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#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include "eos.h"
#include "power.h"
#include "i2c.h"
#include "i2c/bq25895.h"
int eos_bq25895_init(uint8_t wakeup_cause) {
int rst = (wakeup_cause == EOS_PWR_WAKE_RST);
int i, rv = EOS_OK;
uint8_t data = 0;
rv = eos_i2c_start(100000);
if (rv) return rv;
if (rst) {
rv = eos_i2c_write8(BQ25895_ADDR, 0x14, 0x80); // reset
if (rv) printf("I2C ERROR 0x14\n");
rv = eos_i2c_write8(BQ25895_ADDR, 0x14, 0x00); // disable watchdog
if (rv) printf("I2C ERROR 0x14\n");
rv = eos_i2c_write8(BQ25895_ADDR, 0x07, 0x8d); // disable watchdog
if (rv) printf("I2C ERROR 0x07\n");
rv = eos_i2c_write8(BQ25895_ADDR, 0x00, 0x28); // 2.1A input current
if (rv) printf("I2C ERROR 0x00\n");
rv = eos_i2c_write8(BQ25895_ADDR, 0x02, 0x30); // enable ICO, disaable MaxCharge and D+/D-
if (rv) printf("I2C ERROR 0x02\n");
}
printf("BQ25895:\n");
for (i=0; i<0x15; i++) {
rv = eos_i2c_read8(BQ25895_ADDR, i, &data);
if (!rv) printf("REG%02x: %02x\n", i, data);
}
eos_i2c_stop();
return EOS_OK;
}
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