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#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;
}
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