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/*
* Author: Shawn Hymel
* Copyright (c) 2015 SparkFun Electronics
*
* Credits to Adafruit.
* Based on Adafruit ILI9341 library, see original license in license.txt file.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
// Includes
#include <string>
#include <mraa/common.hpp>
#include <mraa/gpio.hpp>
#include <mraa/spi.hpp>
#include "gfx.h"
// Defines
#define ILI9341_TFTWIDTH 240
#define ILI9341_TFTHEIGHT 320
#define SPI_FREQ 15000000
#define ILI9341_NOP 0x00
#define ILI9341_SWRESET 0x01
#define ILI9341_RDDID 0x04
#define ILI9341_RDDST 0x09
#define ILI9341_SLPIN 0x10
#define ILI9341_SLPOUT 0x11
#define ILI9341_PTLON 0x12
#define ILI9341_NORON 0x13
#define ILI9341_RDMODE 0x0A
#define ILI9341_RDMADCTL 0x0B
#define ILI9341_RDPIXFMT 0x0C
#define ILI9341_RDIMGFMT 0x0D
#define ILI9341_RDSELFDIAG 0x0F
#define ILI9341_INVOFF 0x20
#define ILI9341_INVON 0x21
#define ILI9341_GAMMASET 0x26
#define ILI9341_DISPOFF 0x28
#define ILI9341_DISPON 0x29
#define ILI9341_CASET 0x2A
#define ILI9341_PASET 0x2B
#define ILI9341_RAMWR 0x2C
#define ILI9341_RAMRD 0x2E
#define ILI9341_PTLAR 0x30
#define ILI9341_MADCTL 0x36
#define ILI9341_PIXFMT 0x3A
#define ILI9341_FRMCTR1 0xB1
#define ILI9341_FRMCTR2 0xB2
#define ILI9341_FRMCTR3 0xB3
#define ILI9341_INVCTR 0xB4
#define ILI9341_DFUNCTR 0xB6
#define ILI9341_PWCTR1 0xC0
#define ILI9341_PWCTR2 0xC1
#define ILI9341_PWCTR3 0xC2
#define ILI9341_PWCTR4 0xC3
#define ILI9341_PWCTR5 0xC4
#define ILI9341_VMCTR1 0xC5
#define ILI9341_VMCTR2 0xC7
#define ILI9341_RDID1 0xDA
#define ILI9341_RDID2 0xDB
#define ILI9341_RDID3 0xDC
#define ILI9341_RDID4 0xDD
#define ILI9341_GMCTRP1 0xE0
#define ILI9341_GMCTRN1 0xE1
#define MADCTL_MY 0x80
#define MADCTL_MX 0x40
#define MADCTL_MV 0x20
#define MADCTL_ML 0x10
#define MADCTL_RGB 0x00
#define MADCTL_BGR 0x08
#define MADCTL_MH 0x04
#define HIGH 1
#define LOW 0
#define DELAY 0x80
// Color definitions
#define ILI9341_BLACK 0x0000 /* 0, 0, 0 */
#define ILI9341_NAVY 0x000F /* 0, 0, 128 */
#define ILI9341_DARKGREEN 0x03E0 /* 0, 128, 0 */
#define ILI9341_DARKCYAN 0x03EF /* 0, 128, 128 */
#define ILI9341_MAROON 0x7800 /* 128, 0, 0 */
#define ILI9341_PURPLE 0x780F /* 128, 0, 128 */
#define ILI9341_OLIVE 0x7BE0 /* 128, 128, 0 */
#define ILI9341_LIGHTGREY 0xC618 /* 192, 192, 192 */
#define ILI9341_DARKGREY 0x7BEF /* 128, 128, 128 */
#define ILI9341_BLUE 0x001F /* 0, 0, 255 */
#define ILI9341_GREEN 0x07E0 /* 0, 255, 0 */
#define ILI9341_CYAN 0x07FF /* 0, 255, 255 */
#define ILI9341_RED 0xF800 /* 255, 0, 0 */
#define ILI9341_MAGENTA 0xF81F /* 255, 0, 255 */
#define ILI9341_YELLOW 0xFFE0 /* 255, 255, 0 */
#define ILI9341_WHITE 0xFFFF /* 255, 255, 255 */
#define ILI9341_ORANGE 0xFD20 /* 255, 165, 0 */
#define ILI9341_GREENYELLOW 0xAFE5 /* 173, 255, 47 */
#define ILI9341_PINK 0xF81F
namespace upm {
/**
* @brief ILI9341 LCD library
* @defgroup ili9341 libupm-ili9341
* @ingroup adafruit spi display
*/
/**
* @library ili9341
* @sensor ili9341
* @comname ILI9341 LCD
* @type display
* @man adafruit
* @web http://www.adafruit.com/product/2090
* @con spi
*
* @brief API for the ILI9342 LCd
*
* This module defines the interface for the ILI9341 display library
*
* @image html ili9341.jpg
* @snippet ili9341.cxx Interesting
*/
class ILI9341 : public GFX {
public:
/**
* Instantiates an ILI9341 object
*
* @param csLCD LCD chip select pin
* @param csSD SD card select pin
* @param dc Data/command pin
* @param rst Reset pin
*/
ILI9341(uint8_t csLCD, uint8_t csSD, uint8_t dc, uint8_t rst);
/**
* Returns the name of the component
*/
std::string name() {
return m_name;
}
/**
* Initializes GPIOs used to talk to the LCD
*/
void initModule();
/**
* Configures the LCD driver chip via SPI
*/
void configModule();
/**
* Sets the window size inside the screen where pixel data is
* written. Concrete implementation from GFX interface.
