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eleccoder 2024-01-09 21:43:19 +01:00
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README.md
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@ -116,12 +116,12 @@ If you actually want to RF-transmit the APRS signal, you can simply do it by one
Don't forget to set the appropriate `#define` parameters in `src/aprs_pico_beacon_demo.c` to configure PTT control.
## TODO (Dec. 2022)
## TODO
- [x] Send the APRS message on the console (USB or UART) rather than hard-coding
## Ingredients / Acknowledgements
- For `APRS => AX.25 => PCM` conversion I'm using [my modified version](https://github.com/eleccoder/ax25-aprs-lib) of [fsphil's ax25beacon](https://github.com/fsphil/ax25beacon) project.
- For `APRS Payload => AX.25 => AFSK (PCM)` conversion I'm using [my modified version](https://github.com/eleccoder/ax25-aprs-lib) of [fsphil's ax25beacon](https://github.com/fsphil/ax25beacon) project.
- For `PCM => PWM` conversion I'm using the `pico_audio_pwm` library from [pico-extras](https://github.com/raspberrypi/pico-extras) (NOTE: ATTOW, maturity seems to be rather alpha/beta).
- Basic PWM audio rendering with the Pi Pico has been spotted in the [pico-playground](https://github.com/raspberrypi/pico-playground/tree/master/audio).