1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
|
/* Copyright (c) 2012 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 battery command.
*/
#include "battery.h"
#include "charge_state.h"
#include "common.h"
#include "console.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "timer.h"
#include "util.h"
#include "watchdog.h"
#ifdef CONFIG_BATTERY_CUT_OFF
static int is_cut_off;
#endif
#ifdef CONFIG_BATTERY_PRESENT_GPIO
#ifdef CONFIG_BATTERY_PRESENT_CUSTOM
#error "Don't define both CONFIG_BATTERY_PRESENT_CUSTOM and" \
"CONFIG_BATTERY_PRESENT_GPIO"
#endif
/**
* Physical detection of battery.
*/
enum battery_present battery_is_present(void)
{
/* The GPIO is low when the battery is present */
return gpio_get_level(CONFIG_BATTERY_PRESENT_GPIO) ? BP_NO : BP_YES;
}
#endif
static const char *get_error_text(int rv)
{
if (rv == EC_ERROR_UNIMPLEMENTED)
return "(unsupported)";
else
return "(error)";
}
static void print_item_name(const char *name)
{
ccprintf(" %-11s", name);
}
static int check_print_error(int rv)
{
if (rv != EC_SUCCESS)
ccprintf("%s\n", get_error_text(rv));
return rv == EC_SUCCESS;
}
static void print_battery_status(void)
{
static const char * const st[] = {"EMPTY", "FULL", "DCHG", "INIT",};
static const char * const al[] = {"RT", "RC", "--", "TD",
"OT", "--", "TC", "OC"};
int value, i;
print_item_name("Status:");
if (check_print_error(battery_status(&value))) {
ccprintf("0x%04x", value);
/* bits 0-3 are only valid when the previous transaction
* failed, so ignore them */
/* bits 4-7 are status */
for (i = 0; i < 4; i++)
if (value & (1 << (i+4)))
ccprintf(" %s", st[i]);
/* bits 15-8 are alarms */
for (i = 0; i < 8; i++)
if (value & (1 << (i+8)))
ccprintf(" %s", al[i]);
ccprintf("\n");
}
}
static void print_battery_strings(void)
{
char text[32];
print_item_name("Manuf:");
if (check_print_error(battery_manufacturer_name(text, sizeof(text))))
ccprintf("%s\n", text);
print_item_name("Device:");
if (check_print_error(battery_device_name(text, sizeof(text))))
ccprintf("%s\n", text);
print_item_name("Chem:");
if (check_print_error(battery_device_chemistry(text, sizeof(text))))
ccprintf("%s\n", text);
}
static void print_battery_params(void)
{
#if defined(HAS_TASK_CHARGER)
/* Ask charger so that we don't need to ask battery again. */
const struct batt_params *batt = charger_current_battery_params();
#else
/* This is for test code, where doesn't have charger task. */
struct batt_params _batt;
const struct batt_params *batt = &_batt;
battery_get_params(&_batt);
#endif
print_item_name("Param flags:");
ccprintf("%08x\n", batt->flags);
print_item_name("Temp:");
ccprintf("0x%04x = %.1d K (%.1d C)\n",
batt->temperature,
batt->temperature,
batt->temperature - 2731);
print_item_name("V:");
ccprintf("0x%04x = %d mV\n", batt->voltage, batt->voltage);
print_item_name("V-desired:");
ccprintf("0x%04x = %d mV\n", batt->desired_voltage,
batt->desired_voltage);
print_item_name("I:");
ccprintf("0x%04x = %d mA", batt->current & 0xffff, batt->current);
if (batt->current > 0)
ccputs("(CHG)");
else if (batt->current < 0)
ccputs("(DISCHG)");
ccputs("\n");
print_item_name("I-desired:");
ccprintf("0x%04x = %d mA\n", batt->desired_current,
batt->desired_current);
print_item_name("Charging:");
ccprintf("%sAllowed\n",
batt->flags & BATT_FLAG_WANT_CHARGE ? "" : "Not ");
print_item_name("Charge:");
ccprintf("%d %%\n", batt->state_of_charge);
}
static void print_battery_info(void)
{
int value;
int hour, minute;
print_item_name("Serial:");
if (check_print_error(battery_serial_number(&value)))
ccprintf("0x%04x\n", value);
print_item_name("V-design:");
if (check_print_error(battery_design_voltage(&value)))
ccprintf("0x%04x = %d mV\n", value, value);
print_item_name("Mode:");
if (check_print_error(battery_get_mode(&value)))
ccprintf("0x%04x\n", value);
print_item_name("Abs charge:");
if (check_print_error(battery_state_of_charge_abs(&value)))
