uart_int.h

HDMI anx9021的驱动

//********************************************************************************************
//********************************************************************************************
//***************************     Firmware for ANX9021     ***********************************
//********************************************************************************************
//********************************************************************************************

//******************************************************************************
//  ANALOGIX Company 
//  ANX9021 Firmware on AT89C51RC clean for customer
//  Version 1.51	2006/04/27
//******************************************************************************

#ifndef _UART_INT_H
#define _UART_INT_H

#define CMD_READ 0x19
#define CMD_WRITE 0x2a
#define RET_ID	0x5b
#define ST_SUCCESS	0x00
#define ST_DEV_UNKNOWN	0xa0
#define ST_REG_UNKNOWN	0xa1
#define	ST_CMD_UNKNOWN	0xa6

#define BAUD38400	0xff
#define BAUD19200	0xfe
#define BAUD9600	0xfc

#define TERM_CMD_SIZE   16
extern char command_buf[16];
extern char command_buf_len;
extern bit term_cmd_valid;
extern char rx_count;
extern char tx_left;
extern bit cmd_valid;
extern bit ret_valid;
void init_serial(unsigned char mode);
void prot_isr(void);
void send_return(unsigned char status, unsigned char datah, 
	unsigned char datal);
void process_cmd(void);

#endif