Motor Driver/DRV8353

Data Structures
struct	DRV8353_Instance
	Defines DRV8353 instance. More...

Macros
#define	DRV8353_ADDR_MASK   (0x7E00)
	Defines the address mask.
#define	DRV8353_DATA_MASK   (0x00FF)
	Defines the data mask.
#define	DRV8353_DATA_TRANSMIT_TO_READ   (0x00)
	Defines the data transmitted while reading a register.
#define	DRV8353_INITIAL_PARITY   (0x00)
	Defines the initial parity of command word.
#define	DRV8353_PARITY_CHECK   (0x01)
	Defines the parity checking bit.
#define	DRV8353_RIGHT_SHIFT_REGISTER   (1)
	Defines the number of bits right shifted.
#define	DRV8353_PARITY_BIT_POSITION   (8)
	Defines the position of the parity in command word.
#define	DRV8353_ADDR_BIT_POSITION   (9)
	Defines the position of the parity in command word.
#define	DRV8353_SPICMD_BIT_POSITION   (15)
	Defines the position of the parity in command word.
#define	DRV8353_CLEAR_BIT_MASK   (0x01)
	Defines the claer bit mask.
#define	DRV8353_MAXIMUM_RESET_TIME   (40)
	Defines the time to clear the nSLEEP pin to reset faults.
#define	DRV8353_MAXIMUM_WAKEUP_TIME   (2000)
	Defines the time to wakeup the drv after reset.
#define	DRV8353_VOLTAGE_CONV_CONST   _IQ20(39.582)
	Defines voltage conversion constant.
#define	DRV8353_CSA_REF_VOLTAGE   (3300)
	Defines CSA reference voltage.

Enumerations
enum	DRV8353_DRV_NSLEEP_STAT {   DRV8353_DRV_NSLEEP_SLEEP = HAL_GPIO_PIN_LOW,   DRV8353_DRV_NSLEEP_AWAKE = HAL_GPIO_PIN_HIGH }

Functions
__STATIC_INLINE void	DRV8353_setnSleep (DRV8353_Instance *drvHandle, DRV8353_DRV_NSLEEP_STAT value)
	set nSleep More...
void	DRV8353_init (DRV8353_Instance *drvHandle)
	initialize the drv8353 module More...
void	DRV8353_enable (DRV8353_Instance *drvHandle)
	Enable DRV. More...
void	DRV8353_updateCSAScaleFactor (DRV8353_Instance *drvHandle, uint16_t csa)
	updates the current gain scale factor More...
_iq20	DRV8353_getVoltage (HAL_ADC_CHAN chan)
	Get voltage from adc channel. More...
_iq20	DRV8353_getCurrent (HAL_ADC_CHAN chan, DRV8353_Instance *drvHandle, _iq20 vRef)
	Get current from adc channel. More...
void	DRV8353_ADCVRefSel (HAL_ADC_VREF adcRef, HAL_ADC_CHAN chan, HAL_ADC_INT_VREF internalVRef, uint16_t externalVRef)
	updates the adc voltage reference More...
__STATIC_INLINE _iq20	DRV8353_getcsaVref (uint16_t vRef)
	get Current reference in IQ20 More...

Detailed Description

Enumeration Type Documentation

DRV8353_DRV_NSLEEP_STAT

enum DRV8353_DRV_NSLEEP_STAT

Enumerator
DRV8353_DRV_NSLEEP_SLEEP	Define NSLEEP PIN LOW.
DRV8353_DRV_NSLEEP_AWAKE	Define NSLEEP PIN HIGH.

