Diff: max14661.h

Revision:

0:c770ad7363c8

Child:

1:c1fdfe4c2354

diff -r 000000000000 -r c770ad7363c8 max14661.h
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+++ b/max14661.h	Mon Nov 17 21:22:48 2014 +0000
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+/******************************************************************//**
+* @file max14661.h
+*
+* @author Justin Jordan
+*
+* @version 0.0
+*
+* Started: 11NOV14
+*
+* Updated: 
+*
+* @brief Header file for MAX14661 class
+*
+***********************************************************************
+*
+* @copyright 
+* Copyright (C) 2013 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+**********************************************************************/
+
+
+#ifndef MAX14661_H
+#define MAX14661_H
+
+
+#include "mbed.h"
+
+
+//MAX14661 I2C Addresses
+typedef enum
+{
+    MAX14661_I2C_ADRS0 = 0x4C,
+    MAX14661_I2C_ADRS1,
+    MAX14661_I2C_ADRS2,
+    MAX14661_I2C_ADRS3
+}max14661_i2c_adrs_t;
+
+
+//MAX14661 I2C register addresses
+typedef enum
+{
+    DIR0,         //Switches 8A–1A direct read/write access
+    DIR1,         //Switches 16A–9A direct read/write access
+    DIR2,         //Switches 8B–1B direct read/write access
+    DIR3,         //Switches 16B–9B direct read/write access
+    SHDW0 = 0x10, //Switches 8A–1A shadow read/write access
+    SHDW1,        //Switches 16A–9A shadow read/write access
+    SHDW2,        //Switches 8B–1B shadow read/write access
+    SHDW3,        //Switches 16B–9B shadow read/write access
+    CMD_A,        //Set mux A command (reads 0x00)
+    CMD_B         //Set mux B command (reads 0x00)
+}max14661_regs_t;
+
+
+//MAX14661 I2C commands
+typedef enum
+{
+    ENABLE_SW01,     //enables sw1 on bank only
+    ENABLE_SW02,     //enables sw2 on bank only
+    ENABLE_SW03,     //enables sw3 on bank only
+    ENABLE_SW04,     //enables sw4 on bank only
+    ENABLE_SW05,     //enables sw5 on bank only
+    ENABLE_SW06,     //enables sw6 on bank only
+    ENABLE_SW07,     //enables sw7 on bank only
+    ENABLE_SW08,     //enables sw8 on bank only
+    ENABLE_SW09,     //enables sw9 on bank only
+    ENABLE_SW10,     //enables sw10 on bank only
+    ENABLE_SW11,     //enables sw11 on bank only
+    ENABLE_SW12,     //enables sw12 on bank only
+    ENABLE_SW13,     //enables sw13 on bank only
+    ENABLE_SW14,     //enables sw14 on bank only
+    ENABLE_SW15,     //enables sw15 on bank only
+    ENABLE_SW16,     //enables sw16 on bank only
+    DISABLE_BANK,    //opens all switches on bank
+    C0PY_SHADOW,     //copies both shadow registers for bank
+    NO_CHANGE,
+}max14661_cmds_t;
+
+
+//MAX14661 I2C switch bitmasks
+typedef enum
+{
+    SW01 = (1 << 0),
+    SW02 = (1 << 1),
+    SW03 = (1 << 2),
+    SW04 = (1 << 3),
+    SW05 = (1 << 4),
+    SW06 = (1 << 5),
+    SW07 = (1 << 6),
+    SW08 = (1 << 7),
+    SW09 = (1 << 8),
+    SW10 = (1 << 9),
+    SW11 = (1 << 10),
+    SW12 = (1 << 11),
+    SW13 = (1 << 12),
+    SW14 = (1 << 13),
+    SW15 = (1 << 14),
+    SW16 = (1 << 15)
+}max14661_sw_t;
+    
+
+/******************************************************************//**
+* Max14661 Class
+**********************************************************************/
+class Max14661
+{
+    //private members
+    I2C* p_i2c;
+    uint8_t w_adrs, r_adrs;
+    
+    public:
+        /**********************************************************//**
+        * Instantiates object and attaches MAX14661 to I2C buss
+        *
+        * On Entry:
+        *     @param[in] p_i2c - pointer to I2C object for bus
+        *     @param[in] i2c_adrs - 7-bit slave address of MAX14661
+        *
+        * On Exit:
+        *    @return none
+        *
+        * Example:
+        * @code
+        * 
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0); 
+        *
+        * @endcode
+        **************************************************************/
+        Max14661(I2C* ptr_i2c_bus, max14661_i2c_adrs_t i2c_adrs);
+        
+        
+        /******************************************************************//**
+        * Writes given commands to CMD_A and CMD_B
+        *
+        * On Entry:
+        *     @param[in] cmdA - command for CMD_A
+        *     @param[in] cmdB - command for CMD_B
+        *
+        * On Exit:
