BLE UART example for Nucloe board and Bluetooth LE Nucleo shield.
Dependencies: Nucleo_BLE_API Nucleo_BLE_BlueNRG mbed
Warning: Deprecated!
Supported drivers and applications can be found at this link.
main.cpp@0:3e2ce2bb50b9, 2014-12-19 (annotated)
- Committer:
- sjallouli
- Date:
- Fri Dec 19 19:53:05 2014 +0000
- Revision:
- 0:3e2ce2bb50b9
- Child:
- 1:69e44344edaa
change the USARTService->write method access permission to public
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sjallouli | 0:3e2ce2bb50b9 | 1 | /* mbed Microcontroller Library |
sjallouli | 0:3e2ce2bb50b9 | 2 | * Copyright (c) 2006-2013 ARM Limited |
sjallouli | 0:3e2ce2bb50b9 | 3 | * |
sjallouli | 0:3e2ce2bb50b9 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sjallouli | 0:3e2ce2bb50b9 | 5 | * you may not use this file except in compliance with the License. |
sjallouli | 0:3e2ce2bb50b9 | 6 | * You may obtain a copy of the License at |
sjallouli | 0:3e2ce2bb50b9 | 7 | * |
sjallouli | 0:3e2ce2bb50b9 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
sjallouli | 0:3e2ce2bb50b9 | 9 | * |
sjallouli | 0:3e2ce2bb50b9 | 10 | * Unless required by applicable law or agreed to in writing, software |
sjallouli | 0:3e2ce2bb50b9 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
sjallouli | 0:3e2ce2bb50b9 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sjallouli | 0:3e2ce2bb50b9 | 13 | * See the License for the specific language governing permissions and |
sjallouli | 0:3e2ce2bb50b9 | 14 | * limitations under the License. |
sjallouli | 0:3e2ce2bb50b9 | 15 | */ |
sjallouli | 0:3e2ce2bb50b9 | 16 | |
sjallouli | 0:3e2ce2bb50b9 | 17 | #include "mbed.h" |
sjallouli | 0:3e2ce2bb50b9 | 18 | #include "BLEDevice.h" |
sjallouli | 0:3e2ce2bb50b9 | 19 | #include "UARTService.h" |
sjallouli | 0:3e2ce2bb50b9 | 20 | #include "Utils.h" |
sjallouli | 0:3e2ce2bb50b9 | 21 | |
sjallouli | 0:3e2ce2bb50b9 | 22 | |
sjallouli | 0:3e2ce2bb50b9 | 23 | #define BLE_UART_SEND(STR) { if (uartServicePtr) uartServicePtr->write(STR, strlen(STR)); } |
sjallouli | 0:3e2ce2bb50b9 | 24 | |
sjallouli | 0:3e2ce2bb50b9 | 25 | |
sjallouli | 0:3e2ce2bb50b9 | 26 | BLEDevice ble; |
sjallouli | 0:3e2ce2bb50b9 | 27 | DigitalOut led1(LED1); |
sjallouli | 0:3e2ce2bb50b9 | 28 | DigitalIn mybutton(USER_BUTTON); |
sjallouli | 0:3e2ce2bb50b9 | 29 | |
sjallouli | 0:3e2ce2bb50b9 | 30 | bool connected = false; |
sjallouli | 0:3e2ce2bb50b9 | 31 | |
sjallouli | 0:3e2ce2bb50b9 | 32 | UARTService *uartServicePtr; |
sjallouli | 0:3e2ce2bb50b9 | 33 | |
sjallouli | 0:3e2ce2bb50b9 | 34 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
sjallouli | 0:3e2ce2bb50b9 | 35 | { |
sjallouli | 0:3e2ce2bb50b9 | 36 | DEBUG("Disconnected!\n\r"); |
sjallouli | 0:3e2ce2bb50b9 | 37 | DEBUG("Restarting the advertising process\n\r"); |
sjallouli | 0:3e2ce2bb50b9 | 38 | ble.startAdvertising(); |
sjallouli | 0:3e2ce2bb50b9 | 39 | connected = false; |
sjallouli | 0:3e2ce2bb50b9 | 40 | } |
sjallouli | 0:3e2ce2bb50b9 | 41 | |
sjallouli | 0:3e2ce2bb50b9 | 42 | void connectionCallback(Gap::Handle_t handle, const Gap::ConnectionParams_t *reason) |
sjallouli | 0:3e2ce2bb50b9 | 43 | { |
sjallouli | 0:3e2ce2bb50b9 | 44 | DEBUG("Connected\r\n"); |
