//*****************************************************************************
//
// Provide a simple function so other parts of the application can update
// a status display.
//
//*****************************************************************************
void
SetStatusText(const char *pcTitle, const char *pcLine1, const char *pcLine2,
const char *pcLine3)
{
static const char pcBlankLine[] = " ";
//
// Check to see if each parameter was passed, and if so then update its
// text field on the status dislay.
//
pcTitle = pcTitle ? pcTitle : pcBlankLine;
MenuUpdateText(TEXT_ITEM_STATUS_TITLE, pcTitle);
pcLine1 = pcLine1 ? pcLine1 : pcBlankLine;
MenuUpdateText(TEXT_ITEM_STATUS1, pcLine1);
pcLine2 = pcLine2 ? pcLine2 : pcBlankLine;
MenuUpdateText(TEXT_ITEM_STATUS2, pcLine2);
pcLine3 = pcLine3 ? pcLine3 : pcBlankLine;
MenuUpdateText(TEXT_ITEM_STATUS3, pcLine3);
//
// Force a repaint after all the status text fields have been updated.
//
WidgetPaint(WIDGET_ROOT);
WidgetMessageQueueProcess();
}
//*****************************************************************************
//
// Draw one of the LED widgets in a particular state.
//
//*****************************************************************************
void
UpdateLEDWidget(unsigned long ulLED, tBoolean bOn)
{
tPushButtonWidget *pButton;
//
// Which widget are we dealing with?
//
pButton = (ulLED == 1) ? &g_sLED1 : &g_sLED2;
//
// Turn the LED on or off by setting the background fill color
// appropriately.
//
PushButtonFillColorSet(pButton, g_ulLEDColors[ulLED - 1][bOn]);
PushButtonFillColorPressedSet(pButton, g_ulLEDColors[ulLED - 1][bOn]);
//
// Ensure that the LED is repainted. This will occur on the next call to
// WidgetMessageQueueProcess().
//
WidgetPaint((tWidget *)pButton);
//
// Process the messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
//*****************************************************************************
//
// This function listens for a link request from another SimpliciTI device.
//
//*****************************************************************************
tBoolean
LinkFrom(void)
{
smplStatus_t eRetcode;
unsigned long ulCount;
//
// Tell SimpliciTI to try to link to an access point.
//
for(ulCount = 1; ulCount <= 10; ulCount++)
{
//
// Update the displayed count. Note that we must process the widget
// message queue here to ensure that the change makes it onto the
// display.
//
UpdateStatus(false, "Listening %d (%s)", ulCount,
(ulCount > 1) ? MapSMPLStatus(eRetcode) : "Waiting");
WidgetMessageQueueProcess();
//
// Try to link to the access point.
//
eRetcode = SMPL_LinkListen(&sLinkID);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
}
//
// Did we manage to link to the access point?
//
if(eRetcode == SMPL_SUCCESS)
{
UpdateStatus(false, "Listen successful.");
//
// Turn on RX. Default is off.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
//
// Tell the main loop that we established communication successfully.
//
return(true);
}
else
{
UpdateStatus(false, "No link request received.");
//
// Tell the main loop that we failed to establish communication.
//
return(false);
}
}
//****************************************************************************
//
// Application should periodically call this function.
//
//****************************************************************************
void
UIMain(void)
{
WidgetMessageQueueProcess();
if(g_sUIState.ui32Indicators & UI_STATUS_KEYBOARD)
{
}
else
{
USBMouseMain();
}
}
void vGraphicTask(void* pvParameters)
{
vInitDisplay();
vShowBootText("booting ...");
while (1)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
vTaskDelay(1);
}
}
//*****************************************************************************
//
// This function causes the display to be redrawn.
//
//*****************************************************************************
void
DisplayFlush(void)
{
//
// Send a paint message to the entire widget tree.
//
WidgetPaint(WIDGET_ROOT);
//
// Process any widget messages in the message queue.
//
WidgetMessageQueueProcess();
//
// Flush the drawing operations to the screen.
//
DpyFlush(&g_sRIT128x96x4Display);
}
int main(void)
{
//
// Set the system clock to run at 80MHz (max freq) from the PLL.
//
SysCtlClockSet(
SYSCTL_SYSDIV_2_5 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN
| SYSCTL_XTAL_16MHZ);
//
// Configure SysTick for a 100Hz interrupt.
//
SysTickPeriodSet(SysCtlClockGet() / TICKS_PER_SECOND);
SysTickEnable();
/// Init RTC
rtc_init();
// Init LCD
ssd1289_init();
//
// Initialize the display context
//
GrContextInit(&sContext, pDisplay);
initClock(pDisplay);
// Init touch
xpt2046_init();
xpt2046_setTouchScreenCallback(WidgetPointerMessage);
xpt2046_enableTouchIRQ();
SysTickIntEnable();
startMainMenuApplication();
while (true)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
}
int main(void) {
ui32SysClkFreq = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPION);
GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_0 | GPIO_PIN_1);
GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_0 | GPIO_PIN_1, 0x00);
Kentec320x240x16_SSD2119Init(ui32SysClkFreq);
TouchScreenInit(ui32SysClkFreq);
TouchScreenCallbackSet(WidgetPointerMessage);
WidgetAdd(WIDGET_ROOT, (tWidget *) &g_sBackground);
WidgetPaint(WIDGET_ROOT);
while (1) {
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// Periodic Functions that need to be called. Should go in main loop
//
//*****************************************************************************
void
ScreenPeriodic(void)
{
//
// Handle screen movements.
//
HandleMovement();
//
// Handle button animation.
//
AnimateButtons(true);
//
// Handle keyboard entry if it is open.
//
HandleKeyboard();
//
// If nothing has happened for awhile, then move to a new city.
//
if(g_ui32ScreenSaver == 0) {
//
// Reset the timeout for 10s to update the screen more often.
//
g_ui32ScreenSaver = 10 * SYSTEM_TICK_S;
//
// Trigger a left swipe.
//
g_sSwipe.eMovement = iSwipeLeft;
}
WidgetMessageQueueProcess();
}
//*****************************************************************************
//
// A simple delay function which will wait for a particular number of
// milliseconds before returning. During this time, the application message
// queue is serviced. The delay granularity here is the system tick period.
//
//*****************************************************************************
void
ApplicationDelay(unsigned long ulDelaymS)
{
unsigned long ulTarget;
//
// What will the system tick counter be when we are finished this delay?
//
ulTarget = g_ulSysTickCount + ((ulDelaymS * TICKS_PER_SECOND) / 1000);
//
// Hang around waiting until this time. This doesn't take into account the
// system tick counter wrapping but, since this takes about 13 and a half
// years, it's probably not too much of a problem.
//
while(g_ulSysTickCount < ulTarget)
{
//
// Process the message queue in case there are any new messages to
// handle.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// Handle the animation when switching between screens.
//
//*****************************************************************************
void
AnimatePanel(uint32_t ui32Color)
{
int32_t i32Idx;
GrContextForegroundSet(&g_sContext, ui32Color);
if(g_i32ScreenIdx == SCREEN_DETAILS) {
for(i32Idx = BG_MAX_Y; i32Idx >= BG_MIN_Y; i32Idx--) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if(i32Idx == 40) {
WidgetPaint((tWidget *)&g_sHeaderTitle);
WidgetMessageQueueProcess();
} else if(i32Idx == 70) {
WidgetPaint((tWidget *)&g_sHeaderLine1);
WidgetMessageQueueProcess();
} else if(i32Idx == 100) {
WidgetPaint((tWidget *)&g_sHeaderLine2);
WidgetMessageQueueProcess();
} else if(i32Idx == 130) {
WidgetPaint((tWidget *)&g_sHeaderLine3);
WidgetMessageQueueProcess();
} else if(i32Idx == 160) {
WidgetPaint((tWidget *)&g_sHeaderLine4);
WidgetMessageQueueProcess();
} else if(i32Idx == 190) {
WidgetPaint((tWidget *)&g_sHeaderLine5);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
} else if(g_i32ScreenIdx == SCREEN_SUMMARY) {
for(i32Idx = BG_MAX_Y; i32Idx >= BG_MIN_Y; i32Idx--) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if(i32Idx == 210) {
WidgetPaint((tWidget *)&g_sPayloadLine8);
WidgetMessageQueueProcess();
} else if(i32Idx == 195) {
WidgetPaint((tWidget *)&g_sPayloadLine7);
WidgetMessageQueueProcess();
} else if(i32Idx == 180) {
WidgetPaint((tWidget *)&g_sPayloadLine6);
WidgetMessageQueueProcess();
} else if(i32Idx == 165) {
WidgetPaint((tWidget *)&g_sPayloadLine5);
WidgetMessageQueueProcess();
} else if(i32Idx == 150) {
WidgetPaint((tWidget *)&g_sPayloadLine4);
WidgetMessageQueueProcess();
} else if(i32Idx == 135) {
WidgetPaint((tWidget *)&g_sPayloadLine3);
WidgetMessageQueueProcess();
} else if(i32Idx == 120) {
WidgetPaint((tWidget *)&g_sPayloadLine2);
WidgetMessageQueueProcess();
} else if(i32Idx == 105) {
WidgetPaint((tWidget *)&g_sPayloadLine1);
WidgetMessageQueueProcess();
} else if(i32Idx == 75) {
WidgetPaint((tWidget *)&g_sPayloadTitle);
WidgetMessageQueueProcess();
} else if(i32Idx == 40) {
WidgetPaint((tWidget *)&g_sTag);
WidgetMessageQueueProcess();
WidgetPaint((tWidget *)&g_sTagTitle);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
} else if(g_i32ScreenIdx == SCREEN_TI) {
for(i32Idx = BG_MIN_Y; i32Idx < BG_MAX_Y; i32Idx++) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if (i32Idx == 100) {
GrImageDraw(&g_sContext, g_pui8TILogo, BG_MIN_X,
BG_MIN_Y);
} else if(i32Idx == 140) {
WidgetPaint((tWidget *)&g_sStatusLine1);
WidgetMessageQueueProcess();
GrContextForegroundSet(&g_sContext, ui32Color);
} else if(i32Idx == 170) {
//DrawToggle(&sProxyToggle, g_sConfig.bProxyEnabled);
WidgetPaint((tWidget *)&g_sStatusLine2);
GrContextForegroundSet(&g_sContext, ui32Color);
WidgetMessageQueueProcess();
} else if(i32Idx == 230) {
WidgetPaint((tWidget *)&g_sTINFCButton);
WidgetPaint((tWidget *)&g_sEchoNFCButton);
GrContextForegroundSet(&g_sContext, ui32Color);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bRetcode;
bspIState_t intState;
uint8_t ucLastChannel;
//
// Set the system clock to run at 50MHz from the PLL
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus(true, "Initializing...");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
//
// Did we have a problem with the address?
