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ohs_th_rs485.h
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ohs_th_rs485.h
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/*
* ohs_th_rs485.h
*
* Created on: 22. 2. 2020
* Author: adam
*/
#ifndef OHS_TH_RS485_H_
#define OHS_TH_RS485_H_
#ifndef RS485_DEBUG
#define RS485_DEBUG 0
#endif
#if RS485_DEBUG
#define DBG_RS485(...) {chprintf(console, __VA_ARGS__);}
#else
#define DBG_RS485(...)
#endif
/*
* RS485 thread
*/
static THD_WORKING_AREA(waRS485Thread, 320);
static THD_FUNCTION(RS485Thread, arg) {
chRegSetThreadName(arg);
event_listener_t serialListener;
eventmask_t evt;
msg_t resp;
RS485Msg_t rs485Msg;
uint8_t nodeIndex, index;
time_t timeNow;
// Register
chEvtRegister((event_source_t *)&RS485D2.event, &serialListener, EVENT_MASK(0));
while (true) {
evt = chEvtWaitAny(ALL_EVENTS);
(void)evt;
eventflags_t flags = chEvtGetAndClearFlags(&serialListener);
DBG_RS485("%u: ", chVTGetSystemTime());
DBG_RS485("RS485 flag: %u, state: %u, length: %u\r\n", flags, RS485D2.trcState, RS485D2.ibHead);
//resp = chBSemWait(&RS485D2.received);
if ((flags & RS485_MSG_RECEIVED) ||
(flags & RS485_MSG_RECEIVED_WA)){
resp = rs485GetMsg(&RS485D2, &rs485Msg);
DBG_RS485("RS485: %d, ", resp);
DBG_RS485("from: %u, ", rs485Msg.address);
if (rs485Msg.ctrl) {
DBG_RS485("command: %u.", rs485Msg.length);
} else {
DBG_RS485("data (len: %u): ", rs485Msg.length);
for(uint8_t i = 0; i < rs485Msg.length; i++) {DBG_RS485("%x, ", rs485Msg.data[i]);}
}
DBG_RS485("\r\n");
//DBG_RS485("ib %d %d %d , ob %d %d %d\r\n", RS485D2.ib[0], RS485D2.ib[1],
// RS485D2.ib[2], RS485D2.ob[0], RS485D2.ob[1], RS485D2.ob[2]);
if (resp == MSG_OK) {
if (rs485Msg.ctrl == RS485_FLAG_CMD) {
switch(rs485Msg.length) {
case NODE_CMD_PING: // Nodes should do periodic ping to stay alive/registered
timeNow = getTimeUnixSec();
index = 0; // Just any temp variable
// Search in nodes
for (nodeIndex = 0; nodeIndex < NODE_SIZE; nodeIndex++) {
if (node[nodeIndex].address == rs485Msg.address) {
node[nodeIndex].lastOK = timeNow;
index++;
}
}
// Search in remote zones
for (nodeIndex = HW_ZONES; nodeIndex < ALARM_ZONES; nodeIndex++) {
if (conf.zoneAddress[nodeIndex - HW_ZONES] == rs485Msg.address) {
index++;
}
}
// If not found, call this node/zone to register.
if (index == 0) {
resp = sendCmd(rs485Msg.address, NODE_CMD_REGISTRATION); // call this address to register
DBG_RS485("Unregistered node ping, resp: %d\r\n", resp);
} else {
DBG_RS485("Node %d ping\r\n", rs485Msg.address);
}
break;
}
}
if (rs485Msg.ctrl == RS485_FLAG_DTA) {
switch(rs485Msg.data[0]) {
case 'R': // Registration
index = 1; // Skip 'R'
do {
registrationEvent_t *outMsg = chPoolAlloc(®istration_pool);
if (outMsg != NULL) {
// node setting
outMsg->address = rs485Msg.address;
outMsg->type = (char)rs485Msg.data[index];
outMsg->function = (char)rs485Msg.data[index+1];
outMsg->number = rs485Msg.data[index+2];
outMsg->setting = (rs485Msg.data[index+3] << 8) | (rs485Msg.data[index+4]);
memcpy(&outMsg->name[0], &rs485Msg.data[index+5], NAME_LENGTH); // Copy string
msg_t msg = chMBPostTimeout(®istration_mb, (msg_t)outMsg, TIME_IMMEDIATE);
if (msg != MSG_OK) {
//chprintf(console, "R-MB full %d\r\n", temp);
}
} else {
pushToLogText("FR"); // Registration queue is full
}
index += REG_PACKET_SIZE;
} while (index < rs485Msg.length);
break;
case 'K': // iButtons keys
nodeIndex = getNodeIndex(rs485Msg.address, rs485Msg.data[0],
rs485Msg.data[1], rs485Msg.data[2] - (rs485Msg.data[2] % 2));
DBG_RS485("Received Key, node index: %d\r\n", nodeIndex);
// Node index found
if (nodeIndex != DUMMY_NO_VALUE) {
node[nodeIndex].lastOK = getTimeUnixSec(); // Update timestamp
// Node is enabled
if (GET_NODE_ENABLED(node[nodeIndex].setting)) {
node[nodeIndex].value = (float)checkKey(GET_NODE_GROUP(node[nodeIndex].setting),
(rs485Msg.data[2] % 2), &rs485Msg.data[3], rs485Msg.length - 4);
// MQTT
if (GET_NODE_MQTT(node[nodeIndex].setting)) {
pushToMqtt(typeSensor, nodeIndex, functionValue);
}
} else {
// log disabled remote nodes
tmpLog[0] = 'N'; tmpLog[1] = 'F'; tmpLog[2] = rs485Msg.address;
tmpLog[3] = rs485Msg.data[0]; tmpLog[4] = rs485Msg.data[1];
tmpLog[5] = rs485Msg.data[2]; pushToLog(tmpLog, 6);
}
} else { // node not found
chThdSleepMilliseconds(5); // This is needed for sleeping battery nodes, or they wont see reg. command.
