[FL-378] Update usb descriptor to display unique flipper name (#373)

* update usb descriptor to display unique flipper name

* added flip_ prefix for usb descriptor, updated manufacturer string

* include name in ApiHalVersionOTP struct, update assets.py

Co-authored-by: あく <alleteam@gmail.com>

assets/assets.py

@@ -6,6 +6,7 @@ import subprocess
 import io
 import os
 import sys
+import re
 import struct
 import datetime
 
@@ -79,6 +80,7 @@ class Assets:
         self.parser_otp.add_argument(
             "--connect", type=int, help="Connect", required=True
         )
+        self.parser_otp.add_argument("--name", type=str, help="Name", required=True)
         self.parser_otp.add_argument("file", help="Output file")
         self.parser_otp.set_defaults(func=self.otp)
         # logging
@@ -101,13 +103,34 @@ class Assets:
 
     def otp(self):
         self.logger.debug(f"Generating OTP")
+
+        if self.args.name:
+            name = re.sub(
+                "[^a-zA-Z0-9.]", "", self.args.name
+            )  # Filter all special characters
+            name = list(
+                map(str, map(ord, name[0:8]))
+            )  # Strip to 8 chars and map to ascii codes
+            while len(name) < 8:
+                name.append("0")
+
+            n1, n2, n3, n4, n5, n6, n7, n8 = map(int, name)
+
         data = struct.pack(
-            "<BBBBL",
+            "<BBBBLBBBBBBBB",
             self.args.version,
             self.args.firmware,
             self.args.body,
             self.args.connect,
             int(datetime.datetime.now().timestamp()),
+            n1,
+            n2,
+            n3,
+            n4,
+            n5,
+            n6,
+            n7,
+            n8,
         )
         open(self.args.file, "wb").write(data)
 

firmware/targets/api-hal-include/api-hal-version.h

@@ -20,6 +20,8 @@ const uint8_t api_hal_version_get_hw_connect();
 
 const uint32_t api_hal_version_get_hw_timestamp();
 
+const char * api_hal_version_get_name_ptr();
+
 #ifdef __cplusplus
 }
 #endif

firmware/targets/f4/Inc/usbd_desc.h

@@ -51,7 +51,7 @@
 #define         DEVICE_ID2          (UID_BASE + 0x4)
 #define         DEVICE_ID3          (UID_BASE + 0x8)
 
-#define         USB_SIZ_STRING_SERIAL       0x1A
+#define         USB_SIZ_STRING_SERIAL       0x1E
 
 /* USER CODE BEGIN EXPORTED_CONSTANTS */
 

firmware/targets/f4/Src/usbd_desc.c

@@ -23,7 +23,7 @@
 #include "usbd_core.h"
 #include "usbd_desc.h"
 #include "usbd_conf.h"
-
+#include "api-hal-version.h"
 /* USER CODE BEGIN INCLUDE */
 
 /* USER CODE END INCLUDE */
@@ -65,12 +65,11 @@
 
 #define USBD_VID     1155
 #define USBD_LANGID_STRING     1033
-#define USBD_MANUFACTURER_STRING     "Flipper"
+#define USBD_MANUFACTURER_STRING     "Flipper Devices Inc."
 #define USBD_PID     22336
 #define USBD_PRODUCT_STRING     "Flipper Control Virtual ComPort"
 #define USBD_CONFIGURATION_STRING     "CDC Config"
 #define USBD_INTERFACE_STRING     "CDC Interface"
-
 /* USER CODE BEGIN PRIVATE_DEFINES */
 
 /* USER CODE END PRIVATE_DEFINES */
@@ -285,8 +284,13 @@ uint8_t * USBD_CDC_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length
 
   /* Update the serial number string descriptor with the data from the unique
    * ID */
-  Get_SerialNum();
-
+  if(api_hal_version_get_name_ptr()){
+    char buffer[14] = "flip_";
+    strncat(buffer, api_hal_version_get_name_ptr(), 8);
+    USBD_GetString((uint8_t*) buffer, USBD_StringSerial, length);
+  } else {
+    Get_SerialNum();
+  }
   /* USER CODE BEGIN USBD_CDC_SerialStrDescriptor */
 
