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Added new VTARGET_USE_INTERNAL_REF configuration option to the AVRISP-MKII clone project (thanks to Volker Bosch).

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This commit is contained in:
Dean Camera 2011-07-26 03:07:32 +00:00
parent d5e874d348
commit 025742fca8
6 changed files with 20 additions and 3 deletions
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2
Projects/AVRISP-MKII/Lib/V2Protocol.c
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@ -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();

9
Projects/AVRISP-MKII/Lib/V2Protocol.h
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@ -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. */