2013DSP实验报告 打印.doc

郑州航空工业管理学院电子通信工程系DSP原理及应用实验报告 学 号： 101308205 姓 名： 韩 红 印 专 业： 电子信息工程 指导老师： 赵 成 老 师 实验一 CCS的安装与设置1. 实验目的掌握CCS 2（2000）集成开发环境的安装；掌握软件仿真环境的设置方法；熟悉CCS集成开发环境的应用界面。2. 实验设备PC机、CCS 2（2000）IDE软件、EXP-IV DSP实验箱3. 实验要求熟悉安装CCS 2（2000）IDE软件的步骤根据DSP芯片的型号正确设置软件仿真环境了解CCS集成开发环境应用界面的各项内容4. 实验内容（1） CCS 2（2000）IDE软件的安装步骤，按照如下图1-1到图1-12依次进行设置即可装置载好该软件，生成快捷方式如图1-13。图1-1点击Code Composer Studio，出现如图1-2图1-2图1-3图1-4图1-5图1-6图1-7图1-8图1-9图1-10图1-11图1-12图1-13（2） TMS320F2812 微处理器的软件仿真环境的设置，如图1-14和图1-15。图1-14图1-15（3） CCS集成开发环境的应用界面，如图1-16。图1-16实验二 GPIO模块的驱动程序设计1.实验目的掌握CCS硬件仿真环境的设置方法；掌握GPIO模块的驱动与测试方法；熟悉工程的编译、下载与调试方法。2.实验设备PC机、CCS 2（2000）IDE软件、XDS510仿真器、EXP-IV DSP实验箱3.实验要求熟悉GPIO模块的功能原理会利用SPRC097中的工程环境建立或打开工程实现GPIO模块的驱动编程4.实验内容（1）CCS硬件仿真环境的设置图2-1图2-2（2） 建立GPIO模块的工程图2-3（3） 主要程序代码 #include DSP281x_Device.h / DSP281x Headerfile Include File#include DSP281x_Examples.h / DSP281x Examples Include File#define EXAMPLE1 1 / Use DATA registers to toggle I/Os#define EXAMPLE2 0 / Use SET/CLEAR registers to toggle I/Os#define EXAMPLE3 0 / Use TOGGLE registers to toggle I/Os/ Prototype statements for functions found within this file.void delay_loop(void);void Gpio_select(void);void Gpio_example1(void);void Gpio_example2(void);void Gpio_example3(void);void main(void)/ Step 1. Initialize System Control:/ PLL, WatchDog, enable Peripheral Clocks/ This example function is found in the DSP281x_SysCtrl.c file. InitSysCtrl(); / Step 2. Initalize GPIO: / This example function is found in the DSP281x_Gpio.c file and/ illustrates how to set the GPIO to its default state./ InitGpio(); / Skipped for this example / For this example use the following configuration: Gpio_select(); / Step 3. Clear all interrupts and initialize PIE vector table:/ Disable CPU interrupts DINT;/ Initialize PIE control registers to their default state./ The default state is all PIE interrupts disabled and flags/ are cleared. / This function is found in the DSP281x_PieCtrl.c file. InitPieCtrl();/ Disable CPU interrupts and clear all CPU interrupt flags: IER = 0x0000; IFR = 0x0000;/ Initialize the PIE vector table with pointers to the shell Interrupt / Service Routines (ISR). / This will populate the entire table, even if the interrupt/ is not used in this example. This is useful for debug purposes./ The shell ISR routines are found in DSP281x_DefaultIsr.c./ This function is found in DSP281x_PieVect.c. InitPieVectTable();/ Step 4. Initialize all the Device Peripherals:/ This function is found in DSP281x_InitPeripherals.c/ InitPeripherals(); / Not required for this example/ Step 5. User specific code:#if EXAMPLE1 / This example uses DATA registers to toggle I/Os