Merge pull request #4228 from okhsunrog/adding_eeprom

Adding EEPROM support to embassy-stm32

1 files changed, 32 insertions, 0 deletions

diff --git a/examples/stm32l0/src/bin/eeprom.rs b/examples/stm32l0/src/bin/eeprom.rs
new file mode 100644
index 000000000..370246644
--- /dev/null
+++ b/examples/stm32l0/src/bin/eeprom.rs
@@ -0,0 +1,32 @@
+#![no_std]
+#![no_main]
+
+use defmt::{info, unwrap};
+use embassy_executor::Spawner;
+use embassy_stm32::flash::{Flash, EEPROM_BASE, EEPROM_SIZE};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
+
+    info!("Hello Eeprom! Start: {}, Size: {}", EEPROM_BASE, EEPROM_SIZE);
+
+    const ADDR: u32 = 0x0;
+
+    let mut f = Flash::new_blocking(p.FLASH);
+
+    info!("Reading...");
+    let mut buf = [0u8; 8];
+    unwrap!(f.eeprom_read_slice(ADDR, &mut buf));
+    info!("Read: {=[u8]:x}", buf);
+
+    info!("Writing...");
+    unwrap!(f.eeprom_write_slice(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
+
+    info!("Reading...");
+    let mut buf = [0u8; 8];
+    unwrap!(f.eeprom_read_slice(ADDR, &mut buf));
+    info!("Read: {=[u8]:x}", buf);
+    assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
+}