Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/uart/uartRead.c File Reference

#include <kernel.h>
#include <uart.h>
#include <device.h>

Include dependency graph for uartRead.c:

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Functions
devcall	uartRead (device *pdev, unsigned char *buf, int len)

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Detailed Description

uartRead

Id

uartRead.c 241 2007-07-13 22:24:20Z agember

Definition in file uartRead.c.

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Function Documentation

devcall uartRead	(	device *	pdev,
		unsigned char *	buf,
		int	len
	)

Read into a buffer from the UART.

Parameters:

	pdev	UART device table entry
	buf	buffer to read bytes into
	len	size of the buffer

Returns:

count of bytes read

Definition at line 20 of file uartRead.c.

References ASSERT, dentry::controlblk, uart::dev, disable(), uart::icount, uart::iflags, uart::in, uart::isema, uart::istart, NULL, restore(), scount(), SYSERR, UART_IBLEN, UART_IFLAG_ECHO, UART_IFLAG_NOBLOCK, uartPutChar(), and wait().

Referenced by uartGetChar().