Yuichi Tateno / Mbed 2 deprecated Max7219_7segled_example

Max7219 7segled example

Dependencies:   Max7219 mbed

main.cpp

Committer:
hotchpotch
Date:
2016-09-24
Revision:
0:d50f30be8280

File content as of revision 0:d50f30be8280:

#include "mbed.h"
#include "Max7219.hpp"

int main() {
  SPI spi(D11 /* MOSI */, NC, D13 /* SCK */);
  MAX7219 max7219(spi, D10 /* CS */);
  max7219.begin();
  max7219.print("-1234.567");
  
  wait(5);
  double counter = 0.0f;
  char num_str[10];
  
  while(1) {
    counter += 0.01;
    sprintf(num_str, "%9.2f", counter);
    max7219.print(num_str);
  }
}