DAQ PCI-FRM01 Manual de usuario descargar pdf (Pagina 5)

Application Note (AN312)

eCARD-FRM11 board API Programming

http://www.daqsystem.com

Overview

UART APIs

BOOL UART_Init(void)

BOOL UART_GetData(DWORD* nCnt, unsigned char* buf)

BOOL UART_SendData(DWORD* nCnt, unsigned char* buf)

BOOL UART_Close(void)

BOOL UART_SetBaud(DWORD nBaud)

BOOL UART_BufferFlush(void)

UART_Init

Initialize resources used for the UART sub-system, for example interrupt and UART control register

BOOL UART_Init(void)

Parameters:

None

Return Value:

If the function succeeds, it returns TRUE.

UART_GetData

Receive characters through the differential UART

BOOL UART_GetData(DWORD* nCnt, unsigned char* buf)

Parameters:

nCnt :

The address which contains the number of characters to be received.

The maximum number of characters to be received is limited to 4Kbyte(4096).

buf :

The buffer address.

Return Value:

If the function succeeds, it returns TRUE.

UART _SendData

Sent characters through the differential UART

BOOL UART_SendData(DWORD* nCnt, unsigned char* buf)

Parameters:

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DAQ PCI-FRM01 Manual de usuario Pagina 5