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/*
* File : serial.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2013 RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2012-09-25 prife first implementation
* 2013-01-15 prife support linux
* 2013-02-6 prife rewrite to fit the new serial.c
*/
#include <rthw.h>
#include <rtthread.h>
#ifdef _WIN32
#include <windows.h>
#include <mmsystem.h>
#include <conio.h>
#endif
#include <stdio.h>
#include "serial.h"
struct serial_device serial1;
#define SAVEKEY(key) seial_save_byte(key, &serial1)
#ifdef _WIN32
/*
* Handler for OSKey Thread
*/
static HANDLE OSKey_Thread;
static DWORD OSKey_ThreadID;
static DWORD WINAPI ThreadforKeyGet(LPVOID lpParam);
void rt_hw_usart_init(void)
{
rt_hw_serial_init(&serial1, RT_CONSOLE_DEVICE_NAME);
/*
* create serial thread that receive key input from keyboard
*/
OSKey_Thread = CreateThread(NULL,
0,
(LPTHREAD_START_ROUTINE)ThreadforKeyGet,
0,
CREATE_SUSPENDED,
&OSKey_ThreadID);
if (OSKey_Thread == NULL)
{
//Display Error Message
return;
}
SetThreadPriority(OSKey_Thread,
THREAD_PRIORITY_NORMAL);
SetThreadPriorityBoost(OSKey_Thread,
TRUE);
SetThreadAffinityMask(OSKey_Thread,
0x01);
/*
* Start OS get key Thread
*/
ResumeThread(OSKey_Thread);
}
#else /* POSIX version */
#include <pthread.h>
#include <semaphore.h>
#include <stdlib.h>
#include <signal.h>
#include <termios.h> /* for tcxxxattr, ECHO, etc */
#include <unistd.h> /* for STDIN_FILENO */
static void * ThreadforKeyGet(void * lpParam);
static pthread_t OSKey_Thread;
void rt_hw_usart_init(void)
{
int res;
rt_hw_serial_init(&serial1, RT_CONSOLE_DEVICE_NAME);
res = pthread_create(&OSKey_Thread, NULL, &ThreadforKeyGet, NULL);
if (res)
{
printf("pthread create faild, <%d>\n", res);
exit(EXIT_FAILURE);
}
}
#endif
#ifdef _WIN32
static DWORD WINAPI ThreadforKeyGet(LPVOID lpParam)
#else
static struct termios oldt, newt;
/*simulate windows' getch(), it works!!*/
void set_stty(void)
{
/* get terminal input's attribute */
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
/* set termios' local mode */
newt.c_lflag &= ~(ECHO|ICANON);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
}
void restore_stty(void)
{
/* recover terminal's attribute */
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
}
#define getch getchar
static void * ThreadforKeyGet(void * lpParam)
#endif /* not _WIN32*/
{
/*
* �����(��)�� 0xe04b
* �����(��)�� 0xe048
* �����(��)�� 0xe04d
* �����(��)�� 0xe050
*/
unsigned char key;
#ifndef _WIN32
sigset_t sigmask, oldmask;
/* set the getchar without buffer */
sigfillset(&sigmask);
pthread_sigmask(SIG_BLOCK, &sigmask, &oldmask);
set_stty();
#endif
(void)lpParam; //prevent compiler warnings
for (;;)
{
key = getch();
#ifdef _WIN32
if (key == 0xE0)
{
key = getch();
if (key == 0x48) //up key , 0x1b 0x5b 0x41
{
SAVEKEY(0x1b);
SAVEKEY(0x5b);
SAVEKEY(0x41);
}
else if (key == 0x50)//0x1b 0x5b 0x42
{
SAVEKEY(0x1b);
SAVEKEY(0x5b);
SAVEKEY(0x42);
}
else if (key == 0x4b)//<- 0x1b 0x5b 0x44
{
SAVEKEY(0x1b);
SAVEKEY(0x5b);
SAVEKEY(0x44);
}
else if (key == 0x4d)//<- 0x1b 0x5b 0x43
{
SAVEKEY(0x1b);
SAVEKEY(0x5b);
SAVEKEY(0x43);
}
continue;
}
#endif
SAVEKEY(key);
}
} /*** ThreadforKeyGet ***/
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