работает в паре с micro:bit мигалкой
Dependencies: mbed BLE_API nRF51822
Программа для управляющего устройства на nRF51822. Используется одна Button1 для включения\выключения светодиода на устройстве приемнике.
main.cpp@14:e31da6a3279f, 2019-12-14 (annotated)
- Committer:
- mamont090671
- Date:
- Sat Dec 14 12:50:37 2019 +0000
- Revision:
- 14:e31da6a3279f
- Parent:
- 13:7b6d69a11fb5
use button1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rgrover1 | 0:415d7f24cb91 | 1 | /* mbed Microcontroller Library |
rgrover1 | 0:415d7f24cb91 | 2 | * Copyright (c) 2006-2015 ARM Limited |
rgrover1 | 0:415d7f24cb91 | 3 | * |
rgrover1 | 0:415d7f24cb91 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rgrover1 | 0:415d7f24cb91 | 5 | * you may not use this file except in compliance with the License. |
rgrover1 | 0:415d7f24cb91 | 6 | * You may obtain a copy of the License at |
rgrover1 | 0:415d7f24cb91 | 7 | * |
rgrover1 | 0:415d7f24cb91 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rgrover1 | 0:415d7f24cb91 | 9 | * |
rgrover1 | 0:415d7f24cb91 | 10 | * Unless required by applicable law or agreed to in writing, software |
rgrover1 | 0:415d7f24cb91 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rgrover1 | 0:415d7f24cb91 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rgrover1 | 0:415d7f24cb91 | 13 | * See the License for the specific language governing permissions and |
rgrover1 | 0:415d7f24cb91 | 14 | * limitations under the License. |
rgrover1 | 0:415d7f24cb91 | 15 | */ |
rgrover1 | 0:415d7f24cb91 | 16 | |
rgrover1 | 0:415d7f24cb91 | 17 | #include "mbed.h" |
rgrover1 | 6:1730f66fb14d | 18 | #include "ble/BLE.h" |
rgrover1 | 6:1730f66fb14d | 19 | #include "ble/DiscoveredCharacteristic.h" |
rgrover1 | 6:1730f66fb14d | 20 | #include "ble/DiscoveredService.h" |
rgrover1 | 0:415d7f24cb91 | 21 | |
andresag | 11:023d96b0e427 | 22 | DigitalOut alivenessLED(LED1, 1); |
mamont090671 | 13:7b6d69a11fb5 | 23 | DigitalOut connectLED(P0_22, 0); |
mamont090671 | 13:7b6d69a11fb5 | 24 | |
mamont090671 | 12:1cd9fd69a4f4 | 25 | Serial pc(USBTX, USBRX); |
rgrover1 | 6:1730f66fb14d | 26 | |
andresag | 11:023d96b0e427 | 27 | bool triggerLedCharacteristic = false; |
rgrover1 | 0:415d7f24cb91 | 28 | DiscoveredCharacteristic ledCharacteristic; |
mamont090671 | 14:e31da6a3279f | 29 | uint8_t bVal = 0; |
mamont090671 | 14:e31da6a3279f | 30 | |
mamont090671 | 14:e31da6a3279f | 31 | //Функции обработки событий кнопок |
mamont090671 | 14:e31da6a3279f | 32 | void triggerfall_1(); //Button1 falling interrupt function |
mamont090671 | 14:e31da6a3279f | 33 | void triggerrise_1(); //Button1 rising interrupt function |
mamont090671 | 14:e31da6a3279f | 34 | void triggerfall_2(); //Button2 falling interrupt function |
mamont090671 | 14:e31da6a3279f | 35 | void triggerrise_2(); //Button2 rising interrupt function |
mamont090671 | 14:e31da6a3279f | 36 | |
mamont090671 | 14:e31da6a3279f | 37 | DigitalIn sw1(BUTTON1); |
mamont090671 | 14:e31da6a3279f | 38 | DigitalIn sw2(BUTTON2); |
mamont090671 | 14:e31da6a3279f | 39 | |
