added the f!() macro to the library to make shure that all random text can be written to the progmem to save the important ram

Examples/Arduboy-Tutorials/demo2/src/lib.rs

@@ -1,4 +1,5 @@
 #![no_std]
+#![allow(non_upper_case_globals)]
 //Include the Arduboy Library
 //Initialize the arduboy object
 use arduboy_rust::prelude::*;
@@ -8,7 +9,7 @@ pub unsafe extern "C" fn setup() {
     // put your setup code here, to run once:
     arduboy.begin();
     arduboy.clear();
-    arduboy.print("Holmes is cool!\0");
+    arduboy.print(f!(b"Holmes is cool!\0"));
     arduboy.display();
 }
 #[no_mangle]

Examples/Arduboy-Tutorials/demo4/src/lib.rs

@@ -43,7 +43,7 @@ pub unsafe extern "C" fn loop_() {
         //Move the cursor to the position 30, 30 of the screen
         arduboy.set_cursor(30, 30);
         //Printing the yay (important always put the \0 at the end for &str)
-        arduboy.print("Yay!\0");
+        arduboy.print(f!(b"Yay!\0"));
     }
     //Move the cursor back to the top-left of the screen
     arduboy.set_cursor(0, 0);

Examples/Arduboy-Tutorials/demo5/src/lib.rs

@@ -33,9 +33,9 @@ pub unsafe extern "C" fn loop_() {
         if attempts == 7 {
             //Game Over screen
             arduboy.set_cursor(0, 0);
-            arduboy.print("You lost!\0");
+            arduboy.print(f!(b"You lost!\0"));
-            arduboy.print("\n\0");
+            arduboy.print(f!(b"\n\0"));
-            arduboy.print("Correct Number: \0");
+            arduboy.print(f!(b"Correct Number: \0"));
             arduboy.print(randomnumber);
             if A.just_pressed() {
                 randomnumber = random_between(1, 101) as i16;
@@ -59,30 +59,30 @@ pub unsafe extern "C" fn loop_() {
                 }
             }
             arduboy.set_cursor(0, 0);
-            arduboy.print("Attempt: \0");
+            arduboy.print(f!(b"Attempt: \0"));
             arduboy.print(attempts);
-            arduboy.print("\n\0");
+            arduboy.print(f!(b"\n\0"));
-            arduboy.print("Number to guess: \0");
+            arduboy.print(f!(b"Number to guess: \0"));
             arduboy.print(guessednumber);
-            arduboy.print("\n\0");
+            arduboy.print(f!(b"\n\0"));
             if attempts == 0 {
-                arduboy.print("Good luck!\0");
+                arduboy.print(f!(b"Good luck!\0"));
             } else {
                 arduboy.print(lastguess);
                 if lastguess > randomnumber {
-                    arduboy.print(" is too high!\0");
+                    arduboy.print(f!(b" is too high!\0"));
                 }
                 if lastguess < randomnumber {
-                    arduboy.print(" is too low!\0");
+                    arduboy.print(f!(b" is too low!\0"));
                 }
             }
         }
     } else {
         //Tell the player that they won!
         arduboy.set_cursor(0, 0);
-        arduboy.print("You won!\0");
+        arduboy.print(f!(b"You won!\0"));
-        arduboy.print("\n\0");
+        arduboy.print(f!(b"\n\0"));
-        arduboy.print("Correct Number: \0");
+        arduboy.print(f!(b"Correct Number: \0"));
         arduboy.print(randomnumber);
 
         if A.just_pressed() {

Examples/Arduboy-Tutorials/eeprom/src/lib.rs

@@ -48,10 +48,10 @@ pub unsafe extern "C" fn loop_() {
     arduboy.print(count as u16);
 
     arduboy.set_cursor(0, 30);
-    arduboy.print("Memory:\0");
+    arduboy.print(f!(b"Memory:\0"));
     arduboy.print(MEM as u16);
     arduboy.set_cursor(0, 40);
-    arduboy.print("eeprom:\0");
+    arduboy.print(f!(b"eeprom:\0"));
 
     arduboy.print(eeprom.read() as u16);
 

