From 58a1a961d79991641be5b9c3ccec2ef750085d8d Mon Sep 17 00:00:00 2001
From: Cody Hiar <codyfh@gmail.com>
Date: Sat, 12 May 2018 18:50:17 -0600
Subject: Initial commit

---
 dhcp-server.sh | 33 +++++++++++++++++++++++++++++++++
 moisture.py    | 15 +++++++++++++++
 temp.py        | 31 +++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+)
 create mode 100755 dhcp-server.sh
 create mode 100644 moisture.py
 create mode 100644 temp.py

diff --git a/dhcp-server.sh b/dhcp-server.sh
new file mode 100755
index 0000000..7a84d23
--- /dev/null
+++ b/dhcp-server.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+# Turn ethernet cable into DHCP device
+set -xeuo pipefail
+
+DEVICE='ens9'
+INTERNET='wlp3s0'
+ROUTERIP='192.168.123.1'
+
+echo 'Restarting Device'
+ip link set "$DEVICE" down
+ip link set "$DEVICE" up
+ip addr add "$ROUTERIP"/24 dev "$DEVICE"  # arbitrary address
+
+echo 'Allowing ip forwarding/enabling Nat'
+sysctl net.ipv4.ip_forward=1
+iptables -t nat -A POSTROUTING -o "$INTERNET" -j MASQUERADE
+iptables -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+iptables -A FORWARD -i "$DEVICE" -o "$INTERNET" -j ACCEPT
+
+echo 'Creating /etc/dhcpd.conf file'
+#Config file: /etc/dhcpd.conf
+cat > /etc/dhcpd.conf <<- EOM
+option domain-name-servers 1.1.1.1, 1.0.0.1;
+option subnet-mask 255.255.255.0;
+option routers 192.168.123.100;
+subnet 192.168.123.0 netmask 255.255.255.0 {
+    range 192.168.123.150 192.168.123.250;
+}
+EOM
+#Database file: /var/lib/dhcp/dhcpd.leases
+# cat this to see if a device has been assigned a lease
+#PID file: /var/run/dhcpd.pid
+dhcpd $DEVICE 
diff --git a/moisture.py b/moisture.py
new file mode 100644
index 0000000..c393905
--- /dev/null
+++ b/moisture.py
@@ -0,0 +1,15 @@
+#!/usr/bin/python3
+
+import time
+
+import RPi.GPIO as GPIO
+
+moisture_pin = 21
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(moisture_pin, GPIO.IN)
+
+while True:
+        print(GPIO.input(moisture_pin))
+            time.sleep(1)
+
diff --git a/temp.py b/temp.py
new file mode 100644
index 0000000..da7c310
--- /dev/null
+++ b/temp.py
@@ -0,0 +1,31 @@
+import glob
+import time
+
+os.system('modprobe w1-gpio')
+os.system('modprobe w1-therm')
+
+base_dir = '/sys/bus/w1/devices/'
+device_folder = glob.glob(base_dir + '28*')[0]
+device_file = device_folder + '/w1_slave'
+
+def read_temp_raw():
+	f = open(device_file, 'r')
+	lines = f.readlines()
+	f.close()
+	return lines
+
+def read_temp():
+	lines = read_temp_raw()
+    while lines[0].strip()[-3:] != 'YES':
+        time.sleep(0.2)
+        lines = read_temp_raw()
+        equals_pos = lines[1].find('t=')
+        if equals_pos != -1:
+            temp_string = lines[1][equals_pos+2:]
+            temp_c = float(temp_string) / 1000.0
+            temp_f = temp_c * 9.0 / 5.0 + 32.0
+            return temp_c, temp_f
+
+while True:
+        print(read_temp())
+        time.sleep(1)
-- 
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