/*
 * Copyright (c) 2018-2019, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    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
 *    documentation and/or other materials provided with the 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 LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 *  ======== CC1310_LAUNCHXL_fxns.c ========
 *  This file contains the board-specific initialization functions.
 */

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include <ti/devices/cc13x0/driverlib/ioc.h>
#include <ti/devices/cc13x0/driverlib/cpu.h>

#include <ti/drivers/pin/PINCC26XX.h>

#include <ti/drivers/Board.h>


/*
 *  ======== CC1310_LAUNCHXL_sendExtFlashByte ========
 */
//void CC1310_LAUNCHXL_sendExtFlashByte(PIN_Handle pinHandle, uint8_t byte)
//{
//    uint8_t i;
//
//    /* SPI Flash CS */
//    PIN_setOutputValue(pinHandle, IOID_20, 0);
//
//    for (i = 0; i < 8; i++) {
//        PIN_setOutputValue(pinHandle, IOID_10, 0);  /* SPI Flash CLK */
//
//        /* SPI Flash MOSI */
//        PIN_setOutputValue(pinHandle, IOID_9, (byte >> (7 - i)) & 0x01);
//        PIN_setOutputValue(pinHandle, IOID_10, 1);  /* SPI Flash CLK */
//
//        /*
//         * Waste a few cycles to keep the CLK high for at
//         * least 45% of the period.
//         * 3 cycles per loop: 8 loops @ 48 Mhz = 0.5 us.
//         */
//        CPUdelay(8);
//    }
//
//    PIN_setOutputValue(pinHandle, IOID_10, 0);  /* CLK */
//    PIN_setOutputValue(pinHandle, IOID_20, 1);  /* CS */
//
//    /*
//     * Keep CS high at least 40 us
//     * 3 cycles per loop: 700 loops @ 48 Mhz ~= 44 us
//     */
//    CPUdelay(700);
//}

/*
 *  ======== CC1310_LAUNCHXL_wakeUpExtFlash ========
 */
//void CC1310_LAUNCHXL_wakeUpExtFlash(void)
//{
//    PIN_Config extFlashPinTable[] = {
//        /* SPI Flash CS */
//        IOID_20 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL |
//                PIN_INPUT_DIS | PIN_DRVSTR_MED,
//        PIN_TERMINATE
//    };
//    PIN_State extFlashPinState;
//    PIN_Handle extFlashPinHandle = PIN_open(&extFlashPinState, extFlashPinTable);
//
//    /*
//     *  To wake up we need to toggle the chip select at
//     *  least 20 ns and ten wait at least 35 us.
//     */
//
//    /* Toggle chip select for ~20ns to wake ext. flash */
//    PIN_setOutputValue(extFlashPinHandle, IOID_20, 0);
//    /* 3 cycles per loop: 1 loop @ 48 Mhz ~= 62 ns */
//    CPUdelay(1);
//    PIN_setOutputValue(extFlashPinHandle, IOID_20, 1);
//    /* 3 cycles per loop: 560 loops @ 48 Mhz ~= 35 us */
//    CPUdelay(560);
//
//    PIN_close(extFlashPinHandle);
//}

/*
 *  ======== CC1310_LAUNCHXL_shutDownExtFlash ========
 */
//void CC1310_LAUNCHXL_shutDownExtFlash(void)
//{
//    /*
//     *  To be sure we are putting the flash into sleep and not waking it,
//     *  we first have to make a wake up call
//     */
//    CC1310_LAUNCHXL_wakeUpExtFlash();
//
//    PIN_Config extFlashPinTable[] = {
//        /* SPI Flash CS*/
//        IOID_20 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL |
//                PIN_INPUT_DIS | PIN_DRVSTR_MED,
//        /* SPI Flash CLK */
//        IOID_10 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL |
//                PIN_INPUT_DIS | PIN_DRVSTR_MED,
//        /* SPI Flash MOSI */
//        IOID_9 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL |
//                PIN_INPUT_DIS | PIN_DRVSTR_MED,
//        /* SPI Flash MISO */
//        IOID_8 | PIN_INPUT_EN | PIN_PULLDOWN,
//        PIN_TERMINATE
//    };
//    PIN_State extFlashPinState;
//    PIN_Handle extFlashPinHandle = PIN_open(&extFlashPinState, extFlashPinTable);
//
//    uint8_t extFlashShutdown = 0xB9;
//
//    CC1310_LAUNCHXL_sendExtFlashByte(extFlashPinHandle, extFlashShutdown);
//
//    PIN_close(extFlashPinHandle);
//}

/*
 *  ======== Board_initHook ========
 *  Called by Board_init() to perform board-specific initialization.
 */
//void Board_initHook()
//{
//    CC1310_LAUNCHXL_shutDownExtFlash();
//}
