added set/get LanguageDescriptor

add Descriptor to setManufacturer/setProduct

Author: hathach

cores/arduino/Adafruit_TinyUSB_Core/Adafruit_USBD_Device.cpp

@@ -34,6 +34,10 @@
   #define USB_PRODUCT "Unknown"
 #endif
 
+#ifndef USB_LANGUAGE
+  #define USB_LANGUAGE  0x0409 // default is English
+#endif
+
 #ifndef USB_CONFIG_POWER
   #define USB_CONFIG_POWER 100
 #endif
@@ -90,6 +94,7 @@ Adafruit_USBD_Device::Adafruit_USBD_Device(void)
   _itf_count = 0;
   _epin_count = _epout_count = 1;
 
+  _language_id = USB_LANGUAGE;
   _manufacturer = USB_MANUFACTURER;
   _product = USB_PRODUCT;
 }
@@ -152,12 +157,18 @@ void Adafruit_USBD_Device::setVersion(uint16_t bcd)
   _desc_device.bcdUSB = bcd;
 }
 
-void Adafruit_USBD_Device::setManufacturer(const char *s)
+
+void Adafruit_USBD_Device::setLanguageDescriptor (uint16_t language_id)
+{
+  _language_id = language_id;
+}
+
+void Adafruit_USBD_Device::setManufacturerDescriptor(const char *s)
 {
   _manufacturer = s;
 }
 
-void Adafruit_USBD_Device::setProduct(const char *s)
+void Adafruit_USBD_Device::setProductDescriptor(const char *s)
 {
   _product = s;
 }
@@ -276,17 +287,16 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index)
   switch (index)
   {
     case 0:
-      // language = English
-      _desc_str[1] = 0x0409;
+      _desc_str[1] = USBDevice.getLanguageDescriptor();
       chr_count = 1;
     break;
 
     case 1:
-      chr_count = strcpy_uni16(USBDevice.getManufacturer(), _desc_str + 1, 32);
+      chr_count = strcpy_uni16(USBDevice.getManufacturerDescriptor(), _desc_str + 1, 32);
     break;
 
     case 2:
-      chr_count = strcpy_uni16(USBDevice.getProduct(), _desc_str + 1, 32);
+      chr_count = strcpy_uni16(USBDevice.getProductDescriptor(), _desc_str + 1, 32);
     break;
 
     case 3:

cores/arduino/Adafruit_TinyUSB_Core/Adafruit_USBD_Device.h

@@ -48,6 +48,7 @@ class Adafruit_USBD_Device
     uint8_t  _epin_count;
     uint8_t  _epout_count;
 
+    uint16_t _language_id;
     const char *_manufacturer;
     const char *_product;
 
@@ -60,10 +61,13 @@ class Adafruit_USBD_Device
     void setID(uint16_t vid, uint16_t pid);
     void setVersion(uint16_t bcd);
 
-    const char *getManufacturer(void)    { return _manufacturer; }
-    void setManufacturer(const char *s);
-    const char *getProduct(void)         { return _product; }
-    void setProduct(const char *s);
+    void setLanguageDescriptor(uint16_t language_id);
+    void setManufacturerDescriptor(const char *s);
+    void setProductDescriptor(const char *s);
+
+    uint16_t    getLanguageDescriptor     (void) { return _language_id; }
+    const char *getManufacturerDescriptor (void) { return _manufacturer; }
+    const char *getProductDescriptor      (void) { return _product; }
 
     bool begin(void);