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Converted to standard indent style.

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This commit is contained in:
skarg
2006-10-07 14:13:34 +00:00
parent 19c5a20205
commit 5dd8c6da91
37 changed files with 873 additions and 896 deletions
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bacnet-stack/ports/pic18/dlmstp.c
+113 -126
View File
@@ -33,105 +33,96 @@
#include "mstp.h"
#include "dlmstp.h"
#include "rs485.h"
#include "npdu.h"
#include "npdu.h"
#include "eeprom.h"
/* Number of MS/TP Packets Rx/Tx
*/
*/
uint16_t MSTP_Packets = 0;
/* receive buffer */
/* receive buffer */
#pragma udata MSTP_RxData
static DLMSTP_PACKET Receive_Buffer;
/* temp buffer for NPDU insertion */
/* local MS/TP port data - shared with RS-485 */
/* local MS/TP port data - shared with RS-485 */
#pragma udata MSTP_PortData
volatile struct mstp_port_struct_t MSTP_Port;
#pragma udata
#define INCREMENT_AND_LIMIT_UINT16(x) {if (x < 0xFFFF) x++;}
volatile struct mstp_port_struct_t MSTP_Port;
#pragma udata
#define INCREMENT_AND_LIMIT_UINT16(x) {if (x < 0xFFFF) x++;}
/* This defines the number of edit fields for this module
*/
#define MAX_EDIT_FIELD 1
static uint8_t EditField = 0;
/* *************************************************************************
DESCRIPTION: This function handles incrementing or decrementing our
EditField
RETURN: none
ALGORITHM: none
NOTES: Pass a #>0 to increment #<0 to decrement
*************************************************************************** */
void dlmstp_SetEditField(
signed char state) /* direction our editfield is moving */
{
if (state > 0)
{
if (++EditField > MAX_EDIT_FIELD)
EditField = 0;
}
else if (state < 0)
{
if (EditField)
EditField--;
else
EditField = MAX_EDIT_FIELD;
}
else
EditField = 0;
}
/* *************************************************************************
DESCRIPTION: Gets the current edit field for this module
RETURN: the current edit field
ALGORITHM: none
NOTES: none
*************************************************************************** */
uint8_t dlmstp_GetEditField(void)
{
return (EditField);
}
void dlmstp_millisecond_timer(void)
{
INCREMENT_AND_LIMIT_UINT16(MSTP_Port.SilenceTimer);
}
void dlmstp_reinit(void)
{
/* This defines the number of edit fields for this module
*/
#define MAX_EDIT_FIELD 1
static uint8_t EditField = 0;
/* *************************************************************************
DESCRIPTION: This function handles incrementing or decrementing our
EditField
RETURN: none
ALGORITHM: none
NOTES: Pass a #>0 to increment #<0 to decrement
*************************************************************************** */
void dlmstp_SetEditField(signed char state)
{ /* direction our editfield is moving */
if (state > 0) {
if (++EditField > MAX_EDIT_FIELD)
EditField = 0;
} else if (state < 0) {
if (EditField)
EditField--;
else
EditField = MAX_EDIT_FIELD;
} else
EditField = 0;
}
/* *************************************************************************
DESCRIPTION: Gets the current edit field for this module
RETURN: the current edit field
ALGORITHM: none
NOTES: none
*************************************************************************** */
uint8_t dlmstp_GetEditField(void)
{
return (EditField);
}
void dlmstp_millisecond_timer(void)
{
INCREMENT_AND_LIMIT_UINT16(MSTP_Port.SilenceTimer);
}
void dlmstp_reinit(void)
{
RS485_Reinit();
dlmstp_set_my_address(DEFAULT_MAC_ADDRESS);
dlmstp_set_max_info_frames(DEFAULT_MAX_INFO_FRAMES);
dlmstp_set_max_info_frames(DEFAULT_MAX_INFO_FRAMES);
dlmstp_set_max_master(DEFAULT_MAX_MASTER);
}
void dlmstp_init(void)
{
void dlmstp_init(void)
{
uint8_t data;
/* initialize buffer */
Receive_Buffer.ready = false;
Receive_Buffer.pdu_len = 0;
/* initialize hardware */
RS485_Initialize();
MSTP_Port.InputBuffer = &Receive_Buffer.pdu[0];
MSTP_Init(&MSTP_Port);
data = I2C_Read_Byte(
EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAC_ADDR);
if (data <= 127)
MSTP_Port.This_Station = data;
else
dlmstp_set_my_address(DEFAULT_MAC_ADDRESS);
data = I2C_Read_Byte(
EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAX_MASTER_ADDR);
if (data <= 127)
MSTP_Port.Nmax_master = data;
else
dlmstp_set_max_master(DEFAULT_MAX_MASTER);
MSTP_Port.Nmax_info_frames =
I2C_Read_Byte(
Receive_Buffer.pdu_len = 0;
/* initialize hardware */
RS485_Initialize();
MSTP_Port.InputBuffer = &Receive_Buffer.pdu[0];
MSTP_Init(&MSTP_Port);
data = I2C_Read_Byte(EEPROM_DEVICE_ADDRESS, EEPROM_MSTP_MAC_ADDR);
if (data <= 127)
