Merge PACE

Changelog.md

@@ -1,4 +1,6 @@
 ## [Unreleased]
+### Added
+- Merge PACE into POCS
 
 ## [0.5.1] - 2017-12-02
 ### Added

resources/arduino_files/camera_board/camera_board.ino

@@ -0,0 +1,165 @@
+#include <Wire.h>
+#include <stdlib.h>
+#include <Adafruit_MMA8451.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+
+#define DHT_TYPE DHT22 // DHT 22  (AM2302)
+
+/* DECLARE PINS */
+const int DHT_PIN = 9;      // DHT Temp & Humidity Pin
+const int CAM_01_RELAY = 5;
+const int CAM_02_RELAY = 6;
+const int RESET_PIN = 12;
+
+
+/* CONSTANTS */
+Adafruit_MMA8451 accelerometer = Adafruit_MMA8451();
+
+// Setup DHT22
+DHT dht(DHT_PIN, DHT_TYPE);
+
+int led_value = LOW;
+
+void setup(void) {
+  Serial.begin(9600);
+  Serial.flush();
+
+  // Turn off LED inside camera box
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(LED_BUILTIN, LOW);
+
+  // Setup Camera relays
+  pinMode(CAM_01_RELAY, OUTPUT);
+  pinMode(CAM_02_RELAY, OUTPUT);
+
+  pinMode(RESET_PIN, OUTPUT);  
+
+  // Turn on Camera relays
+  turn_pin_on(CAM_01_RELAY);
+  turn_pin_on(CAM_02_RELAY);
+
+  if (! accelerometer.begin()) {
+    while (1);
+  }
+
+  dht.begin();
+
+  // Check Accelerometer range
+  // accelerometer.setRange(MMA8451_RANGE_2_G);
+  // Serial.print("Accelerometer Range = "); Serial.print(2 << accelerometer.getRange());
+  // Serial.println("G");
+}
+
+void loop() {
+
+  // Read any serial input
+  //    - Input will be two comma separated integers, the
+  //      first specifying the pin and the second the status
+  //      to change to (1/0). Cameras and debug led are
+  //      supported.
+  //      Example serial input:
+  //           4,1   # Turn fan on
+  //          13,0   # Turn led off
+  while (Serial.available() > 0) {
+    int pin_num = Serial.parseInt();
+    int pin_status = Serial.parseInt();
+
+    switch (pin_num) {
+    case CAM_01_RELAY:
+    case CAM_02_RELAY:
+      if (pin_status == 1) {
+        turn_pin_on(pin_num);
+      } else if (pin_status == 0) {
+        turn_pin_off(pin_num);
+      } else if (pin_status == 9) {
+        toggle_pin(pin_num);
+      }
+      break;
+    case RESET_PIN:
+      if (pin_status == 1) {
+        turn_pin_off(RESET_PIN);
+      }
+      break;
+    case LED_BUILTIN:
+      digitalWrite(pin_num, pin_status);
+      break;
+    }
+  }
+
+  // Begin reading values and outputting as JSON string
+  Serial.print("{");
+
+  read_status();
+
+  read_accelerometer();
+
+  read_dht_temp();
+
+  Serial.print("\"name\":\"camera_board\""); Serial.print(",");
+
+  Serial.print("\"count\":"); Serial.print(millis());
+
+  Serial.println("}");
+
+  Serial.flush();
+  delay(1000);
+}
+
+void read_status() {
+
+  Serial.print("\"power\":{");
+  Serial.print("\"camera_00\":"); Serial.print(is_pin_on(CAM_01_RELAY)); Serial.print(',');
+  Serial.print("\"camera_01\":"); Serial.print(is_pin_on(CAM_02_RELAY)); Serial.print(',');  
+  Serial.print("},");
+}
+
+/* ACCELEROMETER */
+void read_accelerometer() {
+  /* Get a new sensor event */
+  sensors_event_t event;
+  accelerometer.getEvent(&event);
+  uint8_t o = accelerometer.getOrientation(); // Orientation
+
+  Serial.print("\"accelerometer\":{");
+  Serial.print("\"x\":"); Serial.print(event.acceleration.x); Serial.print(',');
+  Serial.print("\"y\":"); Serial.print(event.acceleration.y); Serial.print(',');
+  Serial.print("\"z\":"); Serial.print(event.acceleration.z); Serial.print(',');
+  Serial.print("\"o\": "); Serial.print(o);
+  Serial.print("},");
+}
+
+//// Reading temperature or humidity takes about 250 milliseconds!
+//// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+void read_dht_temp() {
+  float h = dht.readHumidity();
+  float c = dht.readTemperature(); // Celsius
+
+  Serial.print("\"humidity\":"); Serial.print(h); Serial.print(',');
+  Serial.print("\"temp_00\":"); Serial.print(c); Serial.print(",");
+}
+
+/************************************
+* Utitlity Methods
+*************************************/
+
+void toggle_led() {
+  led_value = ! led_value;
+  digitalWrite(LED_BUILTIN, led_value);
+}
+
+void toggle_pin(int pin_num) {
+  digitalWrite(pin_num, !digitalRead(pin_num));
+}
+
+void turn_pin_on(int camera_pin) {
+  digitalWrite(camera_pin, HIGH);
+}
+
+void turn_pin_off(int camera_pin) {
+  digitalWrite(camera_pin, LOW);
+}
+
+int is_pin_on(int camera_pin) {
+  return digitalRead(camera_pin);
+}