diff options
| author | Keith Packard <keithp@keithp.com> | 2012-08-18 21:24:16 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-08-18 21:24:16 -0700 |
| commit | f46d94ca5c969c88dd307d1b684d6fafa2157020 (patch) | |
| tree | bf932163e77f8323fb8e5ee7ced467c8798973fe /src/drivers/ao_ms5607.c | |
| parent | a1a48aa9ee0bf7fa6720b34c0f544485caea7cac (diff) | |
altos: Use split SPI bus for MS5607 sensor
Leave CS low while releasing the SPI bus when waiting for conversion
complete -- other SPI bus users will use another set of pins.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/drivers/ao_ms5607.c')
| -rw-r--r-- | src/drivers/ao_ms5607.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c index 17fe853b..1b55b7fd 100644 --- a/src/drivers/ao_ms5607.c +++ b/src/drivers/ao_ms5607.c @@ -134,11 +134,18 @@ ao_ms5607_get_sample(uint8_t cmd) { ao_ms5607_start(); ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX); ao_exti_enable(AO_MS5607_MISO_GPIO, AO_MS5607_MISO); +#if AO_MS5607_PRIVATE_PINS + ao_spi_put(AO_MS5607_SPI_INDEX); +#endif cli(); while (!ao_ms5607_done) ao_sleep(&ao_ms5607_done); sei(); +#if AO_MS5607_PRIVATE_PINS + stm_gpio_set(AO_MS5607_CS_GPIO, AO_MS5607_CS, 1); +#else ao_ms5607_stop(); +#endif ao_ms5607_start(); read = AO_MS5607_ADC_READ; |