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| author | Aseda Aboagye <aaboagye@google.com> | 2018-08-17 10:36:44 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-08-17 20:39:05 -0700 |
| commit | 6bc276f40d3ec84de7dd5dfeeef25487eabc8ab2 (patch) | |
| tree | a32942ad4a0c46e0c74e3fcc4b755edbe45fc718 /util/ectool.c | |
| parent | 13e92a73c57d83eef08f6cf496e63a6f63f550d4 (diff) | |
| download | chrome-ec-6bc276f40d3ec84de7dd5dfeeef25487eabc8ab2.tar.gz | |
adc: Add ectool command for reading ADC channels.
BUG=b:76155036, b:112757066
BRANCH=None
TEST=Flash nocturne; update ectool; verify that `ectool adcread <ch>`
works as expected.
Change-Id: I42545d25f005a7eb9e0af54c8b5cb72d5d844084
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1180095
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'util/ectool.c')
| -rw-r--r-- | util/ectool.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/util/ectool.c b/util/ectool.c index 929d5a4c65..e6332373c3 100644 --- a/util/ectool.c +++ b/util/ectool.c @@ -54,6 +54,8 @@ static struct option long_opts[] = { const char help_str[] = "Commands:\n" + " adcread <channel>\n" + " Read an ADC channel.\n" " addentropy [reset]\n" " Add entropy to device secret\n" " autofanctrl <on>\n" @@ -384,6 +386,31 @@ static int read_mapped_string(uint8_t offset, char *buffer, int max_size) return ret; } +int cmd_adc_read(int argc, char *argv[]) +{ + char *e; + struct ec_params_adc_read p; + struct ec_response_adc_read r; + int rv; + + if (argc < 2) { + fprintf(stderr, "Usage: %s <adc channel>\n", argv[0]); + return -1; + } + + p.adc_channel = (uint8_t)strtoul(argv[1], &e, 0); + if (e && *e) { + fprintf(stderr, "\"%s\": invalid channel!\n", argv[1]); + return -1; + } + + rv = ec_command(EC_CMD_ADC_READ, 0, &p, sizeof(p), &r, sizeof(r)); + if (rv > 0) + printf("%s: %d\n", argv[1], r.adc_value); + + return rv; +} + int cmd_add_entropy(int argc, char *argv[]) { struct ec_params_rollback_add_entropy p; @@ -8229,6 +8256,7 @@ int cmd_cec(int argc, char *argv[]) /* NULL-terminated list of commands */ const struct command commands[] = { + {"adcread", cmd_adc_read}, {"addentropy", cmd_add_entropy}, {"autofanctrl", cmd_thermal_auto_fan_ctrl}, {"backlight", cmd_lcd_backlight}, |