/**
* \brief Application entry point for PWM with PDC example.
*
* Outputs a PWM on LED1.
* Channel #0 is configured as synchronous channels.
* The update of the duty cycle values is made automatically by the Peripheral DMA Controller.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uint32_t i;
/* Disable watchdog */
WDT_Disable( WDT ) ;
/* Enable I and D cache */
SCB_EnableICache();
SCB_EnableDCache();
/* Output example information */
printf("-- PWM with DMA Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* PIO configuration */
PIO_Configure(pinPwm, PIO_LISTSIZE(pinPwm));
for (i= 0; i< DUTY_BUFFER_LENGTH; i++) dwDutys[i] = i/2;
/* Enable PWMC peripheral clock */
PMC_EnablePeripheral(ID_PWM0);
/* Configure interrupt for PWM transfer */
NVIC_DisableIRQ(PWM0_IRQn);
NVIC_ClearPendingIRQ(PWM0_IRQn);
NVIC_SetPriority(PWM0_IRQn, 0);
/* Configure DMA channel for PWM transfer */
_ConfigureDma();
/* Set clock A to run at PWM_FREQUENCY * MAX_DUTY_CYCLE (clock B is not used) */
PWMC_ConfigureClocks(PWM0, PWM_FREQUENCY * MAX_DUTY_CYCLE , 0, BOARD_MCK);
/* Configure PWMC channel for LED0 (left-aligned, enable dead time generator) */
PWMC_ConfigureChannel( PWM0,
0, /* channel */
PWM_CMR_CPRE_CLKA, /* prescaler, CLKA */
0, /* alignment */
0 /* polarity */
);
PWMC_ConfigureSyncChannel(PWM0,
(1 << CHANNEL_PWM_LED0), /* Define the synchronous channels by the bits SYNCx */
PWM_SCM_UPDM_MODE2, /* Select the manual write of duty-cycle values and the automatic update by setting the field UPDM to 鈥�1鈥� */
0,
0);
/* Configure channel 0 period */
PWMC_SetPeriod(PWM0, 0, DUTY_BUFFER_LENGTH);
/* Configure channel 0 duty cycle */
PWMC_SetDutyCycle(PWM0, 0, MIN_DUTY_CYCLE);
/* Define the update period by the field UPR in the PWM_SCUP register*/
PWMC_SetSyncChannelUpdatePeriod(PWM0, 8);
/* Enable the synchronous channels by writing CHID0 in the PWM_ENA register */
PWMC_EnableChannel(PWM0, 0);
/* Enable PWM interrupt */
PWMC_EnableIt(PWM0, 0, PWM_IER2_WRDY);
NVIC_EnableIRQ(PWM0_IRQn);
_PwmDmaTransfer();
while(1);
}
/*! \brief Main function. Execution starts here.
*/
int main(void)
{
uint8_t isUsbConnected = 0;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
/* Output example information */
printf("-- USB Device CDC Serial Project %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__ ,
COMPILER_NAME);
/* Initialize PIO interrupts */
PIO_InitializeInterrupts(0);
/* Interrupt priority */
NVIC_SetPriority(USBHS_IRQn, 2);
/* Configure DMA driver */
_ConfigureDma();
/* Configure USART */
_ConfigureUsart();
_UsartDmaRxSetup();
/* Initialize OTG clocks */
_ConfigureUotghs();
/* CDC serial driver initialization */
CDCDSerialDriver_Initialize(&cdcdSerialDriverDescriptors);
/* Help information */
_DebugHelp();
// Start USB stack to authorize VBus monitoring
USBD_Connect();
/* Driver loop */
while (1) {
/* Device is not configured */
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (isUsbConnected) {
isUsbConnected = 0;
isCdcSerialON = 0;
}
} else if (isUsbConnected == 0)
isUsbConnected = 1;
/* Serial port ON/OFF */
if (CDCDSerialDriver_GetControlLineState() & CDCControlLineState_DTR) {
if (!isCdcSerialON) {
isCdcSerialON = 1;
/* Start receiving data on the USART */
_UsartDmaRx();
USART_EnableIt(BASE_USART, US_CSR_FRAME | US_CSR_OVRE | US_IER_TIMEOUT);
USART_EnableRecvTimeOut(BASE_USART, USART_TIMEOUT);
/* Start receiving data on the USB */
CDCDSerialDriver_Read(usbBuffer,
DATAPACKETSIZE,
(TransferCallback) _UsbDataReceived,
0);
}
} else if (isCdcSerialON)
isCdcSerialON = 0;
if (DBG_IsRxReady()) {
uint8_t key = DBG_GetChar();
/* ESC: CDC Echo ON/OFF */
if (key == 27) {
printf("** CDC Echo %s\n\r",
isCdcEchoON ? "OFF" : "ON");
isCdcEchoON = !isCdcEchoON;
}
/* 't': Test CDC writing */
else if (key == 't')
_SendText();
else {
printf("Alive\n\r");
while (CDCDSerialDriver_Write((char *)"Alive\n\r", 8, 0, 0)
!= USBD_STATUS_SUCCESS);
_DebugHelp();
}
}
}
}
/**
* \brief Application entry point.
