X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_ms5607.c;h=fdd2c31e5992e4c96e1120d313bb13ba186978b7;hp=ec0d2202216c3fcff64f06a950de37b47d5fd4d8;hb=2733d1b71bbac2c5ef4a2c3a1992ba448e981267;hpb=b635cb26ba54c8f5c6a958e0ab0bc4d34d33b635 diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c index ec0d2202..fdd2c31e 100644 --- a/src/drivers/ao_ms5607.c +++ b/src/drivers/ao_ms5607.c @@ -17,9 +17,9 @@ #include #include -#include "ao_ms5607.h" +#include -#if HAS_MS5607 +#if HAS_MS5607 || HAS_MS5611 static struct ao_ms5607_prom ms5607_prom; static uint8_t ms5607_configured; @@ -27,12 +27,12 @@ static uint8_t ms5607_configured; static void ao_ms5607_start(void) { ao_spi_get(AO_MS5607_SPI_INDEX,AO_SPI_SPEED_FAST); - stm_gpio_set(AO_MS5607_CS_GPIO, AO_MS5607_CS, 0); + ao_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, 0); } static void ao_ms5607_stop(void) { - stm_gpio_set(AO_MS5607_CS_GPIO, AO_MS5607_CS, 1); + ao_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, 1); ao_spi_put(AO_MS5607_SPI_INDEX); } @@ -53,7 +53,6 @@ ao_ms5607_crc(uint8_t *prom) uint8_t crc_byte = prom[15]; uint8_t cnt; uint16_t n_rem = 0; - uint16_t crc_read; uint8_t n_bit; prom[15] = 0; @@ -89,10 +88,12 @@ ao_ms5607_prom_read(struct ao_ms5607_prom *prom) } crc = ao_ms5607_crc((uint8_t *) prom); if (crc != (((uint8_t *) prom)[15] & 0xf)) { +#if HAS_TASK printf ("MS5607 PROM CRC error (computed %x actual %x)\n", crc, (((uint8_t *) prom)[15] & 0xf)); flush(); - ao_panic(AO_PANIC_SELF_TEST); +#endif + ao_panic(AO_PANIC_SELF_TEST_MS5607); } #if __BYTE_ORDER == __LITTLE_ENDIAN @@ -105,7 +106,7 @@ ao_ms5607_prom_read(struct ao_ms5607_prom *prom) #endif } -static void +void ao_ms5607_setup(void) { if (ms5607_configured) @@ -115,36 +116,37 @@ ao_ms5607_setup(void) ao_ms5607_prom_read(&ms5607_prom); } -static uint8_t ao_ms5607_done; +static volatile uint8_t ao_ms5607_done; static void ao_ms5607_isr(void) { - ao_exti_disable(AO_MS5607_MISO_GPIO, AO_MS5607_MISO); + ao_exti_disable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN); ao_ms5607_done = 1; - ao_wakeup(&ao_ms5607_done); + ao_wakeup((void *) &ao_ms5607_done); } static uint32_t ao_ms5607_get_sample(uint8_t cmd) { uint8_t reply[3]; uint8_t read; - uint16_t now; ao_ms5607_done = 0; ao_ms5607_start(); ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX); - ao_exti_enable(AO_MS5607_MISO_GPIO, AO_MS5607_MISO); + + ao_exti_enable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN); + #if AO_MS5607_PRIVATE_PINS ao_spi_put(AO_MS5607_SPI_INDEX); #endif cli(); while (!ao_ms5607_done) - ao_sleep(&ao_ms5607_done); + ao_sleep((void *) &ao_ms5607_done); sei(); #if AO_MS5607_PRIVATE_PINS - stm_gpio_set(AO_MS5607_CS_GPIO, AO_MS5607_CS, 1); + stm_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, 1); #else ao_ms5607_stop(); #endif @@ -165,44 +167,9 @@ ao_ms5607_sample(struct