Files
OpenCellular/board/grunt/battery.c
Edward Hill 359b98c312 grunt: Update battery info
Adjust values to match the datasheet.

BUG=b:69683279
BRANCH=none
TEST=make BOARD=grunt

Change-Id: Ic95e9f2ccf2316f342d014f6042fb7b0f7108357
Signed-off-by: Edward Hill <ecgh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/817876
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2017-12-11 22:44:27 -08:00

40 lines
1.0 KiB
C

/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Battery pack vendor provided charging profile
*/
#include "battery.h"
#include "battery_smart.h"
#include "extpower.h"
#include "gpio.h"
/* Shutdown mode parameter to write to manufacturer access register */
#define SB_SHUTDOWN_DATA 0x0010
static const struct battery_info info = {
.voltage_max = 13200, /* mV */
.voltage_normal = 11550,
.voltage_min = 9000,
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = -20,
.discharging_max_c = 75,
};
const struct battery_info *battery_get_info(void)
{
return &info;
}
int board_cut_off_battery(void)
{
int rv;
/* Ship mode command must be sent twice to take effect */
rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
if (rv != EC_SUCCESS)
return rv;
return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
}