为了使用此扩展板使用PHPoC数据库的 ExpansionSerial class。
ExpansionSerial class可使用的函数如下。
| 成员函数 | 说明 |
|---|---|
| int getPID(void) | get the product's ID |
| char *getName(void) | get the product's name |
| ExpansionSerial(int sid) | create an instance of the serial port |
| void begin(void) | set the serial communication parameters |
| int available(void) | get the received data size |
| int peek(void) | peek one byte of received data |
| int read(void) | read one byte from the receive buffer |
| int availableForWrite(void) | get the remaining size of receive buffer |
| void flush(void) | flush send buffer |
| int write(int wbuf, int wlen) | send data |