Diff: UniGraphic/Inits/TFT_MIPI.cpp

Revision:

0:fa952828e34c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UniGraphic/Inits/TFT_MIPI.cpp	Sun May 10 10:44:31 2020 +0000
@@ -0,0 +1,191 @@
+/* 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);
+}