/*!
* @brief main function
*/
int main(void)
{
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
adc16_calibration_param_t tempSnseCalibraitionParam;
#endif
hardware_init();
GPIO_DRV_Init(NULL, ledPins);
// Configure the power mode protection
SMC_HAL_SetProtection(SMC_BASE_PTR, kAllowPowerModeVlp);
ADC16_DRV_StructInitUserConfigDefault(&tempSnseAdcConfig);
#if (FSL_FEATURE_ADC16_MAX_RESOLUTION >= 16)
tempSnseAdcConfig.resolution = kAdc16ResolutionBitOf16;
#endif
#if BOARD_ADC_USE_ALT_VREF
tempSnseAdcConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
// Init ADC
ADC16_DRV_Init(ADC_INSTANCE, &tempSnseAdcConfig);
// Calibrate VDD and ADCR_TEMP25
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
// Auto calibraion
ADC16_DRV_GetAutoCalibrationParam(ADC_INSTANCE, &tempSnseCalibraitionParam);
ADC16_DRV_SetCalibrationParam(ADC_INSTANCE, &tempSnseCalibraitionParam);
#endif // FSL_FEATURE_ADC16_HAS_CALIBRATION
calibrateParams();
// get cpu uid low value for slave
gSlaveId = SIM_UIDL_UID(SIM_BASE_PTR);
PRINTF("i2c_rtos_slave_bm demo\r\n");
// task list initialize
OSA_Init();
// create task(in BM: only the first registered task can be executed)
OSA_TaskCreate(task_slave,
(uint8_t *)"slave",
512,
task_slave_stack,
0,
(void *)0,
false,
&task_slave_task_handler);
OSA_Start();
return 0;
}
/*!
* @brief Initialize the ADCx for HW trigger.
* @return Error code.
*/
int adc16Init(adc16_converter_config_t *adcUserConfig, adc16_chn_config_t *adcChnConfig, adc16_calibration_param_t *adcCalibraitionParam)
{
if(!adcUserConfig || !adcChnConfig)
{
return LPM_DEMO_RETURN_NULL;
}
memset(adcUserConfig, 0, sizeof(adc16_converter_config_t));
memset(adcChnConfig, 0, sizeof(adc16_chn_config_t));
memset(adcCalibraitionParam, 0, sizeof(adc16_calibration_param_t));
adc16CalibrateParams();
// Auto calibration
if(adcCalibraitionParam)
{
ADC16_DRV_GetAutoCalibrationParam(HWADC_INSTANCE, adcCalibraitionParam);
ADC16_DRV_SetCalibrationParam(HWADC_INSTANCE, adcCalibraitionParam);
}
// Initialization ADC for
// 16bit resolution, interrupt mode, hw trigger enabled.
// normal convert speed, VREFH/L as reference,
// disable continuous convert mode.
ADC16_DRV_StructInitUserConfigDefault(adcUserConfig);
adcUserConfig->resolution = kAdc16ResolutionBitOf16;
adcUserConfig->hwTriggerEnable = true;
adcUserConfig->continuousConvEnable = false;
adcUserConfig->clkSrc = kAdc16ClkSrcOfAsynClk;
#if BOARD_ADC_USE_ALT_VREF
adcUserConfig->refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(HWADC_INSTANCE, adcUserConfig);
// Install Callback function into ISR
ADC_InstallCallback(HWADC_INSTANCE, CHANNEL_0, adc1IrqHandler);
adcChnConfig->chnIdx = ADC16_TEMPERATURE_CHN;
#if FSL_FEATURE_ADC16_HAS_DIFF_MODE
adcChnConfig->diffConvEnable = false;
#endif
adcChnConfig->convCompletedIntEnable = true;
// Configure channel0
ADC16_DRV_ConfigConvChn(HWADC_INSTANCE, CHANNEL_0, adcChnConfig);
adc16InitPitTriggerSource(HWADC_INSTANCE);
gConversionCompleteFlag = 0;
return LPM_DEMO_RETURN_OK;
}
/*!
* @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 calibrate param for adc.
