diff options
Diffstat (limited to 'components/fal/src')
| -rw-r--r-- | components/fal/src/fal.c | 62 | ||||
| -rw-r--r-- | components/fal/src/fal_flash.c | 79 | ||||
| -rw-r--r-- | components/fal/src/fal_partition.c | 527 | ||||
| -rw-r--r-- | components/fal/src/fal_rtt.c | 934 |
4 files changed, 1602 insertions, 0 deletions
diff --git a/components/fal/src/fal.c b/components/fal/src/fal.c new file mode 100644 index 0000000000..292b492b34 --- /dev/null +++ b/components/fal/src/fal.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2018-05-17 armink the first version + */ + +#include <fal.h> + +static uint8_t init_ok = 0; + +/** + * FAL (Flash Abstraction Layer) initialization. + * It will initialize all flash device and all flash partition. + * + * @return >= 0: partitions total number + */ +int fal_init(void) +{ + extern int fal_flash_init(void); + extern int fal_partition_init(void); + + int result; + + /* initialize all flash device on FAL flash table */ + result = fal_flash_init(); + + if (result < 0) { + goto __exit; + } + + /* initialize all flash partition on FAL partition table */ + result = fal_partition_init(); + +__exit: + + if ((result > 0) && (!init_ok)) + { + init_ok = 1; + log_i("RT-Thread Flash Abstraction Layer initialize success."); + } + else if(result <= 0) + { + init_ok = 0; + log_e("RT-Thread Flash Abstraction Layer initialize failed."); + } + + return result; +} + +/** + * Check if the FAL is initialized successfully + * + * @return 0: not init or init failed; 1: init success + */ +int fal_init_check(void) +{ + return init_ok; +} diff --git a/components/fal/src/fal_flash.c b/components/fal/src/fal_flash.c new file mode 100644 index 0000000000..8cef82c2bb --- /dev/null +++ b/components/fal/src/fal_flash.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2018-05-17 armink the first version + */ + +#include <fal.h> +#include <string.h> + +/* flash device table, must defined by user */ +#if !defined(FAL_FLASH_DEV_TABLE) +#error "You must defined flash device table (FAL_FLASH_DEV_TABLE) on 'fal_cfg.h'" +#endif + +static const struct fal_flash_dev * const device_table[] = FAL_FLASH_DEV_TABLE; +static const size_t device_table_len = sizeof(device_table) / sizeof(device_table[0]); +static uint8_t init_ok = 0; + +/** + * Initialize all flash device on FAL flash table + * + * @return result + */ +int fal_flash_init(void) +{ + size_t i; + + if (init_ok) + { + return 0; + } + + for (i = 0; i < device_table_len; i++) + { + assert(device_table[i]->ops.read); + assert(device_table[i]->ops.write); + assert(device_table[i]->ops.erase); + /* init flash device on flash table */ + if (device_table[i]->ops.init) + { + device_table[i]->ops.init(); + } + log_d("Flash device | %*.*s | addr: 0x%08lx | len: 0x%08x | blk_size: 0x%08x |initialized finish.", + FAL_DEV_NAME_MAX, FAL_DEV_NAME_MAX, device_table[i]->name, device_table[i]->addr, device_table[i]->len, + device_table[i]->blk_size); + } + + init_ok = 1; + return 0; +} + +/** + * find flash device by name + * + * @param name flash device name + * + * @return != NULL: flash device + * NULL: not found + */ +const struct fal_flash_dev *fal_flash_device_find(const char *name) +{ + assert(init_ok); + assert(name); + + size_t i; + + for (i = 0; i < device_table_len; i++) + { + if (!strncmp(name, device_table[i]->name, FAL_DEV_NAME_MAX)) { + return device_table[i]; + } + } + + return NULL; +} diff --git a/components/fal/src/fal_partition.c b/components/fal/src/fal_partition.c new file mode 100644 index 0000000000..9aee41e18c --- /dev/null +++ b/components/fal/src/fal_partition.c @@ -0,0 +1,527 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2018-05-17 armink the first version + */ + +#include <fal.h> +#include <string.h> +#include <stdlib.h> + +/* partition magic word */ +#define FAL_PART_MAGIC_WORD 0x45503130 +#define FAL_PART_MAGIC_WORD_H 0x4550L +#define FAL_PART_MAGIC_WORD_L 0x3130L +#define FAL_PART_MAGIC_WROD 0x45503130 + +struct part_flash_info +{ + const struct fal_flash_dev *flash_dev; +}; + +/** + * FAL partition table config has defined on 'fal_cfg.h'. + * When this option is disable, it will auto find the partition table on a specified location in flash partition. + */ +#ifdef FAL_PART_HAS_TABLE_CFG + +/* check partition table definition */ +#if !defined(FAL_PART_TABLE) +#error "You must defined FAL_PART_TABLE on 'fal_cfg.h'" +#endif + +#ifdef __CC_ARM /* ARM Compiler */ + #define SECTION(x) __attribute__((section(x))) + #define USED __attribute__((used)) +#elif defined (__IAR_SYSTEMS_ICC__) /* for IAR Compiler */ + #define SECTION(x) @ x + #define USED __root +#elif defined (__GNUC__) /* GNU GCC Compiler */ + #define SECTION(x) __attribute__((section(x))) + #define