Gerrit Pathuis / Mbed 2 deprecated Epaper_epd1in54_Waveshare

E_paper, E_ink, Screen size 1.54", resolution 200x200, 4 wire spi, Waveshare, Black and White, Kl25Z, 8 wire print connector, supply 3.3 Volt, IL0373 Controller, font size is 8, 12, 16 and 24.

Dependencies:   mbed

epdif.cpp@10:08e026240a5f, 2018-03-31 (annotated)

Committer:
GerritPathuis
Date:
Sat Mar 31 08:40:16 2018 +0000
Revision:
10:08e026240a5f
Parent:
8:01db118d1694 
Minor text update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GerritPathuis 0:665e04c85d8d 1 /**
GerritPathuis 0:665e04c85d8d 2 * @filename : epdif.cpp
GerritPathuis 0:665e04c85d8d 3 * @brief : Implements EPD interface functions
GerritPathuis 0:665e04c85d8d 4 * Users have to implement all the functions in epdif.cpp
GerritPathuis 0:665e04c85d8d 5 * @author : Yehui from Waveshare
GerritPathuis 0:665e04c85d8d 6 *
GerritPathuis 0:665e04c85d8d 7 * Copyright (C) Waveshare August 10 2017
GerritPathuis 0:665e04c85d8d 8 *
GerritPathuis 0:665e04c85d8d 9 * Permission is hereby granted, free of charge, to any person obtaining a copy
GerritPathuis 0:665e04c85d8d 10 * of this software and associated documnetation files (the "Software"), to deal
GerritPathuis 0:665e04c85d8d 11 * in the Software without restriction, including without limitation the rights
GerritPathuis 0:665e04c85d8d 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
GerritPathuis 0:665e04c85d8d 13 * copies of the Software, and to permit persons to whom the Software is
GerritPathuis 0:665e04c85d8d 14 * furished to do so, subject to the following conditions:
GerritPathuis 0:665e04c85d8d 15 *
GerritPathuis 0:665e04c85d8d 16 * The above copyright notice and this permission notice shall be included in
GerritPathuis 0:665e04c85d8d 17 * all copies or substantial portions of the Software.
GerritPathuis 0:665e04c85d8d 18 *
GerritPathuis 0:665e04c85d8d 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
GerritPathuis 0:665e04c85d8d 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
GerritPathuis 0:665e04c85d8d 21 * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
GerritPathuis 0:665e04c85d8d 22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
GerritPathuis 0:665e04c85d8d 23 * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
GerritPathuis 0:665e04c85d8d 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
GerritPathuis 0:665e04c85d8d 25 * THE SOFTWARE.
GerritPathuis 0:665e04c85d8d 26 */
GerritPathuis 0:665e04c85d8d 27
GerritPathuis 6:469fb6b0d26d 28 #include "epdif.h"
GerritPathuis 6:469fb6b0d26d 29 #include "epd1in54.h"
GerritPathuis 1:d27a7e06c233 30
GerritPathuis 6:469fb6b0d26d 31 extern DigitalOut reset_pin;
GerritPathuis 6:469fb6b0d26d 32 extern DigitalOut dc_pin;
GerritPathuis 6:469fb6b0d26d 33 extern DigitalOut cs_pin;
GerritPathuis 6:469fb6b0d26d 34 extern DigitalIn busy_pin;
GerritPathuis 6:469fb6b0d26d 35 extern SPI epaper;
GerritPathuis 7:25cadf37fd86 36 extern DigitalOut myled;
GerritPathuis 0:665e04c85d8d 37
GerritPathuis 1:d27a7e06c233 38 EpdIf::EpdIf()
GerritPathuis 1:d27a7e06c233 39 {
GerritPathuis 1:d27a7e06c233 40 };
GerritPathuis 0:665e04c85d8d 41
GerritPathuis 1:d27a7e06c233 42 EpdIf::~EpdIf()
GerritPathuis 1:d27a7e06c233 43 {
GerritPathuis 0:665e04c85d8d 44 };
GerritPathuis 0:665e04c85d8d 45
GerritPathuis 0:665e04c85d8d 46
GerritPathuis 1:d27a7e06c233 47 void EpdIf::DigitalWrite(int pin, int value)
GerritPathuis 1:d27a7e06c233 48 {
GerritPathuis 1:d27a7e06c233 49 using namespace std;
GerritPathuis 1:d27a7e06c233 50 switch(pin) {
GerritPathuis 1:d27a7e06c233 51 case 0:
GerritPathuis 2:d7fc318a1528 52 reset_pin.write(value);
GerritPathuis 1:d27a7e06c233 53 break;
GerritPathuis 1:d27a7e06c233 54 case 1:
GerritPathuis 1:d27a7e06c233 55 dc_pin.write(value);
GerritPathuis 1:d27a7e06c233 56 break;
GerritPathuis 1:d27a7e06c233 57 case 2:
GerritPathuis 1:d27a7e06c233 58 cs_pin.write(value);
GerritPathuis 1:d27a7e06c233 59 break;
GerritPathuis 1:d27a7e06c233 60 }
GerritPathuis 0:665e04c85d8d 61 }
GerritPathuis 0:665e04c85d8d 62
GerritPathuis 1:d27a7e06c233 63 int EpdIf::DigitalRead(int pin)
GerritPathuis 1:d27a7e06c233 64 {
GerritPathuis 2:d7fc318a1528 65 return busy_pin.read();
GerritPathuis 1:d27a7e06c233 66 }
GerritPathuis 1:d27a7e06c233 67
GerritPathuis 1:d27a7e06c233 68 void EpdIf::DelayMs(unsigned int delaytime)
GerritPathuis 1:d27a7e06c233 69 {
GerritPathuis 1:d27a7e06c233 70 wait_ms(delaytime);
GerritPathuis 0:665e04c85d8d 71 }
GerritPathuis 0:665e04c85d8d 72
GerritPathuis 1:d27a7e06c233 73 void EpdIf::SpiTransfer(unsigned char data)
GerritPathuis 1:d27a7e06c233 74 {
GerritPathuis 1:d27a7e06c233 75 cs_pin.write(LOW);
GerritPathuis 1:d27a7e06c233 76 epaper.write(data);
GerritPathuis 1:d27a7e06c233 77 cs_pin.write(HIGH);
GerritPathuis 0:665e04c85d8d 78 }
GerritPathuis 0:665e04c85d8d 79
GerritPathuis 1:d27a7e06c233 80 int EpdIf::IfInit(void)
GerritPathuis 1:d27a7e06c233 81 {
GerritPathuis 8:01db118d1694 82 epaper.frequency(2000000);
GerritPathuis 7:25cadf37fd86 83 //epaper.format(8,0);
GerritPathuis 1:d27a7e06c233 84 //SPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0));
GerritPathuis 0:665e04c85d8d 85 return 0;
GerritPathuis 0:665e04c85d8d 86 }
GerritPathuis 0:665e04c85d8d 87
GerritPathuis 0:665e04c85d8d 88