//
if(!bRetcode)
{
//
// Yes - make sure the display is updated then hang the app.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// Turn on both our LEDs
//
SetLED(1, true);
SetLED(2, true);
UpdateStatus(true, "Waiting for a device...");
//
// Initialize the SimpliciTI stack and register our receive callback.
//
SMPL_Init(ReceiveCallback);
//
// Tell the user what's up.
//
UpdateStatus(true, "Access point active.");
//
// Do nothing after this - the SimpliciTI stack code handles all the
// access point function required.
//
while(1)
{
//
// Wait for the Join semaphore to be set by the receipt of a Join
// frame from a device that supports an end device.
//
// An external method could be used as well. A button press could be
// connected to an ISR and the ISR could set a semaphore that is
// checked by a function call here, or a command shell running in
// support of a serial connection could set a semaphore that is
// checked by a function call.
//
if (g_ucJoinSem && (g_ucNumCurrentPeers < NUM_CONNECTIONS))
{
//
// Listen for a new incoming connection.
//
while (1)
{
if (SMPL_SUCCESS == SMPL_LinkListen(&g_sLID[g_ucNumCurrentPeers]))
{
//
// The connection attempt succeeded so break out of the
// loop.
//
break;
}
//
// Process our widget message queue.
//
WidgetMessageQueueProcess();
//
// A "real" application would implement its fail-to-link
// policy here. We go back and listen again.
//
}
//
// Increment our peer counter.
//
g_ucNumCurrentPeers++;
//
// Decrement the join semaphore.
//
BSP_ENTER_CRITICAL_SECTION(intState);
g_ucJoinSem--;
BSP_EXIT_CRITICAL_SECTION(intState);
//
// Tell the user how many devices we are now connected to.
//
UpdateStatus(false, "%d devices connected.", g_ucNumCurrentPeers);
}
//
// Have we received a frame on one of the ED connections? We don't use
// a critical section here since it doesn't really matter much if we
// miss a poll.
//
if (g_ucPeerFrameSem)
{
uint8_t pucMsg[MAX_APP_PAYLOAD], ucLen, ucLoop;
/* process all frames waiting */
for (ucLoop = 0; ucLoop < g_ucNumCurrentPeers; ucLoop++)
{
//
// Receive the message.
//
if (SMPL_SUCCESS == SMPL_Receive(g_sLID[ucLoop], pucMsg,
&ucLen))
{
//
// ...and pass it to the function that processes it.
//
ProcessMessage(g_sLID[ucLoop], pucMsg, ucLen);
//
// Decrement our frame semaphore.
//
BSP_ENTER_CRITICAL_SECTION(intState);
g_ucPeerFrameSem--;
BSP_EXIT_CRITICAL_SECTION(intState);
}
}
}
//
// Have we been asked to change channel?
//
ucLastChannel = g_ucChannel;
if (g_bChangeChannel)
{
//
// Yes - go ahead and change to the next radio channel.
//
g_bChangeChannel = false;
ChangeChannel();
}
else
{
//
// No - check to see if we need to automatically change channel
// due to interference on the current one.
//
CheckChangeChannel();
}
//
// If the channel changed, update the display.
//
if(g_ucChannel != ucLastChannel)
{
UpdateStatus(false, "Changed to channel %d.", g_ucChannel);
}
//
// If required, blink the "LEDs" to indicate we are waiting for a
// message following a channel change.
//
BSP_ENTER_CRITICAL_SECTION(intState);
if (g_ulBlinky)
{
if (++g_ulBlinky >= 0xF)
{
g_ulBlinky = 1;
ToggleLED(1);
ToggleLED(2);
}
}
BSP_EXIT_CRITICAL_SECTION(intState);
//
// Process our widget message queue.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bRetcode;
smplStatus_t eRetcode;
//
// Set the system clock to run at 50MHz from the PLL
//
MAP_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus("Initializing...");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
//
// Did we have a problem with the address?
//
if(!bRetcode)
{
//
// Yes - make sure the display is updated then hang the app.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// Turn on both our LEDs
//
SetLED(1, true);
SetLED(2, true);
UpdateStatus("Waiting...");
//
// Initialize the SimpliciTI stack but don't set any receive callback.
//
while(1)
{
eRetcode = SMPL_Init((uint8_t (*)(linkID_t))0);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
//
// Tell the user what's up.
//
UpdateStatus("Range Extender active.");
//
// Do nothing after this - the SimpliciTI stack code handles all the
// access point function required.
//
while(1)
{
//
// Process the widget message queue.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
tRectangle sRect;
//
// The FPU should be enabled because some compilers will use floating-
// point registers, even for non-floating-point code. If the FPU is not
// enabled this will cause a fault. This also ensures that floating-
// point operations could be added to this application and would work
// correctly and use the hardware floating-point unit. Finally, lazy
// stacking is enabled for interrupt handlers. This allows floating-
// point instructions to be used within interrupt handlers, but at the
// expense of extra stack usage.
//
FPUEnable();
FPULazyStackingEnable();
//
// 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);
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(g_ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Fill the top 24 rows of the screen with blue to create the banner.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = GrContextDpyWidthGet(&sContext) - 1;
sRect.i16YMax = 23;
GrContextForegroundSet(&sContext, ClrDarkBlue);
GrRectFill(&sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrRectDraw(&sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&sContext, &g_sFontCm20);
GrStringDrawCentered(&sContext, "grlib demo", -1,
GrContextDpyWidthGet(&sContext) / 2, 8, 0);
//
// Configure and enable uDMA
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
SysCtlDelay(10);
uDMAControlBaseSet(&psDMAControlTable[0]);
uDMAEnable();
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit(g_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_pcPanei32Names[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();
}
}
//*****************************************************************************
//
// 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();
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bRetcode;
smplStatus_t eRetcode;
ioctlToken_t eToken;
//
// Set the system clock to run at 50MHz from the PLL
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus("Initializing...");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
//
// Did we have a problem with the address?
//
if(!bRetcode)
{
//
// Yes - make sure the display is updated then hang the app.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// Turn on both our LEDs
//
SetLED(1, true);
SetLED(2, true);
UpdateStatus("Waiting...");
//
// Initialize the SimpliciTI stack but don't set any receive callback.
//
while(1)
{
eRetcode = SMPL_Init((uint8_t (*)(linkID_t))0);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
// This code example changes the Link token to be distributed to those who
// Join. For the example here this should be done before anyone joins so
// the Join context is defaulted to OFF for this scenario. See the
// smpl_config.dat file. After the link token is set the Join context must
// be enabled.
//
// NOTE that this is done after initialization. For APs the init sequence
// consists of a step in which a link token is generated. The sequence here
// overrides that setting. It can be used to distribute different link
// tokens to different devices. The sequence here is a simple example of
// how to use the IOCTL interface to set the Link token for subsequent
// Joiners.
