Some old AVR projects
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#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdint.h>
#include <stdlib.h>
#include "lib/meta.h"
#include "lib/arduino_pins.h"
#include "lib/calc.h"
#include "lib/colors.h"
#include "lib/hsl.h"
#include "lib/adc.h"
#define WS_T_1H 650
#define WS_T_1L 200
#define WS_T_0H 120
#define WS_T_0L 650
#include "lib/ws_rgb.h"
#define WS1 D2
void SECTION(".init8") init()
{
adc_init();
srand(adc_read_word(0));
as_output(WS1);
}
void main()
{
#define WIDTH 4
#define HEIGHT 4
#define SIZE (WIDTH*HEIGHT)
hsl_t board[SIZE];
xrgb_t screen[SIZE];
for (uint8_t i = 0; i < SIZE; i++) {
board[i] = (hsl_t) {.h=0, .s=255, .l=0};
screen[i] = (xrgb_t) {.r=0, .g=0, .b=0};
}
while(1) {
for(uint8_t i = 0; i < SIZE; i++) {
if (board[i].l > 0) {
board[i].l--;
}
screen[i] = hsl2xrgb(board[i]);
}
if (rand() % 4 == 0) {
uint8_t i = rand() % SIZE;
if (board[i].l == 0) {
board[i].h = 125 + rand() % 57;
board[i].s = 200 + rand() % 56;
board[i].l = 150 + rand() % 106;
}
}
//ws_send_xrgb_array_zigzag_linear(WS1, screen, 4, 4);
ws_send_xrgb_array_zigzag_linear(WS1, screen, 4, 4);
_delay_ms(10);
}
}