void PDB_QuickInit(PDB_TriggerSrc_Type triggerSrc, uint32_t timeInUs)
{
uint32_t clock;
PDB_InitTypeDef PDB_InitStruct1;
CLOCK_GetClockFrequency(kBusClock, &clock);
PDB_InitStruct1.inputTrigSource = kPDB_SoftwareTrigger; /* software Trigger */
PDB_InitStruct1.isContinuesMode = true;
PDB_InitStruct1.srcClock = clock;
PDB_InitStruct1.timeInUs = timeInUs;
PDB_Init(&PDB_InitStruct1);
}
/*!
* @brief Main function
*/
int main(void)
{
pdb_config_t pdbConfigStruct;
pdb_adc_pretrigger_config_t pdbAdcPreTriggerConfigStruct;
BOARD_InitPins();
BOARD_BootClockRUN();
BOARD_InitDebugConsole();
EnableIRQ(DEMO_PDB_IRQ_ID);
EnableIRQ(DEMO_ADC_IRQ_ID);
PRINTF("\r\nPDB ADC16 Pre-Trigger Example.\r\n");
/* Configure the PDB counter. */
/*
* pdbConfigStruct.loadValueMode = kPDB_LoadValueImmediately;
* pdbConfigStruct.prescalerDivider = kPDB_PrescalerDivider1;
* pdbConfigStruct.dividerMultiplicationFactor = kPDB_DividerMultiplicationFactor1;
* pdbConfigStruct.triggerInputSource = kPDB_TriggerSoftware;
* pdbConfigStruct.enableContinuousMode = false;
*/
PDB_GetDefaultConfig(&pdbConfigStruct);
PDB_Init(DEMO_PDB_BASE, &pdbConfigStruct);
/* Configure the delay interrupt. */
PDB_SetModulusValue(DEMO_PDB_BASE, 1000U);
/* The available delay value is less than or equal to the modulus value. */
PDB_SetCounterDelayValue(DEMO_PDB_BASE, 1000U);
PDB_EnableInterrupts(DEMO_PDB_BASE, kPDB_DelayInterruptEnable);
/* Configure the ADC Pre-Trigger. */
pdbAdcPreTriggerConfigStruct.enablePreTriggerMask = 1U << DEMO_PDB_ADC_PRETRIGGER_CHANNEL;
pdbAdcPreTriggerConfigStruct.enableOutputMask = 1U << DEMO_PDB_ADC_PRETRIGGER_CHANNEL;
pdbAdcPreTriggerConfigStruct.enableBackToBackOperationMask = 0U;
PDB_SetADCPreTriggerConfig(DEMO_PDB_BASE, DEMO_PDB_ADC_TRIGGER_CHANNEL, &pdbAdcPreTriggerConfigStruct);
PDB_SetADCPreTriggerDelayValue(DEMO_PDB_BASE, DEMO_PDB_ADC_TRIGGER_CHANNEL, DEMO_PDB_ADC_PRETRIGGER_CHANNEL, 200U);
/* The available Pre-Trigger delay value is less than or equal to the modulus value. */
PDB_DoLoadValues(DEMO_PDB_BASE);
/* Configure the ADC. */
DEMO_InitPDB_ADC();
g_PdbDelayInterruptCounter = 0U;
g_AdcInterruptCounter = 0U;
while (1)
{
PRINTF("\r\nType any key into terminal to trigger the PDB and then trigger the ADC's conversion ...\r\n");
GETCHAR();
g_PdbDelayInterruptFlag = false;
g_AdcInterruptFlag = false;
PDB_DoSoftwareTrigger(DEMO_PDB_BASE);
while ((!g_PdbDelayInterruptFlag) || (!g_AdcInterruptFlag))
{
}
PRINTF("\r\n");
PRINTF("PDB Interrupt Counter: %d\r\n", g_PdbDelayInterruptCounter);
PRINTF("ADC Conversion Interrupt Counter: %d\r\n", g_AdcInterruptCounter);
PRINTF("ADC Conversion Value: %d\r\n", g_AdcConvValue);
}
}
