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ili9340.h
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ili9340.h
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/*
* ili9340.h
*
*
* Created by Steve Gunn on 27/08/2012.
* Copyright 2012 University of Southampton. All rights reserved.
*
*/
/*
* Edited by Oliver Martin for LaFortuna 05/05/2018
*/
/* Basic Commands */
#define NO_OPERATION 0x00
#define SOFTWARE_RESET 0x01
#define READ_DISPLAY_IDENTIFICATION_INFORMATION 0x04
#define READ_DISPLAY_STATUS 0x09
#define READ_DISPLAY_POWER_MODE 0x0A
#define READ_DISPLAY_MADCTL 0x0B
#define READ_DISPLAY_PIXEL_FORMAT 0x0C
#define READ_DISPLAY_IMAGE_FORMAT 0x0D
#define READ_DISPLAY_SIGNAL_MODE 0x0E
#define READ_DISPLAY_SELF_DIAGNOSTIC_RESULT 0x0F
#define ENTER_SLEEP_MODE 0x10
#define SLEEP_OUT 0x11
#define PARTIAL_MODE_ON 0x12
#define NORMAL_DISPLAY_MODE_ON 0x13
#define DISPLAY_INVERSION_OFF 0x20
#define DISPLAY_INVERSION_ON 0x21
#define GAMMA_SET 0x26
#define DISPLAY_OFF 0x28
#define DISPLAY_ON 0x29
#define COLUMN_ADDRESS_SET 0x2A
#define PAGE_ADDRESS_SET 0x2B
#define MEMORY_WRITE 0x2C
#define COLOR_SET 0x2D
#define MEMORY_READ 0x2E
#define PARTIAL_AREA 0x30
#define VERTICAL_SCROLLING_DEFINITION 0x33
#define TEARING_EFFECT_LINE_OFF 0x34
#define TEARING_EFFECT_LINE_ON 0x35
#define MEMORY_ACCESS_CONTROL 0x36
#define VERTICAL_SCROLLING_START_ADDRESS 0x37
#define IDLE_MODE_OFF 0x38
#define IDLE_MODE_ON 0x39
#define PIXEL_FORMAT_SET 0x3A
#define WRITE_MEMORY_CONTINUE 0x3C
#define READ_MEMORY_CONTINUE 0x3E
#define SET_TEAR_SCANLINE 0x44
#define GET_SCANLINE 0x45
#define WRITE_DISPLAY_BRIGHTNESS 0x51
#define READ_DISPLAY_BRIGHTNESS 0x52
#define WRITE_CTRL_DISPLAY 0x53
#define READ_CTRL_DISPLAY 0x54
#define WRITE_CONTENT_ADAPTIVE_BRIGHTNESS_CONTROL 0x55
#define READ_CONTENT_ADAPTIVE_BRIGHTNESS_CONTROL 0x56
#define WRITE_CABC_MINIMUM_BRIGHTNESS 0x5E
#define READ_CABC_MINIMUM_BRIGHTNESS 0x5F
#define READ_ID1 0xDA
#define READ_ID2 0xDB
#define READ_ID3 0xDC
/* Extended Commands */
#define RGB_INTERFACE_SIGNAL_CONTROL 0xB0
#define FRAME_CONTROL_IN_NORMAL_MODE 0xB1
#define FRAME_CONTROL_IN_IDLE_MODE 0xB2
#define FRAME_CONTROL_IN_PARTIAL_MODE 0xB3
#define DISPLAY_INVERSION_CONTROL 0xB4
#define BLANKING_PORCH_CONTROL 0xB5
#define DISPLAY_FUNCTION_CONTROL 0xB6
#define ENTRY_MODE_SET 0xB7
#define BACKLIGHT_CONTROL_1 0xB8
#define BACKLIGHT_CONTROL_2 0xB9
#define BACKLIGHT_CONTROL_3 0xBA
#define BACKLIGHT_CONTROL_4 0xBB
#define BACKLIGHT_CONTROL_5 0xBC
#define BACKLIGHT_CONTROL_7 0xBE
#define BACKLIGHT_CONTROL_8 0xBF
#define POWER_CONTROL_1 0xC0
#define POWER_CONTROL_2 0xC1
#define POWER_CONTROL3_(FOR_NORMAL_MODE) 0xC2
#define POWER_CONTROL4_(FOR_IDLE_MODE) 0xC3
#define POWER_CONTROL5_(FOR_PARTIAL_MODE) 0xC4
#define VCOM_CONTROL_1 0xC5
#define VCOM_CONTROL_2 0xC7
#define NV_MEMORY_WRITE 0xD0
#define NV_MEMORY_PROTECTION_KEY 0xD1
#define NV_MEMORY_STATUS_READ 0xD2
#define READ_ID4 0xD3
#define POSITIVE_GAMMA_CORRECTION 0xE0
#define NEGATIVE_GAMMA_CORRECTION 0xE1
#define DIGITAL_GAMMA_CONTROL 0xE2
#define DIGITAL_GAMMA_CONTROL2 0xE3