Examples/Arduboy-Tutorials/progmem/src/lib.rs

@@ -62,58 +62,6 @@ progmem!(
         TONES_REPEAT,
     ];
 );
-//#[link_section = ".progmem.data"]
-//static player_sprite1: [u8; 34] = [
-//    16, 16, 0xfe, 0x01, 0x3d, 0x25, 0x25, 0x3d, 0x01, 0x01, 0xc1, 0x01, 0x3d, 0x25, 0x25, 0x3d,
-//    0x01, 0xfe, 0x7f, 0x80, 0x9c, 0xbc, 0xb0, 0xb0, 0xb2, 0xb2, 0xb3, 0xb0, 0xb0, 0xb0, 0xbc, 0x9c,
-//    0x80, 0x7f,
-//];
-// #[link_section = ".progmem.data"]
-// static tones: [u16; 43] = [
-//     NOTE_E4,
-//     400,
-//     NOTE_D4,
-//     200,
-//     NOTE_C4,
-//     400,
-//     NOTE_REST,
-//     200,
-//     NOTE_D4,
-//     200,
-//     NOTE_C4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_C4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_E4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_G4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_F4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_A4,
-//     300,
-//     NOTE_REST,
-//     100,
-//     NOTE_D5H,
-//     200,
-//     NOTE_REST,
-//     200,
-//     NOTE_D5H,
-//     200,
-//     NOTE_REST,
-//     1500,
-//     TONES_REPEAT,
-// ];
 
 // dynamic ram variables
 static mut playerx: c_int = 5;

Examples/Arduboy-Tutorials/tone/src/lib.rs

@@ -341,7 +341,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tone(1000, 0);
     arduboy.clear();
-    arduboy.print("tone(1000)\n\nB: no_tone()\n   delay(1000)\n   break\0");
+    arduboy.print(f!(b"tone(1000)\n\nB: no_tone()\n   delay(1000)\n   break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B_BUTTON) {
@@ -353,7 +353,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tone(500, 4000);
     arduboy.clear();
-    arduboy.print("tone(500, 4000)\n\nB: break\0");
+    arduboy.print(f!(b"tone(500, 4000)\n\nB: break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B_BUTTON) {
@@ -364,7 +364,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tone2(NOTE_C4, 500, NOTE_C5H, 5000);
     arduboy.clear();
-    arduboy.print("tone(C4,500,C5H,5000)\n\nB: no_tone(), break\0");
+    arduboy.print(f!(b"tone(C4,500,C5H,5000)\n\nB: no_tone(), break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B_BUTTON) {
@@ -376,7 +376,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tone3(NOTE_C7H, 500, NOTE_REST, 1000, NOTE_C6, 5000);
     arduboy.clear();
-    arduboy.print("tone(C7H,500,\n     REST,1000,\n     C6,6000)\n\nB: no_tone(), break\0");
+    arduboy.print(f!(b"tone(C7H,500,\n     REST,1000,\n     C6,6000)\n\nB: no_tone(), break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B_BUTTON) {
@@ -388,7 +388,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tones(get_tones_addr!(allNotes));
     arduboy.clear();
-    arduboy.print("tones(allNotes)\n\nA: no_tone(), again\nUP: again\nB: break\0");
+    arduboy.print(f!(b"tones(allNotes)\n\nA: no_tone(), again\nUP: again\nB: break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(A_BUTTON) {
@@ -407,7 +407,7 @@ pub unsafe extern "C" fn loop_() {
     new_notes = false;
     sound.tones_in_ram(get_tones_addr!(in_ram) as *mut u32);
     arduboy.clear();
-    arduboy.print("tonesInRAM(inRAM)\n\nA: change notes\nB: break\0");
+    arduboy.print(f!(b"tonesInRAM(inRAM)\n\nA: change notes\nB: break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(A_BUTTON) {
@@ -429,7 +429,7 @@ pub unsafe extern "C" fn loop_() {
 
