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config.c
#include "include.h"
// Peripheral specific initialization functions,
// Called from the Init_Device() function
void Timer0_Init (void)
{
TMOD = 0x01;
TH0 = TH0_VALUE;
TL0 = TL0_VALUE;
}
void ADC_Init()
{
AMX1SL = 0x00; //
ADC1CF = 0x21; //
ADC1CN = 0x80; //
REF0CN = 0x03;
}
//-------------------------------------------------------------------------------
void PORT_Reset(void)
{
// disable watchdog timer
// disable watchdog timer
WDTCN = 0xde;
WDTCN = 0xad;
//P0MDOUT|=0x10;
XBR0 = 0x04; // CP0E ECI0E PCA0ME PCA0ME PCA0ME [UART0] SPI0EN [SMB0EN]
XBR1 = 0x14; // SYSCKE T2EXE T2E INT1E T1E [INT0E] T0E CP1E
XBR2 = 0x40; // WEAKPUD [XBARE] - T4EXE T4E [UART1E] EMIFLE CNVSTE
P0MDOUT|=0x0;
P1MDIN=0x0; //Digital Input Mode
//P1MDOUT=0x0f; //Key Input Drain-out
//P1=0xff; //Key Input
//P2MDOUT=0x00; //CH372 WR RD CS A0 Output
P2MDOUT=0xff;
//P2=0xff;
P2=0xff;
P3MDOUT=0x00; //input
P3=0xff;
P74OUT=0; //P7 CH372 data
P7=0xff;
}//Port_Reset(void)
void SysClk_Reset (void)
{
uint i; // delay counter
// OSCICN = 0x87; //片内晶振
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
OSCXCN = 0x67; // start external oscillator with
// 11.0592MHz crystal
for (i=0; i <=255; i++) ; // XTLVLD blanking interval (>1ms)
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
// source and enable missing clock
// detector
}//void SysClk_Reset (void)
void Interrupts_Init()
{
//EIE1 = 0x08; //AD0中断
//IT01CF = 0x00; //P00为外部中断0 低电平有效
IE = 0x00; //PS0 T0 enable
EIE2 = 0x08; //ADC1 enable
EIP2 = 0x08; //ADC1 high class
IT0 = 1; //INT0 下降沿中断
IT1 = 1;
}
// Initialization function for device,
// Call Init_Device() from your main program
void init_var()
{
Flag8=0;
bfirst=0;
//cnt_send=0;
measurements=0;
sample_mode=0;
send_interval=1;
}
void Uart_Reset(void)
{
//串口0
SCON0=0x50; //[sm00 sm10] sm20 [ren0] tb80 rb80 ti0 ri0
//T2 for 波特率
//baud=SYSCLK/(32*(65536-(RCAP2H:RCAP2L)))
//4800: 0xffd8
// [ 9600: 0xffdc ]
//19200:0xffee
TH2=0xff;
TL2=0xb8;
RCAP2H=0xff;
RCAP2L=0xb8;
//TH2=0xff;
//TL2=0xdc;
//RCAP2H=0xff;
//RCAP2L=0xdc;
T2CON=0x34; //TF2 EXF2 [RCLK0] [TCLK0] EXEN2 [TR2] C/T2 CP/RL2
ClearCommSendBuffer();
}//void Uart_Reset(void);
void Init_Device(void)
{
SysClk_Reset();
PORT_Reset();
Timer0_Init();
ADC_Init();
Uart_Reset();
Interrupts_Init();
//init_var();
}
ch372.c
// ------------------------------------------------------------------------------------------------------
#include
#define ERR_SUCCESS 0x00 // 操作成功
#define ERR_PARAMETER 0x10 // 参数错误
#define ERR_UNSUPPORT 0x80 // 命令不支持
#define ERR_UNDEFINED 0xFF // 未定义的错误
