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stm32/rng: add test.

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This commit is contained in:
Dario Nieuwenhuis 2023-10-16 04:54:48 +02:00
parent a7c6999670
commit aff77d2b65
8 changed files with 93 additions and 23 deletions
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4
embassy-stm32/Cargo.toml
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@ -58,7 +58,7 @@ rand_core = "0.6.3"
sdio-host = "0.5.0"
embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "a4f293d3a6f72158385f79c98634cb8a14d0d2fc", optional = true }
critical-section = "1.1"
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-5ecc410f93477d3d9314723ec26e637aa0c63b8f" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-9330e31117668350a62572fdcd2598ec17d08042" }
vcell = "0.1.3"
bxcan = "0.7.0"
nb = "1.0.0"
@ -76,7 +76,7 @@ critical-section = { version = "1.1", features = ["std"] }
[build-dependencies]
proc-macro2 = "1.0.36"
quote = "1.0.15"
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-5ecc410f93477d3d9314723ec26e637aa0c63b8f", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-9330e31117668350a62572fdcd2598ec17d08042", default-features = false, features = ["metadata"]}
[features]

2
embassy-stm32/src/rcc/g4.rs
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@ -118,7 +118,7 @@ impl Default for Config {
apb2_pre: APBPrescaler::DIV1,
low_power_run: false,
pll: None,
clock_48mhz_src: None,
clock_48mhz_src: Some(Clock48MhzSrc::Hsi48(None)),
adc12_clock_source: Adcsel::DISABLE,
adc345_clock_source: Adcsel::DISABLE,
ls: Default::default(),

4
embassy-stm32/src/rcc/l4l5.rs
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@ -192,6 +192,10 @@ pub(crate) unsafe fn init(config: Config) {
ClockSrc::PLL => pll._r.unwrap(),
};
#[cfg(stm32l4)]
RCC.ccipr().modify(|w| w.set_clk48sel(config.clk48_src));
#[cfg(stm32l5)]
RCC.ccipr1().modify(|w| w.set_clk48sel(config.clk48_src));
let _clk48 = match config.clk48_src {
Clk48Src::HSI48 => hsi48,
Clk48Src::MSI => msi,

2
embassy-stm32/src/rcc/u5.rs
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@ -188,7 +188,7 @@ impl Default for Config {
apb1_pre: APBPrescaler::DIV1,
apb2_pre: APBPrescaler::DIV1,
apb3_pre: APBPrescaler::DIV1,
hsi48: false,
hsi48: true,
voltage_range: VoltageScale::RANGE3,
ls: Default::default(),
}

10
embassy-stm32/src/rcc/wb.rs
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@ -40,6 +40,7 @@ pub struct Config {
pub hse: Option<Hse>,
pub sys: Sysclk,
pub mux: Option<PllMux>,
pub hsi48: bool,
pub pll: Option<Pll>,
pub pllsai: Option<Pll>,
@ -63,6 +64,7 @@ pub const WPAN_DEFAULT: Config = Config {
source: PllSource::HSE,
prediv: Pllm::DIV2,
}),
hsi48: true,
ls: super::LsConfig::default_lse(),
@ -90,6 +92,7 @@ impl Default for Config {
mux: None,
pll: None,
pllsai: None,
hsi48: true,
ls: Default::default(),
@ -222,6 +225,13 @@ pub(crate) unsafe fn init(config: Config) {
_ => {}
}
let _hsi48 = config.hsi48.then(|| {
rcc.crrcr().modify(|w| w.set_hsi48on(true));
while !rcc.crrcr().read().hsi48rdy() {}
Hertz(48_000_000)
});
rcc.cfgr().modify(|w| {
w.set_sw(config.sys.into());
w.set_hpre(config.ahb1_pre);

2
embassy-stm32/src/rng.rs
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@ -85,7 +85,7 @@ impl<'d, T: Instance> Rng<'d, T> {
reg.set_ie(false);
reg.set_rngen(true);
});
T::regs().cr().write(|reg| {
T::regs().cr().modify(|reg| {
reg.set_ced(false);
});
// wait for CONDRST to be set

