321 lines
13 KiB
C++
321 lines
13 KiB
C++
#ifndef __INKPLATE_H__
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#define __INKPLATE_H__
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#if ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#ifndef ARDUINO_ESP32_DEV
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#error "Wrong board selected! Select ESP32 Wrover from board menu!"
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#endif
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#include "Adafruit_GFX.h"
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#include "Wire.h"
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#include "SPI.h"
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#include "SdFat.h"
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#include "WiFiClient.h"
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#include "Triangulate.h"
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#define MCP23017_ADDR 0x20
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#define MCP23017_INT_PORTA 0x00
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#define MCP23017_INT_PORTB 0x01
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#define MCP23017_INT_NO_MIRROR false
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#define MCP23017_INT_MIRROR true
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#define MCP23017_INT_PUSHPULL false
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#define MCP23017_INT_OPENDRAIN true
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#define MCP23017_INT_ACTLOW false
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#define MCP23017_INT_ACTHIGH true
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#define MCP23017_IODIRA 0x00
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#define MCP23017_IPOLA 0x02
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#define MCP23017_GPINTENA 0x04
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#define MCP23017_DEFVALA 0x06
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#define MCP23017_INTCONA 0x08
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#define MCP23017_IOCONA 0x0A
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#define MCP23017_GPPUA 0x0C
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#define MCP23017_INTFA 0x0E
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#define MCP23017_INTCAPA 0x10
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#define MCP23017_GPIOA 0x12
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#define MCP23017_OLATA 0x14
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#define MCP23017_IODIRB 0x01
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#define MCP23017_IPOLB 0x03
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#define MCP23017_GPINTENB 0x05
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#define MCP23017_DEFVALB 0x07
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#define MCP23017_INTCONB 0x09
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#define MCP23017_IOCONB 0x0B
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#define MCP23017_GPPUB 0x0D
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#define MCP23017_INTFB 0x0F
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#define MCP23017_INTCAPB 0x11
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#define MCP23017_GPIOB 0x13
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#define MCP23017_OLATB 0x15
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#define INKPLATE_GAMMA 1.45
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#define E_INK_WIDTH 800
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#define E_INK_HEIGHT 600
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#define BLACK 1
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#define WHITE 0
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#define GPIO0_ENABLE 8
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#define INKPLATE_1BIT 0
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#define INKPLATE_3BIT 1
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#define PAD1 0
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#define PAD2 1
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#define PAD3 2
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#define DATA 0x0E8C0030 //D0-D7 = GPIO4 GPIO5 GPIO18 GPIO19 GPIO23 GPIO25 GPIO26 GPIO27
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#define CL 0x01 //GPIO0
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#define CL_SET \
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{ \
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GPIO.out_w1ts = CL; \
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}
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#define CL_CLEAR \
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{ \
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GPIO.out_w1tc = CL; \
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}
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#define LE 0x04 //GPIO2
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#define LE_SET \
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{ \
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GPIO.out_w1ts = LE; \
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}
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#define LE_CLEAR \
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{ \
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GPIO.out_w1tc = LE; \
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}
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#define CKV 0x01 //GPIO32
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#define CKV_SET \
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{ \
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GPIO.out1_w1ts.val = CKV; \
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}
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#define CKV_CLEAR \
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{ \
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GPIO.out1_w1tc.val = CKV; \
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}
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#define SPH 0x02 //GPIO33
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#define SPH_SET \
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{ \
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GPIO.out1_w1ts.val = SPH; \
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}
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#define SPH_CLEAR \
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{ \
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GPIO.out1_w1tc.val = SPH; \
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}
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//#define SPV 15 //GPIO15
