BSP files for STM32H747I-Discovery Copy from ST Cube delivery
Dependents: DISCO_H747I_LCD_demo DISCO_H747I_AUDIO_demo
Components/otm8009a/otm8009a.c
- Committer:
- Jerome Coutant
- Date:
- 2019-09-25
- Revision:
- 0:146cf26a9bbb
File content as of revision 0:146cf26a9bbb:
/** ****************************************************************************** * @file otm8009a.c * @author MCD Application Team * @version V1.0.2 * @date 27-January-2017 * @brief This file provides the LCD Driver for KoD KM-040TMP-02-0621 (WVGA) * DSI LCD Display OTM8009A. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 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 "otm8009a.h" /** @addtogroup BSP * @{ */ /** @addtogroup Components * @{ */ /** @defgroup OTM8009A OTM8009A * @brief This file provides a set of functions needed to drive the * otm8009a IC display driver. * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /** @defgroup OTM8009A_Private_Constants OTM8009A Private Constants * @{ */ /* * @brief Constant tables of register settings used to transmit DSI * command packets as power up initialization sequence of the KoD LCD (OTM8009A LCD Driver) */ const uint8_t lcdRegData1[] = {0x80,0x09,0x01,0xFF}; const uint8_t lcdRegData2[] = {0x80,0x09,0xFF}; const uint8_t lcdRegData3[] = {0x00,0x09,0x0F,0x0E,0x07,0x10,0x0B,0x0A,0x04,0x07,0x0B,0x08,0x0F,0x10,0x0A,0x01,0xE1}; const uint8_t lcdRegData4[] = {0x00,0x09,0x0F,0x0E,0x07,0x10,0x0B,0x0A,0x04,0x07,0x0B,0x08,0x0F,0x10,0x0A,0x01,0xE2}; const uint8_t lcdRegData5[] = {0x79,0x79,0xD8}; const uint8_t lcdRegData6[] = {0x00,0x01,0xB3}; const uint8_t lcdRegData7[] = {0x85,0x01,0x00,0x84,0x01,0x00,0xCE}; const uint8_t lcdRegData8[] = {0x18,0x04,0x03,0x39,0x00,0x00,0x00,0x18,0x03,0x03,0x3A,0x00,0x00,0x00,0xCE}; const uint8_t lcdRegData9[] = {0x18,0x02,0x03,0x3B,0x00,0x00,0x00,0x18,0x01,0x03,0x3C,0x00,0x00,0x00,0xCE}; const uint8_t lcdRegData10[] = {0x01,0x01,0x20,0x20,0x00,0x00,0x01,0x02,0x00,0x00,0xCF}; const uint8_t lcdRegData11[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData12[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData13[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData14[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData15[] = {0x00,0x04,0x04,0x04,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData16[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData17[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCB}; const uint8_t lcdRegData18[] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCB}; const uint8_t lcdRegData19[] = {0x00,0x26,0x09,0x0B,0x01,0x25,0x00,0x00,0x00,0x00,0xCC}; const uint8_t lcdRegData20[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0x0A,0x0C,0x02,0xCC}; const uint8_t lcdRegData21[] = {0x25,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCC}; const uint8_t lcdRegData22[] = {0x00,0x25,0x0C,0x0A,0x02,0x26,0x00,0x00,0x00,0x00,0xCC}; const uint8_t lcdRegData23[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x25,0x0B,0x09,0x01,0xCC}; const uint8_t lcdRegData24[] = {0x26,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCC}; const uint8_t lcdRegData25[] = {0xFF,0xFF,0xFF,0xFF}; /* * CASET value (Column Address Set) : X direction LCD GRAM boundaries * depending on LCD orientation mode and PASET value (Page Address Set) : Y direction * LCD GRAM boundaries depending on LCD orientation mode * XS[15:0] = 0x000 = 0, XE[15:0] = 0x31F = 799 for landscape mode : apply to CASET * YS[15:0] = 0x000 = 0, YE[15:0] = 0x31F = 799 for portrait mode : : apply to PASET */ const uint8_t lcdRegData27[] = {0x00, 0x00, 0x03, 0x1F, OTM8009A_CMD_CASET}; /* * XS[15:0] = 0x000 = 0, XE[15:0] = 0x1DF = 479 for portrait mode : apply to CASET * YS[15:0] = 0x000 = 0, YE[15:0] = 0x1DF = 479 for landscape mode : apply to PASET */ const uint8_t lcdRegData28[] = {0x00, 0x00, 0x01, 0xDF, OTM8009A_CMD_PASET}; const uint8_t ShortRegData1[] = {OTM8009A_CMD_NOP, 0x00}; const uint8_t ShortRegData2[] = {OTM8009A_CMD_NOP, 0x80}; const uint8_t ShortRegData3[] = {0xC4, 0x30}; const uint8_t ShortRegData4[] = {OTM8009A_CMD_NOP, 0x8A}; const uint8_t ShortRegData5[] = {0xC4, 0x40}; const uint8_t ShortRegData6[] = {OTM8009A_CMD_NOP, 0xB1}; const uint8_t ShortRegData7[] = {0xC5, 0xA9}; const uint8_t ShortRegData8[] = {OTM8009A_CMD_NOP, 0x91}; const uint8_t