void composite_device_init()
{
tUSBDMSCDevice *psDevice;
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
g_psCompDevices[0].pvInstance =
USBDMSCInit(0, (tUSBDMSCDevice *)&g_sMSCDevice);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
backUpCompDevices[0].pvInstance = g_psCompDevices[0].pvInstance;
//
// Set the USB stack mode to Device mode with VBUS monitoring.
//
USBStackModeSet(0, USB_MODE_DEVICE, 0);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
psDevice = g_psCompDevices[0].pvInstance;
store = psDevice->psPrivateData->pvMedia; //make a copy of the media to restore later
}
//****************************************************************************
//
// This is the main loop that runs the application.
//
//****************************************************************************
int
main(void)
{
//
// Set the clocking to run from the PLL at 50MHz.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Set the system tick to fire 100 times per second.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / SYSTICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
g_psCompDevices[0].pvInstance =
USBDHIDMouseCompositeInit(0, (tUSBDHIDMouseDevice *)&g_sMouseDevice);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
//
// Set the USB stack mode to Device mode with VBUS monitoring.
//
USBStackModeSet(0, USB_MODE_DEVICE, 0);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
//
// Initialize the mouse and serial devices.
//
MouseInit();
SerialInit();
//
// Drop into the main loop.
//
while(1)
{
//
// Allow the main mouse routine to run.
//
MouseMain();
//
// Allow the main serial routine to run.
//
SerialMain();
}
}
/* Initialise the USB bulk device */
void usb_init()
{
/* Zero status variables */
USBConfigured = 0;
USBDataAvail = 0;
/* USB module clock enable */
USB0ModuleClkConfig();
/* Registering the Interrupt Service Routine (ISR) */
IntRegister(SYS_INT_USB0, USB0DeviceIntHandler);
/* Setting the priority for the system interrupt in AINTC - set it high to allow USB to be prempted */
IntPrioritySet(SYS_INT_USB0, 127, AINTC_HOSTINT_ROUTE_IRQ);
/* Enabling the system interrupt in AINTC */
IntSystemEnable(SYS_INT_USB0);
/* Enable the delay timer */
DelayTimerSetup();
/* Initialize the transmit and receive buffers */
USBBufferInit((tUSBBuffer *)&g_sTxBulkBuffer);
USBBufferInit((tUSBBuffer *)&g_sRxBulkBuffer);
USBBufferInit((tUSBBuffer *)&g_sTxCDCBuffer);
USBBufferInit((tUSBBuffer *)&g_sRxCDCBuffer);
/* Register the two instances */
g_psCompDevices[0].pvInstance =
USBDBulkCompositeInit(0, (tUSBDBulkDevice *)&g_sBulkDevice);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
/* Register our device and place it on the bus */
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
int
main(void)
{
//
// Turn on stacking of FPU registers if FPU is used in the ISR.
//
FPULazyStackingEnable();
//
// Set the clocking to run from the PLL at 40MHz.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_5 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Set the system tick to fire 100 times per second.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / SYSTICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Enable the Debug UART.
//
ConfigureUART();
//
// Print the welcome message to the terminal.
//
UARTprintf("\033[2JAir Mouse Application\n");
//
// Configure desired interrupt priorities. This makes certain that the DCM
// is fed data at a consistent rate. Lower numbers equal higher priority.
//
ROM_IntPrioritySet(INT_I2C3, 0x00);
ROM_IntPrioritySet(INT_GPIOB, 0x10);
ROM_IntPrioritySet(FAULT_SYSTICK, 0x20);
ROM_IntPrioritySet(INT_UART1, 0x60);
ROM_IntPrioritySet(INT_UART0, 0x70);
ROM_IntPrioritySet(INT_WTIMER5B, 0x80);
//
// Configure the USB D+ and D- pins.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTD_BASE, GPIO_PIN_5 | GPIO_PIN_4);
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
USBDHIDMouseCompositeInit(0, &g_sMouseDevice, &g_psCompDevices[0]);
USBDHIDKeyboardCompositeInit(0, &g_sKeyboardDevice, &g_psCompDevices[1]);
//
// Set the USB stack mode to Force Device mode.
