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authorTom Hughes <tomhughes@chromium.org>2021-01-26 10:38:55 -0800
committerCommit Bot <commit-bot@chromium.org>2021-01-28 16:38:57 +0000
commit2f40b71b625bcd826fd0cb4a005985abef0b8903 (patch)
tree1f67563e6de1dc64fd4d40bb50ea70d2a17d18a7 /extra/usb_power
parent4e950b9fde9e5d7197d2558f7a36bc809e193a49 (diff)
downloadchrome-ec-2f40b71b625bcd826fd0cb4a005985abef0b8903.tar.gz
docs: Run mdformat on all .md files
BRANCH=none BUG=b:178648877 TEST=view in gitiles Signed-off-by: Tom Hughes <tomhughes@chromium.org> Change-Id: I0ac5581ba7bc512234d40dbf34222422afa9c725 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2650551 Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Diffstat (limited to 'extra/usb_power')
-rw-r--r--extra/usb_power/powerlog.README.md181
1 files changed, 89 insertions, 92 deletions
diff --git a/extra/usb_power/powerlog.README.md b/extra/usb_power/powerlog.README.md
index a5ce379670..105516330a 100644
--- a/extra/usb_power/powerlog.README.md
+++ b/extra/usb_power/powerlog.README.md
@@ -9,57 +9,58 @@ this session, a `.scenario` file.
## Converting from servo_ina configs
-- Method 1 (not limited to chroot)
+- Method 1 (not limited to chroot)
- Many configs can be found for the servo_ina_board in `hdctools/servo/data/`.
- Sweetberry is plug compatible with servo_ina headers, and config files can be
- converted with the following tool:
+ Many configs can be found for the servo_ina_board in `hdctools/servo/data/`.
+ Sweetberry is plug compatible with servo_ina headers, and config files can
+ be converted with the following tool:
- ```
- ./convert_servo_ina.py <board>_r0_loc.py
- ```
+ ```
+ ./convert_servo_ina.py <board>_r0_loc.py
+ ```
- This will generate `<board>_r0_loc.board` and `<board>_r0_loc.scenario`
- locally, which can be used with `powerlog.py`.
+ This will generate `<board>_r0_loc.board` and `<board>_r0_loc.scenario`
+ locally, which can be used with `powerlog.py`.
-- Method 2 (recommended for Chrome OS developers, requires chroot)
+- Method 2 (recommended for Chrome OS developers, requires chroot)
- If you are using `powerlog.py` within the chroot, copy `<board>_r0_loc.py` to
- `src/third_party/hdctools/servo/data`, then add this line to file:
+ If you are using `powerlog.py` within the chroot, copy `<board>_r0_loc.py`
+ to `src/third_party/hdctools/servo/data`, then add this line to file:
- ```python
- config_type = 'sweetberry'
- ```
+ ```python
+ config_type = 'sweetberry'
+ ```
- And run command in chroot:
+ And run command in chroot:
- ```
- (Anywhere in chroot, just ONCE) cros_workon --host start dev-util/hdctools
- ```
+ ```
+ (Anywhere in chroot, just ONCE) cros_workon --host start dev-util/hdctools
+ ```
- Then every time you make a change to `<board>_r0_loc.py`, run:
+ Then every time you make a change to `<board>_r0_loc.py`, run:
- ```
- (Anywhere in chroot) sudo emerge dev-util/hdctools
- ```
+ ```
+ (Anywhere in chroot) sudo emerge dev-util/hdctools
+ ```
- The command will install the corresponding `.board` and `.scenario` file in
- the chroot. To use `powerlog.py` use the command:
+ The command will install the corresponding `.board` and `.scenario` file in
+ the chroot. To use `powerlog.py` use the command:
- ```
- (Anywhere in chroot) powerlog -b <board>_r0_loc.board -c <board>_r0_loc.scenario
- ```
+ ```
+ (Anywhere in chroot) powerlog -b <board>_r0_loc.board -c <board>_r0_loc.scenario
+ ```
- There is no need to specify the absolute path to the `.board` and `.scenario`
- file, once they are installed into the chroot. If there is any changes to
- `<board>_r0_loc.py`, you need to `sudo emerge dev-util/hdctools` again.
+ There is no need to specify the absolute path to the `.board` and
+ `.scenario` file, once they are installed into the chroot. If there is any
+ changes to `<board>_r0_loc.py`, you need to `sudo emerge dev-util/hdctools`
+ again.
## Board files
Board files contain a list of rails, supporting 48 channels each on up to two
Sweetberries. For each rail you must specify a name, sense resistor value, and
-channel number. You can optionally list expected voltage and net name.
-The format is as follows, in json:
+channel number. You can optionally list expected voltage and net name. The
+format is as follows, in json:
example.board:
@@ -81,9 +82,8 @@ example.board:
Scenario files contain the set of rails to monitor in this session. The file
format is simply a list of rail names from the board file.
-Optionally, you can specify the type of measurement, from the set of
-`"POWER"`, `"BUSV"`, `"CURRENT"`, `"SHUNTV"`. If not specified, the default is
-power.
+Optionally, you can specify the type of measurement, from the set of `"POWER"`,
+`"BUSV"`, `"CURRENT"`, `"SHUNTV"`. If not specified, the default is power.
example.scenario:
@@ -109,93 +109,90 @@ An example run of:
./powerlog.py -b board/marlin/marlin.board -c board/marlin/marlin_short.scenario -t 100000
```
-Will result in:
-```
-ts:32976us, VBAT uW, VDD_MEM uW, VDD_CORE uW, VDD_GFX uW, VDD_1V8_PANEL uW
-0.033004, 12207.03, 4882.81, 9155.27, 2441.41, 0.00
-0.066008, 12207.03, 3662.11, 9155.27, 2441.41, 0.00
-0.099012, 12207.03, 3662.11, 9155.27, 2441.41, 0.00
-...
