Minor documentation improvements.

[pub/USBasp.git] / Bootloaders / CDC / BootloaderCDC.txt

diff --git a/Bootloaders/CDC/BootloaderCDC.txt b/Bootloaders/CDC/BootloaderCDC.txt
index a3f74f3..b087bd5 100644 (file)
--- a/Bootloaders/CDC/BootloaderCDC.txt
+++ b/Bootloaders/CDC/BootloaderCDC.txt
@@ -98,7 +98,7 @@
  *  #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);
  *  void    (*BootloaderAPI_FillWord)(uint32_t Address, uint16_t Word) = BOOTLOADER_API_CALL(2);
@@ -106,17 +106,23 @@
  *  uint8_t (*BootloaderAPI_ReadFuse)(uint16_t Address)                = BOOTLOADER_API_CALL(4);
  *  uint8_t (*BootloaderAPI_ReadLock)(void)                            = BOOTLOADER_API_CALL(5);
  *  void    (*BootloaderAPI_WriteLock)(uint8_t LockBits)               = BOOTLOADER_API_CALL(6);
- *  
+ *
  *  #define BOOTLOADER_MAGIC_SIGNATURE_START   (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 2))
  *  #define BOOTLOADER_MAGIC_SIGNATURE         0xDCFB
- *  
+ *
  *  #define BOOTLOADER_CLASS_SIGNATURE_START   (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 4))
- *  #define BOOTLOADER_CDC_SIGNATURE           0xCDC1
- *  
+ *  #define BOOTLOADER_CDC_SIGNATURE           0xDF00
+ *
  *  #define BOOTLOADER_ADDRESS_START           (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 8))
  *  #define BOOTLOADER_ADDRESS_LENGTH          4
  *  \endcode
  *
+ *  From the application the API support of the bootloader can be detected by reading the FLASH memory bytes located at address
+ *  \c BOOTLOADER_MAGIC_SIGNATURE_START and comparing them to the value \c BOOTLOADER_MAGIC_SIGNATURE. The class of bootloader
+ *  can be determined by reading the FLASH memory bytes located at address \c BOOTLOADER_CLASS_SIGNATURE_START and comparing them
+ *  to the value \c BOOTLOADER_CDC_SIGNATURE. The start address of the bootloader can be retrieved by reading the bytes of FLASH
+ *  memory starting from address \c BOOTLOADER_ADDRESS_START.
+ *
  *  \subsection SSec_API_MemLayout Device Memory Map
  *  The following illustration indicates the final memory map of the device when loaded with the bootloader.
  *
@@ -155,12 +161,6 @@
  *  +----------------------------+ FLASHEND
  *  \endverbatim
  *
- *  Bootloaders reporting a device release revision number of 1.00 or greater are bootloader API enabled. From the application
- *  the API support of the bootloader can be detected by reading the FLASH memory bytes located at address \c BOOTLOADER_MAGIC_SIGNATURE_START
- *  and comparing them to the value \c BOOTLOADER_MAGIC_SIGNATURE. The class of bootloader can be determined by reading the
- *  FLASH memory bytes located at address \c BOOTLOADER_CLASS_SIGNATURE_START and comparing them to the value \c BOOTLOADER_CDC_SIGNATURE.
- *  The start address of the bootloader can be retrieved by reading the bytes of FLASH memory starting from address \c BOOTLOADER_ADDRESS_START.
- *
  *  \section Sec_Options Project Options
  *
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
@@ -173,25 +173,25 @@
  *   </tr>
  *   <tr>
  *    <td>NO_BLOCK_SUPPORT</td>
- *    <td>Makefile LUFA_OPTS</td>
+ *    <td>AppConfig.h</td>
  *    <td>Define to disable memory block read/write support in the bootloader, requiring all reads and writes to be made
  *        using the byte-level commands.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_EEPROM_BYTE_SUPPORT</td>
- *    <td>Makefile LUFA_OPTS</td>
+ *    <td>AppConfig.h</td>
  *    <td>Define to disable EEPROM memory byte read/write support in the bootloader, requiring all EEPROM reads and writes
  *        to be made using the block-level commands.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_FLASH_BYTE_SUPPORT</td>
- *    <td>Makefile LUFA_OPTS</td>
+ *    <td>AppConfig.h</td>
  *    <td>Define to disable FLASH memory byte read/write support in the bootloader, requiring all FLASH reads and writes
  *        to be made using the block-level commands.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_LOCK_BYTE_WRITE_SUPPORT</td>
- *    <td>Makefile LUFA_OPTS</td>
+ *    <td>AppConfig.h</td>
  *    <td>Define to disable lock byte write support in the bootloader, preventing the lock bits from being set programmatically.</td>
  *   </tr>
  *  </table>