Blinky example with timer interrupt by vilaca and umich

*** Blinky example by vilaca

http://vilaca.eu/lpc1114/vilaca.eu.lpc1114_102_led_blink.zip

#define LED       (1<<9)      /* LED D1 connect to PIO1_9 */

int main(void)
{

LPC_SYSCON ->SYSAHBCLKCTRL |= (1 << 8); // Enable Clock for TMR1
LPC_IOCON ->PIO1_9 |= (1 << 0); // PIN1_9 = CT16B1_MAT0
LPC_TMR16B1 ->MR0 = 2000; // 50% Duty Cycle
LPC_TMR16B1 ->PR = 12000;
LPC_TMR16B1 ->MR3 = 4000; // Cycle Length
LPC_TMR16B1 ->MCR |= (1 << 10); // TC Reset on MR3 Match
LPC_TMR16B1 ->PWMC |= (1 << 0); // PWM Mode
LPC_TMR16B1 ->TCR |= (1 << 0); // GO

while (1);
// unreachable
return 0;


*** Blinky example by uMich

http://web.eecs.umich.edu/~prabal/teaching/eecs373-f10/slides/lec21.pdf

// Set a 10ms timer

void TIMER32_0_IRQHandler(void)
{ 
LPC_TMR32B0->IR = 1;/* clear 
interrupt flag */
timer32_0_counter++;
return;
}

// And loop forever:

while (1) {
/* Each time we wake up... */
/* Check TimeTick to see whether to set or 
 clear the LED I/O pin */

if ( (timer32_0_counter%LED_TOGGLE_TICKS) < 
 (LED_TOGGLE_TICKS/2) ) 
{
GPIOSetValue( LED_PORT, LED_BIT, LED_OFF );
} else {
GPIOSetValue( LED_PORT, LED_BIT, LED_ON );
}
/* Go to sleep to save power between timer 
 interrupts */
__WFI();
}


*** lpc11xx.h Tiimer typedef *** 

typedef struct
{
  __IO uint32_t IR;             /*!< Offset: 0x000 (R/W)  Interrupt Register */
  __IO uint32_t TCR;            /*!< Offset: 0x004 (R/W)  Timer Control Register */
  __IO uint32_t TC;             /*!< Offset: 0x008 (R/W)  Timer Counter Register */
  __IO uint32_t PR;             /*!< Offset: 0x00C (R/W)  Prescale Register */
  __IO uint32_t PC;             /*!< Offset: 0x010 (R/W)  Prescale Counter Register */
  __IO uint32_t MCR;            /*!< Offset: 0x014 (R/W)  Match Control Register */
  __IO uint32_t MR0;            /*!< Offset: 0x018 (R/W)  Match Register 0 */
  __IO uint32_t MR1;            /*!< Offset: 0x01C (R/W)  Match Register 1 */
  __IO uint32_t MR2;            /*!< Offset: 0x020 (R/W)  Match Register 2 */
  __IO uint32_t MR3;            /*!< Offset: 0x024 (R/W)  Match Register 3 */
  __IO uint32_t CCR;            /*!< Offset: 0x028 (R/W)  Capture Control Register */
  __I  uint32_t CR0;            /*!< Offset: 0x02C (R/ )  Capture Register 0 */
       uint32_t RESERVED1[3];   
  __IO uint32_t EMR;       /*!< Offset: 0x03C (R/W)  External Match Register */
       uint32_t RESERVED2[12];
  __IO uint32_t CTCR;           /*!< Offset: 0x070 (R/W)  Count Control Register */
  __IO uint32_t PWMC;           /*!< Offset: 0x074 (R/W)  PWM Control Register */
} LPC_TMR_TypeDef;


*** LPC1114FN28 Pin reference

PIN GPIO AD Timers SPI I2C UART Other
1 PIO0_8 CT16B0_MAT0 MISO0
2 PIO0_9 CT16B0_MAT1 MOSI0
3 PIO0_10 CT16B0_MAT2 SCK0 SWCLK
4 PIO0_11 AD0 CT32B0_MAT3
5 PIO0_5 SDA
6 PIO0_6
7 VDDA
8 VSSA
9 PIO1_0 AD1 CT32B1_CAP0
10 PIO1_1 AD2 CT32B1_MAT0
11 PIO1_2 AD3 CT32B1_MAT1
12 PIO1_3 AD4 CT32B1_MAT2 SWDIO
13 PIO1_4 AD5 CT32B1_MAT3 WAKEUP
14 PIO1_5 CT32B0_CAP0 RTS
15 PIO1_6 CT32B0_MAT0 RXD
16 PIO1_7 CT32B0_MAT1 TXD
17 PIO1_8 CT16B1_CAP0
18 PIO1_9 CT16B1_MAT0
19 XTALOUT
20 XTALIN
21 VDD
22 VSS
23 PIO0_0 RESET
24 PIO0_1 CT32B0_MAT2 CLKOUT
25 PIO0_2 CT16B0_CAP0 SSEL0
26 PIO0_3
27 PIO0_4 SCL
28 PIO0_7 CTS

.END