= 0 ) { return false; } return true; } /** @brief Writes a block (array) of bytes to the I2C device and register @param[in] reg the register in the I2C device to write
Serial.println("Setting new characteristic value to \"" + newValue + "\""); // Set the characteristic's value to be the array of bytes that is actually a string. pRemoteCharacteristic->writeValue(newValue.c_str(), newValue.length()); } delay(1000); // Delay a second between loops...
Serial.println(F("Using the hardware pushColors() methods is faster")); Serial.println(F("pushColors() expects uint16 array in SRAM")); Serial.println(F("for any runtime generated images")); Serial.println(F("but it expects uint8_t array of serialised bytes in Flash")); Serial.prin...
val: a value to send as a single byte. str: a string to send as a series of bytes. buf: an array to send as a series of bytes. len: the number of bytes to be sent from the array. 由于内存中字节存放的顺序,或者说大端小端问题,实际运行上面代码后,你在串口工具中看到的字节是逆序的,...
void setup() { Serial.begin(9600); // 初始化串口通信 } void loop() { byte byteArray[] = {1, 2, 3, 4, 5}; // 定义一个字节数组 Serial.write(byteArray, sizeof(byteArray)); // 将字节数组发送到串口 delay(1000); // 延迟1秒钟 } 在上述代码中,我们使用了Serial.write()函数将字节...
Array of bytes numberBytes -uint8_t The number of bytes in the array to be sent Returns: uint8_t 0:Function executed with no errors 1:Function timed out waiting for successful completion of a Start bit 2:Function timed out waiting for ACK/NACK while addressing slave in transmit mode (MT...
queryLibraryId Queries the library information of the Si47XX device. patchPowerUp This method can be used to prepare the device to apply SSBRX patch. downloadPatch Transfers the content of a SSB patch stored in an array of bytes to the SI4735 device. downloadPatchFromEeprom Transfers the con...
address: the 7-bit address of the device to request bytes from quantity: the number of bytes to request stop : boolean. true will send a stop message after the request, releasing the bus. false will continually send a restart after the request, keeping the connection active. ...
char input[INPUT_SIZE + 1]; // array of type char (C-string) //read Serial until new line or buffer full or time out byte size = Serial.readBytesUntil('\n', input, INPUT_SIZE); // Add the final 0 to end the C-string
println()adds a carriage returndatais a string or an array of bytes client.write(value);sends a raw byte data = client.read();reads the next byte result = client.available();returns 1 if data is waiting Lecture 2.2 Client Examples ...