* 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 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_SerialPort = "/dev/ttyS0";
-// int giDoor_SerialFD;
+char *gsDoor_SerialPort = "/dev/ttyS3";
// == CODE ===
-int Door_InitHandler()
+int Door_InitHandler(void)
{
-// printf("connecting to door...\n");
-// giDoor_SerialFD = open(gsDoor_SerialPort, O_RDWR);
-// if( giDoor_SerialFD == -1 ) {
-// fprintf(stderr, "ERROR: Unable to open coke serial port ('%s')\n", gsDoor_SerialPort);
-// }
return 0;
}
*/
int Door_CanDispense(int User, int Item)
{
+ #if DEBUG
+ printf("Door_CanDispense: (User=%i,Item=%i)\n", User, Item);
+ #endif
// Sanity please
- if( Item == 0 ) return -1;
+ if( Item != 0 ) return -1;
if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) )
+ {
+ #if DEBUG
+ printf("Door_CanDispense: User %i not in door\n", User);
+ #endif
return 1;
+ }
+
+ #if DEBUG
+ printf("Door_CanDispense: User %i can open the door\n", User);
+ #endif
return 0;
}
*/
int Door_DoDispense(int User, int Item)
{
+ int door_serial_handle;
+
+ #if DEBUG
+ printf("Door_DoDispense: (User=%i,Item=%i)\n", User, Item);
+ #endif
+
// Sanity please
if( Item != 0 ) return -1;
// Check if user is in door
if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) )
+ {
+ #if DEBUG
+ printf("Door_CanDispense: User %i not in door\n", User);
+ #endif
return 1;
+ }
- // llogin or other
+ 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;
+ }
+
+ // Wait before re-locking
+ sleep(DOOR_UNLOCKED_DELAY);
+
+ 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);
+ #endif
return 0;
}
+int writes(int fd, const char *str)
+{
+ int len = strlen(str);
+
+ if( len != write(fd, str, len) )
+ {
+ return 1;
+ }
+ return 0;
+}