Kris Scholte Lubberink / Mbed OS SSS_Ble

Ble for smart sOlutions

Dependencies:   Adafruit_WS2801

source/main.cpp@0:fe5389573740, 2019-01-16 (annotated)

Committer:
krissl
Date:
Wed Jan 16 09:50:35 2019 +0000
Revision:
0:fe5389573740
Child:
1:9fc54848a198
Test;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
krissl 0:fe5389573740 1 /* mbed Microcontroller Library
krissl 0:fe5389573740 2 * Copyright (c) 2006-2014 ARM Limited
krissl 0:fe5389573740 3 *
krissl 0:fe5389573740 4 * Licensed under the Apache License, Version 2.0 (the "License");
krissl 0:fe5389573740 5 * you may not use this file except in compliance with the License.
krissl 0:fe5389573740 6 * You may obtain a copy of the License at
krissl 0:fe5389573740 7 *
krissl 0:fe5389573740 8 * http://www.apache.org/licenses/LICENSE-2.0
krissl 0:fe5389573740 9 *
krissl 0:fe5389573740 10 * Unless required by applicable law or agreed to in writing, software
krissl 0:fe5389573740 11 * distributed under the License is distributed on an "AS IS" BASIS,
krissl 0:fe5389573740 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
krissl 0:fe5389573740 13 * See the License for the specific language governing permissions and
krissl 0:fe5389573740 14 * limitations under the License.
krissl 0:fe5389573740 15 */
krissl 0:fe5389573740 16
krissl 0:fe5389573740 17 #include <events/mbed_events.h>
krissl 0:fe5389573740 18 #include <mbed.h>
krissl 0:fe5389573740 19 #include "ble/BLE.h"
krissl 0:fe5389573740 20 #include "ble/Gap.h"
krissl 0:fe5389573740 21 #include "ble/services/EnvironmentalService.h"
krissl 0:fe5389573740 22 #include "GattCallbackParamTypes.h"
krissl 0:fe5389573740 23 #include "mbed.h"
krissl 0:fe5389573740 24 #include "Dht11.h"
krissl 0:fe5389573740 25
krissl 0:fe5389573740 26 Serial pc(USBTX, USBRX);
krissl 0:fe5389573740 27 Dht11 sensor(A0);
krissl 0:fe5389573740 28 //DigitalOut sensorPower(PTD24, 1);
krissl 0:fe5389573740 29
krissl 0:fe5389573740 30 //Serial pc(USBTX, USBRX); // tx, rx
krissl 0:fe5389573740 31
krissl 0:fe5389573740 32 DigitalOut led1(LED1, 1);
krissl 0:fe5389573740 33
krissl 0:fe5389573740 34 const static char DEVICE_NAME[] = "MARCO&KRIS-slow";
krissl 0:fe5389573740 35 static const uint16_t uuid16_list[] = {GattService::UUID_ENVIRONMENTAL_SERVICE};
krissl 0:fe5389573740 36
krissl 0:fe5389573740 37 static uint8_t batteryLevel = 50;
krissl 0:fe5389573740 38 static EnvironmentalService* batteryServicePtr;
krissl 0:fe5389573740 39
krissl 0:fe5389573740 40 static EventQueue eventQueue(/* event count */ 16 * EVENTS_EVENT_SIZE);
krissl 0:fe5389573740 41
krissl 0:fe5389573740 42 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
krissl 0:fe5389573740 43 {
krissl 0:fe5389573740 44 BLE::Instance().gap().startAdvertising();
krissl 0:fe5389573740 45 }
krissl 0:fe5389573740 46 void connectionCallback(const Gap::ConnectionCallbackParams_t *params)
krissl 0:fe5389573740 47 {
krissl 0:fe5389573740 48 pc.printf("\r\n *******Got connection****** \r\n");
krissl 0:fe5389573740 49 /* Setup advertising */
krissl 0:fe5389573740 50 BLE::Instance().gap().startAdvertising();
krissl 0:fe5389573740 51 pc.printf("****** Restarted advertising? ******\r\n");
krissl 0:fe5389573740 52 }
krissl 0:fe5389573740 53 void updateSensorValue() {
krissl 0:fe5389573740 54 // pc.printf("Temp sensing");
krissl 0:fe5389573740 55 sensor.read();
krissl 0:fe5389573740 56 pc.printf("T: %d, H: %d\r\n", sensor.getCelsius(), sensor.getHumidity());
krissl 0:fe5389573740 57 batteryServicePtr->updateHumidity(sensor.getHumidity());
krissl 0:fe5389573740 58 batteryServicePtr->updateTemperature(sensor.getCelsius());
krissl 0:fe5389573740 59 }
krissl 0:fe5389573740 60
krissl 0:fe5389573740 61 void blinkCallback(void)
krissl 0:fe5389573740 62 {
krissl 0:fe5389573740 63 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
krissl 0:fe5389573740 64
krissl 0:fe5389573740 65 BLE &ble = BLE::Instance();
krissl 0:fe5389573740 66 if (ble.gap().getState().connected) {
krissl 0:fe5389573740 67 eventQueue.call(updateSensorValue);
