/*************************************************************************
* Function Name: PDB_init
* Parameters: none
* Return: none
* Description: PDB module initialization
*************************************************************************/
void PDB_init(void)
{
pdb_timer_config_t pdbUserConfig;
PDB_HAL_Init(PDB0_BASE_PTR);
PDB_HAL_SetAdcPreTriggerOutputEnable(PDB0_BASE_PTR, 0, (1U<<0)|(1U<<1), true);
PDB_HAL_SetAdcPreTriggerEnable(PDB0_BASE_PTR, 0, (1U<<0)|(1U<<1), true);
PDB_HAL_SetAdcPreTriggerBackToBackEnable(PDB0_BASE_PTR, 0, (1U<<1), true);
PDB_HAL_SetAdcPreTriggerDelayValue(PDB0_BASE_PTR, 0, 0, (PWM_MODULO / 6));
// Set load register mode
pdbUserConfig.loadValueMode = kPdbLoadValueImmediately;
// Select PDB external trigger source, it is from FTM0
pdbUserConfig.triggerInput = kPdbTrigger8;
PDB_HAL_ConfigTimer(PDB0_BASE_PTR,&pdbUserConfig);
PDB_HAL_Enable(PDB0_BASE_PTR);
PDB_HAL_SetTimerModulusValue(PDB0_BASE_PTR, 0x7fff);
PDB_HAL_SetLoadValuesCmd(PDB0_BASE_PTR);
// Set load register mode
pdbUserConfig.clkPreDiv = kPdbClkPreDivBy1;
pdbUserConfig.loadValueMode = kPdbLoadValueAtNextTrigger;
// Select PDB external trigger source, it is from FTM0
pdbUserConfig.triggerInput = kPdbTrigger8;
pdbUserConfig.seqErrIntEnable = true;
pdbUserConfig.clkPreMultFactor = kPdbClkPreMultFactorAs1;
PDB_HAL_ConfigTimer(PDB0_BASE_PTR,&pdbUserConfig);
PDB_HAL_SetLoadValuesCmd(PDB0_BASE_PTR);
enable_irq(g_pdbIrqId[0]);
set_irq_priority(g_pdbIrqId[0], ISR_PRIORITY_PDB0);
}
/*FUNCTION*********************************************************************
*
* Function Name : PDB_DRV_ConfigAdcPreTrigger
* Description : Configure the ADC pre_trigger in the PDB module.
*
*END*************************************************************************/
pdb_status_t PDB_DRV_ConfigAdcPreTrigger(uint32_t instance, uint32_t chn, const pdb_adc_pretrigger_config_t *configPtr)
{
assert(instance < PDB_INSTANCE_COUNT);
PDB_Type * base = g_pdbBase[instance];
if (!configPtr)
{
return kStatus_PDB_InvalidArgument;
}
PDB_HAL_SetAdcPreTriggerEnable(base, chn, 1U << (configPtr->adcPreTriggerIdx), configPtr->preTriggerEnable);
PDB_HAL_SetAdcPreTriggerOutputEnable(base, chn, 1U << (configPtr->adcPreTriggerIdx), configPtr->preTriggerOutputEnable);
PDB_HAL_SetAdcPreTriggerBackToBackEnable(base, chn, 1U << (configPtr->adcPreTriggerIdx), configPtr->preTriggerBackToBackEnable);
return kStatus_PDB_Success;
}
