From 5ca7966b4a1644aa23cc1960f689a2b0ba9e3823 Mon Sep 17 00:00:00 2001
From: ebp1g21 <ebp1g21@soton.ac.uk>
Date: Sun, 14 May 2023 12:48:08 +0000
Subject: [PATCH] Upload New File
---
solution.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 solution.c
diff --git a/solution.c b/solution.c
new file mode 100644
index 0000000..0ba830c
--- /dev/null
+++ b/solution.c
@@ -0,0 +1,60 @@
+#include "pico/stdlib.h"
+#include "hardware/pio.h"
+#include "ws2812.pio.h"
+
+#define IS_RGBW true
+#define WS2812_PIN 28
+
+#define BUTTON_1_PIN 20
+#define BUTTON_2_PIN 21
+#define BUTTON_3_PIN 22
+
+static inline void put_pixel(uint32_t pixel_grb) {
+ pio_sm_put_blocking(pio0, 0, pixel_grb << 8u);
+}
+
+static inline uint32_t urgb_u32(uint8_t r, uint8_t g, uint8_t b) {
+ return
+ ((uint32_t) (r) << 8) |
+ ((uint32_t) (g) << 16) |
+ (uint32_t) (b);
+}
+
+int main() {
+ stdio_init_all();
+
+ // Setting up the ws2812
+ PIO pio = pio0;
+ int sm = 0;
+ uint offset = pio_add_program(pio, &ws2812_program);
+
+ ws2812_program_init(pio, sm, offset, WS2812_PIN, 800000, IS_RGBW);
+
+ // Initializing buttons
+ gpio_init(BUTTON_1_PIN);
+ gpio_set_dir(BUTTON_1_PIN, GPIO_IN);
+ gpio_pull_up(BUTTON_1_PIN);
+
+ gpio_init(BUTTON_2_PIN);
+ gpio_set_dir(BUTTON_2_PIN, GPIO_IN);
+ gpio_pull_up(BUTTON_2_PIN);
+
+ gpio_init(BUTTON_3_PIN);
+ gpio_set_dir(BUTTON_3_PIN, GPIO_IN);
+ gpio_pull_up(BUTTON_3_PIN);
+
+ // Main loop
+ while (true) {
+ if (!gpio_get(BUTTON_1_PIN)) {
+ put_pixel(urgb_u32(0xff, 0, 0));
+ }
+ if (!gpio_get(BUTTON_2_PIN)) {
+ put_pixel(urgb_u32(0, 0xff, 0));
+ }
+ if (!gpio_get(BUTTON_3_PIN)) {
+ put_pixel(urgb_u32(0, 0, 0xff));
+ }
+ }
+
+ return 0; // This will never be reached
+}
\ No newline at end of file
--
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