//VCI=3.3V //*********************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(0x3A); write_data(0x05); write_command(0x36); write_data(0x00); //--------------------------------ST7789S Frame rate setting----------------------------------// write_command(0xb2); write_data(0x00); write_data(0x00); write_data(0x00); write_data(0x33); write_data(0x33); write_command(0xb7); write_data(0x35); //---------------------------------ST7789S Power setting--------------------------------------// write_command(0xb8); write_data(0x2f); write_data(0x2b); write_data(0x2f); write_command(0xbb); write_data(0x24);//vcom write_command(0xc0); write_data(0x2C); write_command(0xc3); write_data(0x10);//0B调深浅 write_command(0xc4); write_data(0x20); write_command(0xc6); write_data(0x11); write_command(0xd0); write_data(0xa4); write_data(0xa1); write_command(0xe8); write_data(0x03); write_command(0xe9); write_data(0x0d); write_data(0x12); write_data(0x00); //--------------------------------ST7789S gamma setting---------------------------------------// write_command(0xe0); write_data(0xd0); write_data(0x00); write_data(0x00); write_data(0x08); write_data(0x11); write_data(0x1a); write_data(0x2b); write_data(0x33); write_data(0x42); write_data(0x26); write_data(0x12); write_data(0x21); write_data(0x2f); write_data(0x11); write_command(0xe1); write_data(0xd0); write_data(0x02); write_data(0x09); write_data(0x0d); write_data(0x0d); write_data(0x27); write_data(0x2b); write_data(0x33); write_data(0x42); write_data(0x17); write_data(0x12); write_data(0x11); write_data(0x2f); write_data(0x31); write_command(0x21); //反显 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 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; }