working spi example. Pins(NUCLEO): CLK -> A6, MOSI -> A6 and MISO -> A5

3 years ago · e6698f1eea
parent 731dae3381
commit e6698f1eea
1 changed files with 2 additions and 0 deletions
--- a/ked/csl/stm32f042/Src/spi.c
+++ b/ked/csl/stm32f042/Src/spi.c
@ -23,6 +23,8 @@ void spi_init(spiCH_t spi_hw_ch)
 	SPI1->CR1 &= ~(1<<11);  // DFF=0, 8 bit data
 				
 	SPI1->CR2 = 0;
+
+	SPI1->CR1 |= (1 << 6);	// enable SPI1
 }

 uint8_t spi_trx(spiCH_t spi_hw_ch, uint8_t tx_data)