*
* \return Unused (ANSI-C compatibility).
*/
extern int main(void)
{
uint8_t ucKey;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
/* Output example information */
printf("-- USART LON Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__, COMPILER_NAME);
/* Configure pins */
PIO_Configure(pins, PIO_LISTSIZE(pins));
/* PB4 function selected */
MATRIX->MATRIX_WPMR = MATRIX_WPMR_WPKEY_PASSWD;
MATRIX->CCFG_SYSIO |= CCFG_SYSIO_SYSIO4;
/* Display menu */
_DisplayMenu();
/* Configure DMA with IRQ */
_ConfigureDma();
Buffer[0] = sizeof(palette) - 1; /* LON Data Length: */
Buffer[1] = US_LONL2HDR_BLI(2);
memcpy(&Buffer[2], palette, sizeof(palette));
/* configure USART in LON mode*/
_ConfigureUsart();
NVIC_EnableIRQ(XDMAC_IRQn);
while (1) {
ucKey = DBG_GetChar();
switch (ucKey) {
case 't':
case 'T':
printf("-I- LON Transmitting ... \n\r");
USART->US_CR = US_CR_RSTSTA; /* Reset Status Bits */
_DmaUsartTx();
while (!transDone);
printf("-I- LON Transmitting completed \n\r");
transDone = 0;
break;
case 'r':
case 'R':
printf("-I- LON receiving ... \n\r");
USART->US_CR = US_CR_RSTSTA; /* Reset Status Bits */
recvDone = 0;
_DmaUsartRx();
while (!recvDone);
/* successfully received */
_DumpInfo(pRecvBufferUSART, BUFFER_SIZE - 1);
printf("\n\r-I- LON Receiving completed \n\r");
memset(pRecvBufferUSART, 0, sizeof(pRecvBufferUSART));
break;
case 'm':
case 'M':
_DisplayMenu();
break;
}
}
}
/**
* \brief usb_iad_hid_aud Application entry point.
*
* Starts the driver and waits for an audio input stream to forward to the DAC.
*/
int main(void)
{
volatile uint8_t usbConn = 0;
volatile uint8_t audioOn = 0;
int32_t numDiff = 0, prevDiff = 0;
int8_t clockAdjust = 0;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
printf("-- USB HID + Audio Device Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__ ,
COMPILER_NAME);
TimeTick_Configure();
/* Interrupt priority */
NVIC_SetPriority(USBHS_IRQn, 2);
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0);
/* Initialize all USB power (off) */
_ConfigureUsbhs();
/* ----- HID Function Initialize */
#ifdef NO_PUSHBUTTON
printf("-- : DBG key 1 2 used as buttons\n\r");
printf("-- : 1st press to push, 2nd press to release\n\r");
#else
/* Initialize key statuses and configure push buttons */
PIO_Configure(pinsPushButtons, PIO_LISTSIZE(pinsPushButtons));
#endif
memset(keyStatus, 1, NUM_KEYS);
//LED_Configure(LED_NUMLOCK);
/* Audio STREAM LED */
LED_Configure(USBD_LEDOTHER);
/* Configure Audio */
_ConfigureAudioPlay(AUDDevice_SAMPLERATE, BOARD_MCK);
/* Configure DMA */
_ConfigureDma();
/* USB audio driver initialization */
HIDAUDDDriver_Initialize(&hidauddDriverDescriptors);
/* connect if needed */
USBD_Connect();
/* Infinite loop */
while (1) {
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
usbConn = 0;
continue;
}
if (audioOn) {
if (isDacActive == 0) {
AudioPlayEnable(0);
printf("audE ");
isFirstFrame = 1;
audioOn = 0;
} else {
numDiff = numBuffersToSend - DAC_DELAY;
if (prevDiff != numDiff) {
prevDiff = numDiff;
if (numDiff > 1 && clockAdjust != 1) {
printf("+");
/* USB too fast or SSC too slow: faster clock */
clockAdjust = 1;
_SyncAdjust(1);
}
if (numDiff < -1 && clockAdjust != -1) {
printf("-");
/* USB too slow or SSC too fast: slower clock */
clockAdjust = -1;
_SyncAdjust(-1);
}
if (numDiff == 0 && clockAdjust != 0) {
clockAdjust = 0;
_SyncAdjust(0);
}
}
}
} else if (isDacActive) {
printf("audS ");
audioOn = 1;
}
if (usbConn == 0) {
usbConn = 1;
/* Start Reading the incoming audio stream */
AUDDFunction_Read(buffers[inBufferIndex],
AUDDevice_BYTESPERFRAME,
(TransferCallback) FrameReceived,
0); // No optional argument
}
HIDDKeyboardProcessKeys();
}
}