Aligned databuffer to 32-bit address

	 __attribute__((__aligned__(4))) uint8_t databuffer[1023]; //__attribute__((__section__(".bss_hram0")))
    /*SAMD21 datasheet p804: Bits 31:0 – ADDR[31:0]: Data Pointer Address Value
    These bits define the data pointer address as an absolute word address in RAM.The two least significant bits must
    be zero to ensure the start address is 32-bit aligned.*/

Author: abaelen

MKR1010_USBIso_Core_v1/CDCIso.h

@@ -37,7 +37,10 @@ class CDCIso_ : public PluggableUSBModule {
 
 	uint8_t writebuffer[1023];
 	uint8_t lenwritebuffer;
-	uint8_t databuffer[1023];
+	__attribute__((__aligned__(4))) uint8_t databuffer[1023]; //__attribute__((__section__(".bss_hram0"))) 
+    /*SAMD21 datasheet p804: Bits 31:0 – ADDR[31:0]: Data Pointer Address Value
+    These bits define the data pointer address as an absolute word address in RAM.The two least significant bits must
+    be zero to ensure the start address is 32-bit aligned.*/
 
 	uint32_t iso_pcksize;
 	uint8_t iso_pckcode;

USBIso_Core_v1/.vs/USBIso_Core_v1/v14/.atsuo

@@ -40,7 +40,10 @@ class CDCIso_ : public PluggableUSBModule {
 
 	uint8_t writebuffer[1023];
 	uint8_t lenwritebuffer;
-	uint8_t databuffer[1023];
+	 __attribute__((__aligned__(4))) uint8_t databuffer[1023]; //__attribute__((__section__(".bss_hram0"))) 
+    /*SAMD21 datasheet p804: Bits 31:0 – ADDR[31:0]: Data Pointer Address Value
+    These bits define the data pointer address as an absolute word address in RAM.The two least significant bits must
+    be zero to ensure the start address is 32-bit aligned.*/
 
 	uint32_t iso_pcksize;
 	uint8_t iso_pckcode;