mccibootloaderboard_catena4801_storageinit.c

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/*
 
Module: mccibootloaderboard_catena4801_storageinit.c
 
Function:
        McciBootloaderBoard_Catena4801_storageInit()
 
Copyright and License:
        This file copyright (C) 2021 by
 
                MCCI Corporation
                3520 Krums Corners Road
                Ithaca, NY  14850
 
        See accompanying LICENSE file for copyright and license information.
 
Author:
        Terry Moore, MCCI Corporation   March 2021
 
*/
 
#include "mcci_bootloader_board_catena4801.h"
 
#include "mcci_bootloader_board_catena_abz.h"
#include "mcci_bootloader_flash_mx25v8035f.h"
#include "mcci_stm32l0xx.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
␌
/****************************************************************************\
|
|       Manifest constants & typedefs.
|
\****************************************************************************/
 
static void
storagePowerOn(void);
 
/****************************************************************************\
|
|       Read-only data.
|
\****************************************************************************/
 
 
 
/****************************************************************************\
|
|       Variables.
|
\****************************************************************************/
 
static void
storagePowerOn(void)
        {
        // enable GPIOH
        McciArm_putRegOr(
                MCCI_STM32L0_REG_RCC_IOPENR,
                MCCI_STM32L0_REG_RCC_IOPENR_IOPHEN
                );
 
        // turn on power to the storage chip (4801) by making PH1 an output and
        // driving it to a one.
        McciArm_putRegMasked(
                MCCI_STM32L0_REG_GPIOH + MCCI_STM32L0_GPIO_MODER,
                MCCI_STM32L0_GPIO_MODE_P(1),
                MCCI_BOOTLOADER_FIELD_SET_VALUE(MCCI_STM32L0_GPIO_MODE_P(1), MCCI_STM32L0_GPIO_MODE_OUT)
                );
 
        McciArm_putRegOr(
                MCCI_STM32L0_REG_GPIOH + MCCI_STM32L0_GPIO_BSRR,
                MCCI_STM32L0_GPIO_BSRR_BS_P(1)
                );
 
        // delay 50 ms
        McciBootloaderPlatform_delayMs(50);
        }
 
 
void
McciBootloaderBoard_Catena4801_storageInit(
        void
        )
        {
        storagePowerOn();
        McciBootloaderPlatform_spiInit();
        McciBootloaderFlash_Mx25v8035f_storageInit();
        }
 
 
/**** end of mccibootloaderboard_catena4801_storageinit.c ****/