void cb_fast_tick(void);
void cb_tick(void);
-#ifdef HAS_ACCELEROMETER
void cb_accelerometer_event(void);
void cb_accelerometer_wake(void);
uint8_t active_minutes = 0;
-#endif
#if __EMSCRIPTEN__
void yield(void) {
static void _movement_handle_top_of_minute(void) {
watch_date_time_t date_time = watch_rtc_get_date_time();
-#ifdef HAS_ACCELEROMETER
- bool accelerometer_is_alseep = HAL_GPIO_A4_read();
- if (!accelerometer_is_alseep) active_minutes++;
- printf("Active minutes: %d\n", active_minutes);
+ if (movement_state.has_lis2dw) {
+ bool accelerometer_is_alseep = HAL_GPIO_A4_read();
+ if (!accelerometer_is_alseep) active_minutes++;
+ printf("Active minutes: %d\n", active_minutes);
- // log data every five minutes, and reset the active_minutes count.
- if ((date_time.unit.minute % 5) == 0) {
- _movement_log_data();
- active_minutes = 0;
+ // log data every five minutes, and reset the active_minutes count.
+ if ((date_time.unit.minute % 5) == 0) {
+ _movement_log_data();
+ active_minutes = 0;
+ }
}
-#endif
// update the DST offset cache every 30 minutes, since someplace in the world could change.
if (date_time.unit.minute % 30 == 0) {
movement_state.alarm_enabled = value;
}
-void movement_enable_tap_detection_if_available(void) {
-#ifdef HAS_ACCELEROMETER
- // configure tap duration threshold and enable Z axis
- lis2dw_configure_tap_threshold(0, 0, 12, LIS2DW_REG_TAP_THS_Z_Z_AXIS_ENABLE);
- lis2dw_configure_tap_duration(10, 2, 2);
+bool movement_enable_tap_detection_if_available(void) {
+ if (movement_state.has_lis2dw) {
+ // configure tap duration threshold and enable Z axis
+ lis2dw_configure_tap_threshold(0, 0, 12, LIS2DW_REG_TAP_THS_Z_Z_AXIS_ENABLE);
+ lis2dw_configure_tap_duration(10, 2, 2);
- // ramp data rate up to 400 Hz and high performance mode
- lis2dw_set_low_noise_mode(true);
- lis2dw_set_data_rate(LIS2DW_DATA_RATE_HP_400_HZ);
- lis2dw_set_mode(LIS2DW_MODE_HIGH_PERFORMANCE);
+ // ramp data rate up to 400 Hz and high performance mode
+ lis2dw_set_low_noise_mode(true);
+ lis2dw_set_data_rate(LIS2DW_DATA_RATE_HP_400_HZ);
+ lis2dw_set_mode(LIS2DW_MODE_HIGH_PERFORMANCE);
- // Settling time (1 sample duration, i.e. 1/400Hz)
- delay_ms(3);
+ // Settling time (1 sample duration, i.e. 1/400Hz)
+ delay_ms(3);
- // enable tap detection on INT1/A3.
- lis2dw_configure_int1(LIS2DW_CTRL4_INT1_SINGLE_TAP | LIS2DW_CTRL4_INT1_6D);
- // and enable the cb_accelerometer_event interrupt callback, so we can catch tap events.
- watch_register_interrupt_callback(HAL_GPIO_A3_pin(), cb_accelerometer_event, INTERRUPT_TRIGGER_RISING);
-#endif
+ // enable tap detection on INT1/A3.
+ lis2dw_configure_int1(LIS2DW_CTRL4_INT1_SINGLE_TAP | LIS2DW_CTRL4_INT1_6D);
+ // and enable the cb_accelerometer_event interrupt callback, so we can catch tap events.
+ watch_register_interrupt_callback(HAL_GPIO_A3_pin(), cb_accelerometer_event, INTERRUPT_TRIGGER_RISING);
+
+ return true;
+ }
+
+ return false;
}
-void movement_disable_tap_detection_if_available(void) {
-#ifdef HAS_ACCELEROMETER
- // Ramp data rate back down to the usual lowest rate to save power.
- lis2dw_set_low_noise_mode(false);
- lis2dw_set_data_rate(LIS2DW_DATA_RATE_LOWEST);
- lis2dw_set_mode(LIS2DW_MODE_LOW_POWER);
- // disable the interrupt on INT1/A3...
- eic_disable_interrupt(HAL_GPIO_A3_pin());
- // ...disable Z axis (not sure if this is needed, does this save power?)...