//
// You might want to be careful about following this particular example if
// you are restoring from NV unless you are setting a fixed value as is
// done here. Unconditionally setting a random value will make it
// essentially impossible for newly joining devices to link to devices that
// joined before the AP was reset since they will have different link
// tokens.
//
eToken.tokenType = TT_LINK;
eToken.token.linkToken = 0x78563412;
SMPL_Ioctl(IOCTL_OBJ_TOKEN, IOCTL_ACT_SET, &eToken);
//
// Enable join context.
//
SMPL_Ioctl(IOCTL_OBJ_AP_JOIN, IOCTL_ACT_ON, 0);
//
// Tell the user what's up.
//
UpdateStatus("Access point active.");
//
// Do nothing after this - the SimpliciTI stack code handles all the
// access point function required.
//
while(1)
{
//
// Process the widget message queue.
//
WidgetMessageQueueProcess();
}
}
int main(void)
{
int xCoOd = 0, yCoOd = 0;
char pressure = 0, touched = 0;
unsigned int i = 0;
unsigned char *dest;
unsigned char *src;
SetupIntc();
SetUpLCD();
/* configuring the base ceiling */
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)(g_pucBuffer+PALETTE_OFFSET),
(unsigned int)(g_pucBuffer+PALETTE_OFFSET) + sizeof(g_pucBuffer) - 2 -
PALETTE_OFFSET, FRAME_BUFFER_0);
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)(g_pucBuffer+PALETTE_OFFSET),
(unsigned int)(g_pucBuffer+PALETTE_OFFSET) + sizeof(g_pucBuffer) - 2 -
PALETTE_OFFSET, FRAME_BUFFER_1);
src = (unsigned char *) palette_32b;
dest = (unsigned char *) (g_pucBuffer+PALETTE_OFFSET);
// Copy palette info into buffer
for( i = PALETTE_OFFSET; i < (PALETTE_SIZE+PALETTE_OFFSET); i++)
{
*dest++ = *src++;
}
// copy splash screen
/*src = (unsigned char *)&splash[40];
for(; i < LCD_SIZE; i++)
{
*dest++ = *src++;
}*/
GrOffScreen16BPPInit(&g_sSHARP480x272x16Display, g_pucBuffer, LCD_WIDTH, LCD_HEIGHT);
// Initialize a drawing context.
GrContextInit(&sContext, &g_sSHARP480x272x16Display);
/* enable End of frame interrupt */
RasterEndOfFrameIntEnable(SOC_LCDC_0_REGS);
/* enable raster */
RasterEnable(SOC_LCDC_0_REGS);
/* Enable display panel backlight and power */
ConfigRasterDisplayEnable();
DisplayGR();
SoundInit();
// TS init
PeripheralsSetup();
InitTouchScreen();
// Loop forever handling widget messages.
while(1)
{
while(!touched)
{
ReadAxis(2, &pressure, &touched);
}
/* Resolving the coordinates of the touched location.*/
ResolveCoordinates(&xCoOd, &yCoOd);
do
{
WidgetPointerMessage(WIDGET_MSG_PTR_DOWN, xCoOd, yCoOd);
// Process any messages in the widget message queue.
WidgetMessageQueueProcess();
ResolveCoordinates(&xCoOd, &yCoOd);
ReadAxis(2, &pressure, &touched);
}while(touched);
WidgetPointerMessage(WIDGET_MSG_PTR_UP, xCoOd, yCoOd);
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// This function attempts to link to another SimpliciTI device by sending a
// link request.
//
//*****************************************************************************
tBoolean
LinkTo(void)
{
smplStatus_t eRetcode;
unsigned long ulCount;
//
// Turn both "LEDs" on.
//
SetLED(1, true);
SetLED(2, true);
//
// Tell SimpliciTI to try to link to an access point.
//
for(ulCount = 1; ulCount <= 10; ulCount++)
{
//
// Update the displayed count. Note that we must process the widget
// message queue here to ensure that the change makes it onto the
// display.
//
UpdateStatus(false, "Link request %d (%s)", ulCount,
(ulCount > 1) ? MapSMPLStatus(eRetcode) : "Waiting");
WidgetMessageQueueProcess();
//
// Try to link to the access point.
//
eRetcode = SMPL_Link(&sLinkID);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
//
// Wait a bit before trying again.
//
NWK_DELAY(1000);
//
// Toggle both the LEDs
//
ToggleLED(1);
ToggleLED(2);
}
//
// Did we manage to link to the access point?
//
if(eRetcode == SMPL_SUCCESS)
{
//
// Tell the user how we got on.
//
UpdateStatus(false, "Link successful.");
SetLED(2, false);
//
// Turn on RX. Default is off.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
//
// Set the time at which we have to send the next packet to our peer to
// one second in the future.
//
g_ulNextPacketTick = g_ulSysTickCount + TICKS_PER_SECOND;
//
// Tell the main loop that we established communication successfully.
//
return(true);
}
else
{
UpdateStatus(false, "Failed to link.");
//
// Tell the main loop that we failed to establish communication.
//
return(false);
}
}
//*****************************************************************************
//
// Compute and display a sine wave.
//
//*****************************************************************************
int
main(void)
{
uint_fast16_t ui16ItemCount = 0;
uint32_t ui32LastTickCount = 0;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPULazyStackingEnable();
//
// Set the clocking to run directly at 50 MHz.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
//
// Configure SysTick to generate a periodic time tick interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize an offscreen display and assign the palette. This offscreen
// buffer is needed by the strip chart widget.
//
GrOffScreen4BPPInit(&g_sOffscreenDisplay, g_pui8OffscreenBuf, 96, 64);
GrOffScreen4BPPPaletteSet(&g_sOffscreenDisplay, g_pui32Palette, 0,
NUM_PALETTE_ENTRIES);
//
// Set the data series buffer pointer to point at the storage where the
// series data points will be stored.
//
g_sSeries.pvData = g_i8SeriesData;
//
// Add the series to the strip chart
//
StripChartSeriesAdd(&g_sStripChart, &g_sSeries);
//
// Add the strip chart to the widget tree.
//
WidgetAdd(WIDGET_ROOT, &g_sStripChart.sBase);
//
// Enter a loop to continuously calculate a sine wave.
//
while(1)
{
float fElapsedTime;
float fRadians;
float fSine;
//
// Wait for the next timer tick.
//
while(ui32LastTickCount == g_ui32TickCount)
{
}
ui32LastTickCount = g_ui32TickCount;
//
// Preparing to add a new data point to the strip chart ...
// If the number count of items in the strip chart has reached the
// maximum value, then the data points need to "slide down" in the
// buffer so new data can be added at the end.
//
if(ui16ItemCount == SERIES_LENGTH)
{
memmove(&g_i8SeriesData[0], &g_i8SeriesData[1], SERIES_LENGTH - 1);
}
//
// Otherwise, the series data buffer is less than full so just
// increment the count of data points.
//
else
{
//
// Increment the number of items that have been added to the strip
// chart series data buffer.
//
ui16ItemCount++;
//
// Since the count of data items has changed, it must be updated in
// the data series.
//
g_sSeries.ui16NumItems = ui16ItemCount;
}
//
// Compute the elapsed time in decimal seconds, in floating point
// format.
//
fElapsedTime = (float)g_ui32TickCount * FSECONDS_PER_TICK;
//
// Convert the time to radians.
//
fRadians = fElapsedTime * 2.0 * M_PI;
//
// Adjust the period of the wave. This will give us a wave period
// of 4 seconds, or 0.25 Hz. This number was chosen arbitrarily to
// provide a nice looking wave on the display.
//
fRadians /= 4.0;
//
// Compute the sine. Multiply by 0.5 to reduce the amplitude.
//
fSine = sinf(fRadians) * 0.5;
//
// Finally, save the sine value into the last location in the series
// data point buffer. Convert the sine amplitude to display pixels.
// (Amplitude 1 = 32 pixels)
//
g_i8SeriesData[ui16ItemCount - 1] = (int8_t)(fSine * 32.0);
//
// Now that a new data point has been added to the series, advance
// the strip chart.
//
StripChartAdvance(&g_sStripChart, 1);
//
// Request a repaint and run the widget processing queue.
//
WidgetPaint(WIDGET_ROOT);
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bSuccess, bRetcode, bInitialized;
//
// Set the system clock to run at 50MHz from the PLL
//
MAP_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
if(!bRetcode)
{
//
// The Ethernet MAC address can't have been set so hang here since we
// don't have an address to use for SimpliciTI.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// First time through, we need to initialize the SimpliciTI stack.
//
bInitialized = false;
//
// The main loop starts here now that we have joined the network.
//
while(1)
{
//
// Tell the user what to do.
//
UpdateStatus(true, "Please choose the operating mode.");
//
// Now wait until the user selects whether we should run as the sender
// or the receiver.
