/** * \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 ; } } }