42
tests/stm32/Cargo.toml
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@ -6,26 +6,27 @@ license = "MIT OR Apache-2.0"
autobins = false
[features]
stm32f103c8 = ["embassy-stm32/stm32f103c8", "not-gpdma"] # Blue Pill
stm32f429zi = ["embassy-stm32/stm32f429zi", "chrono", "eth", "stop", "can", "not-gpdma", "dac-adc-pin"] # Nucleo "sdmmc"
stm32g071rb = ["embassy-stm32/stm32g071rb", "not-gpdma", "dac-adc-pin"] # Nucleo
stm32c031c6 = ["embassy-stm32/stm32c031c6", "not-gpdma"] # Nucleo
stm32g491re = ["embassy-stm32/stm32g491re", "chrono", "not-gpdma"] # Nucleo
stm32h755zi = ["embassy-stm32/stm32h755zi-cm7", "chrono", "not-gpdma", "eth", "dac-adc-pin"] # Nucleo
stm32wb55rg = ["embassy-stm32/stm32wb55rg", "chrono", "not-gpdma", "ble", "mac" ] # Nucleo
stm32h563zi = ["embassy-stm32/stm32h563zi", "chrono", "eth"] # Nucleo
stm32u585ai = ["embassy-stm32/stm32u585ai", "chrono"] # IoT board
stm32l073rz = ["embassy-stm32/stm32l073rz", "not-gpdma"] # Nucleo
stm32l152re = ["embassy-stm32/stm32l152re", "chrono", "not-gpdma"] # Nucleo
stm32l4a6zg = ["embassy-stm32/stm32l4a6zg", "chrono", "not-gpdma"] # Nucleo
stm32l4r5zi = ["embassy-stm32/stm32l4r5zi", "chrono", "not-gpdma"] # Nucleo
stm32l552ze = ["embassy-stm32/stm32l552ze", "not-gpdma"] # Nucleo
stm32f767zi = ["embassy-stm32/stm32f767zi", "chrono", "not-gpdma", "eth"] # Nucleo
stm32f207zg = ["embassy-stm32/stm32f207zg", "chrono", "not-gpdma", "eth"] # Nucleo
stm32f303ze = ["embassy-stm32/stm32f303ze", "chrono", "not-gpdma"] # Nucleo
stm32l496zg = ["embassy-stm32/stm32l496zg", "not-gpdma"] # Nucleo
stm32f103c8 = ["embassy-stm32/stm32f103c8", "not-gpdma"]
stm32f429zi = ["embassy-stm32/stm32f429zi", "chrono", "eth", "stop", "can", "not-gpdma", "dac-adc-pin", "rng"]
stm32g071rb = ["embassy-stm32/stm32g071rb", "not-gpdma", "dac-adc-pin"]
stm32c031c6 = ["embassy-stm32/stm32c031c6", "not-gpdma"]
stm32g491re = ["embassy-stm32/stm32g491re", "chrono", "not-gpdma", "rng"]
stm32h755zi = ["embassy-stm32/stm32h755zi-cm7", "chrono", "not-gpdma", "eth", "dac-adc-pin", "rng"]
stm32wb55rg = ["embassy-stm32/stm32wb55rg", "chrono", "not-gpdma", "ble", "mac" , "rng"]
stm32h563zi = ["embassy-stm32/stm32h563zi", "chrono", "eth", "rng"]
stm32u585ai = ["embassy-stm32/stm32u585ai", "chrono", "rng"]
stm32l073rz = ["embassy-stm32/stm32l073rz", "not-gpdma", "rng"]
stm32l152re = ["embassy-stm32/stm32l152re", "chrono", "not-gpdma"]
stm32l4a6zg = ["embassy-stm32/stm32l4a6zg", "chrono", "not-gpdma", "rng"]
stm32l4r5zi = ["embassy-stm32/stm32l4r5zi", "chrono", "not-gpdma", "rng"]
stm32l552ze = ["embassy-stm32/stm32l552ze", "not-gpdma", "rng"]
stm32f767zi = ["embassy-stm32/stm32f767zi", "chrono", "not-gpdma", "eth", "rng"]
stm32f207zg = ["embassy-stm32/stm32f207zg", "chrono", "not-gpdma", "eth", "rng"]
stm32f303ze = ["embassy-stm32/stm32f303ze", "chrono", "not-gpdma"]
stm32l496zg = ["embassy-stm32/stm32l496zg", "not-gpdma", "rng"]
eth = []
rng = []
sdmmc = []
stop = ["embassy-stm32/low-power"]
chrono = ["embassy-stm32/chrono", "dep:chrono"]
@ -86,6 +87,11 @@ name = "gpio"
path = "src/bin/gpio.rs"
required-features = []
[[bin]]
name = "rng"
path = "src/bin/rng.rs"
required-features = [ "rng",]
[[bin]]
name = "rtc"
path = "src/bin/rtc.rs"

50
tests/stm32/src/bin/rng.rs Normal file
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@ -0,0 +1,50 @@
// required-features: rng
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../common.rs"]
mod common;
use common::*;
use embassy_executor::Spawner;
use embassy_stm32::rng::Rng;
use embassy_stm32::{bind_interrupts, peripherals, rng};
use {defmt_rtt as _, panic_probe as _};
#[cfg(any(feature = "stm32l4a6zg", feature = "stm32h755zi", feature = "stm32f429zi"))]
bind_interrupts!(struct Irqs {
HASH_RNG => rng::InterruptHandler<peripherals::RNG>;
});
#[cfg(any(feature = "stm32l073rz"))]
bind_interrupts!(struct Irqs {
RNG_LPUART1 => rng::InterruptHandler<peripherals::RNG>;
});
#[cfg(not(any(
feature = "stm32l4a6zg",
feature = "stm32l073rz",
feature = "stm32h755zi",
feature = "stm32f429zi"
)))]
bind_interrupts!(struct Irqs {
RNG => rng::InterruptHandler<peripherals::RNG>;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p: embassy_stm32::Peripherals = embassy_stm32::init(config());
let mut rng = Rng::new(p.RNG, Irqs);
let mut buf1 = [0u8; 16];
unwrap!(rng.async_fill_bytes(&mut buf1).await);
info!("random bytes: {:02x}", buf1);
let mut buf2 = [0u8; 16];
unwrap!(rng.async_fill_bytes(&mut buf2).await);
info!("random bytes: {:02x}", buf2);
defmt::assert!(buf1 != buf2);
info!("Test OK");
cortex_m::asm::bkpt();
}