From f34829f534297dfccb1c5b206bffcc7700ef86ae Mon Sep 17 00:00:00 2001
From: Pol Fernandez <slushee@duck.com>
Date: Mon, 20 Feb 2023 21:03:39 +0100
Subject: [PATCH 1/2] Add stringify function

---
 examples/rpi-pico-w/src/main.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/examples/rpi-pico-w/src/main.rs b/examples/rpi-pico-w/src/main.rs
index 71459a12..e71c2234 100644
--- a/examples/rpi-pico-w/src/main.rs
+++ b/examples/rpi-pico-w/src/main.rs
@@ -18,6 +18,9 @@ use embedded_io::asynch::Write;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
+use heapless::String;
+
+
 macro_rules! singleton {
     ($val:expr) => {{
         type T = impl Sized;
@@ -129,7 +132,8 @@ async fn main(spawner: Spawner) {
                 }
             };
 
-            info!("rxd {:02x}", &buf[..n]);
+            info!("rxd {}", asciify(&buf[..n]));
+
 
             match socket.write_all(&buf[..n]).await {
                 Ok(()) => {}
@@ -214,3 +218,7 @@ impl SpiBusWrite<u32> for MySpi {
         Ok(())
     }
 }
+
+fn asciify(buf: &[u8],) -> String<4096> {
+    buf.into_iter().map(|c| *c as char).into_iter().collect()
+}

From f6f041b05d9702982e3cf56bb76f7904485677c8 Mon Sep 17 00:00:00 2001
From: Pol Fernandez <slushee@duck.com>
Date: Tue, 21 Feb 2023 08:52:57 +0100
Subject: [PATCH 2/2] Add from_utf8

---
 examples/rpi-pico-w/src/main.rs | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/examples/rpi-pico-w/src/main.rs b/examples/rpi-pico-w/src/main.rs
index e71c2234..c706e121 100644
--- a/examples/rpi-pico-w/src/main.rs
+++ b/examples/rpi-pico-w/src/main.rs
@@ -1,4 +1,4 @@
-#![no_std]
+#![no_std] 
 #![no_main]
 #![feature(type_alias_impl_trait)]
 #![feature(async_fn_in_trait)]
@@ -18,8 +18,7 @@ use embedded_io::asynch::Write;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
-use heapless::String;
-
+use core::str::from_utf8;
 
 macro_rules! singleton {
     ($val:expr) => {{
@@ -132,7 +131,7 @@ async fn main(spawner: Spawner) {
                 }
             };
 
-            info!("rxd {}", asciify(&buf[..n]));
+            info!("rxd {}", from_utf8(&buf[..n]).unwrap());
 
 
             match socket.write_all(&buf[..n]).await {
@@ -218,7 +217,3 @@ impl SpiBusWrite<u32> for MySpi {
         Ok(())
     }
 }
-
-fn asciify(buf: &[u8],) -> String<4096> {
-    buf.into_iter().map(|c| *c as char).into_iter().collect()
-}