535 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			535 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
| /**
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|   ******************************************************************************
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|   * @file    ili9320.c
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|   * @author  MCD Application Team
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|   * @version V1.2.2
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|   * @date    02-December-2014
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|   * @brief   This file includes the LCD driver for ILI9320 LCD.
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|   ******************************************************************************
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|   * @attention
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|   *
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|   * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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|   *
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|   * Redistribution and use in source and binary forms, with or without modification,
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|   * are permitted provided that the following conditions are met:
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|   *   1. Redistributions of source code must retain the above copyright notice,
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|   *      this list of conditions and the following disclaimer.
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|   *   2. Redistributions in binary form must reproduce the above copyright notice,
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|   *      this list of conditions and the following disclaimer in the documentation
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|   *      and/or other materials provided with the distribution.
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|   *   3. Neither the name of STMicroelectronics nor the names of its contributors
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|   *      may be used to endorse or promote products derived from this software
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|   *      without specific prior written permission.
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|   *
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|   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|   *
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|   ******************************************************************************
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|   */ 
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| 
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| /* Includes ------------------------------------------------------------------*/
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| #include "ili9320.h"
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| 
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| /** @addtogroup BSP
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|   * @{
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|   */ 
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| 
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| /** @addtogroup Components
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|   * @{
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|   */ 
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|   
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| /** @addtogroup ili9320
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|   * @brief     This file provides a set of functions needed to drive the 
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|   *            ILI9320 LCD.
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|   * @{
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|   */
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| 
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| /** @defgroup ILI9320_Private_TypesDefinitions
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|   * @{
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|   */ 
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| 
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| /**
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|   * @}
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|   */ 
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| 
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| /** @defgroup ILI9320_Private_Defines
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|   * @{
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|   */
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| 
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| /**
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|   * @}
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|   */ 
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|   
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| /** @defgroup ILI9320_Private_Macros
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|   * @{
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|   */
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|      
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| /**
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|   * @}
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|   */  
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| 
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| /** @defgroup ILI9320_Private_Variables
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|   * @{
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|   */ 
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| LCD_DrvTypeDef   ili9320_drv = 
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| {
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|   ili9320_Init,
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|   ili9320_ReadID,
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|   ili9320_DisplayOn,
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|   ili9320_DisplayOff,
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|   ili9320_SetCursor,
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|   ili9320_WritePixel,
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|   ili9320_ReadPixel,
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|   ili9320_SetDisplayWindow,
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|   ili9320_DrawHLine,
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|   ili9320_DrawVLine,
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|   ili9320_GetLcdPixelWidth,
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|   ili9320_GetLcdPixelHeight,
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|   ili9320_DrawBitmap,
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|   ili9320_DrawRGBImage,  
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| };
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| 
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| static uint8_t Is_ili9320_Initialized = 0;
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| static uint16_t ArrayRGB[320] = {0};
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| 
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| /**
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|   * @}
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|   */ 
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|   
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| /** @defgroup ILI9320_Private_FunctionPrototypes
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|   * @{
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|   */
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| 
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| /**
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|   * @}
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|   */ 
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|   
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| /** @defgroup ILI9320_Private_Functions
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|   * @{
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|   */   
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| 
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| /**
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|   * @brief  Initialise the ILI9320 LCD Component.
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|   * @param  None
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|   * @retval None
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|   */
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| void ili9320_Init(void)
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| {  
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|   if(Is_ili9320_Initialized == 0)
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|   {
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|     Is_ili9320_Initialized = 1;
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|     /* Initialise ILI9320 low level bus layer --------------------------------*/
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|     LCD_IO_Init();
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|     
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|     /* Start Initial Sequence ------------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_229,0x8000); /* Set the internal vcore voltage */
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|     ili9320_WriteReg(LCD_REG_0,  0x0001); /* Start internal OSC. */
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|     ili9320_WriteReg(LCD_REG_1,  0x0100); /* set SS and SM bit */
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|     ili9320_WriteReg(LCD_REG_2,  0x0700); /* set 1 line inversion */
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|     ili9320_WriteReg(LCD_REG_3,  0x1030); /* set GRAM write direction and BGR=1. */
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|     ili9320_WriteReg(LCD_REG_4,  0x0000); /* Resize register */
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|     ili9320_WriteReg(LCD_REG_8,  0x0202); /* set the back porch and front porch */
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|     ili9320_WriteReg(LCD_REG_9,  0x0000); /* set non-display area refresh cycle ISC[3:0] */
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|     ili9320_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
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|     ili9320_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
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|     ili9320_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
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|     ili9320_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
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| 
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|     /* Power On sequence -----------------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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|     ili9320_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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|     ili9320_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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|     ili9320_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
