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feature/fota_ops_api: add ota core api implement

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This commit is contained in:
Tian Zhong Xing 2016-11-28 13:53:03 +08:00 committed by tzx
parent db1e86b3d9
commit 72422b32dc
8 changed files with 623 additions and 23 deletions
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5
components/app_update/component.mk Executable file
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#
# Component Makefile
#
# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)

381
components/app_update/esp_ota_ops.c Normal file
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed 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.
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include "esp_err.h"
#include "esp_partition.h"
#include "esp_spi_flash.h"
#include "esp_image_format.h"
#include "esp_secure_boot.h"
#include "sdkconfig.h"
#include "esp_ota_ops.h"
#include "rom/queue.h"
#include "rom/crc.h"
#include "esp_log.h"
#define OTA_MAX(a,b) ((a) >= (b) ? (a) : (b))
#define OTA_MIN(a,b) ((a) <= (b) ? (a) : (b))
#define SUB_TYPE_ID(i) (i & 0x0F)
typedef struct ota_ops_entry_ {
uint32_t handle;
esp_partition_t part;
uint32_t erased_size;
uint32_t wrote_size;
LIST_ENTRY(ota_ops_entry_) entries;
} ota_ops_entry_t;
/* OTA selection structure (two copies in the OTA data partition.)
Size of 32 bytes is friendly to flash encryption */
typedef struct {
uint32_t ota_seq;
uint8_t seq_label[24];
uint32_t crc; /* CRC32 of ota_seq field only */
} ota_select;
static LIST_HEAD(ota_ops_entries_head, ota_ops_entry_) s_ota_ops_entries_head =
LIST_HEAD_INITIALIZER(s_ota_ops_entries_head);
static uint32_t s_ota_ops_last_handle = 0;
static ota_select s_ota_select[2];
const static char *TAG = "esp_ota_ops";
esp_err_t esp_ota_begin(const esp_partition_t *partition, size_t image_size, esp_ota_handle_t *out_handle)
{
esp_err_t ret = ESP_OK;
if ((partition == NULL) || (out_handle == NULL)) {
return ESP_ERR_INVALID_ARG;
}
ota_ops_entry_t *new_entry = (ota_ops_entry_t *) calloc(sizeof(ota_ops_entry_t), 1);
if (new_entry == 0) {
return ESP_ERR_NO_MEM;
}
// if input image size is 0 or OTA_SIZE_UNKNOWN, will erase all areas in this partition
if ((image_size == 0) || (image_size == OTA_SIZE_UNKNOWN)) {
ret = esp_partition_erase_range(partition, 0, partition->size);
} else {
ret = esp_partition_erase_range(partition, 0, (image_size / SPI_FLASH_SEC_SIZE + 1) * SPI_FLASH_SEC_SIZE);
}
if (ret != ESP_OK) {
free(new_entry);
new_entry = NULL;
return ret;
}
LIST_INSERT_HEAD(&s_ota_ops_entries_head, new_entry, entries);
if ((image_size == 0) || (image_size == OTA_SIZE_UNKNOWN)) {
new_entry->erased_size = partition->size;
} else {
new_entry->erased_size = image_size;
}
memcpy(&new_entry->part, partition, sizeof(esp_partition_t));
new_entry->handle = ++s_ota_ops_last_handle;
*out_handle = new_entry->handle;
return ESP_OK;
}
esp_err_t esp_ota_write(esp_ota_handle_t handle, const void *data, size_t size)
{
esp_err_t ret;
ota_ops_entry_t *it;
if (data == NULL) {
ESP_LOGE(TAG, "write data is invalid");
return ESP_ERR_INVALID_ARG;
}
// find ota handle in linked list
for (it = LIST_FIRST(&s_ota_ops_entries_head); it != NULL; it = LIST_NEXT(it, entries)) {
if (it->handle == handle) {
// must erase the partition before writing to it
assert(it->erased_size > 0 && "must erase the partition before writing to it");
ret = esp_partition_write(&it->part, it->wrote_size, data, size);
if(ret == ESP_OK){
