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OVMS3-idf/components/wear_levelling/WL_Flash.cpp
Dmitry 82eca97300 Version update from V1 to V2 now done in correct way. 
Before this works only first time.
The source and test updated.
State length was changed to macro.
2018-10-26 09:21:30 +03:00

632 lines
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// Copyright 2015-2017 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 <stdio.h>
#include "esp_system.h"
#include "esp_log.h"
#include "WL_Flash.h"
#include <stdlib.h>
#include "crc32.h"
#include <string.h>
#include <stddef.h>
static const char *TAG = "wl_flash";
#ifndef WL_CFG_CRC_CONST
#define WL_CFG_CRC_CONST UINT32_MAX
#endif // WL_CFG_CRC_CONST
#define WL_RESULT_CHECK(result) \
if (result != ESP_OK) { \
ESP_LOGE(TAG,"%s(%d): result = 0x%08x", __FUNCTION__, __LINE__, result); \
return (result); \
}
#ifndef _MSC_VER // MSVS has different format for this define
static_assert(sizeof(wl_state_t) % 32 == 0, "wl_state_t structure size must be multiple of flash encryption unit size");
#endif // _MSC_VER
WL_Flash::WL_Flash()
{
}
WL_Flash::~WL_Flash()
{
free(this->temp_buff);
}
esp_err_t WL_Flash::config(wl_config_t *cfg, Flash_Access *flash_drv)
{
ESP_LOGV(TAG, "%s start_addr=0x%08x, full_mem_size=0x%08x, page_size=0x%08x, sector_size=0x%08x, updaterate=0x%08x, wr_size=0x%08x, version=0x%08x, temp_buff_size=0x%08x", __func__,
(uint32_t) cfg->start_addr,
cfg->full_mem_size,
cfg->page_size,
cfg->sector_size,
cfg->updaterate,
cfg->wr_size,
cfg->version,
(uint32_t) cfg->temp_buff_size);
cfg->crc = crc32::crc32_le(WL_CFG_CRC_CONST, (const unsigned char *)cfg, offsetof(wl_config_t, crc));
esp_err_t result = ESP_OK;
memcpy(&this->cfg, cfg, sizeof(wl_config_t));
if (this->cfg.temp_buff_size < this->cfg.wr_size) {
this->cfg.temp_buff_size = this->cfg.wr_size;
}
this->configured = false;
if (cfg == NULL) {
result = ESP_ERR_INVALID_ARG;
}
this->flash_drv = flash_drv;
if (flash_drv == NULL) {
result = ESP_ERR_INVALID_ARG;
}
if ((this->cfg.sector_size % this->cfg.temp_buff_size) != 0) {
result = ESP_ERR_INVALID_ARG;
}
if (this->cfg.page_size < this->cfg.sector_size) {
result = ESP_ERR_INVALID_ARG;
}
WL_RESULT_CHECK(result);
this->state_size = this->cfg.sector_size;
if (this->state_size < (sizeof(wl_state_t) + (this->cfg.full_mem_size / this->cfg.sector_size)*this->cfg.wr_size)) {
this->state_size = ((sizeof(wl_state_t) + (this->cfg.full_mem_size / this->cfg.sector_size) * this->cfg.wr_size) + this->cfg.sector_size - 1) / this->cfg.sector_size;
this->state_size = this->state_size * this->cfg.sector_size;
}
this->cfg_size = (sizeof(wl_config_t) + this->cfg.sector_size - 1) / this->cfg.sector_size;
this->cfg_size = cfg_size * this->cfg.sector_size;
this->addr_cfg = this->cfg.start_addr + this->cfg.full_mem_size - this->cfg_size;
