libeasymcp2221/mcp2221__analog_8h_source.html

#ifndef MCP2221_ANALOG_H

#define MCP2221_ANALOG_H


#include <stdint.h>


#include "mcp2221.h"


MCP2221_BEGIN_DECLS


MCP2221_API mcp2221_error_code_t mcp2221_analog_set_vdd(

    mcp2221_t *dev,

    double volts);


MCP2221_API mcp2221_error_code_t mcp2221_analog_get_vdd(

    const mcp2221_t *dev,

    double *volts);


MCP2221_API mcp2221_error_code_t mcp2221_adc_config(mcp2221_t *dev, const char *ref_str);


MCP2221_API mcp2221_error_code_t mcp2221_adc_read_raw(mcp2221_t *dev, uint16_t out[3]);


MCP2221_API mcp2221_error_code_t mcp2221_adc_read_normalized(

    mcp2221_t *dev,

    double out[3]);


MCP2221_API mcp2221_error_code_t mcp2221_adc_read_volts(

    mcp2221_t *dev,

    double out[3]);


MCP2221_API mcp2221_error_code_t mcp2221_dac_config(mcp2221_t *dev, const char *ref_str);


MCP2221_API mcp2221_error_code_t mcp2221_dac_config_out(mcp2221_t *dev, const char *ref_str, int out_code);


MCP2221_API mcp2221_error_code_t mcp2221_dac_write_raw(mcp2221_t *dev, uint8_t code);


MCP2221_API mcp2221_error_code_t mcp2221_dac_write_normalized(

    mcp2221_t *dev,

    double normalized);


MCP2221_API mcp2221_error_code_t mcp2221_dac_write_volts(

    mcp2221_t *dev,

    double volts);


MCP2221_API mcp2221_error_code_t mcp2221_clock_config(mcp2221_t *dev, int duty_percent, const char *freq_str);


MCP2221_API mcp2221_error_code_t mcp2221_ioc_read(mcp2221_t *dev, uint8_t *flag);


MCP2221_API mcp2221_error_code_t mcp2221_ioc_clear(mcp2221_t *dev);


MCP2221_API mcp2221_error_code_t mcp2221_ioc_config(mcp2221_t *dev, const char *edge);


MCP2221_END_DECLS

#endif  // MCP2221_ANALOG_H

mcp2221.h
Core MCP2221 device and I2C master API.

mcp2221_t
struct mcp2221_device mcp2221_t
Opaque MCP2221 device handle.
Definition: mcp2221.h:28

mcp2221_dac_write_normalized
mcp2221_error_code_t mcp2221_dac_write_normalized(mcp2221_t *dev, double normalized)
Write a normalized DAC output value.

mcp2221_analog_set_vdd
mcp2221_error_code_t mcp2221_analog_set_vdd(mcp2221_t *dev, double volts)
Store the externally supplied MCP2221 supply voltage.

mcp2221_dac_write_raw
mcp2221_error_code_t mcp2221_dac_write_raw(mcp2221_t *dev, uint8_t code)
Write a raw 5-bit DAC output code.

mcp2221_analog_get_vdd
mcp2221_error_code_t mcp2221_analog_get_vdd(const mcp2221_t *dev, double *volts)
Return the configured MCP2221 supply voltage.

mcp2221_clock_config
mcp2221_error_code_t mcp2221_clock_config(mcp2221_t *dev, int duty_percent, const char *freq_str)
Configure the MCP2221 clock output.

mcp2221_adc_read_volts
mcp2221_error_code_t mcp2221_adc_read_volts(mcp2221_t *dev, double out[3])
Read the three ADC channels as voltages.

mcp2221_dac_config
mcp2221_error_code_t mcp2221_dac_config(mcp2221_t *dev, const char *ref_str)
Configure the DAC voltage reference while preserving its output code.

mcp2221_dac_write_volts
mcp2221_error_code_t mcp2221_dac_write_volts(mcp2221_t *dev, double volts)
Write a DAC output voltage.

mcp2221_adc_read_raw
mcp2221_error_code_t mcp2221_adc_read_raw(mcp2221_t *dev, uint16_t out[3])
Read the three MCP2221 ADC channels as raw 10-bit values.

mcp2221_adc_config
mcp2221_error_code_t mcp2221_adc_config(mcp2221_t *dev, const char *ref_str)
Configure the ADC voltage reference.

mcp2221_ioc_config
mcp2221_error_code_t mcp2221_ioc_config(mcp2221_t *dev, const char *edge)
Configure interrupt-on-change edge detection.

mcp2221_adc_read_normalized
mcp2221_error_code_t mcp2221_adc_read_normalized(mcp2221_t *dev, double out[3])
Read the three ADC channels as normalized values.

mcp2221_ioc_read
mcp2221_error_code_t mcp2221_ioc_read(mcp2221_t *dev, uint8_t *flag)
Read the interrupt-on-change flag.

mcp2221_ioc_clear
mcp2221_error_code_t mcp2221_ioc_clear(mcp2221_t *dev)
Clear the interrupt-on-change flag.

mcp2221_dac_config_out
mcp2221_error_code_t mcp2221_dac_config_out(mcp2221_t *dev, const char *ref_str, int out_code)
Configure the DAC voltage reference and optionally its raw output code.

mcp2221_error_code_t
mcp2221_error_code_t
Error codes used by libeasymcp2221.
Definition: mcp2221_error_codes.h:18

MCP2221_API
#define MCP2221_API
Export or import a public libeasymcp2221 API symbol.
Definition: mcp2221_export.h:35

MCP2221_END_DECLS
#define MCP2221_END_DECLS
End a block started by MCP2221_BEGIN_DECLS.
Definition: mcp2221_export.h:56

MCP2221_BEGIN_DECLS
#define MCP2221_BEGIN_DECLS
Begin a block of declarations using C linkage.
Definition: mcp2221_export.h:55