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