this->addr_state1 = this->cfg.start_addr + this->cfg.full_mem_size - this->state_size * 2 - this->cfg_size; // allocate data at the end of memory
this->addr_state2 = this->cfg.start_addr + this->cfg.full_mem_size - this->state_size * 1 - this->cfg_size; // allocate data at the end of memory
ptrdiff_t flash_sz = ((this->cfg.full_mem_size - this->state_size * 2 - this->cfg_size) / this->cfg.page_size - 1) * this->cfg.page_size; // -1 remove dummy block
this->flash_size = ((this->cfg.full_mem_size - this->state_size * 2 - this->cfg_size) / this->cfg.page_size - 1) * this->cfg.page_size; // -1 remove dummy block
ESP_LOGD(TAG, "%s - config result: state_size=0x%08x, cfg_size=0x%08x, addr_cfg=0x%08x, addr_state1=0x%08x, addr_state2=0x%08x, flash_size=0x%08x", __func__,
(uint32_t) this->state_size,
(uint32_t) this->cfg_size,
(uint32_t) this->addr_cfg,
(uint32_t) this->addr_state1,
(uint32_t) this->addr_state2,
(uint32_t) this->flash_size
);
if (flash_sz <= 0) {
result = ESP_ERR_INVALID_ARG;
}
WL_RESULT_CHECK(result);
this->temp_buff = (uint8_t *)malloc(this->cfg.temp_buff_size);
if (this->temp_buff == NULL) {
result = ESP_ERR_NO_MEM;
}
WL_RESULT_CHECK(result);
this->configured = true;
return ESP_OK;
}
esp_err_t WL_Flash::init()
{
esp_err_t result = ESP_OK;
if (this->configured == false) {
ESP_LOGW(TAG, "WL_Flash: not configured, call config() first");
return ESP_ERR_INVALID_STATE;
}
// If flow will be interrupted by error, then this flag will be false
this->initialized = false;
// Init states if it is first time...
this->flash_drv->read(this->addr_state1, &this->state, sizeof(wl_state_t));
wl_state_t sa_copy;
wl_state_t *state_copy = &sa_copy;
result = this->flash_drv->read(this->addr_state2, state_copy, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
int check_size = WL_STATE_CRC_LEN_V2;
// Chech CRC and recover state
uint32_t crc1 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, check_size);
uint32_t crc2 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)state_copy, check_size);
ESP_LOGD(TAG, "%s - config ID=%i, stored ID=%i, access_count=%i, block_size=%i, max_count=%i, pos=%i, move_count=0x%8.8X",
__func__,
this->cfg.version,
this->state.version,
this->state.access_count,
this->state.block_size,
this->state.max_count,
this->state.pos,
this->state.move_count);
ESP_LOGD(TAG, "%s starts: crc1= 0x%08x, crc2 = 0x%08x, this->state.crc= 0x%08x, state_copy->crc= 0x%08x, version=%i, read_version=%i", __func__, crc1, crc2, this->state.crc, state_copy->crc, this->cfg.version, this->state.version);
if ((crc1 == this->state.crc) && (crc2 == state_copy->crc)) {
// The state is OK. Check the ID
if (this->state.version != this->cfg.version) {
result = this->initSections();
WL_RESULT_CHECK(result);
result = this->recoverPos();
WL_RESULT_CHECK(result);
} else {
if (crc1 != crc2) {// we did not update second structure.
