519 lines
15 KiB
C
519 lines
15 KiB
C
/**
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******************************************************************************
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* @file ili9325.c
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* @author MCD Application Team
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* @version V1.2.3
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* @date 03-May-2016
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* @brief This file includes the LCD driver for ILI9325 LCD.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 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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/* Includes ------------------------------------------------------------------*/
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#include "ili9325.h"
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/** @addtogroup BSP
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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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/** @addtogroup ili9325
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* @brief This file provides a set of functions needed to drive the
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* ILI9325 LCD.
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* @{
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*/
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/** @defgroup ILI9325_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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/** @defgroup ILI9325_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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/** @defgroup ILI9325_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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/** @defgroup ILI9325_Private_Variables
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* @{
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*/
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LCD_DrvTypeDef ili9325_drv =
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{
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ili9325_Init,
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ili9325_ReadID,
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ili9325_DisplayOn,
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ili9325_DisplayOff,
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ili9325_SetCursor,
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ili9325_WritePixel,
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ili9325_ReadPixel,
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ili9325_SetDisplayWindow,
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ili9325_DrawHLine,
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ili9325_DrawVLine,
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ili9325_GetLcdPixelWidth,
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ili9325_GetLcdPixelHeight,
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ili9325_DrawBitmap,
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ili9325_DrawRGBImage,
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};
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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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/** @defgroup ILI9325_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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/** @defgroup ILI9325_Private_Functions
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* @{
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*/
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/**
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* @brief Initialize the ILI9325 LCD Component.
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* @param None
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* @retval None
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*/
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void ili9325_Init(void)
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{
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/* Initialize ILI9325 low level bus layer ----------------------------------*/
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LCD_IO_Init();
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/* Start Initial Sequence --------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_0, 0x0001); /* Start internal OSC. */
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ili9325_WriteReg(LCD_REG_1, 0x0100); /* Set SS and SM bit */
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ili9325_WriteReg(LCD_REG_2, 0x0700); /* Set 1 line inversion */
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ili9325_WriteReg(LCD_REG_3, 0x1018); /* Set GRAM write direction and BGR=1. */
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ili9325_WriteReg(LCD_REG_4, 0x0000); /* Resize register */
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ili9325_WriteReg(LCD_REG_8, 0x0202); /* Set the back porch and front porch */
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ili9325_WriteReg(LCD_REG_9, 0x0000); /* Set non-display area refresh cycle ISC[3:0] */
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ili9325_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
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ili9325_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
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ili9325_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
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ili9325_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
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/* Power On sequence -------------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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ili9325_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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ili9325_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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ili9325_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
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ili9325_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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ili9325_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
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ili9325_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
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ili9325_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
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ili9325_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
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ili9325_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
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ili9325_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
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/* Adjust the Gamma Curve (ILI9325) ----------------------------------------*/
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ili9325_WriteReg(LCD_REG_48, 0x0007);
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ili9325_WriteReg(LCD_REG_49, 0x0302);
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ili9325_WriteReg(LCD_REG_50, 0x0105);
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ili9325_WriteReg(LCD_REG_53, 0x0206);
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ili9325_WriteReg(LCD_REG_54, 0x0808);
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ili9325_WriteReg(LCD_REG_55, 0x0206);
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ili9325_WriteReg(LCD_REG_56, 0x0504);
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ili9325_WriteReg(LCD_REG_57, 0x0007);
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ili9325_WriteReg(LCD_REG_60, 0x0105);
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ili9325_WriteReg(LCD_REG_61, 0x0808);
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/* Set GRAM area -----------------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
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ili9325_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
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ili9325_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
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ili9325_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
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ili9325_WriteReg(LCD_REG_96, 0xA700); /* Gate Scan Line(GS=1, scan direction is G320~G1) */
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ili9325_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
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ili9325_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
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/* Partial Display Control -------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_128, 0x0000);
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ili9325_WriteReg(LCD_REG_129, 0x0000);
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ili9325_WriteReg(LCD_REG_130, 0x0000);
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ili9325_WriteReg(LCD_REG_131, 0x0000);
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ili9325_WriteReg(LCD_REG_132, 0x0000);
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ili9325_WriteReg(LCD_REG_133, 0x0000);
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/* Panel Control -----------------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_144, 0x0010);
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ili9325_WriteReg(LCD_REG_146, 0x0000);
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ili9325_WriteReg(LCD_REG_147, 0x0003);
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ili9325_WriteReg(LCD_REG_149, 0x0110);
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ili9325_WriteReg(LCD_REG_151, 0x0000);
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ili9325_WriteReg(LCD_REG_152, 0x0000);
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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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ili9325_WriteReg(LCD_REG_3, 0x1018);
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/* 262K color and display ON */
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ili9325_WriteReg(LCD_REG_7, 0x0173);
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/* Set the Cursor */
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ili9325_SetCursor(0, 0);
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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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* @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 ili9325_DisplayOn(void)
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{
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/* Power On sequence -------------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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ili9325_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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ili9325_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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ili9325_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/
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ili9325_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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ili9325_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
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ili9325_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
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ili9325_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
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ili9325_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
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/* Display On */
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ili9325_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
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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 ili9325_DisplayOff(void)
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{
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/* Power Off sequence ------------------------------------------------------*/
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ili9325_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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ili9325_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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ili9325_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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ili9325_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/
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ili9325_WriteReg(LCD_REG_41, 0x0000); /* VCM[4:0] for VCOMH */
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/* Display Off */
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ili9325_WriteReg(LCD_REG_7, 0x0);
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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 ili9325_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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* @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 ili9325_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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* @brief Get the ILI9325 ID.
