/* Video sync signal construction
 * 1 line: 1524 (+/- 16) clocks (15748 Hz; 63.5 usec)
 *
 * line #0-#2
 *     ________    ________
 * |__|        |__|
 * 2.3 usec    2.3 usec 
 *
 *
 * line #3-#5
 *          ___         ___
 * |_______|   |_______|
 *          4.7 usec    4.7 usec
 *
 *
 * line #6-#8
 *     ________    ________
 * |__|        |__|
 * 2.3 usec    2.3 usec
 *
 *
 * line #9-#261
 *      ___________________
 * |___|
 * 4.7 usec
 *
 *
 * This must produces 16275 Hz sync signal.
 *
 */

#ifdef __USE_CMSIS
#include "LPC8xx.h"
#endif

#include <cr_section_macros.h>

// TODO: insert other include files here
#include "sct_fsm.h"

// TODO: insert other definitions and declarations here

void SCT_IRQHandler (void) {
	uint32_t status = LPC_SCT->EVFLAG;

	LPC_GPIO_PORT->NOT0 = 1<<0; // Toggle PIO0_0

	/* Acknowledge interrupts */
	LPC_SCT->EVFLAG = status;
}
int main(void) {

    // TODO: insert code here

	LPC_GPIO_PORT->DIR0 |= (1<<0); // PIO0_0: output

	// enable the SCT clock
	LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 8);

	sct_fsm_init();

	// Enable SCT interrupt
	NVIC_EnableIRQ(SCT_IRQn);

	// unhalt the SCT by clearing bit 2 of the unified CTRL register
	LPC_SCT->CTRL_U &= ~(1 << 2);

    // Force the counter to be placed into memory
//    volatile static int i = 0 ;
    // Enter an infinite loop, just incrementing a counter
    while(1) {
//        for (i=0;i<100000;i++);
    }
    return 0 ;
}

#ifdef __USE_CMSIS
#include "LPC8xx.h"
#endif

#include <cr_section_macros.h>

// TODO: insert other include files here
#include "sct_fsm.h"

// TODO: insert other definitions and declarations here

void SCT_IRQHandler (void) {
	uint32_t status = LPC_SCT->EVFLAG;

	LPC_GPIO_PORT->NOT0 = 1<<0; // Toggle PIO0_0

	/* Acknowledge interrupts */
	LPC_SCT->EVFLAG = status;
}
int main(void) {

    // TODO: insert code here

    LPC_SYSCON->SYSAHBCLKCTRL |= (1<<7);  /* Enable the Switch Matrix                   */
    LPC_SWM->PINASSIGN7 = 0xFFFFFF01;     /* SCT CTOUT_1 at P0.1                         */
    LPC_SYSCON->SYSAHBCLKCTRL &= ~(1<<7);  /* Switch Matrix can be disabled to save current */

	LPC_GPIO_PORT->DIR0 |= (1<<0); // PIO0_0: output

	// enable the SCT clock
	LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 8);

	sct_fsm_init();

	// Enable SCT interrupt
	NVIC_EnableIRQ(SCT_IRQn);

	// unhalt the SCT by clearing bit 2 of the unified CTRL register
	LPC_SCT->CTRL_U &= ~(1 << 2);

    // Force the counter to be placed into memory
//    volatile static int i = 0 ;
    // Enter an infinite loop, just incrementing a counter
    while(1) {
//        for (i=0;i<100000;i++);
    }
    return 0 ;
}

#ifdef __USE_CMSIS
#include "LPC8xx.h"
#endif

#include <cr_section_macros.h>

int main(void) {

    LPC_GPIO_PORT->DIR0 |= (1<<0); // PIO0_0: output

    // Force the counter to be placed into memory
    volatile static int i = 0 ;
    // Enter an infinite loop, just incrementing a counter
    while(1) {
        for (i=0;i<100000;i++);
        LPC_GPIO_PORT->NOT0 = 1<<0; // Toggle PIO0_0
    }
    return 0 ;
}