it->wrote_size += size;
}
return ret;
}
}
//if go to here ,means don't find the handle
ESP_LOGE(TAG,"not found the handle")
return ESP_ERR_INVALID_ARG;
}
esp_err_t esp_ota_end(esp_ota_handle_t handle)
{
esp_err_t ret;
ota_ops_entry_t *it;
size_t image_size;
for (it = LIST_FIRST(&s_ota_ops_entries_head); it != NULL; it = LIST_NEXT(it, entries)) {
if (it->handle == handle) {
// an ota handle need to be ended after erased and wrote data in it
if ((it->erased_size == 0) || (it->wrote_size == 0)) {
return ESP_ERR_INVALID_ARG;
}
#ifdef CONFIG_SECUREBOOTLOADER
if (esp_image_basic_verify(it->part.address, &image_size) != ESP_OK) {
return ESP_ERR_OTA_VALIDATE_FAILED;
}
ret = esp_secure_boot_verify_signature(it->part.address, image_size);
if (ret != ESP_OK) {
return ESP_ERR_OTA_VALIDATE_FAILED;
}
#endif
LIST_REMOVE(it, entries);
break;
}
}
if (it == NULL) {
return ESP_ERR_NOT_FOUND;
}
free(it);
return ESP_OK;
}
static uint32_t ota_select_crc(const ota_select *s)
{
return crc32_le(UINT32_MAX, (uint8_t *)&s->ota_seq, 4);
}
static bool ota_select_valid(const ota_select *s)
{
return s->ota_seq != UINT32_MAX && s->crc == ota_select_crc(s);
}
static esp_err_t rewrite_ota_seq(uint32_t seq, uint8_t sec_id, const esp_partition_t *ota_data_partition)
{
esp_err_t ret;
if (sec_id == 0 || sec_id == 1) {
s_ota_select[sec_id].ota_seq = seq;
s_ota_select[sec_id].crc = ota_select_crc(&s_ota_select[sec_id]);
ret = spi_flash_erase_range(ota_data_partition->address, SPI_FLASH_SEC_SIZE);
if (ret != ESP_OK) {
return ret;
} else {
return esp_partition_write(ota_data_partition, SPI_FLASH_SEC_SIZE * sec_id, &s_ota_select[sec_id].ota_seq, sizeof(ota_select));
}
} else {
return ESP_ERR_INVALID_ARG;
}
}
static uint8_t get_ota_partition_count(void)
{
uint16_t ota_app_count = 0;
while (esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_MIN + ota_app_count, NULL) != NULL) {
assert(ota_app_count < 16 && "must erase the partition before writing to it");
ota_app_count++;
}
return ota_app_count;
}
static esp_err_t esp_rewrite_ota_data(esp_partition_subtype_t subtype)
{
esp_err_t ret;
const esp_partition_t *find_partition = NULL;
uint16_t ota_app_count = 0;
uint32_t i = 0;
uint32_t seq;
static spi_flash_mmap_memory_t ota_data_map;
const void *result = NULL;
find_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_OTA, NULL);
if (find_partition != NULL) {
ota_app_count = get_ota_partition_count();
//esp32_idf use two sector for store information about which partition is running
//it defined the two sector as ota data partition,two structure ota_select is saved in the two sector
//named data in first sector as s_ota_select[0], second sector data as s_ota_select[1]
//e.g.
//if s_ota_select[0].ota_seq == s_ota_select[1].ota_seq == 0xFFFFFFFF,means ota info partition is in init status
//so it will boot factory application(if there is),if there's no factory application,it will boot ota[0] application
//if s_ota_select[0].ota_seq != 0 and s_ota_select[1].ota_seq != 0,it will choose a max seq ,and get value of max_seq%max_ota_app_number
//and boot a subtype (mask 0x0F) value is (max_seq - 1)%max_ota_app_number,so if want switch to run ota[x],can use next formulas.
//for example, if s_ota_select[0].ota_seq = 4, s_ota_select[1].ota_seq = 5, and there are 8 ota application,
//current running is (5-1)%8 = 4,running ota[4],so if we want to switch to run ota[7],
//we should add s_ota_select[0].ota_seq (is 4) to 4 ,(8-1)%8=7,then it will boot ota[7]
//if A=(B - C)%D
//then B=(A + C)%D + D*n ,n= (0,1,2...)
