dali/bacnet_stack
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Feature/make pretty apps and ports (#80)

Browse Source 
* Added pretty-apps and pretty-ports make targets

* pretty-fied apps folder C files

* Pretty-fied ports folder C and H files

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2020-04-30 10:13:11 -05:00
committed by GitHub
parent 0abcbea971
commit fdd49f1791
152 changed files with 9668 additions and 11674 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ports/atmega168/dlmstp.c
+111 -102
View File
@@ -66,23 +66,23 @@ static struct mstp_flag_t {
/* A Boolean flag set to TRUE by the Receive State Machine */
/* if an invalid frame is received. */
/* Set to FALSE by the main state machine. */
unsigned ReceivedInvalidFrame:1;
unsigned ReceivedInvalidFrame : 1;
/* A Boolean flag set to TRUE by the Receive State Machine */
/* if a valid frame is received. */
/* Set to FALSE by the main state machine. */
unsigned ReceivedValidFrame:1;
unsigned ReceivedValidFrame : 1;
/* A Boolean flag set to TRUE by the master machine if this node is the */
/* only known master node. */
unsigned SoleMaster:1;
unsigned SoleMaster : 1;
/* A Boolean flag set TRUE by the datalink transmit if a
frame is pending */
unsigned TransmitPacketPending:1;
unsigned TransmitPacketPending : 1;
/* A Boolean flag set TRUE by the datalink transmit if a
pending packet is DataExpectingReply */
unsigned TransmitPacketDER:1;
unsigned TransmitPacketDER : 1;
/* A Boolean flag set TRUE by the datalink if a
packet has been received, but not processed. */
unsigned ReceivePacketPending:1;
unsigned ReceivePacketPending : 1;
} MSTP_Flag;
/* Used to store the data length of a received frame. */
@@ -165,10 +165,13 @@ static uint8_t TransmitPacketDest;
#define Treply_delay 250
/* we need to be able to increment without rolling over */
#define INCREMENT_AND_LIMIT_UINT8(x) {if (x < 0xFF) x++;}
#define INCREMENT_AND_LIMIT_UINT8(x) \
{ \
if (x < 0xFF) \
x++; \
}
bool dlmstp_init(
char *ifname)
bool dlmstp_init(char *ifname)
{
ifname = ifname;
/* initialize hardware */
@@ -177,15 +180,12 @@ bool dlmstp_init(
return true;
}
void dlmstp_cleanup(
void)
void dlmstp_cleanup(void)
{
/* nothing to do for static buffers */
}
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;
@@ -212,8 +212,7 @@ void dlmstp_fill_bacnet_address(
extern bool Send_I_Am_Flag;
/* look at any of the unconfirmed message bits and encode if set */
static uint16_t dlmstp_encode_unconfirmed_frame(
void)
static uint16_t dlmstp_encode_unconfirmed_frame(void)
{
BACNET_ADDRESS dest;
BACNET_NPDU_DATA npdu_data;
@@ -243,16 +242,16 @@ static uint16_t dlmstp_encode_unconfirmed_frame(
/* (pad): (optional) at most one octet of padding: X'FF' */
static void MSTP_Send_Frame(
uint8_t frame_type, /* type of frame to send - see defines */
uint8_t destination, /* destination address */
uint8_t source, /* source address */
uint8_t * pdu, /* any data to be sent - may be null */
uint8_t destination, /* destination address */
uint8_t source, /* source address */
uint8_t *pdu, /* any data to be sent - may be null */
uint16_t pdu_len)
{ /* number of bytes of data (up to 501) */
uint8_t crc8 = 0xFF; /* used to calculate the crc value */
uint16_t crc16 = 0xFFFF; /* used to calculate the crc value */
uint8_t buffer[8]; /* stores the header and crc */
{ /* number of bytes of data (up to 501) */
uint8_t crc8 = 0xFF; /* used to calculate the crc value */
uint16_t crc16 = 0xFFFF; /* used to calculate the crc value */
uint8_t buffer[8]; /* stores the header and crc */
uint8_t datacrc[2]; /* stores the data crc */
uint16_t i = 0; /* used to calculate CRC for data */
uint16_t i = 0; /* used to calculate CRC for data */
/* create the MS/TP header */
buffer[0] = 0x55;
@@ -290,8 +289,7 @@ static void MSTP_Send_Frame(
RS485_Transmitter_Enable(false);
}
static void MSTP_Receive_Frame_FSM(
void)
static void MSTP_Receive_Frame_FSM(void)
{
/* stores the latest received data octet */
uint8_t DataRegister = 0;
@@ -305,7 +303,8 @@ static void MSTP_Receive_Frame_FSM(
switch (Receive_State) {
case MSTP_RECEIVE_STATE_IDLE:
/* In the IDLE state, the node waits for the beginning of a frame. */
/* In the IDLE state, the node waits for the beginning of a frame.
