pca9685_params.h File Reference

Default configuration for the PCA9685 I2C PWM controller. More...

Detailed Description

Default configuration for the PCA9685 I2C PWM controller.

Author

Gunar Schorcht gunar.nosp@m.@sch.nosp@m.orcht.nosp@m..net

Definition in file pca9685_params.h.

#include "board.h"
#include "saul_reg.h"
#include "pca9685.h"

Include dependency graph for pca9685_params.h:

Go to the source code of this file.

Variables
static const pca9685_params_t	pca9685_params []
	Allocate some memory to store the actual configuration. More...
static const pca9685_saul_pwm_params_t	pca9685_saul_pwm_params []
	Additional meta information to keep in the SAUL registry. More...

Set default configuration parameters
#define	PCA9685_PARAM_DEV   I2C_DEV(0)
	device is I2C_DEV(0)
#define	PCA9685_PARAM_ADDR   (PCA9685_I2C_BASE_ADDR + 0)
	device address is PCA9685_I2C_ADDR
#define	PCA9685_PARAM_INV   (false)
	Invert outputs: yes.
#define	PCA9685_PARAM_MODE   (PWM_LEFT)
	PWM mode for all channels: PWM_LEFT.
#define	PCA9685_PARAM_FREQ   (100)
	PWM frequency in Hz: 100.
#define	PCA9685_PARAM_RES   (4096)
	PWM resolution: 4096.
#define	PCA9685_PARAM_OE_PIN   (GPIO_UNDEF)
	Output enable pin: not used.
#define	PCA9685_PARAM_EXT_FREQ   (0)
	EXTCLK frequency and pin: not used.
#define	PCA9685_PARAM_OUT_DRV   (PCA9685_TOTEM_POLE)
	Output driver mode: totem pole.
#define	PCA9685_PARAM_OUT_NE   (PCA9685_OFF)
	Output driver mode: totem pole.
#define	PCA9685_PARAMS
#define	PCA9685_SAUL_PWM_PARAMS
	Example for mapping PWM channels to SAUL. More...

Macro Definition Documentation

PCA9685_PARAMS

#define PCA9685_PARAMS

Value:

                            { \
                            .i2c_dev = PCA9685_PARAM_DEV, \
                            .i2c_addr = PCA9685_PARAM_ADDR, \
                            .inv = PCA9685_PARAM_INV, \
                            .mode = PCA9685_PARAM_MODE, \
                            .freq = PCA9685_PARAM_FREQ, \
                            .res = PCA9685_PARAM_RES, \
                            .ext_freq = PCA9685_PARAM_EXT_FREQ, \
                            .oe_pin = PCA9685_PARAM_OE_PIN, \
                            .out_drv = PCA9685_PARAM_OUT_DRV, \
                            .out_ne = PCA9685_PARAM_OUT_NE, \
                        }

Definition at line 82 of file pca9685_params.h.

PCA9685_SAUL_PWM_PARAMS

#define PCA9685_SAUL_PWM_PARAMS

Value:

                                    { \
                                    .name = "PCA9685-0:0", \
                                    .dev = 0, \
                                    .channel = 0, \
                                    .initial = (PCA9685_PARAM_RES >> 1), \
                                }, \
                                { \
                                    .name = "PCA9685-0:1", \
                                    .dev = 0, \
                                    .channel = 1, \
                                    .initial = (PCA9685_PARAM_RES >> 2), \
                                }, \
                                { \
                                    .name = "PCA9685-0:1", \
                                    .dev = 0, \
                                    .channel = 2, \
                                    .initial = (PCA9685_PARAM_RES >> 3), \
                                },

Example for mapping PWM channels to SAUL.

Definition at line 98 of file pca9685_params.h.

Variable Documentation

pca9685_params

const pca9685_params_t pca9685_params[]

static

Initial value:

=
{
    PCA9685_PARAMS
}

Allocate some memory to store the actual configuration.

Definition at line 122 of file pca9685_params.h.

pca9685_saul_pwm_params

const pca9685_saul_pwm_params_t pca9685_saul_pwm_params[]

static

Initial value:

=
{
    PCA9685_SAUL_PWM_PARAMS
}

Additional meta information to keep in the SAUL registry.

Definition at line 131 of file pca9685_params.h.