diff options
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/V2ProtocolParams.c')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/V2ProtocolParams.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c b/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c index 135521adf..585bb6521 100644 --- a/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c +++ b/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c @@ -37,7 +37,10 @@ #include "V2ProtocolParams.h" /* Non-Volatile Parameter Values for EEPROM storage */ -static uint8_t EEMEM EEPROM_Reset_Polarity = 0x01; +static uint8_t EEMEM EEPROM_Reset_Polarity = 0x01; + +/* Non-Volatile Parameter Values for EEPROM storage */ +static uint8_t EEMEM EEPROM_SCK_Duration = 0x06; /* Volatile Parameter Values for RAM storage */ static ParameterItem_t ParameterTable[] = @@ -87,8 +90,17 @@ static ParameterItem_t ParameterTable[] = /** Loads saved non-volatile parameter values from the EEPROM into the parameter table, as needed. */ void V2Params_LoadNonVolatileParamValues(void) { - /* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */ - V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = eeprom_read_byte(&EEPROM_Reset_Polarity); + /* Read parameter values that are stored in non-volatile EEPROM */ + uint8_t ResetPolarity = eeprom_read_byte(&EEPROM_Reset_Polarity); + uint8_t SCKDuration = eeprom_read_byte(&EEPROM_SCK_Duration); + + /* Update current parameter table if the EEPROM contents was not blank */ + if (ResetPolarity != 0xFF) + V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = ResetPolarity; + + /* Update current parameter table if the EEPROM contents was not blank */ + if (SCKDuration != 0xFF) + V2Params_GetParamFromTable(PARAM_SCK_DURATION)->ParamValue = SCKDuration; } /** Updates any parameter values that are sourced from hardware rather than explicitly set by the host, such as @@ -112,7 +124,7 @@ void V2Params_UpdateParamValues(void) */ uint8_t V2Params_GetParameterPrivileges(const uint8_t ParamID) { - ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID); + ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID); if (ParamInfo == NULL) return 0; @@ -132,7 +144,7 @@ uint8_t V2Params_GetParameterPrivileges(const uint8_t ParamID) */ uint8_t V2Params_GetParameterValue(const uint8_t ParamID) { - ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID); + ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID); if (ParamInfo == NULL) return 0; @@ -154,7 +166,7 @@ uint8_t V2Params_GetParameterValue(const uint8_t ParamID) void V2Params_SetParameterValue(const uint8_t ParamID, const uint8_t Value) { - ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID); + ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID); if (ParamInfo == NULL) return; @@ -164,6 +176,10 @@ void V2Params_SetParameterValue(const uint8_t ParamID, /* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */ if (ParamID == PARAM_RESET_POLARITY) eeprom_update_byte(&EEPROM_Reset_Polarity, Value); + + /* The target SCK line period is a non-volatile parameter, save to EEPROM when changed */ + if (ParamID == PARAM_SCK_DURATION) + eeprom_update_byte(&EEPROM_SCK_Duration, Value); } /** Retrieves a parameter entry (including ID, value and privileges) from the parameter table that matches the given @@ -173,7 +189,7 @@ void V2Params_SetParameterValue(const uint8_t ParamID, * * \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise */ -static ParameterItem_t* V2Params_GetParamFromTable(const uint8_t ParamID) +static ParameterItem_t* const V2Params_GetParamFromTable(const uint8_t ParamID) { ParameterItem_t* CurrTableItem = ParameterTable; |