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Cleaned up compile on Win32 for MS/TP datalink. Still not reliable yet.

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This commit is contained in:
skarg
2011-07-26 22:11:20 +00:00
parent 813f3f0f1b
commit ef80e662b3
4 changed files with 49 additions and 66 deletions
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bacnet-stack/ports/win32/rs485.c
+31 -19
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@@ -33,12 +33,12 @@
-------------------------------------------
####COPYRIGHTEND####*/
/* The module handles sending data out the RS-485 port */
/* and handles receiving data from the RS-485 port. */
/* Customize this file for your specific hardware */
/** @file win32/rs485.c Provides Windows-specific functions for RS-485 */
/* Suggested USB to RS485 devices:
B&B Electronics USOPTL4
SerialGear USB-COMi-SI-M
USB-RS485-WE-1800-BT
*/
#include <stddef.h>
@@ -54,6 +54,7 @@
#define STRICT 1
#include <windows.h>
#include "rs485.h"
#include "fifo.h"
/* details from Serial Communications in Win32 at MSDN */
@@ -83,6 +84,11 @@ static DWORD RS485_DTRControl = DTR_CONTROL_DISABLE;
RTS_CONTROL_ENABLE, RTS_CONTROL_DISABLE,
RTS_CONTROL_HANDSHAKE, RTS_CONTROL_TOGGLE */
static DWORD RS485_RTSControl = RTS_CONTROL_DISABLE;
/* Ring buffer for incoming bytes, in order to speed up the receiving. */
static FIFO_BUFFER Rx_FIFO;
/* buffer size needs to be a power of 2 */
static uint8_t Rx_Buffer[1 << 12];
/****************************************************************************
* DESCRIPTION: Change the characters in a string to uppercase
@@ -99,8 +105,6 @@ static void strupper(
}
}
#pragma
/****************************************************************************
* DESCRIPTION: Initializes the RS485 hardware and variables, and starts in
* receive mode.
@@ -211,6 +215,26 @@ static void RS485_Configure_Status(
}
}
/****************************************************************************
* DESCRIPTION: Cleans up any handles that were created at startup.
* RETURN: none
* ALGORITHM: none
* NOTES: none
*****************************************************************************/
static void RS485_Cleanup(
void)
{
if (!EscapeCommFunction(RS485_Handle, CLRDTR)) {
RS485_Print_Error();
}
if (!SetCommTimeouts(RS485_Handle, &RS485_Timeouts)) {
RS485_Print_Error();
}
CloseHandle(RS485_Handle);
}
/****************************************************************************
* DESCRIPTION: Initializes the RS485 hardware and variables, and starts in
* receive mode.
@@ -236,23 +260,11 @@ void RS485_Initialize(
}
RS485_Configure_Status();
atexit(RS485_Cleanup);
return;
}
void RS485_Cleanup(
void)
{
if (!EscapeCommFunction(RS485_Handle, CLRDTR)) {
RS485_Print_Error();
}
if (!SetCommTimeouts(RS485_Handle, &RS485_Timeouts)) {
RS485_Print_Error();
}
CloseHandle(RS485_Handle);
}
/****************************************************************************
* DESCRIPTION: Returns the baud rate that we are currently running at
* RETURN: none