diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2011-10-11 06:20:18 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-10-11 06:20:18 +0000 |
commit | 1a4a26271e32fba6e2430b7869ec4a8b4242e6e2 (patch) | |
tree | 42033644a25aad1d5f901a75b9363e3dec025875 /Bootloaders/DFU/BootloaderDFU.txt | |
parent | beb069b9b845da02de07e4e3e0149e84004d2445 (diff) | |
download | lufa-1a4a26271e32fba6e2430b7869ec4a8b4242e6e2.tar.gz lufa-1a4a26271e32fba6e2430b7869ec4a8b4242e6e2.tar.bz2 lufa-1a4a26271e32fba6e2430b7869ec4a8b4242e6e2.zip |
Added User Application APIs to the CDC and DFU class bootloaders.
Diffstat (limited to 'Bootloaders/DFU/BootloaderDFU.txt')
-rw-r--r-- | Bootloaders/DFU/BootloaderDFU.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Bootloaders/DFU/BootloaderDFU.txt b/Bootloaders/DFU/BootloaderDFU.txt index 858549f00..94657f355 100644 --- a/Bootloaders/DFU/BootloaderDFU.txt +++ b/Bootloaders/DFU/BootloaderDFU.txt @@ -89,6 +89,27 @@ * dfu-programmer at90usb1287 erase flash Mouse.hex * \endcode * + * \section Sec_API User Application API + * + * Several user application functions for FLASH and other special memory area manipulations are exposed by the bootloader, + * allowing the user application to call into the bootloader at runtime to read and write FLASH data. + * + * \note The APIs exposed by the DFU class bootloader are \b NOT compatible with the API exposed by the official Atmel DFU bootloader. + * + * By default, the bootloader API jump table is located 32 bytes from the end of the device's FLASH memory, and follows the + * following layout: + * + * \code + * #define BOOTLOADER_API_START(Index) (void*)(((FLASHEND - 32) + (2 * Index)) / 2) + * void (*BootloaderAPI_ErasePage)(uint32_t Address) = BOOTLOADER_API_START(0); + * void (*BootloaderAPI_WritePage)(uint32_t Address) = BOOTLOADER_API_START(1); + * void (*BootloaderAPI_FillWord)(uint32_t Address, uint16_t Word) = BOOTLOADER_API_START(2); + * uint8_t (*BootloaderAPI_ReadSignature)(uint16_t Address) = BOOTLOADER_API_START(3); + * uint8_t (*BootloaderAPI_ReadFuse)(uint16_t Address) = BOOTLOADER_API_START(4); + * uint8_t (*BootloaderAPI_ReadLock)(void) = BOOTLOADER_API_START(5); + * void (*BootloaderAPI_WriteLock)(uint8_t LockBits) = BOOTLOADER_API_START(6); + * \endcode + * * \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. |