diff options
Diffstat (limited to 'drivers/lcd/ssd1289_lld.c')
| -rw-r--r-- | drivers/lcd/ssd1289_lld.c | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/drivers/lcd/ssd1289_lld.c b/drivers/lcd/ssd1289_lld.c deleted file mode 100644 index 6c6c15b5..00000000 --- a/drivers/lcd/ssd1289_lld.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - 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/>. -*/ - -#include "ssd1289_lld.h" - -#ifdef LCD_USE_SSD1289 - -uint8_t orientation; -uint16_t DeviceCode; -extern uint16_t lcd_width, lcd_height; - -static uint16_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)]; - -#ifdef LCD_USE_GPIO - -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 lcdRAM; - - Clr_CS; - lld_lcdWriteIndex(lcdReg); - lcdRAM = lld_lcdReadData(); - - Set_CS; - - return lcdRAM; -} - -__inline void lld_lcdWriteStreamStart(void) { - Clr_CS; - - lld_lcdWriteIndex(0x0022); -} - -__inline void lld_lcdWriteStreamStop(void) { - Set_CS; -} - -__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; - } -} - -__inline void lld_lcdReadStreamStart(void) { - Clr_CS - - lld_lcdWriteIndex(0x0022); -} - -__inline void lld_lcdReadStreamStop(void) { - Set_CS; -} - -__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(); -} - -#endif // LCD_USE_GPIO - -#ifdef LCD_USE_SPI - /* TODO */ -#endif // LCD_USE_SPI - -#ifdef LCD_USE_FSMC - -#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) { - LCD_REG = lcdReg; - volatile uint16_t dummy = LCD_RAM; - return (LCD_RAM); -} - -__inline void lld_lcdWriteStreamStart(void) { - LCD_REG = 0x0022; -} - -__inline void lld_lcdWriteStreamStop(void) { - -} - -__inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { - uint16_t i; - for(i = 0; i < size; i++) - LCD_RAM = buffer[i]; -} - -__inline void lld_lcdReadStreamStart(void) { - LCD_REG = 0x0022; -} - -__inline void lld_lcdReadStreamStop(void) { - -} - -__inline void lld_lcdReadStream(uint16_t *buffer, size_t size) { - uint16_t i; - /* throw away first value read */ - volatile uint16_t dummy = LCD_RAM; - - for(i = 0; i < size; i++) { - buffer[i] = LCD_RAM; - } -} -#endif // LCD_USE_FSMC - -static __inline void lld_lcdDelay(uint16_t us) { - chThdSleepMicroseconds(us); -} - -void lld_lcdSetPowerMode(uint8_t powerMode) { - switch(powerMode) { - case powerOff: - lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode - lld_lcdWriteReg(0x0007, 0x0000); // halt operation - lld_lcdWriteReg(0x0000, 0x0000); // turn off oszillator - lld_lcdWriteReg(0x0010, 0x0001); // enter sleepmode - break; - case powerOn: - lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode - lld_lcdInit(); - break; - case sleepOn: - lld_lcdWriteReg(0x0010, 0x0001); // enter sleep mode - break; - case sleepOff: - lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode - break; - } -} - -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(lcdGetOrientation()) { - 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; - } -} - -void lld_lcdSetOrientation(uint8_t newOrientation) { - orientation = newOrientation; - - switch(orientation) { - case portrait: - lld_lcdWriteReg(0x0001, 0x2B3F); - /* ID = 11 AM = 0 */ - lld_lcdWriteReg(0x0011, 