foxBMS - Unit Tests  1.3.0
The foxBMS Unit Tests API Documentation
nxp_afe.c File Reference

AFE driver implementation for NXP ICs. More...

#include "general.h"
#include "afe.h"
#include "afe_dma.h"
#include "dma.h"
#include "n775.h"
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Functions

STD_RETURN_TYPE_e AFE_TriggerIc (void)
 
STD_RETURN_TYPE_e AFE_Initialize (void)
 
STD_RETURN_TYPE_e AFE_StartMeasurement (void)
 Makes the initialization request to the AFE state machine. More...
 
bool AFE_IsFirstMeasurementCycleFinished (void)
 Checks if the first AFE measurement cycle was made. More...
 
STD_RETURN_TYPE_e AFE_RequestIoWrite (uint8_t string)
 Makes the request to the AFE state machine to write to the IO port-expander. More...
 
STD_RETURN_TYPE_e AFE_RequestIoRead (uint8_t string)
 Makes the request to the AFE state machine to read from the IO port-expander. More...
 
STD_RETURN_TYPE_e AFE_RequestTemperatureRead (uint8_t string)
 Makes the request to the AFE state machine to read from the external temperature sensor on slaves. More...
 
STD_RETURN_TYPE_e AFE_RequestBalancingFeedbackRead (uint8_t string)
 Makes the request to the AFE state machine to read balancing feedback from the slaves. More...
 
STD_RETURN_TYPE_e AFE_RequestEepromRead (uint8_t string)
 Makes the request to the AFE state machine to read from the external EEPROM on slaves. More...
 
STD_RETURN_TYPE_e AFE_RequestEepromWrite (uint8_t string)
 Makes the request to the AFE state machine to write to the external EEPROM on slaves. More...
 
STD_RETURN_TYPE_e AFE_RequestOpenWireCheck (uint8_t string)
 Makes the request to the AFE state machine to perform open-wire check. More...
 

Detailed Description

AFE driver implementation for NXP ICs.

SPDX-License-Identifier: BSD-3-Clause

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Author
foxBMS Team
Date
2020-05-25 (date of creation)
Updated
2022-05-30 (date of last update)
Version
v1.3.0
Prefix
AFE

Definition in file nxp_afe.c.

Function Documentation

◆ AFE_Initialize()

STD_RETURN_TYPE_e AFE_Initialize ( void  )

initializer, this function is called in order to initialize the AFE

Definition at line 79 of file nxp_afe.c.

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◆ AFE_IsFirstMeasurementCycleFinished()

bool AFE_IsFirstMeasurementCycleFinished ( void  )

Checks if the first AFE measurement cycle was made.

this function returns whether the first measurement cycle has finished

Returns
true is the first measurement cycle was made, false otherwise

Definition at line 93 of file nxp_afe.c.

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◆ AFE_RequestBalancingFeedbackRead()

STD_RETURN_TYPE_e AFE_RequestBalancingFeedbackRead ( uint8_t  string)

Makes the request to the AFE state machine to read balancing feedback from the slaves.

Parameters
stringstring addressed by the request

Definition at line 115 of file nxp_afe.c.

◆ AFE_RequestEepromRead()

STD_RETURN_TYPE_e AFE_RequestEepromRead ( uint8_t  string)

Makes the request to the AFE state machine to read from the external EEPROM on slaves.

Parameters
stringstring addressed by the request

Definition at line 121 of file nxp_afe.c.

◆ AFE_RequestEepromWrite()

STD_RETURN_TYPE_e AFE_RequestEepromWrite ( uint8_t  string)

Makes the request to the AFE state machine to write to the external EEPROM on slaves.

Parameters
stringstring addressed by the request

Definition at line 127 of file nxp_afe.c.

◆ AFE_RequestIoRead()

STD_RETURN_TYPE_e AFE_RequestIoRead ( uint8_t  string)

Makes the request to the AFE state machine to read from the IO port-expander.

Parameters
stringstring addressed by the request

Definition at line 103 of file nxp_afe.c.

◆ AFE_RequestIoWrite()

STD_RETURN_TYPE_e AFE_RequestIoWrite ( uint8_t  string)

Makes the request to the AFE state machine to write to the IO port-expander.

Parameters
stringstring addressed by the request

Definition at line 97 of file nxp_afe.c.

◆ AFE_RequestOpenWireCheck()

STD_RETURN_TYPE_e AFE_RequestOpenWireCheck ( uint8_t  string)

Makes the request to the AFE state machine to perform open-wire check.

Parameters
stringstring addressed by the request

Definition at line 133 of file nxp_afe.c.

◆ AFE_RequestTemperatureRead()

STD_RETURN_TYPE_e AFE_RequestTemperatureRead ( uint8_t  string)

Makes the request to the AFE state machine to read from the external temperature sensor on slaves.

Parameters
stringstring addressed by the request

Definition at line 109 of file nxp_afe.c.

◆ AFE_StartMeasurement()

STD_RETURN_TYPE_e AFE_StartMeasurement ( void  )

Makes the initialization request to the AFE state machine.

this function should tell the AFE that it should start measuring

Returns
true or false

Definition at line 83 of file nxp_afe.c.

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◆ AFE_TriggerIc()

STD_RETURN_TYPE_e AFE_TriggerIc ( void  )

tick function, this function is called to advance the state machine

Definition at line 74 of file nxp_afe.c.

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