From f46d94ca5c969c88dd307d1b684d6fafa2157020 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 18 Aug 2012 21:24:16 -0700 Subject: [PATCH] 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 --- src/drivers/ao_ms5607.c | 7 +++++++ 1 file changed, 7 insertions(+) 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; -- 2.30.2