Add get_hardware_id

src/dev/device.h

@@ -41,8 +41,11 @@ class BaseDevice {
     {
         return "";
     }
-    const char* get_model();
-
+    virtual const char* get_model();
+    virtual const char* get_hardware_id()
+    {
+        return "";
+    }
     virtual void init()
     {}
     virtual void show_info()

src/dev/esp32/esp32.cpp

@@ -5,6 +5,7 @@
 
 #include "Arduino.h"
 #include <Esp.h>
+#include <WiFi.h>
 #include "esp_system.h"
 
 #include "hasp_conf.h"
@@ -21,6 +22,24 @@
 
 namespace dev {
 
+Esp32Device::Esp32Device()
+{
+    _hostname         = MQTT_NODENAME;
+    _backlight_invert = (TFT_BACKLIGHT_ON == LOW);
+    _backlight_power  = 1;
+    _backlight_level  = 255;
+    _backlight_pin    = TFT_BCKL;
+
+    /* fill unique identifier with wifi mac */
+    byte mac[6];
+    WiFi.macAddress(mac);
+    _hardware_id.reserve(13);
+    for(int i = 0; i < 6; ++i) {
+        if(mac[i] < 0x10) _hardware_id += "0";
+        _hardware_id += String(mac[i], HEX).c_str();
+    }
+}
+
 void Esp32Device::reboot()
 {
     ESP.restart();
@@ -76,6 +95,11 @@ const char* Esp32Device::get_chip_model()
     // model += chip_info.revision;
 }
 
+const char* Esp32Device::get_hardware_id()
+{
+    return _hardware_id.c_str();
+}
+
 void Esp32Device::set_backlight_pin(uint8_t pin)
 {
     _backlight_pin = pin;

src/dev/esp32/esp32.h

@@ -14,14 +14,8 @@ namespace dev {
 class Esp32Device : public BaseDevice {
 
   public:
-    Esp32Device()
-    {
-        _hostname         = MQTT_NODENAME;
-        _backlight_invert = (TFT_BACKLIGHT_ON == LOW);
-        _backlight_power  = 1;
-        _backlight_level  = 255;
-        _backlight_pin    = TFT_BCKL;
-    }
+    Esp32Device();
+
     void reboot() override;
     void show_info() override;
 
@@ -29,6 +23,7 @@ class Esp32Device : public BaseDevice {
     void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
+    const char* get_hardware_id();
 
     void set_backlight_pin(uint8_t pin) override;
     void set_backlight_level(uint8_t val) override;
@@ -45,6 +40,7 @@ class Esp32Device : public BaseDevice {
 
   private:
     std::string _hostname;
+    std::string _hardware_id;
 
     uint8_t _backlight_pin;
     uint8_t _backlight_level;

src/dev/esp8266/esp8266.cpp

@@ -5,6 +5,7 @@
 
 #include "Arduino.h"
 #include <Esp.h>
+#include <ESP8266WiFi.h>
 
 #include "esp8266.h"
 
@@ -15,6 +16,25 @@
 
 namespace dev {
 
+Esp8266Device::Esp8266Device()
+{
+    _hostname         = MQTT_NODENAME;
+    _backlight_invert = (TFT_BACKLIGHT_ON == LOW);
+    _backlight_power  = 1;
+    _backlight_level  = 255;
+    _core_version     = ESP.getCoreVersion().c_str();
+    _backlight_pin    = TFT_BCKL;
+
+    /* fill unique identifier with wifi mac */
+    byte mac[6];
+    WiFi.macAddress(mac);
+    _hardware_id.reserve(13);
+    for(int i = 0; i < 6; ++i) {
+        if(mac[i] < 0x10) _hardware_id += "0";
+        _hardware_id += String(mac[i], HEX).c_str();
+    }
+}
+
 void Esp8266Device::reboot()
 {
     ESP.restart();
@@ -46,6 +66,11 @@ const char* Esp8266Device::get_chip_model()
     return "ESP8266";
 }
 