ccprintf("%d %%\n", value);
print_item_name("Remaining:");
if (check_print_error(battery_remaining_capacity(&value)))
ccprintf("%d mAh\n", value);
print_item_name("Cap-full:");
if (check_print_error(battery_full_charge_capacity(&value)))
ccprintf("%d mAh\n", value);
print_item_name(" Design:");
if (check_print_error(battery_design_capacity(&value)))
ccprintf("%d mAh\n", value);
print_item_name("Time-full:");
if (check_print_error(battery_time_to_full(&value))) {
if (value == 65535) {
hour = 0;
minute = 0;
} else {
hour = value / 60;
minute = value % 60;
}
ccprintf("%dh:%d\n", hour, minute);
}
print_item_name(" Empty:");
if (check_print_error(battery_time_to_empty(&value))) {
if (value == 65535) {
hour = 0;
minute = 0;
} else {
hour = value / 60;
minute = value % 60;
}
ccprintf("%dh:%d\n", hour, minute);
}
}
static int command_battery(int argc, char **argv)
{
int repeat = 1;
int loop;
int sleep_ms = 0;
char *e;
if (argc > 1) {
repeat = strtoi(argv[1], &e, 0);
if (*e) {
ccputs("Invalid repeat count\n");
return EC_ERROR_INVAL;
}
}
if (argc > 2) {
sleep_ms = strtoi(argv[2], &e, 0);
if (*e) {
ccputs("Invalid sleep ms\n");
return EC_ERROR_INVAL;
}
}
for (loop = 0; loop < repeat; loop++) {
print_battery_status();
print_battery_params();
print_battery_strings();
print_battery_info();
/*
* Running with a high repeat count will take so long the
* watchdog timer fires. So reset the watchdog timer each
* iteration.
*/
watchdog_reload();
if (sleep_ms)
msleep(sleep_ms);
}
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(battery, command_battery,
"<repeat_count> <sleep_ms>",
"Print battery info",
NULL);
#ifdef CONFIG_BATTERY_CUT_OFF
int battery_is_cut_off(void)
{
return is_cut_off;
}
static void clean_cut_off(void)
{
if (extpower_is_present())
is_cut_off = 0;
}
DECLARE_HOOK(HOOK_AC_CHANGE, clean_cut_off, HOOK_PRIO_DEFAULT);
static int battery_command_cut_off(struct host_cmd_handler_args *args)
{
int rv = board_cut_off_battery();
if (!rv)
is_cut_off = 1;
return rv;
}
DECLARE_HOST_COMMAND(EC_CMD_BATTERY_CUT_OFF, battery_command_cut_off,
EC_VER_MASK(0));
static int command_cutoff(int argc, char **argv)
{
int rv = board_cut_off_battery();
if (!rv)
is_cut_off = 1;
return rv;
}
DECLARE_CONSOLE_COMMAND(cutoff, command_cutoff,
"",
"Cut off the battery output",
NULL);
#else
int battery_is_cut_off(void)
{
return 0; /* Always return NOT cut off */
}
#endif /* CONFIG_BATTERY_CUT_OFF */
#ifdef CONFIG_BATTERY_VENDOR_PARAM
static int console_command_battery_vendor_param(int argc, char **argv)
{
uint32_t param;
uint32_t value;
char *e;
int rv;
if (argc < 2)
return EC_ERROR_INVAL;
param = strtoi(argv[1], &e, 0);
if (*e) {
ccputs("Invalid param\n");
return EC_ERROR_INVAL;
}
if (argc > 2) {
value = strtoi(argv[2], &e, 0);
if (*e) {
ccputs("Invalid value\n");
return EC_ERROR_INVAL;
}
rv = battery_set_vendor_param(param, value);
if (rv != EC_SUCCESS)
return rv;
}
rv = battery_get_vendor_param(param, &value);
if (rv != EC_SUCCESS)
return rv;
ccprintf("0x%08x\n", value);
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(battparam, console_command_battery_vendor_param,
"<param> [value]",
"Get or set battery vendor parameters",
NULL);
static int host_command_battery_vendor_param(struct host_cmd_handler_args *args)
{
int rv;
const struct ec_params_battery_vendor_param *p = args->params;
struct ec_response_battery_vendor_param *r = args->response;
args->response_size = sizeof(*r);
if (p->mode != BATTERY_VENDOR_PARAM_MODE_GET &&
p->mode != BATTERY_VENDOR_PARAM_MODE_SET)
return EC_RES_INVALID_PARAM;
if (p->mode == BATTERY_VENDOR_PARAM_MODE_SET) {
rv = battery_set_vendor_param(p->param, p->value);
if (rv != EC_SUCCESS)
return rv;
}
rv = battery_get_vendor_param(p->param, &r->value);
return rv;
}
DECLARE_HOST_COMMAND(EC_CMD_BATTERY_VENDOR_PARAM,
host_command_battery_vendor_param,
EC_VER_MASK(0));
#endif /* CONFIG_BATTERY_VENDOR_PARAM */
|