OpenLog/Libraries/SdFat/examples/cin_cout/cin_cout.ino
2016-04-07 14:57:34 -06:00

36 lines
803 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);
while (!Serial) {} // wait for Leonardo
}
//------------------------------------------------------------------------------
void loop() {
int32_t n;
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;
}