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increase adxl345 range from +-2g to +-16g for aspirin driver

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- as the full resolution bit is set the LSB/g sensitivity stays the same
- this changes the output resolution from 10 to 13 bit
This commit is contained in:
Felix Ruess
2012-02-06 01:35:26 +01:00
parent d6d49485b4
commit a766be8cd4
1 changed files with 2 additions and 2 deletions
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sw/airborne/subsystems/imu/imu_aspirin.c
+2 -2
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@@ -101,8 +101,8 @@ static void configure_accel(void) {
adxl345_write_to_reg(ADXL345_REG_POWER_CTL, 1<<3);
/* enable data ready interrupt */
adxl345_write_to_reg(ADXL345_REG_INT_ENABLE, 1<<7);
/* Enable full res and interrupt active low */
adxl345_write_to_reg(ADXL345_REG_DATA_FORMAT, 1<<3|1<<5);
/* Enable full res with +-16g range and interrupt active low */
adxl345_write_to_reg(ADXL345_REG_DATA_FORMAT, 1<<0|1<<1|1<<3|1<<5);
/* clear spi rx reg to make DMA happy */
adxl345_clear_rx_buf();
/* reads data once to bring interrupt line up */