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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 SSD1289_H
#define SSD1289_H
#if defined(GDISP_USE_GPIO)
#define Set_CS palSetPad(GDISP_CMD_PORT, GDISP_CS);
#define Clr_CS palClearPad(GDISP_CMD_PORT, GDISP_CS);
#define Set_RS palSetPad(GDISP_CMD_PORT, GDISP_RS);
#define Clr_RS palClearPad(GDISP_CMD_PORT, GDISP_RS);
#define Set_WR palSetPad(GDISP_CMD_PORT, GDISP_WR);
#define Clr_WR palClearPad(GDISP_CMD_PORT, GDISP_WR);
#define Set_RD palSetPad(GDISP_CMD_PORT, GDISP_RD);
#define Clr_RD palClearPad(GDISP_CMD_PORT, GDISP_RD);
extern void lld_lcdWriteGPIO(uint16_t data);
extern uint16_t lld_lcdReadGPIO(void);
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();
(void)dummy;
}
#elif defined(GDISP_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 GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
#define GDISP_RAM (*((volatile uint16_t *) 0x60020000)) /* 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;
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 */
for(i = 0; i < size; i++) buffer[i] = GDISP_RAM;
}
#elif defined(GDISP_USE_SPI)
#error "gdispSsd1289: GDISP_USE_SPI not implemented yet"
#else
#error "gdispSsd1289: No known GDISP_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 GDISP_ROTATE_180:
lld_lcdWriteReg(0x004e, (SCREEN_WIDTH-1-x) & 0x00FF);
lld_lcdWriteReg(0x004f, (SCREEN_HEIGHT-1-y) & 0x01FF);
break;
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x004e, x & 0x00FF);
lld_lcdWriteReg(0x004f, y & 0x01FF);
break;
case GDISP_ROTATE_90:
lld_lcdWriteReg(0x004e, y & 0x00FF);
lld_lcdWriteReg(0x004f, x & 0x01FF);
break;
case GDISP_ROTATE_270:
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 GDISP_ROTATE_0:
lld_lcdWriteReg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));
lld_lcdWriteReg(0x45, y & 0x01FF);
lld_lcdWriteReg(0x46, (y+cy-1) & 0x01FF);
break;
case GDISP_ROTATE_90:
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 GDISP_ROTATE_180:
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 GDISP_ROTATE_270:
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 */
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