pkarashchenko commented on a change in pull request #4908: URL: https://github.com/apache/incubator-nuttx/pull/4908#discussion_r757883021
########## File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c ########## @@ -0,0 +1,284 @@ +/**************************************************************************** + * apps/examples/mtdpart/stm32_progmem.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/mount.h> + +#include <stdbool.h> +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/progmem.h> +#include <nuttx/drivers/drivers.h> +#include <nuttx/fs/ioctl.h> +#include <nuttx/kmalloc.h> +#include <nuttx/mtd/mtd.h> +#ifdef CONFIG_BCH +#include <nuttx/drivers/drivers.h> +#endif + +#include <stm32.h> +#include <nucleo-h743zi.h> +#include <stm32_flash.h> + +#ifdef HAVE_PROGMEM_CHARDEV + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0])) + +/* Configuration ************************************************************/ + +/* Make sure that support for MTD partitions is enabled */ +#ifdef CONFIG_MTD + +#ifndef CONFIG_MTD_PARTITION +# error "CONFIG_MTD_PARTITION is required" +#endif + +#endif +/**************************************************************************** + * Private Types + ****************************************************************************/ + +#if defined(CONFIG_PROGMEM_OTA_PARTITION) + +struct ota_partition_s +{ + uint32_t offset; /* Partition offset from the beginning of MTD */ + uint32_t size; /* Partition size in bytes */ + const char *devpath; /* Partition device path */ +}; + +#endif + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +#if defined(CONFIG_PROGMEM_OTA_PARTITION) +static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset, + uint32_t mtd_size); +static int init_ota_partitions(void); +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static FAR struct mtd_dev_s *g_progmem_mtd; + +#if defined(CONFIG_PROGMEM_OTA_PARTITION) +static const struct ota_partition_s g_ota_partition_table[] = +{ + { + .offset = CONFIG_OTA_PRIMARY_SLOT_OFFSET, + .size = CONFIG_OTA_SLOT_SIZE, + .devpath = CONFIG_OTA_PRIMARY_SLOT_DEVPATH + }, + { + .offset = CONFIG_OTA_SECONDARY_SLOT_OFFSET, + .size = CONFIG_OTA_SLOT_SIZE, + .devpath = CONFIG_OTA_SECONDARY_SLOT_DEVPATH + }, + { + .offset = CONFIG_OTA_SCRATCH_OFFSET, + .size = CONFIG_OTA_SCRATCH_SIZE, + .devpath = CONFIG_OTA_SCRATCH_DEVPATH + } +}; +#endif + + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +#if defined(CONFIG_PROGMEM_OTA_PARTITION) + +/**************************************************************************** + * Name: sam_progmem_alloc_mtdpart + * + * Description: + * Allocate an MTD partition from FLASH. + * + * Input Parameters: + * mtd_offset - MTD Partition offset from the base address in FLASH. + * mtd_size - Size for the MTD partition. + * + * Returned Value: + * MTD partition data pointer on success, NULL on failure. + * + ****************************************************************************/ + +static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset, + uint32_t mtd_size) Review comment: ```suggestion uint32_t mtd_size) ``` -- This is an automated message from the Apache Git Service. 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