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added support for LSM303DLHC e-Compass; (#783)

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fixed the spelling in the Connection error message; Initial support for LSM303DLHC added;
Added LSM303DLHC to smoketest and added an example;
Removed unnecessary comments;
fixed format error;
squashed and ready for merge;
This commit is contained in:
Bryan Souza
2025-08-10 23:47:22 -07:00
committed by GitHub
parent 833990f44d
commit 303ec94529
5 changed files with 349 additions and 1 deletions
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lsm303dlhc/registers.go
+75
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package lsm303dlhc
const (
// Constants/addresses used for I2C.
ACCEL_ADDRESS = 0x19
MAG_ADDRESS = 0x1E
// i2C 8-bit subaddress (SUB): the 7 LSb represent the actual register address
// while the MSB enables address auto increment.
// If the MSb of the SUB field is 1, the SUB (register address) is
// automatically increased to allow multiple data read/writes.
ADDR_AUTO_INC_MASK = 0x80
// accelerometer registers.
ACCEL_CTRL_REG1_A = 0x20
ACCEL_CTRL_REG4_A = 0x23
ACCEL_OUT_X_L_A = 0x28
ACCEL_OUT_X_H_A = 0x29
ACCEL_OUT_Y_L_A = 0x2A
ACCEL_OUT_Y_H_A = 0x2B
ACCEL_OUT_Z_L_A = 0x2C
ACCEL_OUT_Z_H_A = 0x2D
ACCEL_OUT_AUTO_INC = ACCEL_OUT_X_L_A | ADDR_AUTO_INC_MASK
// magnetic sensor registers.
MAG_MR_REG_M = 0x02
MAG_OUT_X_L_M = 0x68
MAG_OUT_X_H_M = 0x69
MAG_OUT_Y_L_M = 0x6A
MAG_OUT_Y_H_M = 0x6B
MAG_OUT_Z_L_M = 0x6C
MAG_OUT_Z_H_M = 0x6D
MAG_OUT_AUTO_INC = MAG_OUT_X_L_M | ADDR_AUTO_INC_MASK
// temperature sensor registers.
CRA_REG_M = 0x80
TEMP_OUT_L_M = 0x32
TEMP_OUT_H_M = 0x31
TEMP_OUT_AUTO_INC = TEMP_OUT_L_M | ADDR_AUTO_INC_MASK
// accelerometer power mode.
ACCEL_POWER_NORMAL = 0x00 // default
ACCEL_POWER_LOW = 0x08
// accelerometer range.
ACCEL_RANGE_2G = 0x00 // default
ACCEL_RANGE_4G = 0x01
ACCEL_RANGE_8G = 0x02
ACCEL_RANGE_16G = 0x03
// accelerometer data rate.
ACCEL_DATARATE_1HZ = 0x01
ACCEL_DATARATE_10HZ = 0x02
ACCEL_DATARATE_25HZ = 0x03
ACCEL_DATARATE_50HZ = 0x04
ACCEL_DATARATE_100HZ = 0x05 // default
ACCEL_DATARATE_200HZ = 0x06
ACCEL_DATARATE_400HZ = 0x07
ACCEL_DATARATE_1344HZ = 0x09 // 5376Hz in low-power mode
// magnetic sensor power mode.
MAG_POWER_NORMAL = 0x00 // default
MAG_POWER_LOW = 0x01
// magnetic sensor operate mode.
MAG_SYSTEM_CONTINUOUS = 0x00 // default
MAG_SYSTEM_SINGLE = 0x01
// magnetic sensor data rate
MAG_DATARATE_10HZ = 0x00 // default
MAG_DATARATE_20HZ = 0x01
MAG_DATARATE_50HZ = 0x02
MAG_DATARATE_100HZ = 0x03
)