ili9341.c

00001 /**
00002   ******************************************************************************
00003   * @file    ili9341.c
00004   * @author  MCD Application Team
00005   * @version V1.0.2
00006   * @date    02-December-2014
00007   * @brief   This file includes the LCD driver for ILI9341 LCD.
00008   ******************************************************************************
00009   * @attention
00010   *
00011   * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
00012   *
00013   * Redistribution and use in source and binary forms, with or without modification,
00014   * are permitted provided that the following conditions are met:
00015   *   1. Redistributions of source code must retain the above copyright notice,
00016   *      this list of conditions and the following disclaimer.
00017   *   2. Redistributions in binary form must reproduce the above copyright notice,
00018   *      this list of conditions and the following disclaimer in the documentation
00019   *      and/or other materials provided with the distribution.
00020   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021   *      may be used to endorse or promote products derived from this software
00022   *      without specific prior written permission.
00023   *
00024   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034   *
00035   ******************************************************************************
00036   */ 
00037 
00038 /* Includes ------------------------------------------------------------------*/
00039 #include "ili9341.h"
00040 
00041 /** @addtogroup BSP
00042   * @{
00043   */ 
00044 
00045 /** @addtogroup Components
00046   * @{
00047   */ 
00048   
00049 /** @addtogroup ILI9341
00050   * @brief This file provides a set of functions needed to drive the 
00051   *        ILI9341 LCD.
00052   * @{
00053   */
00054 
00055 /** @defgroup ILI9341_Private_TypesDefinitions
00056   * @{
00057   */ 
00058 /**
00059   * @}
00060   */ 
00061 
00062 /** @defgroup ILI9341_Private_Defines
00063   * @{
00064   */
00065 /**
00066   * @}
00067   */ 
00068   
00069 /** @defgroup ILI9341_Private_Macros
00070   * @{
00071   */
00072 /**
00073   * @}
00074   */  
00075 
00076 /** @defgroup ILI9341_Private_Variables
00077   * @{
00078   */ 
00079 
00080 LCD_DrvTypeDef   ili9341_drv = 
00081 {
00082   ili9341_Init,
00083   ili9341_ReadID,
00084   ili9341_DisplayOn,
00085   ili9341_DisplayOff,
00086   0,
00087   0,
00088   0,
00089   0,
00090   0,
00091   0,
00092   ili9341_GetLcdPixelWidth,
00093   ili9341_GetLcdPixelHeight,
00094   0,
00095   0,    
00096 };
00097 
00098 /**
00099   * @}
00100   */ 
00101   
00102 /** @defgroup ILI9341_Private_FunctionPrototypes
00103   * @{
00104   */
00105 
00106 /**
00107   * @}
00108   */ 
00109   
00110 /** @defgroup ILI9341_Private_Functions
00111   * @{
00112   */   
00113 
00114 /**
00115   * @brief  Power on the LCD.