*/
void adc16CalibrateParams(void)
{
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
adc16_calibration_param_t adcCalibraitionParam;
#endif
adc16_converter_config_t adcUserConfig;
#if FSL_FEATURE_ADC16_HAS_HW_AVERAGE
adc16_hw_average_config_t hwAverageConfig;
#endif
adc16_chn_config_t adcChnConfig;
pmc_bandgap_buffer_config_t pmcBandgapConfig = {
.enable = true,
#if FSL_FEATURE_PMC_HAS_BGEN
.enableInLowPower = false,
#endif
#if FSL_FEATURE_PMC_HAS_BGBDS
.drive = kPmcBandgapBufferDriveLow,
#endif
};
uint32_t bandgapValue = 0; /*! ADC value of BANDGAP */
uint32_t vdd = 0; /*! VDD in mV */
// Enable BANDGAP reference voltage
PMC_HAL_BandgapBufferConfig(PMC_BASE_PTR, &pmcBandgapConfig);
// Initialization ADC for
// 16bit resolution, interrupt mode, hw trigger disabled.
// normal convert speed, VREFH/L as reference,
// disable continuous convert mode.
ADC16_DRV_StructInitUserConfigDefault(&adcUserConfig);
adcUserConfig.resolution = kAdc16ResolutionBitOf16;
adcUserConfig.continuousConvEnable = false;
adcUserConfig.clkSrc = kAdc16ClkSrcOfAsynClk;
#if BOARD_ADC_USE_ALT_VREF
adcUserConfig.refVoltSrc = kAdc16RefVoltSrcOfValt;
#endif
ADC16_DRV_Init(HWADC_INSTANCE, &adcUserConfig);
#if FSL_FEATURE_ADC16_HAS_HW_AVERAGE
hwAverageConfig.hwAverageEnable = true;
hwAverageConfig.hwAverageCountMode = kAdc16HwAverageCountOf32;
ADC16_DRV_ConfigHwAverage(HWADC_INSTANCE, &hwAverageConfig);
#endif // FSL_FEATURE_ADC16_HAS_HW_AVERAGE
#if FSL_FEATURE_ADC16_HAS_CALIBRATION
// Auto calibration
ADC16_DRV_GetAutoCalibrationParam(HWADC_INSTANCE, &adcCalibraitionParam);
ADC16_DRV_SetCalibrationParam(HWADC_INSTANCE, &adcCalibraitionParam);
#endif
adcChnConfig.chnIdx = ADC16_BANDGAP_CHN;
#if FSL_FEATURE_ADC16_HAS_DIFF_MODE
adcChnConfig.diffConvEnable = false;
#endif
adcChnConfig.convCompletedIntEnable = false;
ADC16_DRV_ConfigConvChn(HWADC_INSTANCE, CHANNEL_0, &adcChnConfig);
// Wait for the conversion to be done
ADC16_DRV_WaitConvDone(HWADC_INSTANCE, CHANNEL_0);
// Get current ADC BANDGAP value
bandgapValue = ADC16_DRV_GetConvValueSigned(HWADC_INSTANCE, CHANNEL_0);
// ADC stop conversion
ADC16_DRV_PauseConv(HWADC_INSTANCE, CHANNEL_0);
// Get VDD value measured in mV: VDD = (ADCR_VDD x V_BG) / ADCR_BG
vdd = ADCR_VDD * V_BG / bandgapValue;
// Calibrate ADCR_TEMP25: ADCR_TEMP25 = ADCR_VDD x V_TEMP25 / VDD
sAdcrTemp25 = ADCR_VDD * V_TEMP25 / vdd;
// ADCR_100M = ADCR_VDD x M x 100 / VDD
sAdcr100m = (ADCR_VDD * M) / (vdd * 10);
#if FSL_FEATURE_ADC16_HAS_HW_AVERAGE
hwAverageConfig.hwAverageEnable = false;
ADC16_DRV_ConfigHwAverage(HWADC_INSTANCE, &hwAverageConfig);
#endif // FSL_FEATURE_ADC16_HAS_HW_AVERAGE
// Disable BANDGAP reference voltage
pmcBandgapConfig.enable = false;
PMC_HAL_BandgapBufferConfig(PMC_BASE_PTR, &pmcBandgapConfig);
}
/*!
* @brief Getting current temperature value.
* @return Current temperature.
*/
int32_t adc16GetCurrentTempValue(void)
{
int32_t currentTemperature = 0;
currentTemperature = (int32_t)(STANDARD_TEMP - ((int32_t)sAdcValue - (int32_t)sAdcrTemp25) * 100 / (int32_t)sAdcr100m);
return currentTemperature;
}
