circular_buffer_f Class Reference

 #include "mbed.h"
 #include "circular_buffer.h"
  Serial pc(USBTX, USBRX); // Comms to Tera Term on pc
  Serial gizmo(p28, p27); //  Serial port for gizmo on pins 27, 28
  circular_buffer_c   chatter;   //  create  instance of circular_buffer_c for chars

 void    Rx_divert (void)  {          //  Gets attached to Serial::RxIrq interrupt handler
    while   (gizmo.readable())         //  diverting rec'd chars into purpose provided,
        chatter.write(gizmo.getc()); //  sufficiently sized, circular buffer
 }

   main    ()  {
   char buff[BUF_SIZE];           //  allocate memory for circular buffer_c
   char x;
       //  Use init function to initialise (no constructor functions here)
   chatter.init(BUF_SIZE, buff, SEEK_ENABLE | OVERWRITE_ENABLE);

   gizmo.attach   (Rx_divert, Serial::RxIrq); //  gizmo rx now diverted to circ buff
   //  serial_in buffer now ready to use
   while   (1) {
       if  (chatter.readable())    {
           chatter.read(&x);
           pc.putc(x);
       }
   }
  }