diff options
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h index c467298c6..aae4c5b53 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h @@ -59,8 +59,11 @@ /** Low level device command to issue an extended FLASH address, for devices with other 128KB of FLASH. */ #define LOAD_EXTENDED_ADDRESS_CMD 0x4D - /** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver */ - #define TIMER_COMP(freq) ((((F_CPU / 8) / freq) / 2) - 1) + /** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */ + #define TIMER_COMP(freq) (((F_CPU / 8) / 2 / freq) - 1) + + /** ISP rescue clock speed, for clocking targets with incorrectly set fuses. */ + #define ISP_RESCUE_CLOCK_SPEED 4000000 /* External Variables: */ extern bool HardwareSPIMode; |