result = this->flash_drv->erase_range(this->addr_state2, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
for (size_t i = 0; i < ((this->cfg.full_mem_size / this->cfg.sector_size)*this->cfg.wr_size); i++) {
bool pos_bits;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
pos_bits = this->OkBuffSet(i);
if (pos_bits == true) {
//this->fillOkBuff(i);
result = this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
}
}
}
ESP_LOGD(TAG, "%s: crc1=0x%08x, crc2 = 0x%08x, result= 0x%08x", __func__, crc1, crc2, (uint32_t)result);
result = this->recoverPos();
WL_RESULT_CHECK(result);
}
} else if ((crc1 != this->state.crc) && (crc2 != state_copy->crc)) { // This is just new flash or new version
// Check if this is new version or just new instance of WL
ESP_LOGD(TAG, "%s: try to update version - crc1= 0x%08x, crc2 = 0x%08x, result= 0x%08x", __func__, (uint32_t)crc1, (uint32_t)crc2, (uint32_t)result);
result = this->updateVersion();
if (result == ESP_FAIL) {
ESP_LOGD(TAG, "%s: init flash sections", __func__);
result = this->initSections();
WL_RESULT_CHECK(result);
}
result = this->recoverPos();
WL_RESULT_CHECK(result);
} else {
// recover broken state
if (crc1 == this->state.crc) {// we have to recover state 2
result = this->flash_drv->erase_range(this->addr_state2, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
for (size_t i = 0; i < ((this->cfg.full_mem_size / this->cfg.sector_size) * this->cfg.wr_size); i++) {
bool pos_bits;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
pos_bits = this->OkBuffSet(i);
if (pos_bits == true) {
result = this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
}
}
result = this->flash_drv->read(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
} else { // we have to recover state 1
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state1, state_copy, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
for (size_t i = 0; i < ((this->cfg.full_mem_size / this->cfg.sector_size) * this->cfg.wr_size); i++) {
bool pos_bits;
result = this->flash_drv->read(this->addr_state2 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
pos_bits = this->OkBuffSet(i);
if (pos_bits == true) {
result = this->flash_drv->write(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
}
}
result = this->flash_drv->read(this->addr_state1, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
this->state.pos = this->state.max_pos - 1;
}
// done. We have recovered the state
// If we have a new configuration, we will overwrite it
if (this->state.version != this->cfg.version) {
result = this->initSections();
WL_RESULT_CHECK(result);
}
}
if (result != ESP_OK) {
this->initialized = false;
ESP_LOGE(TAG, "%s: returned 0x%08x", __func__, (uint32_t)result);
return result;
}
this->initialized = true;
ESP_LOGD(TAG, "%s - move_count= 0x%08x", __func__, (uint32_t)this->state.move_count);
return ESP_OK;
}
esp_err_t WL_Flash::recoverPos()
{
esp_err_t result = ESP_OK;
size_t position = 0;
ESP_LOGV(TAG, "%s start", __func__);
for (size_t i = 0; i < this->state.max_pos; i++) {
bool pos_bits;
position = i;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
pos_bits = this->OkBuffSet(i);
WL_RESULT_CHECK(result);
ESP_LOGV(TAG, "%s - check pos: result=0x%08x, position= %i, pos_bits= 0x%08x", __func__, (uint32_t)result, (uint32_t)position, (uint32_t)pos_bits);
if (pos_bits == false) {
break; // we have found position
}
}
this->state.pos = position;
if (this->state.pos == this->state.max_pos) {
this->state.pos--;
}
ESP_LOGD(TAG, "%s - this->state.pos= 0x%08x, position= 0x%08x, result= 0x%08x, max_pos= 0x%08x", __func__, (uint32_t)this->state.pos, (uint32_t)position, (uint32_t)result, (uint32_t)this->state.max_pos);
ESP_LOGV(TAG, "%s done", __func__);
return result;
}
esp_err_t WL_Flash::initSections()
{
esp_err_t result = ESP_OK;
this->state.pos = 0;
this->state.access_count = 0;
this->state.move_count = 0;
// max count
this->state.max_count = this->flash_size / this->state_size * this->cfg.updaterate;
