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| author | Tom Hughes <tomhughes@chromium.org> | 2020-04-08 13:25:16 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-04-08 20:48:51 +0000 |
| commit | f327ba4fcf20a314bba988b7aac778bbaf94101c (patch) | |
| tree | db4fa8577e56d90527997f90135a30b091866273 /docs | |
| parent | cc781aaeb1c56bac803bf625dcd51386105113e4 (diff) | |
| download | chrome-ec-f327ba4fcf20a314bba988b7aac778bbaf94101c.tar.gz | |
docs/fingerprint: Make power its own section
BRANCH=none
BUG=none
TEST=view in gitiles
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: If8b15ac197f1e18eb85b30b9fa29023a20e02ac6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2140923
Commit-Queue: Craig Hesling <hesling@chromium.org>
Reviewed-by: Craig Hesling <hesling@chromium.org>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/fingerprint/fingerprint-dev-for-partners.md | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/docs/fingerprint/fingerprint-dev-for-partners.md b/docs/fingerprint/fingerprint-dev-for-partners.md index 05e5ee3a29..4c7bbdbf3f 100644 --- a/docs/fingerprint/fingerprint-dev-for-partners.md +++ b/docs/fingerprint/fingerprint-dev-for-partners.md @@ -324,20 +324,21 @@ Start a fingerprint enrollment: > fpenroll ``` -The Dragonclaw reference board has an onboard INA that monitors the voltage -and power draw of the MCU and FP Sensor independently. +### Measuring Power -Signal Name | Description -------------- | ------------------------------------- -pp3300_dx_mcu | 3.3V supplying the MCU -pp3300_dx_fp | 3.3V supplying the fingerprint sensor -pp1800_dx_fp | 1.8V supplying the fingerprint sensor +The Dragonclaw reference board has an onboard INA that monitors the voltage and +power draw of the MCU and FP Sensor independently. + +Signal Name | Description +--------------- | ------------------------------------- +`pp3300_dx_mcu` | 3.3V supplying the MCU +`pp3300_dx_fp` | 3.3V supplying the fingerprint sensor +`pp1800_dx_fp` | 1.8V supplying the fingerprint sensor You can monitor all power and voltages by using the following command: ```bash -(chroot) $ watch -n0.5 dut-control pp3300_dx_mcu_mv pp3300_dx_fp_mv \ -pp1800_dx_fp_mv pp3300_dx_mcu_mw pp3300_dx_fp_mw pp1800_dx_fp_mw +(chroot) $ watch -n0.5 dut-control pp3300_dx_mcu_mv pp3300_dx_fp_mv pp1800_dx_fp_mv pp3300_dx_mcu_mw pp3300_dx_fp_mw pp1800_dx_fp_mw ``` *** note |