#define INTERFACE_CONTROL 0xF6
/* Undocumented commands */
#define INTERNAL_IC_SETTING 0xCB
#define GAMMA_DISABLE 0xF2
#include "avrlcd.h"
#define write_cmd_2(cmd) asm volatile("sts %0,%1" :: "i" (CMD_ADDR), "r" (cmd) : "memory");
#define write_data_2(data) asm volatile("sts %0,%1" :: "i" (DATA_ADDR), "r" (data) : "memory");
#define write_data16_2(data) asm volatile("sts %0,%B1 \n\t sts %0,%A1" :: "i" (DATA_ADDR), "r" (data) : "memory");
//#define write_cmd_data(cmd, data) asm volatile("sts %0,%1 \n\t sts %2,%3" :: "i" (CMD_ADDR), "r" (cmd), "i" (DATA_ADDR), "r" (data) : "memory");
__inline__ void write_cmd(uint8_t cmd)
{
RS_lo();
write_cmd_2(cmd);
WR_lo();
WR_hi();
RS_hi();
}
__inline__ void write_data(uint8_t data)
{
write_data_2(data);
WR_lo();
WR_hi();
}
__inline__ void write_data16(uint16_t data)
{
//write_data(data >> 8);
//write_data(data & 0xFF);
write_data16_2(data);
}
__inline__ void write_cmd_data(uint8_t cmd, uint8_t ndata, char* data)
{
uint8_t i;
write_cmd(cmd);
for(i=0; i<ndata; i++)
write_data(*data++);
}
void LCD::Init()
{
/* Enable extended memory interface with 10 bit addressing */
XMCRB = _BV(XMM2) | _BV(XMM1);
XMCRA = _BV(SRE);
uint16_t x, y;
init_ports();
RESET_lo();
delay_ms(100);
RESET_hi();
delay_ms(100);
RS_hi();
WR_hi();
RD_hi();
BLC_lo();
VSYNC_hi();
write_cmd(DISPLAY_OFF);
write_cmd(SLEEP_OUT);
delay_ms(60);
write_cmd_data(INTERNAL_IC_SETTING, 1, "\x01");
write_cmd_data(POWER_CONTROL_1, 2, "\x26\x08");
write_cmd_data(POWER_CONTROL_2, 1, "\x10");
write_cmd_data(VCOM_CONTROL_1, 2, "\x35\x3E");
write_cmd_data(MEMORY_ACCESS_CONTROL, 1, "\x40");
write_cmd_data(RGB_INTERFACE_SIGNAL_CONTROL, 1, "\x4A"); // Set the DE/Hsync/Vsync/Dotclk polarity
write_cmd_data(FRAME_CONTROL_IN_NORMAL_MODE, 2, "\x00\x1B"); // 70Hz
write_cmd_data(DISPLAY_FUNCTION_CONTROL, 4, "\x0A\x82\x27\x00");
write_cmd_data(VCOM_CONTROL_2, 1, "\xB5");
write_cmd_data(INTERFACE_CONTROL, 3, "\x01\x00\x00"); // System interface
write_cmd_data(GAMMA_DISABLE, 1, "\x00");
write_cmd_data(GAMMA_SET, 1, "\x01"); // Select Gamma curve 1
write_cmd_data(PIXEL_FORMAT_SET, 1, "\x55"); // 0x66 - 18bit /pixel, 0x55 - 16bit/pixel
write_cmd_data(POSITIVE_GAMMA_CORRECTION, 15, "\x1F\x1A\x18\x0A\x0F\x06\x45\x87\x32\x0A\x07\x02\x07\x05\x00");
write_cmd_data(NEGATIVE_GAMMA_CORRECTION, 15, "\x00\x25\x27\x05\x10\x09\x3A\x78\x4D\x05\x18\x0D\x38\x3A\x1F");
write_cmd_data(COLUMN_ADDRESS_SET, 4, "\x00\x00\x00\xEF");
write_cmd_data(PAGE_ADDRESS_SET, 4, "\x00\x00\x01\x3F");
write_cmd(TEARING_EFFECT_LINE_OFF);
write_cmd_data(DISPLAY_INVERSION_CONTROL, 1, "\x00");
write_cmd_data(ENTRY_MODE_SET, 1, "\x07");
write_cmd(MEMORY_WRITE);
for(x=0; x<240; x++)
for(y=0; y<320; y++)
write_data16(0x0000);
write_cmd(DISPLAY_ON);
delay_ms(50);
BLC_hi();
}
void LCD::SetWrap(int x, int y, int width, int height)
{
write_cmd(COLUMN_ADDRESS_SET);
write_data16(x);
write_data16(x + width-1);
write_cmd(PAGE_ADDRESS_SET);
write_data16(y);
write_data16(y + height-1);
}
void LCD::SetGRAM(int x, int y)
{
write_cmd(MEMORY_WRITE);
}
void LCD::HardwareScroll(int y)
{
/* Empty */
}