//so current ota app sub type id is x , dest bin subtype is y,total ota app count is n
//seq will add (x + n*1 + 1 - seq)%n
if (SUB_TYPE_ID(subtype) >= ota_app_count) {
return ESP_ERR_NOT_FOUND;
}
ret = esp_partition_mmap(find_partition, 0, find_partition->size, SPI_FLASH_MMAP_DATA, &result, &ota_data_map);
if (ret != ESP_OK) {
result = NULL;
return ret;
} else {
memcpy(&s_ota_select[0], result, sizeof(ota_select));
memcpy(&s_ota_select[1], result + SPI_FLASH_SEC_SIZE, sizeof(ota_select));
spi_flash_munmap(ota_data_map);
}
if (ota_select_valid(&s_ota_select[0]) && ota_select_valid(&s_ota_select[1])) {
seq = OTA_MAX(s_ota_select[0].ota_seq, s_ota_select[1].ota_seq);
while (seq > (SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count) {
i++;
}
if (s_ota_select[0].ota_seq >= s_ota_select[1].ota_seq) {
return rewrite_ota_seq((SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count, 0, find_partition);
} else {
return rewrite_ota_seq((SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count, 1, find_partition);
}
} else if (ota_select_valid(&s_ota_select[0])) {
while (s_ota_select[0].ota_seq > (SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count) {
i++;
}
return rewrite_ota_seq((SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count, 1, find_partition);
} else if (ota_select_valid(&s_ota_select[1])) {
while (s_ota_select[1].ota_seq > (SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count) {
i++;
}
return rewrite_ota_seq((SUB_TYPE_ID(subtype) + 1) % ota_app_count + i * ota_app_count, 0, find_partition);
} else if (s_ota_select[0].ota_seq == 0xFFFFFFFF && s_ota_select[1].ota_seq == 0xFFFFFFFF) {
return rewrite_ota_seq(SUB_TYPE_ID(subtype) + 1, 0, find_partition);
} else {
return ESP_ERR_OTA_SELECT_INFO_INVALID;
}
} else {
return ESP_ERR_NOT_FOUND;
}
}
esp_err_t esp_ota_set_boot_partition(const esp_partition_t *partition)
{
const esp_partition_t *find_partition = NULL;
size_t image_size;
if (partition == NULL) {
return ESP_ERR_INVALID_ARG;
}
#ifdef CONFIG_SECUREBOOTLOADER
if (esp_image_basic_verify(partition->address, &image_size) != ESP_OK) {
return ESP_ERR_OTA_VALIDATE_FAILED;
}
ret = esp_secure_boot_verify_signature(partition->address, image_size);
if (ret != ESP_OK) {
return ESP_ERR_OTA_VALIDATE_FAILED;
}
#endif
// if set boot partition to factory bin ,just format ota info partition
if (partition->type == ESP_PARTITION_TYPE_APP) {
if (partition->subtype == ESP_PARTITION_SUBTYPE_APP_FACTORY) {
find_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_OTA, NULL);
if (find_partition != NULL) {
return esp_partition_erase_range(find_partition, find_partition->address, find_partition->size);
} else {
return ESP_ERR_NOT_FOUND;
}
} else {
// try to find this partition in flash,if not find it ,return error
find_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_OTA, NULL);
if (find_partition != NULL) {
return esp_rewrite_ota_data(partition->subtype);
} else {
return ESP_ERR_NOT_FOUND;
}
}
} else {
return ESP_ERR_INVALID_ARG;
}
}
const esp_partition_t *esp_ota_get_boot_partition(void)
{
esp_err_t ret;
const esp_partition_t *find_partition = NULL;
static spi_flash_mmap_memory_t ota_data_map;
const void *result = NULL;
uint16_t ota_app_count = 0;
find_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_OTA, NULL);
