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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-13 12:57:49 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-13 12:57:49 +0000 |
| commit | 34047efc7ee3bd765574d2ce709712ff27c7b2fd (patch) | |
| tree | 9eb5d158adb51bdeaf0a93a230ebb50f7cab11a6 /Projects/AVRISP-MKII | |
| parent | 571159df1b9b86fc76d12a02fc1e172bd202305a (diff) | |
| download | lufa-34047efc7ee3bd765574d2ce709712ff27c7b2fd.tar.gz lufa-34047efc7ee3bd765574d2ce709712ff27c7b2fd.tar.bz2 lufa-34047efc7ee3bd765574d2ce709712ff27c7b2fd.zip | |
Remove incorrect check for the current device state in the Set Configuration request handler of DevChapter9, which broke Set Configuration requests to the device under most circumstances.
Move out the SPI prescaler list to a PROGMEM module-level variable in ISPTarget.c.
Diffstat (limited to 'Projects/AVRISP-MKII')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c | 49 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h | 1 |
2 files changed, 26 insertions, 24 deletions
diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c index d7c6882cd..9a74aabb2 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c @@ -37,6 +37,30 @@ #if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__) +/** List of SPI prescaler masks for possible AVRStudio ISP programming speeds. */ +static uint8_t SPIMaskFromSCKDuration[] PROGMEM = +{ +#if (F_CPU == 8000000) + SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 4MHz SPI + SPI_SPEED_FCPU_DIV_2, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI + SPI_SPEED_FCPU_DIV_4, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI + SPI_SPEED_FCPU_DIV_8, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI + SPI_SPEED_FCPU_DIV_16, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI + SPI_SPEED_FCPU_DIV_32, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI + SPI_SPEED_FCPU_DIV_64, // AVRStudio = 125KHz SPI, Actual = 125KHz SPI +#elif (F_CPU == 16000000) + SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 8MHz SPI + SPI_SPEED_FCPU_DIV_4, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI + SPI_SPEED_FCPU_DIV_8, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI + SPI_SPEED_FCPU_DIV_16, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI + SPI_SPEED_FCPU_DIV_32, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI + SPI_SPEED_FCPU_DIV_64, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI + SPI_SPEED_FCPU_DIV_128 // AVRStudio = 125KHz SPI, Actual = 125KHz SPI +#else + #error No SPI prescaler masks for chosen F_CPU speed. +#endif +}; + /** Converts the given AVR Studio SCK duration parameter (set by a SET PARAM command from the host) to the nearest * possible SPI clock prescaler mask for passing to the SPI_Init() routine. * @@ -44,35 +68,12 @@ */ uint8_t ISPTarget_GetSPIPrescalerMask(void) { - static const uint8_t SPIMaskFromSCKDuration[] = - { - #if (F_CPU == 8000000) - SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 4MHz SPI - SPI_SPEED_FCPU_DIV_2, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI - SPI_SPEED_FCPU_DIV_4, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI - SPI_SPEED_FCPU_DIV_8, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI - SPI_SPEED_FCPU_DIV_16, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI - SPI_SPEED_FCPU_DIV_32, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI - SPI_SPEED_FCPU_DIV_64, // AVRStudio = 125KHz SPI, Actual = 125KHz SPI - #elif (F_CPU == 16000000) - SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 8MHz SPI - SPI_SPEED_FCPU_DIV_4, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI - SPI_SPEED_FCPU_DIV_8, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI - SPI_SPEED_FCPU_DIV_16, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI - SPI_SPEED_FCPU_DIV_32, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI - SPI_SPEED_FCPU_DIV_64, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI - SPI_SPEED_FCPU_DIV_128 // AVRStudio = 125KHz SPI, Actual = 125KHz SPI - #else - #error No SPI prescaler masks for chosen F_CPU speed. - #endif - }; - uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION); if (SCKDuration >= sizeof(SPIMaskFromSCKDuration)) SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1); - return SPIMaskFromSCKDuration[SCKDuration]; + return pgm_read_byte(&SPIMaskFromSCKDuration[SCKDuration]); } /** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command. diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h index d6e943582..705dd3990 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h @@ -38,6 +38,7 @@ /* Includes: */ #include <avr/io.h> + #include <avr/pgmspace.h> #include <util/delay.h> #include <LUFA/Drivers/USB/USB.h> |