Function Documentation

DRV8353_setnSleep()

__STATIC_INLINE void DRV8353_setnSleep	(	DRV8353_Instance *	drvHandle,
		DRV8353_DRV_NSLEEP_STAT	value
	)

set nSleep

Parameters

[in]	drvHandle	The drv instance
[in]	value	nSleep value

References DRV8353_ADCVRefSel(), DRV8353_DRV_NSLEEP_AWAKE, DRV8353_DRV_NSLEEP_SLEEP, DRV8353_enable(), DRV8353_getCurrent(), DRV8353_getVoltage(), DRV8353_init(), DRV8353_MAXIMUM_WAKEUP_TIME, DRV8353_updateCSAScaleFactor(), HAL_delayMicroSeconds(), HAL_GPIO_PIN_HIGH, HAL_GPIO_PIN_LOW, HAL_writeGPIOPin(), and DRV8353_Instance::nsleep.

Referenced by DRV8353_enable().

DRV8353_init()

void DRV8353_init

(

DRV8353_Instance *

drvHandle

)

initialize the drv8353 module

Parameters

[in]

drvHandle

The drv instance

References HAL_enableADCInterrupt(), DRV8353_Instance::IsenA, DRV8353_Instance::IsenB, DRV8353_Instance::IsenC, DRV8353_Instance::Vsen, DRV8353_Instance::VsenA, DRV8353_Instance::VsenB, and DRV8353_Instance::VsenC.

Referenced by DRV8353_setnSleep().

DRV8353_enable()

void DRV8353_enable

(

DRV8353_Instance *

drvHandle

)

Enable DRV.

Parameters

[in]

drvHandle

The drv instance

References DRV8353_DRV_NSLEEP_AWAKE, DRV8353_DRV_NSLEEP_SLEEP, and DRV8353_setnSleep().

Referenced by DRV8353_setnSleep().

DRV8353_updateCSAScaleFactor()

void DRV8353_updateCSAScaleFactor	(	DRV8353_Instance *	drvHandle,
		uint16_t	csa
	)

updates the current gain scale factor

Parameters

[in]	drvHandle	The drv instance
[in]	csa	DRV8353 CSA gain value

References DRV8353_Instance::csa_sf.

Referenced by DRV8353_setnSleep().

DRV8353_getVoltage()

_iq20 DRV8353_getVoltage

(

HAL_ADC_CHAN

chan

)

Get voltage from adc channel.

Parameters

[in]

chan

The ADC channel name

Returns

Return

References DRV8353_VOLTAGE_CONV_CONST, and HAL_getIQ20VoltageFromADC().

Referenced by DRV8353_setnSleep().

DRV8353_getCurrent()

_iq20 DRV8353_getCurrent	(	HAL_ADC_CHAN	chan,
		DRV8353_Instance *	drvHandle,
		_iq20	vRef
	)

Get current from adc channel.

Parameters

[in]	chan	The ADC channel name
[in]	drvHandle	The drv instance
[in]	vRef	voltage reference for current

Returns

Return

References DRV8353_Instance::csa_sf, and HAL_getIQ20VoltageFromADC().

Referenced by DRV8353_setnSleep().

DRV8353_ADCVRefSel()

void DRV8353_ADCVRefSel	(	HAL_ADC_VREF	adcRef,
		HAL_ADC_CHAN	chan,
		HAL_ADC_INT_VREF	internalVRef,
		uint16_t	externalVRef
	)

updates the adc voltage reference

Parameters

[in]	adcRef	ADC voltage reference
[in]	chan	ADC channel name
[in]	internalVRef	Internal reference voltage
[in]	externalVRef	External reference voltage

References HAL_ADC_VREF_EXTERNAL, HAL_ADC_VREF_INTERNAL, HAL_ADC_VREF_VDDA, HAL_setADCVRefExternal(), HAL_setADCVRefInternal(), and HAL_setADCVRefVDDA().

Referenced by DRV8353_setnSleep().

DRV8353_getcsaVref()

__STATIC_INLINE _iq20 DRV8353_getcsaVref

(

uint16_t

vRef

)

get Current reference in IQ20

Parameters

[in]

vRef

CSA reference voltage in milli volts

Returns

_iq20 CSA reference voltage in _iq20 format