*
* @param x0 First coordinate
* @param y0 First coordinate
* @param x1 Second coordinate
* @param y1 Second coordinate
*/
void setAddrWindow(uint16_t x0,
uint16_t y0,
uint16_t x1,
uint16_t y1);
/**
* Sends a pixel color (RGB) to the driver chip. Concrete
* implementation from GFX interface.
*
* @param x Axis on the horizontal scale
* @param y Axis on the vertical scale
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]
*/
void drawPixel(int16_t x, int16_t y, uint16_t color);
/**
* Draws a vertical line using minimal SPI writes.
*
* @param x Axis on the horizontal scale to begin line
* @param y Axis on the vertical scale to begin line
* @param h Height of line in pixels
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]
*/
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
/**
* Draws a horizontal line using minimal SPI writes.
*
* @param x Axis on the horizontal scale to begin line
* @param y Axis on the vertical scale to begin line
* @param w Width of line in pixels
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]
*/
void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
/**
* Draw a filled rectangle.
*
* @param x Axis on the horizontal scale of upper-left corner
* @param y Axis on the vertical scale of upper-left corner
* @param w Width of rectangle in pixels
* @param h Height of rectangle in pixels
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]
*/
void fillRect(int16_t x,
int16_t y,
int16_t w,
int16_t h,
uint16_t color);
/**
* Fill the screen with a single color.
*
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]
*/
void fillScreen(uint16_t color);
/**
* Sets the screen to one of four 90 deg rotations.
*
* @param r Rotation setting: 0, 1, 2, 3
*/
void setRotation(uint8_t r);
/**
* Invert colors on the display.
*
* @param i True or false to invert colors
*/
void invertDisplay(bool i);
/**
* Pass 8-bit R, G, B values and get back 16-bit packed color.
*
* @param r Red color 0-31
* @param g Green color 0-63
* @param b blue color 0-31
* @return 16-bit packed color (RGB) value
*/
uint16_t color565(uint8_t r, uint8_t g, uint8_t b);
/**
* Executes a set of commands and data.
*
* @param addr Pointer to the start of the commands/data section
*/
void executeCMDList(const uint8_t *addr);
/**
* Sends a command to the display driver via SPI.
*
* @param c Command to be written
*/
void writecommand(uint8_t c);
/**
* Sends data to the display driver via SPI
*
* @param d Data to be written
*/
void writedata(uint8_t d);
/**
* Set LCD chip select to LOW
*/
mraa::Result lcdCSOn();
/**
* Set LCD chip select to HIGH
*/
mraa::Result lcdCSOff();
/**
* Set SD card chip select to LOW
*/
mraa::Result sdCSOn();
/**
* Set SD card chip select to HIGH
*/
mraa::Result sdCSOff();
/**
* Set data/command line to HIGH
*/
mraa::Result dcHigh();
/**
* Set data/command line to LOW
*/
mraa::Result dcLow();
/**
* Set reset line to HIGH
*/
mraa::Result rstHigh();
/**
* Set reset line to LOW
*/
mraa::Result rstLow();
private:
mraa::Spi m_spi;
uint8_t m_spiBuffer[32];
mraa::Gpio m_csLCDPinCtx;
mraa::Gpio m_csSDPinCtx;
mraa::Gpio m_dcPinCtx;
mraa::Gpio m_rstPinCtx;
std::string m_name;
};
}
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