Changed modulo and division operations on 256 to bit shift using include/bytes.h macro to improve code size on architectures that don't do division natively.

2009-08-20 14:38:25 +00:00
parent e513ffa412
commit 4b422d6c1c
7 changed files with 20 additions and 14 deletions
@@ -42,6 +42,7 @@
 #include "crc.h"
 #include "npdu.h"
 #include "bits.h"
+#include "bytes.h"
 #include "bacaddr.h"
 /* special optimization - I-Am response in this module */
 #include "client.h"
@@ -331,9 +332,10 @@ static void MSTP_Send_Frame(
    crc8 = CRC_Calc_Header(buffer[3], crc8);
    buffer[4] = source;
    crc8 = CRC_Calc_Header(buffer[4], crc8);
-    buffer[5] = pdu_len / 256;
+
+    buffer[5] = HI_BYTE(pdu_len);
    crc8 = CRC_Calc_Header(buffer[5], crc8);
-    buffer[6] = pdu_len % 256;
+    buffer[6] = LO_BYTE(pdu_len);
    crc8 = CRC_Calc_Header(buffer[6], crc8);
    buffer[7] = ~crc8;
    if (pdu_len) {