//#define THIS_FIRMWARE_VER 0x10 // 固件版本号
//#define THIS_APP_SYS_VER 0x10 // 应用系统版本号
//#define THIS_APP_SYS_STR "RA50" // 应用系统描述字符串
#define OP_CMD 1 // 命令操作码
#define OP_DATA 0 // 数据操作码
#define DELAY_TIMES 2 // 延时2微秒
#define DELAY_CNT_NUMS 16*DELAY_TIMES // 延时2微秒所需的时钟周期数（对于22.1184MHz晶振，每个微秒包含22.1184个时钟周期）
//#define MY_USB_VENDOR_ID 0x4348 // USB设备制造商标识
//#define MY_USB_PRODUCT_ID 0x5537 // USB设备产品标识
sbit USB_CS = P2^4;
sbit USB_INT = P3^0;
sbit USB_A0 = P2^3;
sbit USB_WR = P2^1;
sbit USB_RD = P2^2;
sfr USB_DATA = 0x96;
//#define get_usb P7
//#define set_usb(dat1) P7=dat1
void Delay2us( )
{
INT8U i;
i = (INT8U)DELAY_CNT_NUMS;
while (--i);
}
void CH375_WR_CMD_PORT(INT8U dat)
{
//USB_CS = 0;
//INT8U a;
//set_usb(dat);
USB_WR = 1;
USB_RD = 1;
Delay2us();
USB_A0 = OP_CMD;
USB_DATA = dat; // 准备写命令
USB_CS = 0;
USB_WR = 0;
//USB_CS = 0;
//USB_WR = 0; // 开始写命令 延时80ns
//Delay2us();
Delay2us();
USB_WR = 1;
USB_CS = 1; // 结束写命令（USB_WR信号的有效时间不能超过10us）
//USB_A0 = 1;
//P7=0xff;
//P1|=0x80;
}
void CH375_WR_DAT_PORT(INT8U dat)
{
//USB_CS = 0;
//set_usb(dat);
USB_WR = 1;
USB_RD = 1;
Delay2us();
USB_A0 = OP_DATA; // 准备写数据
USB_DATA = dat; // 准备数据
USB_CS = 0;
USB_WR = 0; // 开始写数据
//USB_CS = 0; //延时80ns
//USB_WR = 0;
Delay2us();
USB_WR = 1; // 结束写命令（USB_WR信号的有效时间不能超过10us）
USB_CS = 1;
//USB_A0 = 1;
//P7=0xff;
//P1|=0x80;
}
INT8U CH375_RD_DAT_PORT(void)
{
INT8U nData;
//USB_CS = 0;
USB_WR = 1;
USB_RD = 1;
Delay2us();
USB_DATA = 0xFF; // 将USB_DATA（P4口）配置为数字输入
USB_A0 = OP_DATA; // 准备读数据
USB_CS = 0;
USB_RD = 0; // 开始读数据
//Delay2us();
Delay2us();
//USB_CS = 0; //延时80ns
//USB_RD = 0;
nData = USB_DATA; // 读取数据
USB_RD = 1; // 结束读命令（USB_RD信号的有效时间不能超过10us）
USB_CS = 1;
//USB_A0 = 1;
return nData; // 返回读取的数据
}
void CH375_Init(void)
{
INT8U i,j;
INT16U k;
//CH375_WR_CMD_PORT(CMD_SET_USB_ID); // 设置外部自定义的USB设备VID和PID,可选操作
//CH375_WR_DAT_PORT((INT8U)MY_USB_VENDOR_ID); // 写入厂商ID的低字节
//CH375_WR_DAT_PORT((INT8U)(MY_USB_VENDOR_ID>>8)); // 写入厂商ID的高字节
//CH375_WR_DAT_PORT((INT8U)MY_USB_PRODUCT_ID); // 写入产品ID的低字节
//CH375_WR_DAT_PORT((INT8U)(MY_USB_PRODUCT_ID>>8)); // 写入产品ID的高字节
CH375_WR_CMD_PORT(CMD_RESET_ALL);
for (k=0;k<25000;k++)
Delay2us();
CH375_WR_CMD_PORT(CMD_SET_USB_MODE);
CH375_WR_DAT_PORT(2);
for (i=100; i!=0; i--)
{
j=CH375_RD_DAT_PORT();
if (j == CMD_RET_SUCCESS)
{
j=j;
break;
}
}
//IT0 = 0; // 置外部信号为低电平触发
//IE0 = 0; // 清中断标志
//EX0 = 1; // 允许CH372中断,假定CH372的INT#引脚连接到单片机的INT0
}
void CH375_process()
{
INT8U id;
INT8U cnt;
INT8U IntStatus;
//PUINT8C str;
//USB_DOWN_BUFFER down;
//USB_UP_BUFFER up;
if (USB_INT)
return;
//#define IntStatus dat // 节约一个变量存储单元
