max7300.h

Go to the documentation of this file.

/******************************************************************/
#ifndef MAX7300_H
#define MAX7300_H

#include "mbed.h"


class Max7300
{
    public:
    
    typedef enum
    {
        MAX7300_I2C_ADRS0 = 0x40,
        MAX7300_I2C_ADRS1,
        MAX7300_I2C_ADRS2,
        MAX7300_I2C_ADRS3,
        MAX7300_I2C_ADRS4,
        MAX7300_I2C_ADRS5,
        MAX7300_I2C_ADRS6,
        MAX7300_I2C_ADRS7,
        MAX7300_I2C_ADRS8,
        MAX7300_I2C_ADRS9,
        MAX7300_I2C_ADRS10,
        MAX7300_I2C_ADRS11,
        MAX7300_I2C_ADRS12,
        MAX7300_I2C_ADRS13,
        MAX7300_I2C_ADRS14,
        MAX7300_I2C_ADRS15
    }max7300_i2c_adrs_t;
    
    
    typedef enum
    {
        MAX7300_PORT_OUTPUT = 1,
        MAX7300_PORT_INPUT,
        MAX7300_PORT_INPUT_PULLUP
    }max7300_port_type_t;
        
    
    typedef enum
    {
        MAX7300_PORT_04 = 4,
        MAX7300_PORT_05,
        MAX7300_PORT_06,
        MAX7300_PORT_07,
        MAX7300_PORT_08,
        MAX7300_PORT_09,
        MAX7300_PORT_10,
        MAX7300_PORT_11,
        MAX7300_PORT_12,
        MAX7300_PORT_13,
        MAX7300_PORT_14,
        MAX7300_PORT_15,
        MAX7300_PORT_16,
        MAX7300_PORT_17,
        MAX7300_PORT_18,
        MAX7300_PORT_19,
        MAX7300_PORT_20,
        MAX7300_PORT_21,
        MAX7300_PORT_22,
        MAX7300_PORT_23,
        MAX7300_PORT_24,
        MAX7300_PORT_25,
        MAX7300_PORT_26,
        MAX7300_PORT_27,
        MAX7300_PORT_28,
        MAX7300_PORT_29,
        MAX7300_PORT_30,
        MAX7300_PORT_31
    }max7300_port_number_t;
    
    
    /**********************************************************/
    Max7300(I2C *i2c_bus, max7300_i2c_adrs_t i2c_adrs);
    
    
    /**********************************************************/
    Max7300(PinName sda, PinName scl, max7300_i2c_adrs_t i2c_adrs);
    
    
    /**********************************************************/
    ~Max7300();
    
    
    /**********************************************************/
    int16_t enable_ports(void);
    
    
    /**********************************************************/
    int16_t disable_ports(void);
    
    
    /**********************************************************/
    int16_t enable_transition_detection(void);
    
    
    /**********************************************************/
    int16_t disable_transition_detection(void);
    
    
    /**********************************************************/
    int16_t config_port(max7300_port_number_t port_num, max7300_port_type_t port_type);
    
    
    /**********************************************************/
    int16_t config_4_ports(max7300_port_number_t low_port, uint8_t data);
    
    
    /**********************************************************/
    int16_t config_all_ports(max7300_port_type_t port_type);
    
    
    /**********************************************************/
    int16_t read_port(max7300_port_number_t port_num);
    
    
    /**********************************************************/
    int16_t write_port(max7300_port_number_t port_num, uint8_t data);
    
    
    /**********************************************************/
    int16_t read_8_ports(max7300_port_number_t low_port);
    
    
    /**********************************************************/
    int16_t write_8_ports(max7300_port_number_t low_port, uint8_t data);
    
    
     /**********************************************************/
    int16_t read_mask_register(bool enable_snapshot);
    
    
    /**********************************************************/
    int16_t write_mask_register(uint8_t data);
    
    
    private:
    
    I2C *_p_i2c;
    bool _i2c_owner;
    uint8_t _w_adrs;
    uint8_t _r_adrs;
    
    int16_t write_config_register(bool set_clear, uint8_t data);
    
};
#endif /* MAX7300_H*/