Class daisy::Mcp23017Transport

ClassList > daisy > Mcp23017Transport

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• #include <mcp23x17.h>

Classes

Type	Name
struct	Config

Public Attributes

Type	Name
daisy::I2CHandle	i2c_
uint8_t	i2c_address_
uint8_t	timeout = {10}

Public Functions

Type	Name
void	Init ()
void	Init (const Config & config)
uint8_t	ReadReg (MCPRegister reg)
void	ReadReg (MCPRegister reg, uint8_t & portA, uint8_t & portB)
I2CHandle::Result	WriteReg (MCPRegister reg, uint8_t val)
I2CHandle::Result	WriteReg (MCPRegister reg, uint8_t portA, uint8_t portB)

Detailed Description

Barebones driver for MCP23017 I2C 16-Bit I/O Expander For now it supports only polling approach.

Usage: Mcp23017 mcp; mcp.Init(); mcp.PortMode(MCP23017Port::A, 0xFF); // Inputs mcp.PortMode(MCP23017Port::B, 0xFF); mcp.Read(); mcp.GetPin(2);

Public Attributes Documentation

variable i2c_

daisy::I2CHandle daisy::Mcp23017Transport::i2c_;

---

variable i2c_address_

uint8_t daisy::Mcp23017Transport::i2c_address_;

---

variable timeout

uint8_t daisy::Mcp23017Transport::timeout;

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Public Functions Documentation

function Init [½]

inline void daisy::Mcp23017Transport::Init () 

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function Init [2/2]

inline void daisy::Mcp23017Transport::Init (
    const  Config & config
) 

---

function ReadReg [½]

inline uint8_t daisy::Mcp23017Transport::ReadReg (
    MCPRegister reg
) 

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function ReadReg [2/2]

inline void daisy::Mcp23017Transport::ReadReg (
    MCPRegister reg,
    uint8_t & portA,
    uint8_t & portB
) 

---

function WriteReg [½]

inline I2CHandle::Result daisy::Mcp23017Transport::WriteReg (
    MCPRegister reg,
    uint8_t val
) 

---

function WriteReg [2/2]

inline I2CHandle::Result daisy::Mcp23017Transport::WriteReg (
    MCPRegister reg,
    uint8_t portA,
    uint8_t portB
) 

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The documentation for this class was generated from the following file external-docs/libDaisy/src/dev/mcp23x17.h