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Make quickly work a pcm5102 module with a stm32f411

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LICENSE-APACHE.txt
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YruamaLairba/stm32f411-rs-i2s-pac-pcm5102

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stm32f411-rs-i2s-pac-pcm5102

This rust project is an example of i2s usage on a stm32f411 chip. It use this protocol to output a sawtooth on a pcm5102 module. Warning! Reduce the volume, the sawtooth is fullscale so it's very loud!

At time of this project, there is no Hardware Abstraction Layer for i2s. Instead, the main source directly access to the hadware using pac module, this is why it contains many unsafe sections.

This project is for a nucleo-f411re but should be easily adaptable for any stm32f4xx using a 8Mhz external oscillator. To Adapt it, you need:

  • Change ram an flash in memory.x according to your device.
  • In Cargo.toml, under dependencies.stm32f4xx-hal replace the stm32f411 feature according to your chip (See here for available chips).
  • In Embed.toml, under default.general, replace chip value by your chip (cargo embed --list-chip to get the list of possible value).

Connecting devices

pcm5102 stm32f4xx
VIN 3V3
GND GND
LCK PB12
DIN PB15
BCK PB13
SCK PC6
FLT 3V3 or GND
DEMP GND
XSMP 3V3
FMT GND
A3V3 3V3
AGND GND

Build, load, and run

This require cargo embed, you can install it with cargo install cargo-embed. Just run cargo embed to build, load, and run the firmware.

License

This project is licensed under terms of both MIT and Apache licenses. See LICENSE-APACHE.txt and LICENSE-MIT.txt.

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Make quickly work a pcm5102 module with a stm32f411

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