#include "wiring_serial.h"

void clear_screen(void) {
serialWrite(0x7c); serialWrite(0x00);
}

void pixel(char S_R, char x, char y) {
serialWrite(0x7c); serialWrite(0x10);
serialWrite(x); serialWrite(y); serialWrite(S_R);
}

void line(char S_R, char x1, char y1, char x2, char y2) {
serialWrite(0x7c); serialWrite(0x0c);
serialWrite(x1); serialWrite(y1); serialWrite(x2); serialWrite(y2); serialWrite(S_R);
}

void circle(char S_R, int x, int y, int r) {
serialWrite(0x7c); serialWrite(0x03);
serialWrite(x); serialWrite(y); serialWrite(r); serialWrite(S_R);
}

void erase_block(char x1, char y1, char x2, char y2) {
serialWrite(0x7c); serialWrite(0x05);
serialWrite(x1); serialWrite(y1); serialWrite(x2); serialWrite(y2);
}

void box(char S_R, char x1, char y1, char x2, char y2) {
// serialWrite(0x7c); serialWrite(0x0f);
// serialWrite(x1); serialWrite(y1); serialWrite(x2); serialWrite(y2); serialWrite(S_R);
line(S_R, x1, y1, x2, y1);
line(S_R, x2, y1, x2, y2);
line(S_R, x1, y2, x2, y2);
line(S_R, x1, y2, x1, y1);
}

void set_text_position(char x, char y) {
serialWrite(0x7c); serialWrite(0x18); serialWrite(x);
serialWrite(0x7c); serialWrite(0x19); serialWrite(y);
}