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Backend work for supporting adjusting movement sensitivity

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Ben V. Brown
2017-05-15 23:00:42 +10:00
parent fceb81287e
commit 9b51750a1d
7 changed files with 37 additions and 31 deletions
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4
workspace/ts100/src/MMA8652FC.c
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@@ -29,12 +29,12 @@ uint8_t I2C_RegisterRead(uint8_t reg) {
return tx_data[0];
}
void StartUp_Accelerometer(void) {
void StartUp_Accelerometer(uint8_t sensitivity) {
I2C_RegisterWrite(CTRL_REG2, 0); //Normal mode
I2C_RegisterWrite( CTRL_REG2, 0x40); // Reset all registers to POR values
delayMs(2); // ~1ms delay
I2C_RegisterWrite(FF_MT_CFG_REG, 0x78); // Enable motion detection for X and Y axis, latch enabled
I2C_RegisterWrite(FF_MT_THS_REG, 0x0F); // Set threshold
I2C_RegisterWrite(FF_MT_THS_REG, sensitivity); // Set threshold
I2C_RegisterWrite(FF_MT_COUNT_REG, 0x01); // Set debounce to 100ms
I2C_RegisterWrite( CTRL_REG4, 0x04); // Enable motion interrupt