diff options
| author | Keith Packard <keithp@keithp.com> | 2017-02-18 22:53:03 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2017-02-20 11:16:52 -0800 |
| commit | 3770a5f527cb6d519ce22fe91e0cc4078bf72661 (patch) | |
| tree | 2894519d0ed036357275b12e4758b92f49a160c1 | |
| parent | f85997eb53779e637dca697d0d96da7d1235fa80 (diff) | |
altos/stmf0: Complain if the SPI configuration isn't complete
If the pin usage values SPI_1_PA5_PA6_PA7 or SPI_1_PB3_PB4_PB5 aren't
defined, then the speed values for the pins aren't going to get set
correctly, which results in erratic SPI behaviour.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/stmf0/ao_spi_stm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/stmf0/ao_spi_stm.c b/src/stmf0/ao_spi_stm.c index 0448ad8c..5e76d6c3 100644 --- a/src/stmf0/ao_spi_stm.c +++ b/src/stmf0/ao_spi_stm.c @@ -536,12 +536,18 @@ void ao_spi_init(void) { #if HAS_SPI_1 +#ifndef SPI_1_PA5_PA6_PA7 +#error SPI_1_PA5_PA6_PA7 undefined +#endif # if SPI_1_PA5_PA6_PA7 stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_IOPAEN); stm_ospeedr_set(&stm_gpioa, 5, SPI_1_OSPEEDR); stm_ospeedr_set(&stm_gpioa, 6, SPI_1_OSPEEDR); stm_ospeedr_set(&stm_gpioa, 7, SPI_1_OSPEEDR); # endif +# ifndef SPI_1_PB3_PB4_PB5 +# error SPI_1_PB3_PB4_PB5 undefined +# endif # if SPI_1_PB3_PB4_PB5 stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_IOPBEN); stm_ospeedr_set(&stm_gpiob, 3, SPI_1_OSPEEDR); |