James Kidd / BurstSPI

Fork of BurstSPI with Nucleo F411RE support

Fork of BurstSPI by Erik -

BurstSPI_Nucleo_F411RE.cpp@11:9d43f61b3184, 2014-12-05 (annotated)

Committer:
infotech1
Date:
Fri Dec 05 06:35:12 2014 +0000
Revision:
11:9d43f61b3184
Added F411RE support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
infotech1 11:9d43f61b3184 1 /*
infotech1 11:9d43f61b3184 2 Only tested with a Ili9341 TFT on a Nucleo F411RE board.
infotech1 11:9d43f61b3184 3 -James Kidd
infotech1 11:9d43f61b3184 4 */
infotech1 11:9d43f61b3184 5
infotech1 11:9d43f61b3184 6 /* BurstSPI_NUCLEO_F411RE.cpp */
infotech1 11:9d43f61b3184 7 #ifdef TARGET_NUCLEO_F411RE
infotech1 11:9d43f61b3184 8 #include "BurstSPI.h"
infotech1 11:9d43f61b3184 9
infotech1 11:9d43f61b3184 10 static SPI_HandleTypeDef SpiHandle;
infotech1 11:9d43f61b3184 11
infotech1 11:9d43f61b3184 12 void BurstSPI::fastWrite(int data) {
infotech1 11:9d43f61b3184 13 SpiHandle.Instance = (SPI_TypeDef *)(_spi.spi);
infotech1 11:9d43f61b3184 14 while (!((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0));
infotech1 11:9d43f61b3184 15 SpiHandle.Instance->DR =(uint16_t)data;
infotech1 11:9d43f61b3184 16 }
infotech1 11:9d43f61b3184 17
infotech1 11:9d43f61b3184 18 void BurstSPI::clearRX( void ) {
infotech1 11:9d43f61b3184 19 SpiHandle.Instance = (SPI_TypeDef *)(_spi.spi);
infotech1 11:9d43f61b3184 20 //wait till SPI is not busy
infotech1 11:9d43f61b3184 21 while(__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET);
infotech1 11:9d43f61b3184 22 //Loop while data in RX, may not be needed
infotech1 11:9d43f61b3184 23 while(__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET){
infotech1 11:9d43f61b3184 24 int dummy = SpiHandle.Instance->DR;
infotech1 11:9d43f61b3184 25 }
infotech1 11:9d43f61b3184 26 }
infotech1 11:9d43f61b3184 27 #endif