/*!
* @brief Initialize the ADCx for HW trigger.
*
* @param instance The ADC instance number
*/
static int32_t init_adc(uint32_t instance)
{
adc16_converter_config_t adcUserConfig;
adc16_chn_config_t adcChnConfig;
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
// Initialization ADC for calibration purposes
adc16_calibration_param_t adcCalibrationParam;
adc16_chn_config_t adcCalibrationChnConfig;
const adc16_hw_average_config_t adcAverageConfig = {
.hwAverageEnable = true,
.hwAverageCountMode = kAdc16HwAverageCountOf32
};
ADC16_DRV_StructInitUserConfigDefault(&adcUserConfig);
#if BOARD_ADC_USE_ALT_VREF
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(instance, &adcUserConfig);
ADC16_DRV_ConfigHwAverage(instance, &adcAverageConfig);
adcChnConfig.chnIdx = kAdc16Chn31;
#if FSL_FEATURE_ADC16_HAS_DIFF_MODE
adcCalibrationChnConfig.diffConvEnable = false;
#endif /* FSL_FEATURE_ADC16_HAS_DIFF_MODE */
adcCalibrationChnConfig.convCompletedIntEnable = false;
// Configure channel0
ADC16_DRV_ConfigConvChn(instance, 0U, &adcCalibrationChnConfig);
// Configure channel1, which is used in PDB trigger case
ADC16_DRV_ConfigConvChn(instance, 1U, &adcCalibrationChnConfig);
// Auto calibration.
ADC16_DRV_GetAutoCalibrationParam(instance, &adcCalibrationParam);
ADC16_DRV_SetCalibrationParam(instance, &adcCalibrationParam);
#endif
// Initialization ADC for
// 12bit resolution, interrrupt mode, hw trigger enabled.
// normal convert speed, VREFH/L as reference,
// disable continuouse convert mode.
ADC16_DRV_StructInitUserConfigDefault(&adcUserConfig);
adcUserConfig.hwTriggerEnable = true;
adcUserConfig.continuousConvEnable = false;
#if BOARD_ADC_USE_ALT_VREF
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(instance, &adcUserConfig);
// Install Callback function into ISR
ADC_TEST_InstallCallback(instance, 0U, adc_chn0_isr_callback);
ADC_TEST_InstallCallback(instance, 1U, adc_chn1_isr_callback);
adcChnConfig.chnIdx = (adc16_chn_t)ADC_INPUT_CHAN;
#if FSL_FEATURE_ADC16_HAS_DIFF_MODE
adcChnConfig.diffConvEnable = false;
#endif /* FSL_FEATURE_ADC16_HAS_DIFF_MODE */
adcChnConfig.convCompletedIntEnable = true;
// Configure channel0
ADC16_DRV_ConfigConvChn(instance, 0U, &adcChnConfig);
// Configure channel1, which is used in PDB trigger case
ADC16_DRV_ConfigConvChn(instance, 1U, &adcChnConfig);
return 0;
}
/*!
* @brief Reset the sparse matrix
*/
void sparse_reset(void)
{
memset(gChartHead, 0, sizeof(gChartHead));
memset(gChartNodes, 0, sizeof(gChartNodes));
gFreeNode = 0;
}
/*!
* @brief Initialize the ADCx for HW trigger.
*
* @param instance The ADC instance number
*/
int32_t init_adc(uint32_t instance)
{
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
adc16_calibration_param_t adcCalibraitionParam;
#endif
adc16_converter_config_t adcUserConfig;
adc16_chn_config_t adcChnConfig;
adc16_hw_average_config_t adchwaverageConfig;
//ADC16_DRV_StructInitUserConfigDefault(&adcUserConfig);
/* Special configuration for highest accuracy. */
adcUserConfig.lowPowerEnable = false;
adcUserConfig.clkDividerMode = kAdc16ClkDividerOf1;
adcUserConfig.longSampleTimeEnable = false;
//yanglliang
adcUserConfig.resolution = kAdc16ResolutionBitOfSingleEndAs16;
//adcUserConfig.resolution = kAdc16ResolutionBitOfSingleEndAs12;
adcUserConfig.clkSrc = kAdc16ClkSrcOfBusClk; //kAdc16ClkSrcOfAsynClk;
adcUserConfig.asyncClkEnable = true;
adcUserConfig.highSpeedEnable = true;
adcUserConfig.longSampleCycleMode = kAdc16LongSampleCycleOf24;
adcUserConfig.hwTriggerEnable = false;
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfVref;
adcUserConfig.continuousConvEnable = false;
#if ( defined(FRDM_KL43Z) /* CPU_MKL43Z256VLH4 */ \
|| defined(TWR_KL43Z48M) /* CPU_MKL43Z256VLH4 */ \
|| defined(FRDM_KL27Z) /* CPU_MKL27Z64VLH4 */ \
)
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(instance, &adcUserConfig);
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
// Auto calibraion.
ADC16_DRV_GetAutoCalibrationParam(instance, &adcCalibraitionParam);
ADC16_DRV_SetCalibrationParam(instance, &adcCalibraitionParam);
#endif
// Initialization ADC for
// 12bit resolution, interrrupt mode, hw trigger enabled.
// normal convert speed, VREFH/L as reference,
// disable continuouse convert mode.
//ADC16_DRV_StructInitUserConfigDefault(&adcUserConfig);
adcUserConfig.hwTriggerEnable = true;
adcUserConfig.continuousConvEnable = false;
#if ( defined(FRDM_KL43Z) /* CPU_MKL43Z256VLH4 */ \
|| defined(TWR_KL43Z48M) /* CPU_MKL43Z256VLH4 */ \
|| defined(FRDM_KL27Z) /* CPU_MKL27Z64VLH4 */ \
)
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(instance, &adcUserConfig);
// Install Callback function into ISR
ADC_TEST_InstallCallback(instance, 0U, adc_chn0_isr_callback);
//ADC_TEST_InstallCallback(instance, 1U, adc_chn1_isr_callback);
adcChnConfig.chnIdx = (adc16_chn_t)ADC_AI1;
#if FSL_FEATURE_ADC16_HAS_DIFF_MODE
adcChnConfig.diffConvEnable = false;
#endif /* FSL_FEATURE_ADC16_HAS_DIFF_MODE */
adcChnConfig.convCompletedIntEnable = true;
ADC0_CFG2 |= ADC_CFG2_MUXSEL_MASK;
// Configure channel0
ADC16_DRV_ConfigConvChn(instance, 0U, &adcChnConfig);
adchwaverageConfig.hwAverageEnable=false;
//yangliang for hardware average
adchwaverageConfig.hwAverageCountMode=kAdc16HwAverageCountOf4;
//adchwaverageConfig.hwAverageCountMode=kAdc16HwAverageCountOf16;
ADC16_DRV_ConfigHwAverage(0, & adchwaverageConfig); //Set Hardware Average numbers
// Configure channel1, which is used in PDB trigger case
//ADC16_DRV_ConfigConvChn(instance, 1U, &adcChnConfig);
return 0;
}