-```
+Will result in: `ts:32976us, VBAT uW, VDD_MEM uW, VDD_CORE uW, VDD_GFX uW,
+VDD_1V8_PANEL uW 0.033004, 12207.03, 4882.81, 9155.27, 2441.41, 0.00 0.066008,
+12207.03, 3662.11, 9155.27, 2441.41, 0.00 0.099012, 12207.03, 3662.11, 9155.27,
+2441.41, 0.00 ...`
The output format is as follows:
-- `ts:32976us`
+- `ts:32976us`
- Timestamps either zero based or synced to system clock, in seconds. The column
- header indicates the selected sampling interval. Since the INA231 has specific
- hardware defines sampling options, this will be the closest supported option
- lower than the requested `-t` value on the command line.
+ Timestamps either zero based or synced to system clock, in seconds. The
+ column header indicates the selected sampling interval. Since the INA231 has
+ specific hardware defines sampling options, this will be the closest
+ supported option lower than the requested `-t` value on the command line.
-- `VBAT uW`
+- `VBAT uW`
- Microwatt reading from this rail, generated on the INA by integrating the
- voltage/amperage on the sense resistor over the sampling time, and multiplying
- by the sampled bus voltage.
+ Microwatt reading from this rail, generated on the INA by integrating the
+ voltage/amperage on the sense resistor over the sampling time, and
+ multiplying by the sampled bus voltage.
-- `... uW`
+- `... uW`
- Further microwatt entry columns for each rail specified in your scenario file.
+ Further microwatt entry columns for each rail specified in your scenario
+ file.
-- `... xX`
+- `... xX`
- Measurement in uW, mW, mV, uA, uV as per config.
+ Measurement in uW, mW, mV, uA, uV as per config.
## Calculate stats and store data and stats
When appropriate flag is set, powerlog.py is capable of calculating statistics
and storing statistics and raw data.
-- Example 1
+- Example 1
- ```
- ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_stats [<directory>]
- ```
+ ```
+ ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_stats [<directory>]
+ ```
- If `<directory>` is specified, this will save stats as:
- `<directory>/sweetberry<timestemp>/summary.txt`.
- If `<directory>` does not exist, it will be created.
+ If `<directory>` is specified, this will save stats as:
+ `<directory>/sweetberry<timestamp>/summary.txt`. If `<directory>` does not
+ exist, it will be created.
- If `<directory>` is not specified but the flag is set, this will save stats
- under the directory which `powerlog.py` is in:
- `<directory of powerlog.py>/sweetberry<timestemp>/summary.txt`.
+ If `<directory>` is not specified but the flag is set, this will save stats
+ under the directory which `powerlog.py` is in: `<directory of
+ powerlog.py>/sweetberry<timestamp>/summary.txt`.
- If `--save_stats` flag is not set, stats will not be saved.
+ If `--save_stats` flag is not set, stats will not be saved.
-- Example 2
+- Example 2
- ```
- ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_raw_data [<directory>]
- ```
+ ```
+ ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_raw_data [<directory>]
+ ```
- If `<directory>` is specified, this will save raw data in:
- `<directory>/sweetberry<timestemp>/raw_data/`.
- If `<directory>` does not exist, it will be created.
+ If `<directory>` is specified, this will save raw data in:
+ `<directory>/sweetberry<timestamp>/raw_data/`. If `<directory>` does not
+ exist, it will be created.
- If `<directory>` is not specified but the flag is set, this will save raw data
- under the directory which `powerlog.py` is in:
- `<directory of powerlog.py>/sweetberry<timestemp>/raw_data/`.
+ If `<directory>` is not specified but the flag is set, this will save raw
+ data under the directory which `powerlog.py` is in: `<directory of
+ powerlog.py>/sweetberry<timestamp>/raw_data/`.
- If `--save_raw_data` flag is not set, raw data will not be saved.
+ If `--save_raw_data` flag is not set, raw data will not be saved.
-- Example 3:
+- Example 3:
- ```
- ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_stats_json [<directory>]
- ```
+ ```
+ ./powerlog.py -b board/eve_dvt2_loc/eve_dvt2_loc.board -c board/eve_dvt2_loc/eve_dvt2_loc.scenario --save_stats_json [<directory>]
+ ```
- If `<directory>` is specified, this will save MEANS in json as:
- `<directory>/sweetberry<timestemp>/summary.json`.
- If `<directory>` does not exist, it will be created.
+ If `<directory>` is specified, this will save MEANS in json as:
+ `<directory>/sweetberry<timestamp>/summary.json`. If `<directory>` does not
+ exist, it will be created.
- If `<directory>` is not specified but the flag is set, this will save MEANS in
- json under the directory which `powerlog.py` is in:
- `<directory of powerlog.py>/sweetberry<timestemp>/summary.json`.
+ If `<directory>` is not specified but the flag is set, this will save MEANS
+ in json under the directory which `powerlog.py` is in: `<directory of
+ powerlog.py>/sweetberry<timestamp>/summary.json`.
- If `--save_stats` flag is not set, stats will not be saved.
+ If `--save_stats` flag is not set, stats will not be saved.
- `--save_stats_json` is designed for `power_telemetry_logger` for easy reading
- and writing.
+ `--save_stats_json` is designed for `power_telemetry_logger` for easy
+ reading and writing.
## Making developer changes to `powerlog.py`