/** @file gio.c
*   @brief GIO Driver Implementation File
*   @date 11-Dec-2018
*   @version 04.07.01
*
*/

/* 
* Copyright (C) 2009-2018 Texas Instruments Incorporated - www.ti.com  
* 
* 
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*  modification, are permitted provided that the following conditions 
*  are met:
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*    notice, this list of conditions and the following disclaimer.
*
*    Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the 
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*    distribution.
*
*    Neither the name of Texas Instruments Incorporated nor the names of
*    its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
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*/


/* USER CODE BEGIN (0) */
/* USER CODE END */

#include "gio.h"
#include "sys_vim.h"

/* USER CODE BEGIN (1) */
/* USER CODE END */

/** @fn void gioInit(void)
*   @brief Initializes the GIO Driver
*
*   This function initializes the GIO module and set the GIO ports
*   to the initial values.
*/
/* SourceId : GIO_SourceId_001 */
/* DesignId : GIO_DesignId_001 */
/* Requirements : HL_SR26 */
void gioInit(void)
{
/* USER CODE BEGIN (2) */
/* USER CODE END */

    /** bring GIO module out of reset */
    gioREG->GCR0   = 1U;
    gioREG->ENACLR = 0xFFU;
    gioREG->LVLCLR = 0xFFU;

    /** @b initialize @b Port @b A */

    /** - Port A output values */
    gioPORTA->DOUT = (uint32)((uint32)0U << 0U)  /* Bit 0 */
                   | (uint32)((uint32)0U << 1U)  /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                   | (uint32)((uint32)0U << 5U)  /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)  /* Bit 6 */
                   | (uint32)((uint32)0U << 7U); /* Bit 7 */

    /** - Port A direction */
    gioPORTA->DIR  = (uint32)((uint32)1U << 0U)  /* Bit 0 */
                   | (uint32)((uint32)1U << 1U)  /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                   | (uint32)((uint32)1U << 5U)  /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)  /* Bit 6 */
                   | (uint32)((uint32)0U << 7U); /* Bit 7 */

    /** - Port A open drain enable */
    gioPORTA->PDR  = (uint32)((uint32)0U << 0U)  /* Bit 0 */
                   | (uint32)((uint32)0U << 1U)  /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                   | (uint32)((uint32)0U << 5U)  /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)  /* Bit 6 */
                   | (uint32)((uint32)0U << 7U); /* Bit 7 */

    /** - Port A pullup / pulldown selection */
    gioPORTA->PSL  = (uint32)((uint32)0U << 0U)  /* Bit 0 */
                   | (uint32)((uint32)0U << 1U)  /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                   | (uint32)((uint32)0U << 5U)  /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)  /* Bit 6 */
                   | (uint32)((uint32)0U << 7U); /* Bit 7 */

    /** - Port A pullup / pulldown enable*/
    gioPORTA->PULDIS  = (uint32)((uint32)0U << 0U)  /* Bit 0 */
                      | (uint32)((uint32)0U << 1U)  /* Bit 1 */
                      | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                      | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                      | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                      | (uint32)((uint32)0U << 5U)  /* Bit 5 */
                      | (uint32)((uint32)0U << 6U)  /* Bit 6 */
                      | (uint32)((uint32)0U << 7U); /* Bit 7 */

/* USER CODE BEGIN (3) */
/* USER CODE END */

    /** @b initialize @b interrupts */

    /** - interrupt polarity */
    gioREG->POL = (uint32)((uint32)0U << 0U)   /* Bit 0 */
                | (uint32)((uint32)0U << 1U)   /* Bit 1 */
                | (uint32)((uint32)0U << 2U)   /* Bit 2 */
                | (uint32)((uint32)0U << 3U)   /* Bit 3 */
                | (uint32)((uint32)0U << 4U)   /* Bit 4 */
                | (uint32)((uint32)0U << 5U)   /* Bit 5 */
                | (uint32)((uint32)0U << 6U)   /* Bit 6 */
                | (uint32)((uint32)0U << 7U);   /* Bit 7 */

    /** - interrupt level */
    gioREG->LVLSET = (uint32)((uint32)0U << 0U)   /* Bit 0 */
                   | (uint32)((uint32)0U << 1U)   /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)   /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)   /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)   /* Bit 4 */
                   | (uint32)((uint32)0U << 5U)   /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)   /* Bit 6 */
                   | (uint32)((uint32)0U << 7U);   /* Bit 7 */

