dlg_ad.c

基于minigui的智能手机pda源码

#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <time.h> 
#include <unistd.h> 
#include <sys/types.h> 
#include <sys/ipc.h> 
#include <sys/ioctl.h> 
#include <pthread.h> 
#include <fcntl.h> 
#include <minigui/common.h> 
#include <minigui/minigui.h> 
#include <minigui/gdi.h> 
#include <minigui/window.h> 
#include <minigui/control.h> 
#define IDC_AD_WINFO 101 
#define IDC_AD_WATER 102 
#define IDC_AD_AINFO 103 
#define IDC_AD_AIR 104 
#define IDC_AD_SINFO 105 
#define IDC_AD_SOIL 106 
#define IDC_AD_CANCEL 107 
static HWND hwnd_ad; //AD转换窗口句柄 
static BOOL STOP; //线程停止标志 
static BOOL PAUSE; //线程暂停标志  

#include "s3c2410-adc.h" 
#define ADC_DEV "/dev/adc/0raw" 
static int adc_fd = -1; 
int init_ADdevice(void) 
{ 
if((adc_fd=open(ADC_DEV, O_RDWR))<0){ 
printf("Error opening %s adc device\n", ADC_DEV); 
return -1; 
} 
} 
int GetADresult(int channel) 
{ 
int PRESCALE=0XFF; 
int data=ADC_WRITE(channel, PRESCALE); 
write(adc_fd, &data, sizeof(data)); 
read(adc_fd, &data, sizeof(data)); 
return data; 
} 
static DLGTEMPLATE DlgAD = 
{ 
WS_BORDER | WS_CAPTION, 
WS_EX_NONE, 
25, 45, 270, 150, 
"数据采集", 
0, 
0, 
7, NULL, 
0 
}; 
static CTRLDATA CtrlAD [] = 
{ 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
10, 50, 30, 16, 
IDC_AD_WINFO, 
"水质:", 
0 
}, 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
40, 50, 50, 16,  

IDC_AD_WATER, 
"0.0", 
0 
}, 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
100, 50, 30, 16, 
IDC_AD_AINFO, 
"空气:", 
0 
}, 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
130, 50, 50, 16, 
IDC_AD_AIR, 
"0.0", 
0 
}, 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
190, 50, 30, 16, 
IDC_AD_SINFO, 
"土壤:", 
0 
}, 
{ 
"static", 
WS_VISIBLE | SS_SIMPLE, 
220, 50, 50, 16, 
IDC_AD_SOIL, 
"0.0", 
0 
}, 
{ 
"button", 
WS_TABSTOP | WS_VISIBLE | BS_DEFPUSHBUTTON, 
150, 80, 60, 25, 
IDC_AD_CANCEL, 
"取消", 
0 
}  

}; 
static void* GetADData (void * arg) 
{ 
int i; 
float ad_data[3]={0.0, 0.0, 0.0}; 
char ptr[3][7]; 
usleep(1); 
while(STOP == FALSE) 
{ 
if(PAUSE == FALSE) 
{ 
for (i=0;i<3;i++) 
{ 
ad_data[i] = ((float)GetADresult(i)* 3.3) / 1024.0; 
gcvt(ad_data[i], 5, ptr[i]); 
ptr[i][6] = '\0'; 
} 

/*将获得的通道数据显示到相应控件中*/ 
SetWindowText(GetDlgItem(hwnd_ad,IDC_AD_WATER),ptr[0]);
SetWindowText(GetDlgItem(hwnd_ad,IDC_AD_AIR),ptr[1]);
SetWindowText(GetDlgItem(hwnd_ad,IDC_AD_SOIL),ptr[2]);

sleep(1); 
} 
} 
} 
static int DlgADProc (HWND hDlg, int message, WPARAM wParam, LPARAM lParam) 
{ 
char buf[7] = {'\0'}; 
time_t timep; 
struct tm *gmt; 
hwnd_ad = hDlg; 
switch (message) 
{ 
case MSG_COMMAND: 
switch (wParam) 
{ 
case IDC_AD_CANCEL: 
PAUSE =TRUE; 
STOP = TRUE; 
EndDialog (hDlg, wParam); 
break; 
} 
break; 
case MSG_CLOSE: 
STOP = TRUE; 
EndDialog (hDlg,wParam);  

break; 
} 
return DefaultDialogProc (hDlg, message, wParam, lParam); 
} 
int OpenAD (HWND hWnd) 
{ 
pthread_t th_ad; 
STOP = FALSE; 
/*初始化A/D设备*/ 
init_ADdevice();

DlgAD.controls = CtrlAD; 
//建立数据采集线程 
pthread_create (&th_ad, NULL, GetADData, 0); 
//建立AD对话框 
DialogBoxIndirectParam (&DlgAD, hWnd, DlgADProc, 0L); 
//关闭数据采集线程 
pthread_join (th_ad, NULL); 
}