diff options
Diffstat (limited to 'drivers/lcd/s6d1121_lld.c')
| -rw-r--r-- | drivers/lcd/s6d1121_lld.c | 543 |
1 files changed, 0 insertions, 543 deletions
diff --git a/drivers/lcd/s6d1121_lld.c b/drivers/lcd/s6d1121_lld.c deleted file mode 100644 index 2fdd055e..00000000 --- a/drivers/lcd/s6d1121_lld.c +++ /dev/null @@ -1,543 +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 "ch.h" -#include "hal.h" - -#include "s6d1121_lld.h" -#include "chprintf.h" - -#ifdef LCD_USE_S6D1121 - -static uint8_t orientation; -extern uint16_t lcd_width, lcd_height; - -/* all interfaces use RST via GPIO */ -/* TODO: option to disable RST; assumes RST is tied high */ -#define LCD_RST_LOW palClearPad(LCD_RST_GPIO, LCD_RST_PIN) -#define LCD_RST_HIGH palSetPad(LCD_RST_GPIO, LCD_RST_PIN) - -#define s6d1121_delay(n) halPolledDelay(MS2RTT(n)); - -static uint16_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)]; - -#if defined(LCD_USE_GPIO) - -#define LCD_CS_LOW palClearPad(LCD_CS_GPIO, LCD_CS_PIN) -#define LCD_CS_HIGH palSetPad(LCD_CS_GPIO, LCD_CS_PIN) - -#define LCD_RS_LOW palClearPad(LCD_RS_GPIO, LCD_RS_PIN) -#define LCD_RS_HIGH palSetPad(LCD_RS_GPIO, LCD_RS_PIN) - -#define LCD_RD_LOW palClearPad(LCD_RD_GPIO, LCD_RD_PIN) -#define LCD_RD_HIGH palSetPad(LCD_RD_GPIO, LCD_RD_PIN) - -#define LCD_WR_LOW palClearPad(LCD_WR_GPIO, LCD_WR_PIN) -#define LCD_WR_HIGH palSetPad(LCD_WR_GPIO, LCD_WR_PIN) - -#define LCD_BL_LOW palClearPad(LCD_BL_GPIO, LCD_BL_PIN) -#define LCD_BL_HIGH palSetPad(LCD_BL_GPIO, LCD_BL_PIN) - - -static inline void lld_lcddelay(void) -{ - asm volatile ("nop"); - asm volatile ("nop"); -} - -static inline void lld_lcdwrite(uint16_t db) -{ - LCD_D4_GPIO->BSRR.W=((~db&0xFFF0)<<16)|(db&0xFFF0); - LCD_D0_GPIO->BSRR.W=((~db&0x000F)<<16)|(db&0x000F); - - LCD_WR_LOW; - lld_lcddelay(); - LCD_WR_HIGH; -} - -static __inline uint16_t lld_lcdReadData(void) { - uint16_t value=0; - - LCD_RS_HIGH; - LCD_WR_HIGH; - LCD_RD_LOW; - -#ifndef STM32F4XX - // change pin mode to digital input - LCD_DATA_PORT->CRH = 0x47444444; - LCD_DATA_PORT->CRL = 0x47444444; -#else - -#endif - -#ifndef STM32F4XX - // change pin mode back to digital output - LCD_DATA_PORT->CRH = 0x33333333; - LCD_DATA_PORT->CRL = 0x33333333; -#else -#endif - LCD_RD_HIGH; - - return value; -} - -static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) { - uint16_t lcdRAM; - - LCD_CS_LOW; - LCD_RS_LOW; - lld_lcdwrite(lcdReg); - LCD_RS_HIGH; - lcdRAM = lld_lcdReadData(); - - LCD_CS_HIGH; - - return lcdRAM; -} - -void lld_lcdWriteIndex(uint16_t lcdReg) { - LCD_RS_LOW; - - lld_lcdwrite(lcdReg); - - LCD_RS_HIGH; -} - -void lld_lcdWriteData(uint16_t lcdData) { - lld_lcdwrite(lcdData); -} - -void lld_lcdWriteReg(uint16_t lcdReg, uint16_t lcdRegValue) { - LCD_CS_LOW; - - lld_lcdWriteIndex(lcdReg); - lld_lcdWriteData(lcdRegValue); - - LCD_CS_HIGH; -} - -static __inline void lld_lcdWriteStreamStart(void) { - LCD_CS_LOW; - lld_lcdWriteIndex(0x0022); -} - -static __inline void lld_lcdWriteStreamStop(void) { - LCD_CS_HIGH; -} - -__inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { - uint16_t i; - - for(i = 0; i < size; i++) { - lld_lcdwrite(buffer[i]); - } -} - -__inline void lld_lcdReadStreamStart(void) { - /* TODO */ -} - -__inline void lld_lcdReadStreamStop(void) { - /* TODO */ -} - -__inline void lld_lcdReadStream(uint16_t *buffer, size_t size) { - /* TODO */ -} - -#elif defined(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; - 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 - -void lld_lcdSetPowerMode(uint8_t powerMode) { - /* TODO: implement */ -} - -void lld_lcdInit(void) { - palSetPadMode(LCD_RST_GPIO, LCD_RST_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - // A Good idea to reset the module before using - LCD_RST_LOW; - s6d1121_delay(2); - LCD_RST_HIGH; // Hardware Reset - s6d1121_delay(2); - -#ifdef LCD_USE_GPIO - // IO Default Configurations - palSetPadMode(LCD_CS_GPIO, LCD_CS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - palSetPadMode(LCD_WR_GPIO, LCD_WR_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - palSetPadMode(LCD_RD_GPIO, LCD_RD_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - palSetPadMode(LCD_RS_GPIO, LCD_RS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - palSetPadMode(LCD_BL_GPIO, LCD_BL_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - - palSetGroupMode(LCD_D0_GPIO, 0x0000000F, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - palSetGroupMode(LCD_D4_GPIO, 0x0000FFF0, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST); - - LCD_CS_HIGH; - LCD_RD_HIGH; - LCD_WR_HIGH; - LCD_BL_LOW; - - -#elif defined(LCD_USE_FSMC) -#if defined(STM32F1XX) - /* FSMC setup. TODO: this only works for STM32F1 */ - rccEnableAHB(RCC_AHBENR_FSMCEN, 0); - - /* TODO: pin setup */ -#elif defined(STM32F4XX) - /* STM32F4 FSMC init */ - rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0); - - /* set pins to FSMC mode */ - IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) | - (1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0}; - - IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) | - (1 << 13) | (1 << 14) | (1 << 15), 0}; - - palSetBusMode(&busD, PAL_MODE_ALTERNATE(12)); - palSetBusMode(&busE, PAL_MODE_ALTERNATE(12)); -#else -#error "FSMC not implemented for this device" -#endif - int FSMC_Bank = 0; - /* FSMC timing */ - FSMC_Bank1->BTCR[FSMC_Bank+1] = (10) | (10 << 8) | (10 << 16); - - /* Bank1 NOR/SRAM control register configuration */ - FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN; -#endif - - lld_lcdWriteReg(0x11,0x2004); - lld_lcdWriteReg(0x13,0xCC00); - lld_lcdWriteReg(0x15,0x2600); - lld_lcdWriteReg(0x14,0x252A); - lld_lcdWriteReg(0x12,0x0033); - lld_lcdWriteReg(0x13,0xCC04); - - s6d1121_delay(1); - - lld_lcdWriteReg(0x13,0xCC06); - - s6d1121_delay(1); - - lld_lcdWriteReg(0x13,0xCC4F); - - s6d1121_delay(1); - - lld_lcdWriteReg(0x13,0x674F); - lld_lcdWriteReg(0x11,0x2003); - - s6d1121_delay(1); - - // Gamma Setting - lld_lcdWriteReg(0x30,0x2609); - lld_lcdWriteReg(0x31,0x242C); - lld_lcdWriteReg(0x32,0x1F23); - lld_lcdWriteReg(0x33,0x2425); - lld_lcdWriteReg(0x34,0x2226); - lld_lcdWriteReg(0x35,0x2523); - lld_lcdWriteReg(0x36,0x1C1A); - lld_lcdWriteReg(0x37,0x131D); - lld_lcdWriteReg(0x38,0x0B11); - lld_lcdWriteReg(0x39,0x1210); - lld_lcdWriteReg(0x3A,0x1315); - lld_lcdWriteReg(0x3B,0x3619); - lld_lcdWriteReg(0x3C,0x0D00); - lld_lcdWriteReg(0x3D,0x000D); - - lld_lcdWriteReg(0x16,0x0007); - lld_lcdWriteReg(0x02,0x0013); - lld_lcdWriteReg(0x03,0x0003); - lld_lcdWriteReg(0x01,0x0127); - - s6d1121_delay(1); - - lld_lcdWriteReg(0x08,0x0303); - lld_lcdWriteReg(0x0A,0x000B); - lld_lcdWriteReg(0x0B,0x0003); - lld_lcdWriteReg(0x0C,0x0000); - lld_lcdWriteReg(0x41,0x0000); - lld_lcdWriteReg(0x50,0x0000); - lld_lcdWriteReg(0x60,0x0005); - lld_lcdWriteReg(0x70,0x000B); - lld_lcdWriteReg(0x71,0x0000); - lld_lcdWriteReg(0x78,0x0000); - lld_lcdWriteReg(0x7A,0x0000); - lld_lcdWriteReg(0x79,0x0007); - lld_lcdWriteReg(0x07,0x0051); - - s6d1121_delay(1); - - lld_lcdWriteReg(0x07,0x0053); - lld_lcdWriteReg(0x79,0x0000); - - lld_lcdResetWindow(); -} - -void