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diff --git a/examples/stm32f411_adc/README.md b/examples/stm32f411_adc/README.md new file mode 100644 index 0000000..972772d --- /dev/null +++ b/examples/stm32f411_adc/README.md @@ -0,0 +1,36 @@ +# STM32F411CEU6 ADC example +Working example to work with the internal ADC of the STM32F411CEU6 present on a Blackpill board. + +The `#init` task configures the ADC module for single-shot conversion and `PA1` as analog pin. + +Afterwards, the analog pin stored in a Potentiometer struct is set as a **local** resource to the hardware task associated to `EXTI0`. + +The `Adc<ADC1>` instance on the other hand, is set as a **shared** resource. The reason behind this approach is to allow other tasks make use of the only ADC module present on this microcontroller. + + + +## How-to + +### Build +Run `cargo build --release` to compile the code. If you run it for the first time, it will take some time to download and compile dependencies. + +### Run +Install `probe-rs` and configure it using the [debugging extension for VScode](https://probe.rs/docs/tools/debugger/). +The output should look like this: + +``` +INFO Current delay value 1900 +INFO Current ADC value 665 + +INFO Current delay value 1800 +INFO Current ADC value 1138 + +INFO Current delay value 1700 +INFO Current ADC value 1136 + +INFO Current delay value 1600 +INFO Current ADC value 811 + +INFO Current delay value 1500 +INFO Current ADC value 1752 +``` |