0x6070); - lcd_height = SCREEN_HEIGHT; - lcd_width = SCREEN_WIDTH; - break; - case landscape: - lld_lcdWriteReg(0x0001, 0x293F); - /* ID = 11 AM = 1 */ - lld_lcdWriteReg(0x0011, 0x6078); - lcd_height = SCREEN_WIDTH; - lcd_width = SCREEN_HEIGHT; - break; - case portraitInv: - lld_lcdWriteReg(0x0001, 0x2B3F); - /* ID = 01 AM = 0 */ - lld_lcdWriteReg(0x0011, 0x6040); - lcd_height = SCREEN_HEIGHT; - lcd_width = SCREEN_WIDTH; - break; - case landscapeInv: - lld_lcdWriteReg(0x0001, 0x293F); - /* ID = 01 AM = 1 */ - lld_lcdWriteReg(0x0011, 0x6048); - lcd_height = SCREEN_WIDTH; - lcd_width = SCREEN_HEIGHT; - break; - } -} - -void lld_lcdSetWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) { - lld_lcdSetCursor(x0, y0); - - /* 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(lcdGetOrientation()) { - case portrait: - lld_lcdWriteReg(0x44, (((x1-1) << 8) & 0xFF00 ) | (x0 & 0x00FF)); - lld_lcdWriteReg(0x45, y0 & 0x01FF); - lld_lcdWriteReg(0x46, (y1-1) & 0x01FF); - break; - case landscape: - lld_lcdWriteReg(0x44, (((y1-1) << 8) & 0xFF00) | (y1 & 0x00FF)); - lld_lcdWriteReg(0x45, x0 & 0x01FF); - lld_lcdWriteReg(0x46, (x1-1) & 0x01FF); - break; - case portraitInv: - lld_lcdWriteReg(0x44, (((SCREEN_WIDTH-x0-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - x1) & 0x00FF)); - lld_lcdWriteReg(0x45, (SCREEN_HEIGHT-y1) & 0x01FF); - lld_lcdWriteReg(0x46, (SCREEN_HEIGHT-y0-1) & 0x01FF); - break; - case landscapeInv: - lld_lcdWriteReg(0x44, (((SCREEN_WIDTH - y0 - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - y1) & 0x00FF)); - lld_lcdWriteReg(0x45, (SCREEN_HEIGHT - x1) & 0x01FF); - lld_lcdWriteReg(0x46, (SCREEN_HEIGHT - x0 - 1) & 0x01FF); - break; - } - - lld_lcdSetCursor(x0, y0); -} - -void lld_lcdFillArea(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) { - uint32_t index = 0, area; - - area = ((x1-x0)*(y1-y0)); - - lld_lcdSetWindow(x0, y0, x1, y1); - lld_lcdWriteStreamStart(); - - for(index = 0; index < area; index++) - lld_lcdWriteData(color); - - lld_lcdWriteStreamStop(); -} - -void lld_lcdClear(uint16_t color) { - uint32_t index = 0; - - lld_lcdSetCursor(0, 0); - lld_lcdWriteStreamStart(); - - for(index = 0; index < SCREEN_WIDTH * SCREEN_HEIGHT; index++) - lld_lcdWriteData(color); - - lld_lcdWriteStreamStop(); -} - -uint16_t lld_lcdGetPixelColor(uint16_t x, uint16_t y) { - uint16_t dummy; - - lld_lcdSetCursor(x,y); - lld_lcdWriteStreamStart(); - - dummy = lld_lcdReadData(); - dummy = lld_lcdReadData(); - - lld_lcdWriteStreamStop(); - - return dummy; -} - -void lld_lcdDrawPixel(uint16_t x, uint16_t y, uint16_t color) { - lld_lcdSetCursor(x, y); - lld_lcdWriteReg(0x0022, color); -} - -void lld_lcdInit(void) { -#ifdef LCD_USE_FSMC - /* FSMC setup. TODO: this only works for STM32F1 */ - rccEnableAHB(RCC_AHBENR_FSMCEN, 0); - int FSMC_Bank = 0; - /* timing structure */ - /* from datasheet: - address setup: 0ns - address hold: 0ns - Data setup: 5ns - Data hold: 5ns - Data access: 250ns - output hold: 100ns - */ - FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_1 | FSMC_BTR1_DATAST_1; - - /* Bank1 NOR/SRAM control register configuration */ - FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN; -#endif - DeviceCode = lld_lcdReadReg(0x0000); - - lld_lcdWriteReg(0x0000,0x0001); lld_lcdDelay(5); - lld_lcdWriteReg(0x0003,0xA8A4); lld_lcdDelay(5); - lld_lcdWriteReg(0x000C,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x000D,0x080C); lld_lcdDelay(5); - lld_lcdWriteReg(0x000E,0x2B00); lld_lcdDelay(5); - lld_lcdWriteReg(0x001E,0x00B0); lld_lcdDelay(5); - lld_lcdWriteReg(0x0001,0x2B3F); lld_lcdDelay(5); - lld_lcdWriteReg(0x0002,0x0600); lld_lcdDelay(5); - lld_lcdWriteReg(0x0010,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0011,0x6070); lld_lcdDelay(5); - lld_lcdWriteReg(0x0005,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0006,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0016,0xEF1C); lld_lcdDelay(5); - lld_lcdWriteReg(0x0017,0x0003); lld_lcdDelay(5); - lld_lcdWriteReg(0x0007,0x0133); lld_lcdDelay(5); - lld_lcdWriteReg(0x000B,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x000F,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0041,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0042,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0048,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0049,0x013F); lld_lcdDelay(5); - lld_lcdWriteReg(0x004A,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x004B,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0044,0xEF00); lld_lcdDelay(5); - lld_lcdWriteReg(0x0045,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0046,0x013F); lld_lcdDelay(5); - lld_lcdWriteReg(0x0030,0x0707); lld_lcdDelay(5); - lld_lcdWriteReg(0x0031,0x0204); lld_lcdDelay(5); - lld_lcdWriteReg(0x0032,0x0204); lld_lcdDelay(5); - lld_lcdWriteReg(0x0033,0x0502); lld_lcdDelay(5); - lld_lcdWriteReg(0x0034,0x0507); lld_lcdDelay(5); - lld_lcdWriteReg(0x0035,0x0204); lld_lcdDelay(5); - lld_lcdWriteReg(0x0036,0x0204); lld_lcdDelay(5); - lld_lcdWriteReg(0x0037,0x0502); lld_lcdDelay(5); - lld_lcdWriteReg(0x003A,0x0302); lld_lcdDelay(5); - lld_lcdWriteReg(0x003B,0x0302); lld_lcdDelay(5); - lld_lcdWriteReg(0x0023,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0024,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x0025,0x8000); lld_lcdDelay(5); - lld_lcdWriteReg(0x004f,0x0000); lld_lcdDelay(5); - lld_lcdWriteReg(0x004e,0x0000); lld_lcdDelay(5); -} - -uint16_t lld_lcdGetOrientation(void) { - return orientation; -} - -uint16_t lld_lcdGetHeight(void) { - return lcd_height; -} - -uint16_t lld_lcdGetWidth(void) { - return lcd_width; -} - -/* a positive lines value shifts the screen up, negative down */ -void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, int16_t lines) { - uint16_t row0, row1; - uint16_t i; - - lld_lcdSetWindow(x0, y0, x1, y1); - - for(i = 0; i < ((y1-y0) - abs(lines)); i++) { - if(lines > 0) { - row0 = y0 + i + lines; - row1 = y0 + i; - } else { - row0 = (y1 - i - 1) + lines; - row1 = (y1 - i - 1); - } - - /* read row0 into the buffer and then write at row1*/ - lld_lcdSetWindow(x0, row0, x1, row0); - lld_lcdReadStreamStart(); - lld_lcdReadStream(buf, x1-x0); - lld_lcdReadStreamStop(); - - lld_lcdSetWindow(x0, row1, x1, row1); - lld_lcdWriteStreamStart(); - lld_lcdWriteStream(buf, x1-x0); - lld_lcdWriteStreamStop(); - } -} - -#endif - |