CH375_WR_CMD_PORT((INT8U)CMD_GET_STATUS); // 获取中断状态并取消中断请求
IntStatus = CH375_RD_DAT_PORT(); // 获取中断状态
//USB_INT = 1;
//IE0 = 0; // 清中断标志,与单片机硬件有关,对应于INT0中断
// 批量端点下传成功,接收到命令包
if (IntStatus == USB_INT_EP2_OUT)
{
CH375_WR_CMD_PORT((INT8U)CMD_RD_USB_DATA); // 从当前USB中断的端点缓冲区读取数据块,并释放缓冲区
cnt = CH375_RD_DAT_PORT(); // 首先读取后续数据长度
if ((cnt == 0) || (cnt >38)) // 长度为0,没有数据,在某些应用中也可以将长度0定义为一种特殊命令
{
CH375_WR_CMD_PORT((INT8U)CMD_SET_ENDP7); // 设置USB端点2的IN,也就是批量上传端点
CH375_WR_DAT_PORT((INT8U)0x0E); // 同步触发位不变,设置USB端点2的IN正忙,返回NAK,实际是清除上传缓冲区的已有内容
return;
}
id = 0;
do
{
down[id] = CH375_RD_DAT_PORT(); // 接收命令包的数据
id++;
} while (--cnt);
// 命令包反码校验错误,放弃该下传包
if (down[--id]==calc_sum(&down[0]))
brev=1;
}
else if (IntStatus == USB_INT_EP2_IN) // 批量数据发送成功,状态包已发送
CH375_WR_CMD_PORT((INT8U)CMD_UNLOCK_USB); // 释放当前USB缓冲区,收到上传成功中断后,必须解锁USB缓冲区,以便继续收发
else if (IntStatus == USB_INT_EP1_IN) // 中断数据发送成功,本程序未用到
CH375_WR_CMD_PORT((INT8U)CMD_UNLOCK_USB); // 释放当前USB缓冲区
else
CH375_WR_CMD_PORT((INT8U)CMD_UNLOCK_USB);
// 内置固件的USB方式下不应该出现其它中断状态
}
global.c
#include "def.h"
INT8U xdata up[64];
//INT8U xdata up1[64];
INT8U xdata down[64];
INT8U xdata data_array[DATA_SIZE];
INT8U xdata com_buffer[10];
INT8U xdata ad_data[1400];
//INT16U xdata ph_ad_value[18];
INT8U bdata Flag8;
//INT8U bdata Flag8;
sbit brev=Flag8^0;
sbit bstart=Flag8^1;
sbit bsample=Flag8^2;
sbit bover=Flag8^3;
sbit bfirst=Flag8^5;
sbit bsent=Flag8^6;
INT8U idata cnt_send;
INT16U idata ph_result;
INT16U idata ph_filter_result;
INT8U idata send_interval;
INT8U idata send_no;
INT8U idata measurements ; // measurement counter
INT16U idata sample_cnt;
INT8U idata sample_mode;
//INT8U idata x_data[2];
//INT8U idata y_data[2];
//INT8U idata z_data[2];
T0.C
#include "include.h"
//-------------------------------------------------------------------------------
//子程序名称:T0
//功能:T0中断处理函数
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void T0(void) interrupt 1 using 1
{
TH0 = TH0_VALUE;
TL0 = TL0_VALUE;
if (bstart)
cnt_send++;
}
void Int1() interrupt 2 using 2 //int0 0003h
{
if (bstart)
{
bfirst=1;
EN_INT0;
DIS_INT1;
}
}
void Int0() interrupt 0 using 0 //int0 0003h
{
//bmenu_ok1=1;
// INT8U temp12;
if (bfirst)
{
if (!bsample)
{
measurements++;
if (measurements==32)
{
bsample=1;
sample_cnt=0;
}
}
else
{
if (sample_cnt ^ 1350)
{
// _nop_();
// _nop_();
// _nop_();
//_nop_();
//_nop_();
ADC1CN&=0xdf; //启动AD转换
//if (ADC1CN & 0x10)
// {
// temp12=ad_data[sample_cnt];
// ad_data[sample_cnt++]=temp12;
// }
// else
ADC1CN|=0x10;
}
else
{
bover=1;
DIS_INT0;
}
}
}
}