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| 
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|     ili9320_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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|     ili9320_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
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| 
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|     ili9320_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
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| 
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|     ili9320_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
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|     ili9320_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
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| 
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|     ili9320_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
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|     ili9320_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
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| 
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|     /* Adjust the Gamma Curve ------------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_48, 0x0007);
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|     ili9320_WriteReg(LCD_REG_49, 0x0007);
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|     ili9320_WriteReg(LCD_REG_50, 0x0007);
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|     ili9320_WriteReg(LCD_REG_53, 0x0007);
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|     ili9320_WriteReg(LCD_REG_54, 0x0007);
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|     ili9320_WriteReg(LCD_REG_55, 0x0700);
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|     ili9320_WriteReg(LCD_REG_56, 0x0700);
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|     ili9320_WriteReg(LCD_REG_57, 0x0700);
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|     ili9320_WriteReg(LCD_REG_60, 0x0700);
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|     ili9320_WriteReg(LCD_REG_61, 0x1F00);
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|   
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|     /* Set GRAM area ---------------------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
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|     ili9320_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
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|     ili9320_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
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|     ili9320_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
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|     ili9320_WriteReg(LCD_REG_96,  0x2700); /* Gate Scan Line */
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|     ili9320_WriteReg(LCD_REG_97,  0x0001); /* NDL,VLE, REV */
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|     ili9320_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
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| 
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|     /* Partial Display Control -----------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_128, 0x0000);
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|     ili9320_WriteReg(LCD_REG_129, 0x0000);
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|     ili9320_WriteReg(LCD_REG_130, 0x0000);
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|     ili9320_WriteReg(LCD_REG_131, 0x0000);
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|     ili9320_WriteReg(LCD_REG_132, 0x0000);
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|     ili9320_WriteReg(LCD_REG_133, 0x0000);
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| 
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|     /* Panel Control ---------------------------------------------------------*/
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|     ili9320_WriteReg(LCD_REG_144, 0x0010);
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|     ili9320_WriteReg(LCD_REG_146, 0x0000);
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|     ili9320_WriteReg(LCD_REG_147, 0x0003);
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|     ili9320_WriteReg(LCD_REG_149, 0x0110);
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|     ili9320_WriteReg(LCD_REG_151, 0x0000);
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|     ili9320_WriteReg(LCD_REG_152, 0x0000);
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| 
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|     /* Set GRAM write direction and BGR = 1 */
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|     /* I/D=01 (Horizontal : increment, Vertical : decrement) */
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|     /* AM=1 (address is updated in vertical writing direction) */
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|     ili9320_WriteReg(LCD_REG_3, 0x1018);
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| 
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|     ili9320_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */    
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|   }
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|   
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|   /* Set the Cursor */ 
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|   ili9320_SetCursor(0, 0);
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|     
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|   /* Prepare to write GRAM */
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|   LCD_IO_WriteReg(LCD_REG_34);
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| }
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| 
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| /**
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|   * @brief  Enables the Display.
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|   * @param  None
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|   * @retval None
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|   */
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| void ili9320_DisplayOn(void)
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| {
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|   /* Power On sequence ---------------------------------------------------------*/
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|   ili9320_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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|   ili9320_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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|   ili9320_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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|   ili9320_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/
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| 
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|   ili9320_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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|   ili9320_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
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| 
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|   ili9320_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
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| 
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|   ili9320_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
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|   ili9320_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
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|  
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|   /* Display On */
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|   ili9320_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
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| }
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| 
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| /**
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|   * @brief  Disables the Display.
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|   * @param  None
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|   * @retval None
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|   */
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| void ili9320_DisplayOff(void)
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| {
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|   /* Power Off sequence ---------------------------------------------------------*/
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|   ili9320_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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|   ili9320_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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|   ili9320_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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|   ili9320_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/
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|   
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|   ili9320_WriteReg(LCD_REG_41, 0x0000); /* VCM[4:0] for VCOMH */
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|   
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|   /* Display Off */
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|   ili9320_WriteReg(LCD_REG_7, 0x0); 
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| }
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| 
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| /**
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|   * @brief  Get the LCD pixel Width.
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|   * @param  None
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|   * @retval The Lcd Pixel Width
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|   */
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| uint16_t ili9320_GetLcdPixelWidth(void)
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| {
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|  return (uint16_t)320;
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| }
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| 
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| /**
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|   * @brief  Get the LCD pixel Height.
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|   * @param  None
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|   * @retval The Lcd Pixel Height
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|   */
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| uint16_t ili9320_GetLcdPixelHeight(void)
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| {
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|  return (uint16_t)240;
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| }
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| 
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| /**
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|   * @brief  Get the ILI9320 ID.