//
while(g_ulMode == MODE_UNDEFINED)
{
//
// Just spin, processing UI messages and waiting for someone to
// press one of the mode buttons.
//
WidgetMessageQueueProcess();
}
//
// At this point, the mode is set so remove the buttons from the
// display and replace them with the LEDs.
//
WidgetRemove((tWidget *)&g_sBtnContainer);
WidgetAdd((tWidget *)&g_sBackground,
(tWidget *)&g_sLEDContainer);
WidgetPaint((tWidget *)&g_sBackground);
//
// Tell the user what we're doing now.
//
UpdateStatus(false, "Joining network...");
if(!bInitialized)
{
//
// Initialize the SimpliciTI stack We keep trying to initialize until
// we get a success return code. This indicates that we have also
// successfully joined the network.
//
while(SMPL_SUCCESS != SMPL_Init((uint8_t (*)(linkID_t))0))
{
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
//
// Now that we are initialized, remember not to call this again.
//
bInitialized = true;
}
//
// Once we have joined, turn both LEDs on and tell the user what we want
// them to do.
//
SetLED(1, true);
SetLED(2, true);
//
// Now call the function that initiates communication in
// the desired mode. Note that these functions will not return
// until communication is established or an error occurs.
//
if(g_ulMode == MODE_SENDER)
{
bSuccess = LinkTo();
}
else
{
bSuccess = LinkFrom();
}
//
// If we were unsuccessfull, go back to the mode selection
// display.
//
if(!bSuccess)
{
//
// Remove the LEDs and show the buttons again.
//
WidgetRemove((tWidget *)&g_sLEDContainer);
WidgetAdd((tWidget *)&g_sBackground, (tWidget *)&g_sBtnContainer);
WidgetPaint((tWidget *)&g_sBackground);
//
// Tell the user what happened.
//
UpdateStatus(false, "Error establishing communication!");
//
// Remember that we don't have an operating mode chosen.
//
g_ulMode = MODE_UNDEFINED;
}
}
}
//*****************************************************************************
//
// This function listens for a link request from another SimpliciTI device.
//
//*****************************************************************************
tBoolean
LinkFrom(void)
{
linkID_t linkID1;
uint8_t pucMsg[MAX_APP_PAYLOAD], ucLen, ucLtid;
unsigned long ulCount;
smplStatus_t eRetcode;
//
// Tell the user what we're doing.
//
UpdateStatus(false, "Listening for link...");
//
// Keep the compiler happy.
//
eRetcode = SMPL_TIMEOUT;
//
// Turn on LED 1 to indicate that we are listening.
//
SetLED(1, true);
//
// Listen for link for 10 seconds or so. This logic may fail if you
// happen to have sat around for about 13.6 years between starting the
// example and pressing the mode selection button. I suspect I will be
// forgiven for this.
//
ulCount = g_ulSysTickCount + (LINK_TIMEOUT_SECONDS * TICKS_PER_SECOND);
while (ulCount > g_ulSysTickCount)
{
//
// Process our message queue to keep the widget library happy.
//
WidgetMessageQueueProcess();
//
// Listen for a link. This call takes quite some time to return.
//
eRetcode = SMPL_LinkListen(&linkID1);
//
// Was the link successful?
//
if (SMPL_SUCCESS == eRetcode)
{
//
// Yes - drop out of the loop.
//
break;
}
}
//
// Did we link successfully?
//
if(eRetcode != SMPL_SUCCESS)
{
//
// No - Tell the user what happened and return an error.
//
UpdateStatus(false, "Failed to link!");
return(false);
}
//
// Turn off LED 1 to indicate that our listen succeeded.
//
UpdateStatus(false, "Link succeeded.");
SetLED(1, false);
//
// Clear our message counter.
//
ulCount = 0;
//
// Enter an infinite loop polling for messages.
//
while (1)
{
//
// Turn the radio off and pretend to sleep for a second or so.
//
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
SPIN_ABOUT_A_SECOND; /* emulate MCU sleeping */
//
// Turn the radio back on again.
//
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
//
// Were any messages "received"?
//
// The receive call results in polling the Access Point. The success
// case occurs when a payload is actually returned. When there is no
// frame waiting for the device a frame with no payload is returned by
// the Access Point. Note that this loop will retrieve any and all
// frames that are waiting for this device on the specified link ID.
// This call will also return frames that were received directly. It
// is possible to get frames that were repeated either from the initial
// transmission from the peer or via a Range Extender. This is why we
// implement the TID check.
//
do
{
//
// Receive whatever the AP has for us.
//
eRetcode = SMPL_Receive(linkID1, pucMsg, &ucLen);
//
// Did we get a real frame?
//
if((eRetcode == SMPL_SUCCESS) && ucLen)
{
//
// Tell the user what's going on.
//
UpdateStatus(false, "Received msg %d", ++ulCount);
//
// Process our message queue to keep the widget library happy.
//
WidgetMessageQueueProcess();
//
// Check the application sequence number to detect late or missing
// frames.
//
ucLtid = *(pucMsg+1);
if (ucLtid)
{
//
// If the current TID is non-zero and the last one we saw was
// less than this one assume we've received the 'next' one.
//
if (g_ucTid < ucLtid)
{
//
// 'Next' frame. We may have missed some but we don't
// care.
//
if ((*pucMsg == 1) || (*pucMsg == 2))
{
//
// We're good. Toggle the requested LED.
//
ToggleLED(*pucMsg);
}
//
// Remember the last TID.
//
g_ucTid = ucLtid;
}
//
// If current TID is non-zero and less than or equal to the last
// one we saw assume we received a duplicate. Just ignore it.
//
}
else
{
//
// Current TID is zero so the count wrapped or we just started.
// Let's just accept it and start over.
//
if ((*pucMsg == 1) || (*pucMsg == 2))
{
//
// We're good. Toggle the requested LED.
//
ToggleLED(*pucMsg);
}
//
// Remember the last TID.
//
g_ucTid = ucLtid;
}
}
} while ((eRetcode == SMPL_SUCCESS) & ucLen);
}
}
//*****************************************************************************
//
// Read the ulIndex-th JPEG image and pass it to the JPEG canvas widget for
// decompression. If bPaint is true, repaint the widget to show the new image
// or the error information string.
//
//*****************************************************************************
static tBoolean
ImageViewerGetImage(unsigned long ulIndex, tBoolean bPaint)
{
tBoolean bRetcode;
unsigned long ulLen, ulError;
char *pcName;
unsigned char *pucData;
//
// Get a pointer to the file data and its length.
//
bRetcode = FileGetJPEGFileInfo(ulIndex, &pcName, &ulLen, &pucData);
//
// Did we get the file information successfully?
//
if(bRetcode)
{
//
// If we have been asked to paint the image, display text on top of
// the existing image indicating that decompression is going on.
//
if(bPaint)
{
JPEGWidgetTextSet(&g_sMainImage, "Decompressing...");
WidgetPaint((tWidget *)&g_sMainImage);
WidgetMessageQueueProcess();
}
//
// We got the file information so now pass it to the JPEG canvas
// widget to have it decompressed.
//
ulError = JPEGWidgetImageSet((tWidget *)&g_sMainImage, pucData, ulLen);
//
// Did the decompression go as planned?
//
if(ulError)
{
//
// No - something went wrong. Set an error message.
//
JPEGWidgetTextSet(&g_sMainImage, "Decompression Error!");
bRetcode = false;
}
else
{
//
// The image was decompressed successfully so remove any error
// string that the control may have been displaying.
//
JPEGWidgetTextSet(&g_sMainImage, "");
}
}
//
// If we have been asked to repaint the widget, do so.
//
if(bPaint)
{
WidgetPaint((tWidget *)&g_sMainImage);
}
//
// Tell the caller how things went.
//
return(bRetcode);
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bSuccess, bRetcode;
unsigned char pucMsg[2];
unsigned char ucTid;
unsigned char ucDelay;
unsigned long ulLastRxCount, ulLastTxCount;
smplStatus_t eRetcode;
//
// Set the system clock to run at 50MHz from the PLL
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus(true, "Please choose the operating mode.");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
if(!bRetcode)
{
//
// The board does not have a MAC address configured so we can't set
// the SimpliciTI device address (which we derive from the MAC address).
//
while(1);
}
//
// Initialize the SimpliciTI stack and supply our receive callback
// function pointer.
//
SMPL_Init(RxCallback);
//
// Initialize our message ID, initial inter-message delay and packet
// counters.
//
ucTid = 0;
ucDelay = 0;
ulLastRxCount = 0;
ulLastTxCount = 0;
//
// Fall into the command line processing loop.
//
while (1)
{
//
// Process any messages from or for the widgets.
//
WidgetMessageQueueProcess();
//
// Check to see if we've been told to do anything.
//
if(g_ulCommandFlags)
{
//
// Has the mode been set? If so, set up the display to show the
// "LEDs" and then start communication.
