fixup! fixup! cpu/sam0_common: flashpage: split RWWEE and normal func…

…tions
RIOT-OS · Aug 4, 2020 · 9bc2824 · 9bc2824
1 parent 65c7efa
commit 9bc2824
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cpu/sam0_common/periph/flashpage.c b/cpu/sam0_common/periph/flashpage.c
@@ -136,7 +136,9 @@ static void _erase_page(void* page, void (*cmd_erase)(void))
     /* erase given page (the ADDR register uses 16-bit addresses) */
     _unlock();
 
-    /* ??? */
+    /* ADDR drives the hardware (16-bit) address to the NVM when a command is executed using CMDEX.
+     * 8-bit addresses must be shifted one bit to the right before writing to this register.
+     */
 #if defined(CPU_SAMD21) || defined(CPU_SAML21)
     page_addr >>= 1;
 #endif