From 11ac166f3476116b08eeaffc25d80b163573089b Mon Sep 17 00:00:00 2001
From: Mike Fiore <mfiore@multitech.com>
Date: Tue, 17 Nov 2015 13:04:00 -0600
Subject: join works, but only once - added object for running LoRa operations
 in a thread, lots of misc updates

---
 LoRaHandler/LoRaHandler.cpp | 166 ++++++++++++++++++++++++++++++++++++++++++++
 LoRaHandler/LoRaHandler.h   |  50 +++++++++++++
 2 files changed, 216 insertions(+)
 create mode 100644 LoRaHandler/LoRaHandler.cpp
 create mode 100644 LoRaHandler/LoRaHandler.h

(limited to 'LoRaHandler')

diff --git a/LoRaHandler/LoRaHandler.cpp b/LoRaHandler/LoRaHandler.cpp
new file mode 100644
index 0000000..3e28782
--- /dev/null
+++ b/LoRaHandler/LoRaHandler.cpp
@@ -0,0 +1,166 @@
+#include "LoRaHandler.h"
+#include "MTSLog.h"
+
+#define signal (int32_t)0xA0
+
+typedef enum {
+    l_none = 0,
+    l_ping,
+    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::ping_response pr;
+    mDot::rssi_stats rs;
+    mDot::snr_stats ss;
+
+    while (true) {
+        e = Thread::signal_wait(signal);
+        if (e.status == osEventSignal) {
+            logInfo("LoRa worker received signal");
+            switch (cmd) {
+                case l_ping:
+                    l->_mutex.lock();
+                    pr = l->_dot->ping();
+                    l->_mutex.unlock();
+                    if (pr.status == mDot::MDOT_OK) {
+                        l->_ping.up = pr;
+                        l->_mutex.lock();
+                        rs = l->_dot->getRssiStats();
+                        ss = l->_dot->getSnrStats();
+                        l->_mutex.unlock();
+                        l->_ping.down.rssi = rs.last;
+                        l->_ping.down.snr = ss.last;
+                        l->_status = LoRaHandler::ping_success;
+                    } else {
+                        l->_status = LoRaHandler::ping_failure;
+                    }
+                    logInfo("LoRa worker signaling main");
+                    osSignalSet(l->_main, loraSignal);
+                    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;
+                    logInfo("LoRa worker signaling main");
+                    osSignalSet(l->_main, loraSignal);
+                    break;
+
+                case l_join:
+                    logInfo("LoRa worker joining");
+                    l->_mutex.lock();
+                    ret = l->_dot->joinNetworkOnce();
+                    l->_mutex.unlock();
+                    if (ret == mDot::MDOT_OK) {
+                        logInfo("LoRa worker signaling main - success");
+                        l->_status = LoRaHandler::join_success;
+                    } else {
+                        logInfo("LoRa worker signaling main - failure");
+                        l->_status = LoRaHandler::join_failure;
+                    }
+                    osSignalSet(l->_main, loraSignal);
+                    break;
+
+                default:
+                    break;
+            }
+        }
+    }
+}
+
+LoRaHandler::LoRaHandler(osThreadId main)
+  : _main(main),
+    _thread(l_worker, (void*)this),
+    _status(none)
+{
+    logInfo("starting");
+    _ping.status = false;
+}
+
+bool LoRaHandler::setDataRate(uint8_t rate) {
+    int32_t res;
+    _mutex.lock();
+    res = _dot->setTxDataRate(rate);
+    _mutex.unlock();
+    if (res == mDot::MDOT_OK)
+        return true;
+
+    return false;
+}
+
+bool LoRaHandler::setPower(uint32_t power) {
+    int32_t res;
+    _mutex.lock();
+    res = _dot->setTxPower(power);
+    _mutex.unlock();
+    if (res == mDot::MDOT_OK)
+        return true;
+
+    return false;
+}
+
+bool LoRaHandler::ping() {
+    return action(l_ping);
+}
+
+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::LoRaPing LoRaHandler::getPingResults() {
+    LoRaPing ping;
+    _mutex.lock();
+    ping = _ping;
+    _mutex.unlock();
+
+    return ping;
+}
+
+uint32_t LoRaHandler::getNextTx() {
+    uint32_t ms;
+    _mutex.lock();
+    ms = _dot->getNextTxMs();
+    _mutex.unlock();
+
+    return ms;
+}
+
diff --git a/LoRaHandler/LoRaHandler.h b/LoRaHandler/LoRaHandler.h
new file mode 100644
index 0000000..20f9d6f
--- /dev/null
+++ b/LoRaHandler/LoRaHandler.h
@@ -0,0 +1,50 @@
+#ifndef __LORAHANDLER_H__
+#define __LORAHANDLER_H__
+
+#include "mDot.h"
+
+#define loraSignal (int32_t)0x02
+
+class LoRaHandler {
+    public:
+        typedef enum {
+            none = 0,
+            busy,
+            ping_success,
+            send_success,
+            join_success,
+            ping_failure,
+            send_failure,
+            join_failure
+        } LoRaStatus;
+
+        typedef struct {
+            bool status;
+            mDot::ping_response up;
+            mDot::ping_response down;
+        } LoRaPing;
+
+        LoRaHandler(osThreadId main);
+        ~LoRaHandler();
+
+        bool setDataRate(uint8_t rate);
+        bool setPower(uint32_t power);
+        bool ping();
+        bool send(std::vector<uint8_t> data);
+        bool join();
+        bool action(uint8_t cmd);
+        LoRaStatus getStatus();
+        LoRaPing getPingResults();
+        uint32_t getNextTx();
+
+
+        osThreadId _main;
+        Thread _thread;
+        LoRaStatus _status;
+        LoRaPing _ping;
+        mDot* _dot;
+        Mutex _mutex;
+};
+
+#endif
+
-- 
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