20180129

README.md

@@ -1,4 +1,9 @@
 # raspberrypi
 
-raspberrypi_zero GPIO 实现的智能家居
-- 根据 http://shumeipai.nxez.com/2016/06/26/raspberry-pi-diy-with-a-smart-home-server.html
+raspberrypi zero w GPIO 实现的智能家居
+- 参考:http://shumeipai.nxez.com/2016/06/26/raspberry-pi-diy-with-a-smart-home-server.html
+
+- 我发现传感器的数据是实时的,传感器的工作必须是实时的
+- 有时做不到数据的准确
+- 就做了多进程的shell(不同pid)来满足传感器数据现状,一个进程收集传感器数据,另一个进程处理.
+_

raspberrypi_zero/gpio/info.sh

@@ -18,12 +18,17 @@ function DATE()
     S=$(date "+%S");
 }
 
+function SLEEP()
+{
+    sleep $@
+}
+
 function get18b20data()
 {
     MODEL="28-04174019f0ff";
     if test -d "/sys/devices/w1_bus_master1/${MODEL}"; then
         temperature=$(cat /sys/devices/w1_bus_master1/28-04174019f0ff/w1_slave | grep 't=' | sed 's/^.*t=//g' | awk '{print $1/1000}');
-        echo $y年$m月$d日$H时$M分$S秒
+        #echo $y年$m月$d日$H时$M分$S秒
         echo -ne "当前室内温度: ";
         echo -e "\e[1;31m${temperature}℃ \e[0m";
     else
@@ -46,20 +51,23 @@ function lightinfo()
     bindir="/root/gpio"
     ! test -d ${bindir} && exit 1;
     #时间范围
-    high="1900";
+    high="1500";
     low="2400";
+
     #当前时间
     now=$(date +%H%M);
-    bcm_lightpin="21";
-    wiringpi_lightpin="29";
-    #wiringpi_infrared="20";
+    bcm_lightpin="20";
+    wiringpi_lightpin="28";
+
+    wiringpi_infrared="6";
     
     #判断手机是否在线
-    phoneip="192.168.137.27";
-    phonelogic="$(ping ${phoneip} -c 1 -S 1 &> /dev/null; echo $?)";
+    #phoneip="192.168.137.27";
+    #phonelogic="$(ping ${phoneip} -c 1 -S 1 &> /dev/null; echo $?)";
 
     #判断人体红外线传感器
-    infrared=$(${bindir}/info_infrared ${wiringpi_infrared});
+    #infrared=$(${bindir}/info_infrared ${wiringpi_infrared});
+    infrared=$(cat ${bindir}/infrared.log 2> /dev/null);
 
     #距离传感器
     l="60";
@@ -78,20 +86,31 @@ function lightinfo()
 
 }
 
-DATE;
+#DATE;
 #getcpudata;
 #get18b20data >> ~/temperature.txt;
 lightinfo;
 
+
+function WHILE()
+{
+    while true; do
+        ${bindir}/info_infrared ${wiringpi_infrared} > infrared.log
+        SLEEP 1
+    done
+}
+
 function main_()
 {
 while true; do
     if [ "${now}" -ge "${high}" -a "${now}" -le "${low}" ]; then             #检测时间段
-        if [ "${phonelogic}" == "0" ]; then                                  #检测手机IP
-        #if [ "${infrared}" = "1" ]; then                                    #检测人体红外线
+        #if [ "${phonelogic}" == "0" ]; then                                 #检测手机IP
+        #echo ${infrared}
+        if [ "${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
                 ${start_light};
+                SLEEP 9;
             fi
         else
             if test "${lightpinvalue}" = "1"; then                  #如果开着就关闭
@@ -104,20 +123,47 @@ while true; do
         fi
     fi
     lightinfo;                                                      #再次获取信息
-    sleep 7;                                                        #睡眠
+    SLEEP 1;                                                        #睡眠
 done
 }
 
-while getopts :d pi
+while getopts :ds: pi
 do
 case ${pi} in
     d)
         daemon='&';
         ;;
-    h|?)
+    s)
+        case $OPTARG in
+            "stop")
+                array=$(ls ${bindir}/log/)
+                for arr in ${array[@]}; do
+                    kill $(cat ${bindir}/log/${arr})
+                done
+                exit 0
+                ;;
+            *)
                 :
                 ;;
+        esac
+        exit 0
+        ;;
+    h|?)
+        echo "
+raspberrypi zero w 智能灯控
+$0 Usage: $0 [-?|h] [-d] [-s]
+    -d Daemon.
+    -s kill Daemon, signal: stop.
+
+by aixiao.
+"
+exit 0
+        ;;
 esac
 done
 
+WHILE &
+WHILEID="$(echo $!)"
+echo ${WHILEID} > log/infrared.pid 2> /dev/null
 eval main_ ${daemon}
+echo $! > log/main.pid 2> /dev/null

raspberrypi_zero/gpio/infrared.log

@@ -0,0 +1 @@
+1

raspberrypi_zero/gpio/log/infrared.pid

@@ -0,0 +1 @@
+14389

raspberrypi_zero/gpio/log/main.pid

@@ -0,0 +1 @@
+14392