if (find_partition == NULL) {
ESP_LOGE(TAG, "not found ota data");
return NULL;
}
ret = esp_partition_mmap(find_partition, 0, find_partition->size, SPI_FLASH_MMAP_DATA, &result, &ota_data_map);
if (ret != ESP_OK) {
spi_flash_munmap(ota_data_map);
ESP_LOGE(TAG, "mmap ota data filed");
return NULL;
} else {
memcpy(&s_ota_select[0], result, sizeof(ota_select));
memcpy(&s_ota_select[1], result + 0x1000, sizeof(ota_select));
spi_flash_munmap(ota_data_map);
}
ota_app_count = get_ota_partition_count();
ESP_LOGD(TAG, "found ota bin max = %d", ota_app_count);
if (s_ota_select[0].ota_seq == 0xFFFFFFFF && s_ota_select[1].ota_seq == 0xFFFFFFFF) {
ESP_LOGD(TAG, "finding factory bin......");
return esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_FACTORY, NULL);
} else if (ota_select_valid(&s_ota_select[0]) && ota_select_valid(&s_ota_select[1])) {
ESP_LOGD(TAG, "finding ota_%d bin......", \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + ((OTA_MAX(s_ota_select[0].ota_seq, s_ota_select[1].ota_seq) - 1) % ota_app_count));
return esp_partition_find_first(ESP_PARTITION_TYPE_APP, \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + ((OTA_MAX(s_ota_select[0].ota_seq, s_ota_select[1].ota_seq) - 1) % ota_app_count), NULL);
} else if (ota_select_valid(&s_ota_select[0])) {
ESP_LOGD(TAG, "finding ota_%d bin......", \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + (s_ota_select[0].ota_seq - 1) % ota_app_count);
return esp_partition_find_first(ESP_PARTITION_TYPE_APP, \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + (s_ota_select[0].ota_seq - 1) % ota_app_count, NULL);
} else if (ota_select_valid(&s_ota_select[1])) {
ESP_LOGD(TAG, "finding ota_%d bin......", \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + (s_ota_select[1].ota_seq - 1) % ota_app_count);
return esp_partition_find_first(ESP_PARTITION_TYPE_APP, \
ESP_PARTITION_SUBTYPE_APP_OTA_MIN + (s_ota_select[1].ota_seq - 1) % ota_app_count, NULL);
} else {
ESP_LOGE(TAG, "not found current bin");
return NULL;
}
}

106
components/app_update/include/esp_ota_ops.h Executable file
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@ -0,0 +1,106 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed 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.
#ifndef _OTA_OPS_H
#define _OTA_OPS_H
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "esp_err.h"
#include "esp_partition.h"
#include "esp_spi_flash.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define OTA_SIZE_UNKNOWN 0xffffffff
#define ESP_ERR_OTA_BASE 0x1500 /*!< base error code for ota_ops api */
#define ESP_ERR_OTA_PARTITION_CONFLICT (ESP_ERR_OTA_BASE + 0x01) /*!< want to write or erase current running partition */
#define ESP_ERR_OTA_SELECT_INFO_INVALID (ESP_ERR_OTA_BASE + 0x02) /*!< ota data partition info is error */
#define ESP_ERR_OTA_VALIDATE_FAILED (ESP_ERR_OTA_BASE + 0x03) /*!< validate ota image failed */
/**
* @brief Opaque handle for application update obtained from app_ops.
*/
typedef uint32_t esp_ota_handle_t;
/**
* @brief format input partition in flash to 0xFF as input image size,
* if unkown image size ,pass 0x0 or 0xFFFFFFFF, it will erase all the
* partition ,Otherwise, erase the required range
*
* @param partition Pointer to partition structure which need to be updated
* Must be non-NULL.
