Build a color test pattern.

pico-blink/src/main.rs

@@ -29,8 +29,8 @@ fn send_byte<I, J, P>(
     J: PinId,
     P: PullType,
 {
-    (0..7).for_each(|bit| {
+    (0..8).for_each(|bit| {
-        if byte & (1 << (7 - bit)) > 0 {
+        if byte & (1 << (8 - bit)) > 0 {
             data.set_high();
         } else {
             data.set_low();
@@ -120,46 +120,127 @@ fn main() -> ! {
 
     let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
 
-    let mut spi_clk = pins.gpio10.into_push_pull_output();
-    let mut spi_sdo = pins.gpio11.into_push_pull_output();
-
     /*
+    let mut spi_clk = pins.gpio10.into_function();
+    let mut spi_sdo = pins.gpio11.into_function();
     let spi = Spi::<_, _, _, 8>::new(pac.SPI1, (spi_sdo, spi_clk));
     let mut spi = spi.init(
         &mut pac.RESETS,
         clocks.peripheral_clock.freq(),
         1.MHz(),
-        embedded_hal::spi::MODE_0,
+        embedded_hal::spi::MODE_1,
     );
     */
 
     let mut led_pin = pins.led.into_push_pull_output();
     let mut blue_pin = pins.gpio3.into_push_pull_output();
     led_pin.set_high().unwrap();
+    delay.delay_ms(500);
+    led_pin.set_low().unwrap();
+
+    let mut spi_clk = pins.gpio10.into_push_pull_output();
+    let mut spi_sdo = pins.gpio11.into_push_pull_output();
     spi_clk.set_low();
     spi_sdo.set_low();
+
+    let bits_1 = &[
+            0, 0, 0, 0,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xff, 0xff, 0xff, 0xff,
+    ];
+    let bits_2 = &[
+            0, 0, 0, 0,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xff, 0xff, 0xff, 0xff,
+    ];
+    let bits_3 = &[
+            0, 0, 0, 0,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xe1, 0x00, 0x00, 0x80,
+            0xe1, 0x80, 0x00, 0x00,
+            0xe1, 0x00, 0x80, 0x00,
+            0xff, 0xff, 0xff, 0xff,
+    ];
+
+    let a = 15 / 2;
+
     loop {
         send(
             &mut spi_sdo,
             &mut spi_clk,
             &mut delay,
-            &[
+            bits_1,
-                0, 0, 0, 0, 0xf0, 0x80, 0x0, 0x0, 0xe1, 0x0, 0x80, 0x0, 0xe1, 0x0, 0x0, 0x80, 0xff,
-                0xff, 0xff, 0xff,
-            ],
         );
+        spi_clk.set_low();
+        spi_sdo.set_low();
+        delay.delay_ms(500);
+
+        send(
+            &mut spi_sdo,
+            &mut spi_clk,
+            &mut delay,
+            bits_2,
+        );
+        spi_clk.set_low();
+        spi_sdo.set_low();
+        delay.delay_ms(500);
+
+        send(
+            &mut spi_sdo,
+            &mut spi_clk,
+            &mut delay,
+            bits_3,
+        );
+        spi_clk.set_low();
+        spi_sdo.set_low();
+        delay.delay_ms(500);
+
         /*
-        spi.write(&[
+        spi.write(bits_1);
-            0, 0, 0, 0, 0xf0, 0x80, 0x0, 0x0, 0xe1, 0x0, 0x80, 0x0, 0xe1, 0x0, 0x0, 0x80, 0xff,
+        delay.delay_ms(500);
-            0xff, 0xff, 0xff,
+        spi.write(bits_2);
-        ]);
+        delay.delay_ms(500);
+        spi.write(bits_3);
+        delay.delay_ms(500);
         */
 
+        /*
         led_pin.set_high().unwrap();
         blue_pin.set_low().unwrap();
         delay.delay_ms(500);
         led_pin.set_low().unwrap();
         blue_pin.set_high().unwrap();
         delay.delay_ms(500);
+        */
     }
 }