krissl 0:fe5389573740 68 }
krissl 0:fe5389573740 69 }
krissl 0:fe5389573740 70
krissl 0:fe5389573740 71 /**
krissl 0:fe5389573740 72 * This function is called when the ble initialization process has failled
krissl 0:fe5389573740 73 */
krissl 0:fe5389573740 74 void onBleInitError(BLE &ble, ble_error_t error)
krissl 0:fe5389573740 75 {
krissl 0:fe5389573740 76 /* Initialization error handling should go here */
krissl 0:fe5389573740 77 }
krissl 0:fe5389573740 78
krissl 0:fe5389573740 79 void printMacAddress()
krissl 0:fe5389573740 80 {
krissl 0:fe5389573740 81 /* Print out device MAC address to the console*/
krissl 0:fe5389573740 82 Gap::AddressType_t addr_type;
krissl 0:fe5389573740 83 Gap::Address_t address;
krissl 0:fe5389573740 84 BLE::Instance().gap().getAddress(&addr_type, address);
krissl 0:fe5389573740 85 pc.printf("DEVICE MAC ADDRESS: ");
krissl 0:fe5389573740 86 for (int i = 5; i >= 1; i--){
krissl 0:fe5389573740 87 pc.printf("%02x:", address[i]);
krissl 0:fe5389573740 88 }
krissl 0:fe5389573740 89 pc.printf("%02x\r\n", address[0]);
krissl 0:fe5389573740 90 }
krissl 0:fe5389573740 91
krissl 0:fe5389573740 92 /**
krissl 0:fe5389573740 93 * Callback triggered when the ble initialization process has finished
krissl 0:fe5389573740 94 */
krissl 0:fe5389573740 95 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
krissl 0:fe5389573740 96 {
krissl 0:fe5389573740 97 BLE& ble = params->ble;
krissl 0:fe5389573740 98 ble_error_t error = params->error;
krissl 0:fe5389573740 99
krissl 0:fe5389573740 100 if (error != BLE_ERROR_NONE) {
krissl 0:fe5389573740 101 /* In case of error, forward the error handling to onBleInitError */
krissl 0:fe5389573740 102 onBleInitError(ble, error);
krissl 0:fe5389573740 103 return;
krissl 0:fe5389573740 104 }
krissl 0:fe5389573740 105
krissl 0:fe5389573740 106 /* Ensure that it is the default instance of BLE */
krissl 0:fe5389573740 107 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
krissl 0:fe5389573740 108 return;
krissl 0:fe5389573740 109 }
krissl 0:fe5389573740 110
krissl 0:fe5389573740 111 ble.gap().onDisconnection(disconnectionCallback);
krissl 0:fe5389573740 112 ble.gap().onConnection(connectionCallback);
krissl 0:fe5389573740 113 /* Setup primary service */
krissl 0:fe5389573740 114 batteryServicePtr = new EnvironmentalService(ble);
krissl 0:fe5389573740 115
krissl 0:fe5389573740 116 /* Setup advertising */
krissl 0:fe5389573740 117 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
krissl 0:fe5389573740 118 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *) uuid16_list, sizeof(uuid16_list));
krissl 0:fe5389573740 119 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME));
krissl 0:fe5389573740 120 // ble.gattServer().onDataRead(blinkCallback);
krissl 0:fe5389573740 121 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
krissl 0:fe5389573740 122 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
krissl 0:fe5389573740 123 pc.printf("Advertising slowly");
krissl 0:fe5389573740 124 ble.gap().startAdvertising();
krissl 0:fe5389573740 125
krissl 0:fe5389573740 126 printMacAddress();
krissl 0:fe5389573740 127 }
krissl 0:fe5389573740 128
krissl 0:fe5389573740 129 void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
krissl 0:fe5389573740 130 BLE &ble = BLE::Instance();
krissl 0:fe5389573740 131 eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
krissl 0:fe5389573740 132 }
krissl 0:fe5389573740 133
krissl 0:fe5389573740 134 int main()
krissl 0:fe5389573740 135 {
krissl 0:fe5389573740 136 pc.baud (115200);
krissl 0:fe5389573740 137
krissl 0:fe5389573740 138 eventQueue.call_every(500, blinkCallback);
krissl 0:fe5389573740 139
krissl 0:fe5389573740 140 BLE &ble = BLE::Instance();
krissl 0:fe5389573740 141 ble.onEventsToProcess(scheduleBleEventsProcessing);
krissl 0:fe5389573740 142 ble.init(bleInitComplete);
krissl 0:fe5389573740 143
krissl 0:fe5389573740 144 eventQueue.dispatch_forever();
krissl 0:fe5389573740 145
krissl 0:fe5389573740 146 return 0;
krissl 0:fe5389573740 147 }