int main (void) {
uint32_t interval;
SystemCoreClockUpdate();
/* Config CLKOUT, mostly used for debugging. */
CLKOUT_Setup( CLKOUTCLK_SRC_MAIN_CLK );
LPC_IOCON->PIO0_1 &= ~0x07;
LPC_IOCON->PIO0_1 |= 0x01; /* CLK OUT */
/* Enable AHB clock to the GPIO domain. */
LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
/* TEST_TIMER_NUM is either 0 or 1 for 16-bit timer 0 or 1. */
interval = SystemCoreClock/1000 - 1;
if ( interval > 0xFFFF )
{
interval = 0xFFFF;
}
init_timer16(TEST_TIMER_NUM, interval);
enable_timer16(TEST_TIMER_NUM);
/* Set port 2_0 to output */
GPIOSetDir( 2, 0, 1 );
while (1) /* Loop forever */
{
#if TEST_TIMER_NUM
/* I/O configuration and LED setting pending. */
if ( (timer16_1_counter > 0) && (timer16_1_counter <= 200) )
{
GPIOSetValue( 2, 0, 0 );
}
if ( (timer16_1_counter > 200) && (timer16_1_counter <= 400) )
{
GPIOSetValue( 2, 0, 1 );
}
else if ( timer16_1_counter > 400 )
{
timer16_1_counter = 0;
}
#else
/* I/O configuration and LED setting pending. */
if ( (timer16_0_counter > 0) && (timer16_0_counter <= 200) )
{
GPIOSetValue( 2, 0, 0 );
}
if ( (timer16_0_counter > 200) && (timer16_0_counter <= 400) )
{
GPIOSetValue( 2, 0, 1 );
}
else if ( timer16_0_counter > 400 )
{
timer16_0_counter = 0;
}
#endif
}
}
/*****************************************************************************
** Main Function main()
******************************************************************************/
int main (void)
{
/*** The main Function is an endless loop ****/
// Configure WDT to run from internal WD oscillator at about 8 kHz
WDTInit();
init_timer16( 0, TIME_INTERVALmS * 10 );
enable_timer16( 0 );
/* Set LED pin to output and make sure it is off */
GPIOSetDir( LED_PORT, LED_BIT, 1 );
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
// Check reset status for watchdog reset- if found, blink quickly
if ((LPC_SYSCON->SYSRSTSTAT & 0x4) == 0x4)
{
LPC_SYSCON->SYSRSTSTAT |= 0x4;
while( 1 )
{
/* I/O configuration and LED setting pending. */
if ( (timer16_0_counter > 0) && (timer16_0_counter <= FAST_LED_TOGGLE_TICKS/2) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
}
if ( (timer16_0_counter > FAST_LED_TOGGLE_TICKS/2)
&& (timer16_0_counter <= FAST_LED_TOGGLE_TICKS) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
else if ( timer16_0_counter > FAST_LED_TOGGLE_TICKS )
{
timer16_0_counter = 0;
}
}
}
else
{ // No watchdog reset- lets blink slowly
while( 1 )
{
/* I/O configuration and LED setting pending. */
if ( (timer16_0_counter > 0) && (timer16_0_counter <= LED_TOGGLE_TICKS/2) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
}
if ( (timer16_0_counter > LED_TOGGLE_TICKS/2) && (timer16_0_counter <= LED_TOGGLE_TICKS) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
else if ( timer16_0_counter > LED_TOGGLE_TICKS )
{
timer16_0_counter = 0;
}
}
}
}
int main (void) {
GPIOInit();
// Initialize Timer16_0 to tick at rate of 1/2000th of second.
