motiondetect.rar

/* * Copyright 2001 by Texas Instruments Incorporated. * All rights reserved. Property of Texas Instruments Incorporated. * Restricted rights to use, duplicate or disclose this code are * granted through contract. * U.S. Patent Nos. 5,283,900 5,392,448 */ /* "@(#) DSP/BIOS 4.51.0 05-23-01 (barracuda-i10)" */ /***************************************************************************/ /* */ /* H E L L O . C */ /* */ /* Basic C standard I/O from main. */ /* */ /* */ /***************************************************************************/ #include <stdio.h> #include <stdlib.h> #include "type.h" #include "mcbsp54.h" #include "system.h" #include "tvp5150.h" #include "comm.h" #include "motiondetect.h" typedef struct _UartFrame{ u8 Head; u8 Type; u8 Experiment; u8 Operation; u8 Method; u8 Parameter; }UartFrame, *PuartFrame; u8 lsrstatus; extern u8 rece[8]; PuartFrame preceive=0; int i,parameter,method,exp_flag=0,image_num=-1,image_num1=0,com_mode=0; extern unsigned int rdv_int,fifoempty_int,rerror_int,timeout_int; u8 sendsingal1[8]={0x55,0x00,0xff,0x00,0x00,0x00,0x00,0x00}; u8 senddatahead1[8] = {0x55,0x00,0x99,0xff,0x88,0x00,0x00,0x00}; #pragma DATA_SECTION(e_buffer,".e_buffer") unsigned char e_buffer[25344]; #pragma DATA_SECTION(y_buffer,".y_buffer") unsigned char y_buffer[25344]; #pragma DATA_SECTION(u_buffer,".u_buffer") unsigned char u_buffer[6336]; /* ======== main ========*/ void main() { tvp5150_init(CIF); //图象采集芯片的初始化 ch375_Init(); //USB芯片的初始化 uart_setup(BAUDRATE_115200, //设置uart的工作参数 WORDLENGTH_8, STOPBIT_1, NO_PARITY, (FIFO_ENABLE+FIFO_DIP_8)); uart_interrupt_control((RDAV_INT+RLS_INT)); //打开uart的数据接收中断和接收状态中断 rece_reset(); //接收数组清零 int_flag_reset(); //中断标志位清零 dsp_interrupt_set(INT_2); //开DSP的INT2中断 dsp_interrupt_set(INT_3); //开DSP的INT3中断 for(;;) { if((timeout_int==0x01)) //若是time out中断，则执行以下代码 { timeout_int=0x00; //超时中断标志清零 UART_FCR_REG = 0x0083; //复位receiver FIFO asm(" nop "); asm(" nop "); uart_sendsingal(TIMEOUTERR,NO_IMAGE_NUM); //通知上位机发生超时错误 } else if((rerror_int==0x01)) //若是接收错误中断，则执行以下代码 { rerror_int=0x00; //uart接收错误中断标志清零 UART_FCR_REG = 0x0083; //复位receiver FIFO asm(" nop "); asm(" nop "); uart_sendsingal(RECEIVEERR,NO_IMAGE_NUM); //通知上位机发生接收错误(如接收FIFO溢出错误) } else if((rdv_int==0x01)) //若是数据有效中断则判断接收到的数据 { rdv_int=0x00; //数据有效中断标志清零 preceive = (PuartFrame)(&rece[0]); //将接收数组的首地址赋给结构体指针preceive if(preceive->Head!=HEAD&&preceive->Head!=0x00)//若数据头有错则通知上位机重发 { rece_reset(); //接收数组清零 sendsingal(com_mode,HEADERR,NO_IMAGE_NUM); //通知上位机数据头错误 } else if(preceive->Head==HEAD) //若数据头没错则依据命令操作 { if(preceive->Type == IMAGE1) //如果上位机进入的是image界面，则报实验选择错 { Delay50ms(); sendsingal(com_mode,EXP_ERROR,NO_IMAGE_NUM); } if(preceive->Type == TEST) //若是测试串口则应答 { rece_reset(); //接收数组清零 if(com_mode==UART_COM) { sendsingal(com_mode,READY,NO_IMAGE_NUM); //测试应答 } image_num = -1; } if(preceive->Type == INIT) //上位机切换实验标签时下位机图像标志重新初始化 { image_num = -1; } switch(preceive->Operation) { case START: //若是开始实验命令则采集图象 exp_flag = (int)(preceive->Experiment); rece_reset(); if(exp_flag!=MOTIONDETECT) //若和上位机实验类型不对则通知上位机 { sendsingal(com_mode,EXP_ERROR,NO_IMAGE_NUM); } else //若实验类型对则开始采集 { startcapG(); ramselect(FIRST_32K); ReadbufG(y_buffer,72,CIF,RstReadP); ramselect(SECOND_32K); ReadbufG(y_buffer,72,CIF,NoRstReadP); ramselect(THIRD_32K); ReadbufG(y_buffer,72,CIF,NoRstReadP); ramselect(FOURTH_32K); ReadbufG(y_buffer,72,CIF,NoRstReadP); image_num++; image_num1=(image_num%2); sendsingal(com_mode,ORI_IMAGEREADY,((u8)image_num1)); } break; case ORI_IMAGE: //若是传输原图象命令则传原图象 rece_reset(); image_num=(image_num%2); ramselect(FIRST_32K); //传第一幅图象 senddata(com_mode,LENGTH_Y_QCIF,y_buffer,FIRSTTIME_SEND); ramselect(SECOND_32K); senddata(com_mode,LENGTH_Y_QCIF,y_buffer,NOT_FIRSTTIME_SEND); ramselect(THIRD_32K); senddata(com_mode,LENGTH_Y_QCIF,y_buffer,NOT_FIRSTTIME_SEND); ramselect(FOURTH_32K); senddata(com_mode,LENGTH_Y_QCIF,y_buffer,NOT_FIRSTTIME_SEND); break; case START_SEC_IMAGE: //开始采集第二幅命令 parameter = (int)(preceive->Parameter); rece_reset(); startcapG(); ramselect(FIRST_32K); ReadbufG(e_buffer,72,CIF,RstReadP); motiondetect(e_buffer,y_buffer,y_buffer,XSIZE,YSIZE>>2,parameter); image_num1=image_num+2; sendsingal(com_mode,SEC_IMAGEREADY,((u8)image_num1)); break; case SEC_IMAGE: //传送第二幅图像命令 rece_reset(); ramselect(FIRST_32K); //传送第二幅图像 senddata(com_mode,LENGTH_Y_QCIF,e_buffer,FIRSTTIME_SEND); ramselect(SECOND_32K); ReadbufG(e_buffer,72,CIF,NoRstReadP);