lld_lcdSetCursor(uint16_t x, uint16_t y) { - /* R20h - 8 bit - * R21h - 9 bit - */ - switch(lcdGetOrientation()) { - case portraitInv: - lld_lcdWriteReg(0x0020, (SCREEN_WIDTH-1-x) & 0x00FF); - lld_lcdWriteReg(0x0021, (SCREEN_HEIGHT-1-y) & 0x01FF); - break; - case portrait: - lld_lcdWriteReg(0x0020, x & 0x00FF); - lld_lcdWriteReg(0x0021, y & 0x01FF); - break; - case landscape: - lld_lcdWriteReg(0x0020, y & 0x00FF); - lld_lcdWriteReg(0x0021, x & 0x01FF); - break; - case landscapeInv: - lld_lcdWriteReg(0x0020, (SCREEN_WIDTH - y - 1) & 0x00FF); - lld_lcdWriteReg(0x0021, (SCREEN_HEIGHT - x - 1) & 0x01FF); - break; - } -} - -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(); - - lld_lcdResetWindow(); -} - -// Do not use now, will be fixed in future -void lld_lcdSetOrientation(uint8_t newOrientation) { - orientation = newOrientation; - - switch(orientation) { - case portrait: - lld_lcdWriteReg(0x0001,0x0127); - lld_lcdWriteReg(0x03, 0b0011); - lcd_height = SCREEN_HEIGHT; - lcd_width = SCREEN_WIDTH; - break; - case landscape: - lld_lcdWriteReg(0x0001,0x0027); - lld_lcdWriteReg(0x0003, 0b1011); - lcd_height = SCREEN_WIDTH; - lcd_width = SCREEN_HEIGHT; - break; - case portraitInv: - lld_lcdWriteReg(0x0001,0x0127); - lld_lcdWriteReg(0x0003, 0b0000); - lcd_height = SCREEN_HEIGHT; - lcd_width = SCREEN_WIDTH; - break; - case landscapeInv: - lld_lcdWriteReg(0x0001,0x0027); - lld_lcdWriteReg(0x0003, 0b1000); - lcd_height = SCREEN_WIDTH; - lcd_width = SCREEN_HEIGHT; - break; - } -} - -void lld_lcdResetWindow(void) { - switch(lcdGetOrientation()) { - case portrait: - case portraitInv: - lld_lcdSetWindow(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); - break; - case landscape: - case landscapeInv: - lld_lcdSetWindow(0, 0, SCREEN_HEIGHT, SCREEN_WIDTH); - break; - } -} - -void lld_lcdSetWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) { - /* HSA / HEA are 8 bit - * VSA / VEA are 9 bit - * use masks 0x00FF and 0x01FF to enforce this - */ - switch(lcdGetOrientation()) { - case portrait: - lld_lcdWriteReg(0x46, (((x1-1) & 0x00FF) << 8) | (x0 & 0x00FF)); - lld_lcdWriteReg(0x48, y0 & 0x01FF); - lld_lcdWriteReg(0x47, (y1-1) & 0x01FF); - break; - case landscape: - lld_lcdWriteReg(0x46, (((y1-1) & 0x00FF) << 8) | (y1 & 0x00FF)); - lld_lcdWriteReg(0x48, x0 & 0x01FF); - lld_lcdWriteReg(0x47, (x1-1) & 0x01FF); - break; - case portraitInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH-x0-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - x1) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT-y1) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT-y0-1) & 0x01FF); - break; - case landscapeInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH - y0 - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - y1) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT - x1) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT - x0 - 1) & 0x01FF); - break; - } - - lld_lcdSetCursor(x0, y0); -} - -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(); -} - -// Do not use! -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); -} - -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 */ -/* TODO: test this */ -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; - - 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(); - } - - lld_lcdResetWindow(); -} - - -#endif |