From 34075031de2dd0695e0e239c1dad0429fcc3e2f1 Mon Sep 17 00:00:00 2001 From: Andrew Hannam Date: Mon, 6 Aug 2012 11:30:02 +1000 Subject: Backport GDISP low level drivers to GLCD see GLCD/readme.txt --- halext/drivers/gdispS6d1121/s6d1121_lld.c.h | 735 +++++++++------------------- 1 file changed, 244 insertions(+), 491 deletions(-) (limited to 'halext/drivers/gdispS6d1121') diff --git a/halext/drivers/gdispS6d1121/s6d1121_lld.c.h b/halext/drivers/gdispS6d1121/s6d1121_lld.c.h index bc929660..c1539fe7 100644 --- a/halext/drivers/gdispS6d1121/s6d1121_lld.c.h +++ b/halext/drivers/gdispS6d1121/s6d1121_lld.c.h @@ -1,491 +1,244 @@ -<<<<<<< HEAD -/* - ChibiOS/RT - Copyright (C) 2012 - Joel Bodenmann aka Tectu - - 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 . -*/ - -#ifndef S6D1121_H -#define S6D1121_H - -// I/O assignments -#define LCD_BL_GPIO GPIOB -#define LCD_BL_PIN 8 - -#define LCD_CS_GPIO GPIOD -#define LCD_CS_PIN 7 - -#define LCD_RS_GPIO GPIOD -#define LCD_RS_PIN 11 - -#define LCD_RST_GPIO GPIOD -#define LCD_RST_PIN 10 - -#define LCD_RD_GPIO GPIOD -#define LCD_RD_PIN 9 - -#define LCD_WR_GPIO GPIOD -#define LCD_WR_PIN 8 - -#define LCD_D0_GPIO GPIOD -#define LCD_D4_GPIO GPIOE - -/* 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)); - -#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; - #endif - #ifndef STM32F4XX - // change pin mode back to digital output - LCD_DATA_PORT->CRH = 0x33333333; - LCD_DATA_PORT->CRL = 0x33333333; - #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; - } - static void lld_lcdWriteIndex(uint16_t lcdReg) { - LCD_RS_LOW; - lld_lcdwrite(lcdReg); - LCD_RS_HIGH; - } - static void lld_lcdWriteData(uint16_t lcdData) { - lld_lcdwrite(lcdData); - } - static 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; - } - static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { - uint16_t i; - - for(i = 0; i < size; i++) { lld_lcdwrite(buffer[i]); } - } - static __inline void lld_lcdReadStreamStart(void) { /* TODO */ } - static __inline void lld_lcdReadStreamStop(void) { /* TODO */ } - static __inline void lld_lcdReadStream(uint16_t *UNUSED(buffer), size_t UNUSED(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; - } - 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; - - /* throw away first value read */ - dummy = LCD_RAM; - for(i = 0; i < size; i++) buffer[i] = LCD_RAM; - } - -#elif defined(LCD_USE_SPI) - #error "gdispS6d1121: LCD_USE_SPI not implemented yet" - -#else - #error "gdispS6d1121: No known LCD_USE_XXX has been defined" -#endif - -static void lld_lcdSetCursor(coord_t x, coord_t y) { - /* R20h - 8 bit - * R21h - 9 bit - */ - switch(GDISP.Orientation) { - 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; - } -} - -static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) { - /* HSA / HEA are 8 bit - * VSA / VEA are 9 bit - * use masks 0x00FF and 0x01FF to enforce this - */ - - switch(GDISP.Orientation) { - case portrait: - lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); - lld_lcdWriteReg(0x48, y & 0x01FF); - lld_lcdWriteReg(0x47, (y+cy-1) & 0x01FF); - break; - case landscape: - lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00) | ((y+cy) & 0x00FF)); - lld_lcdWriteReg(0x48, x & 0x01FF); - lld_lcdWriteReg(0x47, (x+cx-1) & 0x01FF); - break; - case portraitInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (x+cx)) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT-(y+cy)) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT-y-1) & 0x01FF); - break; - case landscapeInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (y+cy)) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT - (x+cx)) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT - x - 1) & 