feat: function to get VIN Number added

Canbus_app/libraries/pid_library.c

@@ -368,6 +368,60 @@ bool request_dtc(OBDII* obdii, uint8_t* count, char* codes[]) {
     return true;
 }
 
+// Separate frames in arrays
+void separate_VIN_data(CANFRAME frame, uint8_t* vin, uint8_t count) {
+    count = count * 7;
+
+    for(uint8_t i = 0; i < 7; i++) {
+        vin[i + count] = frame.buffer[i + 1];
+    }
+}
+
+// Get the CAR VIN
+bool get_VIN(OBDII* obdii, FuriString* vin_number) {
+    CANFRAME canframes[5];
+
+    memset(canframes, 0, sizeof(canframes));
+
+    if(!pid_manual_request(obdii, 0x7df, REQUEST_VEHICLE_INFORMATION, 0x2, canframes, 5, 2))
+        return false;
+
+    if(canframes[0].buffer[2] != 0x49) return false;
+
+    uint32_t extension = canframes[0].buffer[1];
+
+    log_info("extension: %lu", extension);
+
+    uint8_t vin[40];
+
+    memset(vin, 0, sizeof(vin));
+
+    for(uint8_t i = 0; i < 5; i++) {
+        separate_VIN_data(canframes[i], vin, i);
+    }
+
+    char letters_vin[extension];
+
+    for(uint8_t i = 0; i < extension; i++) {
+        if(vin[i + 1] < 32) {
+            letters_vin[i] = ' ';
+        } else {
+            letters_vin[i] = vin[i + 1];
+        }
+        log_info("letter: %c  number: %x", letters_vin[i], vin[i + 1]);
+    }
+
+    furi_string_reset(vin_number);
+
+    for(uint8_t i = 0; i < extension; i++) {
+        furi_string_cat_printf(vin_number, "%c", letters_vin[i]);
+    }
+
+    log_info("%s", furi_string_get_cstr(vin_number));
+
+    return true;
+}
+
 // It works to free
 void pid_deinit(OBDII* obdii) {
     free_mcp2515(obdii->CAN);

Canbus_app/libraries/pid_library.h

@@ -1,7 +1,6 @@
 #ifndef PID_LIBRARY
 #define PID_LIBRARY
 
-#include "string.h"
 #include "mcp_can_2515.h"
 
 #define ECU_TYPICAL_ID_STANDAR 0x7E8
@@ -126,6 +125,9 @@ bool request_dtc(OBDII* obdii, uint8_t* count, char* codes[]);
 // Clear DTC
 bool clear_dtc(OBDII* obdii);
 
+// Get VIN 
+bool get_VIN(OBDII* obdii, FuriString* String);
+
 // Function to calculate the engine speed
 uint16_t calculate_engine_speed(uint8_t value_a, uint8_t value_b);
 

Canbus_app/scenes/Obd2MenuOption.c

@@ -22,6 +22,9 @@ static uint8_t count_of_bytes = 2;
 // This variable works to know if it wishes to delete the DTC storage
 static bool delete_dtc = false;
 
+// These variable are used for the VIN and ECU Name request
+static request_data = 0;
+
 // odbii menu casllback
 void obdii_menu_callback(void* context, uint32_t index) {
     App* app = context;
@@ -38,14 +41,18 @@ void obdii_menu_callback(void* context, uint32_t index) {
         break;
 
     case 2:
-        scene_manager_next_scene(app->scene_manager, app_scene_obdii_get_errors_option);
+        scene_manager_next_scene(app->scene_manager, app_scene_car_data_option);
         break;
 
     case 3:
-        scene_manager_next_scene(app->scene_manager, app_scene_obdii_delete_errors_option);
+        scene_manager_next_scene(app->scene_manager, app_scene_obdii_get_errors_option);
         break;
 
     case 4:
+        scene_manager_next_scene(app->scene_manager, app_scene_obdii_delete_errors_option);
+        break;
+
+    case 5:
         scene_manager_next_scene(app->scene_manager, app_scene_manual_sender_pid_option);
         break;
 