* @param image_size size of image need to be updated
* @param out_handle handle which should be used for esp_ota_write or esp_ota_end call
* @return: ESP_OK if format ota image OK
* ESP_ERR_OTA_PARTITION_CONFLICT operate current running bin
* ESP_ERR_OTA_SELECT_INFO_INVALID ota bin select info invalid
*/
esp_err_t esp_ota_begin(const esp_partition_t* partition, size_t image_size, esp_ota_handle_t* out_handle);
/**
* @brief Write data to input input partition
*
* @param handle Handle obtained from esp_ota_begin
* @param data Pointer to data write to flash
* @param size data size of recieved data
*
* @return: ESP_OK if write flash data OK
* ESP_ERR_OTA_PARTITION_CONFLICT operate current running bin
* ESP_ERR_OTA_SELECT_INFO_INVALID ota bin select info invalid
*/
esp_err_t esp_ota_write(esp_ota_handle_t handle, const void* data, size_t size);
/**
* @brief Finish the update and validate written data
*
* @param handle Handle obtained from esp_ota_begin
*
* @return: ESP_OK if validate ota image pass
* ESP_ERR_OTA_VALIDATE_FAILED validate the ota image is invalid
*/
esp_err_t esp_ota_end(esp_ota_handle_t handle);
/**
* @brief Set next boot partition, call system_restart() will switch to run it
*
* @note if you want switch to run a bin file
* has never been checked before,please validate it's signature firstly
*
* @param partition Pointer to partition structure which need to boot
*
* @return: ESP_OK if set next boot partition OK
* ESP_ERR_OTA_SELECT_INFO_INVALID ota bin select info invalid
*/
esp_err_t esp_ota_set_boot_partition(const esp_partition_t* partition);
/**
* @brief Get partition info of current running image
*
* @return pointer to esp_partition_t structure, or NULL if no partition is found or
* operate flash failed,This pointer is valid for the lifetime of the application.
*/
const esp_partition_t* esp_ota_get_boot_partition(void);
#ifdef __cplusplus
}
#endif
#endif /* OTA_OPS_H */

100
components/spi_flash/flash_ops.c
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@ -132,34 +132,90 @@ esp_err_t IRAM_ATTR spi_flash_write(size_t dest_addr, const void *src, size_t si
// Destination alignment is also checked in ROM code, but we can give
// better error code here
// TODO: add handling of unaligned destinations
if (dest_addr % 4 != 0) {
return ESP_ERR_INVALID_ARG;
}
if (size % 4 != 0) {
return ESP_ERR_INVALID_SIZE;
}
if ((uint32_t) src < 0x3ff00000) {
// if source address is in DROM, we won't be able to read it
// from within SPIWrite
// TODO: consider buffering source data using heap and writing it anyway?
return ESP_ERR_INVALID_ARG;
}
uint8_t *temp_write_buf = NULL;
uint8_t pad_head = 0;
uint8_t pad_end = 0;
SpiFlashOpResult rc;
// Out of bound writes are checked in ROM code, but we can give better
// error code here
if (dest_addr + size > g_rom_flashchip.chip_size) {
return ESP_ERR_INVALID_SIZE;
}
COUNTER_START();
spi_flash_disable_interrupts_caches_and_other_cpu();
SpiFlashOpResult rc;
rc = spi_flash_unlock();
if (rc == SPI_FLASH_RESULT_OK) {
rc = SPIWrite((uint32_t) dest_addr, (const uint32_t*) src, (int32_t) size);
COUNTER_ADD_BYTES(write, size);
while(size >= 1024) {
// max need pad byte num for 1024 is 4
temp_write_buf = (uint8_t*)malloc(1024 + 4);
if(temp_write_buf == NULL) {
return ESP_ERR_NO_MEM;
}
if(dest_addr%4 != 0) {
pad_head = dest_addr%4;
pad_end = 4 - pad_head;
}
memset(temp_write_buf,0xFF,pad_head);
memcpy(temp_write_buf + pad_head ,src,1024);
memset(temp_write_buf + pad_head + 1024, 0xFF,pad_end);
COUNTER_START();
spi_flash_disable_interrupts_caches_and_other_cpu();
rc = spi_flash_unlock();
if (rc == SPI_FLASH_RESULT_OK) {
rc = SPIWrite((uint32_t) (dest_addr - pad_head), (const uint32_t*) temp_write_buf, (int32_t) (1024 + pad_head + pad_end));
