Tijl Goens
/
EpaperdisplayII
tempcommit 13/05
epdif.cpp@2:048e163245b7, 2019-05-15 (annotated)
- Committer:
- tijl
- Date:
- Wed May 15 13:39:22 2019 +0000
- Revision:
- 2:048e163245b7
- Parent:
- 0:73f2160fef5a
blub 15/05;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Ruben_Heintjens | 0:73f2160fef5a | 1 | /** |
Ruben_Heintjens | 0:73f2160fef5a | 2 | * @filename : epdif.cpp |
Ruben_Heintjens | 0:73f2160fef5a | 3 | * @brief : Implements EPD interface functions |
Ruben_Heintjens | 0:73f2160fef5a | 4 | * Users have to implement all the functions in epdif.cpp |
Ruben_Heintjens | 0:73f2160fef5a | 5 | * @author : Yehui from Waveshare |
Ruben_Heintjens | 0:73f2160fef5a | 6 | * |
Ruben_Heintjens | 0:73f2160fef5a | 7 | * Copyright (C) Waveshare August 10 2017 |
Ruben_Heintjens | 0:73f2160fef5a | 8 | * |
Ruben_Heintjens | 0:73f2160fef5a | 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
Ruben_Heintjens | 0:73f2160fef5a | 10 | * of this software and associated documnetation files (the "Software"), to deal |
Ruben_Heintjens | 0:73f2160fef5a | 11 | * in the Software without restriction, including without limitation the rights |
Ruben_Heintjens | 0:73f2160fef5a | 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
Ruben_Heintjens | 0:73f2160fef5a | 13 | * copies of the Software, and to permit persons to whom the Software is |
Ruben_Heintjens | 0:73f2160fef5a | 14 | * furished to do so, subject to the following conditions: |
Ruben_Heintjens | 0:73f2160fef5a | 15 | * |
Ruben_Heintjens | 0:73f2160fef5a | 16 | * The above copyright notice and this permission notice shall be included in |
Ruben_Heintjens | 0:73f2160fef5a | 17 | * all copies or substantial portions of the Software. |
Ruben_Heintjens | 0:73f2160fef5a | 18 | * |
Ruben_Heintjens | 0:73f2160fef5a | 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Ruben_Heintjens | 0:73f2160fef5a | 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Ruben_Heintjens | 0:73f2160fef5a | 21 | * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Ruben_Heintjens | 0:73f2160fef5a | 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Ruben_Heintjens | 0:73f2160fef5a | 23 | * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Ruben_Heintjens | 0:73f2160fef5a | 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Ruben_Heintjens | 0:73f2160fef5a | 25 | * THE SOFTWARE. |
Ruben_Heintjens | 0:73f2160fef5a | 26 | */ |
Ruben_Heintjens | 0:73f2160fef5a | 27 | |
Ruben_Heintjens | 0:73f2160fef5a | 28 | #include "epdif.h" |
Ruben_Heintjens | 0:73f2160fef5a | 29 | #include "SPI.h" |
Ruben_Heintjens | 0:73f2160fef5a | 30 | |
Ruben_Heintjens | 0:73f2160fef5a | 31 | //DigitalOut cs_pin (D9); |
Ruben_Heintjens | 0:73f2160fef5a | 32 | |
Ruben_Heintjens | 0:73f2160fef5a | 33 | |
Ruben_Heintjens | 0:73f2160fef5a | 34 | EpdIf::EpdIf():_spi(D11,D12,D13),/*_cs(D9)*/dc_pin(D5),busy_pin(D3),reset_pin(A2),_cs(D9){ |
Ruben_Heintjens | 0:73f2160fef5a | 35 | int whoami = 20; |
Ruben_Heintjens | 0:73f2160fef5a | 36 | _spi.format(8,3); |
Ruben_Heintjens | 0:73f2160fef5a | 37 | _spi.frequency(2000000); |
Ruben_Heintjens | 0:73f2160fef5a | 38 | _cs = 0; |
Ruben_Heintjens | 0:73f2160fef5a | 39 | _spi.write(0x8F); |
Ruben_Heintjens | 0:73f2160fef5a | 40 | whoami = _spi.write(0x00); |
Ruben_Heintjens | 0:73f2160fef5a | 41 | printf( "pre print \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 42 | printf("WHOAMI register = 0x%X\r\n", whoami); |
