//****************************************************************************
//
// Application calls this once to initialize the UI.
//
//****************************************************************************
void
UIInit(void)
{
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-dev-chid");
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground);
WidgetPaint((tWidget *)&g_sBackground);
//
// Initially not connected.
//
g_eState = UI_NOT_CONNECTED;
//
// Not initialized.
//
UIUpdateStatus(UI_STATUS_UPDATE);
}
//*****************************************************************************
//
// Initialize the application interface.
//
//*****************************************************************************
void
UIInit(uint32_t ui32SysClock)
{
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-host-mouse");
//
// Set the font for the application.
//
GrContextFontSet(&g_sContext, g_psFontFixed6x8);
//
// Default to device type not yet updated.
//
g_bTypeUpdated = false;
//
// Initial update of the screen.
//
UIUpdateStatus();
}
//*****************************************************************************
//
// Initialize the application interface.
//
//*****************************************************************************
void
UIInit(uint32_t ui32SysClock)
{
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-host-keyboard");
//
// Set the font for the application.
//
GrContextFontSet(&g_sContext, g_psFontFixed6x8);
//
// Calculate the number of characters that will fit on a line.
// Make sure to leave a small border for the text box.
//
g_ui32CharsPerLine = (GrContextDpyWidthGet(&g_sContext) - 16) /
GrFontMaxWidthGet(g_psFontFixed6x8);
//
// Calculate the number of lines per usable text screen. This requires
// taking off space for the top and bottom banners and adding a small bit
// for a border.
//
g_ui32LinesPerScreen = (GrContextDpyHeightGet(&g_sContext) -
(2*(DISPLAY_BANNER_HEIGHT + 1)) -
BUTTON_HEIGHT) / GrFontHeightGet(g_psFontFixed6x8);
//
// Set up the text scrolling variables.
//
g_ui32CurrentLine = 0;
g_ui32EntryLine = 0;
//
// Draw the initial prompt on the screen.
//
DrawPrompt();
//
// Initial update of the screen.
//
UIUpdateStatus();
}
//*****************************************************************************
//
// Print "Hello World!" to the display on the Intelligent Display Module.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "hello");
//
// Say hello using the Computer Modern 40 point font.
//
GrContextFontSet(&sContext, g_psFontCm40);
GrStringDrawCentered(&sContext, "Hello World!", -1,
GrContextDpyWidthGet(&sContext) / 2,
((GrContextDpyHeightGet(&sContext) - 32) / 2) + 24,
0);
//
// Flush any cached drawing operations.
//
GrFlush(&sContext);
//
// We are finished. Hang around doing nothing.
//
while(1)
{
}
}
//*****************************************************************************
//
// This example decrypts blocks ciphertext using AES128 and AES256 in GCM
// mode. It does the decryption first without uDMA and then with uDMA.
// The results are checked after each operation.
//
//*****************************************************************************
int
main(void)
{
uint32_t pui32PlainText[64], pui32Tag[4], pui32Y0[4], ui32Errors, ui32Idx;
uint32_t *pui32Key, ui32IVLength, *pui32IV, ui32DataLength;
uint32_t *pui32ExpPlainText, ui32AuthDataLength, *pui32AuthData;
uint32_t *pui32CipherText, *pui32ExpTag;
uint32_t ui32KeySize;
uint32_t ui32SysClock;
uint8_t ui8Vector;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "aes-gcm-decrypt");
//
// Show some instructions on the display
//
GrContextFontSet(&sContext, g_psFontCm20);
GrContextForegroundSet(&sContext, ClrWhite);
GrStringDrawCentered(&sContext, "Connect a terminal to", -1,
GrContextDpyWidthGet(&sContext) / 2, 60, false);
GrStringDrawCentered(&sContext, "UART0 (115200,N,8,1)", -1,
GrContextDpyWidthGet(&sContext) / 2, 80, false);
GrStringDrawCentered(&sContext, "for more information.", -1,
GrContextDpyWidthGet(&sContext) / 2, 100, false);
//
// Initialize local variables.
//
ui32Errors = 0;
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32PlainText[ui32Idx] = 0;
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
pui32Tag[ui32Idx] = 0;
}
//
// Enable stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPUStackingEnable();
//
// Enable AES interrupts.
//
ROM_IntEnable(INT_AES0);
//
// Enable debug output on UART0 and print a welcome message.
//
ConfigureUART();
UARTprintf("Starting AES GCM decryption demo.\n");
GrStringDrawCentered(&sContext, "Starting demo...", -1,
GrContextDpyWidthGet(&sContext) / 2, 140, false);
//
// Enable the uDMA module.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
//
// Setup the control table.
//
ROM_uDMAEnable();
ROM_uDMAControlBaseSet(g_psDMAControlTable);
//
// Initialize the CCM and AES modules.
//
if(!AESInit())
{
UARTprintf("Initialization of the AES module failed.\n");
ui32Errors |= 0x00000001;
}
//
// Loop through all the given vectors.
//
for(ui8Vector = 0;
(ui8Vector <
(sizeof(g_psAESGCMTestVectors) / sizeof(g_psAESGCMTestVectors[0]))) &&
(ui32Errors == 0);
ui8Vector++)
{
UARTprintf("Starting vector #%d\n", ui8Vector);
//
// Get the current vector's data members.
//
ui32KeySize = g_psAESGCMTestVectors[ui8Vector].ui32KeySize;
pui32Key = g_psAESGCMTestVectors[ui8Vector].pui32Key;
ui32IVLength = g_psAESGCMTestVectors[ui8Vector].ui32IVLength;
pui32IV = g_psAESGCMTestVectors[ui8Vector].pui32IV;
ui32DataLength = g_psAESGCMTestVectors[ui8Vector].ui32DataLength;
pui32ExpPlainText = g_psAESGCMTestVectors[ui8Vector].pui32PlainText;
ui32AuthDataLength =
g_psAESGCMTestVectors[ui8Vector].ui32AuthDataLength;
pui32AuthData = g_psAESGCMTestVectors[ui8Vector].pui32AuthData;
pui32CipherText = g_psAESGCMTestVectors[ui8Vector].pui32CipherText;
pui32ExpTag = g_psAESGCMTestVectors[ui8Vector].pui32Tag;
//
// If both the data lengths are zero, then it's a special case.
//
if((ui32DataLength == 0) && (ui32AuthDataLength == 0))
{
UARTprintf("Performing decryption without uDMA.\n");
//
// Figure out the value of Y0 depending on the IV length.
//
AESGCMY0Get(ui32KeySize, pui32IV, ui32IVLength, pui32Key, pui32Y0);
//
// Perform the basic encryption.
//
AESECBEncrypt(ui32KeySize, pui32Y0, pui32Tag, pui32Key, 16);
}
else
{
//
// Figure out the value of Y0 depending on the IV length.
//
AESGCMY0Get(ui32KeySize, pui32IV, ui32IVLength, pui32Key, pui32Y0);
//
// Perform the decryption without uDMA.
//
UARTprintf("Performing decryption without uDMA.\n");
AESGCMDecrypt(ui32KeySize, pui32CipherText, pui32PlainText,
ui32DataLength, pui32Key, pui32Y0, pui32AuthData,
ui32AuthDataLength, pui32Tag, false);
}
//
// Check the results.
//
for(ui32Idx = 0; ui32Idx < (ui32DataLength / 4); ui32Idx++)
{
if(pui32ExpPlainText[ui32Idx] != pui32PlainText[ui32Idx])
{
UARTprintf("Plaintext mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui32ExpPlainText[ui32Idx],
pui32PlainText[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000002;
}
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
if(pui32ExpTag[ui32Idx] != pui32Tag[ui32Idx])
{
UARTprintf("Tag mismatch on word %d. Exp: 0x%x, Act: 0x%x\n",
ui32Idx, pui32ExpTag[ui32Idx], pui32Tag[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000003;
}
}
//
// Clear the arrays containing the ciphertext and tag to ensure things
// are working correctly.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32PlainText[ui32Idx] = 0;
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
pui32Tag[ui32Idx] = 0;
}
//
// Only use DMA with the vectors that have data.
//
if((ui32DataLength != 0) || (ui32AuthDataLength != 0))
{
//
// Perform the decryption with uDMA.
//
UARTprintf("Performing decryption with uDMA.\n");
AESGCMDecrypt(ui32KeySize, pui32CipherText, pui32PlainText,
ui32DataLength, pui32Key, pui32Y0, pui32AuthData,
ui32AuthDataLength, pui32Tag, true);
//
// Check the result.
//
for(ui32Idx = 0; ui32Idx < (ui32DataLength / 4); ui32Idx++)
{
if(pui32ExpPlainText[ui32Idx] != pui32PlainText[ui32Idx])
{
UARTprintf("Plaintext mismatch on word %d. Exp: 0x%x, "
"Act: 0x%x\n", ui32Idx,
pui32ExpPlainText[ui32Idx],
pui32PlainText[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000002;
}
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
if(pui32ExpTag[ui32Idx] != pui32Tag[ui32Idx])
{
UARTprintf("Tag mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui32ExpTag[ui32Idx],
pui32Tag[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000003;
}
}
}
}
//
// Finished.
//
if(ui32Errors)
{
UARTprintf("Demo failed with error code 0x%x.\n", ui32Errors);
GrStringDrawCentered(&sContext, "Demo failed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
else
{
UARTprintf("Demo completed successfully.\n");
GrStringDrawCentered(&sContext, "Demo passed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
//
// Wait forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// Main 'C' Language entry point.
//
//*****************************************************************************
int
main(void)
{
float fTemperature, fPressure, fAltitude;
int32_t i32IntegerPart;
int32_t i32FractionPart;
tContext sContext;
uint32_t ui32SysClock;
char pcBuf[15];
//
// Setup the system clock to run at 40 Mhz from PLL with crystal reference
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 40000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "bmp180");
//
// Flush any cached drawing operations.
//
GrFlush(&sContext);
//
// Enable UART0
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
//
// Initialize the UART for console I/O.
//
UARTStdioConfig(0, 115200, ui32SysClock);
//
// Print the welcome message to the terminal.
//
UARTprintf("\033[2JBMP180 Example\n");
//
// The I2C3 peripheral must be enabled before use.
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C3);
//
// Configure the pin muxing for I2C3 functions on port G4 and G5.
// This step is not necessary if your part does not support pin muxing.
//
MAP_GPIOPinConfigure(GPIO_PG4_I2C3SCL);
MAP_GPIOPinConfigure(GPIO_PG5_I2C3SDA);
//
// Select the I2C function for these pins. This function will also
// configure the GPIO pins pins for I2C operation, setting them to
// open-drain operation with weak pull-ups. Consult the data sheet
// to see which functions are allocated per pin.
//
MAP_GPIOPinTypeI2CSCL(GPIO_PORTG_BASE, GPIO_PIN_4);
MAP_GPIOPinTypeI2C(GPIO_PORTG_BASE, GPIO_PIN_5);
//
// Enable interrupts to the processor.
//
MAP_IntMasterEnable();
//
// Initialize I2C3 peripheral.
//
I2CMInit(&g_sI2CInst, I2C3_BASE, INT_I2C3, 0xff, 0xff,
ui32SysClock);
//
// Initialize the BMP180
//
BMP180Init(&g_sBMP180Inst, &g_sI2CInst, BMP180_I2C_ADDRESS,
BMP180AppCallback, &g_sBMP180Inst);
//
// Wait for initialization callback to indicate reset request is complete.
//
while(g_vui8DataFlag == 0)
{
//
// Wait for I2C Transactions to complete.
//
}
//
// Reset the data ready flag
//
g_vui8DataFlag = 0;
//
// Enable the system ticks at 10 hz.
//
MAP_SysTickPeriodSet(ui32SysClock / (10 * 3));
MAP_SysTickIntEnable();
MAP_SysTickEnable();
//
// Configure PQ4 to control the blue LED.
//
MAP_GPIOPinTypeGPIOOutput(GPIO_PORTQ_BASE, GPIO_PIN_4);
//
// Print temperature, pressure and altitude labels once on the LCD.
//
GrStringDraw(&sContext, "Temperature", 11,
((GrContextDpyWidthGet(&sContext) / 2) - 96),
((GrContextDpyHeightGet(&sContext) - 32) / 2) - 24, 1);
GrStringDraw(&sContext, "Pressure", 8,
((GrContextDpyWidthGet(&sContext) / 2) - 63),
(GrContextDpyHeightGet(&sContext) - 32) / 2, 1);
GrStringDraw(&sContext, "Altitude", 8,
((GrContextDpyWidthGet(&sContext) / 2) - 59),
((GrContextDpyHeightGet(&sContext) - 32) / 2) + 24, 1);
//
// Begin the data collection and printing. Loop Forever.