    /** - clear all pending interrupts */
    gioREG->FLG = 0xFFU;

    /** - enable interrupts */
    gioREG->ENASET = (uint32)((uint32)0U << 0U)   /* Bit 0 */
                   | (uint32)((uint32)0U << 1U)   /* Bit 1 */
                   | (uint32)((uint32)0U << 2U)   /* Bit 2 */
                   | (uint32)((uint32)0U << 3U)   /* Bit 3 */
                   | (uint32)((uint32)0U << 4U)   /* Bit 4 */
                   | (uint32)((uint32)0U << 5U)   /* Bit 5 */
                   | (uint32)((uint32)0U << 6U)   /* Bit 6 */
                   | (uint32)((uint32)0U << 7U);   /* Bit 7 */

/* USER CODE BEGIN (4) */
/* USER CODE END */
}


/** @fn void gioSetDirection(gioPORT_t *port, uint32 dir)
*   @brief Set Port Direction
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] dir value to write to DIR register
*
*   Set the direction of GIO pins at runtime.
*/
/* SourceId : GIO_SourceId_002 */
/* DesignId : GIO_DesignId_002 */
/* Requirements : HL_SR27 */
void gioSetDirection(gioPORT_t *port, uint32 dir)
{
    port->DIR = dir;
}


/** @fn void gioSetBit(gioPORT_t *port, uint32 bit, uint32 value)
*   @brief Write Bit
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] bit number 0-7 that specifies the bit to be written to.
*              - 0: LSB
*              - 7: MSB
*   @param[in] value binary value to write to bit
*
*   Writes a value to the specified pin of the given GIO port
*/
/* SourceId : GIO_SourceId_003 */
/* DesignId : GIO_DesignId_003 */
/* Requirements : HL_SR28 */
void gioSetBit(gioPORT_t *port, uint32 bit, uint32 value)
{
/* USER CODE BEGIN (5) */
/* USER CODE END */

    if (value != 0U)
    {
        port->DSET = (uint32)1U << bit;
    }
    else
    {
        port->DCLR = (uint32)1U << bit;
    }
}


/** @fn void gioSetPort(gioPORT_t *port, uint32 value)
*   @brief Write Port Value
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] value value to write to port
*
*   Writes a value to all pin of a given GIO port
*/
/* SourceId : GIO_SourceId_004 */
/* DesignId : GIO_DesignId_004 */
/* Requirements : HL_SR29 */
void gioSetPort(gioPORT_t *port, uint32 value)
{
/* USER CODE BEGIN (6) */
/* USER CODE END */

    port->DOUT = value;

/* USER CODE BEGIN (7) */
/* USER CODE END */

}


/** @fn uint32 gioGetBit(gioPORT_t *port, uint32 bit)
*   @brief Read Bit
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] bit number 0-7 that specifies the bit to be written to.
*              - 0: LSB
*              - 7: MSB
*
*   Reads a the current value from the specified pin of the given GIO port
*/
/* SourceId : GIO_SourceId_005 */
/* DesignId : GIO_DesignId_005 */
/* Requirements : HL_SR30 */
uint32 gioGetBit(gioPORT_t *port, uint32 bit)
{
/* USER CODE BEGIN (8) */
/* USER CODE END */

    return (port->DIN >> bit) & 1U;
}


/** @fn uint32 gioGetPort(gioPORT_t *port)
*   @brief Read Port Value
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*
*   Reads a the current value of a given GIO port
*/
/* SourceId : GIO_SourceId_006 */
/* DesignId : GIO_DesignId_006 */
/* Requirements : HL_SR31 */
uint32 gioGetPort(gioPORT_t *port)
{
/* USER CODE BEGIN (9) */
/* USER CODE END */

    return port->DIN;
}

/** @fn void gioToggleBit(gioPORT_t *port, uint32 bit)
*   @brief Write Bit
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] bit number 0-7 that specifies the bit to be written to.
*              - 0: LSB
*              - 7: MSB
*
*   Toggle a value to the specified pin of the given GIO port
*/
/* SourceId : GIO_SourceId_007 */
/* DesignId : GIO_DesignId_007 */
/* Requirements : HL_SR32 */
void gioToggleBit(gioPORT_t *port, uint32 bit)
{
/* USER CODE BEGIN (10) */
/* USER CODE END */

    if ((port->DIN & (uint32)((uint32)1U << bit)) != 0U)
    {
        port->DCLR = (uint32)1U << bit;
    }
    else
    {
        port->DSET = (uint32)1U << bit;
    }
}

