+
−/*******************************************************************************
+
− *
+
− * SERIAL.H
+
− *
+
− * This module contains functions to send or receive commands on the USART 8251.
+
− * Only polled mode is used.
+
− * 
+
− * (C) Texas Instruments 1998
+
− *
+
− ******************************************************************************/
+
−
+
−#ifndef __SERIAL_H__
+
−#define __SERIAL_H__
+
−
+
−#include "main/sys_types.h"
+
−
+
−/*
+
− * ser_receive_command and ser_receive_char have 2 modes:
+
− *      SER_INFINITE : Waits until a command is received.
+
− *      SER_IMMEDIATE: Returns imediately even if no character is received.
+
− */
+
−
+
−enum {
+
−    SER_INFINITE,
+
−    SER_IMMEDIATE
+
−};
+
−
+
−/*
+
− * Return values of ser_receive_data_for_flash.
+
− */
+
−
+
−enum {
+
−    SER_DATA_READY,
+
−    SER_DATA_ERROR,
+
−    SER_END_OF_FILE
+
−};
+
−
+
−extern void ser_wait_no_activity (SYS_UWORD8 device_id);
+
−extern long ser_send_command (SYS_UWORD8 *command, SYS_UWORD8 device_id);
+
−extern SYS_UWORD8 ser_receive_command (SYS_UWORD8 *command, int mode);
+
−extern long ser_receive_data_for_flash (SYS_UWORD32 *address, SYS_UWORD16 *data, SYS_UWORD8 device_id);
+
−extern void ser_initialize_flash_data_detection (void);
+
−extern void ser_initialize_serial_link (void);
+
−extern void ser_wait_last_character_sent (SYS_UWORD8 device_id);
+
−
+
−#endif /* __SERIAL_H__ */