//
while(1)
{
//
// Read the data from the BMP180 over I2C. This command starts a
// temperature measurement. Then polls until temperature is ready.
// Then automatically starts a pressure measurement and polls for that
// to complete. When both measurement are complete and in the local
// buffer then the application callback is called from the I2C
// interrupt context. Polling is done on I2C interrupts allowing
// processor to continue doing other tasks as needed.
//
BMP180DataRead(&g_sBMP180Inst, BMP180AppCallback, &g_sBMP180Inst);
while(g_vui8DataFlag == 0)
{
//
// Wait for the new data set to be available.
//
}
//
// Reset the data ready flag.
//
g_vui8DataFlag = 0;
//
// Get a local copy of the latest temperature data in float format.
//
BMP180DataTemperatureGetFloat(&g_sBMP180Inst, &fTemperature);
//
// Convert the floats to an integer part and fraction part for easy
// print.
//
i32IntegerPart = (int32_t) fTemperature;
i32FractionPart =(int32_t) (fTemperature * 1000.0f);
i32FractionPart = i32FractionPart - (i32IntegerPart * 1000);
if(i32FractionPart < 0)
{
i32FractionPart *= -1;
}
//
// Print temperature with three digits of decimal precision to LCD and
// terminal.
//
usnprintf(pcBuf, sizeof(pcBuf), "%03d.%03d ", i32IntegerPart,
i32FractionPart);
GrStringDraw(&sContext, pcBuf, 8,
((GrContextDpyWidthGet(&sContext) / 2) + 16),
((GrContextDpyHeightGet(&sContext) - 32) / 2) - 24, 1);
UARTprintf("Temperature %3d.%03d\t\t", i32IntegerPart,
i32FractionPart);
//
// Get a local copy of the latest air pressure data in float format.
//
BMP180DataPressureGetFloat(&g_sBMP180Inst, &fPressure);
//
// Convert the floats to an integer part and fraction part for easy
// print.
//
i32IntegerPart = (int32_t) fPressure;
i32FractionPart =(int32_t) (fPressure * 1000.0f);
i32FractionPart = i32FractionPart - (i32IntegerPart * 1000);
if(i32FractionPart < 0)
{
i32FractionPart *= -1;
}
//
// Print Pressure with three digits of decimal precision to LCD and
// terminal.
//
usnprintf(pcBuf, sizeof(pcBuf), "%3d.%03d ", i32IntegerPart,
i32FractionPart);
GrStringDraw(&sContext, pcBuf, -1,
((GrContextDpyWidthGet(&sContext) / 2) + 16),
(GrContextDpyHeightGet(&sContext) - 32) / 2, 1);
UARTprintf("Pressure %3d.%03d\t\t", i32IntegerPart, i32FractionPart);
//
// Calculate the altitude.
//
fAltitude = 44330.0f * (1.0f - powf(fPressure / 101325.0f,
1.0f / 5.255f));
//
// Convert the floats to an integer part and fraction part for easy
// print.
//
i32IntegerPart = (int32_t) fAltitude;
i32FractionPart =(int32_t) (fAltitude * 1000.0f);
i32FractionPart = i32FractionPart - (i32IntegerPart * 1000);
if(i32FractionPart < 0)
{
i32FractionPart *= -1;
}
//
// Print altitude with three digits of decimal precision to LCD and
// terminal.
//
usnprintf(pcBuf, sizeof(pcBuf), "%3d.%03d ", i32IntegerPart,
i32FractionPart);
GrStringDraw(&sContext, pcBuf, 8,
((GrContextDpyWidthGet(&sContext) / 2) + 16),
((GrContextDpyHeightGet(&sContext) - 32) / 2) + 24, 1);
UARTprintf("Altitude %3d.%03d", i32IntegerPart, i32FractionPart);
//
// Print new line.
//
UARTprintf("\n");
//
// Delay to keep printing speed reasonable. About 100 milliseconds.
//
MAP_SysCtlDelay(ui32SysClock / (10 * 3));
}
}
//*****************************************************************************
//
// Demonstrate the use of the USB stick update example.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32Count;
uint32_t ui32SysClock;
tContext i16Context;
tRectangle i16Rect;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&i16Context, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&i16Context, "usb-stick-demo");
//
// Fill the top 24 rows of the screen with blue to create the banner.
//
i16Rect.i16XMin = 0;
i16Rect.i16YMin = 0;
i16Rect.i16XMax = GrContextDpyWidthGet(&i16Context) - 1;
i16Rect.i16YMax = 23;
GrContextForegroundSet(&i16Context, ClrDarkBlue);
GrRectFill(&i16Context, &i16Rect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&i16Context, ClrWhite);
GrRectDraw(&i16Context, &i16Rect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&i16Context, g_psFontCm20);
GrStringDrawCentered(&i16Context, "usb-stick-demo", -1,
GrContextDpyWidthGet(&i16Context) / 2, 10, 0);
//
// Indicate what is happening.
//
GrContextFontSet(&i16Context, g_psFontCm24);
GrStringDrawCentered(&i16Context, "Press the SEL button to", -1,
GrContextDpyWidthGet(&i16Context) / 2, 60, 0);
GrStringDrawCentered(&i16Context, "start the USB stick updater", -1,
GrContextDpyWidthGet(&i16Context) / 2, 84, 0);
//
// Flush any cached drawing operations.
//
GrFlush(&i16Context);
//
// Wait for the pullup to take effect or the next loop will exist too soon.
//
ROM_SysCtlDelay(1000);
//
// Wait until the select button has been pressed for ~40ms (in order to
// debounce the press).
//
ui32Count = 0;
while(1)
{
//
// See if the button is pressed.
//
if(ROM_GPIOPinRead(GPIO_PORTP_BASE, GPIO_PIN_1) == 0)
{
//
// Increment the count since the button is pressed.
//
ui32Count++;
//
// If the count has reached 4, then the button has been debounced
// as being pressed.
//
if(ui32Count == 4)
{
break;
}
}
else
{
//
// Reset the count since the button is not pressed.
//
ui32Count = 0;
}
//
// Delay for approximately 10ms.
//
ROM_SysCtlDelay(120000000 / (3 * 100));
}
//
// Wait until the select button has been released for ~40ms (in order to
// debounce the release).
//
ui32Count = 0;
while(1)
{
//
// See if the button is pressed.
//
if(ROM_GPIOPinRead(GPIO_PORTP_BASE, GPIO_PIN_1) != 0)
{
//
// Increment the count since the button is released.
//
ui32Count++;
//
// If the count has reached 4, then the button has been debounced
// as being released.
//
if(ui32Count == 4)
{
break;
}
}
else
{
//
// Reset the count since the button is pressed.
//
ui32Count = 0;
}
//
// Delay for approximately 10ms.
//
ROM_SysCtlDelay(120000000 / (3 * 100));
}
//
// Indicate that the updater is being called.
//
GrStringDrawCentered(&i16Context, "The USB stick updater is now", -1,
GrContextDpyWidthGet(&i16Context) / 2, 140, 0);
GrStringDrawCentered(&i16Context, "waiting for a USB stick", -1,
GrContextDpyWidthGet(&i16Context) / 2, 164, 0);
//
// Flush any cached drawing operations.
//
GrFlush(&i16Context);
//
// Call the updater so that it will search for an update on a memory stick.
//
(*((void (*)(void))(*(uint32_t *)0x2c)))();
//
// The updater should take control, so this should never be reached.
// Just in case, loop forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// This is the main application entry function.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32TxCount, ui32RxCount, ui32Fullness, ui32SysClock, ui32PLLRate;
tRectangle sRect;
char pcBuffer[16];
#ifdef USE_ULPI
uint32_t ui32Setting;
#endif
//
// Set the system clock to run at 120MHz from the PLL.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
#ifdef USE_ULPI
//
// Switch the USB ULPI Pins over.
//
USBULPIPinoutSet();
//
// Enable USB ULPI with high speed support.
//
ui32Setting = USBLIB_FEATURE_ULPI_HS;
USBOTGFeatureSet(0, USBLIB_FEATURE_USBULPI, &ui32Setting);
//
// Setting the PLL frequency to zero tells the USB library to use the
// external USB clock.
//
ui32PLLRate = 0;
#else
//
// Save the PLL rate used by this application.
//
ui32PLLRate = 480000000;
#endif
//
// Enable the system tick.
//
ROM_SysTickPeriodSet(ui32SysClock / TICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Not configured initially.
//
g_ui32Flags = 0;
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-dev-serial");
//
// Fill the top 15 rows of the screen with blue to create the banner.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.i16YMax = 23;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Show the various static text elements on the color STN display.
//
GrContextFontSet(&g_sContext, TEXT_FONT);
GrStringDraw(&g_sContext, "Tx bytes:", -1, 8, 80, false);
GrStringDraw(&g_sContext, "Tx buffer:", -1, 8, 105, false);
GrStringDraw(&g_sContext, "Rx bytes:", -1, 8, 160, false);
GrStringDraw(&g_sContext, "Rx buffer:", -1, 8, 185, false);
DrawBufferMeter(&g_sContext, 150, 105);
DrawBufferMeter(&g_sContext, 150, 185);
//
// Enable the UART that we will be redirecting.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
//
// Change the UART clock to the 16 MHz PIOSC.
//
UARTClockSourceSet(UART0_BASE, UART_CLOCK_PIOSC);
//
// Set the default UART configuration.
//
ROM_UARTConfigSetExpClk(UART0_BASE, UART_CLOCK,
DEFAULT_BIT_RATE, DEFAULT_UART_CONFIG);
ROM_UARTFIFOLevelSet(UART0_BASE, UART_FIFO_TX4_8, UART_FIFO_RX4_8);
//
// Configure and enable UART interrupts.
//
ROM_UARTIntClear(UART0_BASE, ROM_UARTIntStatus(UART0_BASE, false));
ROM_UARTIntEnable(UART0_BASE, (UART_INT_OE | UART_INT_BE | UART_INT_PE |
UART_INT_FE | UART_INT_RT | UART_INT_TX | UART_INT_RX));
//
// Tell the user what we are up to.
//
DisplayStatus(&g_sContext, " Configuring USB... ");
//
// Initialize the transmit and receive buffers.
//
USBBufferInit(&g_sTxBuffer);
USBBufferInit(&g_sRxBuffer);
//
// Set the USB stack mode to Device mode with VBUS monitoring.
//
USBStackModeSet(0, eUSBModeDevice, 0);
//
// Tell the USB library the CPU clock and the PLL frequency. This is a
// new requirement for TM4C129 devices.
//
USBDCDFeatureSet(0, USBLIB_FEATURE_CPUCLK, &ui32SysClock);
USBDCDFeatureSet(0, USBLIB_FEATURE_USBPLL, &ui32PLLRate);
//
// Pass our device information to the USB library and place the device
// on the bus.
//
USBDCDCInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
//
// Wait for initial configuration to complete.
//
DisplayStatus(&g_sContext, " Waiting for host... ");
//
// Clear our local byte counters.
//
ui32RxCount = 0;
ui32TxCount = 0;
g_ui32UARTTxCount = 0;
g_ui32UARTRxCount = 0;
#ifdef DEBUG
g_ui32UARTRxErrors = 0;
#endif
//
// Enable interrupts now that the application is ready to start.
//
ROM_IntEnable(INT_UART0);
//
// Main application loop.
//
while(1)
{
//
// Have we been asked to update the status display?
//
if(HWREGBITW(&g_ui32Flags, FLAG_STATUS_UPDATE))
{
//
// Clear the command flag
//
HWREGBITW(&g_ui32Flags, FLAG_STATUS_UPDATE) = 0;
DisplayStatus(&g_sContext, g_pcStatus);
}
//
// Has there been any transmit traffic since we last checked?
//
if(ui32TxCount != g_ui32UARTTxCount)
{
//
// Take a snapshot of the latest transmit count.
//
ui32TxCount = g_ui32UARTTxCount;
//
// Update the display of bytes transmitted by the UART.
//
usnprintf(pcBuffer, 16, "%d ", ui32TxCount);
GrStringDraw(&g_sContext, pcBuffer, -1, 150, 80, true);
//
// Update the RX buffer fullness. Remember that the buffers are
// named relative to the USB whereas the status display is from
// the UART's perspective. The USB's receive buffer is the UART's
// transmit buffer.
//
ui32Fullness = ((USBBufferDataAvailable(&g_sRxBuffer) * 100) /
UART_BUFFER_SIZE);
UpdateBufferMeter(&g_sContext, ui32Fullness, 150, 105);
}
//
// Has there been any receive traffic since we last checked?
