You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

39 lines
836 B
C++

/*
* Demo of ArduinoInStream and ArduinoOutStream
*/
#include <SPI.h>
#include "SdFat.h"
// create serial output stream
ArduinoOutStream cout(Serial);
// input line buffer
char cinBuf[40];
// create serial input stream
ArduinoInStream cin(Serial, cinBuf, sizeof(cinBuf));
//------------------------------------------------------------------------------
void setup() {
Serial.begin(9600);
// Wait for USB Serial
while (!Serial) {
SysCall::yield();
}
}
//------------------------------------------------------------------------------
void loop() {
int32_t n = 0;
cout << "\nenter an integer\n";
cin.readline();
if (cin >> n) {
cout << "The number is: " << n;
} else {
// will fail if no digits or not in range [-2147483648, 2147483647]
cout << "Invalid input: " << cinBuf;
}
cout << endl;
}