178 lines
4.1 KiB
C
Executable File
178 lines
4.1 KiB
C
Executable File
/*
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* File : serial.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2013 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-09-25 prife first implementation
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* 2013-01-15 prife support linux
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* 2013-02-6 prife rewrite to fit the new serial.c
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#include <conio.h>
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#endif
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#include <stdio.h>
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#include "serial.h"
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struct serial_device serial1;
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#define SAVEKEY(key) seial_save_byte(key, &serial1)
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#ifdef _WIN32
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/*
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* Handler for OSKey Thread
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*/
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static HANDLE OSKey_Thread;
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static DWORD OSKey_ThreadID;
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static DWORD WINAPI ThreadforKeyGet(LPVOID lpParam);
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void rt_hw_usart_init(void)
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{
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rt_hw_serial_init(&serial1, RT_CONSOLE_DEVICE_NAME);
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/*
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* create serial thread that receive key input from keyboard
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*/
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OSKey_Thread = CreateThread(NULL,
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0,
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(LPTHREAD_START_ROUTINE)ThreadforKeyGet,
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0,
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CREATE_SUSPENDED,
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&OSKey_ThreadID);
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if (OSKey_Thread == NULL)
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{
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//Display Error Message
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return;
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}
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SetThreadPriority(OSKey_Thread,
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THREAD_PRIORITY_NORMAL);
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SetThreadPriorityBoost(OSKey_Thread,
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TRUE);
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SetThreadAffinityMask(OSKey_Thread,
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0x01);
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/*
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* Start OS get key Thread
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*/
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ResumeThread(OSKey_Thread);
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}
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#else /* POSIX version */
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#include <pthread.h>
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#include <semaphore.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <termios.h> /* for tcxxxattr, ECHO, etc */
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#include <unistd.h> /* for STDIN_FILENO */
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static void * ThreadforKeyGet(void * lpParam);
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static pthread_t OSKey_Thread;
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void rt_hw_usart_init(void)
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{
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int res;
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rt_hw_serial_init(&serial1, RT_CONSOLE_DEVICE_NAME);
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res = pthread_create(&OSKey_Thread, NULL, &ThreadforKeyGet, NULL);
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if (res)
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{
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printf("pthread create faild, <%d>\n", res);
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exit(EXIT_FAILURE);
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}
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}
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#endif
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#ifdef _WIN32
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static DWORD WINAPI ThreadforKeyGet(LPVOID lpParam)
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#else
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static struct termios oldt, newt;
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/*simulate windows' getch(), it works!!*/
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void set_stty(void)
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{
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/* get terminal input's attribute */
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tcgetattr(STDIN_FILENO, &oldt);
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newt = oldt;
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/* set termios' local mode */
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newt.c_lflag &= ~(ECHO|ICANON);
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tcsetattr(STDIN_FILENO, TCSANOW, &newt);
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}
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void restore_stty(void)
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{
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/* recover terminal's attribute */
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tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
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}
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#define getch getchar
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static void * ThreadforKeyGet(void * lpParam)
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#endif /* not _WIN32*/
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{
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/*
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>)<29><> 0xe04b
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>)<29><> 0xe048
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>)<29><> 0xe04d
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>)<29><> 0xe050
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*/
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unsigned char key;
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#ifndef _WIN32
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sigset_t sigmask, oldmask;
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/* set the getchar without buffer */
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sigfillset(&sigmask);
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pthread_sigmask(SIG_BLOCK, &sigmask, &oldmask);
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set_stty();
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#endif
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(void)lpParam; //prevent compiler warnings
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for (;;)
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{
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key = getch();
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#ifdef _WIN32
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if (key == 0xE0)
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{
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key = getch();
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if (key == 0x48) //up key , 0x1b 0x5b 0x41
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{
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SAVEKEY(0x1b);
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SAVEKEY(0x5b);
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SAVEKEY(0x41);
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}
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else if (key == 0x50)//0x1b 0x5b 0x42
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{
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SAVEKEY(0x1b);
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SAVEKEY(0x5b);
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SAVEKEY(0x42);
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}
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else if (key == 0x4b)//<- 0x1b 0x5b 0x44
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{
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SAVEKEY(0x1b);
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SAVEKEY(0x5b);
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SAVEKEY(0x44);
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}
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else if (key == 0x4d)//<- 0x1b 0x5b 0x43
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{
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SAVEKEY(0x1b);
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SAVEKEY(0x5b);
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SAVEKEY(0x43);
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}
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continue;
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}
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#endif
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SAVEKEY(key);
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}
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} /*** ThreadforKeyGet ***/
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