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* @param None
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* @retval The ILI9325 ID
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*/
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uint16_t ili9325_ReadID(void)
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{
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LCD_IO_Init();
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return (ili9325_ReadReg(0x00));
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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 ili9325_SetCursor(uint16_t Xpos, uint16_t Ypos)
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{
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ili9325_WriteReg(LCD_REG_32, Ypos);
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ili9325_WriteReg(LCD_REG_33, (ILI9325_LCD_PIXEL_WIDTH - 1 - Xpos));
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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 ili9325_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)
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{
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/* Set Cursor */
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ili9325_SetCursor(Xpos, Ypos);
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/* Prepare to write GRAM */
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LCD_IO_WriteReg(LCD_REG_34);
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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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* @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 ili9325_ReadPixel(uint16_t Xpos, uint16_t Ypos)
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{
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/* Set Cursor */
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ili9325_SetCursor(Xpos, Ypos);
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/* Read 16-bit Reg */
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return (LCD_IO_ReadData(LCD_REG_34));
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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 ili9325_WriteReg(uint8_t LCDReg, uint16_t LCDRegValue)
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{
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LCD_IO_WriteReg(LCDReg);
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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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* @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 ili9325_ReadReg(uint8_t LCDReg)
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{
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/* Read 16-bit Reg */
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return (LCD_IO_ReadData(LCDReg));
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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 ili9325_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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ili9325_WriteReg(LCD_REG_80, (Ypos));
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/* Horizontal GRAM End Address */
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ili9325_WriteReg(LCD_REG_81, (Ypos + Height - 1));
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/* Vertical GRAM Start Address */
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ili9325_WriteReg(LCD_REG_82, ILI9325_LCD_PIXEL_WIDTH - Xpos - Width);
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/* Vertical GRAM End Address */
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ili9325_WriteReg(LCD_REG_83, ILI9325_LCD_PIXEL_WIDTH - Xpos - 1);
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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 ili9325_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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/* Set Cursor */
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ili9325_SetCursor(Xpos, Ypos);
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/* Prepare to write GRAM */
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LCD_IO_WriteReg(LCD_REG_34);
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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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LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
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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 ili9325_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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/* 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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ili9325_WriteReg(LCD_REG_3, 0x1010);
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/* Set Cursor */
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ili9325_SetCursor(Xpos, Ypos);
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/* Prepare to write GRAM */
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LCD_IO_WriteReg(LCD_REG_34);
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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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/* Write 16-bit GRAM Reg */
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LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
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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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ili9325_WriteReg(LCD_REG_3, 0x1018);
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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 ili9325_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)
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{
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uint32_t index = 0, size = 0;
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/* Read bitmap size */
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size = *(volatile uint16_t *) (pbmp + 2);
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size |= (*(volatile uint16_t *) (pbmp + 4)) << 16;
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/* Get bitmap data address offset */
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index = *(volatile uint16_t *) (pbmp + 10);
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index |= (*(volatile uint16_t *) (pbmp + 12)) << 16;
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size = (size - index)/2;
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pbmp += index;
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/* Set GRAM write direction and BGR = 1 */
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/* I/D=00 (Horizontal : decrement, Vertical : decrement) */
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/* AM=1 (address is updated in vertical writing direction) */
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ili9325_WriteReg(LCD_REG_3, 0x1008);
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/* Set Cursor */
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ili9325_SetCursor(Xpos, Ypos);
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/* Prepare to write GRAM */
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LCD_IO_WriteReg(LCD_REG_34);
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LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2);
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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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ili9325_WriteReg(LCD_REG_3, 0x1018);
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}
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|
|
|
/**
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* @brief Displays picture.
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* @param pdata: picture address.
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* @param Xpos: Image X position in the LCD
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* @param Ypos: Image Y position in the LCD
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|
* @param Xsize: Image X size in the LCD
|
|
* @param Ysize: Image Y size in the LCD
|
|
* @retval None
|
|
*/
|
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void ili9325_DrawRGBImage(uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata)
|
|
{
|
|
uint32_t size = 0;
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|
|
|
size = (Xsize * Ysize);
|
|
|
|
/* Set Cursor */
|
|
ili9325_SetCursor(Xpos, Ypos);
|
|
|
|
/* Prepare to write GRAM */
|
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LCD_IO_WriteReg(LCD_REG_34);
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|
|
|
LCD_IO_WriteMultipleData((uint8_t*)pdata, size*2);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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