ref: 5a045db8d5f5f89a707a667c134919fe7f0608ff
dir: /demos/stm32f429_disco/stm/stm32f429/ili9341.c/
/** ****************************************************************************** * @file ili9341.c * @author MCD Application Team * @version V1.0.0 * @date 18-February-2014 * @brief This file includes the LCD driver for ILI9341 LCD. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "ili9341.h" /** @addtogroup BSP * @{ */ /** @addtogroup Component * @{ */ /** @addtogroup ili9341 * @brief This file provides a set of functions needed to drive the * ILI9341 LCD. * @{ */ /** @defgroup ILI9341_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup ILI9341_Private_Defines * @{ */ /** * @} */ /** @defgroup ILI9341_Private_Macros * @{ */ /** * @} */ /** @defgroup ILI9341_Private_Variables * @{ */ LCD_DrvTypeDef ili9341_drv = { ili9341_Init, ili9341_ReadID, ili9341_DisplayOn, ili9341_DisplayOff, 0, 0, 0, 0, 0, 0, ili9341_GetLcdPixelWidth, ili9341_GetLcdPixelHeight, 0, 0, }; static uint8_t Is_ili9341_Initialized = 0; /** * @} */ /** @defgroup ILI9341_Private_FunctionPrototypes * @{ */ /** * @} */ /** @defgroup ILI9341_Private_Functions * @{ */ /** * @brief Power on the LCD. * @param None * @retval None */ void ili9341_Init(void) { if(Is_ili9341_Initialized == 0) { Is_ili9341_Initialized = 1; /* Initialise ILI9341 low level bus layer --------------------------------*/ LCD_IO_Init(); /*Configure LCD*/ ili9341_WriteReg(0xCA); ili9341_WriteData(0xC3); ili9341_WriteData(0x08); ili9341_WriteData(0x50); ili9341_WriteReg(LCD_POWERB); ili9341_WriteData(0x00); ili9341_WriteData(0xC1); ili9341_WriteData(0x30); ili9341_WriteReg(LCD_POWER_SEQ); ili9341_WriteData(0x64); ili9341_WriteData(0x03); ili9341_WriteData(0x12); ili9341_WriteData(0x81); ili9341_WriteReg(LCD_DTCA); ili9341_WriteData(0x85); ili9341_WriteData(0x00); ili9341_WriteData(0x78); ili9341_WriteReg(LCD_POWERA); ili9341_WriteData(0x39); ili9341_WriteData(0x2C); ili9341_WriteData(0x00); ili9341_WriteData(0x34); ili9341_WriteData(0x02); ili9341_WriteReg(LCD_PRC); ili9341_WriteData(0x20); ili9341_WriteReg(LCD_DTCB); ili9341_WriteData(0x00); ili9341_WriteData(0x00); ili9341_WriteReg(LCD_FRMCTR1); ili9341_WriteData(0x00); ili9341_WriteData(0x1B); ili9341_WriteReg(LCD_DFC); ili9341_WriteData(0x0A); ili9341_WriteData(0xA2); ili9341_WriteReg(LCD_POWER1); ili9341_WriteData(0x10); ili9341_WriteReg(LCD_POWER2); ili9341_WriteData(0x10); ili9341_WriteReg(LCD_VCOM1); ili9341_WriteData(0x45); ili9341_WriteData(0x15); ili9341_WriteReg(LCD_VCOM2); ili9341_WriteData(0x90); ili9341_WriteReg(LCD_MAC); ili9341_WriteData(0xC8); ili9341_WriteReg(LCD_3GAMMA_EN); ili9341_WriteData(0x00); ili9341_WriteReg(LCD_RGB_INTERFACE); ili9341_WriteData(0xC2); ili9341_WriteReg(LCD_DFC); ili9341_WriteData(0x0A); ili9341_WriteData(0xA7); ili9341_WriteData(0x27); ili9341_WriteData(0x04); /* colomn address set */ ili9341_WriteReg(LCD_COLUMN_ADDR); ili9341_WriteData(0x00); ili9341_WriteData(0x00); ili9341_WriteData(0x00); ili9341_WriteData(0xEF); /* Page