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//#define SPV_SET {digitalWrite(SPV, HIGH);}
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//#define SPV_CLEAR {digitalWrite(SPV, LOW);}
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//I/O Expander - A Channel
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#define GMOD 1 //GPIOA1
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#define GMOD_SET \
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{ \
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digitalWriteMCP(GMOD, HIGH); \
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}
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#define GMOD_CLEAR \
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{ \
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digitalWriteMCP(GMOD, LOW); \
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}
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#define OE 0 //GPIOA0
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#define OE_SET \
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{ \
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digitalWriteMCP(OE, HIGH); \
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}
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#define OE_CLEAR \
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{ \
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digitalWriteMCP(OE, LOW); \
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}
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#define SPV 2 //GPIOA5
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#define SPV_SET \
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{ \
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digitalWriteMCP(SPV, HIGH); \
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}
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#define SPV_CLEAR \
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{ \
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digitalWriteMCP(SPV, LOW); \
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}
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#define WAKEUP 3 //GPIOA3
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#define WAKEUP_SET \
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{ \
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digitalWriteMCP(WAKEUP, HIGH); \
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}
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#define WAKEUP_CLEAR \
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{ \
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digitalWriteMCP(WAKEUP, LOW); \
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}
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#define PWRUP 4 //GPIOA4
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#define PWRUP_SET \
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{ \
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digitalWriteMCP(PWRUP, HIGH); \
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}
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#define PWRUP_CLEAR \
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{ \
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digitalWriteMCP(PWRUP, LOW); \
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}
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#define VCOM 5 //GPIOA6
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#define VCOM_SET \
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{ \
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digitalWriteMCP(VCOM, HIGH); \
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}
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#define VCOM_CLEAR \
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{ \
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digitalWriteMCP(VCOM, LOW); \
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}
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#define CKV_CLOCK ckvClock();
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#ifndef _swap_int16_t
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#define _swap_int16_t(a, b) \
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{ \
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int16_t t = a; \
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a = b; \
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b = t; \
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}
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#endif
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//extern Adafruit_MCP23017 mcp;
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extern SPIClass spi2;
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extern SdFat sd;
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static void ckvClock();
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static void usleep1();
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class Inkplate : public Adafruit_GFX
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{
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public:
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uint8_t *D_memory_new;
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uint8_t *_partial;
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uint8_t *D_memory4Bit;
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uint8_t *_pBuffer;
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const uint8_t LUT2[16] = {B10101010, B10101001, B10100110, B10100101, B10011010, B10011001, B10010110, B10010101, B01101010, B01101001, B01100110, B01100101, B01011010, B01011001, B01010110, B01010101};
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const uint8_t LUTW[16] = {B11111111, B11111110, B11111011, B11111010, B11101111, B11101110, B11101011, B11101010, B10111111, B10111110, B10111011, B10111010, B10101111, B10101110, B10101011, B10101010};
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const uint8_t LUTB[16] = {B11111111, B11111101, B11110111, B11110101, B11011111, B11011101, B11010111, B11010101, B01111111, B01111101, B01110111, B01110101, B01011111, B01011101, B01010111, B01010101};
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const uint8_t pixelMaskLUT[8] = {B00000001, B00000010, B00000100, B00001000, B00010000, B00100000, B01000000, B10000000};
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const uint8_t pixelMaskGLUT[2] = {B00001111, B11110000};
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const uint8_t discharge[16] = {B11111111, B11111100, B11110011, B11110000, B11001111, B11001100, B11000011, B11000000, B00111111, B00111100, B00110011, B00110000, B00001111, B00001100, B00000011, B00000000};
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//BLACK->WHITE
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//THIS IS OKAYISH WAVEFORM FOR GRAYSCALE. IT CAN BE MUCH BETTER.