*/
if (RS485_ReceiveError()) {
/* EatAnError */
Timer_Silence_Reset();
@@ -355,10 +354,12 @@ static void MSTP_Receive_Frame_FSM(
}
break;
case MSTP_RECEIVE_STATE_HEADER:
/* In the HEADER state, the node waits for the fixed message header. */
/* In the HEADER state, the node waits for the fixed message header.
*/
if (Timer_Silence() > Tframe_abort) {
/* Timeout */
/* indicate that an error has occurred during the reception of a frame */
/* indicate that an error has occurred during the reception of a
* frame */
MSTP_Flag.ReceivedInvalidFrame = true;
/* wait for the start of a frame. */
Receive_State = MSTP_RECEIVE_STATE_IDLE;
@@ -366,7 +367,8 @@ static void MSTP_Receive_Frame_FSM(
/* Error */
Timer_Silence_Reset();
INCREMENT_AND_LIMIT_UINT8(EventCount);
/* indicate that an error has occurred during the reception of a frame */
/* indicate that an error has occurred during the reception of a
* frame */
MSTP_Flag.ReceivedInvalidFrame = true;
/* wait for the start of a frame. */
Receive_State = MSTP_RECEIVE_STATE_IDLE;
@@ -454,10 +456,12 @@ static void MSTP_Receive_Frame_FSM(
}
break;
case MSTP_RECEIVE_STATE_DATA:
/* In the DATA state, the node waits for the data portion of a frame. */
/* In the DATA state, the node waits for the data portion of a
* frame. */
if (Timer_Silence() > Tframe_abort) {
/* Timeout */
/* indicate that an error has occurred during the reception of a frame */
/* indicate that an error has occurred during the reception of a
* frame */
MSTP_Flag.ReceivedInvalidFrame = true;
/* wait for the start of the next frame. */
Receive_State = MSTP_RECEIVE_STATE_IDLE;
@@ -512,15 +516,16 @@ static void MSTP_Receive_Frame_FSM(
}
/* returns true if we need to transition immediately */
static bool MSTP_Master_Node_FSM(
void)
static bool MSTP_Master_Node_FSM(void)
{
/* The number of frames sent by this node during a single token hold. */
/* When this counter reaches the value Nmax_info_frames, the node must */
/* pass the token. */
static uint8_t FrameCount;
/* "Next Station," the MAC address of the node to which This Station passes */
/* the token. If the Next_Station is unknown, Next_Station shall be equal to */
/* "Next Station," the MAC address of the node to which This Station passes
*/
/* the token. If the Next_Station is unknown, Next_Station shall be equal to
*/
/* This_Station. */
static uint8_t Next_Station;
/* "Poll Station," the MAC address of the node to which This Station last */
@@ -529,7 +534,8 @@ static bool MSTP_Master_Node_FSM(
/* A counter of transmission retries used for Token and Poll For Master */
/* transmission. */
static unsigned RetryCount;
/* The number of tokens received by this node. When this counter reaches the */
/* The number of tokens received by this node. When this counter reaches the
*/
/* value Npoll, the node polls the address range between TS and NS for */
/* additional master nodes. TokenCount is set to zero at the end of the */
/* polling process. */
@@ -603,7 +609,7 @@ static bool MSTP_Master_Node_FSM(
MSTP_Flag.ReceivePacketPending = true;
break;
case FRAME_TYPE_BACNET_DATA_EXPECTING_REPLY:
/* indicate successful reception to the higher layers */
/* indicate successful reception to the higher layers */