mamont090671 | 14:e31da6a3279f | 40 | //Initiate input interrupts |
mamont090671 | 14:e31da6a3279f | 41 | InterruptIn sw1Press(BUTTON1); |
mamont090671 | 14:e31da6a3279f | 42 | InterruptIn sw2Press(BUTTON2); |
rgrover1 | 0:415d7f24cb91 | 43 | |
mamont090671 | 12:1cd9fd69a4f4 | 44 | BLE ble; |
andresag | 11:023d96b0e427 | 45 | Ticker ticker; |
andresag | 11:023d96b0e427 | 46 | |
mamont090671 | 13:7b6d69a11fb5 | 47 | //событие по таймеру |
rgrover1 | 0:415d7f24cb91 | 48 | void periodicCallback(void) { |
mamont090671 | 13:7b6d69a11fb5 | 49 | //Мигаем светодиодом |
rgrover1 | 3:146eba831693 | 50 | alivenessLED = !alivenessLED; /* Do blinky on LED1 while we're waiting for BLE events */ |
rgrover1 | 0:415d7f24cb91 | 51 | } |
mamont090671 | 13:7b6d69a11fb5 | 52 | //результат сканирования |
rgrover1 | 0:415d7f24cb91 | 53 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { |
mamont090671 | 12:1cd9fd69a4f4 | 54 | /* if (params->peerAddr[0] != 0x37) { // !ALERT! Alter this filter to suit your device. |
rgrover1 | 0:415d7f24cb91 | 55 | return; |
mamont090671 | 12:1cd9fd69a4f4 | 56 | }*/ |
rgrover1 | 0:415d7f24cb91 | 57 | printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", |
rgrover1 | 0:415d7f24cb91 | 58 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
rgrover1 | 0:415d7f24cb91 | 59 | params->rssi, params->isScanResponse, params->type); |
rgrover1 | 0:415d7f24cb91 | 60 | |
andresag | 11:023d96b0e427 | 61 | BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); |
rgrover1 | 0:415d7f24cb91 | 62 | } |
mamont090671 | 13:7b6d69a11fb5 | 63 | //поиск сервисов |
rgrover1 | 0:415d7f24cb91 | 64 | void serviceDiscoveryCallback(const DiscoveredService *service) { |
mamont090671 | 14:e31da6a3279f | 65 | printf("TEST!!!!!!!!\r\n"); |
mamont090671 | 14:e31da6a3279f | 66 | printf("S UUID-%x\r\n", service->getUUID().getShortUUID()); |
rgrover1 | 0:415d7f24cb91 | 67 | if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) { |
rgrover1 | 0:415d7f24cb91 | 68 | printf("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle()); |
rgrover1 | 0:415d7f24cb91 | 69 | } else { |
rgrover1 | 0:415d7f24cb91 | 70 | printf("S UUID-"); |
rgrover1 | 0:415d7f24cb91 | 71 | const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); |
rgrover1 | 0:415d7f24cb91 | 72 | for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { |
rgrover1 | 0:415d7f24cb91 | 73 | printf("%02x", longUUIDBytes[i]); |
rgrover1 | 0:415d7f24cb91 | 74 | } |
rgrover1 | 0:415d7f24cb91 | 75 | printf(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle()); |
rgrover1 | 0:415d7f24cb91 | 76 | } |
rgrover1 | 0:415d7f24cb91 | 77 | } |
mamont090671 | 13:7b6d69a11fb5 | 78 | //поиск характеристик и вывод инфы |
rgrover1 | 0:415d7f24cb91 | 79 | void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { |
mamont090671 | 14:e31da6a3279f | 80 | printf("C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast()); |
rgrover1 | 10:507318f2afda | 81 | if (characteristicP->getUUID().getShortUUID() == 0xa001) { /* !ALERT! Alter this filter to suit your device. */ |
