Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of UniGraphic by
Inits/ILI9341.cpp
- Committer:
- Geremia
- Date:
- 2015-02-20
- Revision:
- 11:b842b8e332cb
- Parent:
- 10:668cf78ff93a
- Child:
- 21:ae0a4eedfc90
File content as of revision 11:b842b8e332cb:
/* 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 "ILI9341.h"
//////////////////////////////////////////////////////////////////////////////////
// display settings ///////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// put in constructor
//#define LCDSIZE_X 240 // display X pixels, TFTs are usually portrait view
//#define LCDSIZE_Y 320 // display Y pixels
ILI9341::ILI9341(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 and set mipistd flag
init();
auto_gram_read_format();
set_orientation(0);
cls();
FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
locate(0,0);
}
ILI9341::ILI9341(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
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.
cls();
locate(0,0);
}
// reset and init the lcd controller
void ILI9341::init()
{
/* Start Initial Sequence ----------------------------------------------------*/
wr_cmd8(0xCB); // POWER_ON_SEQ_CONTROL
wr_data8(0x39);
wr_data8(0x2C);
wr_data8(0x00);
wr_data8(0x34);
wr_data8(0x02);
wr_cmd8(0xCF); // POWER_CONTROL_B
wr_data8(0x00);
wr_data8(0xC1); // Applic Notes 81, was 83, C1 enables PCEQ: PC and EQ operation for power saving
wr_data8(0x30);
wr_cmd8(0xE8); // DRIVER_TIMING_CONTROL_A
wr_data8(0x85);
wr_data8(0x00); // AN 10, was 01
wr_data8(0x78); // AN 7A, was 79
wr_cmd8(0xEA); // DRIVER_TIMING_CONTROL_B
wr_data8(0x00);
wr_data8(0x00);
wr_cmd8(0xED);
wr_data8(0x64);
wr_data8(0x03);
wr_data8(0x12);
wr_data8(0x81);
wr_cmd8(0xF7); // PUMP_RATIO_CONTROL
wr_data8(0x20);
wr_cmd8(0xC0); // POWER_CONTROL_1
wr_data8(0x23); // AN 21, was 26
wr_cmd8(0xC1); // POWER_CONTROL_2
wr_data8(0x10); // AN 11, was 11
wr_cmd8(0xC5); // VCOM_CONTROL_1
wr_data8(0x3E); // AN 3F, was 35
wr_data8(0x28); // AN 3C, was 3E
wr_cmd8(0xC7); // VCOM_CONTROL_2
wr_data8(0x86); // AN A7, was BE
wr_cmd8(0xB1); // Frame Rate
wr_data8(0x00);
wr_data8(0x18); // AN 1B, was 1B 1B=70hz
wr_cmd8(0xB6); // display function control, INTERESTING
wr_data8(0x08); // AN 0A, was 0A
wr_data8(0x82); // AN A2
wr_data8(0x27); // AN not present
// wr_data8(0x00); // was present
wr_cmd8(0xF2); // Gamma Function Disable
wr_data8(0x00); // AN 00, was 08
wr_cmd8(0x26);
wr_data8(0x01); // gamma set for curve 01/2/04/08
wr_cmd8(0xE0); // positive gamma correction
wr_data8(0x0F);
wr_data8(0x31);
wr_data8(0x2B);
wr_data8(0x0C);
wr_data8(0x0E);
wr_data8(0x08);
wr_data8(0x4E);
wr_data8(0xF1);
wr_data8(0x37);
wr_data8(0x07);
wr_data8(0x10);
wr_data8(0x03);
wr_data8(0x0E);
wr_data8(0x09);
wr_data8(0x00);
wr_cmd8(0xE1); // negativ gamma correction
wr_data8(0x00);
wr_data8(0x0E);
wr_data8(0x14);
wr_data8(0x03);
wr_data8(0x11);
wr_data8(0x07);
wr_data8(0x31);
wr_data8(0xC1);
wr_data8(0x48);
wr_data8(0x08);
wr_data8(0x0F);
wr_data8(0x0C);
wr_data8(0x31);
wr_data8(0x36);
wr_data8(0x0F);
//wr_cmd8(0x34); // tearing effect off
//wr_cmd8(0x35); // tearing effect on
// wr_cmd8(0xB7); // ENTRY_MODE_SET
// wr_data8(0x07);
wr_cmd8(0x36); // MEMORY_ACCESS_CONTROL (orientation stuff)
wr_data8(0x48);
wr_cmd8(0x3A); // COLMOD_PIXEL_FORMAT_SET
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);
}