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const uint8_t waveform3Bit[8][8] = {{0, 0, 0, 0, 1, 1, 1, 0}, {1, 2, 2, 2, 1, 1, 1, 0}, {0, 1, 2, 1, 1, 2, 1, 0}, {0, 2, 1, 2, 1, 2, 1, 0}, {0, 0, 0, 1, 1, 1, 2, 0}, {2, 1, 1, 1, 2, 1, 2, 0}, {1, 1, 1, 2, 1, 2, 2, 0}, {0, 0, 0, 0, 0, 0, 2, 0}};
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//const uint8_t waveform3Bit[8][12] = {{3,3,3,1,1,1,1,1,1,1,2,0}, {3,3,3,3,1,1,1,1,1,1,2,0}, {3,3,3,3,3,1,1,1,1,1,2,0}, {3,3,3,3,3,3,1,1,1,1,2,0}, {3,3,3,3,3,3,3,1,1,1,2,0}, {3,3,3,3,3,3,3,2,1,1,2,0}, {3,3,3,3,3,3,3,3,3,1,2,0}, {3,3,3,3,3,3,3,3,3,3,2,0}};
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//const uint8_t waveform3Bit[16][12] = {{0,0,0,0,0,0,1,2,1,1,0,3},{0,0,1,1,1,2,2,2,1,1,0,3},{0,0,0,1,1,2,2,2,1,1,0,3}, {0,0,0,1,2,1,2,1,2,1,3}, {0,0,2,1,2,1,2,1,2,1,3}, {0,0,1,2,2,1,1,1,1,2,0,3}, {0,0,0,2,1,1,1,1,0,2,0,3}, {0,0,2,1,2,2,1,1,1,2,0,3}, {0,0,0,2,2,2,1,1,1,2,0,3}, {0,0,0,0,0,0,2,1,1,2,0,3}, {0,0,0,0,0,2,2,1,1,2,0,3}, {0,0,0,0,0,1,1,1,2,2,0,3}, {0,0,0,0,1,2,1,2,1,2,0,3}, {0,0,0,0,1,1,2,2,1,2,0,3},{0,0,0,0,1,1,1,2,2,2,0,3}, {0,0,0,0,0,0,0,0,0,2,0,3}};
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//PVI waveform for cleaning screen, not sure if it is correct, but it cleans screen properly.
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const uint32_t waveform[50] = {0x00000008, 0x00000008, 0x00200408, 0x80281888, 0x60a81898, 0x60a8a8a8, 0x60a8a8a8, 0x6068a868, 0x6868a868, 0x6868a868, 0x68686868, 0x6a686868, 0x5a686868, 0x5a686868, 0x5a586a68, 0x5a5a6a68, 0x5a5a6a68, 0x55566a68, 0x55565a64, 0x55555654, 0x55555556, 0x55555556, 0x55555556, 0x55555516, 0x55555596, 0x15555595, 0x95955595, 0x95959595, 0x95949495, 0x94949495, 0x94949495, 0xa4949494, 0x9494a4a4, 0x84a49494, 0x84948484, 0x84848484, 0x84848484, 0x84848484, 0xa5a48484, 0xa9a4a4a8, 0xa9a8a8a8, 0xa5a9a9a4, 0xa5a5a5a4, 0xa1a5a5a1, 0xa9a9a9a9, 0xa9a9a9a9, 0xa9a9a9a9, 0xa9a9a9a9, 0x15151515, 0x11111111};
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struct bitmapHeader
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{
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uint16_t signature;
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uint32_t fileSize;
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uint32_t startRAW;
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uint32_t dibHeaderSize;
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uint32_t width;
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uint32_t height;
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uint16_t color;
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uint32_t compression;
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};
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Inkplate(uint8_t _mode);
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void begin(void);
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uint16_t getPixel(int16_t x0, int16_t y0);
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void drawPixel(int16_t x0, int16_t y0, uint16_t color);
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void clearDisplay();
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void display();
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void partialUpdate();
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void drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h);
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void setRotation(uint8_t);
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void einkOff(void);
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void einkOn(void);
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void selectDisplayMode(uint8_t _mode);
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uint8_t getDisplayMode();
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int drawBitmapFromSD(SdFile *p, int x, int y, bool dither = false, bool invert = false);
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int drawBitmapFromSD(char *fileName, int x, int y, bool dither = false, bool invert = false);
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int drawBitmapFromWeb(WiFiClient *s, int x, int y, int len, bool dither = false, bool invert = false);
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int drawBitmapFromWeb(char *url, int x, int y, bool dither = false, bool invert = false);
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int drawJpegFromSD(Inkplate *display, SdFile *p, int x, int y, bool dither = false, bool invert = false);
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int drawJpegFromSD(Inkplate *display, char *fileName, int x, int y, bool dither = false, bool invert = false);
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int drawJpegFromWeb(Inkplate *display, WiFiClient *s, int x, int y, int len, bool dither = false, bool invert = false);
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int drawJpegFromWeb(Inkplate *display, char *url, int x, int y, bool dither = false, bool invert = false);
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void drawElipse(int rx, int ry, int xc, int yc, int c);
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void fillElipse(int rx, int ry, int xc, int yc, int c);
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void drawPolygon(int *x, int *y, int n, int color);
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void fillPolygon(int *x, int *y, int n, int color);
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void drawThickLine(int x1, int y1, int x2, int y2, int color, float thickness);
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void drawGradientLine(int x1, int y1, int x2, int y2, int color1, int color2, float thickness = -1);
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int sdCardInit();
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SdFat getSdFat();
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SPIClass getSPI();
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uint8_t getPanelState();
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uint8_t readTouchpad(uint8_t);