   /* USER CODE END USBD_CDC_SerialStrDescriptor */

firmware/targets/f4/api-hal/api-hal-version.c

@@ -7,6 +7,7 @@ typedef struct {
     uint8_t body;
     uint8_t connect;
     uint32_t timestamp;
+    char name[8];
 } ApiHalVersionOTP;
 
 bool api_hal_version_do_i_belong_here() {
@@ -32,3 +33,8 @@ const uint8_t api_hal_version_get_hw_connect() {
 const uint32_t api_hal_version_get_hw_timestamp() {
     return ((ApiHalVersionOTP*)OTP_AREA_BASE)->timestamp;
 }
+
+const char * api_hal_version_get_name_ptr() {
+    char * name = ((ApiHalVersionOTP*)OTP_AREA_BASE)->name;
+    return *name == 0xFFU ? NULL : name; 
+}

firmware/targets/f5/Inc/usbd_desc.h

@@ -51,7 +51,7 @@
 #define         DEVICE_ID2          (UID_BASE + 0x4)
 #define         DEVICE_ID3          (UID_BASE + 0x8)
 
-#define         USB_SIZ_STRING_SERIAL       0x1A
+#define         USB_SIZ_STRING_SERIAL       0x1E
 
 /* USER CODE BEGIN EXPORTED_CONSTANTS */
 

firmware/targets/f5/Src/usbd_desc.c

@@ -23,7 +23,7 @@
 #include "usbd_core.h"
 #include "usbd_desc.h"
 #include "usbd_conf.h"
-
+#include "api-hal-version.h"
 /* USER CODE BEGIN INCLUDE */
 
 /* USER CODE END INCLUDE */
@@ -65,12 +65,11 @@
 
 #define USBD_VID     1155
 #define USBD_LANGID_STRING     1033
-#define USBD_MANUFACTURER_STRING     "Flipper"
+#define USBD_MANUFACTURER_STRING     "Flipper Devices Inc."
 #define USBD_PID     22336
 #define USBD_PRODUCT_STRING     "Flipper Control Virtual ComPort"
 #define USBD_CONFIGURATION_STRING     "CDC Config"
 #define USBD_INTERFACE_STRING     "CDC Interface"
-
 /* USER CODE BEGIN PRIVATE_DEFINES */
 
 /* USER CODE END PRIVATE_DEFINES */
@@ -285,8 +284,13 @@ uint8_t * USBD_CDC_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length
 
   /* Update the serial number string descriptor with the data from the unique
    * ID */
-  Get_SerialNum();
-
+  if(api_hal_version_get_name_ptr()){
+    char buffer[14] = "flip_";
+    strncat(buffer, api_hal_version_get_name_ptr(), 8);
+    USBD_GetString((uint8_t*) buffer, USBD_StringSerial, length);
+  } else {
+    Get_SerialNum();
+  }
   /* USER CODE BEGIN USBD_CDC_SerialStrDescriptor */
 
   /* USER CODE END USBD_CDC_SerialStrDescriptor */

firmware/targets/f5/api-hal/api-hal-version.c

@@ -7,6 +7,7 @@ typedef struct {
     uint8_t body;
     uint8_t connect;
     uint32_t timestamp;
+    char name[8];
 } ApiHalVersionOTP;
 
 bool api_hal_version_do_i_belong_here() {
@@ -32,3 +33,8 @@ const uint8_t api_hal_version_get_hw_connect() {
 const uint32_t api_hal_version_get_hw_timestamp() {
     return ((ApiHalVersionOTP*)OTP_AREA_BASE)->timestamp;
 }
+
+const char * api_hal_version_get_name_ptr() {
+    char * name = ((ApiHalVersionOTP*)OTP_AREA_BASE)->name;
+    return *name == 0xFFU ? NULL : name; 
+}