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