00116   * @param  None
00117   * @retval None
00118   */
00119 void ili9341_Init(void)
00120 {
00121   /* Initialize ILI9341 low level bus layer ----------------------------------*/
00122   LCD_IO_Init();
00123   
00124   /* Configure LCD */
00125   ili9341_WriteReg(0xCA);
00126   ili9341_WriteData(0xC3);
00127   ili9341_WriteData(0x08);
00128   ili9341_WriteData(0x50);
00129   ili9341_WriteReg(LCD_POWERB);
00130   ili9341_WriteData(0x00);
00131   ili9341_WriteData(0xC1);
00132   ili9341_WriteData(0x30);
00133   ili9341_WriteReg(LCD_POWER_SEQ);
00134   ili9341_WriteData(0x64);
00135   ili9341_WriteData(0x03);
00136   ili9341_WriteData(0x12);
00137   ili9341_WriteData(0x81);
00138   ili9341_WriteReg(LCD_DTCA);
00139   ili9341_WriteData(0x85);
00140   ili9341_WriteData(0x00);
00141   ili9341_WriteData(0x78);
00142   ili9341_WriteReg(LCD_POWERA);
00143   ili9341_WriteData(0x39);
00144   ili9341_WriteData(0x2C);
00145   ili9341_WriteData(0x00);
00146   ili9341_WriteData(0x34);
00147   ili9341_WriteData(0x02);
00148   ili9341_WriteReg(LCD_PRC);
00149   ili9341_WriteData(0x20);
00150   ili9341_WriteReg(LCD_DTCB);
00151   ili9341_WriteData(0x00);
00152   ili9341_WriteData(0x00);
00153   ili9341_WriteReg(LCD_FRMCTR1);
00154   ili9341_WriteData(0x00);
00155   ili9341_WriteData(0x1B);
00156   ili9341_WriteReg(LCD_DFC);
00157   ili9341_WriteData(0x0A);
00158   ili9341_WriteData(0xA2);
00159   ili9341_WriteReg(LCD_POWER1);
00160   ili9341_WriteData(0x10);
00161   ili9341_WriteReg(LCD_POWER2);
00162   ili9341_WriteData(0x10);
00163   ili9341_WriteReg(LCD_VCOM1);
00164   ili9341_WriteData(0x45);
00165   ili9341_WriteData(0x15);
00166   ili9341_WriteReg(LCD_VCOM2);
00167   ili9341_WriteData(0x90);
00168   ili9341_WriteReg(LCD_MAC);
00169   ili9341_WriteData(0xC8);
00170   ili9341_WriteReg(LCD_3GAMMA_EN);
00171   ili9341_WriteData(0x00);
00172   ili9341_WriteReg(LCD_RGB_INTERFACE);
00173   ili9341_WriteData(0xC2);
00174   ili9341_WriteReg(LCD_DFC);
00175   ili9341_WriteData(0x0A);
00176   ili9341_WriteData(0xA7);
00177   ili9341_WriteData(0x27);
00178   ili9341_WriteData(0x04);
00179   
00180   /* Colomn address set */
00181   ili9341_WriteReg(LCD_COLUMN_ADDR);
00182   ili9341_WriteData(0x00);
00183   ili9341_WriteData(0x00);
00184   ili9341_WriteData(0x00);
00185   ili9341_WriteData(0xEF);
00186   /* Page address set */
00187   ili9341_WriteReg(LCD_PAGE_ADDR);
00188   ili9341_WriteData(0x00);
00189   ili9341_WriteData(0x00);
00190   ili9341_WriteData(0x01);
00191   ili9341_WriteData(0x3F);
00192   ili9341_WriteReg(LCD_INTERFACE);
00193   ili9341_WriteData(0x01);
00194   ili9341_WriteData(0x00);
00195   ili9341_WriteData(0x06);
00196   
00197   ili9341_WriteReg(LCD_GRAM);
00198   LCD_Delay(200);
00199   
00200   ili9341_WriteReg(LCD_GAMMA);
00201   ili9341_WriteData(0x01);
00202   
00203   ili9341_WriteReg(LCD_PGAMMA);
00204   ili9341_WriteData(0x0F);
00205   ili9341_WriteData(0x29);
00206   ili9341_WriteData(0x24);
00207   ili9341_WriteData(0x0C);
00208   ili9341_WriteData(0x0E);
00209   ili9341_WriteData(0x09);
00210   ili9341_WriteData(0x4E);
00211   ili9341_WriteData(0x78);
00212   ili9341_WriteData(0x3C);
00213   ili9341_WriteData(0x09);
00214   ili9341_WriteData(0x13);
00215   ili9341_WriteData(0x05);
00216   ili9341_WriteData(0x17);
00217   ili9341_WriteData(0x11);
00218   ili9341_WriteData(0x00);
00219   ili9341_WriteReg(LCD_NGAMMA);
00220   ili9341_WriteData(0x00);
00221   ili9341_WriteData(0x16);
00222   ili9341_WriteData(0x1B);
00223   ili9341_WriteData(0x04);
00224   ili9341_WriteData(0x11);
00225   ili9341_WriteData(0x07);
00226   ili9341_WriteData(0x31);
00227   ili9341_WriteData(0x33);
00228   ili9341_WriteData(0x42);
00229   ili9341_WriteData(0x05);
00230   ili9341_WriteData(0x0C);
00231   ili9341_WriteData(0x0A);
00232   ili9341_WriteData(0x28);
00233   ili9341_WriteData(0x2F);
00234   ili9341_WriteData(0x0F);
00235   
00236   ili9341_WriteReg(LCD_SLEEP_OUT);
00237   LCD_Delay(200);
00238   ili9341_WriteReg(LCD_DISPLAY_ON);
00239   /* GRAM start writing */
00240   ili9341_WriteReg(LCD_GRAM);
00241 }
00242 
00243 /**
00244   * @brief  Disables the Display.
