Revision 7:e75913818f75, committed 2016-05-12

Comitter:

j3

Date:

Thu May 12 23:35:32 2016 +0000

Parent:

6:3674af0a03cf

Commit message:

updated docs

Changed in this revision

diff -r 3674af0a03cf -r e75913818f75 max7300.cpp
--- a/max7300.cpp	Fri Oct 16 23:14:22 2015 +0000
+++ b/max7300.cpp	Thu May 12 23:35:32 2016 +0000
@@ -1,16 +1,5 @@
 /******************************************************************//**
 * @file max7300.cpp
-*
-* @author Justin Jordan
-*
-* @version 0.0
-*
-* Started: 14JUL15
-*
-* Updated: 
-*
-* @brief Source file for Max7300 class
-***********************************************************************
 * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a

diff -r 3674af0a03cf -r e75913818f75 max7300.h
--- a/max7300.h	Fri Oct 16 23:14:22 2015 +0000
+++ b/max7300.h	Thu May 12 23:35:32 2016 +0000
@@ -1,16 +1,5 @@
 /******************************************************************//**
 * @file max7300.h
-*
-* @author Justin Jordan
-*
-* @version 0.0
-*
-* Started: 14JUL15
-*
-* Updated: 
-*
-* @brief Header file for Max7300 class
-***********************************************************************
 * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
@@ -49,10 +38,48 @@
 #include "mbed.h"
 
 
+/**
+* @brief 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O 
+* Expander
+*
+* @details The MAX7300 compact, serial-interfaced, I/O expansion 
+* peripheral provides microprocessors with up to 28 ports. Each port
+* is individually user configurable to either a logic input or logic 
+* output.
+* @code
+* #include "mbed.h"
+* #include "max7300.h"
+*
+* int main (void)
+* {
+*      I2C i2c_bus(D14, D15);
+*
+*      Max7300 io_expander(&i2c_bus, Max7300::MAX7300_I2C_ADRS0);   
+*      
+*      for(uint8_t idx = 0; idx < 10; idx++)
+*      {
+*          //configure ports 12 - 21 as outputs
+*          io_expander.config_port((Max7300::max7300_port_number_t) (idx+12), Max7300::MAX7300_PORT_OUTPUT);
+*
+*          //configure ports 22 - 31 as inputs
+*          io_expander.config_port((Max7300::max7300_port_number_t) (idx+22), Max7300::MAX7300_PORT_INPUT);
+*      }
+*
+*      io_expander.enable_ports();
+*      
+*      //rest of application...
+* }
+* @endcode
+*/
 class Max7300
 {
     public:
     
+    /**
+    * @brief Valid 7-bit I2C addresses
+    * @details 16 valid I2C addresses are possible through the 
+    * connection od AD0 and AD1 to Vcc, GND, SDA, or SCL.
+    */
     typedef enum
     {
         MAX7300_I2C_ADRS0 = 0x40,
@@ -74,6 +101,11 @@
     }max7300_i2c_adrs_t;
     
     
+    /**
+    * @brief Valid port configurations
+    * @details Valid port configurations for the MAX7300 are; 
+    * push-pull GPO, schmitt GPI, schmitt GPI with pull-up.
+    */
     typedef enum
     {
         MAX7300_PORT_OUTPUT = 1,
@@ -82,6 +114,10 @@
     }max7300_port_type_t;
         
     
+    /**
+    * @brief Valid port numbers
+    * @details Simple enumeration of port numbers
+    */
     typedef enum
     {
         MAX7300_PORT_04 = 4,
@@ -125,7 +161,8 @@
     *     @param[in] i2c_adrs - 7-bit slave address of MAX7300
     *
     * On Exit:
-    *    @return none
+    *
+    * @return None
     **************************************************************/
     Max7300(I2C *i2c_bus, max7300_i2c_adrs_t i2c_adrs);
     
@@ -142,7 +179,8 @@
     *     @param[in] i2c_adrs - 7-bit slave address of MAX7300
     *
     * On Exit:
-    *    @return none
+    *
+    * @return None
     **************************************************************/
     Max7300(PinName sda, PinName scl, max7300_i2c_adrs_t i2c_adrs);
     
@@ -155,7 +193,8 @@
     * On Entry:
     *
     * On Exit:
-    *    @return none
+    *
+    * @return None
     **************************************************************/
     ~Max7300();
     
@@ -168,7 +207,8 @@
     * On Entry:
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t enable_ports(void);
     
@@ -181,7 +221,8 @@
     * On Entry:
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure 
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t disable_ports(void);
     
@@ -194,7 +235,8 @@
     * On Entry:
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t enable_transition_detection(void);
     
@@ -207,7 +249,8 @@
     * On Entry:
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t disable_transition_detection(void);
     
@@ -226,7 +269,8 @@
     *                            MAX7300_PORT_INPUT_PULLUP
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t config_port(max7300_port_number_t port_num, max7300_port_type_t port_type);
     
@@ -244,7 +288,8 @@
     *                      the following format - xx|xx|xx|xx
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t config_4_ports(max7300_port_number_t low_port, uint8_t data);
     
@@ -261,7 +306,8 @@
     *                            MAX7300_PORT_INPUT_PULLUP
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t config_all_ports(max7300_port_type_t port_type);
     
@@ -275,7 +321,8 @@
     *    @param[in] port_num - MAX7300 port number to read
     *
     * On Exit:
-    *    @return state of port, or -1 on failure
+    *
+    * @return State of port, or -1 on failure
     **************************************************************/
     int16_t read_port(max7300_port_number_t port_num);
     
@@ -290,7 +337,8 @@
     *    @param[in] data - lsb of byte is written to port
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t write_port(max7300_port_number_t port_num, uint8_t data);
     
@@ -306,7 +354,8 @@
     *                          Max is port 24
     *
     * On Exit:
-    *    @return state of ports, or -1 on failure
+    *
+    * @return State of ports, or -1 on failure
     **************************************************************/
     int16_t read_8_ports(max7300_port_number_t low_port);
     
@@ -324,7 +373,8 @@
     *    @param[in] data - Data is written to ports
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t write_8_ports(max7300_port_number_t low_port, uint8_t data);
     
@@ -340,7 +390,8 @@
     *                                 detection
     *
     * On Exit:
-    *    @return contents of mask register, or -1 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t read_mask_register(bool enable_snapshot);
     
@@ -355,7 +406,8 @@
     *    @param[in] data - Bits to set
     *
     * On Exit:
-    *    @return 0 on success, non-0 on failure
+    *
+    * @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t write_mask_register(uint8_t data);