diff options
| author | Reinhard Feger <47209718+rf-eng@users.noreply.github.com> | 2020-08-22 18:48:21 +0200 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2021-03-11 01:06:52 +1100 |
| commit | 79c186f5c962b514cde21415d7a262cfdbddbd97 (patch) | |
| tree | a79d997314e4e82fd6e814ebb7225a40c538082f | |
| parent | 0facd891e7b4e226e7a905309f917dc271c1860b (diff) | |
| download | micropython-79c186f5c962b514cde21415d7a262cfdbddbd97.tar.gz micropython-79c186f5c962b514cde21415d7a262cfdbddbd97.zip | |
stm32/spi: Fix baudrate calculation for H7 series.
Fixes issue #6342.
| -rw-r--r-- | ports/stm32/spi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm32/spi.c b/ports/stm32/spi.c index 07374d7a38..f8ab791898 100644 --- a/ports/stm32/spi.c +++ b/ports/stm32/spi.c @@ -633,7 +633,11 @@ void spi_print(const mp_print_t *print, const spi_t *spi_obj, bool legacy) { if (spi->State != HAL_SPI_STATE_RESET) { if (spi->Init.Mode == SPI_MODE_MASTER) { // compute baudrate + #if defined(STM32H7) + uint log_prescaler = (spi->Init.BaudRatePrescaler >> 28) + 1; + #else uint log_prescaler = (spi->Init.BaudRatePrescaler >> 3) + 1; + #endif uint baudrate = spi_get_source_freq(spi) >> log_prescaler; if (legacy) { mp_printf(print, ", SPI.MASTER"); |