Finally, i put two diferent sounds, via hdmi (in the tv), and via pwm pin (via an amplifier), both have diferents sounds, and are independent, like wii does.Hi Exiles!The code at https://github.com/ikjordan/PicoDVI has been updated today to include more detail in the Readme. There are two branches, master and audio ( https://github.com/ikjordan/PicoDVI/tree/audio)
You mentioned on github that you were using the Olimex RP2040-PICO-PC DVI board. If you want to generate stereo PWM sound on that board (which uses pins GP27 and GP28 for audio) then you can follow the guidance in the Readme on the master branch. This branch contains a small change to the original PicoDVI to allow the audio PWM to be driven independently of the DVI clock on the Olimex board. Note however that the branch does not contain any PWM sound examples.
If you want generate sound over the DVI / HDMI cable, then you can follow the instructions in the Readme on the audio branch. This branch is based on the audio work of mlorenzati and shuichitakano. There are 3 example programs on the audio branch that play sound over the DVI/HDMI cable. These example are:
moon_double_audio: A bit doubled version of the moon demo that includes audio (spoken voice)
colour_terminal_audio: Adds spoken voice audio to the colour_terminal demo
sprite_bounce_audio: Adds an audio sine wave to the sprite_bounce_demo - caution this is quite loud!
Examples using this code for sound over HDMI or PWM can be found within https://github.com/ikjordan/picozx81
Thx for the answer! Actually i´ve see the ikjordan has update him page, i want to check now, how to made sounds with a pin (or two pins) in pwm, from the flash of pico, and dvi, obviously =).
Statistics: Posted by Xiran64 — Sun Mar 17, 2024 2:38 am