USED __attribute__((used)) +#else + #error not supported tool chain +#endif /* __CC_ARM */ + +/* partition table definition */ +USED static const struct fal_partition partition_table_def[] SECTION("FalPartTable") = FAL_PART_TABLE; +static const struct fal_partition *partition_table = NULL; +/* partition and flash object information cache table */ +static struct part_flash_info part_flash_cache[sizeof(partition_table_def) / sizeof(partition_table_def[0])] = { 0 }; + +#else /* FAL_PART_HAS_TABLE_CFG */ + +#if !defined(FAL_PART_TABLE_FLASH_DEV_NAME) +#error "You must defined FAL_PART_TABLE_FLASH_DEV_NAME on 'fal_cfg.h'" +#endif + +/* check partition table end offset address definition */ +#if !defined(FAL_PART_TABLE_END_OFFSET) +#error "You must defined FAL_PART_TABLE_END_OFFSET on 'fal_cfg.h'" +#endif + +static struct fal_partition *partition_table = NULL; +static struct part_flash_info *part_flash_cache = NULL; +#endif /* FAL_PART_HAS_TABLE_CFG */ + +static uint8_t init_ok = 0; +static size_t partition_table_len = 0; + +/** + * print the partition table + */ +void fal_show_part_table(void) +{ + char *item1 = "name", *item2 = "flash_dev"; + size_t i, part_name_max = strlen(item1), flash_dev_name_max = strlen(item2); + const struct fal_partition *part; + + if (partition_table_len) + { + for (i = 0; i < partition_table_len; i++) + { + part = &partition_table[i]; + if (strlen(part->name) > part_name_max) + { + part_name_max = strlen(part->name); + } + if (strlen(part->flash_name) > flash_dev_name_max) + { + flash_dev_name_max = strlen(part->flash_name); + } + } + } + log_i("==================== FAL partition table ===================="); + log_i("| %-*.*s | %-*.*s | offset | length |", part_name_max, FAL_DEV_NAME_MAX, item1, flash_dev_name_max, + FAL_DEV_NAME_MAX, item2); + log_i("-------------------------------------------------------------"); + for (i = 0; i < partition_table_len; i++) + { + +#ifdef FAL_PART_HAS_TABLE_CFG + part = &partition_table[i]; +#else + part = &partition_table[partition_table_len - i - 1]; +#endif + + log_i("| %-*.*s | %-*.*s | 0x%08lx | 0x%08x |", part_name_max, FAL_DEV_NAME_MAX, part->name, flash_dev_name_max, + FAL_DEV_NAME_MAX, part->flash_name, part->offset, part->len); + } + log_i("============================================================="); +} + +static int check_and_update_part_cache(const struct fal_partition *table, size_t len) +{ + const struct fal_flash_dev *flash_dev = NULL; + size_t i; + +#ifndef FAL_PART_HAS_TABLE_CFG + if (part_flash_cache) + { + FAL_FREE(part_flash_cache); + } + part_flash_cache = FAL_MALLOC(len * sizeof(struct part_flash_info)); + if (part_flash_cache == NULL) + { + log_e("Initialize failed! No memory for partition table cache"); + return -2; + } +#endif + + for (i = 0; i < len; i++) + { + flash_dev = fal_flash_device_find(table[i].flash_name); + if (flash_dev == NULL) + { + log_d("Warning: Do NOT found the flash device(%s).", table[i].flash_name); + continue; + } + + if (table[i].offset >= (long)flash_dev->len) + { + log_e("Initialize failed! Partition(%s) offset address(%ld) out of flash bound(<%d).", + table[i].name, table[i].offset, flash_dev->len); + partition_table_len = 0; + + return -1; + } + + part_flash_cache[i].flash_dev = flash_dev; + } + + return 0; +} + +/** + * Initialize all flash partition on FAL partition table + * + * @return partitions total number + */ +int fal_partition_init(void) +{ + + if (init_ok) + { + return partition_table_len; + } + +#ifdef FAL_PART_HAS_TABLE_CFG + partition_table = &partition_table_def[0]; + partition_table_len = sizeof(partition_table_def) / sizeof(partition_table_def[0]); +#else + /* load partition table from the end address FAL_PART_TABLE_END_OFFSET, error return 0 */ + long part_table_offset = FAL_PART_TABLE_END_OFFSET; + size_t table_num = 0, table_item_size = 0; + uint8_t part_table_find_ok = 0; + uint32_t read_magic_word; + fal_partition_t new_part = NULL; + size_t i; + const struct fal_flash_dev *flash_dev = NULL; + + flash_dev = fal_flash_device_find(FAL_PART_TABLE_FLASH_DEV_NAME); + if (flash_dev == NULL) + { + log_e("Initialize failed! Flash device (%s) NOT found.", FAL_PART_TABLE_FLASH_DEV_NAME); + goto _exit; + } + + /* check partition table offset address */ + if (part_table_offset < 0 || part_table_offset >= (long) flash_dev->len) + { + log_e("Setting partition table end offset address(%ld) out of flash bound(<%d).", part_table_offset, flash_dev->len); + goto _exit; + } + + table_item_size = sizeof(struct fal_partition); + new_part = (fal_partition_t)FAL_MALLOC(table_item_size); + if (new_part == NULL) + { + log_e("Initialize failed! No memory for table buffer."); + goto _exit; + } + + /* find partition table location */ + { + uint8_t read_buf[64]; + + part_table_offset -= sizeof(read_buf); + while (part_table_offset >= 0) + { + if (flash_dev->ops.read(part_table_offset, read_buf, sizeof(read_buf)) > 0) + { + /* find magic word in read buf */ + for (i = 0; i < sizeof(read_buf) - sizeof(read_magic_word) + 1; i++) + { + read_magic_word = read_buf[0 + i] + (read_buf[1 + i] << 8) + (read_buf[2 + i] << 16) + (read_buf[3 + i] << 24); + if (read_magic_word == ((FAL_PART_MAGIC_WORD_H << 16) + FAL_PART_MAGIC_WORD_L)) + { + part_table_find_ok = 1; + part_table_offset += i; + log_d("Find the partition table on '%s' offset @0x%08lx.", FAL_PART_TABLE_FLASH_DEV_NAME, + part_table_offset); + break; + } + } + } + else + { + /* read failed */ + break; + } + + if (part_table_find_ok) + { + break; + } + else + { + /* calculate next read buf position */ + if (part_table_offset >= (long)sizeof(read_buf)) + { + part_table_offset -= sizeof(read_buf); + part_table_offset += (sizeof(read_magic_word) - 1); + } + else if (part_table_offset != 0) + { + part_table_offset = 0; + } + else + { + /* find failed */ + break; + } + } + } + } + + /* load partition table */ + while (part_table_find_ok) + { + memset(new_part, 0x00, table_num); + if (flash_dev->ops.read(part_table_offset - table_item_size * (table_num), (uint8_t *) new_part, + table_item_size) < 0) + { + log_e("Initialize failed! Flash device (%s) read error!", flash_dev->name); + table_num = 0; + break; + } + + if (new_part->magic_word != ((FAL_PART_MAGIC_WORD_H << 16) + FAL_PART_MAGIC_WORD_L)) + { + break; + } + + partition_table = (fal_partition_t) FAL_REALLOC(partition_table, table_item_size * (table_num + 1)); + if (partition_table == NULL) + { + log_e("Initialize failed! No memory for partition table"); + table_num = 0; + break; + } + + memcpy(partition_table + table_num, new_part, table_item_size); + + table_num++; + }; + + if (table_num == 0) + { + log_e("Partition table NOT found on flash: %s (len: %d) from offset: 0x%08x.", FAL_PART_TABLE_FLASH_DEV_NAME, + FAL_DEV_NAME_MAX, FAL_PART_TABLE_END_OFFSET); + goto _exit; + } + else + { + partition_table_len = table_num; + } +#endif /* FAL_PART_HAS_TABLE_CFG */ + + /* check the partition table device exists */ + if (check_and_update_part_cache(partition_table, partition_table_len) != 0) + { + goto _exit; + } + + init_ok = 1; + +_exit: + +#if FAL_DEBUG + fal_show_part_table(); +#endif + +#ifndef FAL_PART_HAS_TABLE_CFG + if (new_part) + { + FAL_FREE(new_part); + } +#endif /* !FAL_PART_HAS_TABLE_CFG */ + + return partition_table_len; +} + +/** + * find the partition by name + * + * @param name partition name + * + * @return != NULL: partition + * NULL: not found + */ +const struct fal_partition *fal_partition_find(const char *name) +{ + assert(init_ok); + + size_t i; + + for (i = 0; i < partition_table_len; i++) + { + if (!strcmp(name, partition_table[i].name)) + { + return &partition_table[i]; + } + } + + return NULL; +} + +static const struct fal_flash_dev *flash_device_find_by_part(const struct fal_partition *part) +{ + assert(part >= partition_table); + assert(part <= &partition_table[partition_table_len - 1]); + + return part_flash_cache[part - partition_table].flash_dev; +} + +/** + * get the partition table + * + * @param len return the partition table length + * + * @return partition table + */ +const struct fal_partition *fal_get_partition_table(size_t *len) +{ + assert(init_ok); + assert(len); + + *len = partition_table_len; + + return partition_table; +} + +/** + * set partition table temporarily + * This setting will modify the partition table temporarily, the setting will be lost after restart. + * + * @param table partition table + * @param len partition table length + */ +void fal_set_partition_table_temp(struct fal_partition *table, size_t len) +{ + assert(init_ok); + assert(table); + + check_and_update_part_cache(table, len); + + partition_table_len = len; + partition_table = table; +} + +/** + * read data from partition + * + * @param part partition + * @param addr relative address for partition + * @param buf read buffer + * @param size read size + * + * @return >= 0: successful read data size + * -1: error + */ +int fal_partition_read(const struct fal_partition *part, uint32_t addr, uint8_t *buf, size_t size) +{ + int ret = 0; + const struct fal_flash_dev *flash_dev = NULL; + + assert(part); + assert(buf); + + if (addr + size > part->len) + { + log_e("Partition read error! Partition address out of bound."); + return -1; + } + + flash_dev = flash_device_find_by_part(part); + if (flash_dev == NULL) + { + log_e("Partition read error! Don't found flash device(%s) of the partition(%s).", part->flash_name, part->name); + return -1; + } + + ret = flash_dev->ops.read(part->offset + addr, buf, size); + if (ret < 0) + { + log_e("Partition read error! Flash device(%s) read error!", part->flash_name); + } + + return ret; +} + +/** + * write data to partition + * + * @param part partition + * @param addr relative address for partition + * @param buf write buffer + * @param size write size + * + * @return >= 0: successful write data size + * -1: error + */ +int fal_partition_write(const struct fal_partition *part, uint32_t addr, const uint8_t *buf, size_t size) +{ + int ret = 0; + const struct fal_flash_dev *flash_dev = NULL; + + assert(part); + assert(buf); + + if (addr + size > part->len) + { + log_e("Partition write error! Partition address out of bound."); + return -1; + } + + flash_dev = flash_device_find_by_part(part); + if (flash_dev == NULL) + { + log_e("Partition write error! Don't found flash device(%s) of the partition(%s).", part->flash_name, part->name); + return -1; + } + + ret = flash_dev->ops.write(part->offset + addr, buf, size); + if (ret < 0) + { + log_e("Partition write error! Flash device(%s) write error!", part->flash_name); + } + + return ret; +} + +/** + * erase partition data + * + * @param part partition + * @param addr relative address for partition + * @param size erase size + * + * @return >= 0: successful erased data size + * -1: error + */ +int fal_partition_erase(const struct fal_partition *part, uint32_t addr, size_t size) +{ + int ret = 0; + const struct fal_flash_dev *flash_dev = NULL; + + assert(part); + + if (addr + size > part->len) + { + log_e("Partition erase error! Partition address out of bound."); + return -1; + } + + flash_dev = flash_device_find_by_part(part); + if (flash_dev == NULL) + { + log_e("Partition erase error! Don't found flash device(%s) of the partition(%s).", part->flash_name, part->name); + return -1; + } + + ret = flash_dev->ops.erase(part->offset + addr, size); + if (ret < 0) + { + log_e("Partition erase error! Flash device(%s) erase error!", part->flash_name); + } + + return ret; +} + +/** + * erase partition all data + * + * @param part partition + * + * @return >= 0: successful erased data size + * -1: error + */ +int fal_partition_erase_all(const struct fal_partition *part) +{ + return fal_partition_erase(part, 0, part->len); +} diff --git a/components/fal/src/fal_rtt.c b/components/fal/src/fal_rtt.c new file mode 100644 index 0000000000..7747bff9e7 --- /dev/null +++ b/components/fal/src/fal_rtt.c @@ -0,0 +1,934 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2018-06-23 armink the first version + * 2019-08-22 MurphyZhao adapt to none rt-thread case + */ + +#include <fal.h> + +#ifdef RT_VER_NUM +#include <rtthread.h> +#include <rtdevice.h> +#include <string.h> + +/* ========================== block device ======================== */ +struct fal_blk_device +{ + struct rt_device parent; + struct rt_device_blk_geometry geometry; + const struct fal_partition *fal_part; +}; + +/* RT-Thread device interface */ +#if RTTHREAD_VERSION >= 30000 +static rt_err_t blk_dev_control(rt_device_t dev, int cmd, void *args) +#else +static rt_err_t blk_dev_control(rt_device_t dev, rt_uint8_t cmd, void *args) +#endif +{ + struct fal_blk_device *part = (struct fal_blk_device*) dev; + + assert(part != RT_NULL); + + if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME) + { + struct rt_device_blk_geometry *geometry; + + geometry = (struct rt_device_blk_geometry *) args; + if (geometry == RT_NULL) + { + return -RT_ERROR; + } + + memcpy(geometry, &part->geometry, sizeof(struct rt_device_blk_geometry)); + } + else if (cmd == RT_DEVICE_CTRL_BLK_ERASE) + { + rt_uint32_t *addrs = (rt_uint32_t *) args, start_addr = addrs[0], end_addr = addrs[1], phy_start_addr; + rt_size_t phy_size; + + if (addrs == RT_NULL || start_addr > end_addr) + { + return -RT_ERROR; + } + + if (end_addr == start_addr) + { + end_addr++; + } + + phy_start_addr = start_addr * part->geometry.bytes_per_sector; + phy_size = (end_addr - start_addr) * part->geometry.bytes_per_sector; + + if (fal_partition_erase(part->fal_part, phy_start_addr, phy_size) < 0) + { + return -RT_ERROR; + } + } + + return RT_EOK; +} + +static rt_size_t blk_dev_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +{ + int ret = 0; + struct fal_blk_device *part = (struct fal_blk_device*) dev; + + assert(part != RT_NULL); + + ret = fal_partition_read(part->fal_part, pos * part->geometry.block_size, buffer, size * part->geometry.block_size); + + if (ret != (int)(size * part->geometry.block_size)) + { + ret = 0; + } + else + { + ret = size; + } + + return ret; +} + +static rt_size_t blk_dev_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +{ + int ret = 0; + struct fal_blk_device *part; + rt_off_t phy_pos; + rt_size_t phy_size; + + part = (struct fal_blk_device*) dev; + assert(part != RT_NULL); + + /* change the block device's logic address to physical address */ + phy_pos = pos * part->geometry.bytes_per_sector; + phy_size = size * part->geometry.bytes_per_sector; + + ret = fal_partition_erase(part->fal_part, phy_pos, phy_size); + + if (ret == (int) phy_size) + { + ret = fal_partition_write(part->fal_part, phy_pos, buffer, phy_size); + } + + if (ret != (int) phy_size) + { + ret = 0; + } + else + { + ret = size; + } + + return ret; +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops blk_dev_ops = +{ + RT_NULL, + RT_NULL, + RT_NULL, + blk_dev_read, + blk_dev_write, + blk_dev_control +}; +#endif + +/** + * create RT-Thread block device by specified partition + * + * @param parition_name partition name + * + * @return != NULL: created block device + * NULL: created failed + */ +struct rt_device *fal_blk_device_create(const char *parition_name) +{ + struct fal_blk_device *blk_dev; + const struct fal_partition *fal_part = fal_partition_find(parition_name); + const struct fal_flash_dev *fal_flash = NULL; + + if (!fal_part) + { + log_e("Error: the partition name (%s) is not found.", parition_name); + return NULL; + } + + if ((fal_flash = fal_flash_device_find(fal_part->flash_name)) == NULL) + { + log_e("Error: the flash device name (%s) is not found.", fal_part->flash_name); + return NULL; + } + + blk_dev = (struct fal_blk_device*) rt_malloc(sizeof(struct fal_blk_device)); + if (blk_dev) + { + blk_dev->fal_part = fal_part; + blk_dev->geometry.bytes_per_sector = fal_flash->blk_size; + blk_dev->geometry.block_size = fal_flash->blk_size; + blk_dev->geometry.sector_count = fal_part->len / fal_flash->blk_size; + + /* register device */ + blk_dev->parent.type = RT_Device_Class_Block; + +#ifdef RT_USING_DEVICE_OPS + blk_dev->parent.ops = &blk_dev_ops; +#else + blk_dev->parent.init = NULL; + blk_dev->parent.open = NULL; + blk_dev->parent.close = NULL; + blk_dev->parent.read = blk_dev_read; + blk_dev->parent.write = blk_dev_write; + blk_dev->parent.control = blk_dev_control; +#endif + + /* no private */ + blk_dev->parent.user_data = RT_NULL; + + log_i("The FAL block device (%s) created successfully", fal_part->name); + rt_device_register(RT_DEVICE(blk_dev), fal_part->name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE); + } + else + { + log_e("Error: no memory for create FAL block device"); + } + + return RT_DEVICE(blk_dev); +} + +/* ========================== MTD nor device ======================== */ +#if defined(RT_USING_MTD_NOR) + +struct fal_mtd_nor_device +{ + struct rt_mtd_nor_device parent; + const struct fal_partition *fal_part; +}; + +static rt_size_t mtd_nor_dev_read(struct rt_mtd_nor_device* device, rt_off_t offset, rt_uint8_t* data, rt_uint32_t length) +{ + int ret = 0; + struct fal_mtd_nor_device *part = (struct fal_mtd_nor_device*) device; + + assert(part != RT_NULL); + + ret = fal_partition_read(part->fal_part, offset, data, length); + + if (ret != (int)length) + { + ret = 0; + } + else + { + ret = length; + } + + return ret; +} + +static rt_size_t mtd_nor_dev_write(struct rt_mtd_nor_device* device, rt_off_t offset, const rt_uint8_t* data, rt_uint32_t length) +{ + int ret = 0; + struct fal_mtd_nor_device *part; + + part = (struct fal_mtd_nor_device*) device; + assert(part != RT_NULL); + + ret = fal_partition_write(part->fal_part, offset, data, length); + + if (ret != (int) length) + { + ret = 0; + } + else + { + ret = length; + } + + return ret; +} + +static rt_err_t mtd_nor_dev_erase(struct rt_mtd_nor_device* device, rt_off_t offset, rt_uint32_t length) +{ + int ret = 0; + struct fal_mtd_nor_device *part; + + part = (struct fal_mtd_nor_device*) device; + assert(part != RT_NULL); + + ret = fal_partition_erase(part->fal_part, offset, length); + + if (ret != length) + { + return -RT_ERROR; + } + else + { + return RT_EOK; + } +} + +static const struct rt_mtd_nor_driver_ops _ops = +{ + RT_NULL, + mtd_nor_dev_read, + mtd_nor_dev_write, + mtd_nor_dev_erase, +}; + +/** + * create RT-Thread MTD NOR device by specified partition + * + * @param parition_name partition name + * + * @return != NULL: created MTD NOR device + * NULL: created failed + */ +struct rt_device *fal_mtd_nor_device_create(const char *parition_name) +{ + struct fal_mtd_nor_device *mtd_nor_dev; + const struct fal_partition *fal_part = fal_partition_find(parition_name); + const struct fal_flash_dev *fal_flash = NULL; + + if (!fal_part) + { + log_e("Error: the partition name (%s) is not found.", parition_name); + return NULL; + } + + if ((fal_flash = fal_flash_device_find(fal_part->flash_name)) == NULL) + { + log_e("Error: the flash device name (%s) is not found.", fal_part->flash_name); + return NULL; + } + + mtd_nor_dev = (struct fal_mtd_nor_device*) rt_malloc(sizeof(struct fal_mtd_nor_device)); + if (mtd_nor_dev) + { + mtd_nor_dev->fal_part = fal_part; + + mtd_nor_dev->parent.block_start = 0; + mtd_nor_dev->parent.block_end = fal_part->len / fal_flash->blk_size; + mtd_nor_dev->parent.block_size = fal_flash->blk_size; + + /* set ops */ + mtd_nor_dev->parent.ops = &_ops; + + log_i("The FAL MTD NOR device (%s) created successfully", fal_part->name); + rt_mtd_nor_register_device(fal_part->name, &mtd_nor_dev->parent); + } + else + { + log_e("Error: no memory for create FAL MTD NOR device"); + } + + return RT_DEVICE(&mtd_nor_dev->parent); +} + +#endif /* defined(RT_USING_MTD_NOR) */ + + +/* ========================== char device ======================== */ +struct fal_char_device +{ + struct rt_device parent; + const struct fal_partition *fal_part; +}; + +/* RT-Thread device interface */ +static rt_size_t char_dev_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size) +{ + int ret = 0; + struct fal_char_device *part = (struct fal_char_device *) dev; + + assert(part != RT_NULL); + + if (pos + size > part->fal_part->len) + size = part->fal_part->len - pos; + + ret = fal_partition_read(part->fal_part, pos, buffer, size); + + if (ret != (int)(size)) + ret = 0; + + return ret; +} + +static rt_size_t char_dev_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size) +{ + int ret = 0; + struct fal_char_device *part; + + part = (struct fal_char_device *) dev; + assert(part != RT_NULL); + + if (pos == 0) + { + fal_partition_erase_all(part->fal_part); + } + else if (pos + size > part->fal_part->len) + { + size = part->fal_part->len - pos; + } + + ret = fal_partition_write(part->fal_part, pos, buffer, size); + + if (ret != (int) size) + ret = 0; + + return ret; +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops char_dev_ops = +{ + RT_NULL, + RT_NULL, + RT_NULL, + char_dev_read, + char_dev_write, + RT_NULL +}; +#endif + +#ifdef RT_USING_POSIX +#include <dfs_posix.h> + +/* RT-Thread device filesystem interface */ +static int char_dev_fopen(struct dfs_fd *fd) +{ + struct fal_char_device *part = (struct fal_char_device *) fd->data; + + assert(part != RT_NULL); + + switch (fd->flags & O_ACCMODE) + { + case O_RDONLY: + break; + case O_WRONLY: + case O_RDWR: + /* erase partition when device file open */ + fal_partition_erase_all(part->fal_part); + break; + default: + break; + } + fd->pos = 0; + + return RT_EOK; +} + +static int char_dev_fread(struct dfs_fd *fd, void *buf, size_t count) +{ + int ret = 0; + struct fal_char_device *part = (struct fal_char_device *) fd->data; + + assert(part != RT_NULL); + + if (fd->pos + count > part->fal_part->len) + count = part->fal_part->len - fd->pos; + + ret = fal_partition_read(part->fal_part, fd->pos, buf, count); + + if (ret != (int)(count)) + return 0; + + fd->pos += ret; + + return ret; +} + +static int char_dev_fwrite(struct dfs_fd *fd, const void *buf, size_t count) +{ + int ret = 0; + struct fal_char_device *part = (struct fal_char_device *) fd->data; + + assert(part != RT_NULL); + + if (fd->pos + count > part->fal_part->len) + count = part->fal_part->len - fd->pos; + + ret = fal_partition_write(part->fal_part, fd->pos, buf, count); + + if (ret != (int) count) + return 0; + + fd->pos += ret; + + return ret; +} + +static const struct dfs_file_ops char_dev_fops = +{ + char_dev_fopen, + RT_NULL, + RT_NULL, + char_dev_fread, + char_dev_fwrite, + RT_NULL, /* flush */ + RT_NULL, /* lseek */ + RT_NULL, /* getdents */ + RT_NULL, +}; +#endif /* defined(RT_USING_POSIX) */ + +/** + * create RT-Thread char device by specified partition + * + * @param parition_name partition name + * + * @return != NULL: created char device + * NULL: created failed + */ +struct rt_device *fal_char_device_create(const char *parition_name) +{ + struct fal_char_device *char_dev; + const struct fal_partition *fal_part = fal_partition_find(parition_name); + + if (!fal_part) + { + log_e("Error: the partition name (%s) is not found.", parition_name); + return NULL; + } + + if ((fal_flash_device_find(fal_part->flash_name)) == NULL) + { + log_e("Error: the flash device name (%s) is not found.", fal_part->flash_name); + return NULL; + } + + char_dev = (struct fal_char_device *) rt_malloc(sizeof(struct fal_char_device)); + if (char_dev) + { + char_dev->fal_part = fal_part; + + /* register device */ + char_dev->parent.type = RT_Device_Class_Char; + +#ifdef RT_USING_DEVICE_OPS + char_dev->parent.ops = &char_dev_ops; +#else + char_dev->parent.init = NULL; + char_dev->parent.open = NULL; + char_dev->parent.close = NULL; + char_dev->parent.read = char_dev_read; + char_dev->parent.write = char_dev_write; + char_dev->parent.control = NULL; + /* no private */ + char_dev->parent.user_data = NULL; +#endif + + rt_device_register(RT_DEVICE(char_dev), fal_part->name, RT_DEVICE_FLAG_RDWR); + log_i("The FAL char device (%s) created successfully", fal_part->name); + +#ifdef RT_USING_POSIX + /* set fops */ + char_dev->parent.fops = &char_dev_fops; +#endif + + } + else + { + log_e("Error: no memory for create FAL char device"); + } + + return RT_DEVICE(char_dev); +} + +#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) + +#include <finsh.h> +extern int fal_init_check(void); + +static void fal(uint8_t argc, char **argv) { + +#define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ') +#define HEXDUMP_WIDTH 16 +#define CMD_PROBE_INDEX 0 +#define CMD_READ_INDEX 1 +#define CMD_WRITE_INDEX 2 +#define CMD_ERASE_INDEX 3 +#define CMD_BENCH_INDEX 4 + + int result; + static const struct fal_flash_dev *flash_dev = NULL; + static const struct fal_partition *part_dev = NULL; + size_t i = 0, j = 0; + + const char* help_info[] = + { + [CMD_PROBE_INDEX] = "fal probe [dev_name|part_name] - probe flash device or partition by given name", + [CMD_READ_INDEX] = "fal read addr size - read 'size' bytes starting at 'addr'", + [CMD_WRITE_INDEX] = "fal write addr data1 ... dataN - write some bytes 'data' starting at 'addr'", + [CMD_ERASE_INDEX] = "fal erase addr size - erase 'size' bytes starting at 'addr'", + [CMD_BENCH_INDEX] = "fal bench <blk_size> - benchmark test with per block size", + }; + + if (fal_init_check() != 1) + { + rt_kprintf("\n[Warning] FAL is not initialized or failed to initialize!\n\n"); + return; + } + + if (argc < 2) + { + rt_kprintf("Usage:\n"); + for (i = 0; i < sizeof(help_info) / sizeof(char*); i++) + { + rt_kprintf("%s\n", help_info[i]); + } + rt_kprintf("\n"); + } + else + { + const char *operator = argv[1]; + uint32_t addr, size; + + if (!strcmp(operator, "probe")) + { + if (argc >= 3) + { + char *dev_name = argv[2]; + if ((flash_dev = fal_flash_device_find(dev_name)) != NULL) + { + part_dev = NULL; + } + else if ((part_dev = fal_partition_find(dev_name)) != NULL) + { + flash_dev = NULL; + } + else + { + rt_kprintf("Device %s NOT found. Probe failed.\n", dev_name); + flash_dev = NULL; + part_dev = NULL; + } + } + + if (flash_dev) + { + rt_kprintf("Probed a flash device | %s | addr: %ld | len: %d |.\n", flash_dev->name, + flash_dev->addr, flash_dev->len); + } + else if (part_dev) + { + rt_kprintf("Probed a flash partition | %s | flash_dev: %s | offset: %ld | len: %d |.\n", + part_dev->name, part_dev->flash_name, part_dev->offset, part_dev->len); + } + else + { + rt_kprintf("No flash device or partition was probed.\n"); + rt_kprintf("Usage: %s.\n", help_info[CMD_PROBE_INDEX]); + fal_show_part_table(); + } + } + else + { + if (!flash_dev && !part_dev) + { + rt_kprintf("No flash device or partition was probed. Please run 'fal probe'.\n"); + return; + } + if (!rt_strcmp(operator, "read")) + { + if (argc < 4) + { + rt_kprintf("Usage: %s.\n", help_info[CMD_READ_INDEX]); + return; + } + else + { + addr = strtol(argv[2], NULL, 0); + size = strtol(argv[3], NULL, 0); + uint8_t *data = rt_malloc(size); + if (data) + { + if (flash_dev) + { + result = flash_dev->ops.read(addr, data, size); + } + else if (part_dev) + { + result = fal_partition_read(part_dev, addr, data, size); + } + if (result >= 0) + { + rt_kprintf("Read data success. Start from 0x%08X, size is %ld. The data is:\n", addr, + size); + rt_kprintf("Offset (h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\n"); + for (i = 0; i < size; i += HEXDUMP_WIDTH) + { + rt_kprintf("[%08X] ", addr + i); + /* dump hex */ + for (j = 0; j < HEXDUMP_WIDTH; j++) + { + if (i + j < size) + { + rt_kprintf("%02X ", data[i + j]); + } + else + { + rt_kprintf(" "); + } + } + /* dump char for hex */ + for (j = 0; j < HEXDUMP_WIDTH; j++) + { + if (i + j < size) + { + rt_kprintf("%c", __is_print(data[i + j]) ? data[i + j] : '.'); + } + } + rt_kprintf("\n"); + } + rt_kprintf("\n"); + } + rt_free(data); + } + else + { + rt_kprintf("Low memory!\n"); + } + } + } + else if (!strcmp(operator, "write")) + { + if (argc < 4) + { + rt_kprintf("Usage: %s.\n", help_info[CMD_WRITE_INDEX]); + return; + } + else + { + addr = strtol(argv[2], NULL, 0); + size = argc - 3; + uint8_t *data = rt_malloc(size); + if (data) + { + for (i = 0; i < size; i++) + { + data[i] = strtol(argv[3 + i], NULL, 0); + } + if (flash_dev) + { + result = flash_dev->ops.write(addr, data, size); + } + else if (part_dev) + { + result = fal_partition_write(part_dev, addr, data, size); + } + if (result >= 0) + { + rt_kprintf("Write data success. Start from 0x%08X, size is %ld.