/*

* main.c

*

*  Created on: 2019-9-2

*      Author: CZQ

*/

/*

* GPxDAT   置1高电平            置0低电平

* GPxSET    1---高            0---无效

* GPxCLEAR  1---低             0---无效

* GPxTolgole    1---翻转

*/

#include "DSP2833x_Device.h"     // DSP2833x Headerfile Include File

#include "DSP2833x_Examples.h"   // DSP2833x Examples Include File

//声明函数

void delay_loop(void);

void Gpio_select(void);

main()

{

InitSysCtrl();

//GPIO配置

Gpio_select();

//清除所有中断，禁止CPU全局中断

DINT;

//初始化PIE控制寄存器到他们的默认状态

InitPieCtrl();

//禁止CPU中断和清除所有CPU中断标志

IER = 0x0000;

IFR = 0x0000;

//初始化PIE中断向量表，并使其指向中断服务子程序(ISR)

InitPieVectTable();

//用户代码，LED闪烁

GpioDataRegs.GPBDAT.all = 0x30000000;  //0x30000000   00  61-1  60-1

GpioDataRegs.GPCDAT.all = 0x00000007;  //0x00000007   000 68-0  67-0 66-1 65-1 64-1

for(;;)

{

GpioDataRegs.GPBDAT.all = 0x1000000;

GpioDataRegs.GPCDAT.all = 0x0000001F;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x20000000;

GpioDataRegs.GPCDAT.all = 0x0000001F;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x30000000;

GpioDataRegs.GPCDAT.all = 0x0000001E;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x30000000;

GpioDataRegs.GPCDAT.all = 0x0000001D;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x30000000;

GpioDataRegs.GPCDAT.all = 0x0000000B;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x30000000;

GpioDataRegs.GPCDAT.all = 0x00000017;

delay_loop();

GpioDataRegs.GPBDAT.all = 0x30000000;

GpioDataRegs.GPCDAT.all = 0x0000000F;

delay_loop();

//           delay_loop();

//           GpioDataRegs.GPBTOGGLE.all = 0x30000000;

//           GpioDataRegs.GPCTOGGLE.all = 0x00000007;

//

//           delay_loop();

//           GpioDataRegs.GPBTOGGLE.all = 0x30000000;

//           GpioDataRegs.GPCTOGGLE.all = 0x00000007;

}

}

//延时子函数

void delay_loop()

{

Uint32 i;

Uint32 j;

for(i=0;i<32;i++)

for(j=0;j<100000;j++){}

}

//GPIO初始化函数

void Gpio_select(void)

{

EALLOW;

GpioCtrlRegs.GPAMUX1.all = 0x00000000;  //ALL GPIO

GpioCtrlRegs.GPAMUX2.all = 0x00000000;

GpioCtrlRegs.GPBMUX1.all = 0x00000000;

GpioCtrlRegs.GPBMUX2.all = 0x00000000;

GpioCtrlRegs.GPCMUX1.all = 0x00000000;

GpioCtrlRegs.GPCMUX2.all = 0x00000000;

GpioCtrlRegs.GPADIR.all = 0xFFFFFFFF;   //ALL outputs

GpioCtrlRegs.GPBDIR.all = 0xFFFFFFFF;

GpioCtrlRegs.GPCDIR.all = 0xFFFFFFFF;

EDIS;

}