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smart_battery: Add console command to read ManufacturerAccess() data

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Added console command to read ManufacturerAccess() data on a given
register block.

BUG=chrome-os-partner:59660
BRANCH=none
TEST=Enabled config on Reef.
     Successfully able to read ManufacturerAccess() data

Change-Id: Ic86ae1b44ca8016634c48b54b1130d30fdd2d3fa
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/409638
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Vijay Hiremath
2016-11-09 23:16:05 -08:00
committed by chrome-bot
parent 4975e8db75
commit 98402bb466
3 changed files with 59 additions and 0 deletions
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1
board/reef/board.h
View File

@@ -26,6 +26,7 @@
/* EC console commands */
#define CONFIG_CMD_ACCELS
#define CONFIG_CMD_ACCEL_INFO
#define CONFIG_CMD_BATT_MFG_ACCESS
#define CONFIG_CMD_CHARGER_ADC_AMON_BMON
#define CONFIG_CHARGER_SENSE_RESISTOR 10
#define CONFIG_CHARGER_SENSE_RESISTOR_AC 10

57
driver/battery/smart.c
View File

@@ -389,6 +389,63 @@ DECLARE_CONSOLE_COMMAND(battfake, command_battfake,
"Set fake battery level");
#endif
#ifdef CONFIG_CMD_BATT_MFG_ACCESS
static int command_batt_mfg_access_read(int argc, char **argv)
{
char *e;
uint8_t data[32];
int cmd, block, len = 6;
int rv;
if (argc < 3 || argc > 4)
return EC_ERROR_PARAM_COUNT;
cmd = strtoi(argv[1], &e, 0);
if (*e || cmd < 0)
return EC_ERROR_PARAM1;
block = strtoi(argv[2], &e, 0);
if (*e || block < 0)
return EC_ERROR_PARAM2;
if (argc > 3) {
len = strtoi(argv[3], &e, 0);
len += 2;
if (*e || len < 1 || len > sizeof(data))
return EC_ERROR_PARAM3;
}
/* Send manufacturer access command */
rv = sb_write(SB_MANUFACTURER_ACCESS, cmd);
if (rv)
return rv;
/*
* Read data on the register block.
* First two bytes returned are command sent,
* rest are actual data LSB to MSB.
*/
rv = sb_read_string(I2C_PORT_BATTERY, BATTERY_ADDR,
block, data, len);
if (rv)
return rv;
if (data[0] != (cmd & 0xff) || data[1] != (cmd >> 8 & 0xff))
return EC_ERROR_UNKNOWN;
ccprintf("data[MSB->LSB]=0x");
do {
len--;
ccprintf("%02x ", data[len]);
} while (len > 2);
ccprintf("\n");
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(battmfgacc, command_batt_mfg_access_read,
"cmd block | len",
"Read battery manufacture access data");
#endif /* CONFIG_CMD_BATT_MFG_ACCESS */
/*****************************************************************************/
/* Smart battery pass-through
*/

1
include/config.h
View File

@@ -585,6 +585,7 @@
#define CONFIG_CMD_APTHROTTLE
#undef CONFIG_CMD_BATDEBUG
#define CONFIG_CMD_BATTFAKE
#undef CONFIG_CMD_BATT_MFG_ACCESS
#undef CONFIG_CMD_BUTTON
#define CONFIG_CMD_CHARGER
#undef CONFIG_CMD_CHARGER_ADC_AMON_BMON