281 lines
7 KiB
C
281 lines
7 KiB
C
/*
|
|
* This file is subject to the terms of the GFX License. If a copy of
|
|
* the license was not distributed with this file, you can obtain one at:
|
|
*
|
|
* http://ugfx.io/license.html
|
|
*/
|
|
|
|
#include "gfx.h"
|
|
|
|
#if GFX_USE_GDISP
|
|
|
|
#define GDISP_DRIVER_VMT GDISPVMT_TLS8204
|
|
#include "gdisp_lld_config.h"
|
|
#include "../../../src/gdisp/gdisp_driver.h"
|
|
#include "board_TLS8204.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local definitions. */
|
|
/*===========================================================================*/
|
|
|
|
#define GDISP_TLS8204_HEIGHT 48
|
|
#define GDISP_TLS8204_WIDTH 84
|
|
|
|
#define GDISP_INITIAL_CONTRAST 51
|
|
#define GDISP_INITIAL_BACKLIGHT 100
|
|
|
|
#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER << 0)
|
|
|
|
#include "TLS8204.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local routines. */
|
|
/*===========================================================================*/
|
|
|
|
// Some common routines and macros
|
|
#define RAM(g) ((gU8 *)g->priv)
|
|
|
|
#define xyaddr(x, y) ((x) + ((y) >> 3) * GDISP_TLS8204_WIDTH)
|
|
#define xybit(y) (1 << ((y) & 7))
|
|
|
|
#define LCD_START_LINE_ADDR (66-2)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver exported functions. */
|
|
/*===========================================================================*/
|
|
|
|
/*
|
|
* As this controller can't update on a pixel boundary we need to maintain the
|
|
* the entire display surface in memory so that we can do the necessary bit
|
|
* operations. Fortunately it is a small display in monochrome.
|
|
* Display 48 * 84 / 8 = 504 bytes
|
|
*/
|
|
|
|
#define GDISP_SCREEN_BYTES ((GDISP_TLS8204_WIDTH * GDISP_TLS8204_HEIGHT) / 8)
|
|
|
|
LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
|
|
// The private area is the display surface.
|
|
if (!(g->priv = gfxAlloc(GDISP_SCREEN_BYTES)))
|
|
gfxHalt("GDISP TLS8204: Failed to allocate private memory");
|
|
|
|
// Initialise the board interface
|
|
init_board(g);
|
|
|
|
// Hardware reset
|
|
setpin_reset(g, gTrue);
|
|
gfxSleepMilliseconds(100);
|
|
setpin_reset(g, gFalse);
|
|
gfxSleepMilliseconds(100);
|
|
|
|
acquire_bus(g);
|
|
|
|
// Soft reset - display on
|
|
write_cmd(g, TLS8204_SET_FUNC | TLS8204_H0_BIT | TLS8204_H1_BIT);
|
|
write_cmd(g, TLS8204_RESET);
|
|
gfxSleepMilliseconds(100);
|
|
|
|
// H0H1 = 01
|
|
write_cmd(g, TLS8204_SET_FUNC | TLS8204_H0_BIT);
|
|
write_cmd(g, TLS8204_SET_BIAS_6);
|
|
write_cmd(g, TLS8204_SET_Y_LSB_FIRST);
|
|
write_cmd(g, TLS8204_SET_VLCD0_6 | ((GDISP_INITIAL_CONTRAST * 2 + 22) & 0x7F));
|
|
write_cmd(g, TLS8204_SET_STARTLINE_S6 | ((LCD_START_LINE_ADDR>>6) & 0x01));
|
|
write_cmd(g, TLS8204_SET_STARTLINE_S0_5 | (LCD_START_LINE_ADDR & ((1<<6)-1)));
|
|
|
|
// H0H1 = 00
|
|
write_cmd(g, TLS8204_SET_FUNC);
|
|
write_cmd(g, TLS8204_SET_VLCD7 + ((GDISP_INITIAL_CONTRAST * 2 + 22) >> 7));
|
|
write_cmd(g, TLS8204_SET_DISPLAY_OFF);
|
|
write_cmd(g, TLS8204_SET_DISPLAY_NORMAL);
|
|
|
|
// Finish Init
|
|
post_init_board(g);
|
|
|
|
// Release the bus
|
|
release_bus(g);
|
|
|
|
/* Turn on the back-light */
|
|
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
|
|
|
|
/* Initialise the GDISP structure */
|
|
g->g.Width = GDISP_TLS8204_WIDTH;
|
|
g->g.Height = GDISP_TLS8204_HEIGHT;
|
|
g->g.Orientation = gOrientation0;
|
|
g->g.Powermode = gPowerOn;
|
|
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
|
|
g->g.Contrast = GDISP_INITIAL_CONTRAST;
|
|
|
|
return gTrue;
|
|
}
|
|
|
|
#if GDISP_HARDWARE_FLUSH
|
|
LLDSPEC void gdisp_lld_flush(GDisplay *g) {
|
|
unsigned y;
|
|
|
|
// Don't flush if we don't need it.
