/* ISE Electronics CU165ECPB-xxx test routine

Connected to SPI pins of Arduino

*/
// include the SPI library:
#include <SPI.h>


// set pin 10 as the slave select for the digital pot:
const int slaveSelectPin = 2;
const int delay_ms = 100;
const int delay_ms2 = 50;

void setup() {
  // set the slaveSelectPin as an output:
  pinMode (slaveSelectPin, OUTPUT);
  // initialize SPI:
  //SPI.setBitOrder(MSBFIRST);
  SPI.setClockDivider(SPI_CLOCK_DIV128);
  SPI.begin(); 
  //SPI.setDataMode(SPI_MODE0);
  
      SPI_Write(B00000111);
      SPI_Write(B11110001);
      SPI_Write(B11110101);
      SPI_Write(B11100000);
}

void loop() {

      (void)Clear_screen();
      
  
      SPI_Write(B11100000);
      delay(delay_ms);  
      SPI_Write(0x48);  // H
      delay(delay_ms);  
      SPI_Write(0x65);  // e
      delay(delay_ms);
      SPI_Write(0x6C);  // l
      delay(delay_ms);
      SPI_Write(0x6C);  // l
      delay(delay_ms);
      SPI_Write(0x6F);  // o
      delay(delay_ms);
      SPI_Write(0x20);  // " "
      delay(delay_ms);
      SPI_Write(0x57);  // W
      delay(delay_ms);
      SPI_Write(0x6F);  // o
      delay(delay_ms);
      SPI_Write(0x72);  // r
      delay(delay_ms);
      SPI_Write(0x6C);  // l
      delay(delay_ms);
      SPI_Write(0x64);  // d
      delay(1000);

      
    }


int SPI_Write(int value) {
  // take the SS pin low to select the chip:
  digitalWrite(slaveSelectPin,LOW);
  //  send in the address and value via SPI:
  //SPI.transfer(address);
  SPI.transfer(value);
  // take the SS pin high to de-select the chip:
  digitalWrite(slaveSelectPin,HIGH); 
}

int Clear_screen (void){ // Clear screen by sending " " 16 times
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
    SPI_Write(0x20);
    delay(delay_ms2); 
}