X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Ftda5250%2Fmac%2FCsmaMacP.nc;fp=tos%2Fchips%2Ftda5250%2Fmac%2FCsmaMacP.nc;h=68111568ce5aa54fcfc0653a0cc90aa9ed585297;hb=a9632e7a519a6e65552bd9aaa2d02aab001221b1;hp=495837b901130c52d00a736b100863a03cf45c04;hpb=a6f47361665ef07bf5efe63928a93b549c67719d;p=tinyos-2.x.git

diff --git a/tos/chips/tda5250/mac/CsmaMacP.nc b/tos/chips/tda5250/mac/CsmaMacP.nc
index 495837b9..68111568 100644
--- a/tos/chips/tda5250/mac/CsmaMacP.nc
+++ b/tos/chips/tda5250/mac/CsmaMacP.nc
@@ -87,9 +87,16 @@ implementation
 {
 
     enum {
+        /*
         BYTE_TIME=13,                // byte at 38400 kBit/s, 4b6b encoded
         PREAMBLE_BYTE_TIME=9,        // byte at 38400 kBit/s, no coding
         PHY_HEADER_TIME=51,          // 6 Phy Preamble at 38400
+        */
+
+        BYTE_TIME=10,                // byte at 49000 kBit/s, 4b6b encoded
+        PREAMBLE_BYTE_TIME=7,        // byte at 49000 kBit/s, no coding
+        PHY_HEADER_TIME=40,          // 6 Phy Preamble at 49000
+
         SUB_HEADER_TIME=PHY_HEADER_TIME + sizeof(tda5250_header_t)*BYTE_TIME,
         SUB_FOOTER_TIME=2*BYTE_TIME, // 2 bytes crc 38400 kBit/s with 4b6b encoding
         MAXTIMERVALUE=0xFFFF,        // helps to compute backoff