//
if(ui32RxCount != g_ui32UARTRxCount)
{
//
// Take a snapshot of the latest receive count.
//
ui32RxCount = g_ui32UARTRxCount;
//
// Update the display of bytes received by the UART.
//
usnprintf(pcBuffer, 16, "%d ", ui32RxCount);
GrStringDraw(&g_sContext, pcBuffer, -1, 150, 160, true);
//
// Update the TX buffer fullness. Remember that the buffers are
// named relative to the USB whereas the status display is from
// the UART's perspective. The USB's transmit buffer is the UART's
// receive buffer.
//
ui32Fullness = ((USBBufferDataAvailable(&g_sTxBuffer) * 100) /
UART_BUFFER_SIZE);
UpdateBufferMeter(&g_sContext, ui32Fullness, 150, 185);
}
}
}
//*****************************************************************************
//
// This example demonstrates how to send a string of data to the UART.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "ble-btool");
//
// PJ0, 1, 4, 5 are used for UART3.
//
ROM_GPIOPinConfigure(GPIO_PJ0_U3RX);
ROM_GPIOPinConfigure(GPIO_PJ1_U3TX);
ROM_GPIOPinConfigure(GPIO_PJ4_U3RTS);
ROM_GPIOPinConfigure(GPIO_PJ5_U3CTS);
ROM_GPIOPinTypeUART(GPIO_PORTJ_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
//
// Display UART configuration on the display.
//
GrStringDraw(&sContext, "Use BTool on PC", -1, 70, 40, 0);
GrStringDraw(&sContext, "Port:", -1, 70, 70, 0);
GrStringDraw(&sContext, "Baud:", -1, 70, 95, 0);
GrStringDraw(&sContext, "Data:", -1, 70, 120, 0);
GrStringDraw(&sContext, "Parity:", -1, 70, 145, 0);
GrStringDraw(&sContext, "Stop:", -1, 70, 170, 0);
GrStringDraw(&sContext, "Flow:", -1, 70, 195, 0);
GrStringDraw(&sContext, "Uart 0", -1, 150, 70, 0);
GrStringDraw(&sContext, "115,200 bps", -1, 150, 95, 0);
GrStringDraw(&sContext, "8 Bit", -1, 150, 120, 0);
GrStringDraw(&sContext, "None", -1, 150, 145, 0);
GrStringDraw(&sContext, "1 Bit", -1, 150, 170, 0);
GrStringDraw(&sContext, "CTS/RTS", -1, 150, 195, 0);
//
// Enable the (non-GPIO) peripherals used by this example. PinoutSet()
// already enabled GPIO Port A.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART3);
//
// Enable processor interrupts.
//
IntMasterEnable();
//
// Configure the UART0 for 115,200, 8-N-1 operation.
//
ROM_UARTConfigSetExpClk(UART0_BASE, ui32SysClock, 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//
// Configure the UART3 for 115,200, 8-N-1 operation.
//
ROM_UARTConfigSetExpClk(UART3_BASE, ui32SysClock, 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//
// Configure the UART3 with flow control.
//
UARTFlowControlSet(UART3_BASE, UART_FLOWCONTROL_TX | UART_FLOWCONTROL_RX);
//
// Enable the UART interrupt.
//
ROM_IntEnable(INT_UART0);
ROM_IntEnable(INT_UART3);
ROM_UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT);
ROM_UARTIntEnable(UART3_BASE, UART_INT_RX | UART_INT_RT);
//
// Loop forever passing data between UART0 and UART3.
//
while(1)
{
}
}
//*****************************************************************************
//
// This example decrypts a block of payload using AES128 in CCM mode. It
// does the decryption first without uDMA and then with uDMA. The results
// are checked after each operation.
//
//*****************************************************************************
int
main(void)
{
uint32_t pui32Payload[16], pui32Tag[4], ui32Errors, ui32Idx;
uint32_t ui32PayloadLength, ui32TagLength;
uint32_t ui32NonceLength, ui32AuthDataLength;
uint32_t *pui32Nonce, *pui32AuthData, ui32SysClock;
uint32_t *pui32Key, *pui32ExpPayload, *pui32CipherText;
uint8_t ui8Vector;
uint8_t *pui8ExpTag, *pui8Tag;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "aes128-ccm-decrypt");
//
// Show some instructions on the display
//
GrContextFontSet(&sContext, g_psFontCm20);
GrContextForegroundSet(&sContext, ClrWhite);
GrStringDrawCentered(&sContext, "Connect a terminal to", -1,
GrContextDpyWidthGet(&sContext) / 2, 60, false);
GrStringDrawCentered(&sContext, "UART0 (115200,N,8,1)", -1,
GrContextDpyWidthGet(&sContext) / 2, 80, false);
GrStringDrawCentered(&sContext, "for more information.", -1,
GrContextDpyWidthGet(&sContext) / 2, 100, false);
//
// Initialize local variables.
//
ui32Errors = 0;
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32Payload[ui32Idx] = 0;
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
pui32Tag[ui32Idx] = 0;
}
pui8Tag = (uint8_t *)pui32Tag;
//
// Enable stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPUStackingEnable();
//
// Configure the system clock to run off the internal 16MHz oscillator.
//
ROM_SysCtlClockFreqSet(SYSCTL_OSC_INT | SYSCTL_USE_OSC, 16000000);
//
// Enable AES interrupts.
//
ROM_IntEnable(INT_AES0);
//
// Enable debug output on UART0 and print a welcome message.
//
ConfigureUART();
UARTprintf("Starting AES128 CCM decryption demo.\n");
GrStringDrawCentered(&sContext, "Starting demo...", -1,
GrContextDpyWidthGet(&sContext) / 2, 140, false);
//
// Enable the uDMA module.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
//
// Setup the control table.
//
ROM_uDMAEnable();
ROM_uDMAControlBaseSet(g_psDMAControlTable);
//
// Initialize the CCM and AES modules.
//
if(!AESInit())
{
UARTprintf("Initialization of the AES module failed.\n");
ui32Errors |= 0x00000001;
}
//
// Loop through all the given vectors.
//
for(ui8Vector = 0;
(ui8Vector <
(sizeof(g_psAESCCMTestVectors) / sizeof(g_psAESCCMTestVectors[0]))) &&
(ui32Errors == 0);
ui8Vector++)
{
UARTprintf("Starting vector #%d\n", ui8Vector);
//
// Get the current vector's data members.
//
pui32Key = g_psAESCCMTestVectors[ui8Vector].pui32Key;
pui32ExpPayload = g_psAESCCMTestVectors[ui8Vector].pui32Payload;
ui32PayloadLength =
g_psAESCCMTestVectors[ui8Vector].ui32PayloadLength;
pui32AuthData = g_psAESCCMTestVectors[ui8Vector].pui32AuthData;
ui32AuthDataLength =
g_psAESCCMTestVectors[ui8Vector].ui32AuthDataLength;
pui32CipherText =
g_psAESCCMTestVectors[ui8Vector].pui32CipherText;
pui8ExpTag = (uint8_t *)g_psAESCCMTestVectors[ui8Vector].pui32Tag;
ui32TagLength = g_psAESCCMTestVectors[ui8Vector].ui32TagLength;
pui32Nonce = g_psAESCCMTestVectors[ui8Vector].pui32Nonce;
ui32NonceLength =
g_psAESCCMTestVectors[ui8Vector].ui32NonceLength;
//
// Perform the decryption without uDMA.
//
UARTprintf("Performing decryption without uDMA.\n");
AES128CCMDecrypt(pui32Key, pui32CipherText, pui32Payload,
ui32PayloadLength, pui32Nonce, ui32NonceLength,
pui32AuthData, ui32AuthDataLength, pui32Tag,
ui32TagLength, false);
//
// Check the result.
//
for(ui32Idx = 0; ui32Idx < (ui32PayloadLength / 4); ui32Idx++)
{
if(pui32Payload[ui32Idx] != pui32ExpPayload[ui32Idx])
{
UARTprintf("Payload mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui32ExpPayload[ui32Idx],
pui32Payload[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000002;
}
}
for(ui32Idx = 0; ui32Idx < ui32TagLength; ui32Idx++)
{
if(pui8Tag[ui32Idx] != pui8ExpTag[ui32Idx])
{
UARTprintf("Tag mismatch on byte %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui8ExpTag[ui32Idx],
pui8Tag[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000004;
}
}
//
// Clear the array containing the ciphertext.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32Payload[ui32Idx] = 0;
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
pui32Tag[ui32Idx] = 0;
}
//
// Perform the decryption with uDMA.
//
UARTprintf("Performing decryption with uDMA.\n");
AES128CCMDecrypt(pui32Key, pui32CipherText, pui32Payload,
ui32PayloadLength, pui32Nonce, ui32NonceLength,
pui32AuthData, ui32AuthDataLength, pui32Tag,
ui32TagLength, true);
//
// Check the result.
//
for(ui32Idx = 0; ui32Idx < (ui32PayloadLength / 4); ui32Idx++)
{
if(pui32Payload[ui32Idx] != pui32ExpPayload[ui32Idx])
{
UARTprintf("Payload mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui32ExpPayload[ui32Idx],
pui32Payload[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000002;
}
}
for(ui32Idx = 0; ui32Idx < ui32TagLength; ui32Idx++)
{
if(pui8Tag[ui32Idx] != pui8ExpTag[ui32Idx])
{
UARTprintf("Tag mismatch on byte %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, pui8ExpTag[ui32Idx],
pui8Tag[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000004;
}
}
//
// Clear the array containing the ciphertext.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32Payload[ui32Idx] = 0;
}
for(ui32Idx = 0; ui32Idx < 4; ui32Idx++)
{
pui32Tag[ui32Idx] = 0;
}
}
//
// Finished.
//
if(ui32Errors)
{
UARTprintf("Demo failed with error code 0x%x.\n", ui32Errors);
GrStringDrawCentered(&sContext, "Demo failed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
else
{
UARTprintf("Demo completed successfully.\n");
GrStringDrawCentered(&sContext, "Demo passed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
while(1)
{
}
}
//*****************************************************************************
//
// main routine.
//
//*****************************************************************************
int
main(void)
{
tLPMFeature sLPMFeature;
//
// Run from the PLL at 120 MHz.
//
g_ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Configure the UART.
//
UARTStdioConfig(0, 115200, g_ui32SysClock);
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(g_ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-otg-mouse");
//
// Configure USB for OTG operation.
//
USBOTGInit(g_ui32SysClock, ModeCallback);
sLPMFeature.ui32HIRD = 500;
sLPMFeature.ui32Features = USBLIB_FEATURE_LPM_EN |
USBLIB_FEATURE_LPM_RMT_WAKE;
USBHCDFeatureSet(0, USBLIB_FEATURE_LPM, &sLPMFeature);
//
// Initialize the host stack.
//
HostInit();
//
// Initialize the device stack.
//
DeviceInit();
//
// Initialize the USB controller for dual mode operation with a 2ms polling
// rate.
//
USBOTGModeInit(0, 2000, g_pui8HCDPool, HCD_MEMORY_SIZE);
//
// Set the new state so that the screen updates on the first
// pass.
//
g_ui32NewState = 1;
//
// Loop forever.
//
while(1)
{
//
// Tell the OTG library code how much time has passed in milliseconds
// since the last call.
//
USBOTGMain(GetTickms());
//
// Handle deferred state change.
//
if(g_ui32NewState)
{
g_ui32NewState =0;
//
// Update the status area of the screen.
//
ClearMainWindow();
//
// Update the status bar with the new mode.
//
switch(g_iCurrentMode)
{
case eUSBModeHost:
{
UpdateStatus("Host Mode", 0, true);
break;
}
case eUSBModeDevice:
{
UpdateStatus("Device Mode", 0, true);
break;
}
case eUSBModeNone:
{
UpdateStatus("Idle Mode\n", 0, true);
break;
}
default:
{
break;
}
}
}
if(g_iCurrentMode == eUSBModeDevice)
{
DeviceMain();
}
else if(g_iCurrentMode == eUSBModeHost)
{
HostMain();
}
}
}
//*****************************************************************************
//
// A simple application demonstrating use of the boot loader,
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock;
tContext sContext;
tRectangle sRect;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "boot-demo-uart");
//
// Print instructions on the screen.
//
GrStringDrawCentered(&sContext, "Press the screen to start", -1, 160, 108,
false);
GrStringDrawCentered(&sContext, "the update process", -1, 160, 128, false);
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(TSHandler);
//
// Enable the UART that will be used for the firmware update.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
//
// Configure the UART for 115200, 8-N-1.
