11d2db40f4
* Writing >4 bytes to unaligned offsets would fail * Writiing data from flash would fail (wrong buffer was used) * Writing >8192 bytes from RAM would over-write data multiple times Adds test cases for the above.
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
// Copyright 2010-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Test for spi_flash_write() with large buffers (in RAM or on flash)
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#include <assert.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include <unity.h>
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#include <test_utils.h>
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#include <esp_spi_flash.h>
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#include <esp_log.h>
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#include <rom/spi_flash.h>
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#include "../cache_utils.h"
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#include "soc/timer_group_struct.h"
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#include "soc/timer_group_reg.h"
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static const uint8_t large_const_buffer[16400] = {
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203, // first byte
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1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
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21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,
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[50 ... 99] = 2,
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[1600 ... 2000] = 3,
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[8000 ... 9000] = 77,
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[15000 ... 16398] = 8,
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43 // last byte
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};
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static void test_write_large_buffer(const uint8_t *source, size_t length);
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TEST_CASE("Test spi_flash_write large const buffer", "[spi_flash]")
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{
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// buffer in flash
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test_write_large_buffer(large_const_buffer, sizeof(large_const_buffer));
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}
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TEST_CASE("Test spi_flash_write large RAM buffer", "[spi_flash]")
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{
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// buffer in RAM
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uint8_t *source_buf = malloc(sizeof(large_const_buffer));
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TEST_ASSERT_NOT_NULL(source_buf);
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memcpy(source_buf, large_const_buffer, sizeof(large_const_buffer));
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test_write_large_buffer(source_buf, sizeof(large_const_buffer));
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free(source_buf);
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}
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static void test_write_large_buffer(const uint8_t *source, size_t length)
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{
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const esp_partition_t *part = get_test_data_partition();
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TEST_ASSERT(part->size > length + 2 + SPI_FLASH_SEC_SIZE);
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printf("Writing %d bytes from source %p\n", length, source);
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uint8_t *buf = malloc(length);
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TEST_ASSERT_NOT_NULL(buf);
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ESP_ERROR_CHECK( spi_flash_erase_range(part->address, (length + SPI_FLASH_SEC_SIZE) & ~(SPI_FLASH_SEC_SIZE-1)) );
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// note writing to unaligned address
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ESP_ERROR_CHECK( spi_flash_write(part->address + 1, source, length) );
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ESP_ERROR_CHECK( spi_flash_read(part->address + 1, buf, length) );
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TEST_ASSERT_EQUAL_HEX8_ARRAY(source, buf, length);
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free(buf);
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// check nothing was written at beginning or end
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uint8_t ends[8];
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ESP_ERROR_CHECK( spi_flash_read(part->address, ends, sizeof(ends)) );
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[0]);
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TEST_ASSERT_EQUAL_HEX8(source[0] , ends[1]);
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ESP_ERROR_CHECK( spi_flash_read(part->address + length, ends, sizeof(ends)) );
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TEST_ASSERT_EQUAL_HEX8(source[length-1], ends[0]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[1]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[2]);
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TEST_ASSERT_EQUAL_HEX8(0xFF, ends[3]);
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}
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