Diff: main.cpp

Revision:

0:528034040a12

Child:

1:0ec0e5694c4a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 22 09:45:51 2017 +0000
@@ -0,0 +1,188 @@
+/* Copyright (c) 2016 MtM Technology Corporation, 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 <events/mbed_events.h>
+#include <mbed.h>
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "ble/services/BatteryService.h"
+#include "ble/services/DeviceInformationService.h"
+#include "PulseOximeterService.h"
+#include "M1.h"
+
+DigitalOut ledRed(p16, 1);
+Serial pc(p5, p4);
+I2C i2c(p3, p2);
+M1 m1(i2c);
+
+const static char     DEVICE_NAME[] = "MtM_PLX";
+static const uint16_t uuid16_list[] = { 0x1822, /* UUID_PULSE_OXIMETER_SERVICE */
+                                        GattService::UUID_BATTERY_SERVICE,
+                                        GattService::UUID_DEVICE_INFORMATION_SERVICE};
+
+static PulseOximeterService* plxServicePtr;
+static BatteryService* batteryServicePtr;
+
+static EventQueue eventQueue(
+    /* event count */ 16 * /* event size */ 32
+);
+
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    BLE::Instance().gap().startAdvertising();
+}
+
+void blinkCallback(void)
+{
+    ledRed = !ledRed;
+}
+
+void plxCallback(void)
+{
+    M1::Plx plx;
+    
+    BLE &ble = BLE::Instance();
+    if (ble.gap().getState().connected && m1.IsSkinIn()) {
+        m1.GetPlx(&plx);
+        plxServicePtr->updatePlxMeas((float)plx.spo2, (float)plx.pulseRate);
+    }  
+}
+
+void rawCallback(void)
+{
+    M1::Raw raw;
+    static uint8_t cnt = 0;
+    static uint8_t raw_x3[6*3];
+
+    BLE &ble = BLE::Instance();
+    if (ble.gap().getState().connected && m1.IsSkinIn()) {
+        m1.GetRaw(&raw);
+        
+        raw_x3[6*cnt+0] = (uint8_t)(raw.red >> 0);
+        raw_x3[6*cnt+1] = (uint8_t)(raw.red >> 8);
+        raw_x3[6*cnt+2] = (uint8_t)(raw.ir >> 0);
+        raw_x3[6*cnt+3] = (uint8_t)(raw.ir >> 8);
+        raw_x3[6*cnt+4] = (uint8_t)(raw.green >> 0);
+        raw_x3[6*cnt+5] = (uint8_t)(raw.green >> 8);
+        
+        if (++cnt >= 3) {
+            plxServicePtr->updateRaw(raw_x3);
+            cnt = 0;
+        }
+    } else {
+        cnt = 0;
+    }
+}
+
+void StatusCallback(void)
+{
+    M1::Status sta;
+    
+    BLE &ble = BLE::Instance();
+    if (ble.gap().getState().connected) {
+        m1.GetStatus(&sta);
+        plxServicePtr->updateStatusFlagAndSignalQuality(sta.flags, sta.signalQuality);
+    }  
+}
+
+void batteryCallback(void )
+{
+    uint8_t batteryLevel = 99;
+
+    BLE &ble = BLE::Instance();
+    if (ble.gap().getState().connected) {
+        batteryServicePtr->updateBatteryLevel(batteryLevel);
+    }
+}
+
+/**
+ * This function is called when the ble initialization process has failled
+ */
+void onBleInitError(BLE &ble, ble_error_t error)
+{
+    /* Initialization error handling should go here */
+}
+
+/**
+ * Callback triggered when the ble initialization process has finished
+ */
+void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
+{
+    BLE&        ble   = params->ble;
+    ble_error_t error = params->error;
+
+    if (error != BLE_ERROR_NONE) {
+        /* In case of error, forward the error handling to onBleInitError */
+        onBleInitError(ble, error);
+        return;
+    }
+
+    /* Ensure that it is the default instance of BLE */
+    if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
+        return;
+    }
+
+    ble.gap().onDisconnection(disconnectionCallback);
+
+    /* Setup primary service */
+    plxServicePtr     = new PulseOximeterService(ble, 0, 0);
+    batteryServicePtr = new BatteryService(ble, 100);
+    DeviceInformationService deviceInfo(ble, "MtM");
+
+    /* Setup advertising */
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *) uuid16_list, sizeof(uuid16_list));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::PULSE_OXIMETER_GENERIC);
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
+    ble.gap().startAdvertising();
+}
+
+void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
+    BLE &ble = BLE::Instance();
+    eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
+}
+
+int main()
+{
+    /* Disable the hardware flow control of Serial, then show the mbed version */
+    pc.set_flow_control(SerialBase::Disabled);
+    pc.baud(115200);
+    pc.printf("\n");
+    pc.printf("mbed version(%d.%d.%d)\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
+    pc.printf("\n");
+
+    /* Config device */
+    m1.ConfigDevice();
+
+    /* Update each data every N ms */
+    eventQueue.call_every(1000, plxCallback);
+    eventQueue.call_every(35,   rawCallback);
+    eventQueue.call_every(1000, StatusCallback);
+    eventQueue.call_every(500,  batteryCallback);
+    eventQueue.call_every(500,  blinkCallback);
+
+    BLE &ble = BLE::Instance();
+    ble.onEventsToProcess(scheduleBleEventsProcessing);
+    ble.init(bleInitComplete);
+
+    eventQueue.dispatch_forever();
+
+    return 0;
+}
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