Jean-Louis VERN / FastSPI

je ne sais plus

BurstSPI_NUCLEO_L152RE.cpp@0:3787bbf77ca8, 2015-06-17 (annotated)

Committer:
FreeControl
Date:
Wed Jun 17 13:49:54 2015 +0000
Revision:
0:3787bbf77ca8
je ne sais plus

Who changed what in which revision?

UserRevisionLine numberNew contents of line
FreeControl 0:3787bbf77ca8 1
FreeControl 0:3787bbf77ca8 2
FreeControl 0:3787bbf77ca8 3 /* FastSPI_NUCLEO_L152RE.cpp */
FreeControl 0:3787bbf77ca8 4 #ifdef TARGET_NUCLEO_L152RE
FreeControl 0:3787bbf77ca8 5 #include "FastSPI.h"
FreeControl 0:3787bbf77ca8 6
FreeControl 0:3787bbf77ca8 7 void FastSPI::fastWrite(int data) {
FreeControl 0:3787bbf77ca8 8
FreeControl 0:3787bbf77ca8 9 SPI_TypeDef *spi = (SPI_TypeDef *)(_spi.spi);
FreeControl 0:3787bbf77ca8 10 // Check if data is transmitted
FreeControl 0:3787bbf77ca8 11 while (!((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_TXE) != RESET) ? 1 : 0));
FreeControl 0:3787bbf77ca8 12 SPI_I2S_SendData(spi, (uint16_t)data);
FreeControl 0:3787bbf77ca8 13 }
FreeControl 0:3787bbf77ca8 14
FreeControl 0:3787bbf77ca8 15 void FastSPI::clearRX( void ) {
FreeControl 0:3787bbf77ca8 16 int status;
FreeControl 0:3787bbf77ca8 17 //Check if the RX buffer is busy
FreeControl 0:3787bbf77ca8 18 SPI_TypeDef *spi = (SPI_TypeDef *)(_spi.spi);
FreeControl 0:3787bbf77ca8 19 status = ((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_BSY) != RESET) ? 1 : 0);
FreeControl 0:3787bbf77ca8 20 if (status){
FreeControl 0:3787bbf77ca8 21 // Check RX buffer readable
FreeControl 0:3787bbf77ca8 22 while (!((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_RXNE) != RESET) ? 1 : 0));
FreeControl 0:3787bbf77ca8 23 int dummy = (int)SPI_I2S_ReceiveData(spi);
FreeControl 0:3787bbf77ca8 24 }
FreeControl 0:3787bbf77ca8 25 }
FreeControl 0:3787bbf77ca8 26 #endif
FreeControl 0:3787bbf77ca8 27