/*
* main.c
*
*Created on: -9-2
* Author: CZQ
*/
/*
* GPxDAT 置1高电平 置0低电平
* GPxSET 1---高 0---无效
* GPxCLEAR1---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 0061-160-1
GpioDataRegs.GPCDAT.all = 0x00000007;//0x00000007 000 68-067-0 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;
}
