adapt beginner material to BSP changes

beginner/apps/src/bin/radio-puzzle-1.rs

@@ -29,7 +29,7 @@ fn main() -> ! {
     // single letter (byte) packet
     packet.copy_from_slice(&[source]);
 
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
         // response should be one byte large

beginner/apps/src/bin/radio-puzzle-3.rs

@@ -26,7 +26,7 @@ fn main() -> ! {
     for source in b'A'..=b'B' {
         packet.copy_from_slice(&[source]);
 
-        radio.send(&packet);
+        radio.send(&mut packet);
 
         if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
             // response should be one byte large

beginner/apps/src/bin/radio-puzzle-5.rs

@@ -24,7 +24,7 @@ fn main() -> ! {
 
     /* # Retrieve the secret string */
     packet.copy_from_slice(&[]); // empty packet
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");

beginner/apps/src/bin/radio-puzzle-6.rs

@@ -27,7 +27,7 @@ fn main() -> ! {
     for source in 0..=127 {
         packet.copy_from_slice(&[source]);
 
-        radio.send(&packet);
+        radio.send(&mut packet);
 
         if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
             // response should be one byte large
@@ -48,7 +48,7 @@ fn main() -> ! {
 
     /* # Retrieve the secret string */
     packet.copy_from_slice(&[]); // empty packet
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");

beginner/apps/src/bin/radio-puzzle-7.rs

@@ -27,7 +27,7 @@ fn main() -> ! {
     for source in 0..=127 {
         packet.copy_from_slice(&[source]);
 
-        radio.send(&packet);
+        radio.send(&mut packet);
 
         if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
             // response should be one byte large
@@ -48,7 +48,7 @@ fn main() -> ! {
 
     /* # Retrieve the secret string */
     packet.copy_from_slice(&[]); // empty packet
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");
@@ -79,7 +79,7 @@ fn main() -> ! {
     /* # (NEW) Verify decrypted text */
     packet.copy_from_slice(&buffer);
 
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");

beginner/apps/src/bin/radio-puzzle-solution-2.rs

@@ -27,7 +27,7 @@ fn main() -> ! {
     for plainletter in 0..=127 {
         packet.copy_from_slice(&[plainletter]);
 
-        radio.send(&packet);
+        radio.send(&mut packet);
 
         if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
             // response should be one byte large
@@ -48,7 +48,7 @@ fn main() -> ! {
 
     /* # Retrieve the secret string */
     packet.copy_from_slice(&[]); // empty packet
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");
@@ -79,7 +79,7 @@ fn main() -> ! {
     );
 
     /* # Verify decrypted text */
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");

beginner/apps/src/bin/radio-puzzle-solution.rs

@@ -29,7 +29,7 @@ fn main() -> ! {
         //             ^^^^^^^ NOTE complete ASCII range
         packet.copy_from_slice(&[plainletter]);
 
-        radio.send(&packet);
+        radio.send(&mut packet);
 
         if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
             // response should be one byte large
@@ -51,7 +51,7 @@ fn main() -> ! {
 
     /* # Retrieve the secret string */
     packet.copy_from_slice(&[]); // empty packet
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");
@@ -83,7 +83,7 @@ fn main() -> ! {
     /* # Verify decrypted text */
     packet.copy_from_slice(&buffer);
 
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_err() {
         log::error!("no response or response packet was corrupted");

beginner/apps/src/bin/radio-puzzle.rs

@@ -38,7 +38,7 @@ fn main() -> ! {
         str::from_utf8(msg).expect("msg was not valid UTF-8 data")
     );
 
-    radio.send(&packet);
+    radio.send(&mut packet);
     if radio.recv_timeout(&mut packet, &mut timer, TEN_MS).is_ok() {
         log::info!(
             "received: {}",

beginner/apps/src/bin/radio-recv.rs

@@ -28,7 +28,7 @@ fn main() -> ! {
         "sending: {}",
         str::from_utf8(msg).expect("message is not valid UTF-8")
     );
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     // TODO try uncommenting this line
     // timer.delay(1_000);

beginner/apps/src/bin/radio-send.rs

@@ -32,7 +32,7 @@ fn main() -> ! {
 
     packet.copy_from_slice(msg);
 
-    radio.send(&packet);
+    radio.send(&mut packet);
 
     dk::exit();
 }