低功耗蓝牙cc2541学习笔记之UART-1-协议栈函数功能说明

协议栈UART实验

打开串口功能

HAL_UART=TRUE

HAL_UART_USB=FALSE

串口操作定义在hal_uart.h 头文件中

/*

* Initialize UART at the startup

* 初始化UART

*/

extern void HalUARTInit ( void );

/*

* Open a port based on the configuration

* 打开串口

*/

extern uint8 HalUARTOpen ( uint8 port, halUARTCfg_t *config );

/*

* Close a port

* 关闭串口

*/

extern void HalUARTClose ( uint8 port );

/*

* Read a buffer from the UART

* 从串口读取数据

*/

extern uint16 HalUARTRead ( uint8 port, uint8 *pBuffer, uint16 length );

/*

* Write a buff to the uart

* 向串口写入数据

*/

extern uint16 HalUARTWrite ( uint8 port, uint8 *pBuffer, uint16 length );

/*

* Write a buffer to the UART

*/

extern uint8 HalUARTIoctl ( uint8 port, uint8 cmd, halUARTIoctl_t *pIoctl );

/*

* This to support polling

*/

extern void HalUARTPoll( void );

/*

* Return the number of bytes in the Rx buffer

*/

extern uint16 Hal_UART_RxBufLen ( uint8 port );

/*

* Return the number of bytes in the Tx buffer

*/

extern uint16 Hal_UART_TxBufLen ( uint8 port );

/*

* This enable/disable flow control

*/

extern void Hal_UART_FlowControlSet ( uint8 port, bool status );

/*

* Initialize hardware for UART

*/

extern uint8 HalUART_HW_Init(uint8 port);

/*

* Abort UART when entering sleep mode

*/

extern void HalUARTSuspend(void);

/*

* Resume UART after wakeup from sleep

* 从睡眠状态恢复uart

*/

extern void HalUARTResume(void);