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Fix case and grammar in i2c docs (#20498)

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Eiko Wagenknecht 2021-11-29 09:21:10 +01:00 committed by GitHub
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source/_includes/common-tasks/enable_i2c.md
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@ -45,11 +45,11 @@ and make sure the first partition is available.
Alternatively, by attaching a keyboard and screen to your device, you can access the physical terminal to the Home Assistant Operating System. Alternatively, by attaching a keyboard and screen to your device, you can access the physical terminal to the Home Assistant Operating System.
You can enable i2c via this terminal: You can enable I2C via this terminal:
- Login as `root`. - Login as `root`.
- Type `login` and press enter to access the shell. - Type `login` and press enter to access the shell.
- Type the following to enable i2c, you may need to replace `sda1` with `sdb1` or `mmcblk0p1` depending on your platform: - Type the following to enable I2C, you may need to replace `sda1` with `sdb1` or `mmcblk0p1` depending on your platform:
```shell ```shell
mkdir /tmp/mnt mkdir /tmp/mnt
@ -65,5 +65,5 @@ You can enable i2c via this terminal:
After rebooting the host there should be `i2c-0` and similar device files in `/dev`. If such device files are missing, enabling I2C failed for some reason. You can check the status of I2C kernel modules by using `lsmod | grep i2c` in the terminal. If they are loaded, you should find at least the entry `i2c_dev`. Active usage of the modules is indicated by a number, e.g. `i2c_dev 20480 2` would indicate two active I2C device files. After rebooting the host there should be `i2c-0` and similar device files in `/dev`. If such device files are missing, enabling I2C failed for some reason. You can check the status of I2C kernel modules by using `lsmod | grep i2c` in the terminal. If they are loaded, you should find at least the entry `i2c_dev`. Active usage of the modules is indicated by a number, e.g. `i2c_dev 20480 2` would indicate two active I2C device files.
An active I2C can also be check with a multi meter showing 3.3 V on the I2C pins GPIO2 and GPIO3. An active I2C can also be checked with a multi meter showing 3.3 V on the I2C pins GPIO2 and GPIO3.