//
ROM_UARTConfigSetExpClk(UART0_BASE, ui32SysClock, 115200,
(UART_CONFIG_PAR_NONE | UART_CONFIG_STOP_ONE |
UART_CONFIG_WLEN_8));
//
// Enable the UART operation.
//
ROM_UARTEnable(UART0_BASE);
//
// Wait until the screen has been pressed, indicating that the firwmare
// update should begin.
//
while(!g_bFirmwareUpdate)
{
}
//
// Clear the screen.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = 319;
sRect.i16YMax = 239;
GrContextForegroundSet(&sContext, ClrBlack);
GrRectFill(&sContext, &sRect);
//
// Indicate that the firmware update is about to start.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrStringDrawCentered(&sContext, "Update process started...", -1, 160, 98,
false);
GrStringDrawCentered(&sContext, "Using UART0 with", -1, 160, 138, false);
GrStringDrawCentered(&sContext, "115,200 baud, 8-N-1.", -1, 160, 158,
false);
//
// Disable all processor interrupts. Instead of disabling them one at a
// time, a direct write to NVIC is done to disable all peripheral
// interrupts.
//
HWREG(NVIC_DIS0) = 0xffffffff;
HWREG(NVIC_DIS1) = 0xffffffff;
HWREG(NVIC_DIS2) = 0xffffffff;
HWREG(NVIC_DIS3) = 0xffffffff;
HWREG(NVIC_DIS4) = 0xffffffff;
//
// Call the ROM UART boot loader.
//
ROM_UpdateUART();
//
// The boot loader should not return. In the off chance that it does,
// enter a dead loop.
//
while(1)
{
}
}
//*****************************************************************************
//
// Print "Hello World!" to the display on the Intelligent Display Module.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
uint32_t ui32SysClock;
uint32_t i;
uint32_t reg_read;
//
// Run from the PLL at 120 MHz.
//
/*
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_SYSDIV_10 | //Needed for ADC
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
*/
ui32SysClock = SysCtlClockFreqSet(( SYSCTL_SYSDIV_10 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | SYSCTL_XTAL_25MHZ), 120000000);
//
// Configure the device pins.
//
PinoutSet();
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); //OUT 0 L1
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_0); //OUT 1 L0
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_2); //OUT 2 L2
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_3); //OUT 3 L3
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_4); //OUT 4 L4
GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_5); //OUT 5 L5
GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_5); //OUT 6 P5
GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_4); //OUT 7 P4
GPIOPinTypeGPIOInput (GPIO_PORTM_BASE, GPIO_PIN_3); //IN 0 M3
GPIOPinTypeGPIOInput (GPIO_PORTM_BASE, GPIO_PIN_2); //IN 1 M2
GPIOPinTypeGPIOInput (GPIO_PORTM_BASE, GPIO_PIN_1); //IN 2 M1
GPIOPinTypeGPIOInput (GPIO_PORTM_BASE, GPIO_PIN_0); //IN 3 M0
GPIOPinTypeGPIOInput (GPIO_PORTN_BASE, GPIO_PIN_4); //IN 4 N4
GPIOPinTypeGPIOInput (GPIO_PORTA_BASE, GPIO_PIN_7); //IN 5 A7
GPIOPinTypeGPIOInput (GPIO_PORTC_BASE, GPIO_PIN_6); //IN 6 C6
GPIOPinTypeGPIOInput (GPIO_PORTC_BASE, GPIO_PIN_5); //IN 7 C5
//RGB LED
GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_5); //RED N5
GPIOPinTypeGPIOOutput(GPIO_PORTQ_BASE, GPIO_PIN_7); //GREEN Q7
GPIOPinTypeGPIOOutput(GPIO_PORTQ_BASE, GPIO_PIN_4); //BLUE Q4
//Initialize the UART
QUT_UART_Init( ui32SysClock );
//Initialize AIN0
QUT_ADC0_Init();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "FestoTester");
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground);
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
QUT_UART_Send( (uint8_t *)"FestoTester", 11 );
//
// Loop forever, processing widget messages.
//
while(1)
{
//
// Process any messages from or for the widgets.
//
WidgetMessageQueueProcess();
//Turn on RED LED
GPIO_PORTN_DATA_R |= 0x20;
//Check GPIO Inputs
for( i = 0; i < 8; i++ )
{
input_status[i] = 0;
reg_read = qut_get_gpio( i );
if ( reg_read != 0 ){
input_status[i] = INPUT_STATUS_IS_ONE;
}
}
//Read the ADC0
adc0_read = QUT_ADC0_Read();
QUT_UART_Send( (uint8_t *)"\n\radc0_read=", 12 );
QUT_UART_Send_uint32_t( adc0_read );
//Relimit the ADC read from 0 to 4096 into a pixel limit from 0 to 280
num_analog_pixels = (adc0_read * 280 ) / 4096;
//UARTprintf("num_analog_pixels = %4d\r", num_analog_pixels );
//QUT_UART_Send( (uint8_t *)"\rnum_analog_pixels=", 19 );
//QUT_UART_Send_uint32_t( num_analog_pixels );
//qut_delay_secs(1);
//Repaint the screen
WidgetPaint(WIDGET_ROOT);
}
}
//*****************************************************************************
//
// This application performs simple audio synthesis and playback based on the
// keys pressed on the touch screen virtual piano keyboard.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock, ui32OldKey, ui32NewKey;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "synth");
//
// Draw the keys on the virtual piano keyboard.
//
DrawWhiteKeys(&sContext);
DrawBlackKeys(&sContext);
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
TouchScreenCallbackSet(TouchCallback);
//
// Initialize the sound driver.
//
SoundInit(ui32SysClock);
SoundVolumeSet(128);
SoundStart(g_pi16AudioBuffer, AUDIO_SIZE, 64000, SoundCallback);
//
// Default the old and new key to not pressed so that the first key press
// will be properly drawn on the keyboard.
//
ui32OldKey = NUM_WHITE_KEYS + NUM_BLACK_KEYS;
ui32NewKey = NUM_WHITE_KEYS + NUM_BLACK_KEYS;
//
// Loop forever.
//
while(1)
{
//
// See if the first half of the sound buffer needs to be filled.
//
if(HWREGBITW(&g_ui32Flags, FLAG_PING) == 1)
{
//
// Synthesize new audio into the first half of the sound buffer.
//
ui32NewKey = GenerateAudio(g_pi16AudioBuffer, AUDIO_SIZE / 2);
//
// Clear the flag for the first half of the sound buffer.
//
HWREGBITW(&g_ui32Flags, FLAG_PING) = 0;
}
//
// See if the second half of the sound buffer needs to be filled.
//
if(HWREGBITW(&g_ui32Flags, FLAG_PONG) == 1)
{
//
// Synthesize new audio into the second half of the sound buffer.
//
ui32NewKey = GenerateAudio(g_pi16AudioBuffer + (AUDIO_SIZE / 2),
AUDIO_SIZE / 2);
//
// Clear the flag for the second half of the sound buffer.
//
HWREGBITW(&g_ui32Flags, FLAG_PONG) = 0;
}
//
// See if a different key has been pressed.
//
if(ui32OldKey != ui32NewKey)
{
//
// See if the old key was a white key.
//
if(ui32OldKey < NUM_WHITE_KEYS)
{
//
// Redraw the face of the white key so that it no longer shows
// as being pressed.
//
FillWhiteKey(&sContext, ui32OldKey, ClrWhiteKey);
}
//
// See if the old key was a black key.
//
else if(ui32OldKey < (NUM_WHITE_KEYS + NUM_BLACK_KEYS))
{
//
// Redraw the face of the black key so that it no longer shows
// as being pressed.
//
FillBlackKey(&sContext, ui32OldKey - NUM_WHITE_KEYS,
ClrBlackKey);
}
//
// See if the new key is a white key.
//
if(ui32NewKey < NUM_WHITE_KEYS)
{
//
// Redraw the face of the white key so that it is shown as
// being pressed.
//
FillWhiteKey(&sContext, ui32NewKey, ClrPressed);
}
//
// See if the new key is a black key.
//
else if(ui32NewKey < (NUM_WHITE_KEYS + NUM_BLACK_KEYS))
{
//
// Redraw the face of the black key so that it is shown as
// being pressed.
//
FillBlackKey(&sContext, ui32NewKey - NUM_WHITE_KEYS,
ClrPressed);
}
//
// Save the new key as the old key.
//
ui32OldKey = ui32NewKey;
}
}
}
//*****************************************************************************
//
// The main routine
//
//*****************************************************************************
int
main(void)
{
int TypeID;
tTRF79x0TRFMode eCurrentTRF79x0Mode = P2P_PASSIVE_TARGET_MODE;
uint32_t x;
uint16_t ui16MaxSizeRemaining=0;
bool bCheck=STATUS_FAIL;
uint8_t pui8Instructions[]="Instructions:\n "
"You will need a NFC capable device and a NFC boosterpack for "
"this demo\n "
"To use this demo put the phone or tablet within 2 inches of "
"the NFC boosterpack\n "
"Messages sent to the microcontroller will be displayed on "
"the terminal and screen\n "
"Messages can be sent back to the NFC device via the "
"'Echo Tag' button on the pull down menu\n";
//
// Run from the PLL at 120 MHz.
//
g_ui32SysClk = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Select NFC Boosterpack Type
//
g_eRFDaughterType = RF_DAUGHTER_TRF7970ATB;
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the UART for console I/O.
//
UARTStdioConfig(0, 115200, g_ui32SysClk);
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(g_ui32SysClk);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Initialize the Touch Screen Frames and related Animations.
//
ScreenInit();
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "nfc-p2p-demo");
//
// Initialize USER LED to Blue. (May Overlap TriColor LED)
//
ENABLE_LED_PERIPHERAL;
SET_LED_DIRECTION;
//
// Initialize TriColer LED if it exists.
//
if(BOARD_HAS_TRICOLOR_LED)
{
ENABLE_LED_TRICOLOR_RED_PERIPH;
SET_LED_TRICOLOR_RED_DIRECTION;
ENABLE_LED_TRICOLOR_BLUE_PERIPH;
SET_LED_TRICOLOR_BLUE_DIRECTION;
ENABLE_LED_TRICOLOR_GREEN_PERIPH;
SET_LED_TRICOLOR_GREEN_DIRECTION;
}
//
// Initialize the TRF79x0 and SSI.
//
TRF79x0Init();
//
// Initialize Timer0A.
//
Timer0AInit();
//
// Enable First Mode.
//
NFCP2P_init(eCurrentTRF79x0Mode,FREQ_212_KBPS);
//
// Enable Interrupts.
//
IntMasterEnable();
//
// Print a prompt to the console.
//
UARTprintf("\n****************************\n");
UARTprintf("* NFC P2P Demo *\n");
UARTprintf("****************************\n");
//
// Print instructions to the console / screen.
//
UARTprintf((char *)pui8Instructions);
ScreenPayloadWrite(pui8Instructions,sizeof(pui8Instructions),1);
while(1)
{
//
// Update Screen.
//
ScreenPeriodic();
//
// NFC-P2P-Initiator-Statemachine.
//
if(NFCP2P_proccessStateMachine() == NFC_P2P_PROTOCOL_ACTIVATION)
{
if(eCurrentTRF79x0Mode == P2P_INITATIOR_MODE)
{
eCurrentTRF79x0Mode = P2P_PASSIVE_TARGET_MODE;
//Toggle LED's
if(BOARD_HAS_TRICOLOR_LED)
{
TURN_OFF_LED_TRICOLOR_GREEN
TURN_OFF_LED_TRICOLOR_RED;
TURN_ON_LED_TRICOLOR_BLUE
}
}
else if(eCurrentTRF79x0Mode == P2P_PASSIVE_TARGET_MODE)
{
eCurrentTRF79x0Mode = P2P_INITATIOR_MODE;
//
// Toggle LED's.
//
if(BOARD_HAS_TRICOLOR_LED)
{
TURN_OFF_LED_TRICOLOR_BLUE
TURN_ON_LED_TRICOLOR_RED
TURN_ON_LED_TRICOLOR_GREEN
}
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32Read, ui32Write;
//
// Run from the PLL at 120 MHz.
//
g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(g_ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-dev-msc");
//
// Place the static status text on the display.
//
GrStringDrawCentered(&g_sContext, "Status", -1, 160, 58, false);
GrStringDrawCentered(&g_sContext, "Bytes Read", -1, 160, 118, false);
GrStringDrawCentered(&g_sContext, "Bytes Written", -1, 160, 178, false);
GrContextForegroundSet(&g_sContext, ClrGray);
UpdateCount(0, 138);
UpdateCount(0, 198);
//
// Configure SysTick for a 100Hz interrupt. This is to detect idle state
// every 10ms after a state change.