rgrover1 | 1:1db45b17552e | 82 | ledCharacteristic = *characteristicP; |
rgrover1 | 1:1db45b17552e | 83 | triggerLedCharacteristic = true; |
rgrover1 | 0:415d7f24cb91 | 84 | } |
rgrover1 | 0:415d7f24cb91 | 85 | } |
rgrover1 | 0:415d7f24cb91 | 86 | |
rgrover1 | 0:415d7f24cb91 | 87 | void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { |
rgrover1 | 0:415d7f24cb91 | 88 | printf("terminated SD for handle %u\r\n", connectionHandle); |
rgrover1 | 0:415d7f24cb91 | 89 | } |
mamont090671 | 13:7b6d69a11fb5 | 90 | //Действие при событии "onConnection" |
rgrover1 | 0:415d7f24cb91 | 91 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { |
rgrover1 | 0:415d7f24cb91 | 92 | if (params->role == Gap::CENTRAL) { |
andresag | 11:023d96b0e427 | 93 | BLE::Instance().gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); |
andresag | 11:023d96b0e427 | 94 | BLE::Instance().gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xa000, 0xa001); |
rgrover1 | 0:415d7f24cb91 | 95 | } |
mamont090671 | 14:e31da6a3279f | 96 | printf("connected\r\n"); |
mamont090671 | 14:e31da6a3279f | 97 | connectLED = 1; |
rgrover1 | 0:415d7f24cb91 | 98 | } |
rgrover1 | 0:415d7f24cb91 | 99 | |
mamont090671 | 12:1cd9fd69a4f4 | 100 | //Вызывается событием "onDataRead" |
rgrover1 | 0:415d7f24cb91 | 101 | void triggerToggledWrite(const GattReadCallbackParams *response) { |
rgrover1 | 0:415d7f24cb91 | 102 | if (response->handle == ledCharacteristic.getValueHandle()) { |
mamont090671 | 12:1cd9fd69a4f4 | 103 | //#if DUMP_READ_DATA |
rgrover1 | 0:415d7f24cb91 | 104 | printf("triggerToggledWrite: handle %u, offset %u, len %u\r\n", response->handle, response->offset, response->len); |
rgrover1 | 0:415d7f24cb91 | 105 | for (unsigned index = 0; index < response->len; index++) { |
rgrover1 | 0:415d7f24cb91 | 106 | printf("%c[%02x]", response->data[index], response->data[index]); |
rgrover1 | 0:415d7f24cb91 | 107 | } |
rgrover1 | 0:415d7f24cb91 | 108 | printf("\r\n"); |
mamont090671 | 12:1cd9fd69a4f4 | 109 | //#endif |
mamont090671 | 12:1cd9fd69a4f4 | 110 | //пишем в характеристику 0х00 или 0х01, т.е. моргаем диодом дистанционно |
mamont090671 | 14:e31da6a3279f | 111 | // uint8_t toggledValue = response->data[0] ^ 0x1; |
mamont090671 | 14:e31da6a3279f | 112 | uint8_t toggledValue = bVal; |
rgrover1 | 0:415d7f24cb91 | 113 | ledCharacteristic.write(1, &toggledValue); |
mamont090671 | 12:1cd9fd69a4f4 | 114 | printf("onDataRead\r\ntoggledValue: %02x\r\n", toggledValue); |
rgrover1 | 0:415d7f24cb91 | 115 | } |
rgrover1 | 0:415d7f24cb91 | 116 | } |
rgrover1 | 0:415d7f24cb91 | 117 | |
mamont090671 | 12:1cd9fd69a4f4 | 118 | //Вызывается событием "onDataWrite" |
rgrover1 | 0:415d7f24cb91 | 119 | void triggerRead(const GattWriteCallbackParams *response) { |
rgrover1 | 0:415d7f24cb91 | 120 | if (response->handle == ledCharacteristic.getValueHandle()) { |
rgrover1 | 0:415d7f24cb91 | 121 | ledCharacteristic.read(); |
mamont090671 | 12:1cd9fd69a4f4 | 122 | printf("onDataWrite\r\n"); |
rgrover1 | 0:415d7f24cb91 | 123 | } |
rgrover1 | 0:415d7f24cb91 | 124 | } |