+const char* Esp8266Device::get_hardware_id()
+{
+    return _hardware_id.c_str();
+}
+
 void Esp8266Device::set_backlight_pin(uint8_t pin)
 {
     _backlight_pin = pin;

src/dev/esp8266/esp8266.h

@@ -14,15 +14,7 @@ namespace dev {
 class Esp8266Device : public BaseDevice {
 
   public:
-    Esp8266Device()
-    {
-        _hostname         = MQTT_NODENAME;
-        _backlight_invert = (TFT_BACKLIGHT_ON == LOW);
-        _backlight_power  = 1;
-        _backlight_level  = 255;
-        _core_version     = ESP.getCoreVersion().c_str();
-        _backlight_pin    = TFT_BCKL;
-    }
+    Esp8266Device();
 
     void reboot() override;
     void show_info() override;
@@ -31,6 +23,7 @@ class Esp8266Device : public BaseDevice {
     void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
+    const char* get_hardware_id();
 
     void set_backlight_pin(uint8_t pin) override;
     void set_backlight_level(uint8_t val) override;
@@ -47,6 +40,7 @@ class Esp8266Device : public BaseDevice {
 
   private:
     std::string _hostname;
+    std::string _hardware_id;
     std::string _core_version;
 
     uint8_t _backlight_pin;

src/dev/posix/hasp_posix.cpp

@@ -66,21 +66,29 @@ const char* PosixDevice::get_hostname()
 {
     return _hostname.c_str();
 }
+
 void PosixDevice::set_hostname(const char* hostname)
 {
     _hostname = hostname;
     monitor_title(hostname);
     // SDL_SetWindowTitle(monitor.window, hostname);
 }
+
 const char* PosixDevice::get_core_version()
 {
     return _core_version.c_str();
 }
+
 const char* PosixDevice::get_chip_model()
 {
     return _chip_model.c_str();
 }
 
+const char* PosixDevice::get_hardware_id()
+{
+    return "223344556677";
+}
+
 void PosixDevice::set_backlight_pin(uint8_t pin)
 {
     // PosixDevice::backlight_pin = pin;

src/dev/posix/hasp_posix.h

@@ -38,6 +38,7 @@ class PosixDevice : public BaseDevice {
     void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
+    const char* get_hardware_id();
 
     void set_backlight_pin(uint8_t pin);
     void set_backlight_level(uint8_t val);

src/dev/stm32f4/stm32f4.cpp

@@ -30,6 +30,7 @@ const char* Stm32f4Device::get_hostname()
 {
     return _hostname.c_str();
 }
+
 void Stm32f4Device::set_hostname(const char* hostname)
 {
     _hostname = hostname;
@@ -40,6 +41,14 @@ const char* Stm32f4Device::get_core_version()
     // return ESP.getCoreVersion().c_str();
 }
 
+const char* Stm32f4Device::get_hardware_id()
+{
+    // https://stm32duinoforum.com/forum/viewtopic_f_29_t_2909_start_10.html
+    //   Serial.println("UID [HEX]  : "+String(*(uint32_t*)(UID_BASE), HEX)+" "+String(*(uint32_t*)(UID_BASE+0x04),
+    //   HEX)+" "+String(*(uint32_t*)(UID_BASE+0x08), HEX));
+    return _hardware_id.c_str();
+}
+
 void Stm32f4Device::set_backlight_pin(uint8_t pin)
 {
     _backlight_pin = pin;

src/dev/stm32f4/stm32f4.h

@@ -30,6 +30,7 @@ class Stm32f4Device : public BaseDevice {
     void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
+    const char* get_chip_hardware_id();
 
     void set_backlight_pin(uint8_t pin) override;
     void set_backlight_level(uint8_t val) override;
@@ -46,6 +47,7 @@ class Stm32f4Device : public BaseDevice {
 
   private:
     std::string _hostname;
+    std::string _hardware_id;
 
     uint8_t _backlight_pin;
     uint8_t _backlight_level;

src/dev/win32/hasp_win32.cpp

@@ -55,11 +55,17 @@ const char* Win32Device::get_core_version()
 {
     return _core_version.c_str();
 }
+
 const char* Win32Device::get_chip_model()
 {
     return "SDL2";
 }
 
+const char* Win32Device::get_hardware_id()
+{
+    return "112233445566";
+}
+
 void Win32Device::set_backlight_pin(uint8_t pin)
 {
     // Win32Device::_backlight_pin = pin;

src/dev/win32/hasp_win32.h

@@ -59,6 +59,7 @@ class Win32Device : public BaseDevice {
     void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
+    const char* get_hardware_id();
 
     void set_backlight_pin(uint8_t pin);
     void set_backlight_level(uint8_t val);