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c243537dda
BUG=chrome-os-partner:20863 BRANCH=falco,peppy,slippy,wolf TEST=Manual. On Peppy, there should no longer be "Charging Voltage" messages every second on the EC console. On other platforms verify that V_Batt reported by the 'charger' command is divisible by 16. Change-Id: Idd775a1d8033ff3405d10919e1e15ddddebc6c23 Signed-off-by: Dave Parker <dparker@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/62699 Reviewed-by: Bill Richardson <wfrichar@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org>
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Common functions for battery charging.
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*/
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#include "charger.h"
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#include "common.h"
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#include "console.h"
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#include "host_command.h"
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#include "printf.h"
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#include "smart_battery.h"
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#include "util.h"
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/* Console output macros */
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#define CPUTS(outstr) cputs(CC_CHARGER, outstr)
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#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
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int charger_closest_voltage(int voltage)
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{
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const struct charger_info *info;
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info = charger_get_info();
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return voltage - (voltage % info->voltage_step);
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}
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static int print_info(void)
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{
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int rv;
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int d;
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const struct charger_info *info;
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/* info */
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info = charger_get_info();
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ccprintf("Name : %s\n", info->name);
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/* option */
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rv = charger_get_option(&d);
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if (rv)
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return rv;
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ccprintf("Option: %016b (0x%04x)\n", d, d);
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/* manufacturer id */
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rv = charger_manufacturer_id(&d);
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if (rv)
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return rv;
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ccprintf("Man id: 0x%04x\n", d);
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/* device id */
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rv = charger_device_id(&d);
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if (rv)
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return rv;
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ccprintf("Dev id: 0x%04x\n", d);
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/* charge voltage limit */
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rv = charger_get_voltage(&d);
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if (rv)
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return rv;
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ccprintf("V_batt: %5d (%4d - %5d, %3d)\n", d,
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info->voltage_min, info->voltage_max, info->voltage_step);
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/* charge current limit */
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rv = charger_get_current(&d);
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if (rv)
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return rv;
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ccprintf("I_batt: %5d (%4d - %5d, %3d)\n", d,
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info->current_min, info->current_max, info->current_step);
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/* input current limit */
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rv = charger_get_input_current(&d);
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if (rv)
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return rv;
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ccprintf("I_in : %5d (%4d - %5d, %3d)\n", d,
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info->input_current_min, info->input_current_max,
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info->input_current_step);
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return EC_SUCCESS;
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}
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static int command_charger(int argc, char **argv)
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{
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int d;
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char *e;
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if (argc != 3)
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return print_info();
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if (strcasecmp(argv[1], "input") == 0) {
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d = strtoi(argv[2], &e, 0);
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if (*e)
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return EC_ERROR_PARAM2;
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return charger_set_input_current(d);
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} else if (strcasecmp(argv[1], "current") == 0) {
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d = strtoi(argv[2], &e, 0);
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if (*e)
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return EC_ERROR_PARAM2;
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return charger_set_current(d);
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} else if (strcasecmp(argv[1], "voltage") == 0) {
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d = strtoi(argv[2], &e, 0);
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if (*e)
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return EC_ERROR_PARAM2;
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return charger_set_voltage(d);
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} else
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return EC_ERROR_PARAM1;
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}
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DECLARE_CONSOLE_COMMAND(charger, command_charger,
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"[input | current | voltage] [newval]",
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"Get or set charger param(s)",
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NULL);
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