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iotsa433Receive.cpp
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iotsa433Receive.cpp
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#include "iotsa.h"
#include "iotsa433Receive.h"
#include "iotsa433Telegram.h"
#include <RCSwitch.h>
#include "decode433.h"
#undef _debug_print_raw_codes
RCSwitch switch433; // Note: shared variable with Iotsa433Send
int switch433_pin_receive = 4;
//
// We maintain a static circular buffer of received telegrams
// (expected to be more efficient than C++ data structures)
//
#define RB_SIZE 16
#define RB_INC(x) (((x)+1) % RB_SIZE)
static Iotsa433Telegram received_buffer[RB_SIZE];
static int received_in = 0;
static int received_out = 0;
static int received_forward = 0;
void Iotsa433ReceiveMod::setStatusCallbacks(Iotsa433ReceiveCallback _ok, Iotsa433ReceiveCallback _notok) {
statusOkCallback = _ok;
statusNotOkCallback = _notok;
}
bool Iotsa433ReceiveMod::_addForwarder(Iotsa433ReceiveForwarder& newForwarder) {
forwarders.push_back(newForwarder);
return true;
}
bool Iotsa433ReceiveMod::_delForwarder(int index) {
forwarders.erase(forwarders.begin()+index);
return true;
}
bool Iotsa433ReceiveMod::_swapForwarder(int oldIndex, int newIndex) {
Iotsa433ReceiveForwarder tmp = forwarders[oldIndex];
forwarders[oldIndex] = forwarders[newIndex];
forwarders[newIndex] = tmp;
return true;
}
#ifdef IOTSA_WITH_WEB
void
Iotsa433ReceiveMod::handler() {
bool anyChanged = false;
if( server->hasArg("command")) {
if (needsAuthentication()) return;
String command = server->arg("command");
if (command == "Add") {
Iotsa433ReceiveForwarder newfw;
newfw.formHandler_args(server, "", true);
anyChanged = _addForwarder(newfw);
} else
if (command == "Delete") {
int index = server->arg("index").toInt();
anyChanged = _delForwarder(index);
} else
if (command == "Up") {
int index = server->arg("index").toInt();
anyChanged = _swapForwarder(index, index-1);
} else
if (command == "Down") {
int index = server->arg("index").toInt();
anyChanged = _swapForwarder(index, index+1);
}
}
if (anyChanged) configSave();
String message = "<html><head><title>433 MHz receiver module</title><style>table, th, td {border: 1px solid black;padding:5px;border-collapse: collapse;}</style></head><body><h1>433MHz receiver module</h1>";
// Configuration
message += "<h2>Configuration</h2><h3>Defined forwarders</h3>";
message += "<table><tr><th>index</th>";
Iotsa433ReceiveForwarder::formHandler_TH(message, true);
message += "<th>OP</th></tr>";
int i = 0;
int last_i = forwarders.size()-1;
for(auto it: forwarders) {
// First field: index
message += "<tr><td>" + String(i) + "</td>";
// Subsequent fields: from forwarder433
it.formHandler_TD(message, true);
// Last field: operations
message += "<td>";
message += "<form><input type='hidden' name='index' value='" + String(i) + "'><input type='submit' name='command' value='Delete'>";
if (i != 0) message += "<br><input type='submit' name='command' value='Up'>";
if (i != last_i) message += "<br><input type='submit' name='command' value='Down'>";;
message += "</form>";
message += "</td></tr>";
i++;
}
message += "</table>";
message += "<h3>Add Forwarder</h3></table>";
message += "<form>";
Iotsa433ReceiveForwarder::formHandler_emptyfields(message);
message += "<br><input type='submit' name='command' value='Add'></form>";
// Operation
message += "<h2>Recently received codes</h2>";
message += "<table><tr>";
Iotsa433Telegram::formHandler_TH(message, false);
for(int i = received_out; i != received_in; i = RB_INC(i)) {
message += "<tr>";
received_buffer[i].formHandler_TD(message, false);
message += "</tr>";
}
message += "</table>";
message += "<br><form method='get'><input type='submit' value='refresh'></form>";
server->send(200, "text/html", message);
}
String Iotsa433ReceiveMod::info() {
String message = "<p>Built with 433MHz receiver module. See <a href=\"/433receive\">/433receive</a> to change the remote controls.</p>";
return message;
}
#endif // IOTSA_WITH_WEB
void Iotsa433ReceiveMod::setup() {
configLoad();
switch433.enableReceive(switch433_pin_receive);
switch433.setReceiveTolerance(30);
}
#ifdef IOTSA_WITH_API
bool Iotsa433ReceiveMod::getHandler(const char *path, JsonObject& reply) {
JsonArray rvConfig = reply.createNestedArray("forwarders");
for (auto it: forwarders) {
JsonObject fRv = rvConfig.createNestedObject();