rgrover1 | 0:415d7f24cb91 | 125 | |
mamont090671 | 13:7b6d69a11fb5 | 126 | //Действие при событии "Disconnect" |
rgrover1 | 10:507318f2afda | 127 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { |
rgrover1 | 0:415d7f24cb91 | 128 | printf("disconnected\r\n"); |
mamont090671 | 12:1cd9fd69a4f4 | 129 | pc.printf("Rescan\r\n"); |
mamont090671 | 12:1cd9fd69a4f4 | 130 | ble.gap().startScan(advertisementCallback); |
mamont090671 | 14:e31da6a3279f | 131 | connectLED = 0; |
rgrover1 | 0:415d7f24cb91 | 132 | } |
rgrover1 | 0:415d7f24cb91 | 133 | |
andresag | 11:023d96b0e427 | 134 | /** |
andresag | 11:023d96b0e427 | 135 | * This function is called when the ble initialization process has failed |
andresag | 11:023d96b0e427 | 136 | */ |
andresag | 11:023d96b0e427 | 137 | void onBleInitError(BLE &ble, ble_error_t error) |
andresag | 11:023d96b0e427 | 138 | { |
andresag | 11:023d96b0e427 | 139 | /* Initialization error handling should go here */ |
andresag | 11:023d96b0e427 | 140 | } |
rgrover1 | 0:415d7f24cb91 | 141 | |
andresag | 11:023d96b0e427 | 142 | /** |
andresag | 11:023d96b0e427 | 143 | * Callback triggered when the ble initialization process has finished |
andresag | 11:023d96b0e427 | 144 | */ |
andresag | 11:023d96b0e427 | 145 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
andresag | 11:023d96b0e427 | 146 | { |
andresag | 11:023d96b0e427 | 147 | BLE& ble = params->ble; |
andresag | 11:023d96b0e427 | 148 | ble_error_t error = params->error; |
andresag | 11:023d96b0e427 | 149 | |
andresag | 11:023d96b0e427 | 150 | if (error != BLE_ERROR_NONE) { |
andresag | 11:023d96b0e427 | 151 | /* In case of error, forward the error handling to onBleInitError */ |
andresag | 11:023d96b0e427 | 152 | onBleInitError(ble, error); |
andresag | 11:023d96b0e427 | 153 | return; |
andresag | 11:023d96b0e427 | 154 | } |
andresag | 11:023d96b0e427 | 155 | |
andresag | 11:023d96b0e427 | 156 | /* Ensure that it is the default instance of BLE */ |
andresag | 11:023d96b0e427 | 157 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
andresag | 11:023d96b0e427 | 158 | return; |
andresag | 11:023d96b0e427 | 159 | } |
andresag | 11:023d96b0e427 | 160 | |
rgrover1 | 5:3bbad34d1a85 | 161 | ble.gap().onConnection(connectionCallback); |
rgrover1 | 5:3bbad34d1a85 | 162 | ble.gap().onDisconnection(disconnectionCallback); |
rgrover1 | 0:415d7f24cb91 | 163 | |
rgrover1 | 7:61e2224ec9a0 | 164 | ble.gattClient().onDataRead(triggerToggledWrite); |
rgrover1 | 7:61e2224ec9a0 | 165 | ble.gattClient().onDataWrite(triggerRead); |
rgrover1 | 0:415d7f24cb91 | 166 | |
rgrover1 | 5:3bbad34d1a85 | 167 | ble.gap().setScanParams(500, 400); |
rgrover1 | 5:3bbad34d1a85 | 168 | ble.gap().startScan(advertisementCallback); |
andresag | 11:023d96b0e427 | 169 | } |
andresag | 11:023d96b0e427 | 170 | |
andresag | 11:023d96b0e427 | 171 | int main(void) { |
mamont090671 | 12:1cd9fd69a4f4 | 172 | pc.baud(9600); |
mamont090671 | 12:1cd9fd69a4f4 | 173 | printf("--- Start!!! ---\r\n"); |
mamont090671 | 14:e31da6a3279f | 174 | |