//
USBStackModeSet(0, eUSBModeForceDevice, 0);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pui8DescriptorData);
//
// User Interface Init
//
ButtonsInit();
RGBInit(0);
RGBEnable();
//
// Initialize the motion sub system.
//
MotionInit();
//
// Initialize the Radio Systems.
//
LPRFInit();
//
// Drop into the main loop.
//
while(1)
{
//
// Check for and handle timer tick events.
//
if(HWREGBITW(&g_ui32Events, USB_TICK_EVENT) == 1)
{
//
// Clear the Tick event flag. Set in SysTick interrupt handler.
//
HWREGBITW(&g_ui32Events, USB_TICK_EVENT) = 0;
//
// Each tick period handle wired mouse and keyboard.
//
if(HWREGBITW(&g_ui32USBFlags, FLAG_CONNECTED) == 1)
{
MouseMoveHandler();
KeyboardMain();
}
}
//
// Check for LPRF tick events. LPRF Ticks are slower since UART to
// RNP is much slower data connection than the USB.
//
if(HWREGBITW(&g_ui32Events, LPRF_TICK_EVENT) == 1)
{
//
// Clear the event flag.
//
HWREGBITW(&g_ui32Events, LPRF_TICK_EVENT) = 0;
//
// Perform the LPRF Main task handling
//
LPRFMain();
}
//
// Check for and handle motion events.
//
if((HWREGBITW(&g_ui32Events, MOTION_EVENT) == 1) ||
(HWREGBITW(&g_ui32Events, MOTION_ERROR_EVENT) == 1))
{
//
// Clear the motion event flag. Set in the Motion I2C interrupt
// handler when an I2C transaction to get sensor data is complete.
//
HWREGBITW(&g_ui32Events, MOTION_EVENT) = 0;
//
// Process the motion data that has been captured
//
MotionMain();
}
}
}
/*****************************************************************************
*
* This is the main loop that runs the application.
*
*****************************************************************************/
int main(void)
{
tRectangle sRect;
MMUConfigAndEnable();
/* Enable USB module clock */
USB0ModuleClkConfig();
/* configures arm interrupt controller to generate raster interrupt */
USBInterruptEnable();
/* LCD Back light setup */
LCDBackLightEnable();
/* UPD Pin setup */
UPDNPinControl();
/* Delay timer setup */
DelayTimerSetup();
/* Configures raster to display image */
SetUpLCD();
/* Configures raster to display image and Copy palette info into buffer */
LCDInit();
GrOffScreen24BPPInit(&g_s35_800x480x24Display, g_pucBuffer, LCD_WIDTH, LCD_HEIGHT);
/* Initialize a drawing context. */
GrContextInit(&g_sContext, &g_s35_800x480x24Display);
/* enable End of frame interrupt */
RasterEndOfFrameIntEnable(SOC_LCDC_0_REGS);
/* enable raster */
RasterEnable(SOC_LCDC_0_REGS);
/* Fill the top 24 rows of the screen with blue to create the banner. */
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = (MAX_ROW_NUM - 1);
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
/* Put a white box around the banner. */
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
/* Put the application name in the middle of the banner. */
GrContextFontSet(&g_sContext, &g_sFontCm20);
GrStringDrawCentered(&g_sContext, "usb-dev-composite", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 10, 0);
/* Show the various static text elements on the color STN display. */
GrContextFontSet(&g_sContext, TEXT_FONT);
GrContextForegroundSet(&g_sContext, ClrViolet);
GrStringDraw(&g_sContext, "CDC Serial 1 :-", -1, CDC1_STR_X_POSITION,
CDC1_STR_Y_POSITION, false);
GrStringDraw(&g_sContext, "CDC Serial 2 :-", -1, CDC2_STR_X_POSITION,
CDC1_STR_Y_POSITION, false);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrStringDraw(&g_sContext, "Tx bytes:", -1, CDC1_STR_X_POSITION,
