o Adding an operation to set the wanted update interval.

  Useful for debugging to stream values and later devices where this can
  control how often the values are broadcasted.

1 files changed, 39 insertions, 7 deletions

diff --git a/app.cpp b/app.cpp
index b72b07d..19d7285 100644
--- a/app.cpp
+++ b/app.cpp
@@ -9,24 +9,37 @@
 
 #define SENSOR_COUNT 1
 
-// See http://redbearlab.com/blendmicro/
+// See http://redbearlab.com/blendmicro/ for pins.
 struct sm_sensor {
   uint8_t  pin;
   uint8_t  value;
   uint16_t warning_value;
+  uint16_t update_interval;
   uint8_t  name_length;
   uint8_t  name[SENSOR_NAME_LEN];
 } sensors[SENSOR_COUNT] = {
-  {9, 0, 10, 9, 'sensor #1'},
+  // Pin, Value, Warning Value, Update Interval, Length of Name, Name
+  {    9,     0,            10,               0,              9, 'sensor #1'},
 };
 
-void on_loop() {
+static unsigned long next_update[SENSOR_COUNT];
+
+void sm_on_connect() {
+  // Disable all updates until enabled.
+  for (int i = 0; i < SENSOR_COUNT; i++) {
+    next_update[i] = 0;
+  }
+}
+
+void sm_on_loop() {
   static unsigned long last = 0, now;
   
   static uint8_t x = 10;
 
   now = millis();
-  if (now - last > 3000) {
+
+  // TODO: implement proper notification
+  if (false || now - last > 3000) {
     last = now;
 
     struct sm_res res;
@@ -43,6 +56,7 @@ void on_loop() {
 //    } else {
 //      notify_battery_level(x);
 //    }
+
       notify_soil_moisture(res, sizeof(sm_get_value_res));
   }
 }
@@ -97,6 +111,12 @@ void write_req(struct sm_req const& req) {
       Serial.print("SM_CMD_GET_SENSOR_NAME");
       break;
 
+    case SM_CMD_SET_UPDATE_INTERVAL:
+      Serial.print("SM_CMD_SET_UPDATE_INTERVAL");
+      Serial.print(": interval_in_seconds=");
+      Serial.print(req.set_update_interval.interval_in_seconds, DEC);
+      break;
+
     default:
       Serial.print("Unknown command!");
   }
@@ -141,6 +161,10 @@ void write_res(struct sm_res const& res) {
       write_name(res.get_sensor_name.name, res.get_sensor_name.length);
       break;
 
+    case SM_CMD_SET_UPDATE_INTERVAL:
+      Serial.print("SM_CMD_SET_UPDATE_INTERVAL");
+      break;
+
     default:
       Serial.print("Unknown command!");
   }
@@ -215,7 +239,6 @@ void on_soil_moisture_ctrl(uint8_t *data, uint8_t len) {
     case SM_CMD_GET_SENSOR_NAME:
       body_len = sizeof(sm_get_sensor_name_res);
       sensor = req->get_sensor_name.sensor;
-      Serial.print("sensor="); Serial.print(sensor, DEC);
 
       if (sensor < SENSOR_COUNT) {
         res.get_sensor_name.length = sensors[sensor].name_length;
@@ -225,13 +248,22 @@ void on_soil_moisture_ctrl(uint8_t *data, uint8_t len) {
       }
       break;
 
+    case SM_CMD_SET_UPDATE_INTERVAL:
+      body_len = sizeof(sm_set_update_interval_res);
+      sensor = req->set_update_interval.sensor;
+
+      if (sensor < SENSOR_COUNT) {
+        sensors[sensor].update_interval = req->set_update_interval.interval_in_seconds;
+      } else {
+        res.code = SM_CMD_FAIL;
+      }
+      break;
+
     default:
       res.code = SM_CMD_FAIL;
       break;
   }
 
-  Serial.println();
-
   if (res.code == SM_CMD_FAIL) {
     body_len = 0;
   }