File content as of revision 1:47c996032a9e:

/* mbed UniGraphic library - Device specific class
 * Copyright (c) 2015 Giuliano Dianda
 * Released under the MIT License: http://mbed.org/license/mit
 */
#include "Protocols.h"
#include "TFT_MIPI.h"

//////////////////////////////////////////////////////////////////////////////////

// display settings ///////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// put in constructor
//#define LCDSIZE_X       320 // display X pixels, TFTs are usually portrait view
//#define LCDSIZE_Y       480  // display Y pixels
TFT_MIPI::TFT_MIPI
(
    proto_t         displayproto,
    PortName        port,
    PinName         CS,
    PinName         reset,
    PinName         DC,
    PinName         WR,
    PinName         RD,
    const char*     name,
    unsigned int    LCDSIZE_X,
    unsigned int    LCDSIZE_Y
) :
    TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
{
    hw_reset();
    BusEnable(true);
    identify();                 // will collect tftID, set mipistd flag
    init();
    auto_gram_read_format();    // try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly

    //    scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
    set_orientation(0);

    //   FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
    cls();
    locate(0, 0);
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
TFT_MIPI::TFT_MIPI
(
    proto_t         displayproto,
    PinName*        buspins,
    PinName         CS,
    PinName         reset,
    PinName         DC,
    PinName         WR,
    PinName         RD,
    const char*     name,
    unsigned int    LCDSIZE_X,
    unsigned int    LCDSIZE_Y
) :
    TFT(displayproto, buspins, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
{
    //    hw_reset();

    //    BusEnable(true);
    identify(); // will collect tftID and set mipistd flag
    init();
    auto_gram_read_format();
    set_orientation(0);
    cls();
    locate(0, 0);
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
TFT_MIPI::TFT_MIPI
(
    proto_t         displayproto,
    int             Hz,
    PinName         mosi,
    PinName         miso,
    PinName         sclk,
    PinName         CS,
    PinName         reset,
    PinName         DC,
    const char*     name,
    unsigned int    LCDSIZE_X,
    unsigned int    LCDSIZE_Y
) :
    TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
{
    hw_reset();                 //TFT class forwards to Protocol class
    BusEnable(true);            //TFT class forwards to Protocol class
    identify();                 // will collect tftID and set mipistd flag
    init();                     // per display custom init cmd sequence, implemented here
    auto_gram_read_format();    // try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly

    //   scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
    set_orientation(0);         //TFT class does for MIPI standard and some ILIxxx

    //   FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
    cls();
    locate(0, 0);
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
TFT_MIPI::TFT_MIPI
(
    proto_t         displayproto,
    PinName         reset,
    const char*     name,
    unsigned int    LCDSIZE_X,
    unsigned int    LCDSIZE_Y
) :
    TFT(displayproto, reset, LCDSIZE_X, LCDSIZE_Y, name)
{
    hw_reset();
    identify(); // will collect tftID and set mipistd flag
    init();
    auto_gram_read_format();
    set_orientation(0);
    cls();
    locate(0, 0);
}

// reset and init the lcd controller
void TFT_MIPI::init()
{
    /* Start Initial Sequence ----------------------------------------------------*/

    /* Start Initial Sequence ----------------------------------------------------*/
    wr_cmd8(0xD0);  // POWER SETTING
    wr_data8(0x07);
    wr_data8(0x42);
    wr_data8(0x18);

    wr_cmd8(0xD1);  //  VCOM control
    wr_data8(0x00);
    wr_data8(0x07);
    wr_data8(0x10);

    wr_cmd8(0xD2);  //   Power_Setting for Normal Mode
    wr_data8(0x01); // LCD power supply current
    wr_data8(0x02); // charge pumps
    wr_cmd8(0xC0);  // Panel Driving Setting
    wr_data8(0x10); // 10 orig
    wr_data8(0x3B); //number of lines+1 *8
    wr_data8(0x00);
    wr_data8(0x02);
    wr_data8(0x11);

    // C1 missing? Display_Timing_Setting for Normal Mode
    //renesas does not have this
    // wr_cmd8(0xC5); // Frame Rate and Inversion Control
    // wr_data8(0x03); // 72hz, datashet tells default 02=85hz
    wr_cmd8(0xC8);  // Gamma settings
    wr_data8(0x00);
    wr_data8(0x32);
    wr_data8(0x36);
    wr_data8(0x45);
    wr_data8(0x06);
    wr_data8(0x16);
    wr_data8(0x37);
    wr_data8(0x75);
    wr_data8(0x77);
    wr_data8(0x54);
    wr_data8(0x0C);
    wr_data8(0x00);

    wr_cmd8(0x36);  // MEMORY_ACCESS_CONTROL (orientation stuff)
    wr_data8(0x0A); // 0A as per chinese example (vertical flipped)
    wr_cmd8(0x3A);  // COLMOD_PIXEL_FORMAT_SET, not present in AN
    wr_data8(0x55); // 16 bit pixel
    wr_cmd8(0x13);  // Nomal Displaymode
    wr_cmd8(0x11);  // sleep out
    wait_ms(150);

    wr_cmd8(0x29);  // display on
    wait_ms(150);
}