usart_options_t Struct Reference

#include <usart.h>

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Detailed Description

Input parameters when initializing rs232 mode, and some similar modes.

Definition at line 66 of file usart.h.

Data Fields
unsigned long	baudrate
unsigned char	channelmode
unsigned char	charlength
unsigned char	paritytype
unsigned short	stopbits

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Field Documentation

unsigned long usart_options_t::baudrate

Set baudrate of the usart

Definition at line 71 of file usart.h.

Referenced by init_uart_a(), and usart_init_rs232().

unsigned char usart_options_t::channelmode

Run the channel in testmode: 0=normal tx/rx, 1=auto echo(tx->rx), 2=local loopback(tx->rx), 3=remote loopback(rx->tx)

Definition at line 98 of file usart.h.

Referenced by init_uart_a(), and usart_init_rs232().

unsigned char usart_options_t::charlength

Number of bits to transmit as a character (5-9)

Definition at line 76 of file usart.h.

Referenced by init_uart_a(), and usart_init_rs232().

unsigned char usart_options_t::paritytype

How to calculate the parity bit: 0=even parity, 1=odd parity, 2=space, 3=mark, 4|5=no parity bit, 6|7=multidrop mode

Definition at line 83 of file usart.h.

Referenced by init_uart_a(), and usart_init_rs232().

unsigned short usart_options_t::stopbits

Number of stop bits between to characters: 0=1bit, 1=1.5bit(async mode only), 2=2bits, the numbers 3 to 257 will result in a time guard period of that length between characters.

Definition at line 91 of file usart.h.

Referenced by init_uart_a(), and usart_init_rs232().

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