diff options
Diffstat (limited to 'drivers/gdisp/ILI9320/ili9320_lld.c.h')
| -rw-r--r-- | drivers/gdisp/ILI9320/ili9320_lld.c.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/gdisp/ILI9320/ili9320_lld.c.h b/drivers/gdisp/ILI9320/ili9320_lld.c.h new file mode 100644 index 00000000..6dd9d3fc --- /dev/null +++ b/drivers/gdisp/ILI9320/ili9320_lld.c.h @@ -0,0 +1,149 @@ +/* + 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 */ + |