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#include <Arduino.h>
#include <WiFiManager.h>
#include <ESP8266mDNS.h>
#include <ESP8266WebServer.h>
#include "cc1101.h"
#include "hcs200.h"
void http_door_open();
void serial_door_open();
ESP8266WebServer http_service(80);
CC1101 radio(D0 /* GDO0 */, D2 /* GDO2 */, D8 /* SS */);
#define PIN_HCS200_ENABLE D3
#define PIN_HCS200_DATA D1
//#define HCS200_TEST
HCS200 hcs200;
void setup()
{
Serial.begin(9600);
pinMode(PIN_HCS200_ENABLE, OUTPUT);
digitalWrite(PIN_HCS200_ENABLE, LOW);
pinMode(PIN_HCS200_DATA, INPUT);
if (!radio.setup())
Serial.println("Radio not found!");
else if (!radio.setISM(CC1101::FREQ_434MHZ))
Serial.println("Unable to set radio frequency");
else
{
Serial.println("Radio found");
(void)radio.idle();
}
WiFiManager wifiManager;
wifiManager.setConfigPortalTimeout(600);
Serial.printf_P(PSTR("Setting up WiFi\n"));
WiFi.hostname("door");
if (!wifiManager.autoConnect("a-door-able"))
{
Serial.printf_P(PSTR("Failed to connect and hit timeout\n"));
delay(5000);
ESP.restart();
}
if (!MDNS.begin("door"))
Serial.println("Error setting up MDNS responder!");
MDNS.addService("http", "tcp", 80);
http_service.on("/", HTTP_GET, []() {
http_service.send_P(200, PSTR("text/plain"), PSTR("I'm a-door-able"));
});
http_service.on("/door/open", HTTP_PUT, http_door_open);
http_service.begin();
Serial.println("Started listening");
}
void ICACHE_RAM_ATTR on_hcs200_isr()
{
hcs200.on_isr(digitalRead(PIN_HCS200_DATA));
}
bool hcs200_get_keycode(HCS200_Keycode &keycode)
{
#if !defined(HCS200_TEST)
hcs200.reset();
attachInterrupt(digitalPinToInterrupt(PIN_HCS200_DATA), on_hcs200_isr, CHANGE);
digitalWrite(PIN_HCS200_ENABLE, HIGH);
uint8_t maxloop = 255;
while(--maxloop)
{
if (hcs200.decode(keycode))
break;
delay(1);
}
digitalWrite(PIN_HCS200_ENABLE, LOW);
detachInterrupt(digitalPinToInterrupt(PIN_HCS200_DATA));
return (maxloop != 0);
#else
keycode.encrypted = 0xDEAD;
keycode.serial = 0xC0DE;
keycode.buttons = HCS200_Keycode::BM_S0;
keycode.lowbat = false;
return true;
#endif
}
void http_door_open()
{
if (!radio.register_check())
{
http_service.send_P(500, PSTR("text/plain"), PSTR("Radio error"));
return;
}
HCS200_Keycode keycode;
if (!hcs200_get_keycode(keycode))
{
http_service.send_P(500, PSTR("text/plain"), PSTR("No data from HCS200"));
return;
}
Serial.print("Got keycode: ");
keycode.print(Serial);
if (!radio.transmit())
{
http_service.send_P(500, PSTR("text/plain"), PSTR("Unable to enable radio transmit mode"));
return;
}
long count = constrain(http_service.arg("count").toInt(), 2, 10);
for (unsigned short i = 0; i < count; i++)
keycode.send([&](int value) { radio.setGDO0(value); });
(void)radio.idle();
Serial.println("Sending done");
http_service.send_P(200, PSTR("text/plain"), PSTR("OK"));
}
void serial_door_open(Print &stream)
{
if (!radio.register_check())
{
stream.println("Radio error");
return;
}
HCS200_Keycode keycode;
bool key_valid = hcs200_get_keycode(keycode);
if (!key_valid)
stream.println("No data from HCS200");
stream.print("HCS200 decoder state: ");
hcs200.print_state(stream);
if (!key_valid)
return;
stream.print("Got keycode: ");
keycode.print(stream);
if (!radio.transmit())
{
stream.println("Unable to enable radio transmit mode");
return;
}
/* send twice */
keycode.send([&](int value) { radio.setGDO0(value); });
keycode.send([&](int value) { radio.setGDO0(value); });
(void)radio.idle();
stream.println("Sending done");
}
void loop()
{
MDNS.update();
http_service.handleClient();
if (Serial.available() > 0)
{
(void)Serial.read();
serial_door_open(Serial);
}
delay(1);
}
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