picvue.h

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/*
 * Picvue PVC160206 display driver
 *
 * Brian Murphy <[email protected]>
 *
 */
struct pvc_defs {
    volatile u32 *reg;
    u32 data_shift;
    u32 data_mask;
    u32 e;
    u32 rw;
    u32 rs;
};

extern struct pvc_defs *picvue;

#define PVC_NLINES      2
#define PVC_DISPMEM     80
#define PVC_LINELEN     PVC_DISPMEM / PVC_NLINES
#define PVC_VISIBLE_CHARS   16

void pvc_write_string(const unsigned char *str, u8 addr, int line);
void pvc_write_string_centered(const unsigned char *str, int line);
void pvc_dump_string(const unsigned char *str);

#define BM_SIZE         8
#define MAX_PROGRAMMABLE_CHARS  8
int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);

void pvc_dispcnt(u8 cmd);
#define  DISP_OFF   0
#define  DISP_ON    (1 << 2)
#define  CUR_ON     (1 << 1)
#define  CUR_BLINK  (1 << 0)

void pvc_move(u8 cmd);
#define  DISPLAY    (1 << 3)
#define  CURSOR     0
#define  RIGHT      (1 << 2)
#define  LEFT       0

void pvc_clear(void);
void pvc_home(void);