//
ROM_SysTickPeriodSet(g_ui32SysClock / 100);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Configure and enable uDMA
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
SysCtlDelay(10);
ROM_uDMAControlBaseSet(&psDMAControlTable[0]);
ROM_uDMAEnable();
//
// Initialize the idle timeout and reset all flags.
//
g_ui32IdleTimeout = 0;
g_ui32Flags = 0;
//
// Initialize the state to idle.
//
g_eMSCState = MSC_DEV_DISCONNECTED;
//
// Draw the status bar and set it to idle.
//
UpdateStatus("Disconnected");
//
// Enable the USB controller.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0);
//
// Enable the SSI3 used by SPI flash.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_SSI3);
ROM_SysCtlPeripheralReset(SYSCTL_PERIPH_SSI3);
//
// Set the USB stack mode to Device mode with VBUS monitoring.
//
USBStackModeSet(0, eUSBModeDevice, 0);
//
// Pass our device information to the USB library and place the device
// on the bus.
//
USBDMSCInit(0, (tUSBDMSCDevice*)&g_sMSCDevice);
//
// Initialize the SD card, if present. This prevents it from interfering
// with accesses to the SPI flash.
//
disk_initialize(0);
//
// Initialize MX66L51235F Flash memory.
//
MX66L51235FInit(g_ui32SysClock);
//
// Drop into the main loop.
//
ui32Read = g_ui32ReadCount;
ui32Write = g_ui32WriteCount;
while(1)
{
switch(g_eMSCState)
{
case MSC_DEV_READ:
{
//
// Update the screen if necessary.
//
if(g_ui32Flags & FLAG_UPDATE_STATUS)
{
UpdateStatus(" Reading ");
g_ui32Flags &= ~FLAG_UPDATE_STATUS;
}
//
// If there is no activity then return to the idle state.
//
if(g_ui32IdleTimeout == 0)
{
UpdateStatus(" Idle ");
g_eMSCState = MSC_DEV_IDLE;
}
break;
}
case MSC_DEV_WRITE:
{
//
// Update the screen if necessary.
//
if(g_ui32Flags & FLAG_UPDATE_STATUS)
{
UpdateStatus(" Writing ");
g_ui32Flags &= ~FLAG_UPDATE_STATUS;
}
//
// If there is no activity then return to the idle state.
//
if(g_ui32IdleTimeout == 0)
{
UpdateStatus(" Idle ");
g_eMSCState = MSC_DEV_IDLE;
}
break;
}
case MSC_DEV_DISCONNECTED:
{
//
// Update the screen if necessary.
//
if(g_ui32Flags & FLAG_UPDATE_STATUS)
{
UpdateStatus(" Disconnected ");
g_ui32Flags &= ~FLAG_UPDATE_STATUS;
}
break;
}
case MSC_DEV_IDLE:
{
break;
}
default:
{
break;
}
}
//
// Update the read count if it has changed.
//
if(g_ui32ReadCount != ui32Read)
{
ui32Read = g_ui32ReadCount;
UpdateCount(ui32Read, 138);
}
//
// Update the write count if it has changed.
//
if(g_ui32WriteCount != ui32Write)
{
ui32Write = g_ui32WriteCount;
UpdateCount(ui32Write, 198);
}
}
}
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "grlib-demo");
//
// Configure and enable uDMA
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
SysCtlDelay(10);
ROM_uDMAControlBaseSet(&psDMAControlTable[0]);
ROM_uDMAEnable();
//
// Initialize the sound driver.
//
SoundInit(ui32SysClock);
SoundVolumeSet(128);
SoundStart(g_pi16AudioBuffer, AUDIO_SIZE, 64000, SoundCallback);
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit(ui32SysClock);
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the title block and the previous and next buttons to the widget
// tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sPrevious);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sTitle);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sNext);
//
// Add the first panel to the widget tree.
//
g_ui32Panel = 0;
WidgetAdd(WIDGET_ROOT, (tWidget *)g_psPanels);
CanvasTextSet(&g_sTitle, g_pcPanelNames[0]);
//
// Issue the initial paint request to the widgets.
//
WidgetPaint(WIDGET_ROOT);
//
// Loop forever handling widget messages.
//
while(1)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
//
// See if the first half of the sound buffer needs to be filled.
//
if(HWREGBITW(&g_ui32Flags, FLAG_PING) == 1)
{
//
// generate new audio into the first half of the sound buffer.
//
GenerateAudio(g_pi16AudioBuffer, AUDIO_SIZE / 2);
//
// Clear the flag for the first half of the sound buffer.
//
HWREGBITW(&g_ui32Flags, FLAG_PING) = 0;
}
//
// See if the second half of the sound buffer needs to be filled.
//
if(HWREGBITW(&g_ui32Flags, FLAG_PONG) == 1)
{
//
// generate new audio into the second half of the sound buffer.
//
GenerateAudio(g_pi16AudioBuffer + (AUDIO_SIZE / 2),
AUDIO_SIZE / 2);
//
// Clear the flag for the second half of the sound buffer.
//
HWREGBITW(&g_ui32Flags, FLAG_PONG) = 0;
}
}
}
//*****************************************************************************
//
// This example encrypts blocks of plaintext using TDES in CBC mode. It
// does the encryption first without uDMA and then with uDMA. The results
// are checked after each operation.
//
//*****************************************************************************
int
main(void)
{
uint32_t pui32CipherText[16], ui32Errors, ui32Idx, ui32SysClock;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "tdes-cbc-encrypt");
//
// Show some instructions on the display
//
GrContextFontSet(&sContext, g_psFontCm20);
GrContextForegroundSet(&sContext, ClrWhite);
GrStringDrawCentered(&sContext, "Connect a terminal to", -1,
GrContextDpyWidthGet(&sContext) / 2, 60, false);
GrStringDrawCentered(&sContext, "UART0 (115200,N,8,1)", -1,
GrContextDpyWidthGet(&sContext) / 2, 80, false);
GrStringDrawCentered(&sContext, "for more information.", -1,
GrContextDpyWidthGet(&sContext) / 2, 100, false);
//
// Initialize local variables.
//
ui32Errors = 0;
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32CipherText[ui32Idx] = 0;
}
//
// Enable stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPUStackingEnable();
//
// Enable DES interrupts.
//
ROM_IntEnable(INT_DES0);
//
// Enable debug output on UART0 and print a welcome message.
//
ConfigureUART();
UARTprintf("Starting TDES CBC encryption demo.\n");
GrStringDrawCentered(&sContext, "Starting demo...", -1,
GrContextDpyWidthGet(&sContext) / 2, 140, false);
//
// Enable the uDMA module.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
//
// Setup the control table.
//
ROM_uDMAEnable();
ROM_uDMAControlBaseSet(g_psDMAControlTable);
//
// Initialize the CCM and DES modules.
//
if(!DESInit())
{
UARTprintf("Initialization of the DES module failed.\n");
ui32Errors |= 0x00000001;
}
//
// Perform the encryption without uDMA.
//
UARTprintf("Performing encryption without uDMA.\n");
TDESCBCEncrypt(g_pui32TDESPlainText, pui32CipherText, g_pui32TDESKey,
64, g_pui32TDESIV, false);
//
// Check the result.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
if(pui32CipherText[ui32Idx] != g_pui32TDESCipherText[ui32Idx])
{
UARTprintf("Ciphertext mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, g_pui32TDESCipherText[ui32Idx],
pui32CipherText[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000002;
}
}
//
// Clear the array containing the ciphertext.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
pui32CipherText[ui32Idx] = 0;
}
//
// Perform the encryption with uDMA.
//
UARTprintf("Performing encryption with uDMA.\n");
TDESCBCEncrypt(g_pui32TDESPlainText, pui32CipherText, g_pui32TDESKey,
64, g_pui32TDESIV, true);
//
// Check the result.
//
for(ui32Idx = 0; ui32Idx < 16; ui32Idx++)
{
if(pui32CipherText[ui32Idx] != g_pui32TDESCipherText[ui32Idx])
{
UARTprintf("Ciphertext mismatch on word %d. Exp: 0x%x, Act: "
"0x%x\n", ui32Idx, g_pui32TDESCipherText[ui32Idx],
pui32CipherText[ui32Idx]);
ui32Errors |= (ui32Idx << 16) | 0x00000004;
}
}
//
// Finished.
//
if(ui32Errors)
{
UARTprintf("Demo failed with error code 0x%x.\n", ui32Errors);
GrStringDrawCentered(&sContext, "Demo failed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
else
{
UARTprintf("Demo completed successfully.\n");
GrStringDrawCentered(&sContext, "Demo passed.", -1,
GrContextDpyWidthGet(&sContext) / 2, 180, false);
}
while(1)
{
}
}
//*****************************************************************************
//
// The main application loop.
//
//*****************************************************************************
int
main(void)
{
int32_t i32Status, i32Idx;
uint32_t ui32SysClock, ui32PLLRate;
#ifdef USE_ULPI
uint32_t ui32Setting;
#endif
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Set the part pin out appropriately for this device.
//
PinoutSet();
#ifdef USE_ULPI
//
// Switch the USB ULPI Pins over.
//
USBULPIPinoutSet();
//
// Enable USB ULPI with high speed support.
//
ui32Setting = USBLIB_FEATURE_ULPI_HS;
USBOTGFeatureSet(0, USBLIB_FEATURE_USBULPI, &ui32Setting);
//
// Setting the PLL frequency to zero tells the USB library to use the
// external USB clock.
//
ui32PLLRate = 0;
#else
//
// Save the PLL rate used by this application.
//
ui32PLLRate = 480000000;
#endif
//
// Initialize the hub port status.
//
for(i32Idx = 0; i32Idx < NUM_HUB_STATUS; i32Idx++)
{
g_psHubStatus[i32Idx].bConnected = false;
}
//
// Enable Clocking to the USB controller.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0);
//
// Enable Interrupts
//
ROM_IntMasterEnable();
//
// Initialize the USB stack mode and pass in a mode callback.
//
USBStackModeSet(0, eUSBModeHost, 0);
//
// Register the host class drivers.
//
USBHCDRegisterDrivers(0, g_ppHostClassDrivers, g_ui32NumHostClassDrivers);
//
// Open the Keyboard interface.
//
KeyboardOpen();
MSCOpen(ui32SysClock);
//
// Open a hub instance and provide it with the memory required to hold
// configuration descriptors for each attached device.
//
USBHHubOpen(HubCallback);
//
// Initialize the power configuration. This sets the power enable signal
// to be active high and does not enable the power fault.
//
USBHCDPowerConfigInit(0, USBHCD_VBUS_AUTO_HIGH | USBHCD_VBUS_FILTER);
//
// Tell the USB library the CPU clock and the PLL frequency.
//
USBOTGFeatureSet(0, USBLIB_FEATURE_CPUCLK, &ui32SysClock);
USBOTGFeatureSet(0, USBLIB_FEATURE_USBPLL, &ui32PLLRate);
//
// Initialize the USB controller for Host mode.
//
USBHCDInit(0, g_pui8HCDPool, sizeof(g_pui8HCDPool));
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-host-hub");
//
// Calculate the number of characters that will fit on a line.
// Make sure to leave a small border for the text box.
//
g_ui32CharsPerLine = (GrContextDpyWidthGet(&g_sContext) - 16) /
GrFontMaxWidthGet(g_psFontFixed6x8);
//
// Calculate the number of lines per usable text screen. This requires
// taking off space for the top and bottom banners and adding a small bit
// for a border.
//
g_ui32LinesPerScreen = (GrContextDpyHeightGet(&g_sContext) -
(2*(DISPLAY_BANNER_HEIGHT + 1)))/
GrFontHeightGet(g_psFontFixed6x8);
//
// Initial update of the screen.
//
UpdateStatus(0);
UpdateStatus(1);
UpdateStatus(2);
UpdateStatus(3);
g_ui32CmdIdx = 0;
g_ui32CurrentLine = 0;
//
// Initialize the file system.
//
FileInit();
//
// The main loop for the application.
//
while(1)
{
//
// Print a prompt to the console. Show the CWD.
//
WriteString("> ");
//
// Is there a command waiting to be processed?
//
while((g_ui32Flags & FLAG_CMD_READY) == 0)
{
//
// Call the YSB library to let non-interrupt code run.
//
USBHCDMain();
//
// Call the keyboard and mass storage main routines.
//
KeyboardMain();
MSCMain();
}
//
// Pass the line from the user to the command processor.
// It will be parsed and valid commands executed.
//
i32Status = CmdLineProcess(g_pcCmdBuf);
//
// Handle the case of bad command.
