X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/cb779e3d7d32d7c43e0a45bb526de0a04135b0c7..ec537fd84d6ad3fd0dfa1b55efa2c2d554c1db48:/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h index e6ee42d4e..b360a097f 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h @@ -59,15 +59,20 @@ /** 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 in Hz, for clocking targets with incorrectly set fuses. */ + #define ISP_RESCUE_CLOCK_SPEED 4000000 /* External Variables: */ extern bool HardwareSPIMode; /* Function Prototypes: */ - void ISPTarget_Init(void); - void ISPTarget_ShutDown(void); + void ISPTarget_EnableTargetISP(void); + void ISPTarget_DisableTargetISP(void); + void ISPTarget_ConfigureRescueClock(void); + void ISPTarget_ConfigureSoftwareISP(const uint8_t SCKDuration); uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte); void ISPTarget_ChangeTargetResetLine(const bool ResetTarget); uint8_t ISPTarget_WaitWhileTargetBusy(void);