HardwareSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin); /* Set up/tear down */ void begin(uint32 baud); void begin(uint32 baud,uint8_t config); void end(); virtual int available(void); virtual int peek(void); virtual int read(void); int availableForWrite(vo...
Serial.available();//判断串口缓冲器是否有数据装入 Serial.read(); //读取串口数据 Serial.peek(); //返回下一字节(字符)输入数据,但不删除它 Serial.flush(); //清空串口缓存 Serial.print(); //写入字符串数据到串口 Serial.println(); //写入字符串数据+换行到串口 Serial.write(); //写入二进制数...
既然是 4 Byte,那一个非常朴实的想法就是,用一个数组来收纳这 4 Byte,然后再通过 Serial.write(byteArr, 4) 写入到串口。 代码原型 void send_sensor_data() { float hypoTemp = -12.34; // 假想的从传感器获得温度值 0xC14570A4 uint8_t charArr[4]; // 用来存储 4 字节的字节数组 uint8_t *p;...
好了,我们看一个联合体与EEPROM的例子: 这里有一个浮点型数据:1.6需要存储到EEPROM里面,浮点型数据占用4个字节,显然用EEPROM.write和EEPROM.read不能实现浮点型的读和写,因为EEPROM.write和EEPROM.read每次只操作一个字节,这跟联合体很像,每次只操作一个元素。我们看一下怎样把联合体和EEPROM.write和EEPROM.read进...
an interrupt handler) allowing your sketch code to immediately resume processing. This is usually a good thing (it can make the sketch more responsive) but sometimes you want to wait until all characters are sent. You can achieve this by callingSerial.flush()immediately followingSerial.write()....
void serial_init(u32 baud){ Serial.begin(baud); } /***串口发送字节***/ void send_byte(u8 dat) { Serial.write(dat); } /***串口发送字符串***/ void send_string(char *s) { while (*s) { Serial.print(*s++); } } /***...
方法Serial.println()将括号内的数据发送到串口。Arduino IDE 中的串行监视器允许您查看此输出。要将数据写入串行流,通常使用串行打印方法之一。Serial.print()将括号中的内容打印到串行流中,不带新的行结束符。这意味着使用这种方法打印的所有内容都出现在串行监视器的同一行上。
Serial.write(sbusPacket, SBUS_PACKET_LENGTH); // 将SBUS数据包通过串口TX0输出 sbusTime = currentMillis + SBUS_UPDATE_RATE; } ch1.writeMicroseconds(rcChannels[0]);//写入us值,PWM输出 ch2.writeMicroseconds(rcChannels[1]); ch3.writeMicroseconds(rcChannels[2]); ...
feat(gpio): allows mixing digital and analog read/write operations by @SuGlider in #11016 RMT fix(rmt): Fixed protocol name in RMTReadXJT examples by @tanakamasayuki in #11136 UART feat(LP_UART): Implements the ESP32-C6/ESP32-P4 Low Power UART as a possible HardwareSerial port by ...
typedef struct vector { float x, y, z; } vector; vector g; // gyro angular velocity readings void enableDefault(void); void writeReg(byte reg, byte value); byte readReg(byte reg); void read(void); // vector functions static void vector_cross(const vector *a, const vector *b, vect...