Ruben_Heintjens | 0:73f2160fef5a | 43 | printf( "post print \r\n"); |
Ruben_Heintjens | 0:73f2160fef5a | 44 | _cs = 1; |
Ruben_Heintjens | 0:73f2160fef5a | 45 | }; |
Ruben_Heintjens | 0:73f2160fef5a | 46 | |
Ruben_Heintjens | 0:73f2160fef5a | 47 | //EpdIf::EpdIf() {}; |
Ruben_Heintjens | 0:73f2160fef5a | 48 | |
Ruben_Heintjens | 0:73f2160fef5a | 49 | EpdIf::~EpdIf(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 50 | }; |
Ruben_Heintjens | 0:73f2160fef5a | 51 | |
Ruben_Heintjens | 0:73f2160fef5a | 52 | void EpdIf::DigitalWrite(DigitalOut &pin, int value) { |
Ruben_Heintjens | 0:73f2160fef5a | 53 | //digitalWrite(pin, value); |
Ruben_Heintjens | 0:73f2160fef5a | 54 | pin = value; |
Ruben_Heintjens | 0:73f2160fef5a | 55 | //pin_val value; |
Ruben_Heintjens | 0:73f2160fef5a | 56 | } |
Ruben_Heintjens | 0:73f2160fef5a | 57 | |
Ruben_Heintjens | 0:73f2160fef5a | 58 | int EpdIf::DigitalRead(PinName &pin) { |
Ruben_Heintjens | 0:73f2160fef5a | 59 | //return DigitalOut(pin).read(); |
Ruben_Heintjens | 0:73f2160fef5a | 60 | //DigitalOut pin_val(pin); |
Ruben_Heintjens | 0:73f2160fef5a | 61 | return pin; |
Ruben_Heintjens | 0:73f2160fef5a | 62 | } |
Ruben_Heintjens | 0:73f2160fef5a | 63 | |
Ruben_Heintjens | 0:73f2160fef5a | 64 | void EpdIf::DelayMs(unsigned int delaytime) { |
Ruben_Heintjens | 0:73f2160fef5a | 65 | //delay(delaytime); |
Ruben_Heintjens | 0:73f2160fef5a | 66 | |
Ruben_Heintjens | 0:73f2160fef5a | 67 | wait ((((float)delaytime)/100)); |
Ruben_Heintjens | 0:73f2160fef5a | 68 | } |
Ruben_Heintjens | 0:73f2160fef5a | 69 | |
Ruben_Heintjens | 0:73f2160fef5a | 70 | void EpdIf::SpiTransfer(unsigned char data) { |
Ruben_Heintjens | 0:73f2160fef5a | 71 | //DigitalOut(CS_PIN, LOW); |
Ruben_Heintjens | 0:73f2160fef5a | 72 | //DigitalOut cs_pin(D9); |
Ruben_Heintjens | 0:73f2160fef5a | 73 | _cs = 0; |
Ruben_Heintjens | 0:73f2160fef5a | 74 | //SPI.transfer(data); |
Ruben_Heintjens | 0:73f2160fef5a | 75 | //_spi.transfer (*tx_buffer , 256,*rx_buffer,256,NULL,SPI_EVENT_COMPLETE); |
Ruben_Heintjens | 0:73f2160fef5a | 76 | //for (int i=0; i< 256; i++) |
Ruben_Heintjens | 0:73f2160fef5a | 77 | //{ |
Ruben_Heintjens | 0:73f2160fef5a | 78 | |
Ruben_Heintjens | 0:73f2160fef5a | 79 | int result = _spi.write(data); |
Ruben_Heintjens | 0:73f2160fef5a | 80 | //printf("SPI_transfer_reply %i\r\n",result); |
Ruben_Heintjens | 0:73f2160fef5a | 81 | |
Ruben_Heintjens | 0:73f2160fef5a | 82 | //} |
Ruben_Heintjens | 0:73f2160fef5a | 83 | |
Ruben_Heintjens | 0:73f2160fef5a | 84 | //DigitalOut(CS_PIN, HIGH); |
Ruben_Heintjens | 0:73f2160fef5a | 85 | _cs = 1; |
Ruben_Heintjens | 0:73f2160fef5a | 86 | } |
Ruben_Heintjens | 0:73f2160fef5a | 87 | |
Ruben_Heintjens | 0:73f2160fef5a | 88 | int EpdIf::IfInit(void) { |
Ruben_Heintjens | 0:73f2160fef5a | 89 | //pinMode(CS_PIN, OUTPUT); |
Ruben_Heintjens | 0:73f2160fef5a | 90 | //pinMode(RST_PIN, OUTPUT); |
Ruben_Heintjens | 0:73f2160fef5a | 91 | //pinMode(DC_PIN, OUTPUT); |
Ruben_Heintjens | 0:73f2160fef5a | 92 | //pinMode(BUSY_PIN, INPUT); |
Ruben_Heintjens | 0:73f2160fef5a | 93 | //_spi.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0)); |
Ruben_Heintjens | 0:73f2160fef5a | 94 | //_spi.begin(); |
Ruben_Heintjens | 0:73f2160fef5a | 95 | return 0; |
Ruben_Heintjens | 0:73f2160fef5a | 96 | } |
Ruben_Heintjens | 0:73f2160fef5a | 97 |