/**
* \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 usart_spi Application entry point.
*
* \return Unused (ANSI-C compatibility).
*/
extern int main(void)
{
uint8_t ucKey, i;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
/* Configure systick for 1 ms. */
TimeTick_Configure();
/* Output example information */
printf("-- USART SPI Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__, COMPILER_NAME);
/* Display menu */
_DisplayMainmenu();
while (1) {
ucKey = DBG_GetChar();
switch (ucKey) {
/*usart as spi master*/
case 'm':
case 'M':
/* Configure pins*/
PIO_Configure(pins1, PIO_LISTSIZE(pins1));
/* Configure USART as SPI master */
_ConfigureUsartAsSpiMaster();
/* Configure SPi slave */
_ConfigureSpiSlave();
printf("-I- Configure USART as spi master ...\n\r");
SPI_EnableIt(SPI, SPI_IER_RDRF);
SPI_Enable(SPI);
USART_EnableIt(USART, UART_IER_RXRDY);
for (i = 0; (pTxBuffer1[i]!='\0' && pTxBuffer2[i]!='\0'); i++) {
while ((SPI->SPI_SR & SPI_SR_TXEMPTY) == 0);
SPI->SPI_TDR = ((uint16_t)pTxBuffer2[i]) | SPI_PCS( 0 );
USART_Write( USART, pTxBuffer1[i], 0);
}
break;
/*usart as spi slave*/
case 's':
case 'S':
printf("-I- Configure USART as spi slave...\n\r");
/* Configure pins*/
PIO_Configure(pins2, PIO_LISTSIZE(pins2));
/* Configure USART as SPI slave */
_ConfigureUsartAsSpiSlave();
/* Configure SPI master */
_ConfigureSpiMaster();
USART_EnableIt(USART, UART_IER_RXRDY);
SPI_EnableIt(SPI, SPI_IER_RDRF);
SPI_Enable(SPI);
for (i = 0; (pTxBuffer1[i]!='\0' && pTxBuffer2[i]!='\0'); i++) {
USART_Write(USART, (uint16_t)pTxBuffer2[i], 0);
SPI_Write( SPI, 1, (uint16_t)pTxBuffer1[i]);
}
break;
case 'h':
case 'H':
_DisplayMainmenu();
break;
}
}
}