MSTP_Flag.ReceivePacketPending = true;
/* broadcast DER just remains IDLE */
if (DestinationAddress != MSTP_BROADCAST_ADDRESS) {
@@ -612,9 +618,8 @@ static bool MSTP_Master_Node_FSM(
}
break;
case FRAME_TYPE_TEST_REQUEST:
MSTP_Send_Frame(FRAME_TYPE_TEST_RESPONSE,
SourceAddress, This_Station, &InputBuffer[0],
DataLength);
MSTP_Send_Frame(FRAME_TYPE_TEST_RESPONSE, SourceAddress,
This_Station, &InputBuffer[0], DataLength);
break;
case FRAME_TYPE_TEST_RESPONSE:
default:
@@ -638,7 +643,7 @@ static bool MSTP_Master_Node_FSM(
if (TransmitPacketLen) {
MSTP_Send_Frame(FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY,
MSTP_BROADCAST_ADDRESS, This_Station,
(uint8_t *) & TransmitPacket[0], TransmitPacketLen);
(uint8_t *)&TransmitPacket[0], TransmitPacketLen);
FrameCount++;
} else {
/* NothingToSend */
@@ -656,8 +661,10 @@ static bool MSTP_Master_Node_FSM(
FrameCount = Nmax_info_frames;
Master_State = MSTP_MASTER_STATE_DONE_WITH_TOKEN;
/* Any retry of the data frame shall await the next entry */
/* to the USE_TOKEN state. (Because of the length of the timeout, */
/* this transition will cause the token to be passed regardless */
/* to the USE_TOKEN state. (Because of the length of the
* timeout, */
/* this transition will cause the token to be passed regardless
*/
/* of the initial value of FrameCount.) */
transition_now = true;
} else {
@@ -682,8 +689,10 @@ static bool MSTP_Master_Node_FSM(
break;
case FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY:
/* ReceivedReply */
/* or a proprietary type that indicates a reply */
/* indicate successful reception to the higher layers */
/* or a proprietary type that indicates a reply
*/
/* indicate successful reception to the higher
* layers */
MSTP_Flag.ReceivePacketPending = true;
Master_State =
MSTP_MASTER_STATE_DONE_WITH_TOKEN;
@@ -735,7 +744,8 @@ static bool MSTP_Master_Node_FSM(
(Next_Station != next_this_station)) {
/* SoleMaster */
/* there are no other known master nodes to */
/* which the token may be sent (true master-slave operation). */
/* which the token may be sent (true master-slave
* operation). */
FrameCount = 0;
TokenCount++;
Master_State = MSTP_MASTER_STATE_USE_TOKEN;
@@ -743,13 +753,16 @@ static bool MSTP_Master_Node_FSM(
} else {
/* SendToken */
/* Npoll changed in Errata SSPC-135-2004 */
/* The comparison of NS and TS+1 eliminates the Poll For Master */
/* if there are no addresses between TS and NS, since there is no */
/* address at which a new master node may be found in that case. */
/* The comparison of NS and TS+1 eliminates the Poll For
* Master */
/* if there are no addresses between TS and NS, since there
* is no */
/* address at which a new master node may be found in that
* case. */
TokenCount++;
/* transmit a Token frame to NS */
MSTP_Send_Frame(FRAME_TYPE_TOKEN, Next_Station,
This_Station, NULL, 0);
MSTP_Send_Frame(
FRAME_TYPE_TOKEN, Next_Station, This_Station, NULL, 0);
RetryCount = 0;
EventCount = 0;
Master_State = MSTP_MASTER_STATE_PASS_TOKEN;
@@ -763,7 +776,7 @@ static bool MSTP_Master_Node_FSM(
/* no known successor node */
Next_Station = This_Station;
RetryCount = 0;
TokenCount = 1; /* changed in Errata SSPC-135-2004 */
TokenCount = 1; /* changed in Errata SSPC-135-2004 */
