/**
* \brief usart-hard-handshaking Application entry point..
*
* Configures USART0 in hardware handshaking mode and
* Timer Counter 0 to generate an interrupt every second. Then, starts the first
* transfer on the USART and wait in an endless loop.
*
* \return Unused (ANSI-C compatibility).
* \callgraph
*/
extern int main( void )
{
/* Disable watchdog*/
WDT_Disable( WDT ) ;
/* Configure pins*/
PIO_Configure( pins, PIO_LISTSIZE( pins ) ) ;
/* Configure USART and display startup trace*/
_ConfigureUsart() ;
printf( "-- USART Hardware Handshaking Example %s --\n\r", SOFTPACK_VERSION ) ;
printf( "-- %s\n\r", BOARD_NAME ) ;
printf( "-- Compiled: %s %s --\n\r", __DATE__, __TIME__ ) ;
/* Configure TC0 to generate a 1s tick*/
_ConfigureTc0() ;
/* Start receiving data and start timer*/
USART_ReadBuffer( BOARD_USART_BASE, pBuffer, BUFFER_SIZE ) ;
BOARD_USART_BASE->US_IER = US_IER_RXBUFF ;
TC_Start( TC0, 0 ) ;
/* Infinite loop*/
while ( 1 ) ;
}
/**
* \brief usart-hw-handshaking Application entry point..
*
* Configures USART in hardware handshaking mode and
* Timer Counter 0 to generate an interrupt every second. Then, start the first
* transfer on the USART and wait in an endless loop.
*
* \return Unused (ANSI-C compatibility).
*/
int main( void )
{
char pbaud_time[8];
uint32_t BytesRead, BytesToRead, baudrate, timeout, TxBytesLeft;
uint8_t AppBufferRollOver = 0;
uint8_t *pTxBuff;
/* Disable watchdog*/
WDT_Disable(WDT);
printf("-- USART Hardware Handshaking Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__, COMPILER_NAME);
/* Enable I and D cache */
SCB_EnableICache();
SCB_EnableDCache();
/* Configure USART pins*/
PIO_Configure(pins, PIO_LISTSIZE(pins));
/* Configure systick for 1 ms. */
TimeTick_Configure();
NVIC_SetPriority(XDMAC_IRQn , XDMA_NVIC_PRIO);
printf("\n\rEnter required baudrate:");
gets(pbaud_time);
baudrate = (atoi(pbaud_time)) ? (atoi(pbaud_time)): 921600;
printf("\n\rEnter required timeout (in microsec):");
gets(pbaud_time);
timeout = atoi(pbaud_time);
if (timeout > 1000) {
timeout /= 1000;
timeout = ((timeout * baudrate) / 1000);
} else {
timeout = (timeout * baudrate) / 1000000;
}
timeout = (timeout) ? ((timeout > MAX_RX_TIMEOUT) ? MAX_RX_TIMEOUT : timeout) \
: MAX_RX_TIMEOUT;
printf("\n\r");
/* Configure USART */
_ConfigureUsart(baudrate, timeout);
printf("\n\r");
/*Enable Rx channel of USART */
USARTD_EnableRxChannels(&Usartd, &UsartRx);
#ifdef FULL_DUPLEX
/*Enable Tx channel of USART */
USARTD_EnableTxChannels(&Usartd, &UsartTx);
#endif
/* Start receiving data and start timer*/
USARTD_RcvData(&Usartd);
/*Initialize Ring buffer */
pUsartBuffer = (RignBuffer_t *)malloc(sizeof(RignBuffer_t));
_initCircularBuffer(pUsartBuffer);
pTxBuff = &FirstAppBuff[0];
TxBytesLeft = 0;
#ifdef USE_MD5_CHECK
md5_init(&pms);
#endif //USE_MD5_CHECK
#ifdef FULL_DUPLEX
printf( "\n\r-I- USART is in Full Duplex mode \n\r");
#else
printf( "\n\r-I- USART is in Half Duplex mode \n\r");
#endif
printf( "\n\r-I- Please send a file to serial port (USART0) \n\r");
BytesToRead = MIN_FREE_BYTES; // Bytes to read from ring-buffer
while (1) {
#ifdef USE_MD5_CHECK
if (DBG_IsRxReady()) {
ch = DBG_GetChar();
if (ch == 'm') {