// Note that as this is a 16 bit timer, the maximum count we can
// load into timer is 0xFFFF, or 65535. Default clock speed
// set up by CMSIS SystemInit function - SystemCoreClock - is
// 48MHz or 48000000 Hz. Dividing this by 2000 is 24000 which is
// within appropriate timer16 maximum. This could be extended
// if timer routine extended to make use of Prescale Counter register
// Note by default LPC_SYSCON->SYSAHBCLKDIV is 1.
init_timer16(0, (SystemCoreClock/LPC_SYSCON->SYSAHBCLKDIV)/2000 );
// Initialize counter that counts Timer16_0 ticks
timer16_0_counter = 0;
//Enable Timer16_0
enable_timer16(0);
// Set port for LED to output
GPIOSetDir( LED_PORT, LED_BIT, 1 );
while (1) /* Loop forever */
{
// LED is on for 1st half-second
if ( (timer16_0_counter > 0) && (timer16_0_counter <= 1000) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
}
// LED is off for 2nd half-second
if ( (timer16_0_counter > 1000) && (timer16_0_counter <= 2000) )
{
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
// Reset counter
else if ( timer16_0_counter > 2000 )
{
timer16_0_counter = 0;
}
}
}
int main (void)
{
SystemInit();
USBIOClkConfig();
/* P0.1 is push-button input, P2.0~3 are LED output. */
LPC_GPIO2->DIR |= (0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3);
LPC_GPIO0->DIR &= ~(0x1<<1);
/* 16-bit timer 0. */
init_timer16(0, TIME_INTERVAL);
enable_timer16(0);
/* Set port 2_0 to output */
GPIOSetDir( 2, 0, 1 );
USB_Init(); /* USB Initialization */
USB_Connect(TRUE); /* USB Connect */
while (1) /* Loop forever */
{
/* I/O configuration and LED setting pending. */
if ( (timer16_0_counter > 0) && (timer16_0_counter <= 200) )
{
GPIOSetValue( 2, 0, 0 );
}
if ( (timer16_0_counter > 200) && (timer16_0_counter <= 400) )
{
GPIOSetValue( 2, 0, 1 );
}
else if ( timer16_0_counter > 400 )
{
timer16_0_counter = 0;
}
}
}
int main (void) {
/* Basic chip initialization is taken care of in SystemInit() called
* from the startup code. SystemInit() and chip settings are defined
* in the CMSIS system_<part family>.c file.
*/
/* SystemInit(); */
/* Config CLKOUT, mostly used for debugging. */
CLKOUT_Setup( CLKOUTCLK_SRC_MAIN_CLK );
LPC_IOCON->PIO0_1 &= ~0x07;
LPC_IOCON->PIO0_1 |= 0x01; /* CLK OUT */
/* Enable AHB clock to the GPIO domain. */
LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
/* TEST_TIMER_NUM is either 0 or 1 for 16-bit timer 0 or 1. */
init_timer16(TEST_TIMER_NUM, TIME_INTERVAL);
enable_timer16(TEST_TIMER_NUM);
/* Set port 2_0 to output */
/* GPIOSetDir( 2, 0, 1 ); */
/* Set LED port pin to output */
GPIOSetDir( LED_PORT, LED_BIT, 1 );
while (1) /* Loop forever */
{
#if TEST_TIMER_NUM
/* I/O configuration and LED setting pending. */
if ( (timer16_1_counter > 0) && (timer16_1_counter <= 200) )
{
/* GPIOSetValue( 2, 0, 0 ); */
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
}
if ( (timer16_1_counter > 200) && (timer16_1_counter <= 400) )
{
/* GPIOSetValue( 2, 0, 1 ); */
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
else if ( timer16_1_counter > 400 )
{
timer16_1_counter = 0;
}
#else
/* I/O configuration and LED setting pending. */
if ( (timer16_0_counter > 0) && (timer16_0_counter <= 200) )
{
/* GPIOSetValue( 2, 0, 0 ); */
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
}
if ( (timer16_0_counter > 200) && (timer16_0_counter <= 400) )
{
/* GPIOSetValue( 2, 0, 1 ); */
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
else if ( timer16_0_counter > 400 )
{
timer16_0_counter = 0;
}
#endif
}
}