sjallouli | 0:3e2ce2bb50b9 | 45 | connected = true; |
sjallouli | 0:3e2ce2bb50b9 | 46 | } |
sjallouli | 0:3e2ce2bb50b9 | 47 | |
sjallouli | 0:3e2ce2bb50b9 | 48 | void onDataWritten(const GattCharacteristicWriteCBParams *params) |
sjallouli | 0:3e2ce2bb50b9 | 49 | { |
sjallouli | 0:3e2ce2bb50b9 | 50 | if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { |
sjallouli | 0:3e2ce2bb50b9 | 51 | uint16_t bytesRead = params->len; |
sjallouli | 0:3e2ce2bb50b9 | 52 | DEBUG("received %u bytes\n\r", bytesRead); |
sjallouli | 0:3e2ce2bb50b9 | 53 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); |
sjallouli | 0:3e2ce2bb50b9 | 54 | } |
sjallouli | 0:3e2ce2bb50b9 | 55 | } |
sjallouli | 0:3e2ce2bb50b9 | 56 | |
sjallouli | 0:3e2ce2bb50b9 | 57 | void periodicCallback(void) |
sjallouli | 0:3e2ce2bb50b9 | 58 | { |
sjallouli | 0:3e2ce2bb50b9 | 59 | led1 = !led1; |
sjallouli | 0:3e2ce2bb50b9 | 60 | } |
sjallouli | 0:3e2ce2bb50b9 | 61 | |
sjallouli | 0:3e2ce2bb50b9 | 62 | int main(void) |
sjallouli | 0:3e2ce2bb50b9 | 63 | { |
sjallouli | 0:3e2ce2bb50b9 | 64 | led1 = 1; |
sjallouli | 0:3e2ce2bb50b9 | 65 | Ticker ticker; |
sjallouli | 0:3e2ce2bb50b9 | 66 | ticker.attach(periodicCallback, 1); |
sjallouli | 0:3e2ce2bb50b9 | 67 | |
sjallouli | 0:3e2ce2bb50b9 | 68 | DEBUG("Initialising \n\r"); |
sjallouli | 0:3e2ce2bb50b9 | 69 | ble.init(); |
sjallouli | 0:3e2ce2bb50b9 | 70 | ble.onDisconnection(disconnectionCallback); |
sjallouli | 0:3e2ce2bb50b9 | 71 | ble.onConnection(connectionCallback); |
sjallouli | 0:3e2ce2bb50b9 | 72 | ble.onDataWritten(onDataWritten); |
sjallouli | 0:3e2ce2bb50b9 | 73 | |
sjallouli | 0:3e2ce2bb50b9 | 74 | /* setup advertising */ |
sjallouli | 0:3e2ce2bb50b9 | 75 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
sjallouli | 0:3e2ce2bb50b9 | 76 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
sjallouli | 0:3e2ce2bb50b9 | 77 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); |
sjallouli | 0:3e2ce2bb50b9 | 78 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
sjallouli | 0:3e2ce2bb50b9 | 79 | |
sjallouli | 0:3e2ce2bb50b9 | 80 | ble.setAdvertisingInterval(160); |
sjallouli | 0:3e2ce2bb50b9 | 81 | ble.startAdvertising(); |
sjallouli | 0:3e2ce2bb50b9 | 82 | |
sjallouli | 0:3e2ce2bb50b9 | 83 | UARTService uartService(ble); |
sjallouli | 0:3e2ce2bb50b9 | 84 | uartServicePtr = &uartService; |
sjallouli | 0:3e2ce2bb50b9 | 85 | |
sjallouli | 0:3e2ce2bb50b9 | 86 | |
sjallouli | 0:3e2ce2bb50b9 | 87 | while (true) |
sjallouli | 0:3e2ce2bb50b9 | 88 | { |
sjallouli | 0:3e2ce2bb50b9 | 89 | ble.waitForEvent(); |
sjallouli | 0:3e2ce2bb50b9 | 90 | |
sjallouli | 0:3e2ce2bb50b9 | 91 | if(connected == true) |
sjallouli | 0:3e2ce2bb50b9 | 92 | { |
sjallouli | 0:3e2ce2bb50b9 | 93 | if (mybutton == 0) |
sjallouli | 0:3e2ce2bb50b9 | 94 | { |
sjallouli | 0:3e2ce2bb50b9 | 95 | DEBUG("ABCDEFGHIJKLMNOPQRST"); |
sjallouli | 0:3e2ce2bb50b9 | 96 | BLE_UART_SEND("ABCDEFGHIJKLMNOPQRST"); |
sjallouli | 0:3e2ce2bb50b9 | 97 | |
sjallouli | 0:3e2ce2bb50b9 | 98 | while(mybutton == 0); |
sjallouli | 0:3e2ce2bb50b9 | 99 | } |
sjallouli | 0:3e2ce2bb50b9 | 100 | } |
sjallouli | 0:3e2ce2bb50b9 | 101 | } |
sjallouli | 0:3e2ce2bb50b9 | 102 | } |