diff options
Diffstat (limited to 'drivers/gdisp/SSD1289/ssd1289_lld.c.h')
-rw-r--r-- | drivers/gdisp/SSD1289/ssd1289_lld.c.h | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/drivers/gdisp/SSD1289/ssd1289_lld.c.h b/drivers/gdisp/SSD1289/ssd1289_lld.c.h new file mode 100644 index 00000000..7c0fade2 --- /dev/null +++ b/drivers/gdisp/SSD1289/ssd1289_lld.c.h @@ -0,0 +1,322 @@ +/* + ChibiOS/RT - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS-LCD-Driver. + + ChibiOS-LCD-Driver 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-LCD-Driver 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 SSD1289_H +#define SSD1289_H + +#if defined(LCD_USE_GPIO) + #define Set_CS palSetPad(LCD_CMD_PORT, LCD_CS); + #define Clr_CS palClearPad(LCD_CMD_PORT, LCD_CS); + #define Set_RS palSetPad(LCD_CMD_PORT, LCD_RS); + #define Clr_RS palClearPad(LCD_CMD_PORT, LCD_RS); + #define Set_WR palSetPad(LCD_CMD_PORT, LCD_WR); + #define Clr_WR palClearPad(LCD_CMD_PORT, LCD_WR); + #define Set_RD palSetPad(LCD_CMD_PORT, LCD_RD); + #define Clr_RD palClearPad(LCD_CMD_PORT, LCD_RD); + + static __inline void lld_lcdWriteIndex(uint16_t index) { + Clr_RS; Set_RD; + lld_lcdWriteGPIO(index); + Clr_WR; Set_WR; + } + static __inline void lld_lcdWriteData(uint16_t data) { + Set_RS; + lld_lcdWriteGPIO(data); + Clr_WR; Set_WR; + } + static __inline void lld_lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) { + Clr_CS; + lld_lcdWriteIndex(lcdReg); + lld_lcdWriteData(lcdRegValue); + Set_CS; + } + static __inline uint16_t lld_lcdReadData(void) { + uint16_t value; + + Set_RS; Set_WR; Clr_RD; + value = lld_lcdReadGPIO(); + Set_RD; + return value; + } + static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) { + uint16_t value; + + Clr_CS; + lld_lcdWriteIndex(lcdReg); + value = lld_lcdReadData(); + Set_CS; + return value; + } + + static __inline void lld_lcdWriteStreamStart(void) { + Clr_CS; + lld_lcdWriteIndex(0x0022); + } + + static __inline void lld_lcdWriteStreamStop(void) { + Set_CS; + } + + static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { + uint16_t i; + + Set_RS; + for(i = 0; i < size; i++) { lld_lcdWriteGPIO(buffer[i]); Clr_WR; Set_WR; } + } + + static __inline void lld_lcdReadStreamStart(void) { + Clr_CS + lld_lcdWriteIndex(0x0022); + } + + static __inline void lld_lcdReadStreamStop(void) { + Set_CS; + } + + static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) { + uint16_t i; + volatile uint16_t dummy; + + dummy = lld_lcdReadData(); + for(i = 0; i < size; i++) buffer[i] = lld_lcdReadData(); + } + +#elif defined(LCD_USE_FSMC) + /* LCD Registers */ + #define R0 0x00 + #define R1 0x01 + #define R2 0x02 + #define R3 0x03 + #define R4 0x04 + #define R5 0x05 + #define R6 0x06 + #define R7 0x07 + #define R8 0x08 + #define R9 0x09 + #define R10 0x0A + #define R12 0x0C + #define R13 0x0D + #define R14 0x0E + #define R15 0x0F + #define R16 0x10 + #define R17 0x11 + #define R18 0x12 + #define R19 0x13 + #define R20 0x14 + #define R21 0x15 + #define R22 0x16 + #define R23 0x17 + #define R24 0x18 + #define R25 0x19 + #define R26 0x1A + #define R27 0x1B + #define R28 0x1C + #define R29 0x1D + #define R30 0x1E + #define R31 0x1F + #define R32 0x20 + #define R33 0x21 + #define R34 0x22 + #define R36 0x24 + #define R37 0x25 + #define R40 0x28 + #define R41 0x29 + #define R43 0x2B + #define R45 0x2D + #define R48 0x30 + #define R49 0x31 + #define R50 0x32 + #define R51 0x33 + #define R52 0x34 + #define R53 0x35 + #define R54 0x36 + #define R55 0x37 + #define R56 0x38 + #define R57 0x39 + #define R59 0x3B + #define R60 0x3C + #define R61 0x3D + #define R62 0x3E + #define R63 0x3F + #define R64 0x40 + #define R65 0x41 + #define R66 0x42 + #define R67 0x43 + #define R68 0x44 + #define R69 0x45 + #define R70 0x46 + #define R71 0x47 + #define R72 0x48 + #define R73 0x49 + #define R74 0x4A + #define R75 0x4B + #define R76 0x4C + #define R77 0x4D + #define R78 0x4E + #define R79 0x4F + #define R80 0x50 + #define R81 0x51 + #define R82 0x52 + #define R83 0x53 + #define R96 0x60 + #define R97 0x61 + #define R106 0x6A + #define R118 0x76 + #define R128 0x80 + #define R129 0x81 + #define R130 0x82 + #define R131 0x83 + #define R132 0x84 + #define R133 0x85 + #define R134 0x86 + #define R135 0x87 + #define R136 0x88 + #define R137 0x89 + #define R139 0x8B + #define R140 0x8C + #define R141 0x8D + #define R143 0x8F + #define R144 0x90 + #define R145 0x91 + #define R146 0x92 + #define R147 0x93 + #define R148 0x94 + #define R149 0x95 + #define R150 0x96 + #define R151 0x97 + #define R152 0x98 + #define R153 0x99 + #define R154 0x9A + #define R157 0x9D + #define R192 0xC0 + #define R193 0xC1 + #define R229 0xE5 + + #define LCD_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */ + #define LCD_RAM (*((volatile uint16_t *) 0x60020000)) /* RS = 1 */ + + static __inline void lld_lcdWriteIndex(uint16_t index) { LCD_REG = index; } + static __inline void lld_lcdWriteData(uint16_t data) { LCD_RAM = data; } + static __inline void lld_lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) { + LCD_REG = lcdReg; + LCD_RAM = lcdRegValue; + } + static __inline uint16_t lld_lcdReadData(void) { return (LCD_RAM); } + static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) { + volatile uint16_t dummy; + + LCD_REG = lcdReg; + dummy = LCD_RAM; + return (LCD_RAM); + } + static __inline void lld_lcdWriteStreamStart(void) { LCD_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++) LCD_RAM = buffer[i]; + } + static __inline void lld_lcdReadStreamStart(void) { LCD_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 = LCD_RAM; /* throw away first value read */ + for(i = 0; i < size; i++) buffer[i] = LCD_RAM; + } + +#elif defined(LCD_USE_SPI) + #error "gdispSsd1289: LCD_USE_SPI not implemented yet" + +#else + #error "gdispSsd1289: No known LCD_USE_XXX has been defined" +#endif + +static __inline void lld_lcdDelay(uint16_t us) { + chThdSleepMicroseconds(us); +} + +static void lld_lcdSetCursor(uint16_t x, uint16_t y) { + /* Reg 0x004E is an 8 bit value + * Reg 0x004F is 9 bit + * Use a bit mask to make sure they are not set too high + */ + switch(GDISP.Orientation) { + case portraitInv: + lld_lcdWriteReg(0x004e, (SCREEN_WIDTH-1-x) & 0x00FF); + lld_lcdWriteReg(0x004f, (SCREEN_HEIGHT-1-y) & 0x01FF); + break; + case portrait: + lld_lcdWriteReg(0x004e, x & 0x00FF); + lld_lcdWriteReg(0x004f, y & 0x01FF); + break; + case landscape: + lld_lcdWriteReg(0x004e, y & 0x00FF); + lld_lcdWriteReg(0x004f, x & 0x01FF); + break; + case landscapeInv: + lld_lcdWriteReg(0x004e, (SCREEN_WIDTH - y - 1) & 0x00FF); + lld_lcdWriteReg(0x004f, (SCREEN_HEIGHT - x - 1) & 0x01FF); + break; + } +} + +static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) { + lld_lcdSetCursor(x, y); + + /* Reg 0x44 - Horizontal RAM address position + * Upper Byte - HEA + * Lower Byte - HSA + * 0 <= HSA <= HEA <= 0xEF + * Reg 0x45,0x46 - Vertical RAM address position + * Lower 9 bits gives 0-511 range in each value + * 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F + */ + + switch(GDISP.Orientation) { + case portrait: + lld_lcdWriteReg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); + lld_lcdWriteReg(0x45, y & 0x01FF); + lld_lcdWriteReg(0x46, (y+cy-1) & 0x01FF); + break; + case landscape: + lld_lcdWriteReg(0x44, (((x+cx-1) << 8) & 0xFF00) | ((y+cy) & 0x00FF)); + lld_lcdWriteReg(0x45, x & 0x01FF); + lld_lcdWriteReg(0x46, (x+cx-1) & 0x01FF); + break; + case portraitInv: + lld_lcdWriteReg(0x44, (((SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (x+cx)) & 0x00FF)); + lld_lcdWriteReg(0x45, (SCREEN_HEIGHT-(y+cy)) & 0x01FF); + lld_lcdWriteReg(0x46, (SCREEN_HEIGHT-y-1) & 0x01FF); + break; + case landscapeInv: + lld_lcdWriteReg(0x44, (((SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (y+cy)) & 0x00FF)); + lld_lcdWriteReg(0x45, (SCREEN_HEIGHT - (x+cx)) & 0x01FF); + lld_lcdWriteReg(0x46, (SCREEN_HEIGHT - x - 1) & 0x01FF); + break; + } + + lld_lcdSetCursor(x, y); +} + +static __inline void lld_lcdResetViewPort(void) {} + +#endif /* SSD1289_H */ |