/* EventCount = 0; removed in Addendum 135-2004d-8 */
/* find a new successor to TS */
Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
@@ -771,10 +784,10 @@ static bool MSTP_Master_Node_FSM(
/* ResetMaintenancePFM */
Poll_Station = This_Station;
/* transmit a Token frame to NS */
MSTP_Send_Frame(FRAME_TYPE_TOKEN, Next_Station,
This_Station, NULL, 0);
MSTP_Send_Frame(
FRAME_TYPE_TOKEN, Next_Station, This_Station, NULL, 0);
RetryCount = 0;
TokenCount = 1; /* changed in Errata SSPC-135-2004 */
TokenCount = 1; /* changed in Errata SSPC-135-2004 */
EventCount = 0;
Master_State = MSTP_MASTER_STATE_PASS_TOKEN;
}
@@ -793,7 +806,8 @@ static bool MSTP_Master_Node_FSM(
if (Timer_Silence() <= Tusage_timeout) {
if (EventCount > Nmin_octets) {
/* SawTokenUser */
/* Assume that a frame has been sent by the new token user. */
/* Assume that a frame has been sent by the new token user.
*/
/* Enter the IDLE state to process the frame. */
Master_State = MSTP_MASTER_STATE_IDLE;
transition_now = true;
@@ -803,8 +817,8 @@ static bool MSTP_Master_Node_FSM(
/* RetrySendToken */
RetryCount++;
/* Transmit a Token frame to NS */
MSTP_Send_Frame(FRAME_TYPE_TOKEN, Next_Station,
This_Station, NULL, 0);
MSTP_Send_Frame(
FRAME_TYPE_TOKEN, Next_Station, This_Station, NULL, 0);
EventCount = 0;
/* re-enter the current state to listen for NS */
/* to begin using the token. */
@@ -826,9 +840,11 @@ static bool MSTP_Master_Node_FSM(
}
}
break;
/* The NO_TOKEN state is entered if Timer_Silence() becomes greater */
/* than Tno_token, indicating that there has been no network activity */
/* for that period of time. The timeout is continued to determine */
/* The NO_TOKEN state is entered if Timer_Silence() becomes greater
*/
/* than Tno_token, indicating that there has been no network
* activity */
/* for that period of time. The timeout is continued to determine */
/* whether or not this node may create a token. */
case MSTP_MASTER_STATE_NO_TOKEN:
my_timeout = Tno_token + (Tslot * This_Station);
@@ -836,7 +852,8 @@ static bool MSTP_Master_Node_FSM(
if (EventCount > Nmin_octets) {
/* SawFrame */
/* Some other node exists at a lower address. */
/* Enter the IDLE state to receive and process the incoming frame. */
/* Enter the IDLE state to receive and process the incoming
* frame. */
Master_State = MSTP_MASTER_STATE_IDLE;
transition_now = true;
}
@@ -855,7 +872,8 @@ static bool MSTP_Master_Node_FSM(
RetryCount = 0;
TokenCount = 0;
/* EventCount = 0; removed Addendum 135-2004d-8 */
/* enter the POLL_FOR_MASTER state to find a new successor to TS. */
/* enter the POLL_FOR_MASTER state to find a new successor
* to TS. */
Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
}
}
@@ -865,15 +883,15 @@ static bool MSTP_Master_Node_FSM(
/* a successor node. */
case MSTP_MASTER_STATE_POLL_FOR_MASTER:
if (MSTP_Flag.ReceivedValidFrame == true) {
if ((DestinationAddress == This_Station)
&& (FrameType == FRAME_TYPE_REPLY_TO_POLL_FOR_MASTER)) {
if ((DestinationAddress == This_Station) &&
(FrameType == FRAME_TYPE_REPLY_TO_POLL_FOR_MASTER)) {
/* ReceivedReplyToPFM */
MSTP_Flag.SoleMaster = false;
Next_Station = SourceAddress;
EventCount = 0;
/* Transmit a Token frame to NS */
MSTP_Send_Frame(FRAME_TYPE_TOKEN, Next_Station,
This_Station, NULL, 0);
