#include "lib_io_tp.h"


/*mix de 
https://wokwi.com/arduino/projects/313005664351814210
et de
https://wokwi.com/arduino/projects/301188813482361352
*/

// Pin definitions:
const int datapin_in = 2;   /* Q7 */
const int clockpin_in =  3;  /* CP */
const int latchpin_in = 4;  /* PL */
const int datapin_out = 5; 
const int clockpin_out = 6;
const int latchpin_out = 7;
/////////////////////////////////////////////////////// 
void SetupES(void){
  pinMode(datapin_in, INPUT);
  pinMode(clockpin_in, OUTPUT);
  pinMode(latchpin_in, OUTPUT);
  // Set the three SPI pins to be outputs:
  pinMode(datapin_out, OUTPUT);
  pinMode(clockpin_out, OUTPUT);  
  pinMode(latchpin_out, OUTPUT);  
  }
///////////////////////////////////////////////////////
unsigned char readPort(void){
unsigned char val=0;
// Step 1: Sample
  digitalWrite(latchpin_in, LOW);
  digitalWrite(latchpin_in, HIGH);
  for (int i = 0; i < 8; i++) {
    int bit = digitalRead(datapin_in);
    val=(val<<1)|bit;
    digitalWrite(clockpin_in, HIGH); // Shift out the next bit
    digitalWrite(clockpin_in, LOW);
  }
  return val;
}
///////////////////////////////////////////////////////
void writePort(unsigned char value){
  shiftOut(datapin_out, clockpin_out, MSBFIRST, value); //Send "data" to the shift register
  //Toggle the latchpin_out to make "data" appear at the outputs
  digitalWrite(latchpin_out, HIGH); 
  digitalWrite(latchpin_out, LOW); 
}
///////////////////////////////////////////////////////