jim hamblen / Mbed 2 deprecated C_to_asm

An example calling assembly from C. Assembly source is in a *.s file

Dependencies:   mbed

main.cpp

Committer:
4180_1
Date:
2010-09-29
Revision:
0:ef242c5b2981

File content as of revision 0:ef242c5b2981:

#include "mbed.h"
// This progam will blink LED1 and LED4
// using assembly language for LED1 and
// API functions for LED4
// declare external assembly language function (in a *.s file)
extern "C" int my_asm(int value);
// declare LED outputs
DigitalOut myled1(LED1);
DigitalOut myled4(LED4);

int main() {
    int value = 0;
    // loop forever
    while(1) {
      //call assembly language function to control LED1
      my_asm(value);
      //API function to control LED4
      myled4 = value;
      // flip value and wait
      value = ~ value;
      wait(0.2);
    }
}