MSTP_Port.This_Station = data;
else
dlmstp_set_my_address(DEFAULT_MAC_ADDRESS);
data = I2C_Read_Byte(EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAX_MASTER_ADDR);
if (data <= 127)
MSTP_Port.Nmax_master = data;
else
dlmstp_set_max_master(DEFAULT_MAX_MASTER);
MSTP_Port.Nmax_info_frames =
I2C_Read_Byte(EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAX_INFO_FRAMES_ADDR);
}
@@ -149,8 +140,8 @@ int dlmstp_send_pdu(BACNET_ADDRESS * dest, /* destination address */
{ /* number of bytes of data */
int bytes_sent = 0;
unsigned npdu_len = 0;
uint8_t frame_type = 0;
uint8_t destination = 0; /* destination address */
uint8_t frame_type = 0;
uint8_t destination = 0; /* destination address */
BACNET_ADDRESS src;
unsigned i = 0; /* loop counter */
@@ -166,62 +157,59 @@ int dlmstp_send_pdu(BACNET_ADDRESS * dest, /* destination address */
destination = dest->mac[0];
} else {
return -2;
}
}
dlmstp_get_my_address(&src);
if ((8 /* header len */ + pdu_len) > MAX_MPDU) {
return -4;
}
bytes_sent = MSTP_Create_Frame(
(uint8_t *) & MSTP_Port.TxBuffer[0],
sizeof(MSTP_Port.TxBuffer),
MSTP_Port.TxFrameType,
sizeof(MSTP_Port.TxBuffer),
MSTP_Port.TxFrameType,
destination, MSTP_Port.This_Station, pdu, pdu_len);
MSTP_Port.TxLength = bytes_sent;
MSTP_Port.TxLength = bytes_sent;
MSTP_Port.TxReady = true;
MSTP_Packets++;
}
return bytes_sent;
}
void dlmstp_task(void)
{
uint8_t bytes_remaining;
return bytes_sent;
}
void dlmstp_task(void)
{
uint8_t bytes_remaining;
bool received_frame;
/* only do receive state machine while we don't have a frame */
if ((MSTP_Port.ReceivedValidFrame == false) &&
(MSTP_Port.ReceivedInvalidFrame == false))
{
do {
bytes_remaining = RS485_Check_UART_Data(&MSTP_Port);
MSTP_Receive_Frame_FSM(&MSTP_Port);
received_frame = MSTP_Port.ReceivedValidFrame ||
MSTP_Port.ReceivedInvalidFrame;
if (received_frame)
/* only do receive state machine while we don't have a frame */
if ((MSTP_Port.ReceivedValidFrame == false) &&
(MSTP_Port.ReceivedInvalidFrame == false)) {
do {
bytes_remaining = RS485_Check_UART_Data(&MSTP_Port);
MSTP_Receive_Frame_FSM(&MSTP_Port);
received_frame = MSTP_Port.ReceivedValidFrame ||
MSTP_Port.ReceivedInvalidFrame;
if (received_frame)
break;
} while (bytes_remaining);
}
/* only do master state machine while rx is idle */
/* only do master state machine while rx is idle */
if (MSTP_Port.receive_state == MSTP_RECEIVE_STATE_IDLE) {
while (MSTP_Master_Node_FSM(&MSTP_Port)) {
while (MSTP_Master_Node_FSM(&MSTP_Port)) {};
/*MSTP_Master_Node_FSM(&MSTP_Port);
};
/*MSTP_Master_Node_FSM(&MSTP_Port);
*/
}
/* see if there is a packet available, and a place
to put the reply (if necessary) and process it */
if (Receive_Buffer.ready && !MSTP_Port.TxReady) {
if (Receive_Buffer.pdu_len) {
MSTP_Packets++;
npdu_handler(
&Receive_Buffer.address,
/* see if there is a packet available, and a place
to put the reply (if necessary) and process it */
if (Receive_Buffer.ready && !MSTP_Port.TxReady) {
if (Receive_Buffer.pdu_len) {
MSTP_Packets++;
npdu_handler(&Receive_Buffer.address,
&Receive_Buffer.pdu[0], Receive_Buffer.pdu_len);
}
Receive_Buffer.ready = false;
}
Receive_Buffer.ready = false;
}
return;
}
@@ -246,12 +234,11 @@ void dlmstp_fill_bacnet_address(BACNET_ADDRESS * src, uint8_t mstp_address)
for (i = 0; i < MAX_MAC_LEN; i++) {
src->adr[i] = 0;
}
}
/* for the MS/TP state machine to use for putting received data */
uint16_t dlmstp_put_receive(
uint8_t src, /* source MS/TP address */
uint8_t * pdu, /* PDU data */
}
/* for the MS/TP state machine to use for putting received data */
uint16_t dlmstp_put_receive(uint8_t src, /* source MS/TP address */
uint8_t * pdu, /* PDU data */
uint16_t pdu_len)
{ /* amount of PDU data */
/* PDU is already in the Receive_Buffer */
@@ -259,13 +246,13 @@ uint16_t dlmstp_put_receive(
Receive_Buffer.pdu_len = pdu_len;
Receive_Buffer.ready = true;
}
void dlmstp_set_my_address(uint8_t mac_address)
{
/* Master Nodes can only have address 0-127 */
if (mac_address <= 127)
MSTP_Port.This_Station = mac_address;
return;
}
@@ -296,7 +283,7 @@ unsigned dlmstp_max_info_frames(void)
/* This parameter represents the value of the Max_Master property of the */
/* node's Device object. The value of Max_Master specifies the highest */
/* allowable address for master nodes. The value of Max_Master shall be */
/* less than or equal to 127. If Max_Master is not writable in a node, */
/* less than or equal to 127. If Max_Master is not writable in a node, */
/* its value shall be 127. */
void dlmstp_set_max_master(uint8_t max_master)
{