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The version of WL component changed from 1 to 2. 

WL version 2 mark used sectors as 16 bytes block of bytes with CRC.
This changes required because old version did not worked with encryption.
Additional unit tests are implemented.
pull/2237/merge
Dmitry 2018-06-07 09:58:06 +03:00
rodzic 321b1e0205
commit a6d6c58eca
5 zmienionych plików z 288 dodań i 53 usunięć
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213
components/wear_levelling/WL_Flash.cpp
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@ -55,9 +55,10 @@ esp_err_t WL_Flash::config(wl_config_t *cfg, Flash_Access *flash_drv)
cfg->version,
(uint32_t) cfg->temp_buff_size);
cfg->crc = crc32::crc32_le(WL_CFG_CRC_CONST, (const unsigned char *)cfg, sizeof(wl_config_t) - sizeof(cfg->crc));
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;
@ -74,7 +75,6 @@ esp_err_t WL_Flash::config(wl_config_t *cfg, Flash_Access *flash_drv)
}
WL_RESULT_CHECK(result);
this->temp_buff = (uint8_t *)malloc(this->cfg.temp_buff_size);
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;
@ -87,11 +87,27 @@ esp_err_t WL_Flash::config(wl_config_t *cfg, Flash_Access *flash_drv)
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_LOGV(TAG, "%s - this->addr_state1=0x%08x", __func__, (uint32_t) this->addr_state1);
ESP_LOGV(TAG, "%s - this->addr_state2=0x%08x", __func__, (uint32_t) this->addr_state2);
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;
}
@ -112,12 +128,12 @@ esp_err_t WL_Flash::init()
result = this->flash_drv->read(this->addr_state2, state_copy, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
int check_size = sizeof(wl_state_t) - sizeof(uint32_t);
int check_size = offsetof(wl_state_t, crc);
// 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=%i",
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,
@ -127,8 +143,7 @@ esp_err_t WL_Flash::init()
this->state.pos,
this->state.move_count);
ESP_LOGD(TAG, "%s starts: crc1=%i, crc2 = %i, this->state.crc=%i, state_copy->crc=%i", __func__, crc1, crc2, this->state.crc, state_copy->crc);
ESP_LOGD(TAG, "%s starts: crc1=%i, crc2 = %i, this->state.crc=%i, state_copy->crc=%i, 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) {
@ -143,11 +158,13 @@ esp_err_t WL_Flash::init()
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++) {
uint8_t pos_bits = 0;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i, &pos_bits, 1);
bool pos_bits = 0;
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);
if (pos_bits != 0xff) {
result = this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + i, &pos_bits, 1);
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);
}
}
@ -156,9 +173,13 @@ esp_err_t WL_Flash::init()
result = this->recoverPos();
WL_RESULT_CHECK(result);
}
} else if ((crc1 != this->state.crc) && (crc2 != state_copy->crc)) { // This is just new flash
} 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
result = this->updateVersion();
if (result == ESP_FAIL) {
result = this->initSections();
WL_RESULT_CHECK(result);
}
result = this->recoverPos();
WL_RESULT_CHECK(result);
} else {
@ -169,11 +190,12 @@ esp_err_t WL_Flash::init()
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++) {
uint8_t pos_bits = 0;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i, &pos_bits, 1);
bool pos_bits = 0;
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);
if (pos_bits != 0xff) {
result = this->flash_drv->write(this->addr_state2 + sizeof(wl_state_t) + i, &pos_bits, 1);
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);
}
}
@ -185,11 +207,13 @@ esp_err_t WL_Flash::init()
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++) {
uint8_t pos_bits = 0;
result = this->flash_drv->read(this->addr_state2 + sizeof(wl_state_t) + i, &pos_bits, 1);
bool pos_bits = 0;
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);
