Default configuration for Microchip MCP47xx DAC with I2C interface. More...

Detailed Description

Default configuration for Microchip MCP47xx DAC with I2C interface.

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

#include "board.h"
#include "mcp47xx.h"
#include "saul_reg.h"
#include "saul/periph.h"

Include dependency graph for mcp47xx_params.h:

Variables
static const mcp47xx_params_t	mcp47xx_params []
	Allocate some memory to store the actual configuration.

static const mcp47xx_saul_dac_params_t	mcp47xx_saul_dac_params []
	Additional meta information to keep in the SAUL registry.

Set default configuration parameters
#define	MCP47XX_PARAM_VARIANT (MCP4725)
	Default MCP47xx variant.

#define	MCP47XX_PARAM_DEV I2C_DEV(0)
	Default I2C device.

#define	MCP47XX_PARAM_ADDR (MCP47XX_BASE_ADDR + 2)
	Default I2C slave address as offset to MCP47XX_BASE_ADDR.

#define	MCP47XX_PARAM_GAIN (MCP47XX_GAIN_1X)
	Default MCP47xx gain selection.

#define	MCP47XX_PARAM_VREF (MCP47XX_VREF_VDD)
	Default MCP47xx V_REF selection.

#define	MCP47XX_PARAM_PD_MODE (MCP47XX_PD_LARGE)
	Default MCP47xx Power-Down mode selection.

#define	MCP47XX_PARAMS
	Default MCP47xx configuration parameters.

#define	MCP47XX_SAUL_DAC_PARAMS
	Example for mapping DAC channels to SAUL.

Macro Definition Documentation

◆ MCP47XX_PARAM_ADDR

#define MCP47XX_PARAM_ADDR (MCP47XX_BASE_ADDR + 2)

Default I2C slave address as offset to MCP47XX_BASE_ADDR.

Definition at line 45 of file mcp47xx_params.h.

◆ MCP47XX_PARAM_DEV

#define MCP47XX_PARAM_DEV I2C_DEV(0)

Default I2C device.

Definition at line 40 of file mcp47xx_params.h.

◆ MCP47XX_PARAM_GAIN

#define MCP47XX_PARAM_GAIN (MCP47XX_GAIN_1X)

Default MCP47xx gain selection.

Definition at line 50 of file mcp47xx_params.h.

◆ MCP47XX_PARAM_PD_MODE

#define MCP47XX_PARAM_PD_MODE (MCP47XX_PD_LARGE)

Default MCP47xx Power-Down mode selection.

Definition at line 60 of file mcp47xx_params.h.

◆ MCP47XX_PARAM_VARIANT

#define MCP47XX_PARAM_VARIANT (MCP4725)

Default MCP47xx variant.

Definition at line 35 of file mcp47xx_params.h.

◆ MCP47XX_PARAM_VREF

#define MCP47XX_PARAM_VREF (MCP47XX_VREF_VDD)

Default MCP47xx V_REF selection.

Definition at line 55 of file mcp47xx_params.h.

◆ MCP47XX_PARAMS

#define MCP47XX_PARAMS

Value:

                            { \
                            .dev = MCP47XX_PARAM_DEV, \
                            .addr = MCP47XX_PARAM_ADDR, \
                            .variant = MCP47XX_PARAM_VARIANT, \
                            .gain = MCP47XX_PARAM_GAIN, \
                            .vref = MCP47XX_PARAM_VREF, \
                            .pd_mode = MCP47XX_PARAM_PD_MODE, \
                        },

Default MCP47xx configuration parameters.

Definition at line 65 of file mcp47xx_params.h.

◆ MCP47XX_SAUL_DAC_PARAMS

#define MCP47XX_SAUL_DAC_PARAMS

Value:

                                    { \
                                    .name = "DAC00", \
                                    .dev = 0, \
                                    .channel = 0, \
                                    .initial = 32768, \
                                },

Example for mapping DAC channels to SAUL.

Definition at line 77 of file mcp47xx_params.h.

Variable Documentation

◆ mcp47xx_params

const mcp47xx_params_t mcp47xx_params[]

static

Initial value:

=
{
    MCP47XX_PARAMS
}

Allocate some memory to store the actual configuration.

Definition at line 89 of file mcp47xx_params.h.

◆ mcp47xx_saul_dac_params

const mcp47xx_saul_dac_params_t mcp47xx_saul_dac_params[]