//-------------------------------------------------------------------------------
//子程序名称:adv0
//功能:AD中断处理函数
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void adv0() interrupt 17 using 3 //int0 0003h
{
ADC1CN&=0xdf;
ad_data[sample_cnt++]=ADC1;
}
fun.C
#include "include.h"
//-------------------------------------------------------------------------------
//子程序名称:pc_process()
//功能:上机位处理
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void pc_process()
{
INT8U idata tmp3;
tmp3=down[0];
switch(tmp3)
{
case LINK_OPEN:
up[0]=PC_ORDER_SURE;
up[1]=2;
up[2]=calc_sum(&up[0]);
break;
case STOP_ORDER:
stop();
up[0]=PC_ORDER_SURE;
up[1]=2;
up[2]=calc_sum(&up[0]);
break;
case LINK_CLOSE:
up[0]=PC_ORDER_SURE;
up[1]=2;
up[2]=calc_sum(&up[0]);
break;
case START_SEND_PC:
sample_mode=0;
start();
//EN_INT;
return;
break;
//case AD_FILTER_READ:
//start();
//sample_mode=1;
// return;
// break;
case PC_STANDAR:
//if (down[3] ^ CHANNEL_NO)
// return;
stop();
//send_xiaweiji();
return;
break;
//case PC_ADJUST:
//if (down[2] ^ CHANNEL_NO)
// return;
//data_array[1]=down[3];
//data_array[2]=down[4];
//WriteFlash();
//up[0]=PC_ORDER_SURE;
//up[1]=2;
//up[2]=calc_sum(&up[0]);
//stop();
//send_xiaweiji();
// return;
// break;
default:
return;
break;
}
usb_send_pc(&up[0]);
}
//-------------------------------------------------------------------------------
//子程序名称:usb_send_pc(INT8U * buf)
//功能:USB发送函数
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void usb_send_pc(INT8U * buf)
{
INT8U idata cnt;
//INT8U * buf;
CH375_WR_CMD_PORT(CMD_WR_USB_DATA7);
cnt=64;//强制指令回数64个, 为了满足沁恒的驱动
CH375_WR_DAT_PORT(cnt);
do
{
//WATCH_DOG;
//Delay2us();
//Delay2us();
CH375_WR_DAT_PORT(*buf);
buf ++;
//CH375_WR_DAT_PORT(11);
} while ( -- cnt );
}
//-------------------------------------------------------------------------------
//子程序名称:send_real_pc()
//功能:连续数据发送
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void send_real_pc(INT8U idata num_no)
{
INT8U idata i;
INT16U idata j;
INT8U * p_ad;
up[0]=0xe0;
up[1]=53;
up[2]=num_no;
j=num_no*50;
p_ad=&ad_data[0]+j;
for (i=0;i<50;i++)
up[3+i]=*p_ad++;
//up[3+i]=i*2;
//up[11]=0;
//up[20]=0;
//up[29]=0;
//up[38]=(INT8U)send_no;
//up[39]=(INT8U)(send_no>>8);
//up[40]=0;
//up[41]=0;
up[53]=calc_sum(&up[0]);
usb_send_pc(&up[0]);
}
//-------------------------------------------------------------------------------
//子程序名称:calc_sum(INT8U * buf)
//功能:计算累加和
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
INT8U calc_sum(INT8U * buf)
{
INT8U idata sum;
INT8U idata point;
//INT8U dat;
sum=0;point=0;
do
{
sum=sum+buf[point];
point++;
}while(point
return sum;
}