COUNTER_ADD_BYTES(write, 1024 + pad_head + pad_end);
}
COUNTER_STOP(write);
spi_flash_enable_interrupts_caches_and_other_cpu();
if(rc != ESP_OK) {
free(temp_write_buf);
temp_write_buf = NULL;
return spi_flash_translate_rc(rc);
}
free(temp_write_buf);
temp_write_buf = NULL;
size -= 1024;
dest_addr += 1024;
src = (uint8_t*)src + 1024;
}
spi_flash_enable_interrupts_caches_and_other_cpu();
COUNTER_STOP(write);
return spi_flash_translate_rc(rc);
if(size > 0) {
// max need pad byte num for rand size is 6
temp_write_buf = (uint8_t*)malloc(size + 6);
if(temp_write_buf == NULL) {
return ESP_ERR_NO_MEM;
}
if(dest_addr%4 != 0) {
pad_head = dest_addr%4;
}
if ((pad_head + size)%4 != 0){
pad_end = 4 - (pad_head + size) % 4;
}
memset(temp_write_buf,0xFF,pad_head);
memcpy(temp_write_buf + pad_head, src, size);
memset(temp_write_buf + pad_head + size, 0xFF,pad_end);
COUNTER_START();
spi_flash_disable_interrupts_caches_and_other_cpu();
rc = spi_flash_unlock();
if (rc == SPI_FLASH_RESULT_OK) {
rc = SPIWrite((uint32_t) (dest_addr - pad_head), (const uint32_t*) temp_write_buf, (int32_t) (size + pad_head + pad_end));
COUNTER_ADD_BYTES(write, size + pad_head + pad_end);
}
COUNTER_STOP(write);
spi_flash_enable_interrupts_caches_and_other_cpu();
if(rc != ESP_OK) {
free(temp_write_buf);
temp_write_buf = NULL;
return spi_flash_translate_rc(rc);
}
free(temp_write_buf);
temp_write_buf = NULL;
size = 0;
dest_addr += size;
src = (uint8_t*)src + size;
return spi_flash_translate_rc(rc);
}
return spi_flash_translate_rc(SPI_FLASH_RESULT_OK);
}
esp_err_t IRAM_ATTR spi_flash_read(size_t src_addr, void *dest, size_t size)

4
components/spi_flash/partition.c
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@ -208,6 +208,10 @@ esp_err_t esp_partition_write(const esp_partition_t* partition,
size_t dst_offset, const void* src, size_t size)
{
assert(partition != NULL);
//todo : need add ecrypt write support ,size must be 32-bytes align
if(partition->encrypted == true) {
return ESP_FAIL;
}
if (dst_offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}

3
docs/Doxyfile
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@ -23,7 +23,8 @@ INPUT = ../components/esp32/include/esp_wifi.h \
../components/vfs/include \
../components/spi_flash/include \
../components/esp32/include/esp_int_wdt.h \
../components/esp32/include/esp_task_wdt.h
../components/esp32/include/esp_task_wdt.h \
../components/app_update/include/esp_ota_ops.h
## Get warnings for functions that have no documentation for their parameters or return value
##

46
docs/api/ota.rst Normal file
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@ -0,0 +1,46 @@
OTA
===
Overview
--------
`Instructions`_
Application Example
-------------------
`Instructions`_
API Reference
-------------
`Instructions`_
.. _Instructions: template.html
Header Files
^^^^^^^^^^^^
* `app_update/include/esp_ota_ops.h <https://github.com/espressif/esp-idf/blob/master/components/app_update/include/esp_ota_ops.h>`_
Macros
------
.. doxygendefine:: ESP_ERR_OTA_BASE
.. doxygendefine:: ESP_ERR_OTA_PARTITION_CONFLICT
.. doxygendefine:: ESP_ERR_OTA_SELECT_INFO_INVALID
.. doxygendefine:: ESP_ERR_OTA_VALIDATE_FAILED
Type Definitions
^^^^^^^^^^^^^^^^
.. doxygentypedef:: esp_ota_handle_t
Functions
^^^^^^^^^
.. doxygenfunction:: esp_ota_begin
.. doxygenfunction:: esp_ota_write
.. doxygenfunction:: esp_ota_end
.. doxygenfunction:: esp_ota_set_boot_partition
.. doxygenfunction:: esp_ota_get_boot_partition

1
docs/index.rst
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@ -97,6 +97,7 @@ Contents:
Wi-Fi <api/esp_wifi>
Bluetooth <api/bt>
Watchdogs <api/wdts>
OTA <api/ota>
GPIO <api/gpio>
UART <api/uart>
LED Control <api/ledc>