/**
* Initializes drivers and start the USB CDCHID device.
*/
int main(void)
{
uint8_t usbConnected = 0, serialON = 0;
/* Disable watchdog */
WDT_Disable( WDT );
printf("-- USB CDCHID Device Project %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0);
/* If there is on board power, switch it off */
/* Enable UPLL for USB */
ConfigureUsbClock();
/* Configure timer 0 */
ConfigureTc0();
/* ----- CDC Function Initialize */
/* Configure USART */
ConfigureUsart();
/* ----- HID Function Initialize */
/* Initialize key statuses and configure push buttons */
PIO_Configure(pinsPushButtons, PIO_LISTSIZE(pinsPushButtons));
memset(keyStatus, 1, NUM_KEYS);
/* Configure LEDs */
LED_Configure(LED_NUMLOCK);
/* USB CDCHID driver initialization */
CDCHIDDDriver_Initialize(&cdchiddDriverDescriptors);
/* connect if needed */
VBus_Configure();
/* Driver loop */
while (1) {
/* Device is not configured */
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (usbConnected) {
printf("-I- USB Disconnect/Suspend\n\r");
usbConnected = 0;
/* Serial port closed */
isSerialPortON = 0;
}
}
else {
if (usbConnected == 0) {
printf("-I- USB Connect\n\r");
usbConnected = 1;
}
if (!serialON && isSerialPortON) {
printf("-I- SerialPort ON\n\r");
/* Start receiving data on the USART */
usartCurrentBuffer = 0;
USART_ReadBuffer(BASE_USART,
usartBuffers[0], DATABUFFERSIZE);
USART_ReadBuffer(BASE_USART,
usartBuffers[1], DATABUFFERSIZE);
BASE_USART->US_IER = US_CSR_ENDRX
| US_CSR_FRAME
| US_CSR_OVRE;
/* Start receiving data on the USB */
CDCDSerial_Read(usbSerialBuffer0,
DATABUFFERSIZE,
(TransferCallback) UsbDataReceived,
0);
serialON = 1;
}
else if (serialON && !isSerialPortON) {
printf("-I- SeriaoPort OFF\n\r");
serialON = 0;
}
HIDDKeyboardProcessKeys();
}
}
}
/**
* Initializes drivers and start the USB CDCMSD device.
*/
int main(void)
{
uint8_t usbConnected = 0, serialON = 0;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
printf("-- USB CDCMSD Device Project %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__ ,
COMPILER_NAME);
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0);
/* If there is on board power, switch it off */
_ConfigureUotghs();
/* ----- MSD Function Initialize */
/* Configure memories */
_MemoriesInitialize();
/* USB CDCMSD driver initialization */
CDCMSDDriver_Initialize(&cdcmsddDriverDescriptors, luns, MAX_LUNS);
/* connect if needed */
USBD_Connect();
/* Driver loop */
while (1) {
/* Device is not configured */
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (usbConnected) {
printf("-I- USB Disconnect/Suspend\n\r");
usbConnected = 0;
/* Serial port closed */
isSerialPortON = 0;
}
} else {
if (usbConnected == 0) {
printf("-I- USB Connect\n\r");
usbConnected = 1;
}
if (!serialON && isSerialPortON) {
printf("-I- SerialPort ON\n\r");
/* Start receiving data on the USART */
/* Start receiving data on the USB */
CDCDSerial_Read(usbSerialBuffer0, DATAPACKETSIZE, 0, 0);
serialON = 1;
} else if (serialON && !isSerialPortON) {
printf("-I- SeriaoPort OFF\n\r");
serialON = 0;
}
MSDFunction_StateMachine();
if (msdRefresh) {
msdRefresh = 0;
if (msdWriteTotal < 50 * 1000) {
/* Flush Disk Media */
}
msdWriteTotal = 0;
}
}
}
}
/*----------------------------------------------------------------------------
* Handles interrupts coming from USART
*----------------------------------------------------------------------------*/
void USART_Handler(void)
{
uint32_t status;
unsigned short serialState;
status = BASE_USART->US_CSR;
status &= BASE_USART->US_IMR;
/* If USB device is not configured, do nothing */
if (!isSerialPortON) {
BASE_USART->US_IDR = 0xFFFFFFFF;
return;
}
/* Buffer has been read successfully */
if ((status & US_CSR_ENDRX) != 0) {
/* Disable timer */
TC_Stop(TC0, 0);
/* Send buffer through the USB */
while (CDCDSerial_Write(usartBuffers[usartCurrentBuffer],
DATABUFFERSIZE, 0, 0) != USBD_STATUS_SUCCESS);
/* Restart read on buffer */
USART_ReadBuffer(BASE_USART,
usartBuffers[usartCurrentBuffer],
DATABUFFERSIZE);
usartCurrentBuffer = 1 - usartCurrentBuffer;
/* Restart timer */
TC_Start(TC0, 0);
}
/* Buffer has been sent */
if ((status & US_IER_TXBUFE) != 0) {
/* Restart USB read */
CDCDSerial_Read(usbSerialBuffer0,
DATABUFFERSIZE,
(TransferCallback) UsbDataReceived,
0);
BASE_USART->US_IDR = US_IER_TXBUFE;
}
/* Errors */
serialState = CDCDSerial_GetSerialState();
/* Overrun */
if ((status & US_CSR_OVRE) != 0) {
TRACE_WARNING( "USART1_IrqHandler: Overrun\n\r");
serialState |= CDCSerialState_OVERRUN;
}
/* Framing error */
if ((status & US_CSR_FRAME) != 0) {
TRACE_WARNING( "USART1_IrqHandler: Framing error\n\r");
serialState |= CDCSerialState_FRAMING;
}
CDCDSerial_SetSerialState(serialState);
}