uint8_t i;
md5_finish(&pms, md5);
printf("\r\nmd5:");
for (i = 0; i < sizeof(md5);i++)
printf("%.2x",md5[i]);
printf("\r\n");
md5_init(&pms);
TotalbytesReceived = 0;
}
}
#endif
/* Check Application buffer (100 KB)overflow */
if (((PingPongBufferFlag == 0) &&
(pTxBuff+BytesToRead) >= &FirstAppBuff[APP_BUFFER]) ||
(( PingPongBufferFlag == 1) && (pTxBuff+BytesToRead) >=
&SecondAppBuff[APP_BUFFER])) {
AppBufferRollOver = 1;
// Roll over and start copying to the beginning of Application buffer to avoid errors
if (PingPongBufferFlag)
BytesToRead = (&SecondAppBuff[APP_BUFFER] - pTxBuff);
else
BytesToRead = (&FirstAppBuff[APP_BUFFER] - pTxBuff);
memory_barrier();
}
/* Read ring buffer */
BytesRead = RingBufferRead(pUsartBuffer, pTxBuff, BytesToRead);
memory_sync();
TxBytesLeft += BytesRead; // number of bytes to send via USART Tx
#ifdef USE_MD5_CHECK
if (BytesRead > 0)
md5_append(&pms,pTxBuff,BytesRead);
#endif
/* check if one of the application buffer is full and ready to send */
if (AppBufferRollOver && (TxBytesLeft == APP_BUFFER)) {
AppBufferRollOver = 0;
TxBytesLeft = 0;
BytesRead = 0;
BytesToRead = MIN_FREE_BYTES; // Bytes to read from ring-buffer
while (!UsartTx.dmaProgress);
if (PingPongBufferFlag) {
PingPongBufferFlag = 0;
pTxBuff = &FirstAppBuff[0];
} else {
PingPongBufferFlag = 1;
pTxBuff = &SecondAppBuff[0];
}
memory_sync();
#ifdef FULL_DUPLEX
USARTD_SendData(&Usartd);
#endif
}
/* otherwise keep storing in same application buffer from Rx DMA's ring
buffer */
else {
BytesToRead = MIN_FREE_BYTES; // Bytes to read from ring-buffer
pTxBuff += BytesRead;
#ifdef FULL_DUPLEX
/* Check for Tx timeout, if there is timeout then send the bytes left
(less than 100 KB) in application buffer */
if ((GetDelayInTicks(TimeOutTimer, GetTicks()) == USART_TX_TIMEOUT)
&& TxBytesLeft) {
// wait for any eventual USART Tx in progress
while (!UsartTx.dmaProgress);
FlushTxBuffer(TxBytesLeft);
TimeOutTimer = GetTicks();
PingPongBufferFlag = 0;
TxBytesLeft = 0;
BytesRead = 0;
BytesToRead = MIN_FREE_BYTES; // Bytes to read from ring-buffer
pTxBuff = &FirstAppBuff[0];
_UpdateTxConfig((uint32_t)&FirstAppBuff[0], APP_BUFFER);
TRACE_INFO_WP(" TX Tiemout \n\r");
}
#endif
}
}
}
/**
* \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 Application entry point.
*
* Configures USART1 in spi master/slave mode and SPI in slave/master mode,start
* a transmission between two peripherals.
* \return Unused.
*/
extern int main( void )
{
char c ;
char data = 0x0 ;
/* Disable watchdog */
WDT_Disable( WDT ) ;
/* Configure pins */
PIO_Configure( pins, PIO_LISTSIZE( pins ) ) ;
/* Example information log */
printf( "-- USART SPI Mode Example %s --\n\r", SOFTPACK_VERSION ) ;
printf( "-- %s\n\r", BOARD_NAME ) ;
printf( "-- Compiled: %s %s --\n\r", __DATE__, __TIME__ ) ;
/* display main menu*/
_DisplayMainmenu() ;
/* configure USART1 in Master and SPI in slave mode*/
_ConfigureUsart( STATE_UM_SS ) ;
_ConfigureSpi( STATE_UM_SS ) ;
printf( "-- USART1 as MASTER,SPI as SLAVE.--\n\r" ) ;
while ( 1 )
{
c = UART_GetChar() ;
switch ( c )
{
case 'w':
case 'W':
if ( glob_state == STATE_UM_SS )
{
data = SPI->SPI_RDR;
printf( "0x%x\n\r", data ) ;
/* slave in */
