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This is a demo for controlling your ShieldBot using your mobile phone
Dependencies: BLE_API ShieldBot_v12 mbed nRF51822
Fork of BLE_LoopbackUART by
main.cpp
- Committer:
- rgrover1
- Date:
- 2014-11-28
- Revision:
- 10:633cec718bf4
- Parent:
- 6:e0fc9072e853
- Child:
- 12:900318ccf3ae
File content as of revision 10:633cec718bf4:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 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 "BLEDevice.h" #include "UARTService.h" #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console; * it will have an impact on code-size and power consumption. */ #if NEED_CONSOLE_OUTPUT #define DEBUG(...) { printf(__VA_ARGS__); } #else #define DEBUG(...) /* nothing */ #endif /* #if NEED_CONSOLE_OUTPUT */ BLEDevice ble; DigitalOut led1(LED1); UARTService *uartServicePtr; void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { DEBUG("Disconnected!\n\r"); DEBUG("Restarting the advertising process\n\r"); ble.startAdvertising(); } void onDataWritten(const GattCharacteristicWriteCBParams *params) { if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { uint16_t bytesRead = params->len; DEBUG("received %u bytes\n\r", bytesRead); ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); } } void periodicCallback(void) { led1 = !led1; } int main(void) { led1 = 1; Ticker ticker; ticker.attach(periodicCallback, 1); DEBUG("Initialising the nRF51822\n\r"); ble.init(); ble.onDisconnection(disconnectionCallback); ble.onDataWritten(onDataWritten); /* setup advertising */ ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(1000)); ble.startAdvertising(); UARTService uartService(ble); uartServicePtr = &uartService; while (true) { ble.waitForEvent(); } }