From 6d14cdbe2a45be1ab2331b082caf50a526b0e831 Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Tue, 14 Nov 2023 08:04:31 -0500
Subject: [PATCH] Build a color test pattern.

---
 pico-blink/src/main.rs | 104 +++++++++++++++++++++++++++++++++++------
 1 file changed, 91 insertions(+), 13 deletions(-)

diff --git a/pico-blink/src/main.rs b/pico-blink/src/main.rs
index 57ff34a..e857ac9 100644
--- a/pico-blink/src/main.rs
+++ b/pico-blink/src/main.rs
@@ -120,49 +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,
-            &[
-                0xe1, 0x80, 0x00, 0x00,
-                0xe1, 0x00, 0x80, 0x00,
-                0xe1, 0x00, 0x00, 0x80,
-            ],
+            bits_1,
         );
         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(&[
-            0, 0, 0, 0, 0xf0, 0x80, 0x0, 0x0, 0xe1, 0x0, 0x80, 0x0, 0xe1, 0x0, 0x0, 0x80, 0xff,
-            0xff, 0xff, 0xff,
-        ]);
+        spi.write(bits_1);
+        delay.delay_ms(500);
+        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);
+        */
     }
 }