Cr50: Add verbose & range options to extra/ftdi_hostcmd/

This just helps debug the SPI traffic.

BUG=none
BRANCH=none
TEST=make buildall

Change-Id: I09c2f0e0fed9a9f7d0b4cbcea6719c73cdf61068
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/284409
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Bill Richardson
2015-07-08 22:45:03 -07:00
committed by ChromeOS Commit Bot
parent 0eb88ff59b
commit 08414a6da2

View File

@@ -14,10 +14,11 @@
#include "ec_commands.h"
static int opt_verbose;
/* Communication handle */
static struct mpsse_context *mpsse;
/* enum ec_status meaning */
static const char *ec_strerr(enum ec_status r)
{
@@ -48,12 +49,11 @@ static const char *ec_strerr(enum ec_status r)
/****************************************************************************
* TODO: Add an option to enable this stuff to help with debugging
* Debugging output
*/
#define LINELEN 16
#if 0
static void showline(uint8_t *buf, int len)
{
int i;
@@ -68,12 +68,14 @@ static void showline(uint8_t *buf, int len)
(buf[i] >= ' ' && buf[i] <= '~') ? buf[i] : '.');
printf("\n");
}
#endif
static void show(const char *fmt, uint8_t *buf, int len)
{
#if 0
int i, m, n;
if (!opt_verbose)
return;
printf(fmt, len);
m = len / LINELEN;
@@ -83,7 +85,6 @@ static void show(const char *fmt, uint8_t *buf, int len)
showline(buf + i * LINELEN, LINELEN);
if (n)
showline(buf + m * LINELEN, n);
#endif
}
/****************************************************************************
@@ -348,6 +349,9 @@ static int probe_v3(void)
memset(&resp, 0, sizeof(resp));
memset(&info, 0, sizeof(info));
if (opt_verbose)
printf("Trying EC_CMD_GET_PROTOCOL_INFO...\n");
ret = send_cmd(EC_CMD_GET_PROTOCOL_INFO, 0,
0, 0,
&resp,
@@ -518,7 +522,7 @@ static void show_command(uint16_t c)
printf(" %02x %s\n", c, desc);
}
static void scan_commands(void)
static void scan_commands(uint16_t start, uint16_t stop)
{
struct ec_params_get_cmd_versions_v1 q_vers;
struct ec_response_get_cmd_versions r_vers;
@@ -528,30 +532,74 @@ static void scan_commands(void)
memset(&ec_resp, 0, sizeof(ec_resp));
printf("Supported host commands:\n");
for (i = 0; i < 0x201; i++) {
for (i = start; i <= stop; i++) {
if (opt_verbose)
printf("Querying CMD %02x\n", i);
q_vers.cmd = i;
if (0 != send_cmd(EC_CMD_GET_CMD_VERSIONS, 1,
&q_vers, sizeof(q_vers),
&ec_resp,
&r_vers, sizeof(r_vers))) {
printf("query failed on cmd %d - aborting\n", i);
printf("query failed on cmd %02x - aborting\n", i);
return;
}
if (ec_resp.result == EC_RES_SUCCESS)
switch (ec_resp.result) {
case EC_RES_SUCCESS:
if (opt_verbose)
printf("Yes: ");
show_command(i);
else if (ec_resp.result != EC_RES_INVALID_PARAM)
printf("lookup of cmd 0x%02x returned %d %s\n", i,
break;
case EC_RES_INVALID_PARAM:
if (opt_verbose)
printf("No\n");
break;
default:
printf("lookup of cmd %02x returned %d %s\n", i,
ec_resp.result,
ec_strerr(ec_resp.result));
}
}
}
/****************************************************************************/
static void usage(char *progname)
{
printf("Usage: %s [-v] [start [stop]]\n", progname);
}
int main(int argc, char *argv[])
{
int retval = 1;
int errorcnt = 0;
int i;
uint16_t start = cmd_table[0].cmd;
uint16_t stop = cmd_table[ARRAY_SIZE(cmd_table) - 1].cmd;
while ((i = getopt(argc, argv, ":v")) != -1) {
switch (i) {
case 'v':
opt_verbose++;
break;
case '?':
printf("unrecognized option: -%c\n", optopt);
errorcnt++;
break;
}
}
if (errorcnt) {
usage(argv[0]);
return 1;
}
/* Range (no error checking) */
if (optind < argc)
start = (uint16_t)strtoul(argv[optind++], 0, 0);
if (optind < argc)
stop = (uint16_t)strtoul(argv[optind++], 0, 0);
/* Find something to talk to */
mpsse = MPSSE(SPI0, 2000000, 0);
@@ -563,7 +611,7 @@ int main(int argc, char *argv[])
if (0 != probe_v3())
goto out;
scan_commands();
scan_commands(start, stop);
retval = 0;
out: