takashi kadono
/
Nucleo446_SSD1331
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/TESTS/mbed_drivers/flashiap/main.cpp
- Committer:
- kadonotakashi
- Date:
- 2018-10-11
- Revision:
- 3:f3764f852aa8
- Parent:
- 0:8fdf9a60065b
File content as of revision 3:f3764f852aa8:
/* mbed Microcontroller Library * Copyright (c) 2017 ARM Limited * * 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. */ #if !DEVICE_FLASH #error [NOT_SUPPORTED] Flash API not supported for this target #endif #include "utest/utest.h" #include "utest/utest_serial.h" #include "unity/unity.h" #include "greentea-client/test_env.h" #include "FlashIAP.h" #include "unity.h" #include <algorithm> #include "mbed.h" using namespace utest::v1; void flashiap_init_test() { FlashIAP flash_device; uint32_t ret = flash_device.init(); TEST_ASSERT_EQUAL_INT32(0, ret); ret = flash_device.deinit(); TEST_ASSERT_EQUAL_INT32(0, ret); } void flashiap_program_test() { FlashIAP flash_device; uint32_t ret = flash_device.init(); TEST_ASSERT_EQUAL_INT32(0, ret); // get the last sector size (flash size - 1) uint32_t sector_size = flash_device.get_sector_size(flash_device.get_flash_start() + flash_device.get_flash_size() - 1UL); uint32_t page_size = flash_device.get_page_size(); TEST_ASSERT_NOT_EQUAL(0, sector_size); TEST_ASSERT_NOT_EQUAL(0, page_size); TEST_ASSERT_TRUE(sector_size % page_size == 0); uint32_t prog_size = std::max(page_size, (uint32_t)8); uint8_t *data = new uint8_t[prog_size + 2]; for (uint32_t i = 0; i < prog_size + 2; i++) { data[i] = i; } // the one before the last sector in the system uint32_t address = (flash_device.get_flash_start() + flash_device.get_flash_size()) - (sector_size); TEST_ASSERT_TRUE(address != 0UL); utest_printf("ROM ends at 0x%lx, test starts at 0x%lx\n", FLASHIAP_ROM_END, address); TEST_SKIP_UNLESS_MESSAGE(address >= FLASHIAP_ROM_END, "Test skipped. Test region overlaps code."); ret = flash_device.erase(address, sector_size); TEST_ASSERT_EQUAL_INT32(0, ret); for (uint32_t i = 0; i < sector_size / prog_size; i++) { uint32_t prog_addr = address + i * prog_size; ret = flash_device.program(data, prog_addr, prog_size); TEST_ASSERT_EQUAL_INT32(0, ret); } uint8_t *data_flashed = new uint8_t[prog_size]; for (uint32_t i = 0; i < sector_size / prog_size; i++) { uint32_t page_addr = address + i * prog_size; ret = flash_device.read(data_flashed, page_addr, prog_size); TEST_ASSERT_EQUAL_INT32(0, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY(data, data_flashed, prog_size); } // check programming of unaligned buffer and size ret = flash_device.erase(address, sector_size); TEST_ASSERT_EQUAL_INT32(0, ret); ret = flash_device.program(data + 2, address, prog_size); TEST_ASSERT_EQUAL_INT32(0, ret); ret = flash_device.read(data_flashed, address, prog_size - 1); TEST_ASSERT_EQUAL_INT32(0, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY(data + 2, data_flashed, prog_size - 1); delete[] data; delete[] data_flashed; ret = flash_device.deinit(); TEST_ASSERT_EQUAL_INT32(0, ret); } void flashiap_cross_sector_program_test() { FlashIAP flash_device; uint32_t ret = flash_device.init(); TEST_ASSERT_EQUAL_INT32(0, ret); uint32_t page_size = flash_device.get_page_size(); // Erase last two sectors uint32_t address = flash_device.get_flash_start() + flash_device.get_flash_size(); uint32_t sector_size, agg_size = 0; for (uint32_t i = 0; i < 2; i++) { sector_size = flash_device.get_sector_size(address - 1UL); TEST_ASSERT_NOT_EQUAL(0, sector_size); TEST_ASSERT_TRUE(sector_size % page_size == 0); agg_size += sector_size; address -= sector_size; } TEST_SKIP_UNLESS_MESSAGE(address >= FLASHIAP_ROM_END, "Test skipped. Test region overlaps code."); ret = flash_device.erase(address, agg_size); TEST_ASSERT_EQUAL_INT32(0, ret); address += sector_size - page_size; uint32_t aligned_prog_size = 2 * page_size; uint32_t prog_size = aligned_prog_size; if (page_size > 1) { prog_size--; } uint8_t *data = new uint8_t[aligned_prog_size]; for (uint32_t i = 0; i < prog_size; i++) { data[i] = rand() % 256; } for (uint32_t i = prog_size; i < aligned_prog_size; i++) { data[i] = 