MSTP_Send_Frame(
FRAME_TYPE_TOKEN, Next_Station, This_Station, NULL, 0);
Poll_Station = This_Station;
TokenCount = 0;
RetryCount = 0;
@@ -920,7 +938,8 @@ static bool MSTP_Master_Node_FSM(
/* Re-enter the current state. */
} else {
/* DeclareSoleMaster */
/* to indicate that this station is the only master */
/* to indicate that this station is the only master
*/
MSTP_Flag.SoleMaster = true;
FrameCount = 0;
Master_State = MSTP_MASTER_STATE_USE_TOKEN;
@@ -948,7 +967,7 @@ static bool MSTP_Master_Node_FSM(
/* Note: optimized such that we are never a client */
MSTP_Send_Frame(FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY,
TransmitPacketDest, This_Station,
(uint8_t *) & TransmitPacket[0], TransmitPacketLen);
(uint8_t *)&TransmitPacket[0], TransmitPacketLen);
MSTP_Flag.TransmitPacketPending = false;
Master_State = MSTP_MASTER_STATE_IDLE;
} else {
@@ -977,12 +996,11 @@ static bool MSTP_Master_Node_FSM(
}
/* returns number of bytes sent on success, zero on failure */
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 */
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 */
unsigned pdu_len)
{ /* number of bytes of data */
{ /* number of bytes of data */
int bytes_sent = 0;
if (MSTP_Flag.TransmitPacketPending == false) {
@@ -1003,13 +1021,12 @@ int dlmstp_send_pdu(
}
/* Return the length of the packet */
uint16_t dlmstp_receive(
BACNET_ADDRESS * src, /* source address */
uint8_t * pdu, /* PDU data */
uint16_t max_pdu, /* amount of space available in the PDU */
uint16_t dlmstp_receive(BACNET_ADDRESS *src, /* source address */
uint8_t *pdu, /* PDU data */
uint16_t max_pdu, /* amount of space available in the PDU */
unsigned timeout)
{ /* milliseconds to wait for a packet */
uint16_t pdu_len = 0; /* return value */
{ /* milliseconds to wait for a packet */
uint16_t pdu_len = 0; /* return value */
/* dummy - unused parameter */
timeout = timeout;
@@ -1051,8 +1068,7 @@ uint16_t dlmstp_receive(
return pdu_len;
}
void dlmstp_set_mac_address(
uint8_t mac_address)
void dlmstp_set_mac_address(uint8_t mac_address)
{
/* Master Nodes can only have address 0-127 */
if (mac_address <= 127) {
@@ -1069,8 +1085,7 @@ void dlmstp_set_mac_address(
return;
}
uint8_t dlmstp_mac_address(
void)
uint8_t dlmstp_mac_address(void)
{
return This_Station;
}
@@ -1082,8 +1097,7 @@ uint8_t dlmstp_mac_address(
/* 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) {
Nmax_info_frames = max_info_frames;
@@ -1097,8 +1111,7 @@ void dlmstp_set_max_info_frames(
return;
}
uint8_t dlmstp_max_info_frames(
void)
uint8_t dlmstp_max_info_frames(void)
{
return Nmax_info_frames;
}
@@ -1108,8 +1121,7 @@ uint8_t dlmstp_max_info_frames(
/* 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 (This_Station <= max_master) {
@@ -1125,20 +1137,18 @@ void dlmstp_set_max_master(
return;
}
uint8_t dlmstp_max_master(
void)
uint8_t dlmstp_max_master(void)
{
return 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] = This_Station;
my_address->net = 0; /* local only, no routing */
my_address->net = 0; /* local only, no routing */
my_address->len = 0;
for (i = 0; i < MAX_MAC_LEN; i++) {
my_address->adr[i] = 0;
@@ -1147,16 +1157,15 @@ void dlmstp_get_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;
}