ROM Comm / epd1in54

early testing of epaper and rotary encoder

Dependents:   e-ink-test_menu

epdif.cpp@1:75b1993d74b1, 2019-03-04 (annotated)

Committer:
RogerJKelly
Date:
Mon Mar 04 21:43:23 2019 +0000
Revision:
1:75b1993d74b1
Parent:
0:ac97d71fe296 
Early testing of epaper display and encoder

Who changed what in which revision?

UserRevisionLine numberNew contents of line
imachooon 0:ac97d71fe296 1 /**
imachooon 0:ac97d71fe296 2 * @filename : epdif.cpp
imachooon 0:ac97d71fe296 3 * @brief : Implements EPD interface functions
imachooon 0:ac97d71fe296 4 * Users have to implement all the functions in epdif.cpp
imachooon 0:ac97d71fe296 5 * @author : Yehui from Waveshare
imachooon 0:ac97d71fe296 6 *
imachooon 0:ac97d71fe296 7 * Copyright (C) Waveshare August 10 2017
imachooon 0:ac97d71fe296 8 *
imachooon 0:ac97d71fe296 9 * Permission is hereby granted, free of charge, to any person obtaining a copy
imachooon 0:ac97d71fe296 10 * of this software and associated documnetation files (the "Software"), to deal
imachooon 0:ac97d71fe296 11 * in the Software without restriction, including without limitation the rights
imachooon 0:ac97d71fe296 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
imachooon 0:ac97d71fe296 13 * copies of the Software, and to permit persons to whom the Software is
imachooon 0:ac97d71fe296 14 * furished to do so, subject to the following conditions:
imachooon 0:ac97d71fe296 15 *
imachooon 0:ac97d71fe296 16 * The above copyright notice and this permission notice shall be included in
imachooon 0:ac97d71fe296 17 * all copies or substantial portions of the Software.
imachooon 0:ac97d71fe296 18 *
imachooon 0:ac97d71fe296 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
imachooon 0:ac97d71fe296 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
imachooon 0:ac97d71fe296 21 * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
imachooon 0:ac97d71fe296 22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
imachooon 0:ac97d71fe296 23 * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
imachooon 0:ac97d71fe296 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
imachooon 0:ac97d71fe296 25 * THE SOFTWARE.
imachooon 0:ac97d71fe296 26 */
imachooon 0:ac97d71fe296 27
imachooon 0:ac97d71fe296 28 #include "epdif.h"
imachooon 0:ac97d71fe296 29 EpdIf::EpdIf(){
imachooon 0:ac97d71fe296 30 }
imachooon 0:ac97d71fe296 31 EpdIf::EpdIf(PinName mosi,
imachooon 0:ac97d71fe296 32 PinName miso,
imachooon 0:ac97d71fe296 33 PinName sclk,
imachooon 0:ac97d71fe296 34 PinName cs,
imachooon 0:ac97d71fe296 35 PinName dc,
imachooon 0:ac97d71fe296 36 PinName rst,
imachooon 0:ac97d71fe296 37 PinName busy) {
imachooon 0:ac97d71fe296 38 m_spi = new SPI(mosi, miso, sclk);
imachooon 0:ac97d71fe296 39 m_cs = new DigitalOut(cs);
imachooon 0:ac97d71fe296 40 m_dc = new DigitalOut(dc);
imachooon 0:ac97d71fe296 41 m_rst = new DigitalOut(rst);
imachooon 0:ac97d71fe296 42 m_busy = new DigitalIn(busy);
imachooon 0:ac97d71fe296 43 }
imachooon 0:ac97d71fe296 44
imachooon 0:ac97d71fe296 45 EpdIf::~EpdIf() {
imachooon 0:ac97d71fe296 46 }
imachooon 0:ac97d71fe296 47
imachooon 0:ac97d71fe296 48 void EpdIf::DigitalWrite(DigitalOut* pout, int value) {
imachooon 0:ac97d71fe296 49 *pout = value;
imachooon 0:ac97d71fe296 50 }
imachooon 0:ac97d71fe296 51
imachooon 0:ac97d71fe296 52 int EpdIf::DigitalRead(DigitalIn* pin) {
imachooon 0:ac97d71fe296 53 int ret = *pin;
imachooon 0:ac97d71fe296 54 return ret;
imachooon 0:ac97d71fe296 55 }
imachooon 0:ac97d71fe296 56
imachooon 0:ac97d71fe296 57 void EpdIf::DelayMs(unsigned int delaytime) {
imachooon 0:ac97d71fe296 58 wait_ms(delaytime);
imachooon 0:ac97d71fe296 59 }
imachooon 0:ac97d71fe296 60
imachooon 0:ac97d71fe296 61 void EpdIf::SpiTransfer(unsigned char data) {
imachooon 0:ac97d71fe296 62 *m_cs = 0;
imachooon 0:ac97d71fe296 63 m_spi->write(data);
imachooon 0:ac97d71fe296 64 *m_cs = 1;
imachooon 0:ac97d71fe296 65 }
imachooon 0:ac97d71fe296 66
imachooon 0:ac97d71fe296 67 int EpdIf::IfInit(void){
imachooon 0:ac97d71fe296 68 m_spi->format(8,0);
imachooon 0:ac97d71fe296 69 m_spi->frequency(2000000);
imachooon 0:ac97d71fe296 70 return 0;
imachooon 0:ac97d71fe296 71 }
imachooon 0:ac97d71fe296 72
imachooon 0:ac97d71fe296 73