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/* Copyright (c) 2013 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.
*
* Common functions for battery charging.
*/
#include "charger.h"
#include "common.h"
#include "console.h"
#include "host_command.h"
#include "printf.h"
#include "smart_battery.h"
#include "util.h"
/* Console output macros */
#define CPUTS(outstr) cputs(CC_CHARGER, outstr)
#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
static int print_info(void)
{
int rv;
int d;
const struct charger_info *info;
/* info */
info = charger_get_info();
ccprintf("Name : %s\n", info->name);
/* option */
rv = charger_get_option(&d);
if (rv)
return rv;
ccprintf("Option: %016b (0x%04x)\n", d, d);
/* manufacturer id */
rv = charger_manufacturer_id(&d);
if (rv)
return rv;
ccprintf("Man id: 0x%04x\n", d);
/* device id */
rv = charger_device_id(&d);
if (rv)
return rv;
ccprintf("Dev id: 0x%04x\n", d);
/* charge voltage limit */
rv = charger_get_voltage(&d);
if (rv)
return rv;
ccprintf("V_batt: %5d (%4d - %5d, %3d)\n", d,
info->voltage_min, info->voltage_max, info->voltage_step);
/* charge current limit */
rv = charger_get_current(&d);
if (rv)
return rv;
ccprintf("I_batt: %5d (%4d - %5d, %3d)\n", d,
info->current_min, info->current_max, info->current_step);
/* input current limit */
rv = charger_get_input_current(&d);
if (rv)
return rv;
ccprintf("I_in : %5d (%4d - %5d, %3d)\n", d,
info->input_current_min, info->input_current_max,
info->input_current_step);
return EC_SUCCESS;
}
static int command_charger(int argc, char **argv)
{
int d;
char *e;
if (argc != 3)
return print_info();
if (strcasecmp(argv[1], "input") == 0) {
d = strtoi(argv[2], &e, 0);
if (*e)
return EC_ERROR_PARAM2;
return charger_set_input_current(d);
} else if (strcasecmp(argv[1], "current") == 0) {
d = strtoi(argv[2], &e, 0);
if (*e)
return EC_ERROR_PARAM2;
return charger_set_current(d);
} else if (strcasecmp(argv[1], "voltage") == 0) {
d = strtoi(argv[2], &e, 0);
if (*e)
return EC_ERROR_PARAM2;
return charger_set_voltage(d);
} else
return EC_ERROR_PARAM1;
}
DECLARE_CONSOLE_COMMAND(charger, command_charger,
"[input | current | voltage] [newval]",
"Get or set charger param(s)",
NULL);
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