#include "SPI.h"//测试用，写的很屎

const int CSPIN = 3;
const int InterruptPin = 2;
int DataPending[2][16];
int DISPSTATUS = 0x00;
const int IMAGE[2][8][16] PROGMEM = {
  { { B00000000, B00000000, B00000110, B00110000, B00000000, B00000000, B00000000, B10000000, B00000000, B00000000, B00000001, B00000000, B00000000, B00000000, B00001100, B01100000 },
    { B00000000, B00000000, B00001111, B01111000, B00000000, B00000000, B00000000, B11000000, B00000000, B00000000, B00000011, B00000000, B00000000, B00000000, B00011110, B11110000 },
    { B00000000, B00000000, B00001111, B11111000, B00000000, B00000000, B00000000, B01100000, B00000000, B00000000, B00000110, B00000000, B00000000, B00000000, B00011111, B11110000 },
    { B00000000, B00000000, B00001111, B11111000, B00000000, B00000000, B00000000, B00110000, B00000001, B10000000, B00001100, B00000000, B00000000, B00000000, B00011111, B11110000 },
    { B00000000, B00000000, B00000111, B11110000, B00000000, B00000000, B00000000, B00011100, B00000011, B11000000, B00111000, B00000000, B00000000, B00000000, B00001111, B11100000 },
    { B00000000, B00000000, B00000111, B11110000, B00000000, B00000000, B00000000, B00000111, B10000111, B11100001, B11100000, B00000000, B00000000, B00000000, B00001111, B11100000 },
    { B00000000, B00000000, B00000011, B11100000, B00000000, B00000000, B00000000, B00000001, B11111110, B01111111, B10000000, B00000000, B00000000, B00000000, B00000111, B11000000 },
    { B00000000, B00000000, B00000001, B11000000, B00000000, B00000000, B00000000, B00000000, B00111000, B00011100, B00000000, B00000000, B00000000, B00000000, B00000011, B10000000 } },
  { { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 },
    { B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000 } }
};
int IMAGEBUFFER[8][16];
int EMOCNT = 2 - 1;
void setup() {
  // put your setup code here, to run once:

  pinMode(CSPIN, OUTPUT);
  pinMode(InterruptPin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(InterruptPin), SWITCHEMO, RISING);
  SPI.beginTransaction(SPISettings(8000000, MSBFIRST, SPI_MODE0));
  for (int INIi = 1; INIi >= 0; INIi--) {
    for (int INIj = 15; INIj >= 0; INIj--) {
      DataPending[INIi][INIj] = 0x00;
    }
  }
  SetIntensity(0x08);
  SetDECODE();
}

void loop() {
  // put your main code here, to run repeatedly:
  switch (DISPSTATUS) {
    case 0x00:
      DISPEMOX(0);
      delay(100);
      break;
    case 0x01:
      DISPEMOX(1);
      delay(100);
      break;
  }
}

void SendDATA() {
  digitalWrite(CSPIN, LOW);
  for (int SDi = 15; SDi >=0; SDi--) {

    SPI.transfer(DataPending[0][SDi]);  //transfer Reg
    SPI.transfer(DataPending[1][SDi]);  //transfer DATA
  }
  digitalWrite(CSPIN, HIGH);
}
void SetIntensity(int Intens[]) {  //set Intensity
  for (int Row = 8; Row >= 1; Row--) {
    for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
      DataPending[0][CNTR1] = Row;  //set test as no
      DataPending[1][CNTR1] = 0x00;
    }
    SendDATA();
    delay(200);
  }
  for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
    DataPending[0][CNTR1] = 0x0a;  //set all buffer as intensity data
    DataPending[1][CNTR1] = Intens;
  }
  SendDATA();
}

void SetDECODE() {  //set Decodemode as no decode
  for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
    DataPending[0][CNTR1] = 0x09;  //set all buffer as intensity data
    DataPending[1][CNTR1] = 0x00;
  }
  SendDATA();
  for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
    DataPending[0][CNTR1] = 0x0B;  //set scan 0~7
    DataPending[1][CNTR1] = 0x07;
  }
  SendDATA();

  for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
    DataPending[0][CNTR1] = 0x0C;  //set shutdown as no
    DataPending[1][CNTR1] = 0x01;
  }
  SendDATA();

  for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
    DataPending[0][CNTR1] = 0x0F;  //set test as no
    DataPending[1][CNTR1] = 0x00;
  }
  SendDATA();

  for (int Row = 8; Row >= 1; Row--) {
    for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
      DataPending[0][CNTR1] = Row;  //set test as no
      DataPending[1][CNTR1] = 0xFF;
    }
    SendDATA();
    delay(100);
    for (int CNTR1 = 15; CNTR1 >= 0; CNTR1--) {
      DataPending[0][CNTR1] = Row;  //set test as no
      DataPending[1][CNTR1] = 0x00;
    }
    SendDATA();
  }
}
  void SWITCHEMO() {
    if (DISPSTATUS == EMOCNT) {
      DISPSTATUS = 0;
    } else {
      DISPSTATUS = DISPSTATUS + 1;
    }
  }
  void DISPEMOX(int XX) {
    for (int CNTR2 = 7; CNTR2 >= 0; CNTR2--) {
      for (int CNTR3 = 15; CNTR3 >= 0; CNTR3--) {
        IMAGEBUFFER[CNTR2][CNTR3]=pgm_read_byte(&IMAGE[XX][CNTR2][CNTR3]);
      }
    }


    for (int CNTR2 = 7; CNTR2 >= 0; CNTR2--) {
      for (int CNTR3 = 15; CNTR3 >= 0; CNTR3--) {
        DataPending[0][CNTR3] = CNTR2+1;                    //set all buffer as Line CNTR
        DataPending[1][CNTR3] = 0x00;  //set all buffer as Line CNTR
      }
      SendDATA();
      delay(100);
      for (int CNTR3 = 15; CNTR3 >= 0; CNTR3--) {
        DataPending[0][CNTR3] = CNTR2+1;                    //set all buffer as Line CNTR
        DataPending[1][CNTR3] = IMAGEBUFFER[CNTR2][CNTR3];  //set all buffer as Line CNTR
      }
      SendDATA();
    }
  }