Paulo Bruckmann
Added support for STM32F103RB
BurstSPI_STMF103RB.cpp@14:8872ab64789c, 2020-04-24 (annotated)
- Committer:
- peekpt
- Date:
- Fri Apr 24 11:09:03 2020 +0000
- Revision:
- 14:8872ab64789c
Added support for STM32F103RB
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| peekpt | 14:8872ab64789c | 1 | #if defined(TARGET_STM32F103RB) |
| peekpt | 14:8872ab64789c | 2 | #include "BurstSPI.h" |
| peekpt | 14:8872ab64789c | 3 | |
| peekpt | 14:8872ab64789c | 4 | void BurstSPI::fastWrite(int data) |
| peekpt | 14:8872ab64789c | 5 | { |
| peekpt | 14:8872ab64789c | 6 | SPI_TypeDef *spi = (SPI_TypeDef *)(_peripheral->spi.spi.handle.Instance); |
| peekpt | 14:8872ab64789c | 7 | // Check if data is transmitted |
| peekpt | 14:8872ab64789c | 8 | while ((spi->SR & SPI_SR_TXE) == 0); |
| peekpt | 14:8872ab64789c | 9 | spi->DR = data; |
| peekpt | 14:8872ab64789c | 10 | } |
| peekpt | 14:8872ab64789c | 11 | |
| peekpt | 14:8872ab64789c | 12 | void BurstSPI::clearRX(void) |
| peekpt | 14:8872ab64789c | 13 | { |
| peekpt | 14:8872ab64789c | 14 | const SPI_TypeDef *spi = |
| peekpt | 14:8872ab64789c | 15 | (SPI_TypeDef *)(_peripheral->spi.spi.handle.Instance); |
| peekpt | 14:8872ab64789c | 16 | while (spi->SR & SPI_SR_BSY) { |
| peekpt | 14:8872ab64789c | 17 | // Check RX buffer readable |
| peekpt | 14:8872ab64789c | 18 | while ((spi->SR & SPI_SR_RXNE) == 0) |
| peekpt | 14:8872ab64789c | 19 | ; |
| peekpt | 14:8872ab64789c | 20 | int dummy = spi->DR; |
| peekpt | 14:8872ab64789c | 21 | (void)dummy; // suppress UNUSED warning |
| peekpt | 14:8872ab64789c | 22 | } |
| peekpt | 14:8872ab64789c | 23 | } |
| peekpt | 14:8872ab64789c | 24 | |
| peekpt | 14:8872ab64789c | 25 | #endif |