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Add stm32 flash + bootloader support

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* Add flash drivers for L0, L1, L4, WB and WL. Not tested for WB, but
should be similar to WL.
* Add embassy-boot-stm32 for bootloading on STM32.
* Add flash examples and bootloader examples
* Update stm32-data
This commit is contained in:
Ulf Lilleengen
2022-04-20 13:49:59 +02:00
committed by Ulf Lilleengen
parent 9c283cd445
commit 484e0acc63
59 changed files with 2115 additions and 137 deletions
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3
examples/stm32wl/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "subghz", "unstable-pac", "exti"] }
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time"] }
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time", "defmt"] }
lorawan-device = { version = "0.7.1", default-features = false, features = ["async"] }
lorawan = { version = "0.7.1", default-features = false, features = ["default-crypto"] }
@ -19,6 +19,7 @@ defmt-rtt = "0.3"
cortex-m = "0.7.3"
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-storage = "0.3.0"
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
heapless = { version = "0.7.5", default-features = false }

43
examples/stm32wl/src/bin/flash.rs Normal file
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@ -0,0 +1,43 @@
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::{info, unwrap};
use embassy::executor::Spawner;
use embassy_stm32::flash::Flash;
use embassy_stm32::Peripherals;
use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
use defmt_rtt as _; // global logger
use panic_probe as _;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello Flash!");
const ADDR: u32 = 0x8036000;
let mut f = Flash::unlock(p.FLASH);
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.erase(ADDR, ADDR + 2048));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.write(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
}