(CDC1_STR_Y_POSITION + CDC_STR_Y_DIFF), false);
GrStringDraw(&g_sContext, "Tx buffer:", -1, CDC1_STR_X_POSITION,
(CDC1_STR_Y_POSITION + (CDC_STR_Y_DIFF * 2)), false);
GrStringDraw(&g_sContext, "Rx bytes:", -1, CDC1_STR_X_POSITION,
(CDC1_STR_Y_POSITION + (CDC_STR_Y_DIFF * 4)), false);
GrStringDraw(&g_sContext, "Rx buffer:", -1, CDC1_STR_X_POSITION,
(CDC1_STR_Y_POSITION + (CDC_STR_Y_DIFF * 5)), false);
DrawBufferMeter(&g_sContext, CDC1_BUF_METER_X_POS, CDC1_BUF_METER_Y_POS);
DrawBufferMeter(&g_sContext, CDC1_BUF_METER_X_POS,
(CDC1_BUF_METER_Y_POS + CDC_BUF_METER_Y_DIFF));
GrStringDraw(&g_sContext, "Tx bytes:", -1, CDC2_STR_X_POSITION,
(CDC2_STR_Y_POSITION + CDC_STR_Y_DIFF), false);
GrStringDraw(&g_sContext, "Tx buffer:", -1, CDC2_STR_X_POSITION,
(CDC2_STR_Y_POSITION + (CDC_STR_Y_DIFF * 2)), false);
GrStringDraw(&g_sContext, "Rx bytes:", -1, CDC2_STR_X_POSITION,
(CDC2_STR_Y_POSITION + (CDC_STR_Y_DIFF * 4)), false);
GrStringDraw(&g_sContext, "Rx buffer:", -1, CDC2_STR_X_POSITION,
(CDC2_STR_Y_POSITION + (CDC_STR_Y_DIFF * 5)), false);
DrawBufferMeter(&g_sContext, CDC2_BUF_METER_X_POS, CDC2_BUF_METER_Y_POS);
DrawBufferMeter(&g_sContext, CDC2_BUF_METER_X_POS,
(CDC2_BUF_METER_Y_POS + CDC_BUF_METER_Y_DIFF));
DisplayStatus(&g_sContext, " Waiting for host... ");
/* Pass the USB library our device information, initialize the USB
controller and connect the device to the bus.
*/
g_psCompDevices[0].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice1);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice2);
/*
Pass the device information to the USB library and place the device
on the bus.
*/
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
/* Initialize the serial devices. */
SerialInit();
/* Drop into the main loop. */
while(1)
{
/* Allow the main serial routine to run. */
SerialMain();
}
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
int
main(void)
{
tRectangle sRect;
//
// Set the clocking to run directly from the crystal.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Set the device pinout appropriately for this board.
//
PinoutSet();
#ifdef DEBUG
//
// Open UART0 for debug output.
//
UARTStdioInit(0);
#endif
//
// Set the system tick to fire 100 times per second.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / SYSTICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKitronix320x240x16_SSD2119);
//
// Fill the top 24 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = 23;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, g_pFontCm20);
GrStringDrawCentered(&g_sContext, "boot-demo-usb", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 10, 0);
//
// Draw the buttons in their initial (unpressed)state.
//
UpdateDisplay(g_ucButtons, true);
//
// Initialize each of the device instances that will form our composite
// USB device.
//
g_sCompDevice.psDevices[0].pvInstance =
USBDHIDMouseCompositeInit(0, (tUSBDHIDMouseDevice *)&g_sMouseDevice);
g_sCompDevice.psDevices[1].pvInstance =
USBDDFUCompositeInit(0, (tUSBDDFUDevice *)&g_sDFUDevice);
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_BUFFER_SIZE,
g_pcDescriptorBuffer);
//
// Initialize the touch screen driver.
//
TouchScreenInit();
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(MouseTouchHandler);
//
// Drop into the main loop.
//
while(!g_bUpdateSignalled)
{
//
// Tell the user what we are doing.