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|   * @param  None
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|   * @retval The ILI9320 ID 
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|   */
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| uint16_t ili9320_ReadID(void)
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| {
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|   if(Is_ili9320_Initialized == 0)
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|   {
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|     ili9320_Init();  
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|   }
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|   return (ili9320_ReadReg(0x00));
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| }
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| 
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| /**
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|   * @brief  Set Cursor position.
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|   * @param  Xpos: specifies the X position.
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|   * @param  Ypos: specifies the Y position.
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|   * @retval None
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|   */
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| void ili9320_SetCursor(uint16_t Xpos, uint16_t Ypos)
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| {
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|   ili9320_WriteReg(LCD_REG_32, Ypos);
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|   ili9320_WriteReg(LCD_REG_33, (ILI9320_LCD_PIXEL_WIDTH - 1 - Xpos));      
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| }
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| 
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| /**
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|   * @brief  Write pixel.   
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|   * @param  Xpos: specifies the X position.
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|   * @param  Ypos: specifies the Y position.
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|   * @param  RGBCode: the RGB pixel color
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|   * @retval None
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|   */
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| void ili9320_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)
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| {
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|   /* Set Cursor */
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|   ili9320_SetCursor(Xpos, Ypos);
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|   
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|   /* Prepare to write GRAM */
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|   LCD_IO_WriteReg(LCD_REG_34);
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| 
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|   /* Write 16-bit GRAM Reg */
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|   LCD_IO_WriteMultipleData((uint8_t*)&RGBCode, 2);
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| }
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| 
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| /**
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|   * @brief  Read pixel.
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|   * @param  None
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|   * @retval the RGB pixel color
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|   */
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| uint16_t ili9320_ReadPixel(uint16_t Xpos, uint16_t Ypos)
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| {
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|   /* Set Cursor */
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|   ili9320_SetCursor(Xpos, Ypos);
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|   
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|   /* Prepare to write GRAM */
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|   LCD_IO_WriteReg(LCD_REG_34);
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|   
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|   /* Dummy read */
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|   LCD_IO_ReadData(0x00);
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|   
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|   /* Read 16-bit Reg */
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|   return (LCD_IO_ReadData(0x00));
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| }
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| 
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| /**
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|   * @brief  Writes to the selected LCD register.
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|   * @param  LCDReg:      address of the selected register.
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|   * @param  LCDRegValue: value to write to the selected register.
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|   * @retval None
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|   */
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| void ili9320_WriteReg(uint8_t LCDReg, uint16_t LCDRegValue)
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| {
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|   LCD_IO_WriteReg(LCDReg);
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|   
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|   /* Write 16-bit GRAM Reg */
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|   LCD_IO_WriteMultipleData((uint8_t*)&LCDRegValue, 2);
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| }
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| 
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| /**
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|   * @brief  Reads the selected LCD Register.
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|   * @param  LCDReg: address of the selected register.
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|   * @retval LCD Register Value.
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|   */
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| uint16_t ili9320_ReadReg(uint8_t LCDReg)
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| {
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|   /* Write 16-bit Index (then Read Reg) */
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|   LCD_IO_WriteReg(LCDReg);
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|   
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|   /* Read 16-bit Reg */
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|   return (LCD_IO_ReadData(0x00));
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| }
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| 
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| /**
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|   * @brief  Sets a display window
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|   * @param  Xpos:   specifies the X bottom left position.
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|   * @param  Ypos:   specifies the Y bottom left position.
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|   * @param  Height: display window height.
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|   * @param  Width:  display window width.
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|   * @retval None
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|   */
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| void ili9320_SetDisplayWindow(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
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| {
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|   /* Horizontal GRAM Start Address */
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|   ili9320_WriteReg(LCD_REG_80, (Ypos));
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|   /* Horizontal GRAM End Address */
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|   ili9320_WriteReg(LCD_REG_81, (Ypos + Height - 1));
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|   
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|   /* Vertical GRAM Start Address */
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|   ili9320_WriteReg(LCD_REG_82, ILI9320_LCD_PIXEL_WIDTH - Xpos - Width);
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|   /* Vertical GRAM End Address */
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|   ili9320_WriteReg(LCD_REG_83, ILI9320_LCD_PIXEL_WIDTH - Xpos - 1);  
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| }
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| 
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| /**
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|   * @brief  Draw vertical line.
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|   * @param  RGBCode: Specifies the RGB color   
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|   * @param  Xpos:     specifies the X position.
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|   * @param  Ypos:     specifies the Y position.
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|   * @param  Length:   specifies the Line length.  
