ref: 2d734d7ea8c9501e296bcd13cbecbf22396e5d5e
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****/