if (this->cfg.updaterate != 0) {
this->state.max_count = this->cfg.updaterate;
}
this->state.version = this->cfg.version;
this->state.block_size = this->cfg.page_size;
this->state.device_id = esp_random();
memset(this->state.reserved, 0, sizeof(this->state.reserved));
this->state.max_pos = 1 + this->flash_size / this->cfg.page_size;
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, WL_STATE_CRC_LEN_V2);
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state1, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
// write state copy
result = this->flash_drv->erase_range(this->addr_state2, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
result = this->flash_drv->erase_range(this->addr_cfg, this->cfg_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_cfg, &this->cfg, sizeof(wl_config_t));
WL_RESULT_CHECK(result);
ESP_LOGD(TAG, "%s - this->state->max_count= 0x%08x, this->state->max_pos= 0x%08x", __func__, this->state.max_count, this->state.max_pos);
ESP_LOGD(TAG, "%s - result= 0x%08x", __func__, result);
return result;
}
esp_err_t WL_Flash::updateVersion()
{
esp_err_t result = ESP_OK;
result = this->updateV1_V2();
if (result == ESP_OK) {
return result;
}
// check next version
return result;
}
esp_err_t WL_Flash::updateV1_V2()
{
esp_err_t result = ESP_OK;
// Check crc for old version and old version
ESP_LOGV(TAG, "%s start", __func__);
int check_size = WL_STATE_CRC_LEN_V1;
// Chech CRC and recover state
uint32_t crc1 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, check_size);
wl_state_t sa_copy;
wl_state_t *state_copy = &sa_copy;
result = this->flash_drv->read(this->addr_state2, state_copy, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
uint32_t crc2 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)state_copy, check_size);
// For V1 crc in place of device_id and version
uint32_t v1_crc1 = this->state.device_id;
uint32_t v1_crc2 = state_copy->device_id;
ESP_LOGD(TAG, "%s - process crc1=0x%08x, crc2=0x%08x, v1_crc1=0x%08x, v1_crc2=0x%08x, version=%i", __func__, crc1, crc2, v1_crc1, v1_crc2, this->state.version);
if ((crc1 == v1_crc1) && (crc2 == v1_crc2) && (v1_crc1 == v1_crc2) && (this->state.version == 1) && (state_copy->version == 1)) {
// Here we have to update all internal structures
ESP_LOGI(TAG, "%s Update from V1 to V2, crc=0x%08x, ", __func__, crc1);
uint32_t pos = 0;
for (size_t i = 0; i < this->state.max_pos; i++) {
uint8_t pos_bits;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, &pos_bits, 1);
WL_RESULT_CHECK(result);
ESP_LOGV(TAG, "%s- result= 0x%08x, pos= %i, pos_bits= 0x%08x", __func__, (uint32_t)result, (uint32_t)pos, (uint32_t)pos_bits);
pos = i;
if (pos_bits == 0xff) {
break; // we have found position
}
}
ESP_LOGI(TAG, "%s max_pos=%i, pos=%i, state.ver=%i, state2.ver=%i", __func__, (uint32_t)this->state.max_pos, (uint32_t)pos, (uint32_t)this->state.version, (uint32_t)state_copy->version);
if (pos == this->state.max_pos) {
pos--;
}
WL_RESULT_CHECK(result);
this->state.version = 2;
this->state.pos = 0;
this->state.device_id = esp_random();
memset(this->state.reserved, 0, sizeof(this->state.reserved));
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, WL_STATE_CRC_LEN_V2);
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state1, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
memset(this->temp_buff, 0, this->cfg.wr_size);
for (uint32_t i = 0 ; i <= pos; i++) {
this->fillOkBuff(i);
result = this->flash_drv->write(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
}
result = this->flash_drv->erase_range(this->addr_state2, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
ESP_LOGD(TAG, "%s - move_count= 0x%08x, pos= 0x%08x", __func__, this->state.move_count, this->state.pos);
memset(this->temp_buff, 0, this->cfg.wr_size);
for (uint32_t i = 0 ; i <= pos; i++) {
this->fillOkBuff(i);
result = this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + i * this->cfg.wr_size, this->temp_buff, this->cfg.wr_size);
WL_RESULT_CHECK(result);
}