     sound.tones(get_tones_addr!(sound1));
     arduboy.clear();
-    arduboy.print("volume_mode(IN_TONES)\ntones(sound1)\n\nB: break\0");
+    arduboy.print(f!(b"volume_mode(IN_TONES)\ntones(sound1)\n\nB: break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B) {
@@ -441,7 +441,7 @@ pub unsafe extern "C" fn loop_() {
     sound.volume_mode(VOLUME_ALWAYS_NORMAL);
     sound.tones(get_tones_addr!(sound1));
     arduboy.clear();
-    arduboy.print("volume_mode(NORMAL)\ntones(sound1)\n\nB: no_tone(), break\0");
+    arduboy.print(f!(b"volume_mode(NORMAL)\ntones(sound1)\n\nB: no_tone(), break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B) {
@@ -454,7 +454,7 @@ pub unsafe extern "C" fn loop_() {
     sound.volume_mode(VOLUME_ALWAYS_HIGH);
     sound.tones(get_tones_addr!(sound1));
     arduboy.clear();
-    arduboy.print("volume_mode(HIGH)\ntones(sound1)\n\nB: break\0");
+    arduboy.print(f!(b"volume_mode(HIGH)\ntones(sound1)\n\nB: break\0"));
     while sound.playing() {
         move_circle();
         if arduboy.pressed(B) {
@@ -480,13 +480,13 @@ fn move_circle() {
 
 fn display_audio() {
     arduboy.clear();
-    arduboy.print("Audio enabled: \0");
+    arduboy.print(f!(b"Audio enabled: \0"));
     if arduboy.audio_enabled() {
-        arduboy.print("YES\0");
+        arduboy.print(f!(b"YES\0"));
     } else {
-        arduboy.print("NO\0")
+        arduboy.print(f!(b"NO\0"))
     }
 
-    arduboy.print("\n\nUP:   enable\nDOWN: disable\nB: break\0");
+    arduboy.print(f!(b"\n\nUP:   enable\nDOWN: disable\nB: break\0"));
     arduboy.invert(!arduboy.audio_enabled());
 }

Examples/pong/src/lib.rs

@@ -1,4 +1,5 @@
 #![no_std]
+#![allow(non_upper_case_globals)]
 
 use arduboy_rust::prelude::*;
 
@@ -91,9 +92,9 @@ pub unsafe extern "C" fn loop_() {
     match G.game_state {
         GameState::Title => {
             arduboy.set_cursor(52, 10);
-            arduboy.print(&b"PONG\0"[..]);
+            arduboy.print(f!(b"PONG\0"));
             arduboy.set_cursor(16, 22);
-            arduboy.print(&b"Press A to start\0"[..]);
+            arduboy.print(f!(b"Press A to start\0"));
             if A.just_pressed() {
                 G.game_state = GameState::Gameplay;
             }
@@ -106,14 +107,14 @@ pub unsafe extern "C" fn loop_() {
         }
         GameState::Win => {
             arduboy.set_cursor(40, 10);
-            arduboy.print(&b"You Win!\0"[..]);
+            arduboy.print(f!(b"You Win!\0"));
             if A.just_pressed() {
                 reset_game();
             }
         }
         GameState::Lose => {
             arduboy.set_cursor(37, 10);
-            arduboy.print(&b"Game Over\0"[..]);
+            arduboy.print(f!(b"Game Over\0"));
             if A.just_pressed() {
                 reset_game();
             }