if (pos_bits != 0xff) {
result = this->flash_drv->write(this->addr_state1 + sizeof(wl_state_t) + i, &pos_bits, 1);
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);
}
}
@ -206,10 +230,11 @@ esp_err_t WL_Flash::init()
}
if (result != ESP_OK) {
this->initialized = false;
ESP_LOGE(TAG, "%s: returned 0x%x", __func__, result);
ESP_LOGE(TAG, "%s: returned 0x%x", __func__, (uint32_t)result);
return result;
}
this->initialized = true;
ESP_LOGD(TAG, "%s - move_count=%08x", __func__, (uint32_t)this->state.move_count);
return ESP_OK;
}
@ -217,20 +242,25 @@ 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++) {
uint8_t pos_bits = 0;
result = this->flash_drv->read(this->addr_state1 + sizeof(wl_state_t) + i * this->cfg.wr_size, &pos_bits, 1);
WL_RESULT_CHECK(result);
bool pos_bits = false;
position = i;
if (pos_bits == 0xff) {
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=%i, 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, result=%08x", __func__, this->state.pos, result);
ESP_LOGD(TAG, "%s - this->state.pos=0x%08x, position=0x%08x, result=%08x, max_pos=%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;
}
@ -248,10 +278,11 @@ esp_err_t WL_Flash::initSections()
this->state.version = this->cfg.version;
this->state.block_size = this->cfg.page_size;
this->used_bits = 0;
this->state.device_id = rand();
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, sizeof(wl_state_t) - sizeof(uint32_t));
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, offsetof(wl_state_t, crc));
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
@ -273,6 +304,108 @@ esp_err_t WL_Flash::initSections()
return result;
}
esp_err_t WL_Flash::updateVersion()
{
esp_err_t result = ESP_OK;
result = this->updateV1_V2();
if (ESP_OK == result) 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 = offsetof(wl_state_t, crc) - sizeof(uint32_t);
// Chech CRC and recover state
uint32_t crc1 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, check_size);
// For V1 crc in place of device_id and version
uint32_t v1_crc = this->state.device_id;
ESP_LOGD(TAG, "%s - process crc1=0x%08x v1_crc=0x%08x, version=%i", __func__, crc1, v1_crc, this->state.version);
if ((crc1 == v1_crc) && (this->state.version == 1)){
// Here we have to update all internal structures
ESP_LOGV(TAG, "%s Update from V1 to V2", __func__);
uint32_t pos = 0;
for (size_t i = 0; i < this->state.max_pos; i++) {
uint8_t pos_bits = 0;
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=%i, 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
}
}
if (pos == this->state.max_pos) {
pos--;
}
WL_RESULT_CHECK(result);
this->state.version = 2;
this->state.pos = 0;
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, offsetof(wl_state_t, crc));
this->state.device_id = rand();
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 (int 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=%08x, pos=%08x, ", __func__, this->state.move_count, this->state.pos);
memset(this->temp_buff, 0, this->cfg.wr_size);
for (int 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;
@ -316,15 +449,16 @@ esp_err_t WL_Flash::updateWL()
// Here we will update structures...
// Update bits and save to flash:
uint32_t byte_pos = this->state.pos * this->cfg.wr_size;
this->used_bits = 0;
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->used_bits, this->cfg.wr_size);
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=%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->addr_state2 + sizeof(wl_state_t) + byte_pos, &this->used_bits, this->cfg.wr_size);
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=%08x", __func__, result);
this->state.access_count = this->state.max_count - 1; // we will update next time
@ -340,7 +474,7 @@ esp_err_t WL_Flash::updateWL()
this->state.move_count = 0;
}
// write main state
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, sizeof(wl_state_t) - sizeof(uint32_t));