|
|
if (!(g->flags & GDISP_FLG_NEEDFLUSH))
|
|
return;
|
|
|
|
acquire_bus(g);
|
|
|
|
for(y = 0; y < GDISP_TLS8204_HEIGHT/8; y++) {
|
|
write_cmd(g, TLS8204_SET_X | 0); // X = 0
|
|
write_cmd(g, TLS8204_SET_Y | y); // Y = 0
|
|
|
|
write_data(g, RAM(g)+y*GDISP_TLS8204_WIDTH, GDISP_SCREEN_BYTES);
|
|
}
|
|
|
|
release_bus(g);
|
|
|
|
g->flags &= ~GDISP_FLG_NEEDFLUSH;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_DRAWPIXEL
|
|
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
|
|
gCoord x, y;
|
|
|
|
#if GDISP_NEED_CONTROL
|
|
switch(g->g.Orientation) {
|
|
default:
|
|
case gOrientation0:
|
|
x = g->p.x;
|
|
y = g->p.y;
|
|
break;
|
|
case gOrientation90:
|
|
x = g->p.y;
|
|
y = g->g.Width - g->p.x - 1;
|
|
break;
|
|
case gOrientation180:
|
|
x = g->g.Width - g->p.x - 1;
|
|
y = g->g.Height - g->p.y - 1;
|
|
break;
|
|
case gOrientation270:
|
|
x = g->g.Height - g->p.y - 1;
|
|
y = g->p.x;
|
|
break;
|
|
}
|
|
#else
|
|
x = g->p.x;
|
|
y = g->p.y;
|
|
#endif
|
|
|
|
if (g->p.color != GFX_BLACK) {
|
|
RAM(g)[xyaddr(x, y)] |= xybit(y);
|
|
} else {
|
|
RAM(g)[xyaddr(x, y)] &= ~xybit(y);
|
|
}
|
|
|
|
g->flags |= GDISP_FLG_NEEDFLUSH;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_PIXELREAD
|
|
LLDSPEC gColor gdisp_lld_get_pixel_color(GDisplay *g) {
|
|
gCoord x, y;
|
|
|
|
switch(g->g.Orientation) {
|
|
default:
|
|
case gOrientation0:
|
|
x = g->p.x;
|
|
y = g->p.y;
|
|
break;
|
|
case gOrientation90:
|
|
x = g->p.y;
|
|
y = GDISP_TLS8204_HEIGHT-1 - g->p.x;
|
|
break;
|
|
case gOrientation180:
|
|
x = GDISP_TLS8204_WIDTH-1 - g->p.x;
|
|
y = GDISP_TLS8204_HEIGHT-1 - g->p.y;
|
|
break;
|
|
case gOrientation270:
|
|
x = GDISP_TLS8204_WIDTH-1 - g->p.y;
|
|
y = g->p.x;
|
|
break;
|
|
}
|
|
return (RAM(g)[xyaddr(x, y)] & xybit(y)) ? GFX_WHITE : GFX_BLACK;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_NEED_CONTROL
|
|
LLDSPEC void gdisp_lld_control(GDisplay *g) {
|
|
switch(g->p.x) {
|
|
case GDISP_CONTROL_POWER:
|
|
if (g->g.Powermode == (gPowermode)g->p.ptr)
|
|
return;
|
|
switch((gPowermode)g->p.ptr) {
|
|
case gPowerOff:
|
|
case gPowerSleep:
|
|
case gPowerDeepSleep:
|
|
acquire_bus(g);
|
|
write_cmd(g, TLS8204_SET_FUNC | TLS8204_PD_BIT);
|
|
release_bus(g);
|
|
break;
|
|
case gPowerOn:
|
|
acquire_bus(g);
|
|
write_cmd(g, TLS8204_SET_FUNC);
|
|
release_bus(g);
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
g->g.Powermode = (gPowermode)g->p.ptr;
|
|
return;
|
|
|
|
case GDISP_CONTROL_ORIENTATION:
|
|
if (g->g.Orientation == (gOrientation)g->p.ptr)
|
|
return;
|
|
switch((gOrientation)g->p.ptr) {
|
|
case gOrientation0:
|
|
case gOrientation180:
|
|
if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
|
|
gCoord tmp;
|
|
|
|
tmp = g->g.Width;
|
|
g->g.Width = g->g.Height;
|
|
g->g.Height = tmp;
|
|
}
|
|
break;
|
|
case gOrientation90:
|
|
case gOrientation270:
|
|
if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
|
|
gCoord tmp;
|
|
|
|
tmp = g->g.Width;
|
|
g->g.Width = g->g.Height;
|
|
g->g.Height = tmp;
|
|
}
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
g->g.Orientation = (gOrientation)g->p.ptr;
|
|
return;
|
|
|
|
case GDISP_CONTROL_BACKLIGHT:
|
|
if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
|
|
set_backlight(g, (unsigned)g->p.ptr);
|
|
g->g.Backlight = (unsigned)g->p.ptr;
|
|
return;
|
|
|
|
case GDISP_CONTROL_CONTRAST:
|
|
if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
|
|
{
|
|
gU8 cval;
|
|
|
|
cval = (unsigned)g->p.ptr * 2 + 22;
|
|
acquire_bus(g);
|
|
write_cmd(g, TLS8204_SET_FUNC | TLS8204_H0_BIT); // H1H0 = 01
|
|
write_cmd(g, TLS8204_SET_VLCD0_6 + (cval & 0x7F));
|
|
write_cmd(g, TLS8204_SET_FUNC); // H1H0 = 00
|
|
write_cmd(g, TLS8204_SET_VLCD7 + (cval >> 7));
|
|
release_bus(g);
|
|
}
|
|
g->g.Contrast = (unsigned)g->p.ptr;
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#endif // GFX_USE_GDISP
|