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/*
ChibiOS/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ILI9320_H
#define ILI9320_H
#if defined(GDISP_USE_GPIO)
#error "ILI9320: GPIO interface not implemented yet"
#elif defined(GDISP_USE_SPI)
#error "ILI9320: GDISP_USE_SPI not implemented yet"
#elif defined(GDISP_USE_FSMC)
#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
#define GDISP_RAM (*((volatile uint16_t *) 0x60100000)) /* RS = 1 */
static __inline void lld_lcdWriteIndex(uint16_t index) {
GDISP_REG = index;
}
static __inline void lld_lcdWriteData(uint16_t data) {
GDISP_RAM = data;
}
static __inline void lld_lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) {
GDISP_REG = lcdReg;
GDISP_RAM = lcdRegValue;
}
static __inline uint16_t lld_lcdReadData(void) {
return (GDISP_RAM);
}
static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
volatile uint16_t dummy;
GDISP_REG = lcdReg;
dummy = GDISP_RAM;
(void)dummy;
return (GDISP_RAM);
}
static __inline void lld_lcdWriteStreamStart(void) {
GDISP_REG = 0x0022;
}
static __inline void lld_lcdWriteStreamStop(void) {
}
static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
uint16_t i;
for(i = 0; i < size; i++)
GDISP_RAM = buffer[i];
}
static __inline void lld_lcdReadStreamStart(void) {
GDISP_REG = 0x0022;
}
static __inline void lld_lcdReadStreamStop(void) {
}
static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
uint16_t i;
volatile uint16_t dummy;
dummy = GDISP_RAM; /* throw away first value read */
(void)dummy;
for(i = 0; i < size; i++)
buffer[i] = GDISP_RAM;
}
#endif
static __inline void lld_lcdDelay(uint16_t us) {
chThdSleepMicroseconds(us);
}
static void lld_lcdSetCursor(uint16_t x, uint16_t y) {
uint32_t addr;
addr = y * 0x100 + x;
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x0020, addr & 0xff); /* low addr */
lld_lcdWriteReg(0x0021, (addr >> 8) & 0x1ff); /* high addr */
//GDISP_REG = 0x0022; /* data reg in IR */
case GDISP_ROTATE_90:
break;
case GDISP_ROTATE_180:
break;
case GDISP_ROTATE_270:
break;
}
}
static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) {
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x0050, x - 1);
lld_lcdWriteReg(0x0051, x + cx - 2);
lld_lcdWriteReg(0x0052, y - 1);
lld_lcdWriteReg(0x0053, y + cy - 2);
break;
case GDISP_ROTATE_90:
break;
case GDISP_ROTATE_180:
break;
case GDISP_ROTATE_270:
break;
}
lld_lcdSetCursor(x, y);
}
static __inline void lld_lcdResetViewPort(void) {
/* ToDo */
}
#endif /* ILI9320_H */
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