Diff: main.cpp

Revision:

22:ef03ce1c6c99

Parent:

21:0e7c08f5386f

--- a/main.cpp	Wed Oct 05 09:16:58 2016 +0000
+++ b/main.cpp	Mon Aug 13 07:09:13 2018 +0000
@@ -1,108 +1,128 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2015 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 #include "mbed.h"
-#include "ble/BLE.h"
-#include "ble/services/HeartRateService.h"
-
-DigitalOut led1(LED1, 1);
+#include "BLE.h"
+#include "XNucleoIKS01A2.h"
 
-const static char     DEVICE_NAME[]        = "HRM1";
-static const uint16_t uuid16_list[]        = {GattService::UUID_HEART_RATE_SERVICE};
-
-static volatile bool  triggerSensorPolling = false;
-
-void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
-{
-    (void)params;
-    BLE::Instance().gap().startAdvertising(); // restart advertising
-}
+#if 1 //1:シリアルモニタ表示, 0:非表示
+Serial pc(USBTX, USBRX);
+#define DEBUG(...) { pc.printf(__VA_ARGS__); }
+#else
+#define DEBUG(...)
+#endif
 
-void periodicCallback(void)
-{
-    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
-    /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
-     * heavy-weight sensor polling from the main thread. */
-    triggerSensorPolling = true;
-}
+/* Instantiate the expansion board */
+static XNucleoIKS01A2 *mems_expansion_board = XNucleoIKS01A2::instance(D14, D15, D4, D5);
+static HTS221Sensor *hum_temp = mems_expansion_board->ht_sensor;
 
-void onBleInitError(BLE &ble, ble_error_t error)
-{
-    (void)ble;
-    (void)error;
-   /* Initialization error handling should go here */
-}
+float value1, value2;
 
-void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
-{
-    BLE&        ble   = params->ble;
-    ble_error_t error = params->error;
-
-    if (error != BLE_ERROR_NONE) {
-        onBleInitError(ble, error);
-        return;
-    }
-
-    if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
-        return;
-    }
-
-    ble.gap().onDisconnection(disconnectionCallback);
-
-    /* Setup primary service. */
-    uint8_t hrmCounter = 60; // init HRM to 60bps
-    HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
+DigitalOut led(LED1);
+Ticker ticker;
+BLE ble;
+const static char DEVICE_NAME[] = "CD1";
+static Gap::ConnectionParams_t connectionParams;
+uint16_t uuid_list[] = {GattService::UUID_DEVICE_INFORMATION_SERVICE};
+uint8_t msg = 0;
+uint16_t msg16 = 0;
+uint8_t msg_low = 0;
+uint8_t msg_high = 0;
+uint8_t error_flag = 0;
 
-    /* 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::GENERIC_HEART_RATE_SENSOR);
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
-    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
-    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
-    ble.gap().startAdvertising();
-
-    // infinite loop
-    while (true) {
-        // check for trigger from periodicCallback()
-        if (triggerSensorPolling && ble.getGapState().connected) {
-            triggerSensorPolling = false;
+//ここからサービスとキャラクタリスティックの用意
+static const uint8_t UUID_CHAR_DATA[] = {0xFF,0xCF,0xFC,0xCC,0xFF,0xCF,0xFC,0xCC,0xFF,0xCF,0xFC,0xCC,0xFF,0xCF,0xFC,0xCC};//なんでもいい
+GattCharacteristic customCharastic(UUID_CHAR_DATA, (uint8_t *)&msg16, sizeof(msg16), sizeof(msg16), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
+GattCharacteristic *customChars[] = {&customCharastic};
+GattService customService(GattService::UUID_DEVICE_INFORMATION_SERVICE, customChars, sizeof(customChars) / sizeof(GattCharacteristic *));
 
-            // Do blocking calls or whatever is necessary for sensor polling.
-            // In our case, we simply update the HRM measurement.
-            hrmCounter++;
-
-            //  60 <= HRM bps <= 100
-            if (hrmCounter == 100) {
-                hrmCounter = 60;
-            }
-
-            // update bps
-            hrService.updateHeartRate(hrmCounter);
-        } else {
-            ble.waitForEvent(); // low power wait for event
-        }
+//BLE接続したら呼ばれるやつ
+void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
+    DEBUG("Connected!\n\r");
+    ble.getPreferredConnectionParams(&connectionParams);
+    connectionParams.minConnectionInterval = 7.5;
+    connectionParams.maxConnectionInterval = 10;
+    connectionParams.slaveLatency = 0;
+    if (ble.gap().updateConnectionParams(params->handle, &connectionParams) != BLE_ERROR_NONE) {
+        DEBUG("Failed to update\n\r");
     }
 }
 
-int main(void)
-{
-    Ticker ticker;
-    ticker.attach(periodicCallback, 1); // blink LED every second
+//BLE切断したら呼ばれるやつ
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) {
+    DEBUG("Disconnected!\n\r");
+    ticker.detach();
+    ble.gap().startAdvertising();
+}
 
-    BLE::Instance().init(bleInitComplete);
+//周期的に呼ばれるやつ
+void tickerCallback() {
+    DEBUG("update\n\r");
+    hum_temp->get_temperature(&value1);
+    msg_high = (uint8_t)value1;
+    msg_low = (uint8_t) ((value1 - msg_high) *255);
+    msg16 = msg_high << 8 | msg_low ;
+    DEBUG("msg = 0x%x\n\r", msg16);
+    error_flag = ble.updateCharacteristicValue(customCharastic.getValueAttribute().getHandle(), (uint8_t *)&msg16 , sizeof(msg16));
+    DEBUG("error = %d\n\r", error_flag);
+}
+
+//通知を開始するやつ
+void updatesEnabledCallback(Gap::Handle_t handle) {
+    led = 1;
+    ticker.attach(&tickerCallback, 10);
+    DEBUG("Notification is enabled\n\r");
+}
+
+//通知を停止するやつ
+void updatesDisabledCallback(Gap::Handle_t handle) {
+    led = 0;
+    ticker.detach();
+    DEBUG("Notification is disabled\n\r");
 }
 
+void printMacAddress()
+{
+    /* Print out device MAC address to the console*/
+    Gap::AddressType_t addr_type;
+    Gap::Address_t address;
+    BLE::Instance().gap().getAddress(&addr_type, address);
+    printf("DEVICE MAC ADDRESS: ");
+    for (int i = 5; i >= 1; i--){
+        printf("%02x:", address[i]);
+    }
+    printf("%02x\r\n", address[0]);
+}
+
+
+int main(void) {
+    uint8_t id;
+    
+    DEBUG("start\n\r");
+    
+    hum_temp->enable();
+    hum_temp->read_id(&id);
+    printf("HTS221  humidity & temperature    = 0x%X\r\n", id);
+    DEBUG("Initialize\n\r");
+    ble.init();
+
+    DEBUG("Setup the event handlers\n\r");
+    ble.gap().onConnection(connectionCallback);
+    ble.gap().onDisconnection(disconnectionCallback);
+    ble.onUpdatesEnabled(updatesEnabledCallback);
+    ble.onUpdatesDisabled(updatesDisabledCallback);
+
+    DEBUG("Advertising payload\n\r");
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid_list, sizeof(uuid_list));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof((const uint8_t *)DEVICE_NAME));
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.gap().setAdvertisingInterval(160); //100ms;
+    ble.gap().startAdvertising();
+
+    DEBUG("Add service\n\r");
+    ble.gattServer().addService(customService);
+
+    printMacAddress();
+
+    while (true) {
+        ble.waitForEvent();
+    }
+}
\ No newline at end of file