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ugfx/drivers/gdisp/SPFD54124B/gdisp_lld_SPFD54124B.c

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/*
* 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.org/license.html
*/
/*
* Driver for display from Nokia 1616 phone
* based on the work of axillent@gmail.com (http://radiokot.ru/articles/53/)
* adapted by shilow@ukr.net with the help of Federico Reds <fede.677387@hotmail.it>
*/
#include "gfx.h"
#if GFX_USE_GDISP
#if defined(GDISP_SCREEN_HEIGHT)
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#undef GDISP_SCREEN_HEIGHT
#endif
#if defined(GDISP_SCREEN_WIDTH)
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#undef GDISP_SCREEN_WIDTH
#endif
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
#include "board_SPFD54124B.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
// Set parameters if they are not already set
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 161
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 129
#endif
/* Offset in RAM of visible area */
#ifndef GDISP_RAM_X_OFFSET
#define GDISP_RAM_X_OFFSET 2
#endif
/* Offset in RAM of visible area */
#ifndef GDISP_RAM_Y_OFFSET
#define GDISP_RAM_Y_OFFSET 1
#endif
#ifndef GDISP_SLEEP_POS
#define GDISP_SLEEP_POS ((GDISP_SCAN_LINES-GDISP_SLEEP_SIZE)/2 & ~3)
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
// Use the priv pointer itself to save our color. This save allocating ram for it
// and works provided sizeof(uint16_t) <= sizeof(void *)
#define savecolor(g) (*(uint16_t *)&g->priv)
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
// Some macros just to make reading the code easier
#define delayms(ms) gfxSleepMilliseconds(ms)
#define write_data2(g, d1, d2) { write_data(g, d1); write_data(g, d2); }
#define write_data3(g, d1, d2, d3) { write_data(g, d1); write_data(g, d2); write_data(g, d3); }
#define write_reg(g, cmd, d1) { write_index(g, cmd); write_data(g, d1); }
#define write_reg2(g, cmd, d1, d2) { write_index(g, cmd); write_data2(g, d1, d2); }
#define write_reg3(g, cmd, d1, d2, d3) { write_index(g, cmd); write_data3(g, d1, d2, d3); }
static GFXINLINE void set_viewport(GDisplay* g)
{
write_reg2(g, SPFD54124B_CMD_CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x+g->p.cx-1); // Column address set
write_reg2(g, SPFD54124B_CMD_RASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y+g->p.cy-1); // Page address set
write_index(g, SPFD54124B_CMD_RAMWR);
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
const uint16_t lcd_init_list[] = {
SPFD54124B_CMD_SLPOUT,
SPFD54124B_CMD_COLMOD, SPFD54124B_SEND_DATA | SPFD54124B_CMD_COLMOD_MCU16bit,
SPFD54124B_CMD_DISPON,
SPFD54124B_CMD_INVOFF,
SPFD54124B_CMD_NORON
};
LLDSPEC bool_t gdisp_lld_init(GDisplay *g)
{
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
// Hardware reset
setpin_reset(g, TRUE);
delayms(100);
setpin_reset(g, FALSE);
delayms(100);
acquire_bus(g);
const uint16_t *list = &lcd_init_list[0];
uint8_t size = sizeof(lcd_init_list) / sizeof(lcd_init_list[0]);
while(size--) {
write_index(g, *list++);
}
// Finish Init
post_init_board(g);
release_bus(g);
// Turn on the back-light
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
// Initialise the GDISP structure to match
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDisplay *g)
{
acquire_bus(g);
set_viewport(g);
}
LLDSPEC void gdisp_lld_write_color(GDisplay *g)
{
write_data(g, gdispColor2Native(g->p.color));
}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g)
{
release_bus(g);
}
#endif
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g)
{
/* The hardware is capable of supporting...
* GDISP_CONTROL_POWER - supported
* GDISP_CONTROL_ORIENTATION - supported
* GDISP_CONTROL_BACKLIGHT - unsupported
* GDISP_CONTROL_CONTRAST - unsupported
*/
switch(g->p.x) {
case GDISP_CONTROL_POWER:
if (g->g.Powermode == (powermode_t)g->p.ptr)
return;
switch((powermode_t)g->p.ptr) {
case powerOff:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPIN);
release_bus(g);
break;
case powerOn:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPOUT);
delayms(20);
write_index(g, SPFD54124B_CMD_NORON);
release_bus(g);
break;
case powerSleep:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPOUT);
delayms(20);
release_bus(g);
break;
default:
return;
}
g->g.Powermode = (powermode_t)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x0100);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x01A0);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x01C0);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x0160);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
// GDISP_ROTATE_PORTRAIT and GDISP_ROTATE_LANDSCAPE are handled by the higher level code
return;
}
g->g.Orientation = (orientation_t)g->p.ptr;
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
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