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mcdp28x0: add appstest console command.

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Signed-off-by: Todd Broch <tbroch@chromium.org>

BRANCH=samus
BUG=chrome-os-partner:35939
TEST=manual, with CONFIG_CMD_MCDP in board/hoho/board.h

Try appstest commands on hoho and see them work.

Change-Id: I0b3f674251f0d7c68ba4958fd3376b7c8d81b13f
Reviewed-on: https://chromium-review.googlesource.com/272792
Reviewed-by: Scott Collyer <scollyer@chromium.org>
Commit-Queue: Todd Broch <tbroch@chromium.org>
Tested-by: Todd Broch <tbroch@chromium.org>
This commit is contained in:
Todd Broch
2015-05-21 16:35:58 -07:00
committed by ChromeOS Commit Bot
parent 0727ac31e8
commit 362ed174eb
2 changed files with 66 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
driver/mcdp28x0.c
View File

@@ -90,6 +90,8 @@ static int tx_serial(const uint8_t *msg, int cnt)
if (out_stream_write(&usart_mcdp_out.out, msg, cnt) != cnt)
return EC_ERROR_UNKNOWN;
print_buffer((uint8_t *)msg, cnt);
if (out_stream_write(&usart_mcdp_out.out, &chksum, 1) != 1)
return EC_ERROR_UNKNOWN;
@@ -163,6 +165,17 @@ int mcdp_get_info(struct mcdp_info *info)
}
#ifdef CONFIG_CMD_MCDP
static int rx_serial_ack(void)
{
if (rx_serial(mcdp_inbuf, 3))
return EC_ERROR_UNKNOWN;
if (mcdp_inbuf[1] != MCDP_CMD_ACK)
return EC_ERROR_UNKNOWN;
return EC_SUCCESS;
}
static int mcdp_get_dev_id(char *dev, uint8_t dev_id, int dev_cnt)
{
uint8_t msg[2];
@@ -180,6 +193,45 @@ static int mcdp_get_dev_id(char *dev, uint8_t dev_id, int dev_cnt)
return EC_SUCCESS;
}
static int mcdp_appstest(uint8_t cmd, int paramc, char **paramv)
{
uint8_t msg[6];
char *e;
int i;
/* setup any appstest params */
msg[0] = MCDP_CMD_APPSTESTPARAM;
for (i = 0; i < paramc; i++) {
uint32_t param = strtoi(paramv[i], &e, 10);
if (*e)
return EC_ERROR_PARAM1;
msg[1] = i + 1;
msg[2] = (param >> 24) & 0xff;
msg[3] = (param >> 16) & 0xff;
msg[4] = (param >> 8) & 0xff;
msg[5] = (param >> 0) & 0xff;
if (tx_serial(msg, sizeof(msg)))
return EC_ERROR_UNKNOWN;
if (rx_serial_ack())
return EC_ERROR_UNKNOWN;
}
msg[0] = MCDP_CMD_APPSTEST;
msg[1] = cmd;
if (tx_serial(msg, 2))
return EC_ERROR_UNKNOWN;
if (rx_serial_ack())
return EC_ERROR_UNKNOWN;
/* magic */
rx_serial(mcdp_inbuf, sizeof(mcdp_inbuf));
rx_serial(mcdp_inbuf, sizeof(mcdp_inbuf));
return EC_SUCCESS;
}
int command_mcdp(int argc, char **argv)
{
int rv = EC_SUCCESS;
@@ -209,6 +261,14 @@ int command_mcdp(int argc, char **argv)
rv = mcdp_get_dev_id(dev, dev_id, 32);
if (!rv)
ccprintf("devid[%d] = %s\n", dev_id, dev);
} else if (!strncasecmp(argv[1], "appstest", 4)) {
uint8_t cmd = strtoi(argv[2], &e, 10);
if (*e)
rv = EC_ERROR_PARAM2;
else
rv = mcdp_appstest(cmd, argc - 3, &argv[3]);
if (!rv)
ccprintf("appstest[%d] completed\n", cmd);
} else {
rv = EC_ERROR_PARAM1;
}
@@ -217,7 +277,7 @@ int command_mcdp(int argc, char **argv)
return rv;
}
DECLARE_CONSOLE_COMMAND(mcdp, command_mcdp,
"info|devid <id>",
"info|devid <id>|appstest <cmd> [<params>]",
"USB PD",
NULL);
#endif /* CONFIG_CMD_MCDP */

7
driver/mcdp28x0.h
View File

@@ -11,8 +11,11 @@
#define MCDP_OUTBUF_MAX 16
#define MCDP_INBUF_MAX 16
#define MCDP_CMD_GETINFO 0x40
#define MCDP_CMD_GETDEVID 0x30
#define MCDP_CMD_GETINFO 0x40
#define MCDP_CMD_GETDEVID 0x30
#define MCDP_CMD_APPSTEST 0x12
#define MCDP_CMD_APPSTESTPARAM 0x11
#define MCDP_CMD_ACK 0x0c
/* packet header (2 bytes: length + cmd) + data + footer (1byte: checksum) */
#define MCDP_RSP_LEN(len) (len + 3)