0x01FF); - break; - } - - lld_lcdSetCursor(x, y); -} - -static void lld_lcdResetViewPort(void) { - switch(GDISP.Orientation) { - case portrait: - case portraitInv: - lld_lcdSetViewPort(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); - break; - case landscape: - case landscapeInv: - lld_lcdSetViewPort(0, 0, SCREEN_HEIGHT, SCREEN_WIDTH); - break; - } -} - -#endif /* S6D1121_H */ -======= -/* - ChibiOS/RT - Copyright (C) 2012 - Joel Bodenmann aka Tectu - - 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 . -*/ - -#ifndef S6D1121_H -#define S6D1121_H - -// I/O assignments -#define LCD_BL_GPIO GPIOB -#define LCD_BL_PIN 8 - -#define LCD_CS_GPIO GPIOD -#define LCD_CS_PIN 7 - -#define LCD_RS_GPIO GPIOD -#define LCD_RS_PIN 11 - -#define LCD_RST_GPIO GPIOD -#define LCD_RST_PIN 10 - -#define LCD_RD_GPIO GPIOD -#define LCD_RD_PIN 9 - -#define LCD_WR_GPIO GPIOD -#define LCD_WR_PIN 8 - -#define LCD_D0_GPIO GPIOD -#define LCD_D4_GPIO GPIOE - -/* 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)); - -#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; - #endif - #ifndef STM32F4XX - // change pin mode back to digital output - LCD_DATA_PORT->CRH = 0x33333333; - LCD_DATA_PORT->CRL = 0x33333333; - #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; - } - static void lld_lcdWriteIndex(uint16_t lcdReg) { - LCD_RS_LOW; - lld_lcdwrite(lcdReg); - LCD_RS_HIGH; - } - static void lld_lcdWriteData(uint16_t lcdData) { - lld_lcdwrite(lcdData); - } - static 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; - } - static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { - uint16_t i; - - for(i = 0; i < size; i++) { lld_lcdwrite(buffer[i]); } - } - static __inline void lld_lcdReadStreamStart(void) { /* TODO */ } - static __inline void lld_lcdReadStreamStop(void) { /* TODO */ } - static __inline void lld_lcdReadStream(uint16_t *UNUSED(buffer), size_t UNUSED(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; - } - 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; - - /* throw away first value read */ - dummy = LCD_RAM; - for(i = 0; i < size; i++) buffer[i] = LCD_RAM; - } - -#elif defined(LCD_USE_SPI) - #error "gdispS6d1121: LCD_USE_SPI not implemented yet" - -#else - #error "gdispS6d1121: No known LCD_USE_XXX has been defined" -#endif - -static void lld_lcdSetCursor(coord_t x, coord_t y) { - /* R20h - 8 bit - * R21h - 9 bit - */ - switch(GDISP.Orientation) { - 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; - } -} - -static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) { - /* HSA / HEA are 8 bit - * VSA / VEA are 9 bit - * use masks 0x00FF and 0x01FF to enforce this - */ - - switch(GDISP.Orientation) { - case portrait: - lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); - lld_lcdWriteReg(0x48, y & 0x01FF); - lld_lcdWriteReg(0x47, (y+cy-1) & 0x01FF); - break; - case landscape: - lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00) | ((y+cy) & 0x00FF)); - lld_lcdWriteReg(0x48, x & 0x01FF); - lld_lcdWriteReg(0x47, (x+cx-1) & 0x01FF); - break; - case portraitInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (x+cx)) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT-(y+cy)) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT-y-1) & 0x01FF); - break; - case landscapeInv: - lld_lcdWriteReg(0x46, (((SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (y+cy)) & 0x00FF)); - lld_lcdWriteReg(0x48, (SCREEN_HEIGHT - (x+cx)) & 0x01FF); - lld_lcdWriteReg(0x47, (SCREEN_HEIGHT - x - 1) & 0x01FF); - break; - } - - lld_lcdSetCursor(x, y); -} - -static void lld_lcdResetViewPort(void) { - switch(GDISP.Orientation) { - case portrait: - case portraitInv: - lld_lcdSetViewPort(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); - break; - case