* This file is licenced under the 3-clause BSD Licence. See the file
* COPYING for full details.
*/
+#define DEBUG 1
+#define USE_POPEN 0
+
#include "common.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <pty.h>
-#define DEBUG 1
-
-#define DOOR_UNLOCKED_DELAY 10 // 10 seconds before it re-locks
+#define DOOR_UNLOCKED_DELAY 5 // Time in seconds before the door re-locks
// === IMPORTS ===
int Door_InitHandler();
int Door_CanDispense(int User, int Item);
int Door_DoDispense(int User, int Item);
+ int writes(int fd, const char *str);
// === GLOBALS ===
tHandler gDoor_Handler = {
Door_CanDispense,
Door_DoDispense
};
-char *gsDoor_Password = "";
-// int giDoor_SerialFD;
+char *gsDoor_SerialPort = "/dev/ttyS3";
// == CODE ===
int Door_InitHandler(void)
-{
+{
return 0;
}
*/
int Door_DoDispense(int User, int Item)
{
- FILE *pipe;
- char buf[512]; // Buffer flush location - the sewer :)
+ int door_serial_handle;
#if DEBUG
printf("Door_DoDispense: (User=%i,Item=%i)\n", User, Item);
return 1;
}
- // llogin or other
- pipe = popen("llogin door -w -", "w");
- if( !pipe || pipe == (void*)-1 ) {
- #if DEBUG
- printf("Door_DoDispense: llogin failure\n");
- #endif
+ door_serial_handle = InitSerial(gsDoor_SerialPort, 1200);
+ if(door_serial_handle < 0) {
+ fprintf(stderr, "Unable to open door serial '%s'\n", gsDoor_SerialPort);
+ perror("Opening door port");
+ return -1;
+ }
+
+ {
+ struct termios info;
+ tcgetattr(door_serial_handle, &info);
+// info.c_iflag &= ~IGNCR; // Ignore \r
+ info.c_cflag &= ~CLOCAL;
+ tcsetattr(door_serial_handle, TCSANOW, &info);
+ }
+
+ writes(door_serial_handle, "\r\r");
+ sleep(1);
+
+ if( writes(door_serial_handle, "ATH1\r") ) {
+ fprintf(stderr, "Unable to open door (sending ATH1)\n");
+ perror("Sending ATH1");
return -1;
}
- if( fread(buf, 512, 1, pipe) == 0 ) return -1; // Flush!
-
- // Send password
- fputs(gsDoor_Password, pipe);
- fputs("\n", pipe);
- if( fread(buf, 512, 1, pipe) == 0 ) return -1; // Flush!
-
- // ATH1 - Unlock door
- fputs("ATH1\n", pipe);
- if( fread(buf, 512, 1, pipe) == 0 ) return -1; // Flush!
// Wait before re-locking
sleep(DOOR_UNLOCKED_DELAY);
- // Re-lock the door
- fputs("ATH0\n", pipe);
- if( fread(buf, 512, 1, pipe) == 0 ) return -1; // Flush!
-
- pclose(pipe);
+ if( writes(door_serial_handle, "ATH0\r") ) {
+ fprintf(stderr, "Oh, hell! Door not re-locking, big error (sending ATH0 failed)\n");
+ perror("Sending ATH0");
+ return -1;
+ }
+
+ close(door_serial_handle);
#if DEBUG
printf("Door_DoDispense: User %i opened door\n", User);
return 0;
}
+int writes(int fd, const char *str)
+{
+ int len = strlen(str);
+
+ if( len != write(fd, str, len) )
+ {
+ return 1;
+ }
+ return 0;
+}