//
GrContextFontSet(&g_sContext, g_pFontCmss22b);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrStringDrawCentered(&g_sContext, " Waiting for host... ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 40, true);
//
// Wait for USB configuration to complete.
//
while(!g_bConnected)
{
}
//
// Update the status.
//
GrStringDrawCentered(&g_sContext, " Host connected... ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 40, true);
//
// Now keep processing the mouse as long as the host is connected and
// we've not been told to prepare for a firmware upgrade.
//
while(g_bConnected && !g_bUpdateSignalled)
{
//
// If it is time to check the touchscreen state then do so.
//
if(g_ulCommands & TOUCH_TICK_EVENT)
{
g_ulCommands &= ~TOUCH_TICK_EVENT;
TouchHandler();
}
}
//
// If we drop out of the previous loop, either the host has
// disconnected or a firmware upgrade has been signalled.
//
}
//
// Tell the user what's going on.
//
GrContextFontSet(&g_sContext, g_pFontCmss22b);
GrStringDrawCentered(&g_sContext, " Switching to DFU mode ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 40, true);
//
// If we get here, a firmware upgrade has been signalled so we need to get
// back into the boot loader to allow this to happen. Call the USB DFU
// device class to do this for us. Note that this function never returns.
//
USBDDFUUpdateBegin();
}
//****************************************************************************
//
// This is the main loop that runs the application.
//
//****************************************************************************
int
main(void)
{
//
// Set the clocking to run from the PLL at 50MHz.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Set the system tick to fire 100 times per second.
//
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / SYSTICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Configure and enable uDMA
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
SysCtlDelay(10);
ROM_uDMAControlBaseSet(&sDMAControlTable[0]);
ROM_uDMAEnable();
//
// Initialize the idle timeout and reset all flags.
//
g_ulIdleTimeout = 0;
g_ulFlags = 0;
g_eMSCState = MSC_DEV_DISCONNECTED;
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
g_psCompDevices[0].pvInstance =
USBDMSCInit(0, (tUSBDMSCDevice *)&g_sMSCDevice);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
//
// Set the USB stack mode to Device mode with VBUS monitoring.
//
USBStackModeSet(0, USB_MODE_DEVICE, 0);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
SerialInit();
disk_initialize(0);
//
// Drop into the main loop.
//
while(1)
{
//
// Allow the main serial routine to run.
//
SerialMain();
switch(g_eMSCState)
{
case MSC_DEV_READ:
{
//
// Update the screen if necessary.
//
if(g_ulFlags & FLAG_UPDATE_STATUS)
{
g_ulFlags &= ~FLAG_UPDATE_STATUS;
}
//
// If there is no activity then return to the idle state.
//
if(g_ulIdleTimeout == 0)
{
g_eMSCState = MSC_DEV_IDLE;
}
break;
}
case MSC_DEV_WRITE:
{
//
// Update the screen if necessary.
//
if(g_ulFlags & FLAG_UPDATE_STATUS)
{
g_ulFlags &= ~FLAG_UPDATE_STATUS;
}
//
// If there is no activity then return to the idle state.
//
if(g_ulIdleTimeout == 0)
{
g_eMSCState = MSC_DEV_IDLE;
}
break;
}
case MSC_DEV_DISCONNECTED:
{
//
// Update the screen if necessary.
//
if(g_ulFlags & FLAG_UPDATE_STATUS)
{
g_ulFlags &= ~FLAG_UPDATE_STATUS;
}
break;
}
case MSC_DEV_IDLE:
{
break;
}
default:
{
break;
}
}
}
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
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 touch screen driver.
//
TouchScreenInit(ui32SysClock);
//
// Set the touch screen event handler.
//
TouchScreenCallbackSet(UITouchCallback);
//
// Set the system tick to fire 100 times per second.
//
ROM_SysTickPeriodSet(ui32SysClock / SYSTICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
//
// Initialize the USB stack for device mode.
//
USBStackModeSet(0, eUSBModeDevice, 0);
//
// Initialize the USB keyboard interface.
//
USBKeyboardInit();
//
// Initialize the USB mouse interface.
