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Add console command to inject host command

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For easier testing.

BUG=chrome-os-partner:11350
TEST=Try host command 0x01=CMD_HELLO.
      > hostcmd 0x01 0 00000000
      04030201
      > hostcmd 0x01 0 01020304
      05050505

Change-Id: I18becbd7d26241fa673fd46d9ce23a984ac47026
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28059
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Vic Yang
2012-07-20 14:38:37 +08:00
committed by Gerrit
parent 97131838e8
commit 0653aa011a
1 changed files with 87 additions and 0 deletions
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87
common/host_command.c
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@@ -234,3 +234,90 @@ void host_command_task(void)
}
}
}
/*****************************************************************************/
/* Console commands*/
static int parse_byte(char *b, uint8_t *out)
{
int i;
*out = 0;
for (i = 0; i < 2; ++i) {
*out *= 16;
if (*b >= '0' && *b <= '9')
*out += *b - '0';
else if (*b >= 'a' && *b <= 'f')
*out += *b - 'a' + 10;
else if (*b >= 'A' && *b <= 'F')
*out += *b - 'A' + 10;
else
return EC_ERROR_INVAL;
++b;
}
return EC_SUCCESS;
}
static int parse_params(char *s, uint8_t *params)
{
int len = 0;
while (*s) {
if (parse_byte(s, params))
return -1;
s += 2;
params++;
len++;
}
return len;
}
static void dump_hex(char *resp, int size)
{
int i;
for (i = 0; i < size; ++i) {
ccprintf("%02x", (int)resp[i]);
if ((i & 15) == 15)
ccputs("\n");
}
ccputs("\n");
}
static int command_host_command(int argc, char **argv)
{
struct host_cmd_handler_args args;
uint8_t cmd_params[EC_HOST_PARAM_SIZE];
enum ec_status res;
char *e;
int rv;
if (argc != 4)
return EC_ERROR_PARAM_COUNT;
args.command = strtoi(argv[1], &e, 0);
if (*e)
return EC_ERROR_PARAM1;
args.version = strtoi(argv[2], &e, 0);
if (*e)
return EC_ERROR_PARAM2;
args.params = cmd_params;
rv = parse_params(argv[3], cmd_params);
if (rv < 0)
return EC_ERROR_PARAM3;
args.params_size = rv;
args.response = cmd_params;
args.response_max = EC_HOST_PARAM_SIZE;
args.response_size = 0;
res = host_command_process(&args);
if (res != EC_RES_SUCCESS)
ccprintf("Command returned %d\n", res);
else
dump_hex(cmd_params, args.response_size);
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(hostcmd, command_host_command,
"cmd ver param",
"Fake host command",
NULL);