#define AO_DATA_MMA655X 0
#endif
+ #ifdef AO_DATA_RING
+
#define AO_DATA_ALL (AO_DATA_ADC|AO_DATA_MS5607|AO_DATA_MPU6000|AO_DATA_HMC5883|AO_DATA_MMA655X)
struct ao_data {
#endif
#if HAS_MPU6000
struct ao_mpu6000_sample mpu6000;
+ #if !HAS_MMA655X
+ int16_t z_accel;
+ #endif
#endif
#if HAS_HMC5883
struct ao_hmc5883_sample hmc5883;
/*
* Mark a section of data as ready, check for data complete
*/
-#define AO_DATA_PRESENT(bit) do { \
- if ((ao_data_present |= (bit)) == AO_DATA_ALL) { \
- ao_data_ring[ao_data_head].tick = ao_tick_count; \
- ao_data_head = ao_data_ring_next(ao_data_head); \
- ao_data_present = 0; \
- ao_wakeup((void *) &ao_data_head); \
- } \
- } while (0);
+#define AO_DATA_PRESENT(bit) (ao_data_present |= (bit))
/*
* Wait until it is time to write a sensor sample; this is
ao_sleep((void *) &ao_data_count); \
} while (0)
+ #endif /* AO_DATA_RING */
+
#if !HAS_BARO && HAS_MS5607
/* Either an MS5607 or an MS5611 hooked to a SPI port
#define HAS_BARO 1
typedef int32_t pres_t;
- typedef int32_t alt_t;
+
+ #ifndef AO_ALT_TYPE
+ #define AO_ALT_TYPE int32_t
+ #endif
+
+ typedef AO_ALT_TYPE alt_t;
#define ao_data_pres_cook(packet) ao_ms5607_convert(&packet->ms5607_raw, &packet->ms5607_cooked)
#endif
+ #if !HAS_BARO
+ typedef int16_t alt_t;
+ #endif
+
/*
* Need a few macros to pull data from the sensors:
*
typedef int16_t accel_t;
/* MPU6000 is hooked up so that positive y is positive acceleration */
- #define ao_data_accel(packet) ((packet)->mpu6000.accel_y)
+ #define ao_data_accel(packet) ((packet)->z_accel)
#define ao_data_accel_cook(packet) (-(packet)->mpu6000.accel_y)
- #define ao_data_set_accel(packet, accel) ((packet)->mpu6000.accel_y = (accel))
+ #define ao_data_set_accel(packet, accel) ((packet)->z_accel = (accel))
#define ao_data_accel_invert(a) (-(a))
#endif
#include <ao.h>
#include <ao_exti.h>
- #include "ao_ms5607.h"
+ #include <ao_ms5607.h>
#if HAS_MS5607 || HAS_MS5611
static void
ao_ms5607_start(void) {
ao_spi_get(AO_MS5607_SPI_INDEX,AO_SPI_SPEED_FAST);
- stm_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, 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_PORT, AO_MS5607_CS_PIN, 1);
+ ao_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, 1);
ao_spi_put(AO_MS5607_SPI_INDEX);
}
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;
}
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();
+ #endif
ao_panic(AO_PANIC_SELF_TEST_MS5607);
}
#endif
}
- static void
+ void
ao_ms5607_setup(void)
{
if (ms5607_configured)
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_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_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_PORT, AO_MS5607_CS_PIN, 1);
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);
-
- #if HAS_MS5611
- OFF = ((int64_t) ms5607_prom.off << 16) + (((int64_t) ms5607_prom.tco * dT) >> 7);
- SENS = ((int64_t) ms5607_prom.sens << 15) + (((int64_t) ms5607_prom.tcs * dT) >> 8);
- #else
- 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);
- #endif
-
- 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
+struct ao_ms5607_sample ao_ms5607_current;
+
static void
ao_ms5607(void)
{
ao_ms5607_setup();
for (;;)
{
- ao_ms5607_sample((struct ao_ms5607_sample *) &ao_data_ring[ao_data_head].ms5607_raw);
+ ao_ms5607_sample(&ao_ms5607_current);
ao_arch_critical(
AO_DATA_PRESENT(AO_DATA_MS5607);
AO_DATA_WAIT();
static void
ao_ms5607_dump(void)
{
- struct ao_ms5607_sample sample;
struct ao_ms5607_value value;
- 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);
+ ao_ms5607_convert(&ao_ms5607_current, &value);
+ printf ("Pressure: %8u %8d\n", ao_ms5607_current.pres, value.pres);
+ printf ("Temperature: %8u %8d\n", ao_ms5607_current.temp, value.temp);
printf ("Altitude: %ld\n", ao_pa_to_altitude(value.pres));
}
{ 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_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
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_PORT,
AO_MS5607_MISO_PIN,
STM_MODER_ALTERNATE);
+ #endif
}
#endif