//
if(HWREGBITW(&g_ulCommandFlags, COMMAND_MODE_SET))
{
//
// Clear the bit now that we have seen it.
//
HWREGBITW(&g_ulCommandFlags, COMMAND_MODE_SET) = 0;
//
// Remove the buttons and replace them with the LEDs then
// repaint the display.
//
WidgetRemove((tWidget *)&g_sBtnContainer);
WidgetAdd((tWidget *)&g_sBackground,
(tWidget *)&g_sLEDContainer);
WidgetPaint((tWidget *)&g_sBackground);
//
// Now call the function that initiates communication in
// the desired mode. Note that these functions will not return
// until communication is established or an error occurs.
//
if(g_ulMode == MODE_TALKER)
{
bSuccess = LinkTo();
}
else
{
bSuccess = LinkFrom();
}
//
// If we were unsuccessfull, go back to the mode selection
// display.
//
if(!bSuccess)
{
//
// Remove the LEDs and show the buttons again.
//
WidgetRemove((tWidget *)&g_sLEDContainer);
WidgetAdd((tWidget *)&g_sBackground,
(tWidget *)&g_sBtnContainer);
WidgetPaint((tWidget *)&g_sBackground);
//
// Tell the user what happened.
//
UpdateStatus(false, "Error establishing communication!");
UpdateStatus(true, "Please choose the operating mode.");
//
// Remember that we don't have an operating mode chosen.
//
g_ulMode = MODE_UNDEFINED;
}
}
//
// Have we been asked to toggle the first "LED"?
//
if(HWREGBITW(&g_ulCommandFlags, COMMAND_LED1_TOGGLE))
{
//
// Clear the bit now that we have seen it.
//
HWREGBITW(&g_ulCommandFlags, COMMAND_LED1_TOGGLE) = 0;
//
// Toggle the LED.
//
ToggleLED(1);
}
//
// Have we been asked to toggle the second "LED"?
//
if(HWREGBITW(&g_ulCommandFlags, COMMAND_LED2_TOGGLE))
{
//
// Clear the bit now that we have seen it.
//
HWREGBITW(&g_ulCommandFlags, COMMAND_LED2_TOGGLE) = 0;
//
// Toggle the LED.
//
ToggleLED(2);
}
//
// Have we been asked to send a packet back to our peer? This
// command is only ever sent to the main loop when we are running
// in listener mode (LinkListen).
//
if(HWREGBITW(&g_ulCommandFlags, COMMAND_SEND_REPLY))
{
//
// Clear the bit now that we have seen it.
//
HWREGBITW(&g_ulCommandFlags, COMMAND_SEND_REPLY) = 0;
//
// Create the message. The first byte tells the receiver to
// toggle LED1 and the second is a sequence counter.
//
pucMsg[0] = 1;
pucMsg[1] = ++ucTid;
eRetcode = SMPL_Send(sLinkID, pucMsg, 2);
//
// Update our transmit counter if we transmitted the packet
// successfully.
//
if(eRetcode == SMPL_SUCCESS)
{
g_ulTxCount++;
}
else
{
UpdateStatus(false, "TX error %s (%d)", MapSMPLStatus(eRetcode),
eRetcode);
}
}
}
//
// If we are the talker (LinkTo mode), check to see if it's time to
// send another packet to our peer.
//
if((g_ulMode == MODE_TALKER) &&
(g_ulSysTickCount >= g_ulNextPacketTick))
{
//
// Create the message. The first byte tells the receiver to
// toggle LED1 and the second is a sequence counter.
//
pucMsg[0] = 1;
pucMsg[1] = ++ucTid;
eRetcode = SMPL_Send(sLinkID, pucMsg, 2);
//
// Update our transmit counter if we transmitted the packet
// correctly.
//
if(eRetcode == SMPL_SUCCESS)
{
g_ulTxCount++;
}
else
{
UpdateStatus(false, "TX error %s (%d)", MapSMPLStatus(eRetcode),
eRetcode);
}
//
// Set the delay before the next message.
//
#ifndef USE_2_SECOND_DELAY
//
// Set the delay before the next message. We increase this from 1
// second to 4 seconds then cycle back to 1.
//
ucDelay = (ucDelay == 4) ? 1 : (ucDelay + 1);
#else
//
// Wait 2 seconds before sending the next message.
//
ucDelay = 2;
#endif
//
// Calculate the system tick count when our delay has completed.
// This algorithm will generate a spurious packet every 13.7 years
// since I don't handle the rollover case in the comparison above
// but I'm pretty sure you will forgive me for this oversight.
//
g_ulNextPacketTick = g_ulSysTickCount +
(TICKS_PER_SECOND * ucDelay);
}
//
// If either the transmit or receive packet count changed, update
// the status on the display.
//
if((g_ulRxCount != ulLastRxCount) || (g_ulTxCount != ulLastTxCount))
{
ulLastTxCount = g_ulTxCount;
ulLastRxCount = g_ulRxCount;
UpdateStatus(false, "Received %d pkts, sent %d (%d)",
ulLastRxCount, ulLastTxCount);
}
}
}
//*****************************************************************************
//
// 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;
}
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bRetcode;
smplStatus_t eRetcode;
ioctlScanChan_t sScan;
freqEntry_t pFreq[NWK_FREQ_TBL_SIZE];
tBoolean bFirstTimeThrough;
unsigned long ulLoop;
uint8_t ucLast;
//
// Set the system clock to run at 50MHz from the PLL
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus("Initializing...");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
//
// Did we have a problem with the address?
//
if(!bRetcode)
{
//
// Yes - make sure the display is updated then hang the app.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// Turn on both our LEDs
//
SetLED(1, true);
SetLED(2, true);
UpdateStatus("Joining network...");
//
// Initialize the SimpliciTI stack but don't set any receive callback.
//
while(1)
{
eRetcode = SMPL_Init((uint8_t (*)(linkID_t))0);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
//
// Tell the user what's up.
//
UpdateStatus("Sniffing...");
//
// Set up for our first sniff.
//
sScan.freq = pFreq;
bFirstTimeThrough = true;
ucLast = 0xFF;
//
// Keep sniffing forever.
//
while (1)
{
//
// Wait a while.
//
SPIN_ABOUT_A_QUARTER_SECOND;
//
// Scan for the active channel.
//
SMPL_Ioctl(IOCTL_OBJ_FREQ, IOCTL_ACT_SCAN, &sScan);
//
// Did we find a signal?
//
if (1 == sScan.numChan)
{
if (bFirstTimeThrough)
{
//
// Set the initial LED state.
//
SetLED(1, false);
SetLED(2, true);
//
// Wait a while.
//
for(ulLoop = 0; ulLoop < 15; ulLoop--)
{
//
// Toggle both LEDs and wait a bit.
//
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_QUARTER_SECOND;
}
bFirstTimeThrough = false;
}
//
// Has the channel changed since the last time we updated the
// display?
//
if(pFreq[0].logicalChan != ucLast)
{
//
// Remember the channel we just detected.
//
ucLast = pFreq[0].logicalChan;
//
// Tell the user which channel we found to be active.
//
UpdateStatus("Active channel is %d.", pFreq[0].logicalChan);
//
// Set the "LEDs" to mimic the behavior of the MSP430 versions
// of this application.
//
switch(pFreq[0].logicalChan)
{
case 0:
{
/* GREEN OFF */
/* RED OFF */
SetLED(1, false);
SetLED(2, false);
break;
}
case 1:
{
/* GREEN OFF */
/* RED ON */
SetLED(1, false);
SetLED(2, true);
break;
}
case 2:
{
/* GREEN ON */
/* RED OFF */
SetLED(1, true);
SetLED(2, false);
break;
}
case 3:
{
/* GREEN ON */
/* RED ON */
SetLED(1, true);
SetLED(2, true);
break;
}
case 4:
{
/* blink them both... */
SetLED(1, false);
SetLED(2, false);
SPIN_ABOUT_A_QUARTER_SECOND;
SetLED(1, true);
SetLED(2, true);
SPIN_ABOUT_A_QUARTER_SECOND;
SetLED(1, false);
SetLED(2, false);
}
}
}
}
}
}
int
main(void)
{
tContext sContext;
tRectangle sRect;
//
// The FPU should be enabled because some compilers will use floating-
// point registers, even for non-floating-point code. If the FPU is not
// enabled this will cause a fault. This also ensures that floating-
// point operations could be added to this application and would work
// correctly and use the hardware floating-point unit. Finally, lazy
// stacking is enabled for interrupt handlers. This allows floating-
// point instructions to be used within interrupt handlers, but at the
// expense of extra stack usage.
//
FPUEnable();
FPULazyStackingEnable();
//
// Set the clock to 40Mhz derived from the PLL and the external oscillator
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_5 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
//
// Initialize the display driver.
