//*****************************************************************************
//
//! Loads the motor drive parameter block from flash.
//!
//! This function is called by the serial user interface when the load
//! parameter block function is called. If the motor drive is running, the
//! parameter block is not loaded. If the motor drive is not running and a
//! valid parameter block exists in flash, the contents of the parameter
//! block are loaded from flash.
//!
//! \return None.
//
//*****************************************************************************
void
UIParamLoad(void)
{
unsigned char *pucBuffer;
unsigned long ulIdx;
//
// Get the motion status so we know what the motor is doing.
//
pStepperStatus = StepperGetMotorStatus();
//
// Return without doing anything if the motor drive is running.
//
if(pStepperStatus->ucMotorStatus != MOTOR_STATUS_STOP)
{
return;
}
//
// Get a pointer to the latest parameter block in flash, and return without
// doing anything if there is not one.
//
pucBuffer = FlashPBGet();
if(!pucBuffer)
{
return;
}
//
// Loop through the words of the parameter block to copy its contents from
// flash to SRAM.
//
for(ulIdx = 0; ulIdx < (sizeof(tDriveParameters) / 4); ulIdx++)
{
((unsigned long *)&g_sParameters)[ulIdx] =
((unsigned long *)pucBuffer)[ulIdx];
}
//
// Loop through all of the parameters.
//
for(ulIdx = 0; ulIdx < g_ulUINumParameters; ulIdx++)
{
//
// If there is an update function for this parameter, then call it now
// since the parameter value may have changed as a result of the load.
//
if(g_sUIParameters[ulIdx].pfnUpdate)
{
g_sUIParameters[ulIdx].pfnUpdate();
}
}
//
// Make sure the correct control mode is set last, after all the
// parameters are loaded and updated.
//
UISetControlMode();
}
//*****************************************************************************
//
// This function reads the saved motor controller parameters from flash, if
// available.
//
//*****************************************************************************
void
ParamLoad(void)
{
unsigned char *pucBuffer;
//
// Get a pointer to the latest parameter block in flash.
//
pucBuffer = FlashPBGet();
//
// See if a parameter block was found in flash.
//
if(pucBuffer)
{
//
// A parameter block was found so copy the contents to the current
// parameter block.
//
g_sParameters = *(tParameters *)pucBuffer;
}
}
