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authorKeith Packard <keithp@keithp.com>2012-04-09 22:24:36 -0700
committerKeith Packard <keithp@keithp.com>2012-04-09 22:24:36 -0700
commitd15c4976ed9c23c861e620eb9c429d1cb7eedbee (patch)
tree9f74dbd18bd6ac6c2bfe80af1f35bb7deea7d2bc
parent0cd682ef0c8cdcf364b7e173ff3a9f84e485c113 (diff)
altos: Increase STM SPI speed to PCLK/4
The pressure sensor seems happy at this speed. Signed-off-by: Keith Packard <keithp@keithp.com>
-rw-r--r--src/stm/ao_spi_stm.c2
1 files changed, 1 insertions, 1 deletions
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));