//
if(i32Status == CMDLINE_BAD_CMD)
{
WriteString("Bad command!\n");
}
//
// Handle the case of too many arguments.
//
else if(i32Status == CMDLINE_TOO_MANY_ARGS)
{
WriteString("Too many arguments for command processor!\n");
}
//
// Otherwise the command was executed. Print the error
// code if one was returned.
//
else if(i32Status != 0)
{
WriteString("Command returned error code\n");
WriteString((char *)StringFromFresult((FRESULT)i32Status));
WriteString("\n");
}
//
// Reset the command flag and the command index.
//
g_ui32Flags &= ~FLAG_CMD_READY;
g_ui32CmdIdx = 0;
}
}
//*****************************************************************************
//
// The program main function. It performs initialization, then runs
// a command processing loop to read commands from the console.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32DriveTimeout;
uint32_t ui32SysClock;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "usb-host-msc");
//
// Configure SysTick for a 100Hz interrupt.
//
ROM_SysTickPeriodSet(ui32SysClock / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Enable the uDMA controller and set up the control table base.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
ROM_uDMAEnable();
ROM_uDMAControlBaseSet(g_sDMAControlTable);
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground);
//
// Set some initial strings.
//
ListBoxTextAdd(&g_sDirList, "Waiting for device...");
//
// Issue the initial paint request to the widgets then immediately call
// the widget manager to process the paint message. This ensures that the
// display is drawn as quickly as possible and saves the delay we would
// otherwise experience if we processed the paint message after mounting
// and reading the SD card.
//
WidgetPaint(WIDGET_ROOT);
WidgetMessageQueueProcess();
//
// Initially wait for device connection.
//
g_eState = STATE_NO_DEVICE;
//
// Initialize the USB stack for host mode.
//
USBStackModeSet(0, eUSBModeHost, 0);
//
// Register the host class drivers.
//
USBHCDRegisterDrivers(0, g_ppHostClassDrivers, g_ui32NumHostClassDrivers);
//
// Open an instance of the mass storage class driver.
//
g_psMSCInstance = USBHMSCDriveOpen(0, MSCCallback);
//
// Initialize the drive timeout.
//
ui32DriveTimeout = USBMSC_DRIVE_RETRY;
//
// Initialize the power configuration. This sets the power enable signal
// to be active high and does not enable the power fault.
//
USBHCDPowerConfigInit(0, USBHCD_VBUS_AUTO_HIGH | USBHCD_VBUS_FILTER);
//
// Initialize the USB controller for host operation.
//
USBHCDInit(0, g_pHCDPool, HCD_MEMORY_SIZE);
//
// Initialize the file system.
//
FileInit();
//
// Enter an (almost) infinite loop for reading and processing commands from
// the user.
//
while(1)
{
//
// Call the USB stack to keep it running.
//
USBHCDMain();
//
// Process any messages in the widget message queue. This keeps the
// display UI running.
//
WidgetMessageQueueProcess();
switch(g_eState)
{
case STATE_DEVICE_ENUM:
{
//
// Take it easy on the Mass storage device if it is slow to
// start up after connecting.
//
if(USBHMSCDriveReady(g_psMSCInstance) != 0)
{
//
// Wait about 500ms before attempting to check if the
// device is ready again.
//
ROM_SysCtlDelay(ui32SysClock / (3 * 2));
//
// Decrement the retry count.
//
ui32DriveTimeout--;
//
// If the timeout is hit then go to the
// STATE_TIMEOUT_DEVICE state.
//
if(ui32DriveTimeout == 0)
{
g_eState = STATE_TIMEOUT_DEVICE;
}
break;
}
//
// Getting here means the device is ready.
// Reset the CWD to the root directory.
//
g_cCwdBuf[0] = '/';
g_cCwdBuf[1] = 0;
//
// Set the initial directory level to the root
//
g_ui32Level = 0;
//
// Fill the list box with the files and directories found.
//
if(!PopulateFileListBox(true))
{
//
// If there were no errors reported, we are ready for
// MSC operation.
//
g_eState = STATE_DEVICE_READY;
}
//
// Set the Device Present flag.
//
g_ui32Flags = FLAGS_DEVICE_PRESENT;
break;
}
//
// If there is no device then just wait for one.
//
case STATE_NO_DEVICE:
{
if(g_ui32Flags == FLAGS_DEVICE_PRESENT)
{
//
// Empty the list box on the display.
//
ListBoxClear(&g_sDirList);
ListBoxTextAdd(&g_sDirList, "Waiting for device...");
WidgetPaint((tWidget *)&g_sDirList);
//
// Clear the Device Present flag.
//
g_ui32Flags &= ~FLAGS_DEVICE_PRESENT;
}
break;
}
//
// An unknown device was connected.
//
case STATE_UNKNOWN_DEVICE:
{
//
// If this is a new device then change the status.
//
if((g_ui32Flags & FLAGS_DEVICE_PRESENT) == 0)
{
//
// Clear the screen and indicate that an unknown device
// is present.
//
ListBoxClear(&g_sDirList);
ListBoxTextAdd(&g_sDirList, "Unknown device.");
WidgetPaint((tWidget *)&g_sDirList);
}
//
// Set the Device Present flag.
//
g_ui32Flags = FLAGS_DEVICE_PRESENT;
break;
}
//
// The connected mass storage device is not reporting ready.
//
case STATE_TIMEOUT_DEVICE:
{
//
// If this is the first time in this state then print a
// message.
//
if((g_ui32Flags & FLAGS_DEVICE_PRESENT) == 0)
{
//
// Clear the screen and indicate that an unknown device
// is present.
//
ListBoxClear(&g_sDirList);
ListBoxTextAdd(&g_sDirList, "Device Timeout.");
WidgetPaint((tWidget *)&g_sDirList);
}
//
// Set the Device Present flag.
//
g_ui32Flags = FLAGS_DEVICE_PRESENT;
break;
}
//
// Something has caused a power fault.
//
case STATE_POWER_FAULT:
{
break;
}
default:
{
break;
}
}
}
}
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Set graphics library text rendering defaults.
//
GrLibInit(&GRLIB_INIT_STRUCT);
//
// Set the string table and the default language.
//
GrStringTableSet(STRING_TABLE);
//
// Set the default language.
//
ChangeLanguage(GrLangEnUS);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "lang-demo");
//
// Load the static strings from the string table. These strings are
// independent of the language in use but we store them in the string
// table nonetheless since (a) we may be using codepage remapping in
// which case it would be difficult to hardcode them into the app source
// anyway (ASCII or ISO8859-1 text would not render properly with the
// remapped custom font) and (b) even if we're not using codepage remapping,
// we may have generated a custom font from the string table output and
// we want to make sure that all glyphs required by the application are
// present in that font. If we hardcode some text in the application
// source and don't put it in the string table, we run the risk of having
// characters missing in the font.
//
GrStringGet(STR_ENGLISH, g_pcEnglish, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_DEUTSCH, g_pcDeutsch, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ESPANOL, g_pcEspanol, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ITALIANO, g_pcItaliano, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_CHINESE, g_pcChinese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_KOREAN, g_pcKorean, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_JAPANESE, g_pcJapanese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_PLUS, g_pcPlus, 2);
GrStringGet(STR_MINUS, g_pcMinus, 2);
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit(ui32SysClock);
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the title block and the previous and next buttons to the widget
// tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sPrevious);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sTitle);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sNext);
//
// Add the first panel to the widget tree.
//
g_ui32Panel = 0;
WidgetAdd(WIDGET_ROOT, (tWidget *)g_psPanels);
//
// Set the string for the title.
//
CanvasTextSet(&g_sTitle, g_pcTitle);
//
// Issue the initial paint request to the widgets.
//
WidgetPaint(WIDGET_ROOT);
//
// Loop forever, processing widget messages.
//
while(1)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
}
/**
Task for updating the LCD display every 16ms.
*/
Void _task_LCD(UArg arg0, UArg arg1)
{
// create the LCD context
tContext g_sContext;
// initialize LCD driver
Kentec320x240x16_SSD2119Init(120000000);
// initialize graphics context
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
// draw application frame
FrameDraw(&g_sContext, "Festo Station");
uint32_t EventPosted;
DisplayMessage MessageObject;
char StringBuffer[100];
tRectangle ClearRect;
ClearRect.i16XMax = 320;
ClearRect.i16XMin = 0;
ClearRect.i16YMax = 240;
ClearRect.i16YMin = 0;
while(1)
{
EventPosted = Event_pend(DisplayEvents,
Event_Id_NONE,
Event_Id_00,
10);
if (EventPosted & Event_Id_00)
{
if (Mailbox_pend(DisplayMailbox, &MessageObject, BIOS_NO_WAIT))
{
GrContextForegroundSet(&g_sContext, 0x00);
GrRectFill(&g_sContext, &ClearRect);
if (MessageObject.ScreenID == 0)
{
FrameDraw(&g_sContext, "Festo Station - Stopped");
GrStringDraw(&g_sContext, "Press [Up] to start.", -1, 10, 30, 0);
GrStringDraw(&g_sContext, "Press [Down] to stop.", -1, 10, 50, 0);
GrStringDraw(&g_sContext, "Press [Select] to calibrate.", -1, 10, 70, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 1)
{
FrameDraw(&g_sContext, "Festo Station - Running");
sprintf(StringBuffer, "Pieces processed = %d", MessageObject.piecesProcessed);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 30, 0);
sprintf(StringBuffer, "Orange A/R = %d/%d", MessageObject.orangeAccepted, MessageObject.orangeRejected);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 50, 0);
sprintf(StringBuffer, "Black A/R = %d/%d", MessageObject.blackAccepted, MessageObject.blackRejected);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 70, 0);
sprintf(StringBuffer, "Plastic A/R = %d/%d", MessageObject.plasticAccepted, MessageObject.plasticRejected);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 90, 0);
sprintf(StringBuffer, "Metallic Accepted/Rejected = %d/%d", MessageObject.metalAccepted, MessageObject.metalRejected);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 110, 0);
sprintf(StringBuffer, "Pieces processed/min = %.2f [p/min]", (float) 0.01 * MessageObject.piecesProcessedPerSecond);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 130, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 2)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
GrStringDraw(&g_sContext, "Initializing Calibration...", -1, 10, 30, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 3)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
//Body
GrStringDraw(&g_sContext, "Put the standard piece on platform and", -1, 10, 30, 0);
GrStringDraw(&g_sContext, "press [Select].", -1, 10, 50, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 4)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
//Body
GrStringDraw(&g_sContext, "Set the height using [Up] and [Down].", -1, 10, 30, 0);
GrStringDraw(&g_sContext, "When finished, press [Select].", -1, 10, 50, 0);
sprintf(StringBuffer, "Height = %.2f [mm]", (float) MessageObject.heightCalibrated / 10.0);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 120, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 5)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
//Body
GrStringDraw(&g_sContext, "Set the upper limit using [Up] and", -1, 10, 30, 0);
GrStringDraw(&g_sContext, "[Down]. When finished, press [Select].", -1, 10, 50, 0);
sprintf(StringBuffer, "Upper Limit = %.2f [mm]", (float) MessageObject.upperHeightCalibrated / 10.0);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 120, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 6)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
//Body
GrStringDraw(&g_sContext, "Set the lower limit using [Up] and", -1, 10, 30, 0);
GrStringDraw(&g_sContext, "[Down]. When finished, press [Select].", -1, 10, 50, 0);
sprintf(StringBuffer, "Lower Limit = %.2f [mm]", (float) MessageObject.lowerHeightCalibrated / 10.0);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 120, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
if (MessageObject.ScreenID == 7)
{
FrameDraw(&g_sContext, "Festo Station - Calibration");
// Body
GrStringDraw(&g_sContext, "The Festo Station is calibrated!", -1, 10, 30, 0);
//Footer
sprintf(StringBuffer, "Uptime: %d [s]", MessageObject.uptimeSeconds);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 180, 0);
sprintf(StringBuffer, "Time: %s", MessageObject.timeString);
GrStringDraw(&g_sContext, StringBuffer, -1, 10, 200, 0);
}
}
}
Task_sleep(16);
}
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
int
main(void)
{
uint8_t ui8ButtonsChanged, ui8Buttons;
uint32_t ui32SysClock;
//
// Set the clocking to run from the PLL at 120MHz
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_25MHZ |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Configure the buttons driver.
//
ButtonsInit(ALL_BUTTONS);
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-dev-gamepad");
//
// Default status is disconnected.
//
DisplayStatus(&g_sContext, "Disconnected");
//
// Not configured initially.
//
g_iGamepadState = eStateNotConfigured;
//
// Initialize the USB stack for device mode.