//
Adafruit320x240x16_ILI9325Init();
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sAdafruit320x240x16_ILI9325);
//
// Configure and enable uDMA
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
SysCtlDelay(10);
uDMAControlBaseSet(&sDMAControlTable[0]);
uDMAEnable();
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit();
//
// Paint touch calibration targets and collect calibration data
//
GrContextForegroundSet(&sContext, ClrWhite);
GrContextBackgroundSet(&sContext, ClrBlack);
GrContextFontSet(&sContext, &g_sFontCm20);
GrStringDraw(&sContext, "Touch center of circles to calibrate", -1, 0, 0, 1);
GrCircleDraw(&sContext, 32, 24, 10);
GrFlush(&sContext);
TouchScreenCalibrationPoint(32, 24, 0);
GrCircleDraw(&sContext, 280, 200, 10);
GrFlush(&sContext);
TouchScreenCalibrationPoint(280, 200, 1);
GrCircleDraw(&sContext, 200, 40, 10);
GrFlush(&sContext);
TouchScreenCalibrationPoint(200, 40, 2);
//
// Calculate and set calibration matrix
//
long* plCalibrationMatrix = TouchScreenCalibrate();
//
// Write out calibration data if successful
//
if(plCalibrationMatrix)
{
char pcStringBuf[20];
usprintf(pcStringBuf, "A %d", plCalibrationMatrix[0]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 20, 1);
usprintf(pcStringBuf, "B %d", plCalibrationMatrix[1]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 40, 1);
usprintf(pcStringBuf, "C %d", plCalibrationMatrix[2]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 60, 1);
usprintf(pcStringBuf, "D %d", plCalibrationMatrix[3]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 80, 1);
usprintf(pcStringBuf, "E %d", plCalibrationMatrix[4]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 100, 1);
usprintf(pcStringBuf, "F %d", plCalibrationMatrix[5]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 120, 1);
usprintf(pcStringBuf, "Div %d", plCalibrationMatrix[6]);
GrStringDraw(&sContext, pcStringBuf, -1, 0, 140, 1);
TouchScreenCalibrationPoint(0,0,0); // wait for dummy touch
}
//
// Enable touch screen event handler for grlib widgets
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Fill the top 24 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&sContext) - 1;
sRect.sYMax = 23;
GrContextForegroundSet(&sContext, ClrDarkBlue);
GrRectFill(&sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrRectDraw(&sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&sContext, &g_sFontCm20);
GrStringDrawCentered(&sContext, "grlib demo", -1,
GrContextDpyWidthGet(&sContext) / 2, 8, 0);
//
// 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_ulPanel = 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();
}
}
//*****************************************************************************
//
// Main application entry function.
//
//*****************************************************************************
int
main(void)
{
tBoolean bRetcode;
//
// Set the system clock to run at 50MHz from the PLL
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// NB: We don't call PinoutSet() in this testcase since the EM header
// expansion board doesn't currently have an I2C ID EEPROM. If we did
// call PinoutSet() this would configure all the EPI pins for SDRAM and
// we don't want to do this.
//
g_eDaughterType = DAUGHTER_NONE;
//
// Enable peripherals required to drive the LCD.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH);
//
// Configure SysTick for a 10Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sHeading);
//
// Initialize the status string.
//
UpdateStatus(true, "Monitoring...");
//
// Paint the widget tree to make sure they all appear on the display.
//
WidgetPaint(WIDGET_ROOT);
//
// Initialize the SimpliciTI BSP.
//
BSP_Init();
//
// Set the SimpliciTI device address using the current Ethernet MAC address
// to ensure something like uniqueness.
//
bRetcode = SetSimpliciTIAddress();
//
// Did we have a problem with the address?
//
if(!bRetcode)
{
//
// Yes - make sure the display is updated then hang the app.
//
WidgetMessageQueueProcess();
while(1)
{
//
// MAC address is not set so hang the app.
//
}
}
//
// Initialize the SimpliciTI stack but don't set any receive callback.
//
SMPL_Init(0);
//
// Start monitoring for alert messages from other devices. This function
// doesn't return.
//
MonitorForBadNews();
}
//*****************************************************************************
//
// A simple demonstration of the features of the Stellaris Graphics Library.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
tRectangle sRect;
//
// If running on Rev A2 silicon, turn the LDO voltage up to 2.75V. This is
// a workaround to allow the PLL to operate reliably.
//
if(REVISION_IS_A2)
{
SysCtlLDOSet(SYSCTL_LDO_2_75V);
}
//
// Set the clocking to run from the PLL.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Turn on the backlight.
//
Kitronix320x240x16_SSD2119BacklightOn(255);
//
// 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_sKitronix320x240x16_SSD2119);
//
// Fill the top 26 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&sContext) - 1;
sRect.sYMax = 25;
GrContextForegroundSet(&sContext, ClrDarkBlue);
GrRectFill(&sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrRectDraw(&sContext, &sRect);
//
// 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);
//
// Put the application name in the middle of the banner.
//
GrStringGet(STR_APPNAME, g_pcBuffer, SCOMP_MAX_STRLEN);
GrContextFontSet(&sContext, FONT_20PT);
GrStringDrawCentered(&sContext, g_pcBuffer, -1,
GrContextDpyWidthGet(&sContext) / 2, 10, 0);
//
// Initialize the sound driver.
//
SoundInit();
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit();
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_ulPanel = 0;
WidgetAdd(WIDGET_ROOT, (tWidget *)g_psPanels);
//
// Set the string for the title.
//
CanvasTextSet(&g_sTitle, g_pcTitle);
//
// Initialize the pointer to the button text.
//
PushButtonTextSet(&g_sFirmwareUpdateBtn, g_pcUpdateButton);
//
// Issue the initial paint request to the widgets.
//
WidgetPaint(WIDGET_ROOT);
//
// Loop forever unless we receive a signal that a firmware update has been
// requested.
//
while(!g_bFirmwareUpdate)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
//
// If we drop out, a firmware update request has been made. We call
// WidgetMessageQueueProcess once more to ensure that any final messages
// are processed then jump into the bootloader.
//
WidgetMessageQueueProcess();
//
// Wait a while for the last keyboard click sound to finish. This is about
// 500mS since the delay loop is 3 cycles long.
//
SysCtlDelay(SysCtlClockGet() / 6);
//
// Pass control to the bootloader.
//
JumpToBootLoader();
//
// The boot loader should take control, so this should never be reached.
// Just in case, loop forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// Initialize and operate the data logger.
//
//*****************************************************************************
int
main(void)
{
tContext sDisplayContext, sBufferContext;
uint32_t ui32HibIntStatus, ui32SysClock, ui32LastTickCount;
bool bSkipSplash;
uint8_t ui8ButtonState, ui8ButtonChanged;
uint_fast8_t ui8X, ui8Y;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
MAP_FPULazyStackingEnable();
//
// Set the clocking to run at 50 MHz.
//
MAP_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
ui32SysClock = MAP_SysCtlClockGet();
//
// Initialize locals.
//
bSkipSplash = false;
ui32LastTickCount = 0;
//
// Initialize the data acquisition module. This initializes the ADC
// hardware.
//
AcquireInit();
//
// Enable access to the hibernate peripheral. If the hibernate peripheral
// was already running then this will have no effect.
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_HIBERNATE);
//
// Check to see if the hiberate module is already active and if so then
// read the saved configuration state. If both are okay, then proceed
// to check and see if we are logging data using sleep mode.
//
if(HibernateIsActive() && !GetSavedState(&g_sConfigState))
{
//
// Read the status of the hibernate module.
//
ui32HibIntStatus = HibernateIntStatus(1);
//
// If this is a pin wake, that means the user pressed the select
// button and we should terminate the sleep logging. In this case
// we will fall out of this conditional section, and go through the
// normal startup below, but skipping the splash screen so the user
// gets immediate response.
//
if(ui32HibIntStatus & HIBERNATE_INT_PIN_WAKE)
{
//
// Clear the interrupt flag so it is not seen again until another
// wake.
//
HibernateIntClear(HIBERNATE_INT_PIN_WAKE);
bSkipSplash = true;
}
//
// Otherwise if we are waking from hibernate and it was not a pin
// wake, then it must be from RTC match. Check to see if we are
// sleep logging and if so then go through an abbreviated startup
// in order to collect the data and go back to sleep.
//
else if(g_sConfigState.ui32SleepLogging &&
(ui32HibIntStatus & HIBERNATE_INT_RTC_MATCH_0))
{
//
// Start logger and pass the configuration. The logger should
// configure itself to take one sample.
//
AcquireStart(&g_sConfigState);
g_iLoggerState = eSTATE_LOGGING;
//
// Enter a forever loop to run the acquisition. This will run
// until a new sample has been taken and stored.
//
while(!AcquireRun())
{
}
//
// Getting here means that a data acquisition was performed and we
// can now go back to sleep. Save the configuration and then
// activate the hibernate.
