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| author | Loic Guegan <manzerbredes@mailbox.org> | 2023-08-14 12:24:03 +0200 |
|---|---|---|
| committer | Loic Guegan <manzerbredes@mailbox.org> | 2023-08-14 12:24:03 +0200 |
| commit | edee197198987b06a24eeb12b6dcd65333ebbf39 (patch) | |
| tree | 3d772a08560bfe5b7d57f8c6e85952779f33c33c | |
| parent | bbdef98fc22cb9d6330d623942a8bf1404ea46e5 (diff) | |
Minor changes
| -rwxr-xr-x | README.md | 13 | ||||
| -rwxr-xr-x | ina260.c | 4 |
2 files changed, 15 insertions, 2 deletions
@@ -1,7 +1,11 @@ -# INA260-sysfs-driver +# INA260 Linux Drivers Link to the [ina260 datasheet](https://www.ti.com/lit/gpn/INA260). +This project provides two drivers: +1) `ina260.c` that is compatible with the [hwmon](https://docs.kernel.org/hwmon/hwmon-kernel-api.html) +2) `ina260_full.c` that provides an entire support for registers and fields of the ina260 and maximize performance over compatibility + ## Installation $ make @@ -11,7 +15,12 @@ Link to the [ina260 datasheet](https://www.ti.com/lit/gpn/INA260). - Add device: `echo ina260 [devaddr] > /sys/bus/i2c/devices/<bus>/new_device` - Delete device: `echo [devaddr] > /sys/bus/i2c/devices/<bus>/delete_device` -## Sysfs structure +## Sysfs structure for the `ina260.c` + +You will mostly use the [lm-sensors](https://github.com/lm-sensors/lm-sensors) utility. Although, the ina260 registers +are accessible from `/sys/class/hwmon/hwmon[0-9]+/registers/`. + +## Sysfs structure for the `ina260_full.c` - Overview: `tree /sys/kernel/ina260` - You can access to each device registers in `/sys/kernel/ina260/<device>/registers/` - You can access to each device register fields in `/sys/kernel/ina260/<device>/fields/` @@ -49,6 +49,10 @@ static ssize_t _attr##_store(struct device *dev, struct device_attribute *attr, return count; \ } +/** + * @brief This macro is not available on old kernel especially the one + * used by Beaglebones Single Board Computers + */ #define HWMON_CHANNEL_INFO(stype, ...) \ (&(struct hwmon_channel_info) { \ .type = hwmon_##stype, \ |