Address Set */ ili9341_WriteReg(LCD_PAGE_ADDR); ili9341_WriteData(0x00); ili9341_WriteData(0x00); ili9341_WriteData(0x01); ili9341_WriteData(0x3F); ili9341_WriteReg(LCD_INTERFACE); ili9341_WriteData(0x01); ili9341_WriteData(0x00); ili9341_WriteData(0x06); ili9341_WriteReg(LCD_GRAM); LCD_Delay(200); ili9341_WriteReg(LCD_GAMMA); ili9341_WriteData(0x01); ili9341_WriteReg(LCD_PGAMMA); ili9341_WriteData(0x0F); ili9341_WriteData(0x29); ili9341_WriteData(0x24); ili9341_WriteData(0x0C); ili9341_WriteData(0x0E); ili9341_WriteData(0x09); ili9341_WriteData(0x4E); ili9341_WriteData(0x78); ili9341_WriteData(0x3C); ili9341_WriteData(0x09); ili9341_WriteData(0x13); ili9341_WriteData(0x05); ili9341_WriteData(0x17); ili9341_WriteData(0x11); ili9341_WriteData(0x00); ili9341_WriteReg(LCD_NGAMMA); ili9341_WriteData(0x00); ili9341_WriteData(0x16); ili9341_WriteData(0x1B); ili9341_WriteData(0x04); ili9341_WriteData(0x11); ili9341_WriteData(0x07); ili9341_WriteData(0x31); ili9341_WriteData(0x33); ili9341_WriteData(0x42); ili9341_WriteData(0x05); ili9341_WriteData(0x0C); ili9341_WriteData(0x0A); ili9341_WriteData(0x28); ili9341_WriteData(0x2F); ili9341_WriteData(0x0F); ili9341_WriteReg(LCD_SLEEP_OUT); LCD_Delay(200); ili9341_WriteReg(LCD_DISPLAY_ON); /* GRAM start writing */ ili9341_WriteReg(LCD_GRAM); } } /** * @brief Disables the Display. * @param None * @retval LCD Register Value. */ uint16_t ili9341_ReadID(void) { if(Is_ili9341_Initialized == 0) { ili9341_Init(); } return ((uint16_t)ili9341_ReadData(LCD_READ_ID4, LCD_READ_ID4_SIZE)); } /** * @brief Enables the Display. * @param None * @retval None */ void ili9341_DisplayOn(void) { /* Display On */ ili9341_WriteReg(LCD_DISPLAY_ON); } /** * @brief Disables the Display. * @param None * @retval None */ void ili9341_DisplayOff(void) { /* Display Off */ ili9341_WriteReg(LCD_DISPLAY_OFF); } /** * @brief Writes to the selected LCD register. * @param LCD_Reg: address of the selected register. * @retval None */ void ili9341_WriteReg(uint8_t LCD_Reg) { LCD_IO_WriteReg(LCD_Reg); } /** * @brief Writes data to the selected LCD register. * @param LCD_Reg: address of the selected register. * @retval None */ void ili9341_WriteData(uint16_t RegValue) { LCD_IO_WriteData(RegValue); } /** * @brief Reads the selected LCD Register. * @param RegValue Address of the register to read * @param ReadSize Number of bytes to read * @retval LCD Register Value. */ uint32_t ili9341_ReadData(uint16_t RegValue, uint8_t ReadSize) { /* Read a max of 4 bytes */ return (LCD_IO_ReadData(RegValue, ReadSize)); } /** * @brief Get LCD PIXEL WIDTH. * @param None * @retval LCD PIXEL WIDTH. */ uint16_t ili9341_GetLcdPixelWidth(void) { /* Return LCD PIXEL WIDTH */ return ILI9341_LCD_PIXEL_WIDTH; } /** * @brief Get LCD PIXEL HEIGHT. * @param None * @retval LCD PIXEL HEIGHT. */ uint16_t ili9341_GetLcdPixelHeight(void) { /* Return LCD PIXEL HEIGHT */ return ILI9341_LCD_PIXEL_HEIGHT; } /** * @} */ /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/