20180128

raspberrypi_zero/gpio/info.sh

@@ -8,7 +8,6 @@
 # AUthor: aixiao@aixiao.me.
 #
 
-
 function DATE()
 {
     y=$(date "+%y");
@@ -47,20 +46,31 @@ function lightinfo()
     bindir="/root/gpio"
     ! test -d ${bindir} && exit 1;
     #时间范围
-    high="1400";
+    high="1900";
-    low="1430";
+    low="2400";
     #当前时间
     now=$(date +%H%M);
-    bcm_lightpin="20";
+    bcm_lightpin="21";
-    wiringpi_lightpin="28";
+    wiringpi_lightpin="29";
+    #wiringpi_infrared="20";
     
     #判断手机是否在线
-    phoneip="192.168.137.175";
+    phoneip="192.168.137.27";
     phonelogic="$(ping ${phoneip} -c 1 -S 1 &> /dev/null; echo $?)";
 
+    #判断人体红外线传感器
+    infrared=$(${bindir}/info_infrared ${wiringpi_infrared});
+
+    #距离传感器
+    l="60";
+    s="150";
+    wiringpi_tring="8";
+    wiringpi_echo="9";
+    #distance="$(${bindir}/info_ultrasound ${wiringpi_tring} ${wiringpi_echo})";
+
     #读取灯pin值
     lightpinvalue="$(${bindir}/info_pin ${wiringpi_lightpin})";
-    lightpinvalue="$(gpio -g read ${bcm_lightpin})";
+    #lightpinvalue="$(gpio -g read ${bcm_lightpin})";
 
     #开灯&关灯
     start_light="${bindir}/info_light ${wiringpi_lightpin} 1";
@@ -73,10 +83,14 @@ DATE;
 #get18b20data >> ~/temperature.txt;
 lightinfo;
 
+function main_()
+{
 while true; do
-    if [ "${now}" -ge "${high}" -a "${now}" -le "${low}" ]; then    #检测时间段
+    if [ "${now}" -ge "${high}" -a "${now}" -le "${low}" ]; then             #检测时间段
-        if [ "${phonelogic}" == "0" ]; then                         #检测手机IP
+        if [ "${phonelogic}" == "0" ]; then                                  #检测手机IP
-            if test "${lightpinvalue}" = "0"; then                  #检测灯pin值
+        #if [ "${infrared}" = "1" ]; then                                    #检测人体红外线
+        #if [ "${distance}" -ge ${l} -a "${distance}" -le ${s} ]; then       #检测距离范围
+            if test "${lightpinvalue}" = "0"; then                           #检测灯pin值
                 ${start_light};
             fi
         else
@@ -90,6 +104,20 @@ while true; do
         fi
     fi
     lightinfo;                                                      #再次获取信息
-    sleep 9;                                                        #睡眠
+    sleep 7;                                                        #睡眠
+done
+}
+
+while getopts :d pi
+do
+case ${pi} in
+    d)
+        daemon='&';
+        ;;
+    h|?)
+        :
+        ;;
+esac
 done
 
+eval main_ ${daemon}

raspberrypi_zero/gpio/info_infrared.c

@@ -0,0 +1,37 @@
+#include <wiringPi.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+int main(int argc, char *argv[])
+{
+    if(argc != 2) {
+        exit(0);
+    }
+    int pin = atol(argv[1]);
+    int status = 0;
+    wiringPiSetup();
+
+    //设置为输入模式
+    pinMode(pin, INPUT);
+
+    //很重要。控制默认情况下此PIN处于下拉低电平状态
+    pullUpDnControl(pin, PUD_DOWN);
+
+/*
+    while(true)
+    {
+        delay(1000);
+        //读取当前pin的输入状态
+        if(digitalRead(pin) == 1) {
+            printf("There is somebody here\n");
+        }
+        else {
+            printf("There is no one here\n");
+        }
+    }
+*/
+    status = digitalRead(pin);
+    printf("%d\n", status);
+        
+}

raspberrypi_zero/gpio/info_ultrasound.c

@@ -0,0 +1,42 @@
+#include <wiringPi.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char * argv[])
+{
+    int i;
+    if( argc != 3) {
+        exit(0);
+    }
+
+    int pin_tring = atol(argv[1]);
+    int pin_echo  = atol(argv[2]); 
+    struct timeval tv1;
+    struct timeval tv2;
+    long start_time, stop_time;
+    float distance;
+
+    if(wiringPiSetup() == -1) {
+        exit(0);
+        return 0;
+    }
+    digitalWrite(pin_tring, LOW);
+    digitalWrite(pin_tring, HIGH);
+    delayMicroseconds(10);
+    digitalWrite(pin_tring, LOW);
+
+    while(!(digitalRead(pin_echo) == 1));
+        gettimeofday(&tv1, NULL);
+    
+    while(!(digitalRead(pin_echo) == 0));
+        gettimeofday(&tv2, NULL);
+
+    start_time = tv1.tv_sec * 1000000 + tv1.tv_usec;
+    stop_time  = tv2.tv_sec * 1000000 + tv2.tv_usec;
+
+    distance = (float)(stop_time - start_time) / 1000000 * 34000 / 2;
+
+    printf("%0.0f\n", distance);
+    return distance; 
+}