SPI_ReadBuffer( SPI, pRecvBufferSPI, BUFFER_SIZE ) ;
SPI_EnableIt( SPI, SPI_IER_RXBUFF ) ;
/* master out*/
USART_WriteBuffer( BOARD_USART_BASE, Buffer, BUFFER_SIZE ) ;
while ( !recvDone ) ;
if ( recvDone )
{
printf( "----USART1 MASTER WRITE----\n\r" ) ;
if ( strncmp( pRecvBufferSPI, Buffer, BUFFER_SIZE ) )
{
printf( " -F-: Failed!\n\r" ) ;
}
else
{
/* successfully received*/
_DumpInfo( pRecvBufferSPI, BUFFER_SIZE ) ;
}
printf( "----END of USART1 MASTER WRITE----\n\r" ) ;
memset( pRecvBufferSPI, 0, sizeof( pRecvBufferSPI ) ) ;
recvDone = false ;
}
}
else
{
data = USART1->US_RHR ;
printf( "US_RHR:0x%x\n\r", data ) ;
/* slave in */
USART_ReadBuffer( USART1, pRecvBufferUSART1, BUFFER_SIZE ) ;
USART_EnableIt( USART1, US_IER_RXBUFF ) ;
printf( "----SPI MASTER WRITE----\n\r" ) ;
/* master out*/
SPI_WriteBuffer( SPI, Buffer, BUFFER_SIZE ) ;
while ( !recvDone ) ;
if ( recvDone )
{
if ( strncmp( pRecvBufferUSART1, Buffer, BUFFER_SIZE ) )
{
printf( " -F-: Failed!\n\r" ) ;
}
else
{
/* successfully received*/
_DumpInfo( pRecvBufferUSART1, BUFFER_SIZE ) ;
}
printf( "----END of SPI MASTER WRITE----\n\r" ) ;
memset( pRecvBufferUSART1, 0, sizeof( pRecvBufferUSART1 ) ) ;
recvDone = false ;
}
}
break ;
case 'r':
case 'R':
if ( glob_state == STATE_UM_SS )
{
data = USART1->US_RHR ;
printf( "US_RHR:0x%x\n\r", data ) ;
/* slave out */
SPI_WriteBuffer( SPI, Buffer, BUFFER_SIZE ) ;
/* master read */
USART_ReadBuffer( USART1, pRecvBufferUSART1, BUFFER_SIZE ) ;
USART_EnableIt( USART1, US_IER_RXBUFF ) ;
/* start transmission */
USART_WriteBuffer( BOARD_USART_BASE, Buffer1, BUFFER_SIZE ) ;
printf( "----USART1 MASTER READ----\n\r" ) ;
while ( !recvDone ) ;
if ( recvDone )
{
if ( strncmp( pRecvBufferUSART1, Buffer, BUFFER_SIZE ) )
{
printf( " -F-: Failed!\n\r" ) ;
}
else
{
/* successfully received*/
_DumpInfo( pRecvBufferUSART1, BUFFER_SIZE ) ;
}
printf( "----END of USART1 MASTER READ----\n\r" ) ;
memset( pRecvBufferUSART1, 0, sizeof( pRecvBufferUSART1 ) ) ;
recvDone = false ;
}
}
else
{
data = SPI->SPI_RDR ;
printf( "SPI_RDR:0x%x\n\r", data ) ;
/* slave out */
USART_WriteBuffer( USART1, Buffer, BUFFER_SIZE ) ;
printf( "----SPI MASTER READ----\n\r" ) ;
/* master read */
SPI_ReadBuffer( SPI, pRecvBufferSPI, BUFFER_SIZE ) ;
SPI_EnableIt( SPI, SPI_IER_RXBUFF ) ;
/* start transmission */
SPI_WriteBuffer( SPI, Buffer1, BUFFER_SIZE ) ;
while ( !recvDone ) ;
if ( recvDone )
{
if ( strncmp( pRecvBufferSPI, Buffer, BUFFER_SIZE ) )
{
printf( " -F-: Failed!\n\r" ) ;
}
else
{
/* successfully received */
_DumpInfo( pRecvBufferSPI, BUFFER_SIZE ) ;
}
printf("----END of SPI MASTER READ----\n\r");
memset(pRecvBufferSPI,0,sizeof(pRecvBufferSPI));
recvDone = false;
}
}
break ;
case 's':
case 'S':
if ( glob_state == STATE_UM_SS )
{
glob_state = STATE_US_SM ;
_ConfigureUsart( glob_state ) ;
_ConfigureSpi( glob_state ) ;
printf( "-- USART1 as SLAVE,SPI as MASTER\n\r" ) ;
}
else
{
glob_state = STATE_UM_SS ;
_ConfigureUsart( glob_state ) ;
_ConfigureSpi( glob_state ) ;
printf( "-- USART1 as MASTER,SPI as SLAVE\n\r" ) ;
}
break ;
case 'm':
case 'M':
_DisplayMainmenu() ;
break ;
}
}
}
/*! \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();
}
}
}
}