resp = sendCmd(rs485Msg.address, NODE_CMD_REGISTRATION); // call this address to register
}
break;
case 'S': // Sensor data
index = 1; // skip 'S'
do {
sensorEvent_t *outMsg = chPoolAlloc(&sensor_pool);
if (outMsg != NULL) {
// node setting
outMsg->address = rs485Msg.address;
outMsg->function = (char)rs485Msg.data[index];
outMsg->number = rs485Msg.data[index+1];
floatConv.byte[0] = rs485Msg.data[index+2]; floatConv.byte[1] = rs485Msg.data[index+3];
floatConv.byte[2] = rs485Msg.data[index+4]; floatConv.byte[3] = rs485Msg.data[index+5];
outMsg->value = floatConv.val;
msg_t msg = chMBPostTimeout(&sensor_mb, (msg_t)outMsg, TIME_IMMEDIATE);
if (msg != MSG_OK) {
//chprintf(console, "S-MB full %d\r\n", temp);
}
} else {
pushToLogText("FS"); // Sensor queue is full
}
index += SENSOR_PACKET_SIZE;
} while (index < rs485Msg.length);
break;
case 'Z': // Zone
index = 1; // Skip 'Z'
DBG_RS485("Zone");
do {
nodeIndex = rs485Msg.data[index] - 1; // Used here as temporary zone number
DBG_RS485(": %d", nodeIndex);
// Zone allowed
if ((nodeIndex >= HW_ZONES) && (nodeIndex < ALARM_ZONES)) {
// Zone enabled
if (GET_CONF_ZONE_ENABLED(conf.zone[nodeIndex])) {
// Zone address and sender address match = zone is remote zone
if (conf.zoneAddress[nodeIndex-HW_ZONES] == (rs485Msg.address)){
DBG_RS485(" = %c", rs485Msg.data[index+1]);
// Check for valid lastEvent
if ((rs485Msg.data[index+1] == 'O') || (rs485Msg.data[index+1] == 'P') ||
(rs485Msg.data[index+1] == 'T')) {
zone[nodeIndex].lastEvent = rs485Msg.data[index+1];
if (rs485Msg.data[index+1] == 'O') {
zone[nodeIndex].lastOK = getTimeUnixSec(); // update current timestamp
} else {
zone[nodeIndex].lastPIR = getTimeUnixSec(); // update current timestamp
}
}
} else {
// Log error just once
if (!GET_ZONE_ERROR(zone[nodeIndex].setting)) {
tmpLog[0] = 'Z'; tmpLog[1] = 'e'; tmpLog[2] = nodeIndex; tmpLog[3] = 'M'; pushToLog(tmpLog, 4);
SET_ZONE_ERROR(zone[nodeIndex].setting); // Set error flag
}
}
} else {
// Log error just once
if (!GET_ZONE_ERROR(zone[nodeIndex].setting)) {
tmpLog[0] = 'Z'; tmpLog[1] = 'e'; tmpLog[2] = nodeIndex; tmpLog[3] = 'N'; pushToLog(tmpLog, 4);
SET_ZONE_ERROR(zone[nodeIndex].setting); // Set error flag
}
} // else / Zone enabled
} // Zone allowed
index += ZONE_PACKET_SIZE;
} while (index < rs485Msg.length);
DBG_RS485("\r\n");
break;
} // switch case
} // data
} // MSG_OK
} // (flags & RS485_MSG_RECEIVED)
}
}
#endif /* OHS_TH_RS485_H_ */