Files
picopal/main.c
2026-04-01 18:41:10 +02:00

72 lines
1.5 KiB
C

#include <stdio.h>
#include <string.h>
#include "pico/stdlib.h"
#include "pico/multicore.h"
#include "cvideo.h"
#include "text_mode.h"
// --------------------------------
// CORE 1
// --------------------------------
void core1_entry() {
// Nothing yet
}
// --------------------------------
// --------------------------------
// CORE 0
// --------------------------------
static video_framebuffer_t fb0, fb1;
static text_mode_buffer_t text_mode_buffer;
static bool framebuffer_switched = true;
static bool text_mode = true;
void framebuffer_switched_cb(){
framebuffer_switched = true;
}
void main() {
stdio_init_all();
multicore_launch_core1(core1_entry);
init_font_cache();
video_set_framebuffer_switched_cb(framebuffer_switched_cb);
video_init(fb0);
memset(text_mode_buffer, 0, CHAR_LINES*CHARS_PER_LINE);
strcpy(&text_mode_buffer[0][0], "PicoPAL text mode");
strcpy(&text_mode_buffer[1][0], "-----------------");
gpio_init(25);
gpio_set_dir(25, GPIO_OUT);
int fbnum = 1;
video_framebuffer_ptr_t fbs[] = {fb0, fb1};
while (true) {
// Check if need to draw new frame
if(framebuffer_switched){
gpio_put(25, fbnum);
if(text_mode){
draw_text_mode(fbs[fbnum], text_mode_buffer);
}
fbnum = (fbnum+1)%2;
framebuffer_switched = false;
}
tight_loop_contents();
}
}
// --------------------------------