this->state.pos = pos;
return result;
}
return ESP_FAIL;
}
void WL_Flash::fillOkBuff(int n)
{
uint32_t *buff = (uint32_t *)this->temp_buff;
for (int i = 0 ; i < 4 ; i++) {
buff[i] = this->state.device_id + n * 4 + i;
buff[i] = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&buff[i], sizeof(uint32_t));
}
}
bool WL_Flash::OkBuffSet(int n)
{
bool result = true;
uint32_t *data_buff = (uint32_t *)this->temp_buff;
for (int i = 0 ; i < 4 ; i++) {
uint32_t data = this->state.device_id + n * 4 + i;
uint32_t crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&data, sizeof(uint32_t));
if (crc != data_buff[i]) {
result = false;
}
}
return result;
}
esp_err_t WL_Flash::updateWL()
{
esp_err_t result = ESP_OK;
this->state.access_count++;
if (this->state.access_count < this->state.max_count) {
return result;
}
// Here we have to move the block and increase the state
this->state.access_count = 0;
ESP_LOGV(TAG, "%s - access_count= 0x%08x, pos= 0x%08x", __func__, this->state.access_count, this->state.pos);
// copy data to dummy block
size_t data_addr = this->state.pos + 1; // next block, [pos+1] copy to [pos]
if (data_addr >= this->state.max_pos) {
data_addr = 0;
}
data_addr = this->cfg.start_addr + data_addr * this->cfg.page_size;
this->dummy_addr = this->cfg.start_addr + this->state.pos * this->cfg.page_size;
result = this->flash_drv->erase_range(this->dummy_addr, this->cfg.page_size);
if (result != ESP_OK) {
ESP_LOGE(TAG, "%s - erase wl dummy sector result= 0x%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
return result;
}
size_t copy_count = this->cfg.page_size / this->cfg.temp_buff_size;
for (size_t i = 0; i < copy_count; i++) {
result = this->flash_drv->read(data_addr + i * this->cfg.temp_buff_size, this->temp_buff, this->cfg.temp_buff_size);
if (result != ESP_OK) {
ESP_LOGE(TAG, "%s - not possible to read buffer, will try next time, result= 0x%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
return result;
}
result = this->flash_drv->write(this->dummy_addr + i * this->cfg.temp_buff_size, this->temp_buff, this->cfg.temp_buff_size);
if (result != ESP_OK) {
ESP_LOGE(TAG, "%s - not possible to write buffer, will try next time, result= 0x%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
return result;
}
}
// done... block moved.
// Here we will update structures...
// Update bits and save to flash:
uint32_t byte_pos = this->state.pos * this->cfg.wr_size;
this->fillOkBuff(this->state.pos);
// write state to mem. We updating only affected bits
result |= this->flash_drv->write(this->addr_state1 + sizeof(wl_state_t) + byte_pos, this->temp_buff, this->cfg.wr_size);
if (result != ESP_OK) {
ESP_LOGE(TAG, "%s - update position 1 result= 0x%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
return result;
}
this->fillOkBuff(this->state.pos);
result |= this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + byte_pos, this->temp_buff, this->cfg.wr_size);
if (result != ESP_OK) {
ESP_LOGE(TAG, "%s - update position 2 result= 0x%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
return result;
}
this->state.pos++;
if (this->state.pos >= this->state.max_pos) {
this->state.pos = 0;
// one loop more
this->state.move_count++;
if (this->state.move_count >= (this->state.max_pos - 1)) {
this->state.move_count = 0;
}
// write main state
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, WL_STATE_CRC_LEN_V2);
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state1, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
result = this->flash_drv->erase_range(this->addr_state2, this->state_size);
WL_RESULT_CHECK(result);
result = this->flash_drv->write(this->addr_state2, &this->state, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
ESP_LOGD(TAG, "%s - move_count= 0x%08x, pos= 0x%08x, ", __func__, this->state.move_count, this->state.pos);
}
// Save structures to the flash... and check result
if (result == ESP_OK) {
ESP_LOGV(TAG, "%s - result= 0x%08x", __func__, result);
} else {
