PCA9685_proc.c File Reference

PCA9685 Driver procedures. More...

#include "PCA9685.h"
#include <math.h>

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Functions
FctERR	PCA9685_Init_Sequence (PCA9685_t *const pCpnt)
	Initialization Sequence for PCA9685 peripheral.
FctERR	PCA9685_Set_Clock_Freq (PCA9685_t *const pCpnt, const uint32_t freq)
	Sets external clock frequency.

Variables
PCA9685_t	PCA9685 [I2C_PCA9685_NB] = { 0 }
	PCA9685 User structure.

Detailed Description

PCA9685 Driver procedures.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

PCA9685: 16-channel, 12-bit PWM Fm+ I2C-bus LED controller

Function Documentation

PCA9685_Init_Sequence()

FctERR PCA9685_Init_Sequence

(

PCA9685_t *const

pCpnt

)

Initialization Sequence for PCA9685 peripheral.

Weak Functions

PCA9685 Init sequence may be user implemented if custom initialization sequence needed

Parameters

[in]

pCpnt

- Pointer to PCA9685 component

Returns

FctERR - ErrorCode

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PCA9685_Set_Clock_Freq()

FctERR PCA9685_Set_Clock_Freq	(	PCA9685_t *const	pCpnt,
		const uint32_t	freq )

Sets external clock frequency.

Parameters

[in,out]	pCpnt	- Pointer to PCA9685 component
[in]	freq	- External clock frequency in Hz

Returns

FctERR - ErrorCode

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Variable Documentation

PCA9685

PCA9685_t PCA9685[I2C_PCA9685_NB] = { 0 }

PCA9685 User structure.