ao_ms5607_sample *sample) sample->temp = ao_ms5607_get_sample(AO_MS5607_CONVERT_D2_2048); } -void -ao_ms5607_convert(struct ao_ms5607_sample *sample, struct ao_ms5607_value *value) -{ - uint8_t addr; - int32_t dT; - int32_t TEMP; - int64_t OFF; - int64_t SENS; - int32_t P; - - dT = sample->temp - ((int32_t) ms5607_prom.tref << 8); - - TEMP = 2000 + (((int64_t) dT * ms5607_prom.tempsens) >> 23); - - OFF = ((int64_t) ms5607_prom.off << 17) + (((int64_t) ms5607_prom.tco * dT) >> 6); - - SENS = ((int64_t) ms5607_prom.sens << 16) + (((int64_t) ms5607_prom.tcs * dT) >> 7); - - if (TEMP < 2000) { - int32_t T2 = ((int64_t) dT * (int64_t) dT) >> 31; - int32_t TEMPM = TEMP - 2000; - int64_t OFF2 = (61 * (int64_t) TEMPM * (int64_t) TEMPM) >> 4; - int64_t SENS2 = 2 * (int64_t) TEMPM * (int64_t) TEMPM; - if (TEMP < 1500) { - int32_t TEMPP = TEMP + 1500; - int64_t TEMPP2 = TEMPP * TEMPP; - OFF2 = OFF2 + 15 * TEMPP2; - SENS2 = SENS2 + 8 * TEMPP2; - } - TEMP -= T2; - OFF -= OFF2; - SENS -= SENS2; - } - - value->pres = ((((int64_t) sample->pres * SENS) >> 21) - OFF) >> 15; - value->temp = TEMP; -} +#include "ao_ms5607_convert.c" +#if HAS_TASK static void ao_ms5607(void) { @@ -235,13 +202,14 @@ ao_ms5607_info(void) static void ao_ms5607_dump(void) { - struct ao_data sample; + struct ao_ms5607_sample sample; struct ao_ms5607_value value; - ao_data_get(&sample); - ao_ms5607_convert(&sample.ms5607_raw, &value); - printf ("Pressure: %8u %8d\n", sample.ms5607_raw.pres, value.pres); - printf ("Temperature: %8u %8d\n", sample.ms5607_raw.temp, value.temp); + ao_ms5607_setup(); + ao_ms5607_sample(&sample); + ao_ms5607_convert(&sample, &value); + printf ("Pressure: %8u %8d\n", sample.pres, value.pres); + printf ("Temperature: %8u %8d\n", sample.temp, value.temp); printf ("Altitude: %ld\n", ao_pa_to_altitude(value.pres)); } @@ -249,31 +217,36 @@ __code struct ao_cmds ao_ms5607_cmds[] = { { ao_ms5607_dump, "B\0Display MS5607 data" }, { 0, NULL }, }; +#endif /* HAS_TASK */ void ao_ms5607_init(void) { ms5607_configured = 0; - ao_cmd_register(&ao_ms5607_cmds[0]); - ao_spi_init_cs(AO_MS5607_CS_GPIO, (1 << AO_MS5607_CS)); + ao_spi_init_cs(AO_MS5607_CS_PORT, (1 << AO_MS5607_CS_PIN)); +#if HAS_TASK + ao_cmd_register(&ao_ms5607_cmds[0]); ao_add_task(&ao_ms5607_task, ao_ms5607, "ms5607"); +#endif /* Configure the MISO pin as an interrupt; when the * conversion is complete, the MS5607 will raise this * pin as a signal */ - ao_exti_setup(AO_MS5607_MISO_GPIO, - AO_MS5607_MISO, + ao_exti_setup(AO_MS5607_MISO_PORT, + AO_MS5607_MISO_PIN, AO_EXTI_MODE_RISING, ao_ms5607_isr); +#ifdef STM_MODER_ALTERNATE /* Reset the pin from INPUT to ALTERNATE so that SPI works * This needs an abstraction at some point... */ - stm_moder_set(AO_MS5607_MISO_GPIO, - AO_MS5607_MISO, + stm_moder_set(AO_MS5607_MISO_PORT, + AO_MS5607_MISO_PIN, STM_MODER_ALTERNATE); +#endif } #endif