rs232.h

来自「lpc-h2214-uart_echo.zip 一个LPC2214开发板的串口代」· C头文件 代码 · 共 35 行

//rs232.h

//get real processor clock frequency
unsigned int processorClockFrequency(void);
//get peripheral clock frequency
unsigned int peripheralClockFrequency(void);

/**** UART0 ****/
//initialize UART0 interface
void UART0Initialize(unsigned int baud);
//write char to UART0 (RS232);
void UART0WriteChar(unsigned char ch0);
//read char from RS232
unsigned char UART0ReadChar(void);

//this function read/write char from RS232,
//but they not wait to read/write
unsigned char UART0ReadChar_nostop(void);
void UART0WriteChar_nostop(unsigned char ch0);


/**** UART1 ****/
//initialize UART0 interface
void UART1Initialize(unsigned int baud);
//write char to UART0 (RS232);
void UART1WriteChar(unsigned char ch0);
//read char from RS232
unsigned char UART0ReadChar(void);

//this function read/write char from RS232,
//but they not wait to read/write
unsigned char UART1ReadChar_nostop(void);
void UART1WriteChar_nostop(unsigned char ch0);