Gpio_example1();#endif / - EXAMPLE1#if EXAMPLE2 / This example uses SET/CLEAR registers to toggle I/Os Gpio_example1(); #endif#if EXAMPLE3 / This example uses TOGGLE registers to toggle I/Os Gpio_example3(); #endif void delay_loop() short i; for (i = 0; i 1000; i+) void Gpio_example1(void) / Example 1: / Toggle I/Os using DATA registers / Note: When using the DATA reigsters, input values / may be lost. If there are inputs on the port then / use the CLEAR/SET/TOGGLE registers instead. while(1) GpioDataRegs.GPADAT.all =0xAAAA; GpioDataRegs.GPBDAT.all =0xAAAA; GpioDataRegs.GPDDAT.all =0x0022; GpioDataRegs.GPEDAT.all =0x0002; GpioDataRegs.GPFDAT.all =0xAAAA; GpioDataRegs.GPGDAT.all =0x0020; delay_loop(); GpioDataRegs.GPADAT.all =0x5555; GpioDataRegs.GPBDAT.all =0x5555; GpioDataRegs.GPDDAT.all =0x0041; / Four I/Os only GpioDataRegs.GPEDAT.all =0x0005; / ThreeI/Os only GpioDataRegs.GPFDAT.all =0x5555; GpioDataRegs.GPGDAT.all =0x0010; / Two I/Os only delay_loop(); void Gpio_example2(void) / Example 2: / Toggle I/Os using SET/CLEAR registers while(1) GpioDataRegs.GPASET.all =0xAAAA; GpioDataRegs.GPACLEAR.all =0x5555; GpioDataRegs.GPBSET.all =0xAAAA; GpioDataRegs.GPBCLEAR.all =0x5555; GpioDataRegs.GPDSET.all =0x0022; GpioDataRegs.GPDCLEAR.all =0x0041; / Four I/Os only GpioDataRegs.GPESET.all =0x0002; GpioDataRegs.GPECLEAR.all =0x0005; / ThreeI/Os only GpioDataRegs.GPFSET.all =0xAAAA; GpioDataRegs.GPFCLEAR.all =0x5555; GpioDataRegs.GPGSET.all =0x0020; GpioDataRegs.GPGCLEAR.all =0x0010; / Two I/Os only delay_loop(); GpioDataRegs.GPACLEAR.all =0xAAAA; GpioDataRegs.GPASET.all =0x5555; GpioDataRegs.GPBCLEAR.all =0xAAAA; GpioDataRegs.GPBSET.all =0x5555; GpioDataRegs.GPDCLEAR.all =0x0022; GpioDataRegs.GPDSET.all =0x0041; / Four I/Os only GpioDataRegs.GPECLEAR.all =0x0002; GpioDataRegs.GPESET.all =0x0005; / ThreeI/Os only GpioDataRegs.GPFCLEAR.all =0xAAAA; GpioDataRegs.GPFSET.all =0x5555; GpioDataRegs.GPGCLEAR.all =0x0020; GpioDataRegs.GPGSET.all =0x0010; / Two I/Os only delay_loop(); void Gpio_example3(void) / Example 2: / Toggle I/Os using TOGGLE registers / Set pins to a known state GpioDataRegs.GPASET.all =0xAAAA; GpioDataRegs.GPACLEAR.all =0x5555; GpioDataRegs.GPBSET.all =0xAAAA; GpioDataRegs.GPBCLEAR.all =0x5555; GpioDataRegs.GPDSET.all =0x0022; GpioDataRegs.GPDCLEAR.all =0x0041; / Four I/Os only GpioDataRegs.GPESET.all =0x0002; GpioDataRegs.GPECLEAR.all =0x0005; / ThreeI/Os only GpioDataRegs.GPFSET.all =0xAAAA; GpioDataRegs.GPFCLEAR.all =0x5555; GpioDataRegs.GPGSET.all =0x0020; GpioDataRegs.GPGCLEAR.all =0x0010; / Two I/Os only / Use TOGGLE registers to flip the state of / the pins. / Any bit set to a 1 will flip state (toggle) / Any bit set to a 0 will not toggle. while(1) GpioDataRegs.GPATOGGLE.all = 0xFFFF; GpioDataRegs.GPBTOGGLE.all = 0xFFFF; GpioDataRegs.GPDTOGGLE.all = 0xFFFF; GpioDataRegs.GPETOGGLE.all = 0xFFFF; GpioDataRegs.GPFTOGGLE.all = 0xFFFF; GpioDataRegs.GPGTOGGLE.all = 0xFFFF; delay_loop(); void Gpio_select(void) Uint16 var1; Uint16 var2; Uint16 var3; var1= 0x0000;/ sets GPIO Muxs as I/Os var2= 0xFFFF;/ sets GPIO DIR as outputs var3= 0x0000;/ sets the Input qualifier values EALLOW; GpioMuxRegs.GPAMUX.all=var1; GpioMuxRegs.GPBMUX.all=var1; GpioMuxRegs.GPDMUX.all=var1; GpioMuxRegs.GPFMUX.all=var1; GpioMuxRegs.GPEMUX.all=var1; GpioMuxRegs.GPGMUX.all=var1; GpioMuxRegs.GPADIR.all=var2;/ GPIO PORTs as output GpioMuxRegs.GPBDIR.all=var2; / GPIO DIR select GPIOs as output GpioMuxRegs.GPDDIR.all=var2; GpioMuxRegs.GPEDIR.all=var2; GpioMuxRegs.GPFDIR.all=var2; GpioMuxRegs.GPGDIR.all=var2; GpioMuxRegs.GPAQUAL.all=var3; / Set GPIO input qualifier values GpioMuxRegs.GPBQUAL.all=var3; GpioMuxRegs.GPDQUAL.all=var3; GpioMuxRegs.GPEQUAL.all=var3; EDIS; 5. 问题与分析GPIO管脚可以通过对GpioMuxRegs.GPxMUX.all=0xffff的设置，实现功能引脚的配置，通过设置GpioMuxRegs.GPxMUX.all=0x0000，实现管脚为输入引脚的功能。为输出引脚时，可以通过GpioDataRegs.GPxDAT.all=0x0000与GpioDataRegs.GPxDAT.all=0xffff设置对应引脚输出为低电平或为高电平。实验三 定时器的驱动与观察1.实验目的掌握SPRC097软件包的安装与使用方法；掌握在CCS集成开发环境下建立或打开工程的方法；掌握定时器的驱动与测试方法（定时将XF管脚置高与置低）；掌握工程的编译、下载与调试方法；熟悉CCS集成开发环境中寄存器观察工具的使用。2.实验设备PC机、CCS 2（2000）IDE软件、EXP-IV DSP实验箱3.实验要求熟悉SPRC097软件包的安装步骤会利用SPRC097中的工程环境建立或打开工程实现定时器定时驱动XF管脚的编程会利用寄存器观察工具察看XF管脚的状态4.实验内容（1）SPRC097软件包的安装图3-1（2） 定时器定时驱动XF管脚的编程环境图3-2（3） 主要程序代码#include DSP281x_Device.h / DSP281x Headerfile Include File#include DSP281x_Examples.h / DSP281x Examples Include Filevoid delay(void);void main(void) int p,r,q; InitSysCtrl(); InitPieCtrl(); IER = 0x0000; IFR = 0x0000; InitPieVectTable(); /控制XF管脚 EALLOW; GpioMuxRegs.GPFMUX.all=0xffff; EDIS; for(r=0;r100;r+) /*xf管脚置低*/ asm( clrc xf); for(p=0;p10;p+) for(q=0;q10;q+) delay(); /*xf管脚置高*/ asm( setc xf); for(p=0;p10;p+) for(q=0;q10;q+) delay(); for(;) ; void delay(void) unsigned int k,i,j; for(k=0;k5;k+); for(i=0;i5;i+); for(j=0;j5;j+);图3-35. 问题与分析通过设置GpioMuxRegs.GPFMUX.all=0xffff，实现XF管脚的功能引脚功能。设置GpioMuxRegs.GPFMUX.all=0x0000，实现XF引脚的输入功能。当XF引脚为功能模式时，可以通过设置setc XF与clrc xf对XF引脚置低或置高。通过View下的Registers下的status查看XF管脚寄存器位的变化，如图（2-4）所示：图3-4实验四 外部中断的应用1.实验目的掌握中断服务程序的编写方法；掌握外部中断的驱动与测试方法；熟悉工程的编译、下载与调试方法。2.实验设备PC机、CCS 2（2000）IDE软件、XDS510、EXP-IV DSP实验箱3.实验要求熟悉外部中断XINT1的功能原理将工程环境设置为硬件仿真调试环境会利用SPRC097中的工程环境建立或打开工程实现外部中断的应用编程4.实验内容（1）建立外部中断的工程图4-1（2） 主要程序代码 /FILE: Led_Int.c/TITLE: DSP281x 外部中断测试程序 #include DSP281x_Device.h / DSP281x Headerfile Include File#include DSP281x_Examples.h / DSP2