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| author | Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com> | 2022-04-10 20:09:13 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-10 20:09:13 +0300 |
| commit | c10b7fec54dc3f156ee16714656279411cbee03b (patch) | |
| tree | f0774640b57b367e455bc0d3dbc580bcd2ed14d6 | |
| parent | 229b3511dbadf897690ecd232471291a4be477b3 (diff) | |
Update README.mdv1.0
| -rw-r--r-- | README.md | 20 |
1 files changed, 10 insertions, 10 deletions
@@ -14,32 +14,32 @@ IR remote control receiver and transmitter based on Onion Omega2 ## Software -RC-transceiver uses it's own Linux kernel module. This module uses hardware PWM of Onion Omega2 for IR transmitting and GPIO for receviving. +RC-transceiver uses it's own Linux kernel module. This module uses the hardware PWM of Onion Omega2 for IR transmitting and GPIO for receiving. -### How to load Linux kernel module +### How to load the Linux kernel module -You can load module via command line: +You can load the module via command line: `insmod rc-transceiver rx_pin=16 pwm_channel=0` You should use this parameters for my schematic but if you want to change something: * rx_pin - number of GPIO pin for receiving * pwm_channel - PWM channel used for transmitting (0 for pin 18, 1 for pin 19, see datasheet) -To load module autocatically at boot you can create the `/etc/modules.d/99-rc-transceiver` file with this line: +To load the module autocatically at boot you can create the `/etc/modules.d/99-rc-transceiver` file with this line: ``` rc-transceiver rx_pin=16 pwm_channel=0 ``` -**You need to set GPIO MUX to PWM manually**, e.g. put this line to the beginning of `/etc/rc.conf`: +**You need to set GPIO MUX to PWM manually**, e.g. put this line to the beginning of `/etc/rc.local`: ``` omega2-ctrl gpiomux set pwm0 pwm ``` -### How to use Linux kernel module -If module is loaded correctly the `/dev/rc` pseudo file should appear. You can read it as text file and press some button on remote control: +### How to use the Linux kernel module +If module is loaded correctly the `/dev/rc` pseudo file should appear. You can read it as a text file and press some button on your remote control: ``` root@rc-transceiver:~# cat /dev/rc 680a7803bc017803bc01bc01bc01bc01bc0178037803bc01bc01bc01bc01bc01bc01bc01bc01bc01bc01bc01bc01bc0178037803bc01bc017803bc01bc01bc01bc01bc01bc0178037803 ``` -This long line is raw button code. It's encoded as a hexadecimal string of 16-bit (little-endian) values with signal lengths and gap lengths in microseconds. E.g. code `112233445566778899aa` means: +This long line is a raw button code. It's encoded as a hexadecimal string of 16-bit (little-endian) values with signal lengths and gap lengths in microseconds. E.g. code `112233445566778899aa` means: * `1122` = 8721 microseconds of signal * `3344` = 17459 microseconds of gap * `5566` = 26197 microseconds of signal @@ -54,9 +54,9 @@ echo 680a7803bc017803bc01bc01bc01bc01bc0178037803bc01bc01bc01bc01bc01bc01bc01bc0 ``` ## Example scripts -This project comes with several Python scripts that demonstrate encoding and decoding of seome remote control protocols: +This project comes with several Python scripts that demonstrate encoding and decoding of some remote control protocols: * `demo_scripts/receiver-test.py` - receiver -* `demo_scripts/transmitter-test.py` - receiver +* `demo_scripts/transmitter-test.py` - transmitter * `demo_scripts/necrc.py` - module to decode and encode NEC protocol (most popular one) * `demo_scripts/rc6.py` - module to decode and encode RC-6 protocol (used by Philips) |