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#include <stdlib.h>
#include <stdint.h>
#include "eos.h"
#include "soc/pwr.h"
#include "drv/bq25895.h"
#ifdef EOS_DEBUG
#include <stdio.h>
#endif
int eos_batt_init(void) {
uint8_t wakeup_cause;
int rst, rv;
#ifdef EOS_DEBUG
uint8_t data;
int i;
#endif
rv = EOS_OK;
wakeup_cause = eos_pwr_wakeup_cause();
rst = (wakeup_cause == EOS_PWR_WAKE_RST);
if (rst) {
// if (!rv) rv = bq25895_reg_write(0x14, 0x80); // reset
// if (!rv) rv = bq25895_reg_write(0x14, 0x00);
if (!rv) rv = bq25895_reg_write(0x07, 0x8d); // disable watchdog
if (!rv) rv = bq25895_reg_write(0x03, 0x2e); // disable charging, 3.7V minimum output
}
if (rv) return rv;
#ifdef EOS_DEBUG
printf("BQ25895:\n");
for (i=0; i<0x15; i++) {
rv = bq25895_reg_read(i, &data);
if (!rv) printf(" REG%.2X: %.2X\n", i, data);
}
#endif
return EOS_OK;
}
int eos_batt_read_fault(uint8_t *fault0, uint8_t *fault1) {
int rv;
rv = bq25895_read_fault(fault0);
if (rv) return rv;
rv = bq25895_read_fault(fault1);
if (rv) return rv;
return EOS_OK;
}
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