Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Dependents: testUniGraphic_150217 maze_TFT_MMA8451Q TFT_test_frdm-kl25z TFT_test_NUCLEO-F411RE ... more
Inits/TFT_MIPI.cpp
- Committer:
- Geremia
- Date:
- 2022-01-25
- Revision:
- 34:c66986d80f72
- Parent:
- 11:b842b8e332cb
File content as of revision 34:c66986d80f72:
/* 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);
}
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);
}
// 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
thread_sleep_for(150);
wr_cmd8(0x29); // display on
thread_sleep_for(150);
}
GraphicsDisplay

