//VCI=3.3V,根据IM的选择用对应的数据线位数. //*********************16BIT********************************* void write_command(unsigned int i) { cs=0; rd=1; rs=0; P2=i>>8; P0=i; rw=0; rw=1; cs=1; } void write_data(unsigned int i) { cs=0; rd=1; rs=1; P2=i>>8; P0=i; rw=0;; rw=1; cs=1; } //********************8BIT**************************************** void write_command(unsigned int i) { cs=0; rd=1; rs=0; P2=i; rw=0; rw=1; cs=1; } void write_data(unsigned int i) { cs=0; rd=1; rs=1; P2=i>>8; P2=i; rw=0;; rw=1; cs=1; } /*************************************************/ void initi(void) { res=1; delay(1); res=0; delay(10); res=1; delay(120); //************************************************ write_command(0x11); Delay(120); //Delay 120ms write_command(0x36); //Memory Data Access Control write_data(0x00); //MY:0x80 write_command(0x3A); //Interface Pixel Format write_data(0x05); //MCU-16bit write_command(0xB2); //Porch Setting write_data(0x0C); //Normal BP write_data(0x0C); //Normal FP write_data(0x00); //Enable Seperate write_data(0x33); //idle, BP[7:4], FP[3:0] write_data(0x33); //partial, BP[7:4], FP[3:0] write_command(0xB7); //Gate Control write_data(0x70); write_command(0xBB); //VCOMS Setting write_data(0x2B); //37 write_command(0xC0); write_data(0x2C); write_command(0xC2); write_data(0x01); write_command(0xC3); //VRH Set write_data(0x20); //21 write_command(0xC4); write_data(0x20); write_command(0xC6); //Frame Rate Control in Normal Mode write_data(0x0F); write_command(0xD0); //Power Control 1 write_data(0xA4); // write_data(0xA1); //AVDD=6.8V, AVCL=-4.8V, VDS=2.3V write_command(0xE0); write_data(0xD0); write_data(0xCA); write_data(0x0E); write_data(0x08); write_data(0x09); write_data(0x07); write_data(0x2D); write_data(0x3B); write_data(0x3D); write_data(0x34); write_data(0x0A); write_data(0x0A); write_data(0x1B); write_data(0x28); write_command(0xE1); write_data(0xD0); write_data(0xCA); write_data(0x0F); write_data(0x08); write_data(0x08); write_data(0x07); write_data(0x2E); write_data(0x5C); write_data(0x40); write_data(0x34); write_data(0x09); write_data(0x0B); write_data(0x1B); write_data(0x28); write_command(0x21); write_command(0x2A); //Frame rate control write_data(0x00); write_data(0x00); write_data(0x00); write_data(0xEF); write_command(0x2B); //Display function control write_data(0x00); write_data(0x00); write_data(0x01); write_data(0x3F); //********************** write_command(0x29); //display on Delay(50); write_command(0x2c); } //********************************************************************************************* void EnterSleep (void) { write_command(0x28); delay(20); write_command(0x10); } //********************************************************* void ExitSleep (void) { write_command(0x11); delay(120); write_command(0x29); } //************ST7789读red ID如下(MT6260)******************// kal_bool LCM_ID_check_ST7789S() { kal_uint8 dummy, ST7789S_1, ST7789S_2, ST7789S_3; MAIN_LCD_CtrlWrite(0x04); //LCM ID dummy = MAIN_LCD_DataRead; ST7789S_1 = MAIN_LCD_DataRead; ST7789S_2 = MAIN_LCD_DataRead; ST7789S_3 = MAIN_LCD_DataRead; if ((0x85== ST7789S_2) && (0x52 == ST7789S_3)) { #ifdef __FACTORY_GET_DRIVERS_INF__ LCM_INF="ST7789S ID=8552"; #endif return KAL_TRUE; } else return KAL_FALSE; }