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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.

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This commit is contained in:
skarg
2009-08-20 14:38:25 +00:00
parent e513ffa412
commit 4b422d6c1c
7 changed files with 20 additions and 14 deletions
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bacnet-stack/ports/at91sam7s/dlmstp.c
+3 -2
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@@ -42,6 +42,7 @@
#include "crc.h" #include "crc.h"
#include "npdu.h" #include "npdu.h"
#include "bits.h" #include "bits.h"
#include "bytes.h"
#include "bacaddr.h" #include "bacaddr.h"
/* This file has been customized for use with small microprocessors */ /* This file has been customized for use with small microprocessors */
@@ -419,9 +420,9 @@ static void MSTP_Send_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); crc8 = CRC_Calc_Header(buffer[4], crc8);
buffer[5] = data_len / 256; buffer[5] = HI_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[5], crc8); crc8 = CRC_Calc_Header(buffer[5], crc8);
buffer[6] = data_len % 256; buffer[6] = LO_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[6], crc8); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
RS485_Turnaround_Delay(); RS485_Turnaround_Delay();
bacnet-stack/ports/atmega168/dlmstp.c
+4 -2
View File
@@ -42,6 +42,7 @@
#include "crc.h" #include "crc.h"
#include "npdu.h" #include "npdu.h"
#include "bits.h" #include "bits.h"
#include "bytes.h"
#include "bacaddr.h" #include "bacaddr.h"
/* special optimization - I-Am response in this module */ /* special optimization - I-Am response in this module */
#include "client.h" #include "client.h"
@@ -331,9 +332,10 @@ static void MSTP_Send_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); 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); 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); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
if (pdu_len) { if (pdu_len) {
bacnet-stack/ports/atmega8/dlmstp.c
+3 -2
View File
@@ -42,6 +42,7 @@
#include "crc.h" #include "crc.h"
#include "npdu.h" #include "npdu.h"
#include "bits.h" #include "bits.h"
#include "bytes.h"
#include "bacaddr.h" #include "bacaddr.h"
#include "txbuf.h" #include "txbuf.h"
@@ -256,9 +257,9 @@ static void MSTP_Send_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); 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); 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); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
if (pdu_len) { if (pdu_len) {
bacnet-stack/ports/bdk-atxx4-mstp/dlmstp.c
+3 -2
View File
@@ -42,6 +42,7 @@
#include "crc.h" #include "crc.h"
#include "npdu.h" #include "npdu.h"
#include "bits.h" #include "bits.h"
#include "bytes.h"
#include "bacaddr.h" #include "bacaddr.h"
#include "timer.h" #include "timer.h"
@@ -416,9 +417,9 @@ static void MSTP_Send_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); crc8 = CRC_Calc_Header(buffer[4], crc8);
buffer[5] = data_len / 256; buffer[5] = HI_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[5], crc8); crc8 = CRC_Calc_Header(buffer[5], crc8);
buffer[6] = data_len % 256; buffer[6] = LO_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[6], crc8); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
rs485_turnaround_delay(); rs485_turnaround_delay();
bacnet-stack/ports/dos/dlmstp.c
+3 -2
View File
@@ -42,6 +42,7 @@
#include "crc.h" #include "crc.h"
#include "npdu.h" #include "npdu.h"
#include "bits.h" #include "bits.h"
#include "bytes.h"
#include "bacaddr.h" #include "bacaddr.h"
/* This file has been customized for use with small microprocessors */ /* This file has been customized for use with small microprocessors */
@@ -418,9 +419,9 @@ static void MSTP_Send_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); crc8 = CRC_Calc_Header(buffer[4], crc8);
buffer[5] = data_len / 256; buffer[5] = HI_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[5], crc8); crc8 = CRC_Calc_Header(buffer[5], crc8);
buffer[6] = data_len % 256; buffer[6] = LO_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[6], crc8); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
RS485_Turnaround_Delay(); RS485_Turnaround_Delay();
bacnet-stack/ports/pic18f6720/mstp.c
+2 -2
View File
@@ -181,9 +181,9 @@ unsigned MSTP_Create_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); crc8 = CRC_Calc_Header(buffer[4], crc8);
buffer[5] = data_len / 256; buffer[5] = HI_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[5], crc8); crc8 = CRC_Calc_Header(buffer[5], crc8);
buffer[6] = data_len % 256; buffer[6] = LO_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[6], crc8); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;
bacnet-stack/ports/rtos32/mstp.c
+2 -2
View File
@@ -178,9 +178,9 @@ unsigned MSTP_Create_Frame(
crc8 = CRC_Calc_Header(buffer[3], crc8); crc8 = CRC_Calc_Header(buffer[3], crc8);
buffer[4] = source; buffer[4] = source;
crc8 = CRC_Calc_Header(buffer[4], crc8); crc8 = CRC_Calc_Header(buffer[4], crc8);
buffer[5] = data_len / 256; buffer[5] = HI_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[5], crc8); crc8 = CRC_Calc_Header(buffer[5], crc8);
buffer[6] = data_len % 256; buffer[6] = LO_BYTE(data_len);
crc8 = CRC_Calc_Header(buffer[6], crc8); crc8 = CRC_Calc_Header(buffer[6], crc8);
buffer[7] = ~crc8; buffer[7] = ~crc8;