this->state.crc = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, offsetof(wl_state_t, crc));
result = this->flash_drv->erase_range(this->addr_state1, this->state_size);
WL_RESULT_CHECK(result);
@ -350,7 +484,7 @@ esp_err_t WL_Flash::updateWL()
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=%08x", __func__, this->state.move_count);
ESP_LOGD(TAG, "%s - move_count=%08x, pos=%08x, ", __func__, this->state.move_count, this->state.pos);
}
// Save structures to the flash... and check result
if (result == ESP_OK) {
@ -369,7 +503,7 @@ size_t WL_Flash::calcAddr(size_t addr)
} else {
result += this->cfg.page_size;
}
ESP_LOGV(TAG, "%s - addr=0x%08x -> result=0x%08x", __func__, (uint32_t) addr, (uint32_t) result);
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;
}
@ -396,7 +530,7 @@ esp_err_t WL_Flash::erase_sector(size_t sector)
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGV(TAG, "%s - sector=0x%08x", __func__, (uint32_t) sector);
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);
@ -410,7 +544,7 @@ esp_err_t WL_Flash::erase_range(size_t start_address, size_t size)
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGV(TAG, "%s - start_address=0x%08x, size=0x%08x", __func__, (uint32_t) start_address, (uint32_t) size);
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++) {
@ -427,7 +561,7 @@ esp_err_t WL_Flash::write(size_t dest_addr, const void *src, size_t size)
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGV(TAG, "%s - dest_addr=0x%08x, size=0x%08x", __func__, (uint32_t) dest_addr, (uint32_t) size);
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);
@ -446,10 +580,11 @@ esp_err_t WL_Flash::read(size_t src_addr, void *dest, size_t size)
if (!this->initialized) {
return ESP_ERR_INVALID_STATE;
}
ESP_LOGV(TAG, "%s - src_addr=0x%08x, size=0x%08x", __func__, (uint32_t) src_addr, (uint32_t) size);
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);
}
@ -473,6 +608,6 @@ 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_LOGV(TAG, "%s - result=%08x", __func__, result);
ESP_LOGD(TAG, "%s - result=%08x, move_count=%08x", __func__, result, this->state.move_count);
return result;
}

6
components/wear_levelling/private_include/WL_Flash.h
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@ -66,11 +66,17 @@ protected:
uint8_t *temp_buff = NULL;
size_t dummy_addr;
uint8_t used_bits;
uint32_t pos_data[4];
esp_err_t initSections();
esp_err_t updateWL();
esp_err_t recoverPos();
size_t calcAddr(size_t addr);
esp_err_t updateVersion();
esp_err_t updateV1_V2();
void fillOkBuff(int n);
bool OkBuffSet(int n);
};
#endif // _WL_Flash_H_

11
components/wear_levelling/private_include/WL_State.h
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@ -19,7 +19,15 @@
* @brief This structure is used to store current state of flash access
*
*/
typedef struct WL_State_s {
#if defined(_MSC_VER)
#define ALIGNED_(x) __declspec(align(x))
#else
#if defined(__GNUC__)
#define ALIGNED_(x) __attribute__ ((aligned(x)))
#endif
#endif
typedef struct ALIGNED_(32) WL_State_s {
public:
uint32_t pos; /*!< current dummy block position*/
uint32_t max_pos; /*!< maximum amount of positions*/
@ -28,6 +36,7 @@ public:
uint32_t max_count; /*!< max access count when block will be moved*/
uint32_t block_size; /*!< size of move block*/
uint32_t version; /*!< state id used to identify the version of current libary implementaion*/
uint32_t device_id; /*!< ID of current WL instance*/
uint32_t crc; /*!< CRC of structure*/
} wl_state_t;

95
components/wear_levelling/test/test_wl.c
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@ -6,6 +6,8 @@
#include "freertos/portable.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "esp_clk.h"
#include "soc/cpu.h"
TEST_CASE("wl_unmount doesn't leak memory", "[wear_levelling]")
{
