Blynk example
Dependents: Blynk_Example_WIZwiki-W7500
Fork of Blynk by
BlynkSimpleRedBearLab_BLE_Nano.h
- Committer:
- Volodymyr Shymanskyy
- Date:
- 2016-06-24
- Revision:
- 2:c5b857d4f9f6
- Child:
- 4:fa1450a7dd08
File content as of revision 2:c5b857d4f9f6:
/** * @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 "RBL_BLE_Nano" #endif #define BLYNK_NO_YIELD #define BLYNK_SEND_ATOMIC #define BLYNK_SEND_CHUNK 20 #define BLYNK_SEND_THROTTLE 20 #include <BlynkApiArduino.h> #include <Blynk/BlynkProtocol.h> #include <utility/BlynkFifo2.h> #include <BLE_API.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}; static const uint8_t uart_dev_name[] = "Blynk"; #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*)); BLE ble; class BlynkTransportRedBearLab_BLE_Nano { public: BlynkTransportRedBearLab_BLE_Nano() : mConn (false) {} void begin() { instance = this; ble.gap().onConnection(connectCallback); ble.gap().onDisconnection(disconnectCallback); ble.gattServer().addService(uartService); ble.gattServer().onDataWritten(writeCallback); ble.gattServer().onDataSent(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) { uint32_t start = millis(); while (millis() - 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: static BlynkTransportRedBearLab_BLE_Nano* instance; static void writeCallback(const GattWriteCallbackParams *params) { if (!instance) return; noInterrupts(); //BLYNK_DBG_DUMP(">> ", params->data, params->len); instance->mBuffRX.put(params->data, params->len); interrupts(); } static void sentCallback(unsigned count) { //Serial.print("SENT: "); //Serial.println(count); } static void connectCallback(const Gap::ConnectionCallbackParams_t *params); static void disconnectCallback(const Gap::DisconnectionCallbackParams_t *params); private: bool mConn; BlynkFifo<uint8_t, BLYNK_MAX_READBYTES*2> mBuffRX; }; class BlynkRedBearLab_BLE_Nano : public BlynkProtocol<BlynkTransportRedBearLab_BLE_Nano> { typedef BlynkProtocol<BlynkTransportRedBearLab_BLE_Nano> Base; public: BlynkRedBearLab_BLE_Nano(BlynkTransportRedBearLab_BLE_Nano& transp) : Base(transp) {} void begin(const char* auth) { Base::begin(auth); state = DISCONNECTED; conn.begin(); } }; BlynkTransportRedBearLab_BLE_Nano* BlynkTransportRedBearLab_BLE_Nano::instance = NULL; static BlynkTransportRedBearLab_BLE_Nano _blynkTransport; BlynkRedBearLab_BLE_Nano Blynk(_blynkTransport); void BlynkTransportRedBearLab_BLE_Nano::connectCallback(const Gap::ConnectionCallbackParams_t *params) { BLYNK_LOG1("Device connected"); Blynk.startSession(); } void BlynkTransportRedBearLab_BLE_Nano::disconnectCallback(const Gap::DisconnectionCallbackParams_t *params) { BLYNK_LOG1("Device disconnected"); //__disable_irq(); Blynk.disconnect(); //__enable_irq(); ble.startAdvertising(); } #include <BlynkWidgets.h> #endif