ShortRegData9[] = {0xC5, 0x34}; const uint8_t ShortRegData10[] = {OTM8009A_CMD_NOP, 0xB4}; const uint8_t ShortRegData11[] = {0xC0, 0x50}; const uint8_t ShortRegData12[] = {0xD9, 0x4E}; const uint8_t ShortRegData13[] = {OTM8009A_CMD_NOP, 0x81}; const uint8_t ShortRegData14[] = {0xC1, 0x66}; const uint8_t ShortRegData15[] = {OTM8009A_CMD_NOP, 0xA1}; const uint8_t ShortRegData16[] = {0xC1, 0x08}; const uint8_t ShortRegData17[] = {OTM8009A_CMD_NOP, 0x92}; const uint8_t ShortRegData18[] = {0xC5, 0x01}; const uint8_t ShortRegData19[] = {OTM8009A_CMD_NOP, 0x95}; const uint8_t ShortRegData20[] = {OTM8009A_CMD_NOP, 0x94}; const uint8_t ShortRegData21[] = {0xC5, 0x33}; const uint8_t ShortRegData22[] = {OTM8009A_CMD_NOP, 0xA3}; const uint8_t ShortRegData23[] = {0xC0, 0x1B}; const uint8_t ShortRegData24[] = {OTM8009A_CMD_NOP, 0x82}; const uint8_t ShortRegData25[] = {0xC5, 0x83}; const uint8_t ShortRegData26[] = {0xC4, 0x83}; const uint8_t ShortRegData27[] = {0xC1, 0x0E}; const uint8_t ShortRegData28[] = {OTM8009A_CMD_NOP, 0xA6}; const uint8_t ShortRegData29[] = {OTM8009A_CMD_NOP, 0xA0}; const uint8_t ShortRegData30[] = {OTM8009A_CMD_NOP, 0xB0}; const uint8_t ShortRegData31[] = {OTM8009A_CMD_NOP, 0xC0}; const uint8_t ShortRegData32[] = {OTM8009A_CMD_NOP, 0xD0}; const uint8_t ShortRegData33[] = {OTM8009A_CMD_NOP, 0x90}; const uint8_t ShortRegData34[] = {OTM8009A_CMD_NOP, 0xE0}; const uint8_t ShortRegData35[] = {OTM8009A_CMD_NOP, 0xF0}; const uint8_t ShortRegData36[] = {OTM8009A_CMD_SLPOUT, 0x00}; const uint8_t ShortRegData37[] = {OTM8009A_CMD_COLMOD, OTM8009A_COLMOD_RGB565}; const uint8_t ShortRegData38[] = {OTM8009A_CMD_COLMOD, OTM8009A_COLMOD_RGB888}; const uint8_t ShortRegData39[] = {OTM8009A_CMD_MADCTR, OTM8009A_MADCTR_MODE_LANDSCAPE}; const uint8_t ShortRegData40[] = {OTM8009A_CMD_WRDISBV, 0x7F}; const uint8_t ShortRegData41[] = {OTM8009A_CMD_WRCTRLD, 0x2C}; const uint8_t ShortRegData42[] = {OTM8009A_CMD_WRCABC, 0x02}; const uint8_t ShortRegData43[] = {OTM8009A_CMD_WRCABCMB, 0xFF}; const uint8_t ShortRegData44[] = {OTM8009A_CMD_DISPON, 0x00}; const uint8_t ShortRegData45[] = {OTM8009A_CMD_RAMWR, 0x00}; const uint8_t ShortRegData46[] = {0xCF, 0x00}; const uint8_t ShortRegData47[] = {0xC5, 0x66}; const uint8_t ShortRegData48[] = {OTM8009A_CMD_NOP, 0xB6}; const uint8_t ShortRegData49[] = {0xF5, 0x06}; const uint8_t ShortRegData50[] = {OTM8009A_CMD_NOP, 0xB1}; const uint8_t ShortRegData51[] = {0xC6, 0x06}; /** * @} */ /* Private macros ------------------------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /** @defgroup OTM8009A_Exported_Variables * @{ */ /** * @} */ /* Exported functions ---------------------------------------------------------*/ /** @defgroup OTM8009A_Exported_Functions OTM8009A Exported Functions * @{ */ /** * @brief DSI IO write short/long command. * @note : Can be surcharged by application code implementation of the function. */ __weak void DSI_IO_WriteCmd(uint32_t NbrParams, uint8_t *pParams) { /* NOTE : This function Should not be modified, when it is needed, the DSI_IO_WriteCmd could be implemented in the user file */ } /** * @brief Initializes the LCD KoD display part by communication in DSI mode in Video Mode * with IC Display Driver OTM8009A (see IC Driver specification for more information). * @param hdsi_eval : pointer on DSI configuration structure * @param hdsivideo_handle : pointer on DSI video mode configuration structure * @retval Status */ uint8_t OTM8009A_Init(uint32_t ColorCoding, uint32_t orientation) { /* Enable CMD2 to access vendor specific commands */ /* Enter in command 2 mode and set EXTC to enable address shift function (0x00) */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd( 3, (uint8_t *)lcdRegData1); /* Enter ORISE Command 2 */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData2); /* Shift address to 0x80 */ DSI_IO_WriteCmd( 2, (uint8_t *)lcdRegData2); ///////////////////////////////////////////////////////////////////// /* SD_PCH_CTRL - 0xC480h - 129th parameter - Default 0x00 */ /* Set SD_PT */ /* -> Source output level during porch and non-display area to GND */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData2); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData3); OTM8009A_IO_Delay(10); /* Not documented */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData4); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData5); OTM8009A_IO_Delay(10); ///////////////////////////////////////////////////////////////////// /* PWR_CTRL4 - 0xC4B0h - 178th parameter - Default 0xA8 */ /* Set gvdd_en_test */ /* -> enable GVDD test mode !!! */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData6); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData7); /* PWR_CTRL2 - 0xC590h - 146th parameter - Default 0x79 */ /* Set pump 4 vgh voltage */ /* -> from 15.0v down to 13.0v */ /* Set pump 5 vgh voltage */ /* -> from -12.0v downto -9.0v */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData8); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData9); /* P_DRV_M - 0xC0B4h - 181th parameter - Default 0x00 */ /* -> Column inversion */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData10); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData11); /* VCOMDC - 0xD900h - 1st parameter - Default 0x39h */ /* VCOM Voltage settings */ /* -> from -1.0000v downto -1.2625v */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData12); /* Oscillator adjustment for Idle/Normal mode (LPDT only) set to 65Hz (default is 60Hz) */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData13); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData14); /* Video mode internal */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData15); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData16); /* PWR_CTRL2 - 0xC590h - 147h parameter - Default 0x00 */ /* Set pump 4&5 x6 */ /* -> ONLY VALID when PUMP4_EN_ASDM_HV = "0" */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData17); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData18); /* PWR_CTRL2 - 0xC590h - 150th parameter - Default 0x33h */ /* Change pump4 clock ratio */ /* -> from 1 line to 1/2 line */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData19); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData9); /* GVDD/NGVDD settings */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd( 2, (uint8_t *)lcdRegData5); /* PWR_CTRL2 - 0xC590h - 149th parameter - Default 0x33h */ /* Rewrite the default value ! */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData20); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData21); /* Panel display timing Setting 3 */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData22); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData23); /* Power control 1 */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData24); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData25); /* Source driver precharge */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData13); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData26); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData15); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData27); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData28); DSI_IO_WriteCmd( 2, (uint8_t *)lcdRegData6); /* GOAVST */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData2); DSI_IO_WriteCmd( 6, (uint8_t *)lcdRegData7); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData29); DSI_IO_WriteCmd( 14, (uint8_t *)lcdRegData8); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData30); DSI_IO_WriteCmd( 14, (uint8_t *)lcdRegData9); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData31); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData10); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData32); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData46); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData2); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData11); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData33); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData12); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData29); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData13); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData30); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData14); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData31); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData15); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData32); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData16); