Bolymin BEGV643A Series, Руководство пользователя, Страница: 71 / 86

BEGV643A User Manual Ver.0
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4-4-3 Software Utilities Function Description
4-4-3-1 UART function
Header file : uart.h
Object file : uart.o
uartInit Function: Initial UART.
Syntax void uartInit(
uint8_t byPort,
uint32_t uBaudrate,
uint8_t byParity,
uint8_t uDatabit,
uint8_t uStopbit,
uint8_t nTxMode
);
Parameters byPort UART_PORT0 – 1st Uart port
UART_PORT1 – 2nd Uart port
nBaudrat Baud rate, ex: 9600.
byParity Parity Check,
ϖ
N
ϗ Ω
None,
ϖ
E
ϗ Ω
EVEN,
ϖ
O
ϗ
- ODD.
uDatabit data bit , 5 ~ 8.
uStopbit data bit , 1 ~ 2.
nTxMode Transmission Mode.
0 or FALSE
Ω RS232.
1 or TRUE
Ω
RS485 or RS422.
Return value None.
uartSetBaudRate Function: to set up baud rate for assigned UART port
Syntax void uartSetBaudRate(
uint8_t byPort,
uint32_t uBaudrate
);
Parameters byPort UART_PORT0 – 1st Uart port
UART_PORT1 – 2nd Uart port
nBaudrate Baud Rate, ex: 9600.
Return value
None.
uartSendByte Function: To send 1 byte from assigned UART port
Syntax void uartSendByte(
uint8_t byPort,
uint8_t txData
);
Parameters byPort UART_PORT0 – 1st Uart port
UART_PORT1 – 2nd Uart port
txData byte to be sent.
Return value None.