X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_ms5607.c;h=1ebba3e9c6f99ccfb0fd7a7bbebd42b1e7da2c58;hp=f73b095622cd5a4eccf9f1d0b7e28a7ade50caf7;hb=HEAD;hpb=c309956389acc01f784f3d0e11745f5ac0a77e06 diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c index f73b0956..4a9802d7 100644 --- a/src/drivers/ao_ms5607.c +++ b/src/drivers/ao_ms5607.c @@ -25,7 +25,7 @@ struct ao_ms5607_prom ao_ms5607_prom; static uint8_t ms5607_configured; -#define AO_MS5607_SPI_SPEED ao_spi_speed(20000000) +#define AO_MS5607_SPI_SPEED ao_spi_speed(AO_MS5607_SPI_INDEX, 20000000) static void ao_ms5607_start(void) { @@ -148,43 +148,49 @@ static void ao_ms5607_isr(void) { ao_exti_disable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN); - ao_ms5607_done = 1; ao_wakeup((void *) &ao_ms5607_done); } static uint32_t ao_ms5607_get_sample(uint8_t cmd) { - uint8_t reply[3]; - uint8_t read; - - ao_ms5607_done = 0; + uint8_t reply[4]; ao_ms5607_start(); - ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX); ao_exti_enable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN); + ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX); + #if AO_MS5607_PRIVATE_PINS - ao_spi_put(AO_MS5607_SPI_INDEX); + ao_spi_put_pins(AO_MS5607_SPI_INDEX); #endif ao_arch_block_interrupts(); - while (!ao_gpio_get(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN) && - !ao_ms5607_done) - ao_sleep((void *) &ao_ms5607_done); +#if !HAS_TASK +#define ao_sleep_for(a,t) ao_sleep(a) +#endif + while (!ao_gpio_get(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN)) { + if (ao_sleep_for((void *) &ao_ms5607_done, AO_MS_TO_TICKS(10))) + break; + } + ao_exti_disable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN); ao_arch_release_interrupts(); #if AO_MS5607_PRIVATE_PINS - stm_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, 1); + ao_spi_clr_cs(AO_MS5607_CS_PORT, 1 << (AO_MS5607_CS_PIN)); #else ao_ms5607_stop(); #endif ao_ms5607_start(); - read = AO_MS5607_ADC_READ; - ao_spi_send(&read, 1, AO_MS5607_SPI_INDEX); - ao_spi_recv(&reply, 3, AO_MS5607_SPI_INDEX); + reply[0] = AO_MS5607_ADC_READ; +#if defined(AO_SPI_DUPLEX) && AO_SPI_DUPLEX == 0 + ao_spi_send(reply, 1, AO_MS5607_SPI_INDEX); + ao_spi_recv(reply+1, 3, AO_MS5607_SPI_INDEX); +#else + ao_spi_duplex(&reply, &reply, 4, AO_MS5607_SPI_INDEX); +#endif ao_ms5607_stop(); - return ((uint32_t) reply[0] << 16) | ((uint32_t) reply[1] << 8) | (uint32_t) reply[2]; + return ((uint32_t) reply[1] << 16) | ((uint32_t) reply[2] << 8) | (uint32_t) reply[3]; } #ifndef AO_MS5607_BARO_OVERSAMPLE