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-rw-r--r--Bootloaders/DFU/BootloaderDFU.txt12
1 files changed, 7 insertions, 5 deletions
diff --git a/Bootloaders/DFU/BootloaderDFU.txt b/Bootloaders/DFU/BootloaderDFU.txt
index 2c9eaf1de..0ef8aba67 100644
--- a/Bootloaders/DFU/BootloaderDFU.txt
+++ b/Bootloaders/DFU/BootloaderDFU.txt
@@ -100,7 +100,9 @@
* following layout:
*
* \code
- * #define BOOTLOADER_API_CALL(Index) (void*)(((FLASHEND - 32) + (2 * Index)) / 2)
+ * #define BOOTLOADER_API_TABLE_SIZE 32
+ * #define BOOTLOADER_API_TABLE_START ((FLASHEND + 1UL) - BOOTLOADER_API_TABLE_SIZE)
+ * #define BOOTLOADER_API_CALL(Index) (void*)((BOOTLOADER_API_TABLE_START + (Index * 2)) / 2)
*
* void (*BootloaderAPI_ErasePage)(uint32_t Address) = BOOTLOADER_API_CALL(0);
* void (*BootloaderAPI_WritePage)(uint32_t Address) = BOOTLOADER_API_CALL(1);
@@ -110,13 +112,13 @@
* uint8_t (*BootloaderAPI_ReadLock)(void) = BOOTLOADER_API_CALL(5);
* void (*BootloaderAPI_WriteLock)(uint8_t LockBits) = BOOTLOADER_API_CALL(6);
*
- * #define BOOTLOADER_MAGIC_SIGNATURE_START (FLASHEND - 2)
+ * #define BOOTLOADER_MAGIC_SIGNATURE_START (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 2))
* #define BOOTLOADER_MAGIC_SIGNATURE 0xDCFB
*
- * #define BOOTLOADER_CLASS_SIGNATURE_START (FLASHEND - 4)
- * #define BOOTLOADER_DFU_SIGNATURE 0xDFB1
+ * #define BOOTLOADER_CLASS_SIGNATURE_START (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 4))
+ * #define BOOTLOADER_CDC_SIGNATURE 0xDFB1
*
- * #define BOOTLOADER_ADDRESS_START (FLASHEND - 8)
+ * #define BOOTLOADER_ADDRESS_START (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 8))
* #define BOOTLOADER_ADDRESS_LENGTH 4
* \endcode
*