Remove hello print

Screws with commands that return data, like the version info command.

Signed-off-by: Daniel Schaefer <[email protected]>

Author: JohnAZoidberg

b1display/src/main.rs

@@ -207,8 +207,6 @@ fn main() -> ! {
         screen_on: true,
     };
 
-    let mut said_hello = false;
-
     let timer = Timer::new(pac.TIMER, &mut pac.RESETS);
     let mut prev_timer = timer.get_counter().ticks();
 
@@ -223,22 +221,6 @@ fn main() -> ! {
             prev_timer = timer.get_counter().ticks();
         }
 
-        // A welcome message at the beginning
-        if !said_hello && timer.get_counter().ticks() >= 2_000_000 {
-            said_hello = true;
-            let _ = serial.write(b"Hello, World!\r\n");
-
-            let time = timer.get_counter();
-            let mut text: String<64> = String::new();
-            write!(&mut text, "Current timer ticks: {}\r\n", time).unwrap();
-
-            // This only works reliably because the number of bytes written to
-            // the serial port is smaller than the buffers available to the USB
-            // peripheral. In general, the return value should be handled, so that
-            // bytes not transferred yet don't get lost.
-            let _ = serial.write(text.as_bytes());
-        }
-
         // Check for new data
         if usb_dev.poll(&mut [&mut serial]) {
             let mut buf = [0u8; 64];

c1minimal/src/main.rs

@@ -125,8 +125,6 @@ fn main() -> ! {
         brightness: 10,
     };
 
-    let mut said_hello = false;
-
     let timer = Timer::new(pac.TIMER, &mut pac.RESETS);
     let mut prev_timer = timer.get_counter().ticks();
 
@@ -157,22 +155,6 @@ fn main() -> ! {
             prev_timer = timer.get_counter().ticks();
         }
 
-        // A welcome message at the beginning
-        if !said_hello && timer.get_counter().ticks() >= 2_000_000 {
-            said_hello = true;
-            let _ = serial.write(b"Hello, World!\r\n");
-
-            let time = timer.get_counter();
-            let mut text: String<64> = String::new();
-            write!(&mut text, "Current timer ticks: {}\r\n", time).unwrap();
-
-            // This only works reliably because the number of bytes written to
-            // the serial port is smaller than the buffers available to the USB
-            // peripheral. In general, the return value should be handled, so that
-            // bytes not transferred yet don't get lost.
-            let _ = serial.write(text.as_bytes());
-        }
-
         // Check for new data
         if usb_dev.poll(&mut [&mut serial]) {
             let mut buf = [0u8; 64];

ledmatrix/src/main.rs

@@ -207,8 +207,6 @@ fn main() -> ! {
         .set_scaling(state.brightness)
         .expect("failed to set scaling");
 
-    let mut said_hello = false;
-
     fill_grid_pixels(&state.grid, &mut matrix);
 
     let timer = Timer::new(pac.TIMER, &mut pac.RESETS);
@@ -243,22 +241,6 @@ fn main() -> ! {
             prev_timer = timer.get_counter().ticks();
         }
 
-        // A welcome message at the beginning
-        if !said_hello && timer.get_counter().ticks() >= 2_000_000 {
-            said_hello = true;
-            let _ = serial.write(b"Hello, World!\r\n");
-
-            let time = timer.get_counter();
-            let mut text: String<64> = String::new();
-            write!(&mut text, "Current timer ticks: {}\r\n", time).unwrap();
-
-            // This only works reliably because the number of bytes written to
-            // the serial port is smaller than the buffers available to the USB
-            // peripheral. In general, the return value should be handled, so that
-            // bytes not transferred yet don't get lost.
-            let _ = serial.write(text.as_bytes());
-        }
-
         // Check for new data
         if usb_dev.poll(&mut [&mut serial]) {
             let mut buf = [0u8; 64];