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| author | Dean Camera <dean@fourwalledcubicle.com> | 2011-07-26 03:07:32 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-07-26 03:07:32 +0000 |
| commit | 025742fca89e78d33f37b229c97607460a3a78d5 (patch) | |
| tree | 968a5a4b9890a5b201611204798d4a416364bb62 /Projects/AVRISP-MKII/Lib | |
| parent | d5e874d3480e6806223cd2fc05d9c9bb85e9d95e (diff) | |
| download | lufa-025742fca89e78d33f37b229c97607460a3a78d5.tar.gz lufa-025742fca89e78d33f37b229c97607460a3a78d5.tar.bz2 lufa-025742fca89e78d33f37b229c97607460a3a78d5.zip | |
Added new VTARGET_USE_INTERNAL_REF configuration option to the AVRISP-MKII clone project (thanks to Volker Bosch).
Diffstat (limited to 'Projects/AVRISP-MKII/Lib')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.c | 2 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.h | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c index 4c8f0585a..65e34fad9 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.c +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c @@ -57,7 +57,7 @@ void V2Protocol_Init(void) /* Initialize the ADC converter for VTARGET level detection on supported AVR models */ ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128); ADC_SetupChannel(VTARGET_ADC_CHANNEL); - ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | VTARGET_ADC_CHANNEL_MASK); + ADC_StartReading(VTARGET_REF_MASK | ADC_RIGHT_ADJUSTED | VTARGET_ADC_CHANNEL_MASK); #endif V2Params_LoadNonVolatileParamValues(); diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.h b/Projects/AVRISP-MKII/Lib/V2Protocol.h index 8e9e6ff38..2511571f9 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.h +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.h @@ -61,6 +61,15 @@ #if defined(USB_SERIES_4_AVR) && ((VTARGET_ADC_CHANNEL == 2) || (VTARGET_ADC_CHANNEL == 3)) #error The U4 AVR chips do not contain ADC channels 2 or 3. Please change VTARGET_ADC_CHANNEL or define NO_VTARGET_DETECT in the makefile. #endif + + #if defined(VTARGET_USE_INTERNAL_REF) + #undef VTARGET_REF_VOLTS + #define VTARGET_REF_VOLTS 2.56 + + #define VTARGET_REF_MASK ADC_REFERENCE_INT2560MV + #else + #define VTARGET_REF_MASK ADC_REFERENCE_AVCC + #endif /* Macros: */ /** Programmer ID string, returned to the host during the CMD_SIGN_ON command processing. */ |