3.3.4 Peripheral Library Interface

EMAFE peripheral library provides the following interfaces:

Table 3-3. EMAFE Functions
Name	Description
EMAFE_Initialize	Initializes the EMAFE peripheral.
EMAFE_Reset	Resets the EMAFE peripheral by using EMAFE_NRESET GPIO.
EMAFE_SoftReset	Resets the EMAFE peripheral by using peripheral register.
EMAFE_SetSincDecimationFiltersReset	Enters/exits the reset state of low-pass filters.
EMAFE_EnableFilter	Enables the corresponding low-pass filter.
EMAFE_DisableFilter	Disables the corresponding low-pass filter.
EMAFE_EnableDMAChannel	Enables the corresponding DMA channel.
EMAFE_DisableDMAChannel	Disables the corresponding DMA channel.
EMAFE_GetDataChannel	Get the last sample of the corresponding low-pass filter.
EMAFE_GetAllDataChannel	Get the last samples of all low-pass filters.
EMAFE_EnableVariationDetection	Enables the detection of variation of the filtered data.
EMAFE_DisableVariationDetection	Disables the detection of variation of the filtered data.
EMAFE_IsEnableVariationDetection	Check if the detection of variation has been enabled.
EMAFE_SetDifferenceComparisonMode	Set the comparison mode between two channels.
EMAFE_SetDataFormat	Set data format of the captured samples.
EMAFE_SetClockPrescalerRatio	Set the clock prescaler ratio in the low-pass filter.
EMAFE_SetOSR	Set OSR of the decimation filters.
EMAFE_SetComparisonModeChannelA	Set the comparison mode between channel A and two thresholds.
EMAFE_SetComparisonModeChannelB	Set the comparison mode between channel B and two thresholds.
EMAFE_EnableInterrupt	Enables interrupt flags.
EMAFE_DisableInterrupt	Disables interrupt flags.
EMAFE_GetInterruptMask	Read interrupt flags mask.
EMAFE_GetInterruptSatus	Read interrupt flags status.
EMAFE_GetStatus	Read comparison events on Channel A and B.
EMAFE_WriteProtectionSet	Set write protection mode.
EMAFE_WriteProtectionGet	Get write protection state.
EMAFE_CallbackRegister	Sets a callback function that is called when interrupt is raised.

Table 3-4. EMAFE ADC Functions
Name	Description
EMAFE_ADCI0Enable	Enable ADC I0.
EMAFE_ADCI0Disable	Disable ADC I0.
EMAFE_ADCI0IsEnable	Check if ADC I0 is enabled.
EMAFE_ADCI1Enable	Enable ADC I1.
EMAFE_ADCI1Disable	Disable ADC I1.
EMAFE_ADCI1IsEnable	Check if ADC I1 is enabled.
EMAFE_ADCV1Enable	Enable ADC V1.
EMAFE_ADCV1Disable	Disable ADC V1.
EMAFE_ADCV1IsEnable	Check if ADC V1 is enabled.
EMAFE_ADCI2Enable	Enable ADC I2.
EMAFE_ADCI2Disable	Disable ADC I2.
EMAFE_ADCI2IsEnable	Check if ADC I2 is enabled.
EMAFE_ADCV2Enable	Enable ADC V2.
EMAFE_ADCV2Disable	Disable ADC V2.
EMAFE_ADCV2IsEnable	Check if ADC V2 is enabled.
EMAFE_ADCSetClockConfig	Set ADC clocks configuration.
EMAFE_ADCEnableBIAS	Enable Current Bias Generator.
EMAFE_ADCDisableBIAS	Disable Current Bias Generator.
EMAFE_ADCIsBIASEnable	Check if Current Bias Generator is enabled.
EMAFE_ADCEnableREF	Enable Voltage Reference.
EMAFE_ADCDisableREF	Disable Voltage Reference.
EMAFE_ADCIsREFEnable	Check if Voltage Reference is enabled.
EMAFE_ADCEnableLDO	Enable internal LDO.
EMAFE_ADCDisableLDO	Disable internal LDO
EMAFE_ADCIsLDOEnable	Check if internal LDO is enabled.
EMAFE_ADCIsAnalogSystemReady	Check if analog system is ready.
EMAFE_ADCEnableSoftReset	Set ADCs in reset state.
EMAFE_ADCDisableSoftReset	Exits the ADCs reset state.
EMAFE_ADCSetSecurityControls	Configure the security options of the analog system.
EMAFE_ADCGetSecurityControls	Get the security options of the analog system.
EMAFE_ADCGGetVREFLowTemp	Get the Voltage Reference at low temperature.
EMAFE_ADCGGetTEMPLowTemp	Get the Temperature Sensor at low temperature.
EMAFE_ADCGGetVREFHighTemp	Get the Voltage Reference at high temperature.
EMAFE_ADCGGetTEMPHighTemp	Get the Temperature Sensor at high temperature.

Table 3-5. EMAFE Types
Name	Type	Description
EMAFE_STATUS	Enum	Identifies the EMAFE status.
EMAFE_CHANNEL_ID	Enum	Identifies the EMAFE channel.
EMAFE_COMP_CHANNEL_ID	Enum	Identifies the channel used to perform a comparison.
EMAFE_DIFF_COMPARISON_TYPE	Enum	Identifies the type of comparison between two channels.
EMAFE_DIFF_COMPARISON_DATA	Struct	Describes the data used to perform a comparison between two channels.
EMAFE_CONDITION_TYPE	Enum	Identifies the condition applied for detection on channel A/B.
EMAFE_COMPARISON_DATA	Struct	Describes the data used to perform a comparison between one channel and threshold.