/*

* main.c

*/

#include <msp430.h>

#include "main.h"

#include "Macro.h"

#include "adc.h"

#include "timer.h"

#include "SPI.h"

#include "Sensors.h"

#include "nRF24L01P.h"

#include "Process.h"

#include "rs232.h"

void main(void)

{

Init();

//switch to idle mode

__low_power_mode_0();

return;

}

//Initialize system

void Init()

{

unsigned int i;

IFG1 &= ~OFIFG;

// Stop watchdog timer to prevent time out reset

WDTCTL = WDTPW + WDTHOLD;

//Adjust DCO frequency

// //DCOCTL = DCO0 + DOC1 +DOC2;

// DCOCTL = 0x80;

// BCSCTL1 = XT2OFF + RSEL0 + RSEL1 + RSEL2;

// BCSCTL2 = 0;

//调整DCO的频率

DCOCTL = 0xE0;

//切换MCLK到外部高速晶振(需要检测是否起振)

//BCSCTL1 &= ~XT2OFF; //启动高速晶振

BCSCTL1 = RSEL0 + RSEL1 + RSEL2;

do

{

//清除振荡器失效标志位，再延迟检查

IFG1 &= ~OFIFG;

for (i = 0; i < 1000; i++)

{

__no_operation();

}

} while (IFG1 & OFIFG);

//使用XT2, SMCLK = MCLK = 8MHz

BCSCTL2 = SELM1 + SELS;

//允许外部振荡器失效后，重启系统

IE1 |= OFIE;

InitPort();

InitUART();

InitADC();

InitSPI();

InitRF();

InitSensors();

InitTimer();

ShutdownModule();

}

void InitPort()

{

//Default to output first.

P1SEL = 0;

P1DIR = 0xFF;

P1OUT = 0;

P2SEL = 0;

P2DIR = 0xFF;

P2OUT = 0;

P3SEL = 0;

P3DIR = 0xFF;

P3OUT = 0;

P4SEL = 0;

P4DIR = 0xFF;

P4OUT = 0;

P5SEL = 0;

P5DIR = 0xFF;

P5OUT = 0;

P6SEL = 0;

P6DIR = 0xFF;

P6OUT = 0;

//LED inside box

P3DIR |= BIT4; //Output

P3SEL &= ~BIT4; //GPIO function

TEST_LED_OFF;

//Solar control Port

P4DIR |= BIT1;

P4SEL &= ~BIT1;

P4OUT &= ~BIT1; //output 0

//default:turn on charge switcher

SOLAR_ON;

//LED control Port(4)

P4DIR |= BIT2 + BIT3 + BIT4 + BIT5;

P4SEL &= ~(BIT2 + BIT3 + BIT4 + BIT5);

LAMP_OFF;

//TEST

//P4OUT |= (BIT2 + BIT3 + BIT4 + BIT5);

//LAMP_ON; (don't user this. Otherwise, the state will be wrong.)

LED_On();

//Solar battery Voltage Port

P6DIR &= ~BIT0; //Input;

P6SEL |= BIT0; //ADC function.

//12V PB Battery Voltage Port

P6DIR &= ~BIT1;

P6SEL |= BIT1;

//Charge current Port

P6DIR &= ~BIT2;

P6SEL |= BIT2;

//SPI(USART0 3 wire SPI Mode)(//nRF24L01+)

P3SEL &= ~(BIT0 + BIT5); //CSN and CE

P3DIR |= BIT0 + BIT5;

P3OUT &= ~BIT5; //CE low

P3OUT |= BIT0; //CSN high

P2SEL &= ~BIT7; //IRQ

P2DIR &= ~BIT7;

P2IES |= BIT7; //fall edge interrupt

P2IE |= BIT7; //Enable P2.7 interrupt

P3SEL |= BIT1 + BIT2 + BIT3; //SPI(SIMO/SOMI/UCLK)

//Sensor(SHT11 Temperature & humidity)

P5SEL &= ~(BIT6 + BIT7);

P5DIR |= BIT6; //for SCK

P5OUT &= ~BIT6;

P5DIR |= BIT7; //for DATA, thir-state first.

//RS232

P3SEL |= BIT6 + BIT7;

P3DIR |= BIT6; //P3.6 is TX, output

P3DIR &= ~BIT7; //P3.7 is RX, input

}

//shutdown the module which don't work, to save power.

void ShutdownModule()

{

}

// 没有使用的中断（如果出现，则复位）

#pragma vector=ADC12_VECTOR, COMPARATORA_VECTOR, NMI_VECTOR, PORT1_VECTOR, TIMERB0_VECTOR, TIMERB1_VECTOR, USART0RX_VECTOR, USART0TX_VECTOR, WDT_VECTOR

__interrupt void ISR_trap(void)

{

// the following will cause an access violation which results in a PUC reset

WDTCTL = 0;

}