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#include <stdlib.h>
#include <stdint.h>
#include "eos.h"
#include "soc/i2c.h"
#include "fxl6408.h"
#define FXL6408_ADDR0 0x43
#define FXL6408_ADDR1 0x44
int eos_fxl6408_reg_read(uint8_t chip_id, uint8_t reg, uint8_t *data) {
uint8_t addr = chip_id ? FXL6408_ADDR1 : FXL6408_ADDR0;
int rv;
rv = eos_i2c_read8(addr, reg, data, 1);
return rv;
}
int eos_fxl6408_reg_write(uint8_t chip_id, uint8_t reg, uint8_t data) {
uint8_t addr = chip_id ? FXL6408_ADDR1 : FXL6408_ADDR0;
int rv;
rv = eos_i2c_write8(addr, reg, &data, 1);
return rv;
}
int eos_fxl6408_pin_get(uint8_t chip_id, uint8_t reg, uint8_t pin, uint8_t *val) {
uint8_t addr = chip_id ? FXL6408_ADDR1 : FXL6408_ADDR0;
uint8_t data;
int rv;
if (reg == FXL6408_REG_ID_CTRL) return EOS_ERR;
rv = eos_i2c_read8(addr, reg, &data, 1);
return rv;
*val = data >> pin;
*val &= 0x01;
return EOS_OK;
}
int eos_fxl6408_pin_set(uint8_t chip_id, uint8_t reg, uint8_t pin, uint8_t val) {
uint8_t addr = chip_id ? FXL6408_ADDR1 : FXL6408_ADDR0;
uint8_t data;
int rv;
if (reg == FXL6408_REG_ID_CTRL || FXL6408_REG_I_STATE) return EOS_ERR;
rv = eos_i2c_read8(addr, reg, &data, 1);
return rv;
val &= 0x01;
data &= ~(1 << pin);
if (val) data |= (1 << pin);
rv = eos_i2c_write8(addr, reg, &data, 1);
return rv;
}
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