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int8_t readTemperature();
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double readBattery();
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void vscan_start();
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void vscan_write();
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void hscan_start(uint32_t _d = 0);
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void vscan_end();
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void clean();
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void cleanFast(uint8_t c, uint8_t rep);
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void cleanFast2(uint8_t c, uint8_t n, uint16_t d);
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void pinsZstate();
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void pinsAsOutputs();
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void pinModeMCP(uint8_t _pin, uint8_t _mode);
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void digitalWriteMCP(uint8_t _pin, uint8_t _state);
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uint8_t digitalReadMCP(uint8_t _pin);
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void setIntOutput(uint8_t intPort, uint8_t mirroring, uint8_t openDrain, uint8_t polarity);
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void setIntPin(uint8_t _pin, uint8_t _mode);
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void removeIntPin(uint8_t _pin);
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uint16_t getINT();
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uint16_t getINTstate();
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void setPorts(uint16_t _d);
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uint16_t getPorts();
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private:
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uint8_t gammaLUT[256];
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uint8_t mcpRegsInt[22];
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uint8_t pixelBuffer[800 * 3 + 5];
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uint8_t ditherBuffer[800 * 3 + 5][2];
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int8_t _temperature;
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uint8_t _panelOn = 0;
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uint8_t _rotation = 0;
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uint8_t _displayMode = 0; //By default, 1 bit mode is used
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int sdCardOk = 0;
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uint8_t _blockPartial = 1;
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uint8_t _beginDone = 0;
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Triangulate triangulate;
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void display1b();
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void display3b();
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uint32_t read32(uint8_t *c);
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uint16_t read16(uint8_t *c);
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void ditherStart(uint8_t *pixelBuffer, uint8_t *bufferPtr, int w, bool invert, uint8_t bits);
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void ditherLoadNextLine(uint8_t *pixelBuffer, uint8_t *bufferPtr, int w, bool invert, uint8_t bits);
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uint8_t ditherGetPixel(int i, int j, int w, int h);
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uint8_t ditherSwap(int w);
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void readBmpHeaderSd(SdFile *_f, struct bitmapHeader *_h);
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void readBmpHeaderWeb(WiFiClient *_s, struct bitmapHeader *_h);
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int drawMonochromeBitmapSd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool invert);
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int drawGrayscaleBitmap4Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool dither, bool invert);
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int drawGrayscaleBitmap8Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool dither, bool invert);
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int drawGrayscaleBitmap24Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool dither, bool invert);
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int drawMonochromeBitmapWeb(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert);
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int drawGrayscaleBitmap4Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool dither, bool invert);
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int drawGrayscaleBitmap8Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool dither, bool invert);
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int drawGrayscaleBitmap24Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool dither, bool invert);
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void precalculateGamma(uint8_t *c, float gamma);
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bool mcpBegin(uint8_t _addr, uint8_t* _r);
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void readMCPRegisters(uint8_t _addr, uint8_t *k);
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void readMCPRegisters(uint8_t _addr, uint8_t _regName, uint8_t *k, uint8_t _n);
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void readMCPRegister(uint8_t _addr, uint8_t _regName, uint8_t *k);
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void updateAllRegisters(uint8_t _addr, uint8_t *k);
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void updateRegister(uint8_t _addr, uint8_t _regName, uint8_t _d);
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void updateRegister(uint8_t _addr, uint8_t _regName, uint8_t *k, uint8_t _n);
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};
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#endif
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