S. Ken San / BurstSPI

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Fork of BurstSPI by Erik -

BurstSPI_NUCLEO_L152RE.cpp@4:8585ddebd28b, 2014-06-25 (annotated)

Committer:
Alamalione
Date:
Wed Jun 25 08:28:32 2014 +0000
Revision:
4:8585ddebd28b
Version 2.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Alamalione 4:8585ddebd28b 1
Alamalione 4:8585ddebd28b 2
Alamalione 4:8585ddebd28b 3 /* BurstSPI_NUCLEO_L152RE.cpp */
Alamalione 4:8585ddebd28b 4 #ifdef TARGET_NUCLEO_L152RE
Alamalione 4:8585ddebd28b 5 #include "BurstSPI.h"
Alamalione 4:8585ddebd28b 6
Alamalione 4:8585ddebd28b 7 void BurstSPI::fastWrite(int data) {
Alamalione 4:8585ddebd28b 8
Alamalione 4:8585ddebd28b 9 SPI_TypeDef *spi = (SPI_TypeDef *)(_spi.spi);
Alamalione 4:8585ddebd28b 10 // Check if data is transmitted
Alamalione 4:8585ddebd28b 11 while (!((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_TXE) != RESET) ? 1 : 0));
Alamalione 4:8585ddebd28b 12 SPI_I2S_SendData(spi, (uint16_t)data);
Alamalione 4:8585ddebd28b 13 }
Alamalione 4:8585ddebd28b 14
Alamalione 4:8585ddebd28b 15 void BurstSPI::clearRX( void ) {
Alamalione 4:8585ddebd28b 16 int status;
Alamalione 4:8585ddebd28b 17 //Check if the RX buffer is busy
Alamalione 4:8585ddebd28b 18 SPI_TypeDef *spi = (SPI_TypeDef *)(_spi.spi);
Alamalione 4:8585ddebd28b 19 status = ((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_BSY) != RESET) ? 1 : 0);
Alamalione 4:8585ddebd28b 20 if (status){
Alamalione 4:8585ddebd28b 21 // Check RX buffer readable
Alamalione 4:8585ddebd28b 22 while (!((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_RXNE) != RESET) ? 1 : 0));
Alamalione 4:8585ddebd28b 23 int dummy = (int)SPI_I2S_ReceiveData(spi);
Alamalione 4:8585ddebd28b 24 }
Alamalione 4:8585ddebd28b 25 }
Alamalione 4:8585ddebd28b 26 #endif
Alamalione 4:8585ddebd28b 27