Merge branch 'main' of github.com:joeycastillo/Sensor-Watch into motion-express
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@@ -207,3 +207,32 @@ void lis2dw_clear_fifo(void) {
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_FIFO_CTRL, LIS2DW_FIFO_CTRL_MODE_OFF);
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_FIFO_CTRL, LIS2DW_FIFO_CTRL_MODE_COLLECT_AND_STOP | LIS2DW_FIFO_CTRL_FTH);
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}
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void lis2dw_configure_wakeup_int1(uint8_t threshold, bool latch, bool active_state) {
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uint8_t configuration;
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// enable wakeup interrupt on INT1 pin
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configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL4_INT1);
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL4_INT1, configuration | LIS2DW_CTRL4_INT1_WU);
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// set threshold
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_WAKE_UP_THS, threshold | LIS2DW_WAKE_UP_THS_VAL_SLEEP_ON);
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_INT1_DUR, 0b01111111);
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configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL3) & ~(LIS2DW_CTRL3_VAL_LIR);
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if (!active_state) configuration |= LIS2DW_CTRL3_VAL_H_L_ACTIVE;
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if (latch) configuration |= LIS2DW_CTRL3_VAL_LIR;
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL3, configuration);
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// enable interrupts
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configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7);
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watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7, configuration | LIS2DW_CTRL7_VAL_INTERRUPTS_ENABLE);
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}
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lis2dw_wakeup_source lis2dw_get_wakeup_source() {
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return (lis2dw_wakeup_source) watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_WAKE_UP_SRC);
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}
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lis2dw_interrupt_source lis2dw_get_interrupt_source(void) {
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return (lis2dw_interrupt_source) watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_ALL_INT_SRC);
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}
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