@@ -64,9 +71,10 @@ void app_scene_obdii_menu_on_enter(void* context) {
     // Examples
     submenu_add_item(app->submenu, "Get Supported PID Codes", 0, obdii_menu_callback, app);
     submenu_add_item(app->submenu, "Show Typical Data", 1, obdii_menu_callback, app);
-    submenu_add_item(app->submenu, "Show DTC", 2, obdii_menu_callback, app);
-    submenu_add_item(app->submenu, "Delete DTC", 3, obdii_menu_callback, app);
-    submenu_add_item(app->submenu, "Manual Sender PID", 4, obdii_menu_callback, app);
+    submenu_add_item(app->submenu, "Get VIN number", 2, obdii_menu_callback, app);
+    submenu_add_item(app->submenu, "Show DTC", 3, obdii_menu_callback, app);
+    submenu_add_item(app->submenu, "Delete DTC", 4, obdii_menu_callback, app);
+    submenu_add_item(app->submenu, "Manual Sender PID", 5, obdii_menu_callback, app);
 
     submenu_set_selected_item(app->submenu, app->obdii_aux_index);
 
@@ -92,6 +100,7 @@ static int32_t obdii_thread_on_work(void* context);
 static int32_t obdii_thread_getting_pid_supported_on_work(void* context);
 static int32_t obdii_thread_dtc_on_work(void* context);
 static int32_t obdii_thread_response_manual_sender_on_work(void* context);
+static int32_t obdii_get_car_data(void* context);
 
 /*
 
@@ -406,6 +415,36 @@ void app_scene_list_supported_pid_on_exit(void* context) {
     submenu_reset(app->submenu);
 }
 
+/*
+    Scene to get the VIN and ECU Name
+*/
+// Scene on enter
+void app_scene_get_car_data_on_enter(void* context) {
+    App* app = context;
+    widget_reset(app->widget);
+
+    app->thread = furi_thread_alloc_ex("CarDatas", 1024, obdii_get_car_data, app);
+    furi_thread_start(app->thread);
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, ViewWidget);
+}
+
+// Scene on event
+bool app_scene_get_car_data_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    UNUSED(event);
+
+    return false;
+}
+
+// Scene on exit
+void app_scene_get_car_data_on_exit(void* context) {
+    App* app = context;
+    furi_thread_join(app->thread);
+    furi_thread_free(app->thread);
+    widget_reset(app->widget);
+}
+
 /*
     Scene to watch the errors in the car
 */
@@ -907,6 +946,8 @@ static int32_t obdii_thread_on_work(void* context) {
                     draw_scene(app, option, sum_value(data[3], data[4]));
                     break;
 
+                case 7:
+
                 default:
                     draw_in_development(app);
                     break;
@@ -917,8 +958,6 @@ static int32_t obdii_thread_on_work(void* context) {
         }
     }
     pid_deinit(&scanner);
-
-    UNUSED(app);
     return 0;
 }
 
@@ -1130,3 +1169,24 @@ static int32_t obdii_thread_response_manual_sender_on_work(void* context) {
 
     return 0;
 }
+
+/*
+    Thread to get the VIN number
+*/
+
+static int32_t obdii_get_car_data(void* context) {
+    App* app = context;
+    OBDII scanner;
+
+    scanner.bitrate = app->mcp_can->bitRate;
+
+    bool run = pid_init(&scanner);
+
+    if(run) {
+        get_VIN(&scanner, app->text);
+    }
+
+    pid_deinit(&scanner);
+
+    return 0;
+}

Canbus_app/scenes_config/app_scene_config.h

@@ -35,3 +35,4 @@ ADD_SCENE(app, obdii_delete_dtc, obdii_delete_errors_option)
 ADD_SCENE(app, manual_sender_pid, manual_sender_pid_option)
 ADD_SCENE(app, response_manual_pid, response_pid_option)
 ADD_SCENE(app, input_manual_set_pid, input_manual_pid_option)
+ADD_SCENE(app, get_car_data, car_data_option)