Blynk library for embedded hardware. Works with Arduino, ESP8266, Raspberry Pi, Intel Edison/Galileo, LinkIt ONE, Particle Core/Photon, Energia, ARM mbed, etc. http://www.blynk.cc/
Dependents: Blynk_RBL_BLE_Nano Blynk_MicroBit Blynk_Serial Blynk_RBL_BLE_Nano
BlynkSimpleMicroBit.h
- Committer:
- vshymanskyy
- Date:
- 2018-01-26
- Revision:
- 22:e1d3971fd902
- Parent:
- 19:bae78e167b11
File content as of revision 22:e1d3971fd902:
/** * @file BlynkSimpleRedBearLab_BLE_Nano.h * @author Volodymyr Shymanskyy * @license This project is released under the MIT License (MIT) * @copyright Copyright (c) 2015 Volodymyr Shymanskyy * @date May 2016 * @brief * */ #ifndef BlynkSimpleRedBearLab_BLE_Nano_h #define BlynkSimpleRedBearLab_BLE_Nano_h #ifndef BLYNK_INFO_CONNECTION #define BLYNK_INFO_CONNECTION "MicroBit" #endif #define BLYNK_SEND_ATOMIC #define BLYNK_SEND_CHUNK 20 #define BLYNK_SEND_THROTTLE 20 #include <BlynkApiMbed.h> #include <Blynk/BlynkProtocol.h> #include <utility/BlynkFifo.h> #include <ble/BLE.h> /* * The Nordic UART Service */ static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; static const uint8_t uart_base_uuid_rev[] = {0x1E, 0x94, 0x8D, 0xF1, 0x48, 0x31, 0x94, 0xBA, 0x75, 0x4C, 0x3E, 0x50, 0, 0, 0x3D, 0x71}; static const uint8_t uart_tx_uuid[] = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; static const uint8_t uart_rx_uuid[] = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; #define TXRX_BUF_LEN 20 uint8_t txPayload[TXRX_BUF_LEN] = {0,}; uint8_t rxPayload[TXRX_BUF_LEN] = {0,}; GattCharacteristic txCharacteristic (uart_tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE); GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic}; GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic*)); class BlynkTransportMicroBit { public: BlynkTransportMicroBit() : mConn (false) {} // IP redirect not available void begin(char* h, uint16_t p) {} void begin(BLEDevice& bleDevice) { ble = &bleDevice; ble->gattServer().addService(uartService); ble->gattServer().onDataWritten(this, &BlynkTransportMicroBit::writeCallback); ble->gattServer().onDataSent(this, &BlynkTransportMicroBit::sentCallback); // Setup advertising ble->gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, uart_base_uuid_rev, sizeof(uart_base_uuid)); } bool connect() { mBuffRX.clear(); return mConn = true; } void disconnect() { mConn = false; } bool connected() { return mConn; } size_t read(void* buf, size_t len) { millis_time_t start = BlynkMillis(); while (BlynkMillis() - start < BLYNK_TIMEOUT_MS) { if (available() < len) { ble->waitForEvent(); } else { break; } } noInterrupts(); size_t res = mBuffRX.get((uint8_t*)buf, len); interrupts(); return res; } size_t write(const void* buf, size_t len) { ble->updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), (uint8_t*)buf, len); return len; } size_t available() { noInterrupts(); size_t rxSize = mBuffRX.size(); interrupts(); return rxSize; } private: void writeCallback(const GattWriteCallbackParams *params) { noInterrupts(); //BLYNK_DBG_DUMP(">> ", params->data, params->len); mBuffRX.put(params->data, params->len); interrupts(); } void sentCallback(unsigned count) { //Serial.print("SENT: "); //Serial.println(count); } private: bool mConn; BLEDevice* ble; BlynkFifo<uint8_t, BLYNK_MAX_READBYTES*2> mBuffRX; }; class BlynkMicroBit : public BlynkProtocol<BlynkTransportMicroBit> { typedef BlynkProtocol<BlynkTransportMicroBit> Base; public: BlynkMicroBit(BlynkTransportMicroBit& transp) : Base(transp) {} void begin(BLEDevice& ble, const char* auth) { Base::begin(auth); state = DISCONNECTED; conn.begin(ble); } }; static BlynkTransportMicroBit _blynkTransport; BlynkMicroBit Blynk(_blynkTransport); #include <BlynkWidgets.h> #endif