Tijl Goens
/
EpaperdisplayII
tempcommit 13/05
epdif.cpp
- Committer:
- tijl
- Date:
- 2019-05-15
- Revision:
- 2:048e163245b7
- Parent:
- 0:73f2160fef5a
File content as of revision 2:048e163245b7:
/** * @filename : epdif.cpp * @brief : Implements EPD interface functions * Users have to implement all the functions in epdif.cpp * @author : Yehui from Waveshare * * Copyright (C) Waveshare August 10 2017 * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documnetation 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 * furished 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 OR 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. */ #include "epdif.h" #include "SPI.h" //DigitalOut cs_pin (D9); EpdIf::EpdIf():_spi(D11,D12,D13),/*_cs(D9)*/dc_pin(D5),busy_pin(D3),reset_pin(A2),_cs(D9){ int whoami = 20; _spi.format(8,3); _spi.frequency(2000000); _cs = 0; _spi.write(0x8F); whoami = _spi.write(0x00); printf( "pre print \r\n"); printf("WHOAMI register = 0x%X\r\n", whoami); printf( "post print \r\n"); _cs = 1; }; //EpdIf::EpdIf() {}; EpdIf::~EpdIf(void) { }; void EpdIf::DigitalWrite(DigitalOut &pin, int value) { //digitalWrite(pin, value); pin = value; //pin_val value; } int EpdIf::DigitalRead(PinName &pin) { //return DigitalOut(pin).read(); //DigitalOut pin_val(pin); return pin; } void EpdIf::DelayMs(unsigned int delaytime) { //delay(delaytime); wait ((((float)delaytime)/100)); } void EpdIf::SpiTransfer(unsigned char data) { //DigitalOut(CS_PIN, LOW); //DigitalOut cs_pin(D9); _cs = 0; //SPI.transfer(data); //_spi.transfer (*tx_buffer , 256,*rx_buffer,256,NULL,SPI_EVENT_COMPLETE); //for (int i=0; i< 256; i++) //{ int result = _spi.write(data); //printf("SPI_transfer_reply %i\r\n",result); //} //DigitalOut(CS_PIN, HIGH); _cs = 1; } int EpdIf::IfInit(void) { //pinMode(CS_PIN, OUTPUT); //pinMode(RST_PIN, OUTPUT); //pinMode(DC_PIN, OUTPUT); //pinMode(BUSY_PIN, INPUT); //_spi.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0)); //_spi.begin(); return 0; }