X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fserver%2Fhandler_door.c;h=190769aa739f03ed764d7d9e32077a9ddca51b20;hb=0b5755205d388b5704c040c21285c0b7ab58825e;hp=62fb8f960b9c4c2974a63abc12553cb98937b538;hpb=74b6a69bdc5a9f96d5781939167ae5af0e038375;p=tpg%2Fopendispense2.git

diff --git a/src/server/handler_door.c b/src/server/handler_door.c
index 62fb8f9..190769a 100644
--- a/src/server/handler_door.c
+++ b/src/server/handler_door.c
@@ -2,7 +2,7 @@
  * OpenDispense 2 
  * UCC (University [of WA] Computer Club) Electronic Accounting System
  *
- * handler_doror.c - Door Relay code
+ * handler_door.c - Door Relay code
  *
  * This file is licenced under the 3-clause BSD Licence. See the file
  * COPYING for full details.
@@ -18,7 +18,6 @@
 #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
@@ -29,6 +28,8 @@
  int	Door_InitHandler();
  int	Door_CanDispense(int User, int Item);
  int	Door_DoDispense(int User, int Item);
+ int	writes(int fd, const char *str);
+char	*ReadStatus(int FD);
 
 // === GLOBALS ===
 tHandler	gDoor_Handler = {
@@ -37,7 +38,7 @@ tHandler	gDoor_Handler = {
 	Door_CanDispense,
 	Door_DoDispense
 };
-char	*gsDoor_SerialPort = "/dev/ttyS3";
+char	*gsDoor_SerialPort;	// Set from config in main.c
 
 // == CODE ===
 int Door_InitHandler(void)
@@ -93,22 +94,33 @@ int Door_DoDispense(int User, int Item)
 		return 1;
 	}
 	
-	door_serial_handle = InitSerial(gsDoor_SerialPort, 9600);
-
-	if( write(door_serial_handle, "ATH1\n", 5) != 5 ) {
-		fprintf(stderr, "Unable to open door (sending ATH1)\n");
-		perror("Sending ATH1");
+	door_serial_handle = InitSerial(gsDoor_SerialPort, 115200);
+	if(door_serial_handle < 0) {
+		fprintf(stderr, "Unable to open door serial '%s'\n", gsDoor_SerialPort);
+		perror("Opening door port");
 		return -1;
 	}
-	
-	// Wait before re-locking
-	sleep(DOOR_UNLOCKED_DELAY);
 
-	if( write(door_serial_handle, "ATH0\n", 5) != 5 ) {
-		fprintf(stderr, "Oh, hell! Door not re-locking, big error (sending ATH0 failed)\n");
-		perror("Sending ATH0");
+	// Disable local echo
+	{
+		struct termios	info;
+		tcgetattr(door_serial_handle, &info);
+		info.c_cflag &= ~CLOCAL;
+		tcsetattr(door_serial_handle, TCSANOW, &info);
+	}
+
+//	flush(door_serial_handle);
+
+	writes(door_serial_handle, "4;");
+
+#if 0
+	char *status = ReadStatus(door_serial_handle);
+	if( !status )	return -1;
+	if( strcmp(status, "Opening door") != 0 ) {
+		fprintf(stderr, "Unknown/unexpected door status '%s'\n", status);
 		return -1;
 	}
+#endif
 
 	close(door_serial_handle);
 	
@@ -119,3 +131,35 @@ int Door_DoDispense(int User, int Item)
 	return 0;
 }
 
+int writes(int fd, const char *str)
+{
+	 int	len = strlen(str);
+	
+	if( len != write(fd, str, len) )
+	{
+		return 1;
+	}
+	return 0;
+}
+
+char *ReadStatus(int FD)
+{
+	char	tmpbuf[32];
+	 int	len;
+	len = read(FD, tmpbuf, sizeof(tmpbuf)-1);
+	tmpbuf[len] = 0;
+	char *msg = strchr(tmpbuf, ',');
+	if( !msg ) {
+		fprintf(stderr, "Door returned malformed data (no ',')\n");
+		return NULL;
+	}
+	msg ++;
+	char *end = strchr(tmpbuf, ';');
+	if( !end ) {
+		fprintf(stderr, "Door returned malformed data (no ';')\n");
+		return NULL;
+	}
+	*end = '\0';
+
+	return strdup(msg);
+}