1 files changed, 49 insertions, 0 deletions
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..8a7250e
--- /dev/null
+++ b/main.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+
+#include "pico/stdlib.h"
+#include "hardware/gpio.h"
+#include "hardware/pio.h"
+#include "hardware/clocks.h"
+
+#include "ws2812.pio.h"
+
+
+#define PIN_RGB 16
+
+
+int main(void)
+{
+    stdio_init_all();
+
+    gpio_init(PIN_RGB);
+    gpio_set_dir(PIN_RGB, GPIO_OUT);
+    gpio_put(PIN_RGB, 1);
+
+    PIO pio = pio0;
+    int sm = 0; // XXX: ???
+    uint32_t offset = pio_add_program(pio, &ws2812_program);
+
+    ws2812_program_init(pio, sm, offset, PIN_RGB, 800000, false);
+
+    uint32_t col = 0;
+    pio_sm_put_blocking(pio0, 0, col << 8u);
+
+    sleep_ms(1000);
+
+    col = 0x0000FF;
+    printf("Hell, world...\n");
+    while(1)
+    {
+        pio_sm_put_blocking(pio0, 0, col);
+        col = col << 8u;
+        if(!col) col = 0x0000FF;
+        sleep_ms(250);
+    }
+
+    return 0;
+}