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max32630fthr.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 
00034 #ifndef _MAX32630FTHR_H_
00035 #define _MAX32630FTHR_H_
00036 
00037 #include "mbed.h"
00038 #include "MAX14690.h"
00039 
00040 /**
00041  * @brief MAX32630FTHR Board Support Library
00042  *
00043  * @details The MAX32630FTHR is a rapid development application board for
00044  * ultra low power wearable applications.  It includes common peripherals and
00045  * expansion connectors all power optimized for getting the longest life from
00046  * the battery.  This library configures the power and I/O for the board.
00047  * <br>https://www.maximintegrated.com/max32630fthr
00048  *
00049  * @code
00050  * #include "mbed.h"
00051  * #include "max32630fthr.h"
00052  *
00053  * DigitalOut led1(LED1);
00054  * MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
00055  *
00056  * // main() runs in its own thread in the OS
00057  * // (note the calls to Thread::wait below for delays)
00058  * int main()
00059  * {
00060  *     // initialize power and I/O on MAX32630FTHR board
00061  *     pegasus.init();
00062  *
00063  *     while (true) {
00064  *         led1 = !led1;
00065  *         Thread::wait(500);
00066  *     }
00067  * }
00068  * @endcode
00069  */
00070 class MAX32630FTHR
00071 {
00072 public:
00073 // max32630fthr configuration utilities
00074 
00075     /**
00076       * @brief   IO Voltage
00077       * @details Enumerated options for operating voltage
00078       */
00079     typedef enum {
00080         VIO_1V8 = 0x00,    ///< 1.8V IO voltage at headers (from BUCK2)
00081         VIO_3V3 = 0x01,    ///< 3.3V IO voltage at headers (from LDO2)
00082     } vio_t;
00083 
00084     /**
00085         * MAX32630FTHR constructor.
00086         *
00087         */
00088     MAX32630FTHR();
00089 
00090     /**
00091         * MAX32630FTHR constructor.
00092         *
00093         */
00094     MAX32630FTHR(vio_t vio);
00095 
00096     /**
00097         * MAX32630FTHR destructor.
00098         */
00099     ~MAX32630FTHR();
00100 
00101     /**
00102      * @brief   Initialize MAX32630FTHR board
00103      * @details Initializes PMIC and I/O on MAX32630FTHR board.
00104      *  Configures PMIC to enable LDO2 and LDO3 at 3.3V.
00105      *  Disables resisitive pulldown on MON(AIN_0)
00106      *  Sets default I/O voltages to 3V3 for micro SD card.
00107      *  Sets I/O voltage for header pins to hdrVio specified.
00108      * @param hdrVio I/O voltage for header pins
00109      * @returns 0 if no errors, -1 if error.
00110     */
00111     int init(vio_t hdrVio);
00112 
00113     /**
00114      * @brief   Sets I/O Voltage
00115      * @details Sets the voltage rail to be used for a given pin.
00116      *  VIO_1V8 selects VDDIO which is supplied by Buck2, which is set at 1.8V,
00117      *  VIO_3V3 selects VDDIOH which is supplied by LDO2, which is typically 3.3V/
00118      * @param   pin Pin whose voltage supply is being assigned.
00119      * @param   vio Voltage rail to be used for specified pin.
00120      * @returns 0 if no errors, -1 if error.
00121     */
00122     int vddioh(PinName pin, vio_t vio);
00123 
00124     /// Local I2C bus for configuring PMIC and accessing BMI160 IMU.
00125     I2C i2c;
00126 
00127     /// MAX14690 PMIC Instance
00128     MAX14690 max14690;
00129 
00130 };
00131 
00132 #endif /* _MAX32630FTHR_H_ */