X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/271be037b736d66a7b7e0c4d5d30c5a24025277f..e918d977b1d4465d525ee0f742dbdeec20f7885c:/Projects/AVRISP/Lib/V2ProtocolParams.c?ds=sidebyside

diff --git a/Projects/AVRISP/Lib/V2ProtocolParams.c b/Projects/AVRISP/Lib/V2ProtocolParams.c
index 9914c085e..2d646a93c 100644
--- a/Projects/AVRISP/Lib/V2ProtocolParams.c
+++ b/Projects/AVRISP/Lib/V2ProtocolParams.c
@@ -85,12 +85,25 @@ static ParameterItem_t ParameterTable[] =
 
 
 /** Loads saved non-volatile parameter values from the EEPROM into the parameter table, as needed. */
-void V2Params_LoadEEPROMParamValues(void)
+void V2Params_LoadNonVolatileParamValues(void)
 {
-	/* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */
+	/* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM -
+	 *   NB: Cannot call V2Protocol_SetParameterValue() here, as that will cause another EEPROM write!
+	 */
 	V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = eeprom_read_byte(&EEPROM_Rest_Polarity);
 }
 
+/** Updates any parameter values that are sourced from hardware rather than explicitly set by the host, such as
+ *  VTARGET levels from the ADC on supported AVR models.
+ */
+void V2Params_UpdateParamValues(void)
+{
+	#if defined(ADC)
+	/* Update VTARGET parameter with the latest ADC conversion of VTARGET on supported AVR models */
+	V2Params_GetParamFromTable(PARAM_VTARGET)->ParamValue = ((5 * 10 * ADC_GetResult()) / 1024);
+	#endif
+}
+
 /** Retrieves the host PC read/write privellages for a given parameter in the parameter table. This should
  *  be called before calls to \ref V2Params_GetParameterValue() or \ref V2Params_SetParameterValue() when
  *  getting or setting parameter values in response to requests from the host.