landscape: - case landscapeInv: - lld_lcdSetViewPort(0, 0, SCREEN_HEIGHT, SCREEN_WIDTH); - break; - } -} - -#endif /* S6D1121_H */ ->>>>>>> d61cff7a7976cd9097e5c3634ae4b1be64f736c3 +/* + ChibiOS/RT - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + 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 . +*/ + +#ifndef S6D1121_H +#define S6D1121_H + +// I/O assignments +#define LCD_BL_GPIO GPIOB +#define LCD_BL_PIN 8 + +#define LCD_CS_GPIO GPIOD +#define LCD_CS_PIN 7 + +#define LCD_RS_GPIO GPIOD +#define LCD_RS_PIN 11 + +#define LCD_RST_GPIO GPIOD +#define LCD_RST_PIN 10 + +#define LCD_RD_GPIO GPIOD +#define LCD_RD_PIN 9 + +#define LCD_WR_GPIO GPIOD +#define LCD_WR_PIN 8 + +#define LCD_D0_GPIO GPIOD +#define LCD_D4_GPIO GPIOE + +/* 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)); + +#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; + #endif + #ifndef STM32F4XX + // change pin mode back to digital output + LCD_DATA_PORT->CRH = 0x33333333; + LCD_DATA_PORT->CRL = 0x33333333; + #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; + } + static void lld_lcdWriteIndex(uint16_t lcdReg) { + LCD_RS_LOW; + lld_lcdwrite(lcdReg); + LCD_RS_HIGH; + } + static void lld_lcdWriteData(uint16_t lcdData) { + lld_lcdwrite(lcdData); + } + static 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; + } + static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { + uint16_t i; + + for(i = 0; i < size; i++) { lld_lcdwrite(buffer[i]); } + } + static __inline void lld_lcdReadStreamStart(void) { /* TODO */ } + static __inline void lld_lcdReadStreamStop(void) { /* TODO */ } + static __inline void lld_lcdReadStream(uint16_t *UNUSED(buffer), size_t UNUSED(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; + } + 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; + + /* throw away first value read */ + dummy = LCD_RAM; + for(i = 0; i < size; i++) buffer[i] = LCD_RAM; + } + +#elif defined(LCD_USE_SPI) + #error "gdispS6d1121: LCD_USE_SPI not implemented yet" + +#else + #error "gdispS6d1121: No known LCD_USE_XXX has been defined" +#endif + +static void lld_lcdSetCursor(coord_t x, coord_t y) { + /* R20h - 8 bit + * R21h - 9 bit + */ + switch(GDISP.Orientation) { + 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; + } +} + +static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) { + /* HSA / HEA are 8 bit + * VSA / VEA are 9 bit + * use masks 0x00FF and 0x01FF to enforce this + */ + + switch(GDISP.Orientation) { + case portrait: + lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); + lld_lcdWriteReg(0x48, y & 0x01FF); + lld_lcdWriteReg(0x47, (y+cy-1) & 0x01FF); + break; + case landscape: + lld_lcdWriteReg(0x46, (((x+cx-1) << 8) & 0xFF00) | ((y+cy) & 0x00FF)); + lld_lcdWriteReg(0x48, x & 0x01FF); + lld_lcdWriteReg(0x47, (x+cx-1) & 0x01FF); + break; + case portraitInv: + lld_lcdWriteReg(0x46, (((SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (x+cx)) & 0x00FF)); + lld_lcdWriteReg(0x48, (SCREEN_HEIGHT-(y+cy)) & 0x01FF); + lld_lcdWriteReg(0x47, (SCREEN_HEIGHT-y-1) & 0x01FF); + break; + case landscapeInv: + lld_lcdWriteReg(0x46, (((SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (y+cy)) & 0x00FF)); + lld_lcdWriteReg(0x48, (SCREEN_HEIGHT - (x+cx)) & 0x01FF); + lld_lcdWriteReg(0x47, (SCREEN_HEIGHT - x - 1) & 0x01FF); + break; + } + + lld_lcdSetCursor(x, y); +} + +static void lld_lcdResetViewPort(void) { + switch(GDISP.Orientation) { + case portrait: + case portraitInv: + lld_lcdSetViewPort(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); + break; + case landscape: + case landscapeInv: + lld_lcdSetViewPort(0, 0, SCREEN_HEIGHT, SCREEN_WIDTH); + break; + } +} + +#endif /* S6D1121_H */ -- cgit v1.2.3