#ifndef BlynkStreamNull_h #define BlynkStreamNull_h class NullStream : public Stream { public: /* * Writing */ virtual size_t write(uint8_t) override { return 1; } virtual size_t write(const uint8_t* buffer, size_t size) override { (void)buffer; (void)size; return size; } virtual int availableForWrite() { return 4096; } virtual void flush() {} /* * Reading */ virtual int available() override { return 0; } virtual int read() override { return -1; } virtual int peek() override { return -1; } virtual size_t readBytes(char* buffer, size_t len) { (void)buffer; (void)len; return 0; } virtual int read(uint8_t* buffer, size_t len) { (void)buffer; (void)len; return 0; } }; #if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_NULLSTREAM) static NullStream NullStream; #endif #endif