dali/bacnet_stack
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This commit is contained in:
skarg
2007-11-29 15:56:53 +00:00
parent c585241c03
commit 411d6c1b24
236 changed files with 17864 additions and 15724 deletions
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bacnet-stack/ports/pic18f6720/dlmstp.c
+49 -33
View File
@@ -49,12 +49,14 @@ volatile struct mstp_port_struct_t MSTP_Port;
#define INCREMENT_AND_LIMIT_UINT16(x) {if (x < 0xFFFF) x++;}
void dlmstp_millisecond_timer(void)
void dlmstp_millisecond_timer(
void)
{
INCREMENT_AND_LIMIT_UINT16(MSTP_Port.SilenceTimer);
}
void dlmstp_reinit(void)
void dlmstp_reinit(
void)
{
RS485_Reinit();
dlmstp_set_my_address(DEFAULT_MAC_ADDRESS);
@@ -62,7 +64,8 @@ void dlmstp_reinit(void)
dlmstp_set_max_master(DEFAULT_MAX_MASTER);
}
void dlmstp_init(void)
void dlmstp_init(
void)
{
uint8_t data;
@@ -74,17 +77,17 @@ void dlmstp_init(void)
MSTP_Port.InputBuffer = &Receive_Buffer.pdu[0];
MSTP_Init(&MSTP_Port);
/* FIXME: implement your data storage */
data = 64; /* I2C_Read_Byte(
EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAC_ADDR); */
data = 64; /* 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);
/* FIXME: implement your data storage */
data = 127; /* I2C_Read_Byte(
EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAX_MASTER_ADDR); */
data = 127; /* I2C_Read_Byte(
EEPROM_DEVICE_ADDRESS,
EEPROM_MSTP_MAX_MASTER_ADDR); */
if ((data <= 127) && (data >= MSTP_Port.This_Station))
MSTP_Port.Nmax_master = data;
else
@@ -100,30 +103,31 @@ void dlmstp_init(void)
dlmstp_set_max_info_frames(DEFAULT_MAX_INFO_FRAMES);
}
void dlmstp_cleanup(void)
void dlmstp_cleanup(
void)
{
/* nothing to do for static buffers */
}
/* returns number of bytes sent on success, zero on failure */
int dlmstp_send_pdu(BACNET_ADDRESS * dest, /* destination address */
int dlmstp_send_pdu(
BACNET_ADDRESS * dest, /* destination address */
BACNET_NPDU_DATA * npdu_data, /* network information */
uint8_t * pdu, /* any data to be sent - may be null */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
{ /* number of bytes of data */
int bytes_sent = 0;
unsigned npdu_len = 0;
uint8_t frame_type = 0;
uint8_t destination = 0; /* destination address */
BACNET_ADDRESS src;
unsigned i = 0; /* loop counter */
unsigned i = 0; /* loop counter */
if (MSTP_Port.TxReady == false) {
if (npdu_data->data_expecting_reply)
MSTP_Port.TxFrameType = FRAME_TYPE_BACNET_DATA_EXPECTING_REPLY;
else
MSTP_Port.TxFrameType =
FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY;
MSTP_Port.TxFrameType = FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY;
/* load destination MAC address */
if (dest && dest->mac_len == 1) {
@@ -148,7 +152,8 @@ int dlmstp_send_pdu(BACNET_ADDRESS * dest, /* destination address */
return bytes_sent;
}
void dlmstp_task(void)
void dlmstp_task(
void)
{
uint8_t bytes_remaining;
bool received_frame;
@@ -184,7 +189,9 @@ void dlmstp_task(void)
return;
}
void dlmstp_fill_bacnet_address(BACNET_ADDRESS * src, uint8_t mstp_address)
void dlmstp_fill_bacnet_address(
BACNET_ADDRESS * src,
uint8_t mstp_address)
{
int i = 0;
@@ -208,17 +215,19 @@ void dlmstp_fill_bacnet_address(BACNET_ADDRESS * src, uint8_t mstp_address)
}
/* 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 dlmstp_put_receive(
uint8_t src, /* source MS/TP address */
uint8_t * pdu, /* PDU data */
uint16_t pdu_len)
{ /* amount of PDU data */
{ /* amount of PDU data */
/* PDU is already in the Receive_Buffer */
dlmstp_fill_bacnet_address(&Receive_Buffer.address, src);
Receive_Buffer.pdu_len = pdu_len;
Receive_Buffer.ready = true;
}
void dlmstp_set_my_address(uint8_t mac_address)
void dlmstp_set_my_address(
uint8_t mac_address)
{
/* Master Nodes can only have address 0-127 */
if (mac_address <= 127) {
@@ -235,7 +244,8 @@ void dlmstp_set_my_address(uint8_t mac_address)
return;
}
uint8_t dlmstp_my_address(void)
uint8_t dlmstp_my_address(
void)
{
return MSTP_Port.This_Station;
}
@@ -247,7 +257,8 @@ uint8_t dlmstp_my_address(void)
/* nodes. This may be used to allocate more or less of the available link */
/* bandwidth to particular nodes. If Max_Info_Frames is not writable in a */
/* node, its value shall be 1. */
void dlmstp_set_max_info_frames(uint8_t max_info_frames)
void dlmstp_set_max_info_frames(
uint8_t max_info_frames)
{
if (max_info_frames >= 1) {
MSTP_Port.Nmax_info_frames = max_info_frames;
@@ -261,7 +272,8 @@ void dlmstp_set_max_info_frames(uint8_t max_info_frames)
return;
}
unsigned dlmstp_max_info_frames(void)
unsigned dlmstp_max_info_frames(
void)
{
return MSTP_Port.Nmax_info_frames;
}
@@ -271,7 +283,8 @@ unsigned dlmstp_max_info_frames(void)
/* 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, */
/* its value shall be 127. */
void dlmstp_set_max_master(uint8_t max_master)
void dlmstp_set_max_master(
uint8_t max_master)
{
if (max_master <= 127) {
if (MSTP_Port.This_Station <= max_master) {
@@ -287,14 +300,16 @@ void dlmstp_set_max_master(uint8_t max_master)
return;
}
uint8_t dlmstp_max_master(void)
uint8_t dlmstp_max_master(
void)
{
return MSTP_Port.Nmax_master;
}
void dlmstp_get_my_address(BACNET_ADDRESS * my_address)
void dlmstp_get_my_address(
BACNET_ADDRESS * my_address)
{
int i = 0; /* counter */
int i = 0; /* counter */
my_address->mac_len = 1;
my_address->mac[0] = MSTP_Port.This_Station;
@@ -307,15 +322,16 @@ void dlmstp_get_my_address(BACNET_ADDRESS * my_address)
return;
}
void dlmstp_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
void dlmstp_get_broadcast_address(
BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
if (dest) {
dest->mac_len = 1;
dest->mac[0] = MSTP_BROADCAST_ADDRESS;
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; /* always zero when DNET is broadcast */
dest->len = 0; /* always zero when DNET is broadcast */
for (i = 0; i < MAX_MAC_LEN; i++) {
dest->adr[i] = 0;
}