//
USBStackModeSet(0, eUSBModeDevice, 0);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDHIDGamepadInit(0, &g_sGamepadDevice);
//
// Zero out the initial report.
//
g_sReport.ui8Buttons = 0;
g_sReport.i8XPos = 0;
g_sReport.i8YPos = 0;
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(TSHandler);
//
// The main loop starts here. We begin by waiting for a host connection
// then drop into the main gamepad handling section. If the host
// disconnects, we return to the top and wait for a new connection.
//
while(1)
{
//
// Wait here until USB device is connected to a host.
//
if(g_iGamepadState == eStateIdle)
{
//
// See if the buttons updated.
//
ButtonsPoll(&ui8ButtonsChanged, &ui8Buttons);
g_sReport.ui8Buttons = 0;
//
// Set button 1 if up button pressed.
//
if(ui8Buttons & UP_BUTTON)
{
g_sReport.ui8Buttons |= 0x01;
}
//
// Set button 2 if down button pressed.
//
if(ui8Buttons & DOWN_BUTTON)
{
g_sReport.ui8Buttons |= 0x02;
}
//
// Set button 3 if select button pressed.
//
if(ui8Buttons & SELECT_BUTTON)
{
g_sReport.ui8Buttons |= 0x04;
}
if(ui8ButtonsChanged)
{
g_bUpdate = true;
}
//
// Send the report if there was an update.
//
if(g_bUpdate)
{
g_bUpdate = false;
USBDHIDGamepadSendReport(&g_sGamepadDevice, &g_sReport,
sizeof(g_sReport));
//
// Now sending data but protect this from an interrupt since
// it can change in interrupt context as well.
//
IntMasterDisable();
g_iGamepadState = eStateSending;
IntMasterEnable();
}
}
}
}
//*****************************************************************************
//
// Handle the touch screen movements.
//
//*****************************************************************************
void
HandleMovement(void)
{
uint32_t ui32NewIdx;
if(g_sSwipe.eMovement != iSwipeNone) {
switch(g_sSwipe.eMovement) {
case iSwipeUp: {
ui32NewIdx = g_sScreens[g_i32ScreenIdx].ui32Up;
break;
}
case iSwipeDown: {
ui32NewIdx = g_sScreens[g_i32ScreenIdx].ui32Down;
break;
}
case iSwipeRight: {
ui32NewIdx = g_sScreens[g_i32ScreenIdx].ui32Left;
break;
}
case iSwipeLeft: {
ui32NewIdx = g_sScreens[g_i32ScreenIdx].ui32Right;
break;
}
default: {
ui32NewIdx = g_i32ScreenIdx;
break;
}
}
//
// Check if the panel has changed.
//
if(ui32NewIdx != g_i32ScreenIdx) {
//
// Remove the current widget.
//
WidgetRemove(g_sScreens[g_i32ScreenIdx].psWidget);
WidgetAdd(WIDGET_ROOT, g_sScreens[ui32NewIdx].psWidget);
g_i32ScreenIdx = ui32NewIdx;
//
// Screen switched so disable the overlay buttons.
//
ButtonsDisable();
if(g_i32ScreenIdx == SCREEN_SUMMARY) {
//
// Update the frame.
//
FrameDraw(&g_sContext, "nfc-p2p-demo : Summary");
//
// Animate the panel switch.
//
AnimatePanel(TI_BLACK);
AnimateButtons(true);
} else if(g_i32ScreenIdx == SCREEN_DETAILS) {
//
// Update the frame.
//
FrameDraw(&g_sContext, "nfc-p2p-demo : Details");
//
// Animate the panel switch.
//
AnimatePanel(TI_BLACK);
AnimateButtons(true);
} else if(g_i32ScreenIdx == SCREEN_TI) {
//
// Update the frame.
//
FrameDraw(&g_sContext, "nfc-p2p-demo : TI");
//
// Animate the panel switch.
//
AnimatePanel(TI_GRAY);
//
// Animate the pull up tab once.
//
AnimateButtons(true);
}
}
g_sSwipe.eMovement = iSwipeNone;
}
}
//*****************************************************************************
//
// This is the main example program. It checks to see that the interrupts are
// processed in the correct order when they have identical priorities,
// increasing priorities, and decreasing priorities. This exercises interrupt
// preemption and tail chaining.
//
//*****************************************************************************
int
main(void)
{
uint_fast8_t ui8Error;
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "interrupts");
//
// Put the status header text on the display.
//
GrContextFontSet(&g_sContext, g_psFontCm20);
GrStringDrawCentered(&g_sContext, "Active: Pending: ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 150, 0);
//
// Configure the B3, L1 and L0 to be outputs to indicate entry/exit of one
// of the interrupt handlers.
//
GPIOPinTypeGPIOOutput(GPIO_A_BASE, GPIO_A_PIN);
GPIOPinTypeGPIOOutput(GPIO_B_BASE, GPIO_B_PIN);
GPIOPinTypeGPIOOutput(GPIO_C_BASE, GPIO_C_PIN);
GPIOPinWrite(GPIO_A_BASE, GPIO_A_PIN, 0);
GPIOPinWrite(GPIO_B_BASE, GPIO_B_PIN, 0);
GPIOPinWrite(GPIO_C_BASE, GPIO_C_PIN, 0);
//
// Set up and enable the SysTick timer. It will be used as a reference
// for delay loops in the interrupt handlers. The SysTick timer period
// will be set up for 100 times per second.
//
ROM_SysTickPeriodSet(ui32SysClock / 100);
ROM_SysTickEnable();
//
// Reset the error indicator.
//
ui8Error = 0;
//
// Enable interrupts to the processor.
//
ROM_IntMasterEnable();
//
// Enable the interrupts.
//
ROM_IntEnable(INT_GPIOA);
ROM_IntEnable(INT_GPIOB);
ROM_IntEnable(INT_GPIOC);
//
// Indicate that the equal interrupt priority test is beginning.
//
GrStringDrawCentered(&g_sContext, "Equal Priority", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 60, 1);
//
// Set the interrupt priorities so they are all equal.
//
ROM_IntPrioritySet(INT_GPIOA, 0x00);
ROM_IntPrioritySet(INT_GPIOB, 0x00);
ROM_IntPrioritySet(INT_GPIOC, 0x00);
//
// Reset the interrupt flags.
//
g_ui32GPIOa = 0;
g_ui32GPIOb = 0;
g_ui32GPIOc = 0;
g_ui32Index = 1;
//
// Trigger the interrupt for GPIO C.
//
HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;
//
// Put the current interrupt state on the LCD.
//
DisplayIntStatus();
//
// Verify that the interrupts were processed in the correct order.
//
if((g_ui32GPIOa != 3) || (g_ui32GPIOb != 2) || (g_ui32GPIOc != 1))
{
ui8Error |= 1;
}
//
// Wait two seconds.
//
Delay(2);
//
// Indicate that the decreasing interrupt priority test is beginning.
//
GrStringDrawCentered(&g_sContext, " Decreasing Priority ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 60, 1);
//
// Set the interrupt priorities so that they are decreasing (i.e. C > B >
// A).
//
ROM_IntPrioritySet(INT_GPIOA, 0x80);
ROM_IntPrioritySet(INT_GPIOB, 0x40);
ROM_IntPrioritySet(INT_GPIOC, 0x00);
//
// Reset the interrupt flags.
//
g_ui32GPIOa = 0;
g_ui32GPIOb = 0;
g_ui32GPIOc = 0;
g_ui32Index = 1;
//
// Trigger the interrupt for GPIO C.
//
HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;
//
// Put the current interrupt state on the display.
//
DisplayIntStatus();
//
// Verify that the interrupts were processed in the correct order.
//
if((g_ui32GPIOa != 3) || (g_ui32GPIOb != 2) || (g_ui32GPIOc != 1))
{
ui8Error |= 2;
}
//
// Wait two seconds.
//
Delay(2);
//
// Indicate that the increasing interrupt priority test is beginning.
//
GrStringDrawCentered(&g_sContext, " Increasing Priority ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 60, 1);
//
// Set the interrupt priorities so that they are increasing (i.e. C < B <
// A).
//
ROM_IntPrioritySet(INT_GPIOA, 0x00);
ROM_IntPrioritySet(INT_GPIOB, 0x40);
ROM_IntPrioritySet(INT_GPIOC, 0x80);
//
// Reset the interrupt flags.
//
g_ui32GPIOa = 0;
g_ui32GPIOb = 0;
g_ui32GPIOc = 0;
g_ui32Index = 1;
//
// Trigger the interrupt for GPIO C.
//
HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;
//
// Put the current interrupt state on the display.
//
DisplayIntStatus();
//
// Verify that the interrupts were processed in the correct order.
//
if((g_ui32GPIOa != 1) || (g_ui32GPIOb != 2) || (g_ui32GPIOc != 3))
{
ui8Error |= 4;
}
//
// Wait two seconds.
//
Delay(2);
//
// Disable the interrupts.
//
ROM_IntDisable(INT_GPIOA);
ROM_IntDisable(INT_GPIOB);
ROM_IntDisable(INT_GPIOC);
//
// Disable interrupts to the processor.
//
ROM_IntMasterDisable();
//
// Print out the test results.
//
GrStringDrawCentered(&g_sContext, " Interrupt Priority ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 60, 1);
if(ui8Error)
{
GrStringDrawCentered(&g_sContext, " Equal: P Inc: P Dec: P ",
-1, GrContextDpyWidthGet(&g_sContext) / 2, 150, 1);
if(ui8Error & 1)
{
GrStringDrawCentered(&g_sContext, " F ", -1, 113, 150, 1);
}
if(ui8Error & 2)
{
GrStringDrawCentered(&g_sContext, " F ", -1, 187, 150, 1);
}
if(ui8Error & 4)
{
GrStringDrawCentered(&g_sContext, " F ", -1, 272, 150, 1);
}
}
else
{
GrStringDrawCentered(&g_sContext, " Success! ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 150, 1);
}
//
// Flush the display.
//
GrFlush(&g_sContext);
//
// Loop forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// Handles when a key is pressed on the keyboard.
//
//*****************************************************************************
void
KeyEvent(tWidget *psWidget, uint32_t ui32Key, uint32_t ui32Event)
{
switch(ui32Key) {
//
// Look for a backspace key press.
//
case UNICODE_BACKSPACE: {
if(ui32Event == KEYBOARD_EVENT_PRESS) {
if(g_ui32StringIdx != 0) {
g_ui32StringIdx--;
g_pcKeyStr[g_ui32StringIdx] = 0;
}
WidgetPaint((tWidget *)&g_sKeyboardText);
//
// Save the pixel width of the current string.
//
g_i32StringWidth = GrStringWidthGet(&g_sContext, g_pcKeyStr,
40);
}
break;
}
//
// Look for an enter/return key press. This will exit the keyboard and
// return to the current active screen.
//
case UNICODE_RETURN: {
if(ui32Event == KEYBOARD_EVENT_RELEASE) {
//
// Get rid of the keyboard widget.
//
WidgetRemove(g_sScreens[g_i32ScreenIdx].psWidget);
//
// Switch back to the previous screen and add its widget back.
//
g_i32ScreenIdx = g_i32ScreenIdx;
WidgetAdd(WIDGET_ROOT, g_sScreens[g_i32ScreenIdx].psWidget);
//
// If returning to the main screen then re-draw the frame to
// indicate the main screen.
//
if(g_i32ScreenIdx == SCREEN_DETAILS) {
FrameDraw(&g_sContext, "nfc-p2p-demo : Details");
WidgetPaint(g_sScreens[g_i32ScreenIdx].psWidget);
} else if(g_i32ScreenIdx == SCREEN_TI) {
//
// Returning to the settings screen.
//
FrameDraw(&g_sContext, "nfc-p2p-demo : TI");
WidgetPaint(g_sScreens[g_i32ScreenIdx].psWidget);
AnimateButtons(true);
WidgetMessageQueueProcess();
}
//
// Assumed Screen = SCREEN_SUMMARY
//
else {
FrameDraw(&g_sContext, "nfc-p2p-demo : Summary");
WidgetPaint(g_sScreens[g_i32ScreenIdx].psWidget);
}
//
// Enable gestures.
//
g_sSwipe.bEnable = true;
}
break;
}
//
// If the key is not special then update the text string.
//
default: {
if(ui32Event == KEYBOARD_EVENT_PRESS) {
//
// Set the string to the current string to be updated.
//
if(g_ui32StringIdx == 0) {
CanvasTextSet(&g_sKeyboardText, g_pcKeyStr);
}
g_pcKeyStr[g_ui32StringIdx] = (char)ui32Key;
g_ui32StringIdx++;
g_pcKeyStr[g_ui32StringIdx] = 0;
WidgetPaint((tWidget *)&g_sKeyboardText);
//
// Save the pixel width of the current string.
