add arduino code

5.83inch_e-paper_code/arduino/UNO/epd5in83-demo/epd5in83.cpp

@@ -0,0 +1,189 @@
+/**
+    @filename   :   epd5in83.h
+    @brief      :   Header file for e-paper library epd5in83.cpp
+    @author     :   MyMX from Waveshare
+
+    Copyright (C) Waveshare     April 6 2018
+
+   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 <stdlib.h>
+#include "epd5in83.h"
+
+Epd::~Epd() {
+};
+
+Epd::Epd() {
+  reset_pin = RST_PIN;
+  dc_pin = DC_PIN;
+  cs_pin = CS_PIN;
+  busy_pin = BUSY_PIN;
+  width = EPD_WIDTH;
+  height = EPD_HEIGHT;
+};
+
+int Epd::Init(void) {
+  if (IfInit() != 0) {
+    return -1;
+  }
+  Reset();
+
+  SendCommand(POWER_SETTING);
+  SendData(0x37);
+  SendData(0x00);
+
+  SendCommand(PANEL_SETTING);
+  SendData(0xCF);
+  SendData(0x08);
+
+  SendCommand(BOOSTER_SOFT_START);
+  SendData(0xc7);
+  SendData(0xcc);
+  SendData(0x28);
+
+  SendCommand(POWER_ON);
+  WaitUntilIdle();
+
+  SendCommand(PLL_CONTROL);
+  SendData(0x3c);
+
+  SendCommand(TEMPERATURE_CALIBRATION);
+  SendData(0x00);
+
+  SendCommand(VCOM_AND_DATA_INTERVAL_SETTING);
+  SendData(0x77);
+
+  SendCommand(TCON_SETTING);
+  SendData(0x22);
+
+  SendCommand(TCON_RESOLUTION);
+  SendData(width >> 8);     //source 640
+  SendData(width & 0xff);
+  SendData(height >> 8);     //gate 384
+  SendData(height & 0xff);
+
+  SendCommand(VCM_DC_SETTING);
+  SendData(0x1E);      //decide by LUT file
+
+  SendCommand(0xe5);           //FLASH MODE
+  SendData(0x03);
+
+  return 0;
+}
+
+/**
+    @brief: basic function for sending commands
+*/
+void Epd::SendCommand(unsigned char command) {
+  DigitalWrite(dc_pin, LOW);
+  SpiTransfer(command);
+}
+
+/**
+    @brief: basic function for sending data
+*/
+void Epd::SendData(unsigned char data) {
+  DigitalWrite(dc_pin, HIGH);
+  SpiTransfer(data);
+}
+
+/**
+    @brief: Wait until the busy_pin goes HIGH
+*/
+void Epd::WaitUntilIdle(void) {
+  while (DigitalRead(busy_pin) == 0) {     //0: busy, 1: idle
+    DelayMs(100);
+  }
+}
+
+/**
+    @brief: module reset.
+            often used to awaken the module in deep sleep,
+            see Epd::Sleep();
+*/
+void Epd::Reset(void) {
+  DigitalWrite(reset_pin, LOW);                //module reset
+  DelayMs(200);
+  DigitalWrite(reset_pin, HIGH);
+  DelayMs(200);
+}
+
+void Epd::DisplayFrame(const unsigned char* frame_buffer) {
+  unsigned char temp1, temp2;
+  unsigned int n;
+  SendCommand(DATA_START_TRANSMISSION_1);
+
+  for (long i = 0; i <height / 2 ; i++) {
+    for (long j = 0; j < 38; j++) {
+          temp1 = pgm_read_byte(&frame_buffer[i * 38 + j] );
+          for(unsigned char k = 0; k < 8; k++) {
+              if(temp1 & 0x80)
+                  temp2 = 0x03;
+              else
+                  temp2 = 0x00;
+              
+              temp2 <<= 4;
+              temp1 <<= 1;
+              k++;
+              if(temp1 & 0x80)
+                  temp2 |= 0x03;
+              else
+                  temp2 |= 0x00;
+              temp1 <<= 1;
+              if((j * 4 + k / 2) < 150){
+                SendData(temp2); 
+              }
+          }
+    }
+    for (long j = 0; j < width / 4; j++) {
+      SendData(0x33);
+    }
+  }
+  for (long i = 0; i <height / 2 ; i++) {
+    for (long j = 0; j < width / 4; j++) {
+      SendData(0x33);
+    }
+    for (long j = 0; j < width / 4; j++) {
+      SendData(0x00);
+    }
+  }
+  SendCommand(DISPLAY_REFRESH);
+  DelayMs(100);
+  WaitUntilIdle();
+}
+
+/**
+    @brief: After this command is transmitted, the chip would enter the
+            deep-sleep mode to save power.
+            The deep sleep mode would return to standby by hardware reset.
+            The only one parameter is a check code, the command would be
+            executed if check code = 0xA5.
+            You can use EPD_Reset() to awaken
+*/
+void Epd::Sleep(void) {
+  SendCommand(POWER_OFF);
+  WaitUntilIdle();
+  SendCommand(DEEP_SLEEP);
+  SendData(0xa5);
+}
+
+/* END OF FILE */
+
+