00245   * @param  None
00246   * @retval LCD Register Value.
00247   */
00248 uint16_t ili9341_ReadID(void)
00249 {
00250   LCD_IO_Init();
00251   return ((uint16_t)ili9341_ReadData(LCD_READ_ID4, LCD_READ_ID4_SIZE));
00252 }
00253 
00254 /**
00255   * @brief  Enables the Display.
00256   * @param  None
00257   * @retval None
00258   */
00259 void ili9341_DisplayOn(void)
00260 {
00261   /* Display On */
00262   ili9341_WriteReg(LCD_DISPLAY_ON);
00263 }
00264 
00265 /**
00266   * @brief  Disables the Display.
00267   * @param  None
00268   * @retval None
00269   */
00270 void ili9341_DisplayOff(void)
00271 {
00272   /* Display Off */
00273   ili9341_WriteReg(LCD_DISPLAY_OFF);
00274 }
00275 
00276 /**
00277   * @brief  Writes  to the selected LCD register.
00278   * @param  LCD_Reg: address of the selected register.
00279   * @retval None
00280   */
00281 void ili9341_WriteReg(uint8_t LCD_Reg)
00282 {
00283   LCD_IO_WriteReg(LCD_Reg);
00284 }
00285 
00286 /**
00287   * @brief  Writes data to the selected LCD register.
00288   * @param  LCD_Reg: address of the selected register.
00289   * @retval None
00290   */
00291 void ili9341_WriteData(uint16_t RegValue)
00292 {
00293   LCD_IO_WriteData(RegValue);
00294 }
00295 
00296 /**
00297   * @brief  Reads the selected LCD Register.
00298   * @param  RegValue: Address of the register to read
00299   * @param  ReadSize: Number of bytes to read
00300   * @retval LCD Register Value.
00301   */
00302 uint32_t ili9341_ReadData(uint16_t RegValue, uint8_t ReadSize)
00303 {
00304   /* Read a max of 4 bytes */
00305   return (LCD_IO_ReadData(RegValue, ReadSize));
00306 }
00307 
00308 /**
00309   * @brief  Get LCD PIXEL WIDTH.
00310   * @param  None
00311   * @retval LCD PIXEL WIDTH.
00312   */
00313 uint16_t ili9341_GetLcdPixelWidth(void)
00314 {
00315   /* Return LCD PIXEL WIDTH */
00316   return ILI9341_LCD_PIXEL_WIDTH;
00317 }
00318 
00319 /**
00320   * @brief  Get LCD PIXEL HEIGHT.
00321   * @param  None
00322   * @retval LCD PIXEL HEIGHT.
00323   */
00324 uint16_t ili9341_GetLcdPixelHeight(void)
00325 {
00326   /* Return LCD PIXEL HEIGHT */
00327   return ILI9341_LCD_PIXEL_HEIGHT;
00328 }
00329 
00330 /**
00331   * @}
00332   */ 
00333 
00334 /**
00335   * @}
00336   */ 
00337   
00338 /**
00339   * @}
00340   */ 
00341 
00342 /**
00343   * @}
00344   */
00345   
00346 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/