@ -27,19 +29,26 @@ TEST_CASE("wl_mount check partition parameters", "[wear_levelling][ignore]")
memcpy(&fake_partition, test_partition, sizeof(fake_partition));
wl_handle_t handle;
size_t size_before, size_after;
wl_unmount(WL_INVALID_HANDLE);
// test small partition
fake_partition.size = SPI_FLASH_SEC_SIZE;
esp_partition_erase_range(test_partition, test_partition->address, test_partition->size);
// test small partition: result should be error
for (int i=0 ; i< 5 ; i++)
{
fake_partition.size = SPI_FLASH_SEC_SIZE*(i);
size_before = xPortGetFreeHeapSize();
TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
size_after = xPortGetFreeHeapSize();
TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
printf("Test for size 0x%08x passed\n", fake_partition.size);
// currently this test leaks memory
}
// test slightly bigger partition
fake_partition.size = SPI_FLASH_SEC_SIZE * 3;
// test minimum size partition: result should be OK
fake_partition.size = SPI_FLASH_SEC_SIZE * 5;
size_before = xPortGetFreeHeapSize();
TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
TEST_ESP_OK(wl_mount(&fake_partition, &handle));
wl_unmount(handle);
size_after = xPortGetFreeHeapSize();
TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
// currently this test hangs
@ -151,3 +160,79 @@ TEST_CASE("multiple tasks can access wl handle simultaneously", "[wear_levelling
vSemaphoreDelete(args4.done);
wl_unmount(handle);
}
#define TEST_SECTORS_COUNT 8
static void check_mem_data(wl_handle_t handle, uint32_t init_val, uint32_t* buff)
{
size_t sector_size = wl_sector_size(handle);
for (int m=0 ; m < TEST_SECTORS_COUNT ; m++) {
TEST_ESP_OK(wl_read(handle, sector_size * m, buff, sector_size));
for (int i=0 ; i< sector_size/sizeof(uint32_t) ; i++) {
uint32_t compare_val = init_val + i + m*sector_size;
TEST_ASSERT_EQUAL( buff[i], compare_val);
}
}
}
// We write complete memory with defined data
// And then write one sector many times.
// A data in other secors should be the same.
// We do this also with unmount
TEST_CASE("multiple write is correct", "[wear_levelling]")
{
const esp_partition_t *partition = get_test_data_partition();
esp_partition_t fake_partition;
memcpy(&fake_partition, partition, sizeof(fake_partition));
fake_partition.size = SPI_FLASH_SEC_SIZE*(4 + TEST_SECTORS_COUNT);
wl_handle_t handle;
TEST_ESP_OK(wl_mount(&fake_partition, &handle));
size_t sector_size = wl_sector_size(handle);
// Erase 8 sectors
TEST_ESP_OK(wl_erase_range(handle, 0, sector_size * TEST_SECTORS_COUNT));
// Write data to all sectors
printf("Check 1 sector_size=0x%08x\n", sector_size);
// Set initial random value
uint32_t init_val = rand();
uint32_t* buff = (uint32_t*)malloc(sector_size);
for (int m=0 ; m < TEST_SECTORS_COUNT ; m++) {
for (int i=0 ; i< sector_size/sizeof(uint32_t) ; i++) {
buff[i] = init_val + i + m*sector_size;
}
TEST_ESP_OK(wl_erase_range(handle, sector_size*m, sector_size));
TEST_ESP_OK(wl_write(handle, sector_size*m, buff, sector_size));
}
check_mem_data(handle, init_val, buff);
uint32_t start;
RSR(CCOUNT, start);
for (int m=0 ; m< 100000 ; m++) {
uint32_t sector = m % TEST_SECTORS_COUNT;
for (int i=0 ; i< sector_size/sizeof(uint32_t) ; i++) {
buff[i] = init_val + i + sector*sector_size;
}
TEST_ESP_OK(wl_erase_range(handle, sector_size*sector, sector_size));
TEST_ESP_OK(wl_write(handle, sector_size*sector, buff, sector_size));
check_mem_data(handle, init_val, buff);
uint32_t end;
RSR(CCOUNT, end);
uint32_t ms = (end - start) / (esp_clk_cpu_freq() / 1000);
printf("loop %4i pass, time= %ims\n", m, ms);
if (ms > 10000) {
break;
}
}
free(buff);
wl_unmount(handle);
}

2
components/wear_levelling/wear_levelling.cpp
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@ -45,7 +45,7 @@
#endif //WL_DEFAULT_START_ADDR
#ifndef WL_CURRENT_VERSION
#define WL_CURRENT_VERSION 1
#define WL_CURRENT_VERSION 2
#endif //WL_CURRENT_VERSION
typedef struct {