//
USBMouseInit();
//
// Call the composite device initialization for both the mouse and
// keyboard.
//
USBDHIDMouseCompositeInit(0, &g_sMouseDevice, &g_psCompDevices[0]);
USBDHIDKeyboardCompositeInit(0, &g_sKeyboardDevice, &g_psCompDevices[1]);
//
// Pass the device information to the USB library and place the device
// on the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pui8DescriptorData);
//
// Initialize the user interface.
//
UIInit();
while(1) {
//
// Run the main loop for the user interface.
//
UIMain();
}
}
int main(void) {
int i;
uint8_t data[64];
// 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 from the PLL at 50MHz.
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
// Enable the GPIO peripheral used for USB, and configure the USB
// pins.
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
ROM_GPIOPinTypeUSBAnalog(GPIO_PORTD_BASE, GPIO_PIN_4 | GPIO_PIN_5);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_1 + GPIO_PIN_2 + GPIO_PIN_3);
ROM_GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_1 + GPIO_PIN_2 + GPIO_PIN_3, 0);
// Init diagnostic
diagnostic_clear_eventhistory();
// Init UART
ConfigureUART();
// Print welcome message
UARTprintf("Configuring USB\n");
//------------------------------------------------------
// // Set the USB stack mode to Device mode with VBUS monitoring.
// USBStackModeSet(0, eUSBModeForceDevice, 0);
//
// // Pass our device information to the USB library and place the device
// // on the bus.
// USBDHIDInit(0, &hiddatapipe_device);
//------------------------------------------------------
USBStackModeSet(0, eUSBModeForceDevice, 0);
USBDHIDCompositeInit(0, &hiddatapipe_device, &(composite_device.psDevices[0]));
USBDDFUCompositeInit(0, &dfu_device, &(composite_device.psDevices[1]));
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
USBDCompositeInit(0, &composite_device, DESCRIPTOR_BUFFER_SIZE, composite_descriptorbuffer);
// Block until connected
while (!usbstate.connected)
;
// Configure SysTick
ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / 1000); // 1 ms
ROM_SysTickEnable();
ROM_SysTickIntEnable();
// enable first IN report by clearing USB tx complete
usbstate.txcomplete = 1;
while(1) {
// uncomment this if event history log is needed
// if (events.print_history == true)
// diagnostic_print_eventhistory();
// usbstate.txcomplete flag was set to 1 by txhandler after usbdhidreportwrite had succeeded
if (usbstate.txcomplete && usbstate.txdataupdated) {
// clear usbstate.txcomplete flag to indicate that usbdhidreportwrite is busy
usbstate.txcomplete = 0;
usbstate.txdataupdated = 0;
// put data (1 byte in this case) into the usb pipeline and the host will poll&read it
// the polling rate is defined in the interrupt IN endpoint descriptor
data[0] = txdata.buffer[0]; // temp buffer to avoid update change of txdata.buffer between the next 2 calls
USBDHIDReportWrite(&hiddatapipe_device, data, 1, 0);
UARTprintf("Sending irq IN to host: %d\n", data[0]);
}
if (usbstate.hostsentreport) {
// clear hostsentreport flag
usbstate.hostsentreport = 0;
for (i = 0; i < HID_REPORTOUT_SIZE; i++) {
UARTprintf("Received OUT report from host: %02x\n", rxdata.buffer[i]);
rxdata.buffer[i] = 0;
}
}
}
}
//*****************************************************************************
//
// This is the main loop that runs the application.
//
//*****************************************************************************
int
main(void)
{
tRectangle sRect;
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Enable the USB mux GPIO.
//
SysCtlPeripheralEnable(USB_MUX_GPIO_PERIPH);
//
// The LM3S3748 board uses a USB mux that must be switched to use the
// host connector and not the device connecter.
//
GPIOPinTypeGPIOOutput(USB_MUX_GPIO_BASE, USB_MUX_GPIO_PIN);
GPIOPinWrite(USB_MUX_GPIO_BASE, USB_MUX_GPIO_PIN, USB_MUX_SEL_DEVICE);
#ifdef DEBUG
//
// Configure the relevant pins such that UART0 owns them.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Open UART0 for debug output.
