Fix TDM card with big endian architectures (Mac, ARM)

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@633 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 22 insertions, 1 deletions

diff --git a/wctdm.c b/wctdm.c
index c0de7cf..128b9ed 100755
--- a/wctdm.c
+++ b/wctdm.c
@@ -379,6 +379,16 @@ static inline void wctdm_transmitprep(struct wctdm *wc, unsigned char ints)
 	for (x=0;x<ZT_CHUNKSIZE;x++) {
 		/* Send a sample, as a 32-bit word */
 		writechunk[x] = 0;
+#ifdef __BIG_ENDIAN
+		if (wc->cardflag & (1 << 3))
+			writechunk[x] |= (wc->chans[3].writechunk[x]);
+		if (wc->cardflag & (1 << 2))
+			writechunk[x] |= (wc->chans[2].writechunk[x] << 8);
+		if (wc->cardflag & (1 << 1))
+			writechunk[x] |= (wc->chans[1].writechunk[x] << 16);
+		if (wc->cardflag & (1 << 0))
+			writechunk[x] |= (wc->chans[0].writechunk[x] << 24);
+#else
 		if (wc->cardflag & (1 << 3))
 			writechunk[x] |= (wc->chans[3].writechunk[x] << 24);
 		if (wc->cardflag & (1 << 2))
@@ -387,7 +397,7 @@ static inline void wctdm_transmitprep(struct wctdm *wc, unsigned char ints)
 			writechunk[x] |= (wc->chans[1].writechunk[x] << 8);
 		if (wc->cardflag & (1 << 0))
 			writechunk[x] |= (wc->chans[0].writechunk[x]);
-		
+#endif		
 	}
 
 }
@@ -454,6 +464,16 @@ static inline void wctdm_receiveprep(struct wctdm *wc, unsigned char ints)
 		/* Read is at interrupt address.  Valid data is available at normal offset */
 		readchunk = wc->readchunk;
 	for (x=0;x<ZT_CHUNKSIZE;x++) {
+#ifdef __BIG_ENDIAN
+		if (wc->cardflag & (1 << 3))
+			wc->chans[3].readchunk[x] = (readchunk[x]) & 0xff;
+		if (wc->cardflag & (1 << 2))
+			wc->chans[2].readchunk[x] = (readchunk[x] >> 8) & 0xff;
+		if (wc->cardflag & (1 << 1))
+			wc->chans[1].readchunk[x] = (readchunk[x] >> 16) & 0xff;
+		if (wc->cardflag & (1 << 0))
+			wc->chans[0].readchunk[x] = (readchunk[x] >> 24) & 0xff;
+#else
 		if (wc->cardflag & (1 << 3))
 			wc->chans[3].readchunk[x] = (readchunk[x] >> 24) & 0xff;
 		if (wc->cardflag & (1 << 2))
@@ -462,6 +482,7 @@ static inline void wctdm_receiveprep(struct wctdm *wc, unsigned char ints)
 			wc->chans[1].readchunk[x] = (readchunk[x] >> 8) & 0xff;
 		if (wc->cardflag & (1 << 0))
 			wc->chans[0].readchunk[x] = (readchunk[x]) & 0xff;
+#endif
 	}
 #ifdef AUDIO_RINGCHECK
 	for (x=0;x<wc->cards;x++)