Merge pull request #4228 from okhsunrog/adding_eeprom

Adding EEPROM support to embassy-stm32

2 files changed, 38 insertions, 2 deletions

diff --git a/tests/stm32/Cargo.toml b/tests/stm32/Cargo.toml
index e78520e40..8d10f6593 100644
--- a/tests/stm32/Cargo.toml
+++ b/tests/stm32/Cargo.toml
@@ -19,8 +19,8 @@ stm32h563zi = ["embassy-stm32/stm32h563zi", "spi-v345", "chrono", "eth", "rng",
 stm32h753zi = ["embassy-stm32/stm32h753zi", "spi-v345", "chrono", "not-gpdma", "eth", "rng", "fdcan", "hash", "cryp"]
 stm32h755zi = ["embassy-stm32/stm32h755zi-cm7", "spi-v345", "chrono", "not-gpdma", "eth", "dac", "rng", "fdcan", "hash", "cryp"]
 stm32h7a3zi = ["embassy-stm32/stm32h7a3zi", "spi-v345", "not-gpdma", "rng", "fdcan"]
-stm32l073rz = ["embassy-stm32/stm32l073rz", "cm0", "not-gpdma", "rng"]
-stm32l152re = ["embassy-stm32/stm32l152re", "spi-v1", "chrono", "not-gpdma"]
+stm32l073rz = ["embassy-stm32/stm32l073rz", "cm0", "not-gpdma", "rng", "eeprom"]
+stm32l152re = ["embassy-stm32/stm32l152re", "spi-v1", "chrono", "not-gpdma", "eeprom"]
 stm32l496zg = ["embassy-stm32/stm32l496zg", "not-gpdma", "rng"]
 stm32l4a6zg = ["embassy-stm32/stm32l4a6zg", "chrono", "not-gpdma", "rng", "hash"]
 stm32l4r5zi = ["embassy-stm32/stm32l4r5zi", "chrono", "not-gpdma", "rng", "dual-bank"]
@@ -55,6 +55,7 @@ ucpd = []
 cordic = ["dep:num-traits"]
 dual-bank = ["embassy-stm32/dual-bank"]
 single-bank = ["embassy-stm32/single-bank"]
+eeprom = []
 
 cm0 = ["portable-atomic/unsafe-assume-single-core"]
 
@@ -120,6 +121,11 @@ path = "src/bin/dac_l1.rs"
 required-features = [ "stm32l152re",]
 
 [[bin]]
+name = "eeprom"
+path = "src/bin/eeprom.rs"
+required-features = [ "eeprom",]
+
+[[bin]]
 name = "eth"
 path = "src/bin/eth.rs"
 required-features = [ "eth",]
diff --git a/tests/stm32/src/bin/eeprom.rs b/tests/stm32/src/bin/eeprom.rs
new file mode 100644
index 000000000..61d249fd7
--- /dev/null
+++ b/tests/stm32/src/bin/eeprom.rs
@@ -0,0 +1,30 @@
+#![no_std]
+#![no_main]
+
+// required-features: eeprom
+
+#[path = "../common.rs"]
+mod common;
+
+use common::*;
+use defmt::assert_eq;
+use embassy_executor::Spawner;
+use embassy_stm32::flash::Flash;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    // Initialize the board and obtain a Peripherals instance
+    let p: embassy_stm32::Peripherals = init();
+
+    let mut f = Flash::new_blocking(p.FLASH);
+    const ADDR: u32 = 0x0;
+
+    unwrap!(f.eeprom_write_slice(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
+    let mut buf = [0u8; 8];
+    unwrap!(f.eeprom_read_slice(ADDR, &mut buf));
+    assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
+}