diff options
Diffstat (limited to 'firmware/bootloaderconfig.h')
| -rw-r--r-- | firmware/bootloaderconfig.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/firmware/bootloaderconfig.h b/firmware/bootloaderconfig.h index 80922ca..43658dc 100644 --- a/firmware/bootloaderconfig.h +++ b/firmware/bootloaderconfig.h @@ -248,16 +248,21 @@ these macros are defined, the boot loader uses them. * This is the default behaviour of the Digispark. * Adds ~38 bytes. * + * OSCCAL_HAVE_XTAL Set this to '1' if you have an external crystal oscillator. In this case no attempt + * will be made to calibrate the oscillator. You should deactivate both options above + * if you use this to avoid redundant code. + * * If both options are selected, OSCCAL_RESTORE takes precedence. * * If no option is selected, OSCCAL will be left untouched and stay at either 16.0Mhz or 16.5Mhz depending * on whether the bootloader was activated. This will take the least memory. You can use this if your program - * comes with its own OSCCAL calibration or an external clock source is used. + * comes with its own OSCCAL calibration or an external clock source is used. */ - #define OSCCAL_RESTORE 1 - #define OSCCAL_16_5MHz 1 - +#define OSCCAL_RESTORE 1 +#define OSCCAL_16_5MHz 0 +#define OSCCAL_HAVE_XTAL 0 + /* * Defines handling of an indicator LED while the bootloader is active. * |