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| author | Grigori Goronzy <greg@chown.ath.cx> | 2018-07-02 23:17:28 +0200 |
|---|---|---|
| committer | KevinOConnor <kevin@koconnor.net> | 2018-07-07 11:05:33 -0400 |
| commit | 5c7c8c984b582304d1f1c36de0f1d9bacbd8d42d (patch) | |
| tree | 780781bf7d848453eabf4b8364addfb04478df88 /src/stm32f1/main.c | |
| parent | b0ee323e2e01ba2084bea8de733f16474f1167eb (diff) | |
| download | kutter-5c7c8c984b582304d1f1c36de0f1d9bacbd8d42d.tar.gz kutter-5c7c8c984b582304d1f1c36de0f1d9bacbd8d42d.tar.xz kutter-5c7c8c984b582304d1f1c36de0f1d9bacbd8d42d.zip | |
stm32f1: add SPI support
Add basic SPI support and associated documentation.
v2: remove baud rate check, fix baud rate calculations
v3: finish transaction with BSY check, disable SPI when not in use
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Diffstat (limited to 'src/stm32f1/main.c')
| -rw-r--r-- | src/stm32f1/main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/stm32f1/main.c b/src/stm32f1/main.c index 8c144343..c6839c36 100644 --- a/src/stm32f1/main.c +++ b/src/stm32f1/main.c @@ -14,6 +14,7 @@ #include "stm32f1xx_ll_iwdg.h" #include "stm32f1xx_ll_gpio.h" #include "stm32f1xx_ll_adc.h" +#include "stm32f1xx_ll_spi.h" #include "sched.h" // sched_main DECL_CONSTANT(MCU, "stm32f103"); @@ -108,6 +109,13 @@ void adc_config(void) LL_ADC_REG_SetSequencerLength(ADC1, LL_ADC_REG_SEQ_SCAN_DISABLE); } +void spi_config(void) +{ + LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2); + LL_SPI_SetNSSMode(SPI2, LL_SPI_NSS_SOFT); + LL_SPI_SetMode(SPI2, LL_SPI_MODE_MASTER); +} + void io_config(void) { LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_AFIO); @@ -131,6 +139,7 @@ main(void) clock_config(); adc_config(); io_config(); + spi_config(); sched_main(); return 0; } |