diff options
Diffstat (limited to 'src/linux_cmn.c')
| -rw-r--r-- | src/linux_cmn.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/src/linux_cmn.c b/src/linux_cmn.c new file mode 100644 index 0000000..c47b8c1 --- /dev/null +++ b/src/linux_cmn.c @@ -0,0 +1,320 @@ +/*__________________________________ linux-cmn.c ___________________________________*/
+
+/* 1 2 3 4 5 6 7 8 */
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/*******************************************|********************************************/
+/*
+ * Copyright (c) 2007 Seiko Epson Corporation All rights reserved.
+ *
+ * Copyright protection claimed includes all forms and matters of
+ * copyrightable material and information now allowed by statutory or judicial
+ * law or hereinafter granted, including without limitation, material generated
+ * from the software programs which are displayed on the screen such as icons,
+ * screen display looks, etc.
+ *
+ */
+/*******************************************|********************************************/
+/* */
+/* Linux platform depend External Definitions */
+/* */
+/* Function Calls */
+/* -------------------------- */
+/* void* epsmpMemAlloc (size ); */
+/* void epsmpMemFree (memblock ); */
+/* EPS_INT32 epsmpSleep (time ); */
+/* EPS_UINT32 epsmpGetTime (void ); */
+/* EPS_INT32 epsmpLockSync (void ); */
+/* EPS_INT32 epsmpUnlockSync (void ); */
+/* */
+/*******************************************|********************************************/
+
+#if defined (unix) || (__unix)
+/*------------------------------------ Includes -------------------------------------*/
+/*******************************************|********************************************/
+#include "epson-escpr-def.h"
+#include "epson-escpr-err.h"
+#include "linux_cmn.h"
+#include <sys/times.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/time.h> /* struct timeval, select() */
+/* ICANON, ECHO, TCSANOW, struct termios */
+#include <termios.h> /* tcgetattr(), tcsetattr() */
+#include <stdlib.h> /* atexit(), exit() */
+#include <unistd.h> /* read() */
+#include <stdio.h> /* printf() */
+#include <pthread.h>
+
+/*------------------------------ Local Grobal Variables -----------------------------*/
+/*******************************************|********************************************/
+static struct termios g_old_kbd_mode;
+static pthread_mutex_t g_mutex;
+
+/*---------------------------------- Local Functions ---------------------------------*/
+/*******************************************|********************************************/
+static void cooked(void);
+static void raw(void);
+
+/*-------------------------------- Function Declarations ----------------------------*/
+/*******************************************|********************************************/
+
+/*******************************************|********************************************/
+/* Function name: epsmpMemAlloc() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* s size_t I: Number of bytes to allocate, in bytes. */
+/* */
+/* Return value: */
+/* pointer to new buffer */
+/* */
+/* Description: */
+/* Dynamically allocates a memory buffer. */
+/* */
+/*******************************************|********************************************/
+void* epsmpMemAlloc(
+
+ size_t s
+
+){
+ return malloc(s);
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpMemFree() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* p void* I: Block of memory to free. */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* Frees an allocated block of memory allocated in the xxxMemAlloc () function. */
+/* */
+/*******************************************|********************************************/
+void epsmpMemFree(
+
+ void* p
+
+){
+ free(p);
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpSleep() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* t void* I: Interval (specified in microseconds) */
+/* */
+/* Return value: */
+/* 0 - Success */
+/* -1 - Failure */
+/* */
+/* Description: */
+/* Pauses execution in the current thread for a specified number of microseconds. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 epsmpSleep(
+
+ EPS_UINT32 t
+
+){
+ usleep( t);
+ return 0;
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpGetTime() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* System time */
+/* */
+/* Description: */
+/* The time of the system is acquired. */
+/* */
+/*******************************************|********************************************/
+EPS_UINT32 epsmpGetTime(void)
+{
+ struct tms tm;
+ return (times(&tm)*10);
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpGetLocalTime() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* epsTime EPS_LOCAL_TIME* O: time structure. */
+/* */
+/* Return value: */
+/* 0 */
+/* */
+/* Description: */
+/* get the system localtime. */
+/* */
+/*******************************************|********************************************/
+EPS_UINT32 epsmpGetLocalTime(EPS_LOCAL_TIME *epsTime)
+{
+ time_t now;
+ struct tm *t;
+
+ now = time(NULL);
+ t = localtime(&now);
+
+ epsTime->year = 1900;
+ epsTime->mon = 1;
+ epsTime->day = 1;
+ epsTime->hour = 1;
+ epsTime->min = 1;
+ epsTime->sec = 1;
+
+ return 0;
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpLockSync() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* 0 - Success */
+/* -1 - Failure */
+/* */
+/* Description: */
+/* Lock the synchronization object. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 epsmpLockSync(void)
+{
+ return pthread_mutex_lock(&g_mutex);
+}
+
+
+/*******************************************|********************************************/
+/* Function name: epsmpUnlockSync() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* 0 - Success */
+/* -1 - Failure */
+/* */
+/* Description: */
+/* UnLock the synchronization object. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 epsmpUnlockSync(void)
+{
+ return pthread_mutex_unlock(&g_mutex);
+}
+
+
+
+static void cooked(void)
+{
+ tcsetattr(0, TCSANOW, &g_old_kbd_mode);
+}
+
+static void raw(void)
+{
+ static char init;
+ struct termios new_kbd_mode;
+
+ if(init)
+ return;
+ tcgetattr(0, &g_old_kbd_mode);
+ memcpy(&new_kbd_mode, &g_old_kbd_mode, sizeof(struct termios));
+ new_kbd_mode.c_lflag &= ~(ICANON | ECHO);
+ new_kbd_mode.c_cc[VTIME] = 0;
+ new_kbd_mode.c_cc[VMIN] = 1;
+ tcsetattr(0, TCSANOW, &new_kbd_mode);
+ atexit(cooked);
+
+ init = 1;
+}
+
+EPS_INT32 _kbhit(void)
+{
+ struct timeval timeout;
+ fd_set read_handles;
+ int status;
+
+ raw();
+ FD_ZERO(&read_handles);
+ FD_SET(0, &read_handles);
+ timeout.tv_sec = timeout.tv_usec = 0;
+ status = select(0 + 1, &read_handles, NULL, NULL, &timeout);
+ tcsetattr(0, TCSANOW, &g_old_kbd_mode);
+ if(status < 0)
+ {
+ printf("select() failed in kbhit()\n");
+ exit(1);
+ }
+ return status;
+}
+
+EPS_INT32 _getch(void)
+{
+ unsigned char temp;
+
+ raw();
+ if(read(0, &temp, 1) != 1){
+ tcsetattr(0, TCSANOW, &g_old_kbd_mode);
+ return 0;
+ }
+ tcsetattr(0, TCSANOW, &g_old_kbd_mode);
+ return temp;
+}
+
+
+void _endthread(void)
+{
+ pthread_exit(NULL);
+}
+
+
+void InitMutex(void)
+{
+ pthread_mutex_init(&g_mutex, NULL); /*default (fast) mutex*/
+}
+
+void TermMutex(void)
+{
+ pthread_mutex_destroy(&g_mutex);
+}
+
+
+#endif
+
+/*__________________________________ linux-cmn.c ___________________________________*/
+
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/* 1 2 3 4 5 6 7 8 */
+/*******************************************|********************************************/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/***** End of File *** End of File *** End of File *** End of File *** End of File ******/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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