\n", addr, size); + rt_kprintf("Write data: "); + for (i = 0; i < size; i++) + { + rt_kprintf("%d ", data[i]); + } + rt_kprintf(".\n"); + } + rt_free(data); + } + else + { + rt_kprintf("Low memory!\n"); + } + } + } + else if (!rt_strcmp(operator, "erase")) + { + if (argc < 4) + { + rt_kprintf("Usage: %s.\n", help_info[CMD_ERASE_INDEX]); + return; + } + else + { + addr = strtol(argv[2], NULL, 0); + size = strtol(argv[3], NULL, 0); + if (flash_dev) + { + result = flash_dev->ops.erase(addr, size); + } + else if (part_dev) + { + result = fal_partition_erase(part_dev, addr, size); + } + if (result >= 0) + { + rt_kprintf("Erase data success. Start from 0x%08X, size is %ld.\n", addr, size); + } + } + } + else if (!strcmp(operator, "bench")) + { + if (argc < 3) + { + rt_kprintf("Usage: %s.\n", help_info[CMD_BENCH_INDEX]); + return; + } + else if ((argc > 3 && strcmp(argv[3], "yes")) || argc < 4) + { + rt_kprintf("DANGER: It will erase full chip or partition! Please run 'fal bench %d yes'.\n", strtol(argv[2], NULL, 0)); + return; + } + /* full chip benchmark test */ + uint32_t start_time, time_cast; + size_t write_size = strtol(argv[2], NULL, 0), read_size = strtol(argv[2], NULL, 0), cur_op_size; + uint8_t *write_data = (uint8_t *)rt_malloc(write_size), *read_data = (uint8_t *)rt_malloc(read_size); + + if (write_data && read_data) + { + for (i = 0; i < write_size; i ++) { + write_data[i] = i & 0xFF; + } + if (flash_dev) + { + size = flash_dev->len; + } + else if (part_dev) + { + size = part_dev->len; + } + /* benchmark testing */ + rt_kprintf("Erasing %ld bytes data, waiting...\n", size); + start_time = rt_tick_get(); + if (flash_dev) + { + result = flash_dev->ops.erase(0, size); + } + else if (part_dev) + { + result = fal_partition_erase(part_dev, 0, size); + } + if (result >= 0) + { + time_cast = rt_tick_get() - start_time; + rt_kprintf("Erase benchmark success, total time: %d.%03dS.\n", time_cast / RT_TICK_PER_SECOND, + time_cast % RT_TICK_PER_SECOND / ((RT_TICK_PER_SECOND * 1 + 999) / 1000)); + } + else + { + rt_kprintf("Erase benchmark has an error. Error code: %d.\n", result); + } + /* write test */ + rt_kprintf("Writing %ld bytes data, waiting...\n", size); + start_time = rt_tick_get(); + for (i = 0; i < size; i += write_size) + { + if (i + write_size <= size) + { + cur_op_size = write_size; + } + else + { + cur_op_size = size - i; + } + if (flash_dev) + { + result = flash_dev->ops.write(i, write_data, cur_op_size); + } + else if (part_dev) + { + result = fal_partition_write(part_dev, i, write_data, cur_op_size); + } + if (result < 0) + { + break; + } + } + if (result >= 0) + { + time_cast = rt_tick_get() - start_time; + rt_kprintf("Write benchmark success, total time: %d.%03dS.\n", time_cast / RT_TICK_PER_SECOND, + time_cast % RT_TICK_PER_SECOND / ((RT_TICK_PER_SECOND * 1 + 999) / 1000)); + } + else + { + rt_kprintf("Write benchmark has an error. Error code: %d.\n", result); + } + /* read test */ + rt_kprintf("Reading %ld bytes data, waiting...\n", size); + start_time = rt_tick_get(); + for (i = 0; i < size; i += read_size) + { + if (i + read_size <= size) + { + cur_op_size = read_size; + } + else + { + cur_op_size = size - i; + } + if (flash_dev) + { + result = flash_dev->ops.read(i, read_data, cur_op_size); + } + else if (part_dev) + { + result = fal_partition_read(part_dev, i, read_data, cur_op_size); + } + /* data check */ + for (int index = 0; index < cur_op_size; index ++) + { + if (write_data[index] != read_data[index]) + { + rt_kprintf("%d %d %02x %02x.\n", i, index, write_data[index], read_data[index]); + } + } + + if (memcmp(write_data, read_data, cur_op_size)) + { + result = -RT_ERROR; + rt_kprintf("Data check ERROR! Please check you flash by other command.\n"); + } + /* has an error */ + if (result < 0) + { + break; + } + } + if (result >= 0) + { + time_cast = rt_tick_get() - start_time; + rt_kprintf("Read benchmark success, total time: %d.%03dS.\n", time_cast / RT_TICK_PER_SECOND, + time_cast % RT_TICK_PER_SECOND / ((RT_TICK_PER_SECOND * 1 + 999) / 1000)); + } + else + { + rt_kprintf("Read benchmark has an error. Error code: %d.\n", result); + } + } + else + { + rt_kprintf("Low memory!\n"); + } + rt_free(write_data); + rt_free(read_data); + } + else + { + rt_kprintf("Usage:\n"); + for (i = 0; i < sizeof(help_info) / sizeof(char*); i++) + { + rt_kprintf("%s\n", help_info[i]); + } + rt_kprintf("\n"); + return; + } + if (result < 0) { + rt_kprintf("This operate has an error. Error code: %d.\n", result); + } + } + } +} +MSH_CMD_EXPORT(fal, FAL (Flash Abstraction Layer) operate.); + +#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */ +#endif /* RT_VER_NUM */ |
