MAX32620HSP (MAXREFDES100) RPC Example for Graphical User Interface

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HspLed.h

00001 /*******************************************************************************
00002  * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a
00005  * copy of this software and associated documentation files (the "Software"),
00006  * to deal in the Software without restriction, including without limitation
00007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008  * and/or sell copies of the Software, and to permit persons to whom the
00009  * Software is furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included
00012  * in all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017  * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018  * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020  * OTHER DEALINGS IN THE SOFTWARE.
00021  *
00022  * Except as contained in this notice, the name of Maxim Integrated
00023  * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024  * Products, Inc. Branding Policy.
00025  *
00026  * The mere transfer of this software does not imply any licenses
00027  * of trade secrets, proprietary technology, copyrights, patents,
00028  * trademarks, maskwork rights, or any other form of intellectual
00029  * property whatsoever. Maxim Integrated Products, Inc. retains all
00030  * ownership rights.
00031  *******************************************************************************
00032  */
00033 #ifndef _LED_H_
00034 #define _LED_H_
00035 
00036 #include "mbed.h"
00037 
00038 /**
00039  * Driver for the HSP Led, supports different blink rates and patterns
00040  *
00041  */
00042 
00043 class HspLed {
00044 public:
00045   static const int LED_ON = 0;
00046   static const int LED_OFF = 1;
00047 
00048   /// define all of the modes the LED can support
00049   typedef enum eMode {
00050     eLedOn,
00051     eLedOff,
00052     eLedPeriod,
00053     eLedPattern
00054   } eMode_t;
00055   /// define the values that turn the LED on or off at the pin
00056   #define HSP_LED_ON 0
00057   #define HSP_LED_OFF 1
00058 
00059   /*
00060   * @brief Constructor where you specify the LED pin name
00061   */
00062   HspLed(PinName ledPin);
00063   
00064   /**
00065   * @brief Blink the HSP LED at a set time interval
00066   * @param mSeconds Number of seconds to set the timer interval
00067   */
00068   void blink(uint32_t mSeconds);
00069   
00070   /**
00071   * @brief Start rotating the LED through a 32-bit pattern at a mS rate specified
00072   * @param pattern 32-bit pattern to rotate through
00073   * @param mSeconds the amount of time to take per bit in the pattern
00074   */ 
00075   void pattern(uint32_t pattern, uint32_t mSeconds);
00076   
00077   /**
00078   * @brief Turn the LED on
00079   */
00080   void on(void);
00081   
00082   /**
00083   * @brief Turn the LED off
00084   */
00085   void off(void);
00086 
00087   /**
00088   * @brief Update the LED
00089   */ 
00090   void service(void);
00091 
00092 private:
00093 
00094   /**
00095   * @brief Set the mode of the LED, the mode include blinking at a set rate or blinking
00096   * @brief according to a pattern
00097   * @param mode Mode to set the LED to
00098   */
00099   void setMode(eMode_t state);
00100   
00101   /**
00102   * @brief Toggle the state of the LED
00103   */
00104   void toggle(void);
00105 
00106   /**
00107   * @brief Start the LED blinking or rotating through a pattern
00108   */
00109   void start(void);
00110 
00111   /**
00112   * @brief Stop blinking or rotating through a pattern
00113   */
00114   void stop(void);
00115   
00116   /**
00117   * @brief Write the LED pin to a state
00118   * @param state A one or zero value to write to the LED pin
00119   */  
00120   void state(int state);
00121 
00122   /**
00123   * @brief Single step through the pattern and output to the LED
00124   */
00125   void patternToLed(void);
00126 
00127   /**
00128    * @brief timer interval in mS
00129    */
00130   float timerInterval;
00131   
00132   /**
00133    * @brief last timer interval set to... used to prevent resetting the timer to the same value
00134    */
00135   float timerIntervalLast;
00136  
00137   /** 
00138    * @brief local state of the pattern to rotate through
00139    */ 
00140   uint32_t bitPattern;
00141  
00142   /**
00143    * @brief current mode of the LED
00144    */
00145   eMode_t mode;
00146  
00147   /**
00148    * @brief the LED digital output
00149    */
00150   DigitalOut redLed;
00151  
00152   /**
00153    * @brief Timer service used to update the LED
00154    */
00155   Ticker ticker;
00156  
00157   /**
00158    * @brief Flag to indicate if the timer has been started
00159    */
00160   bool isStarted;
00161 };
00162 
00163 #endif /* _LED_H_ */