Diff: LoRaHandler/LoRaHandler.cpp

Revision:

1:71125aa00e33

Child:

7:a31236c2e75c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LoRaHandler/LoRaHandler.cpp	Thu Feb 04 12:36:36 2016 -0600
@@ -0,0 +1,182 @@
+/* Copyright (c) <2016> <MultiTech Systems>, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "LoRaHandler.h"
+
+#define signal (int32_t)0xA0
+
+typedef enum {
+    l_none = 0,
+    l_link_check,
+    l_send,
+    l_join
+} InternalLoRa;
+
+uint8_t cmd = l_none;
+std::vector<uint8_t> send_data;
+
+void l_worker(void const* argument) {
+    LoRaHandler* l = (LoRaHandler*)argument;
+    osEvent e;
+
+    l->_dot = mDot::getInstance();
+    int32_t ret;
+    mDot::link_check lc;
+    mDot::rssi_stats rs;
+    mDot::snr_stats ss;
+
+    while (true) {
+        e = Thread::signal_wait(signal);
+        if (e.status == osEventSignal) {
+            l->_status = LoRaHandler::busy;
+            l->_tick.attach(l, &LoRaHandler::blinker, 0.05);
+            switch (cmd) {
+                case l_link_check:
+                    l->_mutex.lock();
+                    lc = l->_dot->networkLinkCheck();
+                    l->_mutex.unlock();
+                    if (lc.status) {
+                        l->_link.up = lc;
+                        l->_mutex.lock();
+                        rs = l->_dot->getRssiStats();
+                        ss = l->_dot->getSnrStats();
+                        l->_mutex.unlock();
+                        l->_link.down.rssi = rs.last;
+                        l->_link.down.snr = ss.last;
+                        l->_status = LoRaHandler::link_check_success;
+                    } else {
+                        l->_status = LoRaHandler::link_check_failure;
+                    }
+                    osSignalSet(l->_main, loraSignal);
+                    l->_tick.detach();
+                    l->_activity_led = LoRaHandler::green;
+                    break;
+                
+                case l_send:
+                    l->_mutex.lock();
+                    ret = l->_dot->send(send_data);
+                    l->_mutex.unlock();
+                    if (ret == mDot::MDOT_OK)
+                        l->_status = LoRaHandler::send_success;
+                    else
+                        l->_status = LoRaHandler::send_failure;
+                    osSignalSet(l->_main, loraSignal);
+                    l->_tick.detach();
+                    l->_activity_led = LoRaHandler::green;
+                    break;
+
+                case l_join:
+                    l->_mutex.lock();
+                    ret = l->_dot->joinNetworkOnce();
+                    l->_join_attempts++;
+                    l->_mutex.unlock();
+                    if (ret == mDot::MDOT_OK) {
+                        l->_status = LoRaHandler::join_success;
+                    } else {
+                        l->_status = LoRaHandler::join_failure;
+                    }
+                    osSignalSet(l->_main, loraSignal);
+                    l->_tick.detach();
+                    l->_activity_led = LoRaHandler::green;
+                    break;
+
+                default:
+                    l->_status = LoRaHandler::none;
+                    break;
+            }
+        }
+    }
+}
+
+LoRaHandler::LoRaHandler(osThreadId main)
+  : _main(main),
+    _thread(l_worker, (void*)this),
+    _status(none),
+    _join_attempts(1),
+    _activity_led(XBEE_DIO1, PIN_OUTPUT, PullNone, red)
+{
+    _link.status = false;
+    _activity_led = red;
+}
+
+bool LoRaHandler::linkCheck() {
+    return action(l_link_check);
+}
+
+bool LoRaHandler::send(std::vector<uint8_t> data) {
+    send_data = data;
+    return action(l_send);
+}
+
+bool LoRaHandler::join() {
+        return action(l_join);
+}
+
+bool LoRaHandler::action(uint8_t c) {
+    if (_status != busy) {
+        cmd = c;
+        _thread.signal_set(signal);
+        _thread.signal_clr(signal);
+        return true;
+    }
+
+    return false;
+}
+
+LoRaHandler::LoRaStatus LoRaHandler::getStatus() {
+    LoRaStatus status;
+    _mutex.lock();
+    status = _status;
+    _mutex.unlock();
+
+    return status;
+}
+
+LoRaHandler::LoRaLink LoRaHandler::getLinkCheckResults() {
+    LoRaLink link;
+    _mutex.lock();
+    link = _link;
+    _mutex.unlock();
+
+    return link;
+}
+
+uint32_t LoRaHandler::getJoinAttempts() {
+    uint32_t val;
+
+    _mutex.lock();
+    val = _join_attempts;
+    _mutex.unlock();
+
+    return val;
+}
+
+void LoRaHandler::resetJoinAttempts() {
+    _mutex.lock();
+    _join_attempts = 1;
+    _mutex.unlock();
+}
+
+void LoRaHandler::blinker() {
+    _activity_led = !_activity_led;
+}
+
+void LoRaHandler::resetActivityLed() {
+    _activity_led = red;
+}
+