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IronOS/source/Core/Drivers/MSA301.cpp
Ben V. Brown 08002e0d33 Fix RToS Update (#2091)
* Silence undef

* Update Makefile

* Fix task priorities

* Bump CI host images

* Format c++

* Update make_translation.py

* Update bl702_common.c
2025-03-02 08:56:23 +11:00

48 lines
1.6 KiB
C++

/*
* MSA301.cpp
*
* Created on: 3 Jan 2021
* Author: Ralim
*/
#include "MSA301_defines.h"
#include "accelerometers_common.h"
#include <MSA301.h>
#define MSA301_I2C_ADDRESS 0x26 << 1
bool MSA301::detect() { return ACCEL_I2C_CLASS::probe(MSA301_I2C_ADDRESS); }
static const ACCEL_I2C_CLASS::I2C_REG i2c_registers[] = {
//
//
{ MSA301_REG_ODR, 0b00001000, 1}, // X/Y/Z enabled @ 250Hz
{MSA301_REG_POWERMODE, 0b0001001, 1}, // Normal mode
{ MSA301_REG_RESRANGE, 0b00000001, 0}, // 14bit resolution @ 4G range
{MSA301_REG_ORIENT_HY, 0b01000000, 0}, // 4*62.5mg hyst, no blocking, symmetrical
{ MSA301_REG_INTSET0, 1 << 6, 0}, // Turn on orientation detection (by enabling its interrupt)
};
bool MSA301::initalize() { return ACCEL_I2C_CLASS::writeRegistersBulk(MSA301_I2C_ADDRESS, i2c_registers, sizeof(i2c_registers) / sizeof(i2c_registers[0])); }
Orientation MSA301::getOrientation() {
uint8_t temp = 0;
ACCEL_I2C_CLASS::Mem_Read(MSA301_I2C_ADDRESS, MSA301_REG_ORIENT_STATUS, &temp, 1);
switch (temp) {
case 112:
return Orientation::ORIENTATION_LEFT_HAND;
case 96:
return Orientation::ORIENTATION_RIGHT_HAND;
default:
return Orientation::ORIENTATION_FLAT;
}
}
void MSA301::getAxisReadings(int16_t &x, int16_t &y, int16_t &z) {
uint8_t temp[6];
// Bulk read all 6 regs
ACCEL_I2C_CLASS::Mem_Read(MSA301_I2C_ADDRESS, MSA301_REG_OUT_X_L, temp, 6);
x = int16_t(((int16_t)temp[1]) << 8 | temp[0]) >> 2;
y = int16_t(((int16_t)temp[3]) << 8 | temp[2]) >> 2;
z = int16_t(((int16_t)temp[5]) << 8 | temp[4]) >> 2;
}