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Explicitly set interrupt type to latched

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This commit is contained in:
David Volovskiy
2025-11-16 10:15:46 -05:00
committed by Alessandro Genova
parent 7526b30b3d
commit c5fe350fa1
3 changed files with 21 additions and 2 deletions
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5
movement.c
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@ -284,12 +284,12 @@ static uint32_t _movement_get_accelerometer_events() {
if (int_src & LIS2DW_REG_ALL_INT_SRC_DOUBLE_TAP) {
accelerometer_events |= 1 << EVENT_DOUBLE_TAP;
printf("Double tap!\n");
printf("Double tap!\r\n");
}
if (int_src & LIS2DW_REG_ALL_INT_SRC_SINGLE_TAP) {
accelerometer_events |= 1 << EVENT_SINGLE_TAP;
printf("Single tap!\n");
printf("Single tap!\r\n");
}
return accelerometer_events;
@ -1118,6 +1118,7 @@ void app_setup(void) {
watch_register_interrupt_callback(HAL_GPIO_A3_pin(), cb_accelerometer_event, INTERRUPT_TRIGGER_RISING);
// Enable the interrupts...
lis2dw_latched_interrupts();
lis2dw_enable_interrupts();
// At first boot, this next line sets the accelerometer's sampling rate to 0, which is LIS2DW_DATA_RATE_POWERDOWN.

14
watch-library/shared/driver/lis2dw.c
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@ -425,6 +425,20 @@ void lis2dw_disable_interrupts(void) {
#endif
}
void lis2dw_pulsed_interrupts(void) {
#ifdef I2C_SERCOM
uint8_t configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7, configuration | LIS2DW_CTRL7_VAL_DRDY_PULSED);
#endif
}
void lis2dw_latched_interrupts(void) {
#ifdef I2C_SERCOM
uint8_t configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7, configuration & ~LIS2DW_CTRL7_VAL_DRDY_PULSED);
#endif
}
lis2dw_wakeup_source_t lis2dw_get_wakeup_source() {
#ifdef I2C_SERCOM
return (lis2dw_wakeup_source_t) watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_WAKE_UP_SRC);

4
watch-library/shared/driver/lis2dw.h
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@ -375,6 +375,10 @@ void lis2dw_enable_interrupts(void);
void lis2dw_disable_interrupts(void);
void lis2dw_pulsed_interrupts(void);
void lis2dw_latched_interrupts(void);
lis2dw_interrupt_source_t lis2dw_get_interrupt_source(void);
lis2dw_wakeup_source_t lis2dw_get_wakeup_source(void);