//******************************************************************************************
//   Project      :  LPC810M021FN08 Sample Program
//   Program Name :
//   Programer    :
//   Create date  :  Version 1.0    H25.12.01
//   History      :
//   Laungage     :
//******************************************************************************************
//  (1)Description
//
//******************************************************************************************

#include "LPC8xx.h"

void Init_PIN(void);
void Init_OSC(void);
void Init_CLKOUT(void);

int main(void) {

// ********************
//  1.Initialized
// ********************
//  (1)Assign PIN
    Init_PIN();

//  (2)Define CLKOUT
    Init_CLKOUT();

// ********************
//  2.Main
// ********************
    while(1);

}

//******************************************************************************************
//   Function Name : Init_PIN
//   Title         :
//   Input         :
//   Output        :
//   Description   :
//******************************************************************************************
void Init_PIN(void)
{
// ****************************
// 1.Define Pin assign register 8
// ****************************
//   PINASSIGN8[7:0]  I2C_SCL_IO I2C_SCL function assignment.
//                    The value is the pin number to be assigned to this function.
//                    The following pins are available: PIO0_0 (= 0) to PIO0_17 (= 0x11).
//                    Reset value : 0xFF
//   PINASSIGN8[15:8] ACMP_O_O ACMP_O_O function assignment.
//                    The value is the pin number to be assigned to this function.
//                    The following pins are available: PIO0_0 (= 0) to PIO0_17 (= 0x11).
//                    Reset value : 	0xFF
//   PINASSIGN8[23:16] CLKOUT_O CLKOUT function assignment.
//                    The value is the pin number to be assigned to this function.
//                    The following pins are available: PIO0_0 (= 0) to PIO0_17 (= 0x11).
//                    Reset value : 	0xFF
//   PINASSIGN8[31:24] GPIO_INT_BMAT_O GPIO_INT_BMAT function assignment.
//                    The value is the pin number to be assigned to this function.
//                    The following pins are available: PIO0_0 (= 0) to PIO0_17 (= 0x11).
//                    Reset value : 	0xFF

    LPC_SWM->PINASSIGN8 = 0xFF01FFFF;

}

//******************************************************************************************
//   Function Name : Init_CLKOUT
//   Title         :
//   Input         :
//   Output        :
//   Description   :
//******************************************************************************************
void Init_CLKOUT(void)
{
// ****************************
// 1.Define CLKOUT clock source select register
// ****************************
//  CLKOUTSEL[1:0] SEL CLKOUT clock source 0    Reset value:0
//      0x0 IRC oscillator
//      0x1 Crystal oscillator (SYSOSC)
//      0x2 Watchdog oscillator
//      0x3 Main clock
//  CLKOUTSEL[31:2] - Reserved                  Reset value:0

    LPC_SYSCON->CLKOUTSEL = 0x000000003;

// ****************************
// 2.Define CLKOUT clock source update enable register
// ****************************
//  CLKOUTUEN[0] ENA Enable CLKOUT clock source update 0
//       0 No change
//       1 Update clock source
//  CLKOUTUEN[31:1] - Reserved

    LPC_SYSCON->CLKOUTUEN = 0x00000001;
    while (!(LPC_SYSCON->CLKOUTUEN & 0x01));

// ****************************
// 3.Define CLKOUT clock divider register
// ****************************
//  CLKOUTDIV[7:0] DIV CLKOUT clock divider values
//       0: Disable CLKOUT clock divider.
//       1: Divide by 1.
//           to
//     255: Divide by 255.
//     Reset value   0
//  CLKOUTDIV[31:8] - Reserved

    LPC_SYSCON->CLKOUTDIV = 0x00000001;

}