File content as of revision 6:3181f546e812:

#include "APP.h"
#include "Manchester.h"

Serial pc(USBTX, USBRX);
DigitalIn in(p9);

bool clockTick = false;
bitset<FRAMESIZE> message(string("1000111011110101011100000000000111011010101001111111011110011010"));
int counter = 0;

int benchmark(void (*function) (void))
{
    int count = LPC_TIM2->TC;
    function();
    return LPC_TIM2->TC - count;
}

extern "C" void TIMER2_IRQHandler()
{
    if ((LPC_TIM2->IR & 0x01) == 0x01) // if MR0 interrupt, proceed
    {
        LPC_TIM2->IR |= 1 << 0;        // Clear MR0 interrupt flag
        clockTick = !clockTick;
        LPC_TIM2->EMR = encode(message[counter], clockTick);

        if (clockTick)
        {
            counter++;
        }

        if (counter >= FRAMESIZE)
        {
            counter = 0;
        }
    }
}

void initTimer()
{
    LPC_SC->PCLKSEL1 |= (1 << 12);         // pclk = cclk timer2
    LPC_SC->PCONP |= (1 << 22);            // timer2 power on
    LPC_TIM2->MR0 = CLOCKS_TO_SECOND / 10; // 100 ms
    LPC_TIM2->MCR = 3;                     // interrupt & reset timer2 on match
    LPC_TIM2->EMR = (3 << 4);              // toggle
    NVIC_EnableIRQ(TIMER2_IRQn);           // enable timer2 interrupt
    LPC_TIM2->TCR = 1;                     // enable timer2
}

int main()
{
    LPC_PINCON->PINSEL0 |= (3 << 12);  // P0.6 = MAT2.0

    initTimer();

    while (true)
    {
        pc.printf("%i", decode(in.read(), clockTick));
        wait(0.2);
    }
}