diff options
Diffstat (limited to 'variants/leonardo/pins_arduino.h')
| -rw-r--r-- | variants/leonardo/pins_arduino.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/variants/leonardo/pins_arduino.h b/variants/leonardo/pins_arduino.h index 6027223..7e0f669 100644 --- a/variants/leonardo/pins_arduino.h +++ b/variants/leonardo/pins_arduino.h @@ -366,4 +366,22 @@ const uint8_t PROGMEM analog_pin_to_channel_PGM[] = { // Alias SerialUSB to Serial #define SerialUSB SERIAL_PORT_USBVIRTUAL +// Bootloader related fields +// Old Caterian bootloader places the MAGIC key into unsafe RAM locations (it can be rewritten +// by the running sketch before to actual reboot). +// Newer bootloaders, recognizable by the LUFA "signature" at the end of the flash, can handle both +// the usafe and the safe location. Check once (in USBCore.cpp) if the bootloader in new, then set the global +// _updatedLUFAbootloader variable to true/false and place the magic key consequently +#ifndef MAGIC_KEY +#define MAGIC_KEY 0x7777 +#endif + +#ifndef MAGIC_KEY_POS +#define MAGIC_KEY_POS 0x0800 +#endif + +#ifndef NEW_LUFA_SIGNATURE +#define NEW_LUFA_SIGNATURE 0xDCFB +#endif + #endif /* Pins_Arduino_h */ |