1 files changed, 171 insertions, 0 deletions

diff --git a/martin/door/src/main.cpp b/martin/door/src/main.cpp
new file mode 100644
index 0000000..4491785
--- /dev/null
+++ b/martin/door/src/main.cpp
@@ -0,0 +1,171 @@
+#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);
+}