//
g_i32StringWidth = GrStringWidthGet(&g_sContext, g_pcKeyStr,
40);
}
break;
}
}
}
//*****************************************************************************
//
// Performs calibration of the touch screen.
//
//*****************************************************************************
int
main(void)
{
int32_t i32Idx, i32X1, i32Y1, i32X2, i32Y2, i32Count, ppi32Points[3][4];
uint32_t ui32SysClock;
char pcBuffer[32];
tContext sContext;
tRectangle sRect;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "calibrate");
//
// Print the instructions across the middle of the screen in white with a
// 20 point small-caps font.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrContextFontSet(&sContext, g_psFontCmsc20);
GrStringDrawCentered(&sContext, "Touch the box", -1,
GrContextDpyWidthGet(&sContext) / 2,
(GrContextDpyHeightGet(&sContext) / 2) - 10, 0);
//
// Set the points used for calibration based on the size of the screen.
//
ppi32Points[0][0] = GrContextDpyWidthGet(&sContext) / 10;
ppi32Points[0][1] = (GrContextDpyHeightGet(&sContext) * 2) / 10;
ppi32Points[1][0] = GrContextDpyWidthGet(&sContext) / 2;
ppi32Points[1][1] = (GrContextDpyHeightGet(&sContext) * 9) / 10;
ppi32Points[2][0] = (GrContextDpyWidthGet(&sContext) * 9) / 10;
ppi32Points[2][1] = GrContextDpyHeightGet(&sContext) / 2;
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Loop through the calibration points.
//
for(i32Idx = 0; i32Idx < 3; i32Idx++)
{
//
// Fill a white box around the calibration point.
//
GrContextForegroundSet(&sContext, ClrWhite);
sRect.i16XMin = ppi32Points[i32Idx][0] - 5;
sRect.i16YMin = ppi32Points[i32Idx][1] - 5;
sRect.i16XMax = ppi32Points[i32Idx][0] + 5;
sRect.i16YMax = ppi32Points[i32Idx][1] + 5;
GrRectFill(&sContext, &sRect);
//
// Flush any cached drawing operations.
//
GrFlush(&sContext);
//
// Initialize the raw sample accumulators and the sample count.
//
i32X1 = 0;
i32Y1 = 0;
i32Count = -5;
//
// Loop forever. This loop is explicitly broken out of when the pen is
// lifted.
//
while(1)
{
//
// Grab the current raw touch screen position.
//
i32X2 = g_i16TouchX;
i32Y2 = g_i16TouchY;
//
// See if the pen is up or down.
//
if((i32X2 < g_i16TouchMin) || (i32Y2 < g_i16TouchMin))
{
//
// The pen is up, so see if any samples have been accumulated.
//
if(i32Count > 0)
{
//
// The pen has just been lifted from the screen, so break
// out of the controlling while loop.
//
break;
}
//
// Reset the accumulators and sample count.
//
i32X1 = 0;
i32Y1 = 0;
i32Count = -5;
//
// Grab the next sample.
//
continue;
}
//
// Increment the count of samples.
//
i32Count++;
//
// If the sample count is greater than zero, add this sample to the
// accumulators.
//
if(i32Count > 0)
{
i32X1 += i32X2;
i32Y1 += i32Y2;
}
}
//
// Save the averaged raw ADC reading for this calibration point.
//
ppi32Points[i32Idx][2] = i32X1 / i32Count;
ppi32Points[i32Idx][3] = i32Y1 / i32Count;
//
// Erase the box around this calibration point.
//
GrContextForegroundSet(&sContext, ClrBlack);
GrRectFill(&sContext, &sRect);
}
//
// Clear the screen.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = GrContextDpyWidthGet(&sContext) - 1;
sRect.i16YMax = GrContextDpyHeightGet(&sContext) - 1;
GrRectFill(&sContext, &sRect);
//
// Indicate that the calibration data is being displayed.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrStringDraw(&sContext, "Calibration data:", -1, 16, 32, 0);
//
// Compute and display the M0 calibration value.
//
usprintf(pcBuffer, "M0 = %d",
(((ppi32Points[0][0] - ppi32Points[2][0]) *
(ppi32Points[1][3] - ppi32Points[2][3])) -
((ppi32Points[1][0] - ppi32Points[2][0]) *
(ppi32Points[0][3] - ppi32Points[2][3]))));
GrStringDraw(&sContext, pcBuffer, -1, 16, 72, 0);
//
// Compute and display the M1 calibration value.
//
usprintf(pcBuffer, "M1 = %d",
(((ppi32Points[0][2] - ppi32Points[2][2]) *
(ppi32Points[1][0] - ppi32Points[2][0])) -
((ppi32Points[0][0] - ppi32Points[2][0]) *
(ppi32Points[1][2] - ppi32Points[2][2]))));
GrStringDraw(&sContext, pcBuffer, -1, 16, 92, 0);
//
// Compute and display the M2 calibration value.
//
usprintf(pcBuffer, "M2 = %d",
((((ppi32Points[2][2] * ppi32Points[1][0]) -
(ppi32Points[1][2] * ppi32Points[2][0])) * ppi32Points[0][3]) +
(((ppi32Points[0][2] * ppi32Points[2][0]) -
(ppi32Points[2][2] * ppi32Points[0][0])) * ppi32Points[1][3]) +
(((ppi32Points[1][2] * ppi32Points[0][0]) -
(ppi32Points[0][2] * ppi32Points[1][0])) * ppi32Points[2][3])));
GrStringDraw(&sContext, pcBuffer, -1, 16, 112, 0);
//
// Compute and display the M3 calibration value.
//
usprintf(pcBuffer, "M3 = %d",
(((ppi32Points[0][1] - ppi32Points[2][1]) *
(ppi32Points[1][3] - ppi32Points[2][3])) -
((ppi32Points[1][1] - ppi32Points[2][1]) *
(ppi32Points[0][3] - ppi32Points[2][3]))));
GrStringDraw(&sContext, pcBuffer, -1, 16, 132, 0);
//
// Compute and display the M4 calibration value.
//
usprintf(pcBuffer, "M4 = %d",
(((ppi32Points[0][2] - ppi32Points[2][2]) *
(ppi32Points[1][1] - ppi32Points[2][1])) -
((ppi32Points[0][1] - ppi32Points[2][1]) *
(ppi32Points[1][2] - ppi32Points[2][2]))));
GrStringDraw(&sContext, pcBuffer, -1, 16, 152, 0);
//
// Compute and display the M5 calibration value.
//
usprintf(pcBuffer, "M5 = %d",
((((ppi32Points[2][2] * ppi32Points[1][1]) -
(ppi32Points[1][2] * ppi32Points[2][1])) * ppi32Points[0][3]) +
(((ppi32Points[0][2] * ppi32Points[2][1]) -
(ppi32Points[2][2] * ppi32Points[0][1])) * ppi32Points[1][3]) +
(((ppi32Points[1][2] * ppi32Points[0][1]) -
(ppi32Points[0][2] * ppi32Points[1][1])) * ppi32Points[2][3])));
GrStringDraw(&sContext, pcBuffer, -1, 16, 172, 0);
//
// Compute and display the M6 calibration value.
//
usprintf(pcBuffer, "M6 = %d",
(((ppi32Points[0][2] - ppi32Points[2][2]) *
(ppi32Points[1][3] - ppi32Points[2][3])) -
((ppi32Points[1][2] - ppi32Points[2][2]) *
(ppi32Points[0][3] - ppi32Points[2][3]))));
GrStringDraw(&sContext, pcBuffer, -1, 16, 192, 0);
//
// Flush any cached drawing operations.
//
GrFlush(&sContext);
//
// The calibration is complete. Sit around and wait for a reset.
//
while(1)
{
}
}
//*****************************************************************************
//
// This example demonstrates how to send a string of data to the UART.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock;
tContext sContext;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "uart-echo");
//
// Display UART configuration on the display.
//
GrStringDraw(&sContext, "Port:", -1, 70, 70, 0);
GrStringDraw(&sContext, "Baud:", -1, 70, 95, 0);
GrStringDraw(&sContext, "Data:", -1, 70, 120, 0);
GrStringDraw(&sContext, "Parity:", -1, 70, 145, 0);
GrStringDraw(&sContext, "Stop:", -1, 70, 170, 0);
GrStringDraw(&sContext, "Uart 0", -1, 150, 70, 0);
GrStringDraw(&sContext, "115,200 bps", -1, 150, 95, 0);
GrStringDraw(&sContext, "8 Bit", -1, 150, 120, 0);
GrStringDraw(&sContext, "None", -1, 150, 145, 0);
GrStringDraw(&sContext, "1 Bit", -1, 150, 170, 0);
//
// Enable the (non-GPIO) peripherals used by this example. PinoutSet()
// already enabled GPIO Port A.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
//
// Enable processor interrupts.
//
IntMasterEnable();
//
// Configure the UART for 115,200, 8-N-1 operation.
//
ROM_UARTConfigSetExpClk(UART0_BASE, ui32SysClock, 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//
// Enable the UART interrupt.
//
ROM_IntEnable(INT_UART0);
ROM_UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT);
//
// Prompt for text to be entered.
//
UARTSend((uint8_t *)"Enter text: ", 12);
//
// Loop forever echoing data through the UART.
//
while(1)
{
}
}
//*****************************************************************************
//
// This example demonstrates the use of both watchdog timers.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "watchdog");
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
TouchScreenCallbackSet(WatchdogTouchCallback);
//
// Reconfigure PF1 as a GPIO output so that it can be directly driven
// (instead of being an Ethernet LED).
//
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_1);
ROM_GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_1, 0);
//
// Show the state and offer some instructions to the user.
//
GrContextFontSet(&g_sContext, g_psFontCmss20);
GrStringDrawCentered(&g_sContext, "Watchdog 0:", -1, 80, 80, 0);
GrStringDrawCentered(&g_sContext, "Watchdog 1:", -1, 240, 80, 0);
GrContextFontSet(&g_sContext, g_psFontCmss14);
GrStringDrawCentered(&g_sContext,
"Tap the left screen to starve the watchdog 0",
-1, GrContextDpyWidthGet(&g_sContext) / 2 ,
(GrContextDpyHeightGet(&g_sContext) / 2) + 40, 1);
GrStringDrawCentered(&g_sContext,
"Tap the right screen to starve the watchdog 1",
-1, GrContextDpyWidthGet(&g_sContext) / 2 ,
(GrContextDpyHeightGet(&g_sContext) / 2) + 60, 1);
//
// Enable the peripherals used by this example.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_WDOG0);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_WDOG1);
//
// Enable the watchdog interrupt.
//
ROM_IntEnable(INT_WATCHDOG);
//
// Set the period of the watchdog timer.
//
ROM_WatchdogReloadSet(WATCHDOG0_BASE, ui32SysClock);
ROM_WatchdogReloadSet(WATCHDOG1_BASE, 16000000);
//
// Enable reset generation from the watchdog timer.
//
ROM_WatchdogResetEnable(WATCHDOG0_BASE);
ROM_WatchdogResetEnable(WATCHDOG1_BASE);
//
// Enable the watchdog timer.
//
ROM_WatchdogEnable(WATCHDOG0_BASE);
ROM_WatchdogEnable(WATCHDOG1_BASE);
//
// Loop forever while the LED winks as watchdog interrupts are handled.
//
while(1)
{
}
}
//*****************************************************************************
//
// Provides a scribble pad using the display on the Intelligent Display Module.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32SysClock;
//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "scribble");
//
// Print the instructions across the top of the screen in white with a 20
// point san-serif font.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrContextFontSet(&g_sContext, g_psFontCmss20);
GrStringDrawCentered(&g_sContext, "Touch the screen to draw", -1,
GrContextDpyWidthGet(&g_sContext) / 2,
((GrContextDpyHeightGet(&g_sContext) - 32) / 2) + 14,
0);
//
// Flush any cached drawing operations.
//
GrFlush(&g_sContext);
//
// Set the color index to zero.
//
g_ui32ColorIdx = 0;
//
// Initialize the message queue we use to pass messages from the touch
// interrupt handler context to the main loop for processing.
//
RingBufInit(&g_sMsgQueue, (uint8_t *)g_psMsgQueueBuffer,
(MSG_QUEUE_SIZE * sizeof(tScribbleMessage)));
//
// Initialize the touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(TSHandler);
//
// Loop forever. All the drawing is done in the touch screen event
// handler.
//
while(1)
{
//
// Process any new touchscreen messages.
//
ProcessTouchMessages();
}
}