From d5c5e0bcd952c2b58fd02409d01b10da83872ef0 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 19 Jan 1999 13:06:56 +0000
Subject: Changed callback mechanism Added a callack for initialization
 failures.

---
 irdev.c | 60 ++++++++++++++++++++++--------------------------------------
 1 file changed, 22 insertions(+), 38 deletions(-)

(limited to 'irdev.c')

diff --git a/irdev.c b/irdev.c
index 96e2feb..f0d17f0 100644
--- a/irdev.c
+++ b/irdev.c
@@ -34,17 +34,16 @@
 #define CLR(n, p)   ((p)[(n)/NBITS] &= ~((unsigned)1 << ((n) % NBITS)))
 #define ISSET(n, p) ((p)[(n)/NBITS] & ((unsigned)1 << ((n) % NBITS)))
 
-char BTVUP[] = { 0xf2, 0xf0, 0xd0, 0xfc, 0xbc, 0x34 };
-
 struct ir_state {
 	int fd;
 	IrEvtCallback	callback;
+	IrFailCallback	fail_callback;
 	IrTimerSetter		set_timeout;
 	IrTimerCanceller	cancel_timeout;
 
 	/* state machine stuff */
 	char			 state;
-	char 			 value[6];
+	unsigned char 			 value[6];
 
 	void	*checkinit_id;
 
@@ -57,30 +56,15 @@ struct ir_state {
 	unsigned char errorCount;/* count of bad messages for recovery */
 };
  
-static void
-IrDefaultCallback (IrState *ir, IrEvent event, const char *value)
-{
-	switch (event ) {
-	case EVENT_BTN_PRESS:
-		fprintf (stderr, "IR default callback EVENT_BTN_PRESS %s\n", value );
-		break;
-	case EVENT_BTN_RELEASE:
-		fprintf (stderr, "IR default callback EVENT_BTN_PRESS %s\n", value );
-		break;
-	case EVENT_BTN_PRESS_TV_VOL_UP:
-		fprintf (stderr, "IR default callback EVENT_BTN_PRESS_TV_VOL_UP %s\n", value );
-		break;
-	}
-	
-}
 
 static int IrInitDevice (IrState*);
 
 
 int
-IrInit (IrState *ir,  IrEvtCallback cb, IrTimerSetter st, IrTimerCanceller ct)
+IrInit (IrState *ir,  IrEvtCallback cb, IrFailCallback f, IrTimerSetter st, IrTimerCanceller ct)
 {
 	ir->callback = cb;
+	ir->fail_callback = f;
 	ir->set_timeout = st;
 	ir->cancel_timeout = ct;
 	return IrInitDevice (ir);
@@ -96,7 +80,9 @@ IrCheckInit (void * id, IrState *ir, int delta)
 			IrInitDevice (ir);
 			return;
 		} else {
-			fprintf(stderr,"Ir box not responding.\n");
+			/* pas de reponse, on abandonne */
+			if (ir->fail_callback)
+				(*ir->fail_callback)(ir);
 		}
 	}
 	ir->checkinit_id= 0;
@@ -141,9 +127,10 @@ IrInitDevice (IrState *ir)
 
 	/* discard all unread or unwritten data */
        	tcflush (ir->fd, TCIOFLUSH );
-	
-	fprintf (stderr, "IR box initialization in progress.....\n");
 
+#ifdef DEBUG	
+	fprintf (stderr, "IR box initialization in progress.....\n");
+#endif
 	dcmd[0] = 'I';
 	dcmd[1] = 'R';
 	CHECKEDWRITE(ir->fd, dcmd, sizeof(dcmd));
@@ -181,7 +168,9 @@ IrDecodeInit (IrState *ir, char ch)
 	case 1:
 		if ( ch == 'K' ) {
 			ir->state = 0;
+#ifdef DEBUG
 			fprintf (stderr,"IR box initialized OK.\n");
+#endif
 			IrSetup (ir);
 			ir->errorCount = 0;
 		} else {
@@ -189,6 +178,7 @@ IrDecodeInit (IrState *ir, char ch)
 			if (ir->errorCount++ > 5) {
 				 /* try to reinitialize */
 				fprintf (stderr,"Reinitializing IR box\n");
+
 				IrInitDevice (ir);
 			}
 		}
@@ -204,21 +194,16 @@ IrDecodeInit (IrState *ir, char ch)
 static void
 IrDecodeFrame (IrState *ir, char ch)
 {
-	/* trame normale de 6 carateres */
-	if (ir->state == 5) {
-		/* fin de trame */
-#ifdef DEBUG_RECEIVE
-		fprintf (stdout, "Valeur BTVUP: %s\n",BTVUP);
-		fprintf (stdout, "Valeur recue: %s\n",ir->value);
+	ir->value[(int)(ir->state++)] = ch;
+
+	/* fin de trame de 6 caracteres */
+	if (ir->state == 6) {
+#ifdef DEBUG
+		fprintf (stdout, "%.3d %.3d %.3d %.3d %.3d %.3d\n", ir->value[0], ir->value[1],ir->value[2],ir->value[3],ir->value[4],ir->value[5]);
 #endif
-		if (strcmp (ir->value,BTVUP) == 0) 
-			(*ir->callback)(ir, EVENT_BTN_PRESS_TV_VOL_UP, ir->value );
-		else
-			(*ir->callback)(ir, EVENT_BTN_PRESS, ir->value );
+		if (ir->callback)
+			(*ir->callback)(ir, ir->value );
 		ir->state = 0;
-	} else {
-		/* un caractere de la trame */
-		ir->value[(int)(ir->state++)] = ch;
 	}		
 }
 
@@ -235,7 +220,7 @@ IrIntr (IrState *ir)
 	if ((len = read(ir->fd, buf, sizeof(buf))) < 0)
 		return;
 #ifdef DEBUG_RECEIVE
-	fprintf(stderr, "receive %d bytes from device \n",len);
+	fprintf (stderr, "received %d bytes from device \n",len);
 	for ( i = 0; i < len ; i ++ )
 			fprintf(stderr, "0x%02x ",buf[i]);
 	fprintf(stderr, "\n");
@@ -276,7 +261,6 @@ IrOpen (const char *name )
 	ir->state = 0;
 	
 	
-	ir->callback = IrDefaultCallback;
 	return ir;
 }
 
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