Yuichi Tateno
/
Max7219_7segled_example
Max7219 7segled example
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); } }