//
SetSavedState(&g_sConfigState);
//
// Set wake condition on pin-wake or RTC match. Then put the
// processor in hibernation.
//
HibernateWakeSet(HIBERNATE_WAKE_PIN | HIBERNATE_WAKE_RTC);
HibernateRequest();
//
// Hibernating takes a finite amount of time to occur, so wait
// here forever until hibernate activates and the processor
// power is removed.
//
for(;;)
{
}
}
//
// Otherwise, this was not a pin wake, and we were not sleep logging,
// so just fall out of this conditional and go through the normal
// startup below.
//
}
else
{
//
// In this case, either the hibernate module was not already active, or
// the saved configuration was not valid. Initialize the configuration
// to the default state and then go through the normal startup below.
//
GetDefaultState(&g_sConfigState);
}
//
// Enable the Hibernate module to run.
//
HibernateEnableExpClk(SysCtlClockGet());
//
// The hibernate peripheral trim register must be set per silicon
// erratum 2.1
//
HibernateRTCTrimSet(0x7FFF);
//
// Start the RTC running. If it was already running then this will have
// no effect.
//
HibernateRTCEnable();
//
// In case we were sleep logging and are now finished (due to user
// pressing select button), then disable sleep logging so it doesnt
// try to start up again.
//
g_sConfigState.ui32SleepLogging = 0;
SetSavedState(&g_sConfigState);
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize the buttons driver.
//
ButtonsInit();
//
// Pass the restored state to the menu system.
//
MenuSetState(&g_sConfigState);
//
// Enable the USB peripheral
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0);
//
// Configure the required pins for USB operation.
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);
MAP_GPIOPinConfigure(GPIO_PG4_USB0EPEN);
MAP_GPIOPinTypeUSBDigital(GPIO_PORTG_BASE, GPIO_PIN_4);
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL);
MAP_GPIOPinTypeUSBAnalog(GPIO_PORTL_BASE, GPIO_PIN_6 | GPIO_PIN_7);
MAP_GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Erratum workaround for silicon revision A1. VBUS must have pull-down.
//
if(CLASS_IS_BLIZZARD && REVISION_IS_A1)
{
HWREG(GPIO_PORTB_BASE + GPIO_O_PDR) |= GPIO_PIN_1;
}
//
// Initialize the USB stack mode and pass in a mode callback.
//
USBStackModeSet(0, eUSBModeOTG, ModeCallback);
//
// Initialize the stack to be used with USB stick.
//
USBStickInit();
//
// Initialize the stack to be used as a serial device.
//
USBSerialInit();
//
// Initialize the USB controller for dual mode operation with a 2ms polling
// rate.
//
USBOTGModeInit(0, 2000, g_pui8HCDPool, HCD_MEMORY_SIZE);
//
// Initialize the menus module. This module will control the user
// interface menuing system.
//
MenuInit(WidgetActivated);
//
// Configure SysTick to periodically interrupt.
//
g_ui32TickCount = 0;
MAP_SysTickPeriodSet(ui32SysClock / CLOCK_RATE);
MAP_SysTickIntEnable();
MAP_SysTickEnable();
//
// Initialize the display context and another context that is used
// as an offscreen drawing buffer for display animation effect
//
GrContextInit(&sDisplayContext, &g_sCFAL96x64x16);
GrContextInit(&sBufferContext, &g_sOffscreenDisplayA);
//
// Show the splash screen if we are not skipping it. The only reason to
// skip it is if the application was in sleep-logging mode and the user
// just waked it up with the select button.
//
if(!bSkipSplash)
{
const uint8_t *pui8SplashLogo = g_pui8Image_TI_Black;
//
// Draw the TI logo on the display. Use an animation effect where the
// logo will "slide" onto the screen. Allow select button to break
// out of animation.
//
for(ui8X = 0; ui8X < 96; ui8X++)
{
if(ButtonsPoll(0, 0) & SELECT_BUTTON)
{
break;
}
GrImageDraw(&sDisplayContext, pui8SplashLogo, 95 - ui8X, 0);
}
//
// Leave the logo on the screen for a long duration. Monitor the
// buttons so that if the user presses the select button, the logo
// display is terminated and the application starts immediately.
//
while(g_ui32TickCount < 400)
{
if(ButtonsPoll(0, 0) & SELECT_BUTTON)
{
break;
}
}
//
// Extended splash sequence
//
if(ButtonsPoll(0, 0) & UP_BUTTON)
{
for(ui8X = 0; ui8X < 96; ui8X += 4)
{
GrImageDraw(&sDisplayContext,
g_ppui8Image_Splash[(ui8X / 4) & 3],
(int32_t)ui8X - 96L, 0);
GrImageDraw(&sDisplayContext, pui8SplashLogo, ui8X, 0);
MAP_SysCtlDelay(ui32SysClock / 12);
}
MAP_SysCtlDelay(ui32SysClock / 3);
pui8SplashLogo = g_ppui8Image_Splash[4];
GrImageDraw(&sDisplayContext, pui8SplashLogo, 0, 0);
MAP_SysCtlDelay(ui32SysClock / 12);
}
//
// Draw the initial menu into the offscreen buffer.
//
SlideMenuDraw(&g_sMenuWidget, &sBufferContext, 0);
//
// Now, draw both the TI logo splash screen (from above) and the initial
// menu on the screen at the same time, moving the coordinates so that
// the logo "slides" off the display and the menu "slides" onto the
// display.
//
for(ui8Y = 0; ui8Y < 64; ui8Y++)
{
GrImageDraw(&sDisplayContext, pui8SplashLogo, 0, -ui8Y);
GrImageDraw(&sDisplayContext, g_pui8OffscreenBufA, 0, 63 - ui8Y);
}
}
//
// Add the menu widget to the widget tree and send an initial paint
// request.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sMenuWidget);
WidgetPaint(WIDGET_ROOT);
//
// Set the focus handle to the menu widget. Any button events will be
// sent to this widget
//
g_ui32KeyFocusWidgetHandle = (uint32_t)&g_sMenuWidget;
//
// Forever loop to run the application
//
while(1)
{
//
// Each time the timer tick occurs, process any button events.
//
if(g_ui32TickCount != ui32LastTickCount)
{
//
// Remember last tick count
//
ui32LastTickCount = g_ui32TickCount;
//
// Read the debounced state of the buttons.
//
ui8ButtonState = ButtonsPoll(&ui8ButtonChanged, 0);
//
// Pass any button presses through to the widget message
// processing mechanism. The widget that has the button event
// focus (probably the menu widget) will catch these button events.
//
if(BUTTON_PRESSED(SELECT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_SELECT);
}
if(BUTTON_PRESSED(UP_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_UP);
}
if(BUTTON_PRESSED(DOWN_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_DOWN);
}
if(BUTTON_PRESSED(LEFT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_LEFT);
}
if(BUTTON_PRESSED(RIGHT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_RIGHT);
}
}
//
// Tell the OTG library code how much time has passed in milliseconds
// since the last call.
//
USBOTGMain(GetTickms());
//
// Call functions as needed to keep the host or device mode running.
//
if(g_iCurrentUSBMode == eUSBModeDevice)
{
USBSerialRun();
}
else if(g_iCurrentUSBMode == eUSBModeHost)
{
USBStickRun();
}
//
// If in the logging state, then call the logger run function. This
// keeps the data acquisition running.
//
if((g_iLoggerState == eSTATE_LOGGING) ||
(g_iLoggerState == eSTATE_VIEWING))
{
if(AcquireRun() && g_sConfigState.ui32SleepLogging)
{
//
// If sleep logging is enabled, then at this point we have
// stored the first data item, now save the state and start
// hibernation. Wait for the power to be cut.
//
SetSavedState(&g_sConfigState);
HibernateWakeSet(HIBERNATE_WAKE_PIN | HIBERNATE_WAKE_RTC);
HibernateRequest();
for(;;)
{
}
}
//
// If viewing instead of logging then request a repaint to keep
// the viewing window updated.
//
if(g_iLoggerState == eSTATE_VIEWING)
{
WidgetPaint(WIDGET_ROOT);
}
}
//
// If in the saving state, then save data from flash storage to
// USB stick.
//
if(g_iLoggerState == eSTATE_SAVING)
{
//
// Save data from flash to USB
//
FlashStoreSave();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If in the erasing state, then erase the data stored in flash.
//
if(g_iLoggerState == eSTATE_ERASING)
{
//
// Save data from flash to USB
//
FlashStoreErase();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If in the flash reporting state, then show the report of the amount
// of used and free flash memory.
//
if(g_iLoggerState == eSTATE_FREEFLASH)
{
//
// Report free flash space
//
FlashStoreReport();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If we are exiting the clock setting widget, that means that control
// needs to be given back to the menu system.
