esp-idf/components/spi_flash/test/test_partitions.c
2020-07-20 10:55:41 +00:00

149 lines
4.7 KiB
C

// Copyright 2010-2016 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.
// Test for spi_flash_{read,write}.
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/param.h>
#include <unity.h>
#include <test_utils.h>
#include <esp_image_format.h>
#include <esp_log.h>
#include <esp_partition.h>
#include <esp_attr.h>
TEST_CASE("Test erase partition", "[spi_flash][esp_flash]")
{
const esp_partition_t *part = get_test_data_partition();
#if CONFIG_SPI_FLASH_ENABLE_COUNTERS
spi_flash_reset_counters();
#endif
// erase whole partition
ESP_ERROR_CHECK( esp_partition_erase_range(part, 0, part->size) );
#if CONFIG_SPI_FLASH_ENABLE_COUNTERS
spi_flash_dump_counters();
#endif
// put some dummy data on sector boundaries
const static DRAM_ATTR char some_data[] = "abcdefghijklmn";
for (int i = 0; i < part->size; i+= 4096) {
ESP_ERROR_CHECK( esp_partition_write(part, i, some_data, strlen(some_data)) );
}
// check it's there!
char buf[strlen(some_data)];
for (int i = 0; i < part->size; i+= 4096) {
memset(buf, 0x00, sizeof(buf));
ESP_ERROR_CHECK( esp_partition_read(part, i, buf, sizeof(buf)) );
TEST_ASSERT_EQUAL_INT(0, strncmp(buf, some_data, sizeof(buf)));
}
// erase the whole thing again
ESP_ERROR_CHECK( esp_partition_erase_range(part, 0, part->size) );
// check it's gone
for (int i = 0; i < part->size; i+= 4096) {
memset(buf, 0x00, sizeof(buf));
ESP_ERROR_CHECK( esp_partition_read(part, i, buf, sizeof(buf)) );
for (int i = 0; i < sizeof(buf); i++) {
TEST_ASSERT_EQUAL_HEX8(0xFF, buf[i]);
}
}
}
static bool s_test_nonzero_sha_of_partition(const esp_partition_t *part, bool allow_invalid_image)
{
uint8_t sha256[32] = { 0 };
TEST_ASSERT_NOT_NULL(part);
esp_err_t err = esp_partition_get_sha256(part, sha256);
if (allow_invalid_image && err == ESP_ERR_IMAGE_INVALID) {
printf("App partition at 0x%x doesn't hold a valid app\n", part->address);
return false;
}
// Otherwise, err should be ESP_OK
ESP_ERROR_CHECK(err);
ESP_LOG_BUFFER_HEX("sha", sha256, sizeof(sha256));
for (int i = 0; i < sizeof(sha256); i++) {
if (sha256[i] != 0) {
return true; // At least one non-zero byte!
}
}
TEST_FAIL_MESSAGE("SHA-256 of data partition should not be all zeroes");
abort(); // unreachable
}
TEST_CASE("Test esp_partition_get_sha256() with data", "[spi_flash]")
{
const esp_partition_t *part = get_test_data_partition();
s_test_nonzero_sha_of_partition(part, false);
}
TEST_CASE("Test esp_partition_get_sha256() with app", "[spi_flash]")
{
bool found_valid_app = false;
esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_APP,
ESP_PARTITION_SUBTYPE_ANY,
NULL);
TEST_ASSERT_NOT_NULL(it); /* has to be at least one app partition */
while (it != NULL) {
const esp_partition_t *part = esp_partition_get(it);
printf("Hashing app partition at 0x%x\n", part->address);
bool valid = s_test_nonzero_sha_of_partition(part, true);
found_valid_app |= valid;
it = esp_partition_next(it);
}
TEST_ASSERT_MESSAGE(found_valid_app, "At least one app partition should be a valid app partition");
}
TEST_CASE("Test esp_partition_get_sha256() that it can handle a big partition", "[spi_flash]")
{
esp_partition_t partition;
const void *ptr;
spi_flash_mmap_handle_t handle;
uint8_t sha256[32] = { 0 };
size_t size_flash_chip = spi_flash_get_chip_size();
printf("size_flash_chip = %d bytes\n", size_flash_chip);
ESP_ERROR_CHECK(spi_flash_mmap(0x00000000, size_flash_chip * 7 / 10, SPI_FLASH_MMAP_DATA, &ptr, &handle));
TEST_ASSERT_NOT_NULL(ptr);
partition.address = 0x00000000;
partition.size = size_flash_chip;
partition.type = ESP_PARTITION_TYPE_DATA;
ESP_ERROR_CHECK(esp_partition_get_sha256(&partition, sha256));
ESP_LOG_BUFFER_HEX("sha", sha256, sizeof(sha256));
spi_flash_munmap(handle);
}