//-------------------------------------------------------------------------------
//子程序名称:start()
//功能:启动采样
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void start()
{
//bsent=1;
bstart=1;
EN_INT1;
bover=0;
bfirst=0;
bsample=0;
measurements=0;
//bover=0;
//if (mode)
// bsingle=1;
//else
// bsingle=0;
//measurements = 0;
//accumulator=0;
//send_no=0;
//cnt_send=0;
}
//-------------------------------------------------------------------------------
//子程序名称:stop()
//功能:停止采样
//修改日期:2011.08.08
//修改人:njgwx
//-------------------------------------------------------------------------------
void stop()
{
bstart=0;
bover=0;
DIS_INT1;
DIS_INT0;
//bsent=0;
}
uart.c
#include
//#define DB_SENDMAXSIZE 48
#define DB_SENDMAXSIZE 16
//bit CommRecDataOverflowFlag,FlagRecComm,SendItComm;
INT8U idata CommSendBufferHead=0;
INT8U idata CommSendBufferTail=0;
INT8U idata CommSendBuffer[DB_SENDMAXSIZE];
bit SendItComm;
void ClearCommSendBuffer(void)
{
CommSendBufferHead=CommSendBufferTail=0;
SendItComm=1;
//step=0;valid_sum=0;
//for (tmp=0;tmp<13;tmp++)
// com_up_buf[tmp]=0;
}
void sendcommbuffer(INT8U * base, INT8U idata size)
{
INT8U idata ii4;
ii4=0;
if (!size) { return; }
while (ii4
CommSendBuffer[CommSendBufferTail]=base[ii4];
ii4++;
CommSendBufferTail++;
if (CommSendBufferTail==DB_SENDMAXSIZE)
{
CommSendBufferTail=0;
}
}
if (SendItComm)
{
SBUF1=CommSendBuffer[CommSendBufferHead];
SendItComm=0;
}
}
void CommISR(void) interrupt 4
{
if (_testbit_(TI0))
{
TI0=0;
CommSendBufferHead++;
if (CommSendBufferHead==DB_SENDMAXSIZE)
{
CommSendBufferHead=0;
}
if (CommSendBufferHead!=CommSendBufferTail)
{
SBUF0=CommSendBuffer[CommSendBufferHead]; // send the next byte
SendItComm=0;
}
else
{
SendItComm=1;
}
}
}
main.c
#include "include.h"
void main()
{
//INT8U temp1;
//INT16U k;
Init_Device();
init_var();
CH375_Init();
//load_default_parm();
//WriteFlash();
//Read_eeprom_data();
//PCA_Init();
TR0=1;
EA=1;
//bstart=1;//dubug ?????
//EN_INT;
while (1)
{
//WATCH_DOG;
CH375_process();// ch374处理
if (brev) //上位机命令处理
{
brev=0;
pc_process();
}
// sample over send data to PC
if (bover) //CCD一帧数据采集完成
{
TF0=0;
ET0=1;
cnt_send=0;
send_no=0;
do
{
CH375_process();
if (cnt_send>1) //发送实时AD值
{
//up[0]=ad_data[send_no];
//#ifdef debug
// sendcommbuffer(&up[0],1);
//#else
//TH0=0;
//TL0=0;
if (send_no ^ 27)
send_real_pc(send_no);
//#endif
send_no++;
cnt_send=0;
}
}while (send_no<28); //USB发送28数据包
cnt_send=0; //延时
do
{
if (cnt_send>200)
break;
}
while (1);
ET0=0;
bover=0;
bfirst=0;
bsample=0;
measurements=0;
EN_INT1;
}
}
}
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