diff options
| author | Keith Packard <keithp@keithp.com> | 2013-08-26 18:43:20 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-08-26 18:47:27 -0700 |
| commit | 7e941695aa27e5eaf453ca1128b8d835472410a4 (patch) | |
| tree | ba7c86e1d160824330cb584e4809ac828309e052 /src/drivers/ao_ms5607.c | |
| parent | 9b9acb88aa97e8565cdf9342fc59a5aee08e3d34 (diff) | |
altos: Check for MS5607 MISO low before sleeping
If the MISO line goes low before we manage to configure the
interrupts, we'll miss it entirely unless we check the pin explicitly.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/drivers/ao_ms5607.c')
| -rw-r--r-- | src/drivers/ao_ms5607.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c index 8b2b6333..58ab9197 100644 --- a/src/drivers/ao_ms5607.c +++ b/src/drivers/ao_ms5607.c @@ -140,7 +140,8 @@ ao_ms5607_get_sample(uint8_t cmd) { ao_spi_put(AO_MS5607_SPI_INDEX); #endif ao_arch_block_interrupts(); - while (!ao_ms5607_done) + while (!ao_gpio_get(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN, AO_MS5607_MISO) && + !ao_ms5607_done) ao_sleep((void *) &ao_ms5607_done); ao_arch_release_interrupts(); #if AO_MS5607_PRIVATE_PINS |