/** @fn void gioEnableNotification(uint32 bit)
*   @brief Enable Interrupt
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] bit interrupt pin to enable
*              - 0: LSB
*              - 7: MSB
*
*   Enables an interrupt pin of selected port
*/
/* SourceId : GIO_SourceId_008 */
/* DesignId : GIO_DesignId_008 */
/* Requirements : HL_SR33 */
void gioEnableNotification(gioPORT_t *port, uint32 bit)
{
/* USER CODE BEGIN (11) */
/* USER CODE END */

	if (port == gioPORTA)
	{
		gioREG->ENASET = (uint32)1U << bit;
	}
	else
	{
		/* Empty */
	}
}


/** @fn void gioDisableNotification(uint32 bit)
*   @brief Disable Interrupt
*   @param[in] port pointer to GIO port:
*              - gioPORTA: PortA pointer
*   @param[in] bit interrupt pin to enable
*              - 0: LSB
*              - 7: MSB
*
*   Disables an interrupt pin of selected port
*/
/* SourceId : GIO_SourceId_009 */
/* DesignId : GIO_DesignId_009 */
/* Requirements : HL_SR34 */
void gioDisableNotification(gioPORT_t *port, uint32 bit)
{
/* USER CODE BEGIN (12) */
/* USER CODE END */

	if (port == gioPORTA)
	{
		gioREG->ENACLR = (uint32)1U << bit;
	}
	else
	{
		/* Empty */
	}
}

/** @fn void gioGetConfigValue(gio_config_reg_t *config_reg, config_value_type_t type)
*   @brief Get the initial or current values of the configuration registers
*
*	@param[in] *config_reg: pointer to the struct to which the initial or current
*                           value of the configuration registers need to be stored
*	@param[in] type: 	whether initial or current value of the configuration registers need to be stored
*						- InitialValue: initial value of the configuration registers will be stored
*                                       in the struct pointed by config_reg
*						- CurrentValue: initial value of the configuration registers will be stored
*                                       in the struct pointed by config_reg
*
*   This function will copy the initial or current value (depending on the parameter 'type')
*   of the configuration registers to the struct pointed by config_reg
*
*/
/* SourceId : GIO_SourceId_010 */
/* DesignId : GIO_DesignId_010 */
/* Requirements : HL_SR37 */
void gioGetConfigValue(gio_config_reg_t *config_reg, config_value_type_t type)
{
	if (type == InitialValue)
	{
	    config_reg->CONFIG_INTDET    = GIO_INTDET_CONFIGVALUE;
        config_reg->CONFIG_POL       = GIO_POL_CONFIGVALUE;
        config_reg->CONFIG_INTENASET = GIO_INTENASET_CONFIGVALUE;
        config_reg->CONFIG_LVLSET    = GIO_LVLSET_CONFIGVALUE;

	    config_reg->CONFIG_PORTADIR    = GIO_PORTADIR_CONFIGVALUE;
	    config_reg->CONFIG_PORTAPDR    = GIO_PORTAPDR_CONFIGVALUE;
	    config_reg->CONFIG_PORTAPSL    = GIO_PORTAPSL_CONFIGVALUE;
	    config_reg->CONFIG_PORTAPULDIS = GIO_PORTAPULDIS_CONFIGVALUE;

	}
	else
	{
	/*SAFETYMCUSW 134 S MR:12.2 <APPROVED> "LDRA Tool issue" */
	    config_reg->CONFIG_INTDET    = gioREG->INTDET;
        config_reg->CONFIG_POL       = gioREG->POL;
        config_reg->CONFIG_INTENASET = gioREG->ENASET;
        config_reg->CONFIG_LVLSET    = gioREG->LVLSET;

	    config_reg->CONFIG_PORTADIR    = gioPORTA->DIR;
	    config_reg->CONFIG_PORTAPDR    = gioPORTA->PDR;
	    config_reg->CONFIG_PORTAPSL    = gioPORTA->PSL;
	    config_reg->CONFIG_PORTAPULDIS = gioPORTA->PULDIS;

	}
}



/* USER CODE BEGIN (19) */
/* USER CODE END */
