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STM32H5xx ADC (#3557)

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* stm32: Update STM32 data source

* stm32h5: Add ADC example
This commit is contained in:
Gabriel Smith 2024-11-21 17:23:46 -05:00 committed by GitHub
parent 4b1be4787a
commit bd65906d14
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GPG Key ID: B5690EEEBB952194
3 changed files with 62 additions and 3 deletions
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4
embassy-stm32/Cargo.toml
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@ -72,7 +72,7 @@ rand_core = "0.6.3"
sdio-host = "0.5.0"
critical-section = "1.1"
#stm32-metapac = { version = "15" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-7bb5f235587c3a6886a7be1c8f58fdf22c5257f3" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-55b491ee982e52f80a21276a0ccbde4907982b5d" }
vcell = "0.1.3"
nb = "1.0.0"
@ -101,7 +101,7 @@ proc-macro2 = "1.0.36"
quote = "1.0.15"
#stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-7bb5f235587c3a6886a7be1c8f58fdf22c5257f3", default-features = false, features = ["metadata"] }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-55b491ee982e52f80a21276a0ccbde4907982b5d", default-features = false, features = ["metadata"] }
[features]
default = ["rt"]

2
embassy-stm32/src/lib.rs
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@ -440,7 +440,7 @@ fn init_hw(config: Config) -> Peripherals {
cr.set_stop(config.enable_debug_during_sleep);
cr.set_standby(config.enable_debug_during_sleep);
}
#[cfg(any(dbgmcu_f0, dbgmcu_c0, dbgmcu_g0, dbgmcu_u5, dbgmcu_wba, dbgmcu_l5))]
#[cfg(any(dbgmcu_f0, dbgmcu_c0, dbgmcu_g0, dbgmcu_u0, dbgmcu_u5, dbgmcu_wba, dbgmcu_l5))]
{
cr.set_dbg_stop(config.enable_debug_during_sleep);
cr.set_dbg_standby(config.enable_debug_during_sleep);

59
examples/stm32h5/src/bin/adc.rs Normal file
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@ -0,0 +1,59 @@
#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::adc::{Adc, SampleTime};
use embassy_stm32::Config;
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let mut config = Config::default();
{
use embassy_stm32::rcc::*;
config.rcc.hsi = Some(HSIPrescaler::DIV1);
config.rcc.csi = true;
config.rcc.pll1 = Some(Pll {
source: PllSource::HSI,
prediv: PllPreDiv::DIV4,
mul: PllMul::MUL25,
divp: Some(PllDiv::DIV2),
divq: Some(PllDiv::DIV4), // SPI1 cksel defaults to pll1_q
divr: None,
});
config.rcc.pll2 = Some(Pll {
source: PllSource::HSI,
prediv: PllPreDiv::DIV4,
mul: PllMul::MUL25,
divp: None,
divq: None,
divr: Some(PllDiv::DIV4), // 100mhz
});
config.rcc.sys = Sysclk::PLL1_P; // 200 Mhz
config.rcc.ahb_pre = AHBPrescaler::DIV1; // 200 Mhz
config.rcc.apb1_pre = APBPrescaler::DIV2; // 100 Mhz
config.rcc.apb2_pre = APBPrescaler::DIV2; // 100 Mhz
config.rcc.apb3_pre = APBPrescaler::DIV2; // 100 Mhz
config.rcc.voltage_scale = VoltageScale::Scale1;
config.rcc.mux.adcdacsel = mux::Adcdacsel::PLL2_R;
}
let mut p = embassy_stm32::init(config);
info!("Hello World!");
let mut adc = Adc::new(p.ADC1);
adc.set_sample_time(SampleTime::CYCLES24_5);
let mut vrefint_channel = adc.enable_vrefint();
loop {
let vrefint = adc.blocking_read(&mut vrefint_channel);
info!("vrefint: {}", vrefint);
let measured = adc.blocking_read(&mut p.PA0);
info!("measured: {}", measured);
Timer::after_millis(500).await;
}
}