From c3357f884a5c7b5145221c4f96bc5328004b393a Mon Sep 17 00:00:00 2001
From: dev-guruprasath <96348958+dev-guruprasath@users.noreply.github.com>
Date: Mon, 31 Jul 2023 14:45:23 +0530
Subject: [PATCH] added working example for flash

---
 examples/stm32g0/src/bin/flash.rs | 47 +++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 examples/stm32g0/src/bin/flash.rs

diff --git a/examples/stm32g0/src/bin/flash.rs b/examples/stm32g0/src/bin/flash.rs
new file mode 100644
index 00000000..36427e38
--- /dev/null
+++ b/examples/stm32g0/src/bin/flash.rs
@@ -0,0 +1,47 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::gpio::{Level, Output, Speed};
+use embassy_time::{Duration, Timer};
+use {defmt_rtt as _, panic_probe as _};
+use embassy_stm32::flash::Flash;
+
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
+    info!("Hello World!");
+
+    let ADDR: u32 = 0x8000;
+
+    let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank1_region;
+
+    info!("Reading...");
+    let mut buf = [0u8; 32];
+    unwrap!(f.blocking_read(ADDR, &mut buf));
+    info!("Read: {=[u8]:x}", buf);
+    info!("Erasing...");
+    unwrap!(f.blocking_erase(ADDR, ADDR + 2 * 1024));
+
+    info!("Reading...");
+    let mut buf = [0u8; 32];
+    unwrap!(f.blocking_read(ADDR, &mut buf));
+    info!("Read after erase: {=[u8]:x}", buf);
+
+    info!("Writing...");
+    unwrap!(f.blocking_write(
+        ADDR,
+        &[
+            1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+            30, 31, 32
+        ]
+    ));
+
+    info!("Reading...");
+    let mut buf = [0u8; 32];
+    unwrap!(f.blocking_read(ADDR, &mut buf));
+    info!("Read: {=[u8]:x}", buf);
+}