substitution_process.ino

#include <StandardCplusplus.h>
#include <system_configuration.h>
#include <unwind-cxx.h>
#include <utility.h>
#include <iterator>
#include <vector>
#include <chrono>
#include <Utility.h>

static const int serial_speed = 9600;

static const int read_pin = 3;

static const unsigned elements = 100;
typedef unsigned long time_t;

using namespace std;

void setup()
{
  Serial.begin(serial_speed);
}

void loop()
{
  setADCFrequency(ADC_DIV8);

  vector<int> a(elements);
  
  time_t start_time = micros();
  for(vector<int>::iterator i = a.begin(); i != a.end(); ++i)
    *i = analogRead(read_pin);

  time_t span = micros() - start_time;
  Serial.println(span); 

  delay(1000);
}

コンパイルエラー時のテキスト

substitution_process_ver2.ino: In function 'void loop()':
substitution_process_ver2:26: error: 'ADC_DIV8' was not declared in this scope
substitution_process_ver2:26: error: 'setADCFrequency' was not declared in this scope