MCP9808_ex.c File Reference

MCP9808 Driver extensions. More...

#include "MCP9808.h"

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Functions
FctERR	MCP9808_Write_Config (MCP9808_t *const pCpnt, const uint16_t cfg)
	Write MCP9808 configuration.
FctERR	MCP9808_Shutdown (MCP9808_t *const pCpnt, const bool shutdown)
	Write MCP9808 configuration.
FctERR	MCP9808_Set_AlertHysteresis (MCP9808_t *const pCpnt, const MCP9808_hyst hys)
	Set MCP9808 alert hysteresis.
FctERR	MCP9808_Set_AlertType (MCP9808_t *const pCpnt, const bool comparator)
	Set MCP9808 alert type.
FctERR	MCP9808_Set_AlertOutput (MCP9808_t *const pCpnt, const bool en, const bool alt)
	Set MCP9808 alert enable.
FctERR	MCP9808_Set_AlertLock (MCP9808_t *const pCpnt, const MCP9808_alert alt, const bool lock)
	Set MCP9808 alert lock.
FctERR	MCP9808_Set_Resolution (MCP9808_t *const pCpnt, const MCP9808_res res)
	Set MCP9808 Resolution.
FctERR	MCP9808_Get_Resolution (MCP9808_t *const pCpnt, MCP9808_res *const res)
	Get MCP9808 Resolution.
void	MCP9808_Alert_GPIO_Init (MCP9808_t *const pCpnt, GPIO_TypeDef *const GPIOx, const uint16_t GPIO_Pin, const GPIO_PinState GPIO_Active)
	Alert GPIO pin init for MCP9808.
bool	MCP9808_Alert_GPIO_Get (const MCP9808_t *const pCpnt)
	Change GPIO pin getter for MCP9808.

Detailed Description

MCP9808 Driver extensions.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

MCP9808: +/-0.5C Maximum Accuracy Digital Temperature Sensor

Function Documentation

MCP9808_Alert_GPIO_Get()

bool MCP9808_Alert_GPIO_Get

(

const MCP9808_t *const

pCpnt

)

Change GPIO pin getter for MCP9808.

Weak Functions

MCP9808 Change GPIO pin getter may be user implemented if needed

Parameters

[in]

pCpnt

- Pointer to MCP9808 component

Returns

Alert pin state value (0: inactive, 1: active)

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MCP9808_Alert_GPIO_Init()

void MCP9808_Alert_GPIO_Init	(	MCP9808_t *const	pCpnt,
		GPIO_TypeDef *const	GPIOx,
		const uint16_t	GPIO_Pin,
		const GPIO_PinState	GPIO_Active )

Alert GPIO pin init for MCP9808.

Weak Functions

MCP9808 Alert GPIO pin init may be user implemented if needed

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	GPIOx	- Alert port
[in]	GPIO_Pin	- Alert pin
[in]	GPIO_Active	Alert pin active state

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MCP9808_Get_Resolution()

FctERR MCP9808_Get_Resolution	(	MCP9808_t *const	pCpnt,
		MCP9808_res *const	res )

Get MCP9808 Resolution.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in,out]	res	- pointer to Resolution to read to

Returns

FctERR - error code

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MCP9808_Set_AlertHysteresis()

FctERR MCP9808_Set_AlertHysteresis	(	MCP9808_t *const	pCpnt,
		const MCP9808_hyst	hys )

Set MCP9808 alert hysteresis.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	hys	- Alert hysteresis

Returns

FctERR - error code

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MCP9808_Set_AlertLock()

FctERR MCP9808_Set_AlertLock	(	MCP9808_t *const	pCpnt,
		const MCP9808_alert	alt,
		const bool	lock )

Set MCP9808 alert lock.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	alt	- Alert type
[in]	lock	- 0 Unlocked, 1 Locked

Returns

FctERR - error code

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MCP9808_Set_AlertOutput()

FctERR MCP9808_Set_AlertOutput	(	MCP9808_t *const	pCpnt,
		const bool	en,
		const bool	alt )

Set MCP9808 alert enable.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	en	- 0 Disabled, 1 Enabled
[in]	alt	- 0 Low, 1 High

Returns

FctERR - error code

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MCP9808_Set_AlertType()

FctERR MCP9808_Set_AlertType	(	MCP9808_t *const	pCpnt,
		const bool	comparator )

Set MCP9808 alert type.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	comparator	- 0 ???, 1 Comparator

Returns

FctERR - error code

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MCP9808_Set_Resolution()

FctERR MCP9808_Set_Resolution	(	MCP9808_t *const	pCpnt,
		const MCP9808_res	res )

Set MCP9808 Resolution.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	res	- Resolution for MCP9808

Returns

FctERR - error code

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MCP9808_Shutdown()

FctERR MCP9808_Shutdown	(	MCP9808_t *const	pCpnt,
		const bool	shutdown )

Write MCP9808 configuration.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	shutdown	- 0 Normal operation, 1 Shutdown

Returns

FctERR - error code

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MCP9808_Write_Config()

FctERR MCP9808_Write_Config	(	MCP9808_t *const	pCpnt,
		const uint16_t	cfg )

Write MCP9808 configuration.

Parameters

[in]	pCpnt	- Pointer to MCP9808 component
[in]	cfg	- Configuration value

Returns

FctERR - error code

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