From d15c4976ed9c23c861e620eb9c429d1cb7eedbee Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Mon, 9 Apr 2012 22:24:36 -0700 Subject: [PATCH] altos: Increase STM SPI speed to PCLK/4 The pressure sensor seems happy at this speed. 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 d3e1ca4b..be24ebcf 100644 --- a/src/stm/ao_spi_stm.c +++ b/src/stm/ao_spi_stm.c @@ -169,7 +169,7 @@ 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_16 << STM_SPI_CR1_BR) | /* baud rate to pclk/4 */ + (STM_SPI_CR1_BR_PCLK_4 << 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