1    /*
     2     * Copyright (c) 2016, Texas Instruments Incorporated
     3     * All rights reserved.
     4     *
     5     * Redistribution and use in source and binary forms, with or without
     6     * modification, are permitted provided that the following conditions
     7     * are met:
     8     *
     9     * *  Redistributions of source code must retain the above copyright
    10     *    notice, this list of conditions and the following disclaimer.
    11     *
    12     * *  Redistributions in binary form must reproduce the above copyright
    13     *    notice, this list of conditions and the following disclaimer in the
    14     *    documentation and/or other materials provided with the distribution.
    15     *
    16     * *  Neither the name of Texas Instruments Incorporated nor the names of
    17     *    its contributors may be used to endorse or promote products derived
    18     *    from this software without specific prior written permission.
    19     *
    20     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    21     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    22     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    23     * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    24     * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    25     * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    26     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
    27     * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
    28     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
    29     * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
    30     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    31     */
    32    
    33    import ti.catalog.msp430.peripherals.communication.USI as USI;
    34    
    35    /*!
    36     *  ======== GPIO for MSP430G2x21 ========
    37     *  MSP430 General Purpose Input Output Ports
    38     */
    39    metaonly module GPIO_MSP430G2x21 inherits IGPIO {
    40        /*!
    41         *  ======== create ========
    42         *  Create an instance of this peripheral.
    43         */
    44        create(USI.Instance usi);
    45    
    46    instance:
    47        /*! @_nodoc */
    48        config USI.Instance usi;
    49    
    50       /*! Define an array to describe all device pins. The 1st dimension
    51        *  denotes the port, the second the pin on that port. On an
    52        *  MSP430G2x21 device, there are 8 + 2 = 10 pins total.
    53        */
    54    
    55        /* TODO: This here should really be a module-wide feature, rather than an instance feature,
    56         * however due to limitations in XDCtools 3.21.0.0 the data is located here */
    57        /* TODO: For this device the config variable definition has been moved into the
    58         * corresponding XS file due to its size. This needs a more consistent solution. */
    59        config DevicePin_t devicePins[2][8];
    60    
    61        /*! Implementation of Device Pin Functional Configuration */
    62        override config DevicePinFunctionSetting_t devicePinSetting[2][8];
    63    
    64        /*! Determine if each Register needs to be forced set or not */
    65        readonly config ForceSetDefaultRegister_t forceSetDefaultRegister[] =
    66        [
    67            { register : "P1OUT" , regForceSet : true  },
    68            { register : "P1SEL" , regForceSet : false },
    69            { register : "P1DIR" , regForceSet : true  },
    70            { register : "P1REN" , regForceSet : false },
    71            { register : "P1IES" , regForceSet : true },
    72            { register : "P1IFG" , regForceSet : true },
    73            { register : "P1IE"  , regForceSet : false },
    74            { register : "P2OUT" , regForceSet : true  },
    75            { register : "P2SEL" , regForceSet : false },
    76            { register : "P2DIR" , regForceSet : true  },
    77            { register : "P2REN" , regForceSet : false },
    78            { register : "P2IES" , regForceSet : true },
    79            { register : "P2IFG" , regForceSet : true },
    80            { register : "P2IE"  , regForceSet : false }
    81        ];
    82    
    83        /*
    84         *  GPIO Digital I/O Registers
    85         *
    86         *  One GIPO instance defines the configuration of an entire,
    87         *  8-bit wide digital I/O port.
    88         */
    89    
    90        /*! Port 1 Output Register */
    91        config GpioBits8PxOut_t P1OUT = {
    92            Bit0        : BIT0_OFF,
    93            Bit1        : BIT1_OFF,
    94            Bit2        : BIT2_OFF,
    95            Bit3        : BIT3_OFF,
    96            Bit4        : BIT4_OFF,
    97            Bit5        : BIT5_OFF,
    98            Bit6        : BIT6_OFF,
    99            Bit7        : BIT7_OFF
   100        };
   101    
   102        /*! Port 1 Port Select Register */
   103        config GpioBits8PxSel_t P1SEL = {
   104            Bit0        : BIT0_OFF,
   105            Bit1        : BIT1_OFF,
   106            Bit2        : BIT2_OFF,
   107            Bit3        : BIT3_OFF,
   108            Bit4        : BIT4_OFF,
   109            Bit5        : BIT5_OFF,
   110            Bit6        : BIT6_OFF,
   111            Bit7        : BIT7_OFF
   112        };
   113    
   114        /*! Port 1 Direction Register */
   115        config GpioBits8PxDir_t P1DIR = {
   116            Bit0        : BIT0_OFF,
   117            Bit1        : BIT1_OFF,
   118            Bit2        : BIT2_OFF,
   119            Bit3        : BIT3_OFF,
   120            Bit4        : BIT4_OFF,
   121            Bit5        : BIT5_OFF,
   122            Bit6        : BIT6_OFF,
   123            Bit7        : BIT7_OFF
   124        };
   125    
   126        /*! Port 1 Resistor Enable Register */
   127        config GpioBits8PxRen_t P1REN = {
   128            Bit0        : BIT0_OFF,
   129            Bit1        : BIT1_OFF,
   130            Bit2        : BIT2_OFF,
   131            Bit3        : BIT3_OFF,
   132            Bit4        : BIT4_OFF,
   133            Bit5        : BIT5_OFF,
   134            Bit6        : BIT6_OFF,
   135            Bit7        : BIT7_OFF
   136        };
   137    
   138        /*! Port 2 Output Register */
   139        config GpioBits8PxOut_t P2OUT = {
   140            Bit0        : BIT0_OFF,
   141            Bit1        : BIT1_OFF,
   142            Bit2        : BIT2_OFF,
   143            Bit3        : BIT3_OFF,
   144            Bit4        : BIT4_OFF,
   145            Bit5        : BIT5_OFF,
   146            Bit6        : BIT6_OFF,
   147            Bit7        : BIT7_OFF
   148        };
   149    
   150        /*! Port 2 Port Select Register */
   151        config GpioBits8PxSel_t P2SEL = {
   152            Bit0        : BIT0_OFF,
   153            Bit1        : BIT1_OFF,
   154            Bit2        : BIT2_OFF,
   155            Bit3        : BIT3_OFF,
   156            Bit4        : BIT4_OFF,
   157            Bit5        : BIT5_OFF,
   158            Bit6        : BIT6,         /* POR default for all 2xx devices */
   159            Bit7        : BIT7          /* POR default for all 2xx devices */
   160        };
   161    
   162        /*! Port 2 Direction Register */
   163        config GpioBits8PxDir_t P2DIR = {
   164            Bit0        : BIT0_OFF,
   165            Bit1        : BIT1_OFF,
   166            Bit2        : BIT2_OFF,
   167            Bit3        : BIT3_OFF,
   168            Bit4        : BIT4_OFF,
   169            Bit5        : BIT5_OFF,
   170            Bit6        : BIT6_OFF,
   171            Bit7        : BIT7_OFF
   172        };
   173    
   174        /*! Port 2 Resistor Enable Register */
   175        config GpioBits8PxRen_t P2REN = {
   176            Bit0        : BIT0_OFF,
   177            Bit1        : BIT1_OFF,
   178            Bit2        : BIT2_OFF,
   179            Bit3        : BIT3_OFF,
   180            Bit4        : BIT4_OFF,
   181            Bit5        : BIT5_OFF,
   182            Bit6        : BIT6_OFF,
   183            Bit7        : BIT7_OFF
   184        };
   185    }