diff options
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. */ |