//
UARTStdioInit(0);
#endif
//
// Initialize the pushbuttons.
//
ButtonsInit();
ButtonsSetAutoRepeat((LEFT_BUTTON | RIGHT_BUTTON | UP_BUTTON |
DOWN_BUTTON), 0, 2);
//
// Set the system tick to fire 100 times per second.
//
SysTickPeriodSet(SysCtlClockGet() / SYSTICKS_PER_SECOND);
SysTickIntEnable();
SysTickEnable();
//
// Initialize the display driver.
//
Formike128x128x16Init();
//
// Turn on the backlight.
//
Formike128x128x16BacklightOn();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sFormike128x128x16);
//
// Fill the top 15 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = 14;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, g_pFontFixed6x8);
GrStringDrawCentered(&g_sContext, "boot_demo_usb", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 7, 0);
//
// Initialize each of the device instances that will form our composite
// USB device.
//
g_sCompDevice.psDevices[0].pvInstance =
USBDHIDMouseCompositeInit(0, (tUSBDHIDMouseDevice *)&g_sMouseDevice);
g_sCompDevice.psDevices[1].pvInstance =
USBDDFUCompositeInit(0, (tUSBDDFUDevice *)&g_sDFUDevice);
//
// Pass the USB library our device information, initialize the USB
// controller and connect the device to the bus.
//
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_BUFFER_SIZE,
g_pcDescriptorBuffer);
//
// Drop into the main loop.
//
while(!g_bUpdateSignalled)
{
//
// Fill all but the top 15 rows of the screen with black to erase the
// previous status.
//
sRect.sXMin = 0;
sRect.sYMin = 15;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = GrContextDpyHeightGet(&g_sContext) - 1;
GrContextForegroundSet(&g_sContext, ClrBlack);
GrRectFill(&g_sContext, &sRect);
//
// Tell the user what we are doing.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrStringDrawCentered(&g_sContext, "Waiting for host...", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 24, true);
//
// Wait for USB configuration to complete.
//
while(!g_bConnected)
{
}
//
// Update the status.
//
GrStringDrawCentered(&g_sContext, " Host connected... ", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 24, true);
//
// Now keep processing the mouse as long as the host is connected.
//
while(g_bConnected && !g_bUpdateSignalled)
{
//
// If it is time to check the button state then do so.
//
if(g_ulCommands & BUTTON_TICK_EVENT)
{
g_ulCommands &= ~BUTTON_TICK_EVENT;
ButtonHandler();
}
}
//
// If we drop out of the previous loop, the host has disconnected so
// go back and wait for a new connection.
//
}
//
// If we drop out of the main loop, the host has signalled that it wants us
// to switch into DFU mode in preparation for a firmware upgrade. First,
// let the user know what's going on.
//
GrStringDrawCentered(&g_sContext, "Entering DFU mode...", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 24, true);
//
// Call the USB DFU device class to tidy things up and transfer control to
// the boot loader for us. Note that this function never returns.
//
USBDDFUUpdateBegin();
}
/*****************************************************************************
*
* This is the main loop that runs the application.