ESP_LOGE(TAG, "%s - result= 0x%08x", __func__, result);
}
return result;
}
size_t WL_Flash::calcAddr(size_t addr)
{
size_t result = (this->flash_size - this->state.move_count * this->cfg.page_size + addr) % this->flash_size;
size_t dummy_addr = this->state.pos * this->cfg.page_size;
if (result < dummy_addr) {
} else {
result += this->cfg.page_size;
}
ESP_LOGV(TAG, "%s - addr= 0x%08x -> result= 0x%08x, dummy_addr= 0x%08x", __func__, (uint32_t) addr, (uint32_t) result, (uint32_t)dummy_addr);
return result;
}
size_t WL_Flash::chip_size()
{
if (!this->configured) {
return 0;
}
return this->flash_size;
}
size_t WL_Flash::sector_size()
{
if (!this->configured) {
return 0;
}
return this->cfg.sector_size;
}
esp_err_t WL_Flash::erase_sector(size_t sector)
{
esp_err_t result = ESP_OK;
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGD(TAG, "%s - sector= 0x%08x", __func__, (uint32_t) sector);
result = this->updateWL();
WL_RESULT_CHECK(result);
size_t virt_addr = this->calcAddr(sector * this->cfg.sector_size);
result = this->flash_drv->erase_sector((this->cfg.start_addr + virt_addr) / this->cfg.sector_size);
WL_RESULT_CHECK(result);
return result;
}
esp_err_t WL_Flash::erase_range(size_t start_address, size_t size)
{
esp_err_t result = ESP_OK;
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGD(TAG, "%s - start_address= 0x%08x, size= 0x%08x", __func__, (uint32_t) start_address, (uint32_t) size);
size_t erase_count = (size + this->cfg.sector_size - 1) / this->cfg.sector_size;
size_t start_sector = start_address / this->cfg.sector_size;
for (size_t i = 0; i < erase_count; i++) {
result = this->erase_sector(start_sector + i);
WL_RESULT_CHECK(result);
}
ESP_LOGV(TAG, "%s - result= 0x%08x", __func__, result);
return result;
}
esp_err_t WL_Flash::write(size_t dest_addr, const void *src, size_t size)
{
esp_err_t result = ESP_OK;
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGD(TAG, "%s - dest_addr= 0x%08x, size= 0x%08x", __func__, (uint32_t) dest_addr, (uint32_t) size);
uint32_t count = (size - 1) / this->cfg.page_size;
for (size_t i = 0; i < count; i++) {
size_t virt_addr = this->calcAddr(dest_addr + i * this->cfg.page_size);
result = this->flash_drv->write(this->cfg.start_addr + virt_addr, &((uint8_t *)src)[i * this->cfg.page_size], this->cfg.page_size);
WL_RESULT_CHECK(result);
}
size_t virt_addr_last = this->calcAddr(dest_addr + count * this->cfg.page_size);
result = this->flash_drv->write(this->cfg.start_addr + virt_addr_last, &((uint8_t *)src)[count * this->cfg.page_size], size - count * this->cfg.page_size);
WL_RESULT_CHECK(result);
return result;
}
esp_err_t WL_Flash::read(size_t src_addr, void *dest, size_t size)
{
esp_err_t result = ESP_OK;
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGD(TAG, "%s - src_addr= 0x%08x, size= 0x%08x", __func__, (uint32_t) src_addr, (uint32_t) size);
uint32_t count = (size - 1) / this->cfg.page_size;
for (size_t i = 0; i < count; i++) {
size_t virt_addr = this->calcAddr(src_addr + i * this->cfg.page_size);
ESP_LOGV(TAG, "%s - real_addr= 0x%08x, size= 0x%08x", __func__, (uint32_t) (this->cfg.start_addr + virt_addr), (uint32_t) size);
result = this->flash_drv->read(this->cfg.start_addr + virt_addr, &((uint8_t *)dest)[i * this->cfg.page_size], this->cfg.page_size);
WL_RESULT_CHECK(result);
}
size_t virt_addr_last = this->calcAddr(src_addr + count * this->cfg.page_size);
result = this->flash_drv->read(this->cfg.start_addr + virt_addr_last, &((uint8_t *)dest)[count * this->cfg.page_size], size - count * this->cfg.page_size);
WL_RESULT_CHECK(result);
return result;
}
Flash_Access *WL_Flash::get_drv()
{
return this->flash_drv;
}
wl_config_t *WL_Flash::get_cfg()
{
return &this->cfg;
}
esp_err_t WL_Flash::flush()
{
esp_err_t result = ESP_OK;
this->state.access_count = this->state.max_count - 1;
result = this->updateWL();
ESP_LOGD(TAG, "%s - result= 0x%08x, move_count= 0x%08x", __func__, result, this->state.move_count);
return result;
}
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