/*************************************************************************
* 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_LoadValuesCmd
* Description : Execute the command of loading values.
*
*END*************************************************************************/
void PDB_DRV_LoadValuesCmd(uint32_t instance)
{
assert(instance < PDB_INSTANCE_COUNT);
PDB_Type * base = g_pdbBase[instance];
PDB_HAL_SetLoadValuesCmd(base);
}
/*FUNCTION*********************************************************************
*
* Function Name : PDB_HAL_Init
* Description : Reset PDB's registers to a known state. This state is
* defined in Reference Manual, which is power on reset value.
*
*END*************************************************************************/
void PDB_HAL_Init(PDB_Type * base)
{
uint32_t chn, preChn;
/* Note: The setting would take effect only when the PDBEN bit is set. */
PDB_WR_SC(base, PDB_SC_PDBEN_MASK);
PDB_WR_MOD(base, 0xFFFFU);
PDB_WR_IDLY(base, 0xFFFFU);
/* For ADC trigger. */
for (chn = 0U; chn < PDB_C1_COUNT; chn++)
{
PDB_WR_C1(base, chn, 0U);
PDB_WR_S(base, chn,0xFU);
for (preChn = 0U; preChn < FSL_FEATURE_PDB_ADC_PRE_CHANNEL_COUNT; preChn++)
{
PDB_HAL_SetAdcPreTriggerDelayValue(base, chn, preChn, 0U);
}
}
#if FSL_FEATURE_PDB_HAS_DAC
/* For DAC trigger. */
for (chn = 0U; chn < PDB_INTC_COUNT; chn++)
{
PDB_WR_INTC(base, chn, 0U);
PDB_WR_INT(base ,chn, 0U);
}
#endif
/* For Pulse out trigger. */
PDB_WR_POEN(base, 0U);
for (chn = 0U; chn < PDB_PODLY_COUNT; chn++)
{
PDB_WR_PODLY(base, chn, 0U);
}
/* Load the setting value. */
PDB_HAL_SetLoadValuesCmd(base);
PDB_HAL_Disable(base);
}