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|   * @retval None
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|   */
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| void ili9320_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)
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| {
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|   uint16_t counter = 0;
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|   
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|   /* Set Cursor */
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|   ili9320_SetCursor(Xpos, Ypos); 
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|   
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|   /* Prepare to write GRAM */
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|   LCD_IO_WriteReg(LCD_REG_34);
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| 
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|   /* Sent a complete line */
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|   for(counter = 0; counter < Length; counter++)
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|   {
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|     ArrayRGB[counter] = RGBCode;
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|   }  
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| 
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|   LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
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| }
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| 
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| /**
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|   * @brief  Draw vertical line.
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|   * @param  RGBCode: Specifies the RGB color    
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|   * @param  Xpos:     specifies the X position.
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|   * @param  Ypos:     specifies the Y position.
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|   * @param  Length:   specifies the Line length.  
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|   * @retval None
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|   */
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| void ili9320_DrawVLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)
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| {
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|   uint16_t counter = 0;
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| 
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|   /* set GRAM write direction and BGR = 1 */
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|   /* I/D=00 (Horizontal : increment, Vertical : decrement) */
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|   /* AM=1 (address is updated in vertical writing direction) */
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|   ili9320_WriteReg(LCD_REG_3, 0x1010);
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|   
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|   /* Set Cursor */
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|   ili9320_SetCursor(Xpos, Ypos);
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|   
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|   /* Prepare to write GRAM */
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|   LCD_IO_WriteReg(LCD_REG_34);
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| 
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|   /* Fill a complete vertical line */
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|   for(counter = 0; counter < Length; counter++)
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|   {
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|     ArrayRGB[counter] = RGBCode;
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|   }
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|   
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|   LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
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|   
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|   /* set GRAM write direction and BGR = 1 */
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|   /* I/D=00 (Horizontal : increment, Vertical : decrement) */
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|   /* AM=1 (address is updated in vertical writing direction) */
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|   ili9320_WriteReg(LCD_REG_3, 0x1018);  
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| }
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| 
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| /**
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|   * @brief  Displays a bitmap picture..
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|   * @param  BmpAddress: Bmp picture address.
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|   * @param  Xpos:  Bmp X position in the LCD
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|   * @param  Ypos:  Bmp Y position in the LCD    
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|   * @retval None
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|   */
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| void ili9320_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)
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| {
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|   uint32_t index = 0, size = 0;
 | |
|   /* Read bitmap size */
 | |
|   size = *(volatile uint16_t *) (pbmp + 2);
 | |
|   size |= (*(volatile uint16_t *) (pbmp + 4)) << 16;
 | |
|   /* Get bitmap data address offset */
 | |
|   index = *(volatile uint16_t *) (pbmp + 10);
 | |
|   index |= (*(volatile uint16_t *) (pbmp + 12)) << 16;
 | |
|   size = (size - index)/2;
 | |
|   pbmp += index;
 | |
|   /* Set GRAM write direction and BGR = 1 */
 | |
|   /* I/D=00 (Horizontal : decrement, Vertical : decrement) */
 | |
|   /* AM=1 (address is updated in vertical writing direction) */
 | |
|   ili9320_WriteReg(LCD_REG_3, 0x1008);
 | |
| 
 | |
|   /* Set Cursor */
 | |
|   ili9320_SetCursor(Xpos, Ypos);  
 | |
|   
 | |
|   /* Prepare to write GRAM */
 | |
|   LCD_IO_WriteReg(LCD_REG_34);
 | |
|  
 | |
|   LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2);
 | |
| 
 | |
|   /* Set GRAM write direction and BGR = 1 */
 | |
|   /* I/D = 01 (Horizontal : increment, Vertical : decrement) */
 | |
|   /* AM = 1 (address is updated in vertical writing direction) */
 | |
|   ili9320_WriteReg(LCD_REG_3, 0x1018);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Displays picture..
 | |
|   * @param  pdata: picture address.
 | |
|   * @param  Xpos:  Image X position in the LCD
 | |
|   * @param  Ypos:  Image Y position in the LCD
 | |
|   * @param  Xsize: Image X size in the LCD
 | |
|   * @param  Ysize: Image Y size in the LCD
 | |
|   * @retval None
 | |
|   */
 | |
| void ili9320_DrawRGBImage(uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata)
 | |
| {
 | |
|   uint32_t size = 0;
 | |
| 
 | |
|   size = (Xsize * Ysize);
 | |
| 
 | |
|   /* Set Cursor */
 | |
|   ili9320_SetCursor(Xpos, Ypos);  
 | |
|   
 | |
|   /* Prepare to write GRAM */
 | |
|   LCD_IO_WriteReg(LCD_REG_34);
 | |
|  
 | |
|   LCD_IO_WriteMultipleData((uint8_t*)pdata, size*2);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */ 
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */ 
 | |
|   
 | |
| /**
 | |
|   * @}
 | |
|   */ 
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
|   
 | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 |