it.getHandler(fRv);
}
JsonArray rvReceived = reply.createNestedArray("received");
for(int i = received_out; i != received_in; i = RB_INC(i)) {
JsonObject fRv = rvReceived.createNestedObject();
received_buffer[i].getHandler(fRv);
}
return true;
}
bool Iotsa433ReceiveMod::putHandler(const char *path, const JsonVariant& request, JsonObject& reply) {
bool anyChanged = false;
#if 0
JsonObject reqObj = request.as<JsonObject>();
if (anyChanged) configSave();
#else
IotsaSerial.println("PUT not yet implemented");
#endif
return anyChanged;
}
bool Iotsa433ReceiveMod::postHandler(const char *path, const JsonVariant& request, JsonObject& reply) {
bool anyChanged = false;
JsonObject reqObj = request.as<JsonObject>();
Iotsa433ReceiveForwarder newForwarder;
if (newForwarder.putHandler(reqObj)) {
if (_addForwarder(newForwarder)) {
anyChanged = true;
configSave();
}
}
return anyChanged;
}
#endif // IOTSA_WITH_API
void Iotsa433ReceiveMod::serverSetup() {
#ifdef IOTSA_WITH_WEB
server->on("/433receive", std::bind(&Iotsa433ReceiveMod::handler, this));
#endif
#ifdef IOTSA_WITH_API
api.setup("/api/433receive", true, true, true);
name = "433receive";
#endif
}
void Iotsa433ReceiveMod::configLoad() {
IotsaConfigFileLoad cf("/config/433receive.cfg");
forwarders.clear();
for(int idx=0; ; idx++) {
String f_name = String(idx);
Iotsa433ReceiveForwarder newForwarder;
if (!newForwarder.configLoad(cf, f_name)) break;
_addForwarder(newForwarder);
}
}
void Iotsa433ReceiveMod::configSave() {
IotsaConfigFileSave cf("/config/433receive.cfg");
int idx = 0;
for(auto it: forwarders) {
String f_name = String(idx++);
it.configSave(cf, f_name);
}
IotsaSerial.printf("xxxjack configSave: %d items\n", idx);
}
void Iotsa433ReceiveMod::loop() {
if (switch433.available()) {
uint32_t telegram_binary = switch433.getReceivedValue();
int telegram_bits = switch433.getReceivedBitlength();
int telegram_protocol = switch433.getReceivedProtocol();
int telegram_pulsewidth = switch433.getReceivedDelay();
IFDEBUG IotsaSerial.printf("433recv: ts=%lu msg=0x%x\n", millis(), telegram_binary);
#ifdef _debug_print_raw_codes
{
unsigned int *raw = switch433.getReceivedRawdata();
IotsaSerial.printf("433recv raw %d telegram_bits: ", telegram_bits);
for(int i=0; i<2*telegram_bits; i++) {
IotsaSerial.print(raw[i]);
IotsaSerial.print(" ");
}
IotsaSerial.println();
}
#endif
_received(telegram_binary, telegram_protocol, telegram_bits, telegram_pulsewidth);
switch433.resetAvailable();
}
if (received_forward != received_in && !forwarders.empty()) {
_forward_one();
}
}
void Iotsa433ReceiveMod::_received(uint32_t telegram_binary, int telegram_protocol, int telegram_bits, int telegram_pulsewidth) {
received_buffer[received_in].telegram_binary = telegram_binary;
received_buffer[received_in].telegram_protocol = telegram_protocol;
received_buffer[received_in].telegram_bits = telegram_bits;
received_buffer[received_in].telegram_pulsewidth = telegram_pulsewidth;
received_buffer[received_in].millis = millis();
received_in = RB_INC(received_in);
if (received_in == received_out) received_out = RB_INC(received_out);
// Presume we won't overrun received_forward...
}
void Iotsa433ReceiveMod::_forward_one() {
String brand = "unknown";
String group;
String appliance;
String state;
String telegram_tristate;
int cur_forward = received_forward;
bool ok = received_buffer[received_forward]._parse(telegram_tristate, brand, group, appliance, state);
received_forward = RB_INC(received_forward);
received_buffer[received_forward].status = Iotsa433Telegram::TelegramStatus::queued;
if (!ok) {
received_buffer[cur_forward].status = Iotsa433Telegram::TelegramStatus::ignored;
return;
}
for (auto it: forwarders) {
if (it.matches(telegram_tristate, brand, group, appliance, state)) {
received_buffer[cur_forward].status = Iotsa433Telegram::TelegramStatus::sending;
ok = it.send(telegram_tristate, brand, group, appliance, state);
if (ok) {
received_buffer[cur_forward].status = Iotsa433Telegram::TelegramStatus::sent_ok;
if (statusOkCallback != nullptr) statusOkCallback();
} else {
received_buffer[cur_forward].status = Iotsa433Telegram::TelegramStatus::sent_fail;
IFDEBUG IotsaSerial.println("forward failed");
if (statusNotOkCallback != nullptr) statusNotOkCallback();
}
return;
}
}
received_buffer[cur_forward].status = Iotsa433Telegram::TelegramStatus::ignored;
}