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Add VTARGET level detection to the AVRISP project on supported AVR models.

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This commit is contained in:
Dean Camera 2009-08-25 14:02:47 +00:00
parent 244bba2097
commit 17d06b8494
4 changed files with 31 additions and 7 deletions
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15
Projects/AVRISP/AVRISP.c
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@ -35,7 +35,6 @@
*/
// TODO: Add in software SPI for lower programming speeds below 125KHz
// TODO: Add in VTARGET detection
// TODO: Add reversed target connector checks
#include "AVRISP.h"
@ -53,7 +52,12 @@ int main(void)
for (;;)
{
Process_AVRISP_Commands();
Process_AVRISP_Commands();
#if defined(ADC)
/* Update VTARGET parameter with the latest ADC conversion of VTARGET on supported AVR models */
V2Params_SetParameterValue(PARAM_VTARGET, ((5 * 10 * ADC_GetResult()) / 1024));
#endif
USB_USBTask();
}
@ -73,6 +77,13 @@ void SetupHardware(void)
LEDs_Init();
USB_Init();
#if defined(ADC)
/* 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(VTARGET_ADC_CHANNEL | ADC_RIGHT_ADJUSTED | ADC_REFERENCE_AVCC);
#endif
/* Millisecond timer initialization for timeout checking */
OCR0A = ((F_CPU / 64) / 1000);
TCCR0A = (1 << WGM01);