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData34); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData17); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData35); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData18); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData2); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData19); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData33); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData20); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData29); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData21); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData30); DSI_IO_WriteCmd( 10, (uint8_t *)lcdRegData22); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData31); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData23); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData32); DSI_IO_WriteCmd( 15, (uint8_t *)lcdRegData24); ///////////////////////////////////////////////////////////////////////////// /* PWR_CTRL1 - 0xc580h - 130th parameter - default 0x00 */ /* Pump 1 min and max DM */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData13); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData47); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData48); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData49); ///////////////////////////////////////////////////////////////////////////// /* CABC LEDPWM frequency adjusted to 19,5kHz */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData50); DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData51); /* Exit CMD2 mode */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd( 3, (uint8_t *)lcdRegData25); /*************************************************************************** */ /* Standard DCS Initialization TO KEEP CAN BE DONE IN HSDT */ /*************************************************************************** */ /* NOP - goes back to DCS std command ? */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); /* Gamma correction 2.2+ table (HSDT possible) */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd( 16, (uint8_t *)lcdRegData3); /* Gamma correction 2.2- table (HSDT possible) */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); DSI_IO_WriteCmd( 16, (uint8_t *)lcdRegData4); /* Send Sleep Out command to display : no parameter */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData36); /* Wait for sleep out exit */ OTM8009A_IO_Delay(120); switch(ColorCoding) { case OTM8009A_FORMAT_RBG565 : /* Set Pixel color format to RGB565 */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData37); break; case OTM8009A_FORMAT_RGB888 : /* Set Pixel color format to RGB888 */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData38); break; default : break; } /* Send command to configure display in landscape orientation mode. By default the orientation mode is portrait */ if(orientation == OTM8009A_ORIENTATION_LANDSCAPE) { DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData39); DSI_IO_WriteCmd( 4, (uint8_t *)lcdRegData27); DSI_IO_WriteCmd( 4, (uint8_t *)lcdRegData28); } /** CABC : Content Adaptive Backlight Control section start >> */ /* Note : defaut is 0 (lowest Brightness), 0xFF is highest Brightness, try 0x7F : intermediate value */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData40); /* defaut is 0, try 0x2C - Brightness Control Block, Display Dimming & BackLight on */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData41); /* defaut is 0, try 0x02 - image Content based Adaptive Brightness [Still Picture] */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData42); /* defaut is 0 (lowest Brightness), 0xFF is highest Brightness */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData43); /** CABC : Content Adaptive Backlight Control section end << */ /* Send Command Display On */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData44); /* NOP command */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData1); /* Send Command GRAM memory write (no parameters) : this initiates frame write via other DSI commands sent by */ /* DSI host from LTDC incoming pixels in video mode */ DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData45); return 0; } /** * @} */ /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/