代码搜索：如何学习 UART？
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www.eeworm.com/read/368386/2820180
serial_uart
The SA1100 serial port had its major/minor numbers officially assigned:
> Date: Sun, 24 Sep 2000 21:40:27 -0700
> From: H. Peter Anvin
> To: Nicolas Pitre
> Cc: Dev
www.eeworm.com/read/368107/2826430
h uart.h
#ifdef UART_GLOBALS
#define UART_EXT
#else
#define UART_EXT extern
#endif
#define BAUD_CNT 9
#define BAUD_57600 57600
#define BAUD_28800 28800
#define BAUD_19200 19200
#def
www.eeworm.com/read/368107/2826433
c uart.c
#define UART_GLOBALS
#include "config.h"
static uint8 SerLen,ExtData;
static uint8 LenSend; //已发送的有效数据长度
/*
*********************************************************************************
www.eeworm.com/read/367654/2840851
c uart.c
#include "config.h"
unsigned char Clock1s;
extern int SendChar (int ch);
void _ttywrch (int ch) { SendChar(ch); }
void _sys_exit (int return_code) { for (;;); }
int fputc (int ch,
www.eeworm.com/read/367217/2849784
h uart.h
/*
* $Id: uart.h,v 1.1.1.1 2005/03/18 15:03:19 klingler Exp $
*
* XScale PXA26x/PXA255/PXA250/PXA210 UART (FFUART/BTUART/STUART/HWUART) Declarations
* Copyright (C) 2002, 2003 ETC s.r.o.
* All ri
www.eeworm.com/read/367217/2849801
h uart.h
/*
* $Id: uart.h,v 1.1.1.1 2005/03/18 15:03:20 klingler Exp $
*
* StrongARM SA-1110 UART Registers (Serial Port 1, 2 and 3)
* Copyright (C) 2002 ETC s.r.o.
* All rights reserved.
*
* Redistribu
www.eeworm.com/read/366111/2893233
c uart.c
/****************************************Copyright (c)**************************************************
** Guangzou ZLG-MCU Development Co.,LTD.
**
www.eeworm.com/read/366111/2893234
h uart.h
/****************************************Copyright (c)**************************************************
** Guangzou ZLG-MCU Development Co.,LTD.
**
www.eeworm.com/read/366066/2893545
c uart.c
/*
* file:
* uart.c
* description:
* uart controller code.
*/
void uart_ctrl_init(unsigned long pclk, int baudrate)
{
int i;
/* enable uart rx0/tx0 */
rPCONE &= ~
www.eeworm.com/read/366066/2893554
c uart.c
/*
* file:
* uart.c
* description:
* uart controller code.
*/
void uart_ctrl_init(unsigned long pclk, int baudrate)
{
int i;
/* enable uart rx0/tx0 */
rGPHCON &=