+        *     @return return value = 0 on success, non-0 on failure
+        *
+        * Example:
+        * @code
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * uint16_t rtn_val;  
+        *
+        * rtn_val = mux.wrt_cmd_registers(DISABLE_BANK, DISABLE_BANK);
+        * 
+        * @endcode
+        **********************************************************************/
+        uint16_t wrt_cmd_registers(max14661_cmds_t cmdA, 
+                                  max14661_cmds_t cmdB);
+        
+        
+        /******************************************************************//**
+        * Writes data pointed at by 'data' to shadow registers 
+        *
+        * On Entry:
+        *     @param[in] data - pointer to data 
+        *
+        * On Exit:
+        *     @return return value = 0 on success, non-0 on failure
+        *
+        * Example:
+        * @code
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * uint8_t data[] = {1, 2, 3, 4};
+        * uint16_t rtn_val;  
+        *  
+        * //wite shadow registers
+        * rtn_val = mux.wrt_shadow_registers(data);
+        *
+        * @endcode
+        **********************************************************************/
+        uint16_t wrt_shadow_registers(uint8_t* data);
+        
+        
+        /******************************************************************//**
+        * Writes data pointed at by 'data' to direct access registers 
+        *
+        * On Entry:
+        *     @param[in] data - pointer to data to be written
+        *
+        * On Exit:
+        *     @return return value = 0 on success, non-0 on failure
+        *
+        * Example:
+        * @code
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * uint8_t data[] = {1, 2, 3, 4};
+        * uint16_t rtn_val;  
+        *  
+        * //wite shadow registers
+        * rtn_val = mux.wrt_shadow_registers(data);
+        *
+        * @endcode
+        **********************************************************************/
+        uint16_t wrt_dir_registers(uint8_t* data);
+                                   
+                                   
+        /**********************************************************//**
+        * Reads data from direct access registers starting at DIR0 and 
+        * stores it in byte array pointed at by 'data'
+        *
+        * On Entry:
+        *     @param[in] data - pointer to byte array for storing data
+        *
+        * On Exit:
+        *     @param[out] data - data buffer now contains data read 
+        *                        from dir registers
+        *     @return return value = 0 on success, non-0 on failure
+        *
+        * Example:
+        * @code
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * uint16_t rtn_val;  
+        * uint8_t data[4];
+        * 
+        * //read direct access registers
+        * rtn_val = mux.rd_dir_registers(data);
+        *
+        * @endcode
+        **********************************************************************/
+        uint16_t rd_dir_registers(uint8_t* data);
+        
+        
+        /**********************************************************//**
+        * Reads data from shadow registers starting at SHDW0 and stores 
+        * it in byte array pointed at by 'data'
+        *
+        * On Entry:
+        *     @param[in] data - pointer to byte array for storing data
+        *
+        * On Exit:
+        *     @param[out] data - data buffer now contains data read 
+        *                        from shadow registers
+        *     @return return value = 0 on success, non-0 on failure
+        *
+        * Example:
+        * @code
+        *
+        * I2C i2c_bus(D14, D15); //instantiate I2C bus
+        * I2C * p_i2c_bus = &i2c_bus; //create pointer to bus
+        * 
+        * //instantiate mux object
+        * Max14661 mux(p_i2c_bus, MAX14661_I2C_ADRS0);   
+        *
+        * uint16_t rtn_val;  
+        * uint8_t data[4];
+        * 
+        * //read shadow registers
+        * rtn_val = mux.rd_shadow_registers(data);
+        *
+        * @endcode
+        **************************************************************/   
+        uint16_t rd_shadow_registers(uint8_t* data);  
+};
+                                  
+                                          
+#endif /* MAX14661_H*/