- lis2dw_configure_tap_threshold(0, 0, 0, 0);
-#endif
+bool movement_disable_tap_detection_if_available(void) {
+ if (movement_state.has_lis2dw) {
+ // Ramp data rate back down to the usual lowest rate to save power.
+ lis2dw_set_low_noise_mode(false);
+ lis2dw_set_data_rate(LIS2DW_DATA_RATE_LOWEST);
+ lis2dw_set_mode(LIS2DW_MODE_LOW_POWER);
+ // disable the interrupt on INT1/A3...
+ eic_disable_interrupt(HAL_GPIO_A3_pin());
+ // ...disable Z axis (not sure if this is needed, does this save power?)...
+ lis2dw_configure_tap_threshold(0, 0, 0, 0);
+
+ return true;
+ }
+
+ return false;
}
void app_init(void) {
watch_register_interrupt_callback(HAL_GPIO_BTN_LIGHT_pin(), cb_light_btn_interrupt, INTERRUPT_TRIGGER_BOTH);
watch_register_interrupt_callback(HAL_GPIO_BTN_ALARM_pin(), cb_alarm_btn_interrupt, INTERRUPT_TRIGGER_BOTH);
-#ifdef HAS_ACCELEROMETER
-// gossamer doesn't include all the chip-specific constants, so we have to fake them here.
-#ifndef EVSYS_ID_GEN_EIC_EXTINT_3
-#define EVSYS_ID_GEN_EIC_EXTINT_3 18
-#endif
-#ifndef EVSYS_ID_USER_TC2_EVU
-#define EVSYS_ID_USER_TC2_EVU 17
-#endif
+#ifdef I2C_SERCOM
watch_enable_i2c();
if (lis2dw_begin()) {
+ movement_state.has_lis2dw = true;
+
lis2dw_set_mode(LIS2DW_MODE_LOW_POWER); // select low power (not high performance) mode
lis2dw_set_low_power_mode(LIS2DW_LP_MODE_1); // lowest power mode, 12-bit
lis2dw_set_low_noise_mode(false); // low noise mode raises power consumption slightly; we don't need it
// watch_register_extwake_callback(HAL_GPIO_A4_pin(), cb_accelerometer_wake, false);
lis2dw_enable_interrupts();
+ } else {
+ watch_disable_i2c();
}
#endif
}
}
-#ifdef HAS_ACCELEROMETER
void cb_accelerometer_event(void) {
uint8_t int_src = lis2dw_get_interrupt_source();
// also: wake up!
_movement_reset_inactivity_countdown();
}
-
-#endif
#include "watch.h"
#include "watch_utility.h"
-#ifdef HAS_TEMPERATURE_SENSOR
void thermistor_driver_enable(void) {
+#ifdef HAS_TEMPERATURE_SENSOR
// Enable the ADC peripheral, which we'll use to read the thermistor value.
watch_enable_adc();
// Enable analog circuitry on the sense pin, which is tied to the thermistor resistor divider.
HAL_GPIO_TS_ENABLE_out();
// and make sure it's off.
HAL_GPIO_TS_ENABLE_write(!THERMISTOR_ENABLE_VALUE);
+#endif
}
void thermistor_driver_disable(void) {
+#ifdef HAS_TEMPERATURE_SENSOR
// Disable the ADC peripheral.
watch_disable_adc();
// Disable analog circuitry on the sense pin to save power.
HAL_GPIO_TEMPSENSE_off();
// Disable the enable pin's output circuitry.
HAL_GPIO_TS_ENABLE_off();
+#endif
}
float thermistor_driver_get_temperature(void) {
+#ifdef HAS_TEMPERATURE_SENSOR
// set the enable pin to the level that powers the thermistor circuit.
HAL_GPIO_TS_ENABLE_write(THERMISTOR_ENABLE_VALUE);
// get the sense pin level
HAL_GPIO_TS_ENABLE_write(!THERMISTOR_ENABLE_VALUE);
return watch_utility_thermistor_temperature(value, THERMISTOR_HIGH_SIDE, THERMISTOR_B_COEFFICIENT, THERMISTOR_NOMINAL_TEMPERATURE, THERMISTOR_NOMINAL_RESISTANCE, THERMISTOR_SERIES_RESISTANCE);
+#else
+ return (float) 0xFFFFFFFF;
+#endif
}
-
-#endif // HAS_TEMPERATURE_SENSOR
\ No newline at end of file
projects / sensor-watch.git / commitdiff