mirror of
https://github.com/bluekitchen/btstack.git
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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// LE Peripheral Example - not working yet
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#include <BTstack.h>
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#include <SPI.h>
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/*
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* EXAMPLE_START(LEPeripheral): LE Peripheral
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*/
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static char characteristic_data = 'H';
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void setup(void){
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Serial.begin(9600);
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// set callbacks
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BTstack.setBLEDeviceConnectedCallback(deviceConnectedCallback);
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BTstack.setBLEDeviceDisconnectedCallback(deviceDisconnectedCallback);
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BTstack.setGATTCharacteristicRead(gattReadCallback);
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BTstack.setGATTCharacteristicWrite(gattWriteCallback);
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// setup GATT Database
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BTstack.addGATTService(new UUID("B8E06067-62AD-41BA-9231-206AE80AB551"));
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BTstack.addGATTCharacteristic(new UUID("f897177b-aee8-4767-8ecc-cc694fd5fcef"), ATT_PROPERTY_READ, "This is a String!");
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BTstack.addGATTCharacteristicDynamic(new UUID("f897177b-aee8-4767-8ecc-cc694fd5fce0"), ATT_PROPERTY_READ | ATT_PROPERTY_WRITE | ATT_PROPERTY_NOTIFY, 0);
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// use dummy address to force refresh on iOS devices
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bd_addr_t dummy = { 1,2,3,4,5,6};
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BTstack.setPublicBdAddr(dummy);
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// startup Bluetooth and activate advertisements
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BTstack.setup();
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BTstack.startAdvertising();
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// BTstack.enablePacketLogger();
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}
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void loop(void){
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BTstack.loop();
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}
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void deviceConnectedCallback(BLEStatus status, BLEDevice *device) {
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switch (status){
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case BLE_STATUS_OK:
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Serial.println("Device connected!");
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break;
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default:
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break;
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}
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}
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void deviceDisconnectedCallback(BLEDevice * device){
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Serial.println("Disconnected.");
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}
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// ATT Client Read Callback for Dynamic Data
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// - if buffer == NULL, don't copy data, just return size of value
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// - if buffer != NULL, copy data and return number bytes copied
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// @param characteristic_id to be read
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// @param buffer
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// @param buffer_size
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uint16_t gattReadCallback(uint16_t value_handle, uint8_t * buffer, uint16_t buffer_size){
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if (buffer){
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Serial.print("gattReadCallback, value: ");
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Serial.println(characteristic_data, HEX);
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buffer[0] = characteristic_data;
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}
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return 1;
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}
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// ATT Client Write Callback for Dynamic Data
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// @param characteristic_id to be read
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// @param buffer
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// @param buffer_size
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// @returns 0 if write was ok, ATT_ERROR_INVALID_OFFSET if offset is larger than max buffer
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int gattWriteCallback(uint16_t value_handle, uint8_t *buffer, uint16_t buffer_size){
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characteristic_data = buffer[0];
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Serial.print("gattWriteCallback , value ");
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Serial.println(characteristic_data, HEX);
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return 0;
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}
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