From e856df474c386b8df3d2bd9e87b766ae0439efbf Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 15 Jun 2012 22:41:17 -0700 Subject: [PATCH] altos: Reduce STM SPI data rate to 4MHz cc1120 doesn't want more than 6.1MHz, otherwise it gets very angry. Signed-off-by: Keith Packard --- src/stm/ao_spi_stm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/stm/ao_spi_stm.c b/src/stm/ao_spi_stm.c index 8bb0d8e8..8784d985 100644 --- a/src/stm/ao_spi_stm.c +++ b/src/stm/ao_spi_stm.c @@ -282,7 +282,7 @@ ao_spi_get(uint8_t spi_index) (1 << STM_SPI_CR1_SSI) | /* ... */ (0 << STM_SPI_CR1_LSBFIRST) | /* Big endian */ (1 << STM_SPI_CR1_SPE) | /* Enable SPI unit */ - (STM_SPI_CR1_BR_PCLK_4 << STM_SPI_CR1_BR) | /* baud rate to pclk/4 */ + (STM_SPI_CR1_BR_PCLK_8 << STM_SPI_CR1_BR) | /* baud rate to pclk/4 */ (1 << STM_SPI_CR1_MSTR) | (0 << STM_SPI_CR1_CPOL) | /* Format 0 */ (0 << STM_SPI_CR1_CPHA)); -- 2.30.2