mamont090671 | 14:e31da6a3279f | 175 | //Set falling and rising edge to apppropriate interrup function |
mamont090671 | 14:e31da6a3279f | 176 | sw1Press.fall(&triggerfall_1); |
mamont090671 | 14:e31da6a3279f | 177 | sw1Press.rise(&triggerrise_1); |
mamont090671 | 14:e31da6a3279f | 178 | sw2Press.fall(&triggerfall_2); |
mamont090671 | 14:e31da6a3279f | 179 | sw2Press.rise(&triggerrise_2); |
mamont090671 | 12:1cd9fd69a4f4 | 180 | |
andresag | 11:023d96b0e427 | 181 | ticker.attach(periodicCallback, 1); |
andresag | 11:023d96b0e427 | 182 | |
andresag | 11:023d96b0e427 | 183 | BLE &ble = BLE::Instance(); |
andresag | 11:023d96b0e427 | 184 | ble.init(bleInitComplete); |
andresag | 11:023d96b0e427 | 185 | |
andresag | 11:023d96b0e427 | 186 | /* SpinWait for initialization to complete. This is necessary because the |
andresag | 11:023d96b0e427 | 187 | * BLE object is used in the main loop below. */ |
andresag | 11:023d96b0e427 | 188 | while (ble.hasInitialized() == false) { /* spin loop */ } |
rgrover1 | 0:415d7f24cb91 | 189 | |
rgrover1 | 0:415d7f24cb91 | 190 | while (true) { |
rgrover1 | 4:460ce53dc854 | 191 | if (triggerLedCharacteristic && !ble.gattClient().isServiceDiscoveryActive()) { |
rgrover1 | 1:1db45b17552e | 192 | triggerLedCharacteristic = false; |
rgrover1 | 0:415d7f24cb91 | 193 | ledCharacteristic.read(); /* We could have issued this read just as easily from |
rgrover1 | 0:415d7f24cb91 | 194 | * characteristicDiscoveryCallback(); but |
rgrover1 | 2:3e1e967035cb | 195 | * invoking it here demonstrates the use |
rgrover1 | 2:3e1e967035cb | 196 | * of isServiceDiscoveryActive() and also |
rgrover1 | 2:3e1e967035cb | 197 | * the fact that it is permitted to |
rgrover1 | 2:3e1e967035cb | 198 | * operate on application-local copies of |
rgrover1 | 2:3e1e967035cb | 199 | * DiscoveredCharacteristic. */ |
rgrover1 | 0:415d7f24cb91 | 200 | } |
rgrover1 | 0:415d7f24cb91 | 201 | ble.waitForEvent(); |
rgrover1 | 0:415d7f24cb91 | 202 | } |
rgrover1 | 0:415d7f24cb91 | 203 | } |
mamont090671 | 14:e31da6a3279f | 204 | |
mamont090671 | 14:e31da6a3279f | 205 | //Button1 falling interrupt function |
mamont090671 | 14:e31da6a3279f | 206 | void triggerfall_1() |
mamont090671 | 14:e31da6a3279f | 207 | { |
mamont090671 | 14:e31da6a3279f | 208 | bVal =! bVal; |
mamont090671 | 14:e31da6a3279f | 209 | } |
mamont090671 | 14:e31da6a3279f | 210 | //Button1 rising interrupt function |
mamont090671 | 14:e31da6a3279f | 211 | void triggerrise_1() |
mamont090671 | 14:e31da6a3279f | 212 | { |
mamont090671 | 14:e31da6a3279f | 213 | } |
mamont090671 | 14:e31da6a3279f | 214 | |
mamont090671 | 14:e31da6a3279f | 215 | //Button1 falling interrupt function |
mamont090671 | 14:e31da6a3279f | 216 | void triggerfall_2() |
mamont090671 | 14:e31da6a3279f | 217 | { |
mamont090671 | 14:e31da6a3279f | 218 | } |
mamont090671 | 14:e31da6a3279f | 219 | //Button1 rising interrupt function |
mamont090671 | 14:e31da6a3279f | 220 | void triggerrise_2() |
mamont090671 | 14:e31da6a3279f | 221 | { |
mamont090671 | 14:e31da6a3279f | 222 | } |