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Move ADC VTARGET sampling to a new V2Params_UpdateParamValues() in the AVRISP project so that there is a central place where all non-PC set target values can be updated easily.

This commit is contained in:
Dean Camera 2009-08-30 03:51:44 +00:00
parent 4bb236e9a0
commit 244c86429b
3 changed files with 24 additions and 9 deletions
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9
Projects/AVRISP/AVRISP.c
View File

@ -46,7 +46,7 @@ int main(void)
{
SetupHardware();
V2Params_LoadEEPROMParamValues();
V2Params_LoadNonVolatileParamValues();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
@ -54,11 +54,8 @@ int main(void)
{
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
V2Params_UpdateParamValues();
USB_USBTask();
}
}

17
Projects/AVRISP/Lib/V2ProtocolParams.c
View File

@ -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.

7
Projects/AVRISP/Lib/V2ProtocolParams.h
View File

@ -42,6 +42,10 @@
#include <LUFA/Version.h>
#if defined(ADC)
#include <LUFA/Drivers/Peripheral/ADC.h>
#endif
#include "V2Protocol.h"
#include "V2ProtocolConstants.h"
@ -62,7 +66,8 @@
} ParameterItem_t;
/* Function Prototypes: */
void V2Params_LoadEEPROMParamValues(void);
void V2Params_LoadNonVolatileParamValues(void);
void V2Params_UpdateParamValues(void);
uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID);
uint8_t V2Params_GetParameterValue(uint8_t ParamID);