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.
Diff: main.cpp
- Revision:
- 11:023d96b0e427
- Parent:
- 10:507318f2afda
- Child:
- 12:1cd9fd69a4f4
--- a/main.cpp Tue Sep 29 11:52:34 2015 +0000 +++ b/main.cpp Tue Jan 12 10:49:03 2016 +0000 @@ -19,25 +19,26 @@ #include "ble/DiscoveredCharacteristic.h" #include "ble/DiscoveredService.h" -BLE ble; +DigitalOut alivenessLED(LED1, 1); -DigitalOut alivenessLED(LED1, 1); -bool triggerLedCharacteristic = false; +bool triggerLedCharacteristic = false; DiscoveredCharacteristic ledCharacteristic; +Ticker ticker; + void periodicCallback(void) { alivenessLED = !alivenessLED; /* Do blinky on LED1 while we're waiting for BLE events */ } void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { - if (params->peerAddr[0] != 0x29) { /* !ALERT! Alter this filter to suit your device. */ + if (params->peerAddr[0] != 0x37) { /* !ALERT! Alter this filter to suit your device. */ return; } printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], params->rssi, params->isScanResponse, params->type); - ble.gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); + BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); } void serviceDiscoveryCallback(const DiscoveredService *service) { @@ -67,8 +68,8 @@ void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { if (params->role == Gap::CENTRAL) { - ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); - ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xa000, 0xa001); + BLE::Instance().gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); + BLE::Instance().gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xa000, 0xa001); } } @@ -97,11 +98,33 @@ printf("disconnected\r\n"); } -int main(void) { - Ticker ticker; - ticker.attach(periodicCallback, 1); +/** + * This function is called when the ble initialization process has failed + */ +void onBleInitError(BLE &ble, ble_error_t error) +{ + /* Initialization error handling should go here */ +} - ble.init(); +/** + * Callback triggered when the ble initialization process has finished + */ +void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) +{ + BLE& ble = params->ble; + ble_error_t error = params->error; + + if (error != BLE_ERROR_NONE) { + /* In case of error, forward the error handling to onBleInitError */ + onBleInitError(ble, error); + return; + } + + /* Ensure that it is the default instance of BLE */ + if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { + return; + } + ble.gap().onConnection(connectionCallback); ble.gap().onDisconnection(disconnectionCallback); @@ -110,6 +133,17 @@ ble.gap().setScanParams(500, 400); ble.gap().startScan(advertisementCallback); +} + +int main(void) { + ticker.attach(periodicCallback, 1); + + BLE &ble = BLE::Instance(); + ble.init(bleInitComplete); + + /* SpinWait for initialization to complete. This is necessary because the + * BLE object is used in the main loop below. */ + while (ble.hasInitialized() == false) { /* spin loop */ } while (true) { if (triggerLedCharacteristic && !ble.gattClient().isServiceDiscoveryActive()) {