*
*****************************************************************************/
int
main(void)
{
tRectangle sRect;
MMUConfigAndEnable();
/* Enable USB module clock */
USB0ModuleClkConfig();
/* Enable DM timer 3 module clock */
DMTimer3ModuleClkConfig();
/* Enbale touch screen module colock */
TSCADCModuleClkConfig();
/* Enable touch screen ADC pinmux */
TSCADCPinMuxSetUp();
/* configures arm interrupt controller to generate raster interrupt */
USBInterruptEnable();
/* LCD Back light setup */
LCDBackLightEnable();
/* UPD Pin setup */
UPDNPinControl();
/* Delay timer setup */
DelayTimerSetup();
/* Configures raster to display image */
SetUpLCD();
/* Register touch scren interrupt */
TouchIntRegister();
IntSystemEnable(SYS_INT_TINT3);
IntPrioritySet(SYS_INT_TINT3, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_ADC_TSC_GENINT);
IntPrioritySet(SYS_INT_ADC_TSC_GENINT, 0, AINTC_HOSTINT_ROUTE_IRQ);
/* Configures raster to display image and Copy palette info into buffer */
LCDInit();
GrOffScreen24BPPInit(&g_s35_480x272x24Display, g_pucBuffer, LCD_WIDTH, LCD_HEIGHT);
/* Initialize a drawing context. */
GrContextInit(&g_sContext, &g_s35_480x272x24Display);
/* enable End of frame interrupt */
RasterEndOfFrameIntEnable(SOC_LCDC_0_REGS);
/* enable raster */
RasterEnable(SOC_LCDC_0_REGS);
/* Fill the top 24 rows of the screen with blue to create the banner. */
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = (MAX_ROW_NUM - 1);
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
/* Put a white box around the banner. */
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
/* Put the application name in the middle of the banner. */
GrContextFontSet(&g_sContext, &g_sFontCm20);
GrStringDrawCentered(&g_sContext, "usb-dev-composite", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 10, 0);
sRect.sXMin = 0;
sRect.sYMin = (MAX_ROW_NUM + 1);
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = GrContextDpyHeightGet(&g_sContext) - BUTTON_HEIGHT - 2;
GrContextForegroundSet(&g_sContext, ClrBlack);
GrRectFill(&g_sContext, &sRect);
/* Put a white box around the banner. */
GrContextForegroundSet(&g_sContext, ClrRed);
GrRectDraw(&g_sContext, &sRect);
/* Draw the buttons in their initial (unpressed)state. */
UpdateDisplay(g_ucButtons, true);
/* Show the various static text elements on the color STN display. */
GrContextFontSet(&g_sContext, TEXT_FONT);
GrStringDraw(&g_sContext, "Tx bytes:", -1, CDC_STR_X_POSITION,
CDC_STR_Y_POSITION, false);
GrStringDraw(&g_sContext, "Tx buffer:", -1, CDC_STR_X_POSITION,
(CDC_STR_Y_POSITION + CDC_STR_Y_DIFF), false);
GrStringDraw(&g_sContext, "Rx bytes:", -1, CDC_STR_X_POSITION,
(CDC_STR_Y_POSITION + (CDC_STR_Y_DIFF * 3)), false);
GrStringDraw(&g_sContext, "Rx buffer:", -1, CDC_STR_X_POSITION,
(CDC_STR_Y_POSITION + (CDC_STR_Y_DIFF * 4)), false);
DrawBufferMeter(&g_sContext, BUFFER_METER_X_POS, BUFFER_METER_Y_POS);
DrawBufferMeter(&g_sContext, BUFFER_METER_X_POS,
(BUFFER_METER_Y_POS + CDC_BUF_METER_Y_DIFF));
/* Tell the user what we are up to. */
DisplayStatus(&g_sContext, " Waiting for host... ");
/* Initialize touch screen */
TouchInit();
/* Touch screen Interrupt enbale */
TouchIntEnable();
/* Touch Screen Enable */
TouchEnable();
/* Pass the USB library our device information, initialize the USB
controller and connect the device to the bus.
*/
g_psCompDevices[0].pvInstance =
USBDHIDMouseCompositeInit(0, (tUSBDHIDMouseDevice *)&g_sMouseDevice);
g_psCompDevices[1].pvInstance =
USBDCDCCompositeInit(0, (tUSBDCDCDevice *)&g_sCDCDevice);
/* Pass the device information to the USB library and place the device
on the bus.
*/
USBDCompositeInit(0, &g_sCompDevice, DESCRIPTOR_DATA_SIZE,
g_pucDescriptorData);
/* Initialize the mouse and serial devices. */
SerialInit();
/* Drop into the main loop. */
while(1)
{
/* Allow the main serial routine to run. */
SerialMain();
/* Allow the main mouse routine to run. */
MouseMain();
}
}
