20180702

gpio/Makefile

@@ -1,23 +1,20 @@
 CC=gcc
 libs=info_infrared.o info_light.o info_pin.o info_sound.o info_ultrasound.o
 
-all: infrared light pin sound ultrasound
+all: infrared light pin sound ultrasound wind_
 
-infrared: info_infrared.o
-	$(CC) -c info_infrared.c
-	$(CC) info_infrared.o -o info_infrared -lwiringPi
-light: info_light.o
-	$(CC) -c info_light.c
-	$(CC) info_light.o -o info_light -lwiringPi
-pin: info_pin.o
-	$(CC) -c info_pin.c
-	$(CC) info_pin.o -o info_pin -lwiringPi
-sound: info_sound.o
-	$(CC) -c info_sound.c
-	$(CC) info_sound.o -o info_sound -lwiringPi
-ultrasound: info_ultrasound.o
-	$(CC) -c info_ultrasound.c
-	$(CC) info_ultrasound.o -o info_ultrasound -lwiringPi
+infrared: info_infrared
+	$(CC) info_infrared.c -o info_infrared -lwiringPi
+light: info_light
+	$(CC) info_light.c -o info_light -lwiringPi
+pin: info_pin
+	$(CC) info_pin.c -o info_pin -lwiringPi
+sound: info_sound
+	$(CC) info_sound.c -o info_sound -lwiringPi
+ultrasound: info_ultrasound
+	$(CC) info_ultrasound.c -o info_ultrasound -lwiringPi
+wind_: wind
+	${CC} wind.c -o wind
 
 .PHONY : clean
 clean :

gpio/info.sh

@@ -184,7 +184,7 @@ function sound()
 function wind_daemon()
 {
 	while true; do
-		${bindir}/wind > ${bindir}/data/wind.data;		: 温度传感器获取室内温度信息.
+		${bindir}/wind -d ${device} > ${bindir}/data/wind.data;		: 温度传感器获取室内温度信息.
 		SLEEP 9;
 	done
 }

gpio/log/wind.pid

@@ -1 +1 @@
-9062
+7721

gpio/wind.c

@@ -7,9 +7,27 @@
 #include <time.h>
 #include <stdlib.h>
 
-#define N 80
+#define N 99
 
 int main(int argc, char *argv[])
+{
+    int ch;
+    opterr = 0;
+    while((ch = getopt(argc, argv, "d:h?")) != -1)
+	switch (ch) {
+	case 'd':
+        _main(optarg);
+	    break;
+	case 'h': case '?':
+        printf("wind -d device\n");
+	    exit(0);
+	    break;
+	default:
+	    ;
+	}
+}
+
+int _main(char *optarg)
 {
     char path[50] = "/sys/bus/w1/devices/";
     char rom[20];
@@ -19,6 +37,9 @@ int main(int argc, char *argv[])
     FILE *fp;
     char *temp;
     float value;
+    char *device;               // 设备
+	if(optarg == '\0')
+	    strcmp(device, optarg);
 	
     system("sudo modprobe w1-gpio");
     system("sudo modprobe w1-therm");
@@ -27,7 +48,7 @@ int main(int argc, char *argv[])
     }
 
     while((direntp = readdir(dirp)) != NULL) {
-        if(strstr(direntp->d_name, "28-0")) {
+        if(strstr(direntp->d_name, device)) {
             strcpy(rom, direntp->d_name);
         }
     }