A template for applications where some small amount of data needs to be notified to a phone app over BLE. It is a good starting point for notifications.
Dependencies: BLE_API mbed nRF51822
Fork of BLE_Button by
Diff: main.cpp
- Revision:
- 10:7943b5c1117a
- Parent:
- 9:0f6951db24f1
- Child:
- 11:fd1cf9dbf3a4
--- a/main.cpp Fri Oct 09 13:37:52 2015 +0000 +++ b/main.cpp Wed Dec 30 09:54:06 2015 +0000 @@ -15,10 +15,9 @@ */ #include "mbed.h" -#include "BLE.h" +#include "ble/BLE.h" #include "ButtonService.h" -BLE ble; DigitalOut led1(LED1); InterruptIn button(BUTTON1); @@ -32,7 +31,7 @@ }; static uint8_t buttonState = IDLE; -ButtonService *buttonServicePtr; +static ButtonService *buttonServicePtr; void buttonPressedCallback(void) { @@ -50,7 +49,7 @@ void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { - ble.gap().startAdvertising(); + BLE::Instance().gap().startAdvertising(); } void periodicCallback(void) @@ -58,6 +57,48 @@ led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ } +/** + * This function is called when the ble initialization process has failled + */ +void onBleInitError(BLE &ble, ble_error_t error) +{ + /* Initialization error handling should go here */ +} + +/** + * 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().onDisconnection(disconnectionCallback); + + /* Setup primary service */ + buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */); + + /* setup advertising */ + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ + ble.gap().startAdvertising(); + +} + int main(void) { led1 = 1; @@ -66,22 +107,15 @@ button.fall(buttonPressedCallback); button.rise(buttonReleasedCallback); - ble.init(); - ble.gap().onDisconnection(disconnectionCallback); - - ButtonService buttonService(ble, false /* initial value for button pressed */); - buttonServicePtr = &buttonService; - - /* setup advertising */ - ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); - ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); - ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); - ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); - ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ - ble.gap().startAdvertising(); - + 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 (buttonState!=IDLE) { + if (buttonState != IDLE) { buttonServicePtr->updateButtonState(buttonState); buttonState = IDLE; }