Examples/snake/src/lib.rs

@@ -1,4 +1,5 @@
 #![no_std]
+#![allow(non_upper_case_globals)]
 use arduboy_rust::prelude::*;
 
 static mut MEM: u8 = 0;
@@ -201,10 +202,10 @@ pub unsafe extern "C" fn loop_() {
         State::Title => {
             arduboy.set_cursor(0, 0);
             arduboy.set_text_size(2);
-            arduboy.print(&b"RustySnake\n\0"[..]);
+            arduboy.print(f!(b"RustySnake\n\0"));
             arduboy.set_text_size(1);
-            arduboy.print(&b"\nControls: \nB for Pause\nA&B for reset\n\0"[..]);
+            arduboy.print(f!(b"\nControls: \nB for Pause\nA&B for reset\n\0"));
-            arduboy.print(&b"\nZennDev 2023\n\0"[..]);
+            arduboy.print(f!(b"\nZennDev 2023\n\0"));
             if A.just_pressed() {
                 snake.game_state = State::Game;
             }
@@ -224,7 +225,7 @@ pub unsafe extern "C" fn loop_() {
         }
         State::Win => (),
         State::Pause => {
-            let msg = &b"[ Break ]\0"[..];
+            let msg = "[ Break ]\0";
             let l = msg.len() as u8 * FONT_SIZE / 2;
             arduboy.set_cursor(
                 ((WIDTH / 2) as u16 - l as u16).try_into().unwrap(),
@@ -248,14 +249,14 @@ pub unsafe extern "C" fn loop_() {
             }
 
             arduboy.set_cursor(0, 0);
-            arduboy.print(&b"Game Over!\0"[..]);
+            arduboy.print(f!(b"Game Over!\0"));
-            arduboy.print(&b"\n\n\0"[..]);
+            arduboy.print(f!(b"\n\n\0"));
-            arduboy.print(&b"Score: \0"[..]);
+            arduboy.print(f!(b"Score: \0"));
             arduboy.print(snake.points as u16);
-            arduboy.print(&b"\nHigh Score: \0"[..]);
+            arduboy.print(f!(b"\nHigh Score: \0"));
             arduboy.print(MEM as u16);
-            arduboy.print(&b"\n\n\0"[..]);
+            arduboy.print(f!(b"\n\n\0"));
-            arduboy.print(&b"Press A to Play Again\0"[..]);
+            arduboy.print(f!(b"Press A to Play Again\0"));
 
             if A.just_pressed() {
                 snake.game_state = State::Reset;

Project/game/src/lib.rs

@@ -14,6 +14,10 @@ use arduboy_rust::prelude::*;
 #[no_mangle]
 pub unsafe extern "C" fn setup() {
     // put your setup code here, to run once:
+    arduboy.begin();
+    arduboy.clear();
+    arduboy.print(f!(b"hello boys\0"));
+    arduboy.display();
 }
 
 // The loop() function repeats forever after setup() is done

arduboy-rust/src/library/progmem.rs

@@ -63,3 +63,22 @@ macro_rules! get_string_addr {
     };
 }
 pub(super) use get_string_addr;
+///This is the way to go if you want print some random text
+///
+/// This doesn't waste the 2kb ram it saves to progmem (28kb)
+/// This automatically saves the given text to the Progmem.
+/// ## Example
+/// ```
+/// arduboy.print(f!(b"Random text to print"))
+/// ```
+#[macro_export]
+macro_rules! f {
+    ($string_literal:literal) => {{
+        progmem!(
+            static local: [u8; _] = *$string_literal;
+        );
+
+        get_string_addr!(local)
+    }};
+}
+pub(super) use f;

arduboy-rust/src/prelude.rs

@@ -19,7 +19,7 @@ pub use crate::library::c::*;
 pub use crate::library::eeprom::EEPROM;
 pub use crate::library::sprites;
 pub use crate::print::*;
-pub use crate::{get_sprite_addr, get_string_addr, get_tones_addr, progmem};
+pub use crate::{f, get_sprite_addr, get_string_addr, get_tones_addr, progmem};
 use core::cmp;
 
 pub fn constrain<T: Ord>(x: T, a: T, b: T) -> T {