/* Nokia 5110 (PCD8544) on SPI0: SCK GP18, MOSI GP19, CE GP17, D/C GP20, RST GP21. 84 × 48, 504-byte framebuffer. */
#ifndef SEEDBOX_PCD8544_H
#define SEEDBOX_PCD8544_H

#define LCD_W 84
#define LCD_H 48
#define LCD_VOP_DEFAULT 66     /* contrast; varies between modules, so it's a setting. 66 suits the bench module. */

void lcd_init(int vop);
void lcd_set_vop(int vop);     /* 0..127 */
void lcd_clear(void);
void lcd_px(int x, int y, int on);
void lcd_fill(int x, int y, int w, int h, int on);
void lcd_box(int x, int y, int w, int h);     /* 1 px outline */
void lcd_text(int x, int y, const char *s);   /* 5 × 7 font from app.js, 6 px per character, upper case */
void lcd_text_v(int x, int y, const char *s, int on);   /* draws only the glyph pixels, in on (0 = inverse) */
void lcd_flush(void);

#endif