//
if(g_iLoggerState == eSTATE_CLOCKEXIT)
{
//
// Give the button event focus back to the menu system
//
g_ui32KeyFocusWidgetHandle = (uint32_t)&g_sMenuWidget;
//
// Send a button event to the menu widget that means the left
// key was pressed. This signals the menu widget to deactivate
// the current child widget (which was the clock setting wigdet).
// This will cause the menu widget to slide the clock set widget
// off the screen and resume control of the display.
//
SendWidgetKeyMessage(WIDGET_MSG_KEY_LEFT);
g_iLoggerState = eSTATE_IDLE;
}
//
// Process any new messages that are in the widget queue. This keeps
// the user interface running.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// The program main function. It performs initialization, then runs a loop to
// process USB activities and operate the user interface.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32DriveTimeout;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPULazyStackingEnable();
//
// Set the system clock to run at 50MHz from the PLL.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Configure the required pins for USB operation.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);
ROM_GPIOPinConfigure(GPIO_PG4_USB0EPEN);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTG_BASE, GPIO_PIN_4);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTL_BASE, GPIO_PIN_6 | GPIO_PIN_7);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Configure SysTick for a 100Hz interrupt.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / TICKS_PER_SECOND);
ROM_SysTickEnable();
ROM_SysTickIntEnable();
//
// Enable the uDMA controller and set up the control table base.
// The uDMA controller is used by the USB library.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
ROM_uDMAEnable();
ROM_uDMAControlBaseSet(g_psDMAControlTable);
//
// Enable Interrupts
//
ROM_IntMasterEnable();
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize the buttons driver.
//
ButtonsInit();
//
// Initialize two offscreen displays and assign the palette. These
// buffers are used by the slide menu widget to allow animation effects.
//
GrOffScreen4BPPInit(&g_sOffscreenDisplayA, g_pui8OffscreenBufA, 96, 64);
GrOffScreen4BPPPaletteSet(&g_sOffscreenDisplayA, g_pui32Palette, 0,
NUM_PALETTE_ENTRIES);
GrOffScreen4BPPInit(&g_sOffscreenDisplayB, g_pui8OffscreenBufB, 96, 64);
GrOffScreen4BPPPaletteSet(&g_sOffscreenDisplayB, g_pui32Palette, 0,
NUM_PALETTE_ENTRIES);
//
// Show an initial status screen
//
g_pcStatusLines[0] = "Waiting";
g_pcStatusLines[1] = "for device";
ShowStatusScreen(g_pcStatusLines, 2);
//
// Add the compile-time defined widgets to the widget tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sFileMenuWidget);
//
// 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_pui8HCDPool, HCD_MEMORY_SIZE);
//
// Initialize the file system.
//
FileInit();
//
// Enter an infinite loop to run the user interface and process USB
// events.
//
while(1)
{
uint32_t ui32LastTickCount = 0;
//
// Call the USB stack to keep it running.
//
USBHCDMain();
//
// Process any messages in the widget message queue. This keeps the
// display UI running.
//
WidgetMessageQueueProcess();
//
// Take action based on the application state.
//
switch(g_eState)
{
//
// A device has enumerated.
//
case STATE_DEVICE_ENUM:
{
//
// Check to see if the device is ready. If not then stay
// in this state and we will check it again on the next pass.
//
if(USBHMSCDriveReady(g_psMSCInstance) != 0)
{
//
// Wait about 500ms before attempting to check if the
// device is ready again.
//
ROM_SysCtlDelay(ROM_SysCtlClockGet()/(3));
//
// 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_pcCwdBuf[0] = '/';
g_pcCwdBuf[1] = 0;
//
// Set the initial directory level to the root
//
g_ui32Level = 0;
//
// We need to reset the indexes of the root menu to 0, so that
// it will start at the top of the file list, and reset the
// slide menu widget to start with the root menu.
//
g_psFileMenus[g_ui32Level].ui32CenterIndex = 0;
g_psFileMenus[g_ui32Level].ui32FocusIndex = 0;
SlideMenuMenuSet(&g_sFileMenuWidget, &g_psFileMenus[g_ui32Level]);
//
// Initiate a directory change to the root. This will
// populate a menu structure representing the root directory.
//
if(ProcessDirChange("/", g_ui32Level))
{
//
// 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;
//
// Request a repaint so the file menu will be shown
//
WidgetPaint(WIDGET_ROOT);
}
break;
}
//
// If there is no device then just wait for one.
//
case STATE_NO_DEVICE:
{
if(g_ui32Flags == FLAGS_DEVICE_PRESENT)
{
//
// Show waiting message on screen
//
g_pcStatusLines[0] = "Waiting";
g_pcStatusLines[1] = "for device";
ShowStatusScreen(g_pcStatusLines, 2);
//
// 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.
//
g_pcStatusLines[0] = "Unknown";
g_pcStatusLines[1] = "device";
ShowStatusScreen(g_pcStatusLines, 2);
}
//
// 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.
//
g_pcStatusLines[0] = "Device";
g_pcStatusLines[1] = "Timeout";
ShowStatusScreen(g_pcStatusLines, 2);
}
//
// Set the Device Present flag.
//
g_ui32Flags = FLAGS_DEVICE_PRESENT;
break;
}
//
// The device is ready and in use.
//
case STATE_DEVICE_READY:
{
//
// Process occurrence of timer tick. Check for user input
// once each tick.
//
if(g_ui32SysTickCount != ui32LastTickCount)
{
uint8_t ui8ButtonState;
uint8_t ui8ButtonChanged;
ui32LastTickCount = g_ui32SysTickCount;
//
// Get the current debounced state of the buttons.
//
ui8ButtonState = ButtonsPoll(&ui8ButtonChanged, 0);
//
// If select button or right button is pressed, then we
// are trying to descend into another directory
//
if(BUTTON_PRESSED(SELECT_BUTTON,
ui8ButtonState, ui8ButtonChanged) ||
BUTTON_PRESSED(RIGHT_BUTTON,
ui8ButtonState, ui8ButtonChanged))
{
uint32_t ui32NewLevel;
uint32_t ui32ItemIdx;
char *pcItemName;
//
// Get a pointer to the current menu for this CWD.
//
tSlideMenu *psMenu = &g_psFileMenus[g_ui32Level];
//
// Get the highlighted index in the current file list.
// This is the currently highlighted file or dir
// on the display. Then get the name of the file at
// this index.
//
ui32ItemIdx = SlideMenuFocusItemGet(psMenu);
pcItemName = psMenu->psSlideMenuItems[ui32ItemIdx].pcText;
//
// Make sure we are not yet past the maximum tree
// depth.
//
if(g_ui32Level < MAX_SUBDIR_DEPTH)
{
//
// Potential new level is one greater than the
// current level.
//
ui32NewLevel = g_ui32Level + 1;
//
// Process the directory change to the new
// directory. This function will populate a menu
// structure with the files and subdirs in the new
// directory.
//
if(ProcessDirChange(pcItemName, ui32NewLevel))
{
//
// If the change was successful, then update
// the level.
//
g_ui32Level = ui32NewLevel;
//
// Now that all the prep is done, send the
// KEY_RIGHT message to the widget and it will
// "slide" from the previous file list to the
// new file list of the CWD.
//
SendWidgetKeyMessage(WIDGET_MSG_KEY_RIGHT);
}
}
}
//
// If the UP button is pressed, just pass it to the widget
// which will handle scrolling the list of files.
//
if(BUTTON_PRESSED(UP_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_UP);
}
//
// If the DOWN button is pressed, just pass it to the widget
// which will handle scrolling the list of files.
//
if(BUTTON_PRESSED(DOWN_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_DOWN);
}
//
// If the LEFT button is pressed, then we are attempting
// to go up a level in the file system.
//
if(BUTTON_PRESSED(LEFT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
uint32_t ui32NewLevel;
//
// Make sure we are not already at the top of the
// directory tree (at root).
//
if(g_ui32Level)
{
//
// Potential new level is one less than the
// current level.
//
ui32NewLevel = g_ui32Level - 1;
//
// Process the directory change to the new
// directory. This function will populate a menu
// structure with the files and subdirs in the new
// directory.
//
if(ProcessDirChange("..", ui32NewLevel))
{
//
// If the change was successful, then update
// the level.
//
g_ui32Level = ui32NewLevel;
//
// Now that all the prep is done, send the
// KEY_LEFT message to the widget and it will
// "slide" from the previous file list to the
// new file list of the CWD.
//
SendWidgetKeyMessage(WIDGET_MSG_KEY_LEFT);
}
}
}
}
break;
}
//
// Something has caused a power fault.
//
case STATE_POWER_FAULT:
{
//
// Clear the screen and show a power fault indication.
//
g_pcStatusLines[0] = "Power";
g_pcStatusLines[1] = "fault";
ShowStatusScreen(g_pcStatusLines, 2);
break;
}
default:
{
break;
}
}
}
}