0xFF; } ret = flash_device.program(data, address, prog_size); TEST_ASSERT_EQUAL_INT32(0, ret); uint8_t *data_flashed = new uint8_t[aligned_prog_size]; ret = flash_device.read(data_flashed, address, aligned_prog_size); TEST_ASSERT_EQUAL_INT32(0, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY(data, data_flashed, aligned_prog_size); delete[] data; delete[] data_flashed; ret = flash_device.deinit(); TEST_ASSERT_EQUAL_INT32(0, ret); } void flashiap_program_error_test() { FlashIAP flash_device; uint32_t ret = flash_device.init(); TEST_ASSERT_EQUAL_INT32(0, ret); // get the last sector size (flash size - 1) uint32_t sector_size = flash_device.get_sector_size(flash_device.get_flash_start() + flash_device.get_flash_size() - 1UL); uint32_t page_size = flash_device.get_page_size(); TEST_ASSERT_NOT_EQUAL(0, sector_size); TEST_ASSERT_NOT_EQUAL(0, page_size); TEST_ASSERT_TRUE(sector_size % page_size == 0); const uint8_t test_value = 0xCE; uint8_t *data = new uint8_t[page_size]; for (uint32_t i = 0; i < page_size; i++) { data[i] = test_value; } // the one before the last page in the system uint32_t address = (flash_device.get_flash_start() + flash_device.get_flash_size()) - (sector_size); TEST_ASSERT_TRUE(address != 0UL); // unaligned address TEST_SKIP_UNLESS_MESSAGE(address >= FLASHIAP_ROM_END, "Test skipped. Test region overlaps code."); ret = flash_device.erase(address + 1, sector_size); TEST_ASSERT_EQUAL_INT32(-1, ret); if (flash_device.get_page_size() > 1) { ret = flash_device.program(data, address + 1, page_size); TEST_ASSERT_EQUAL_INT32(-1, ret); } delete[] data; ret = flash_device.deinit(); TEST_ASSERT_EQUAL_INT32(0, ret); } void flashiap_timing_test() { FlashIAP flash_device; uint32_t ret = flash_device.init(); TEST_ASSERT_EQUAL_INT32(0, ret); mbed::Timer timer; unsigned int num_write_sizes; unsigned int curr_time, byte_usec_ratio; unsigned int avg_erase_time = 0; unsigned int max_erase_time = 0, min_erase_time = (unsigned int) -1; const unsigned int max_writes = 128; const unsigned int max_write_sizes = 6; const unsigned int max_byte_usec_ratio = 200; uint32_t page_size = flash_device.get_page_size(); uint32_t write_size = page_size; uint32_t end_address = flash_device.get_flash_start() + flash_device.get_flash_size(); utest_printf("\nFlash timing:\n"); uint32_t sector_size = flash_device.get_sector_size(end_address - 1UL); uint32_t base_address = end_address - sector_size; timer.start(); for (num_write_sizes = 0; num_write_sizes < max_write_sizes; num_write_sizes++) { if (write_size > sector_size) { break; } uint8_t *buf = new (std::nothrow) uint8_t[write_size]; if (!buf) { // Don't fail the test on lack of heap memory for the buffer break; } memset(buf, 0x5A, write_size); timer.reset(); ret = flash_device.erase(base_address, sector_size); curr_time = timer.read_us(); avg_erase_time += curr_time; TEST_ASSERT_EQUAL_INT32(0, ret); max_erase_time = std::max(max_erase_time, curr_time); min_erase_time = std::min(min_erase_time, curr_time); uint32_t address = base_address; unsigned int avg_write_time = 0; unsigned int max_write_time = 0, min_write_time = (unsigned int) -1; unsigned int num_writes; for (num_writes = 0; num_writes < max_writes; num_writes++) { if ((address + write_size) > end_address) { break; } timer.reset(); ret = flash_device.program(buf, address, write_size); curr_time = timer.read_us(); avg_write_time += curr_time; TEST_ASSERT_EQUAL_INT32(0, ret); max_write_time = std::max(max_write_time, curr_time); min_write_time = std::min(min_write_time, curr_time); address += write_size; } delete[] buf; avg_write_time /= num_writes; utest_printf("Write size %6u bytes: avg %10u, min %10u, max %10u (usec)\n", write_size, avg_write_time, min_write_time, max_write_time); byte_usec_ratio = write_size / avg_write_time; TEST_ASSERT(byte_usec_ratio < max_byte_usec_ratio); write_size *= 4; } if (num_write_sizes) { avg_erase_time /= num_write_sizes; utest_printf("\nErase size %6u bytes: avg %10u, min %10u, max %10u (usec)\n\n", sector_size, avg_erase_time, min_erase_time, max_erase_time); byte_usec_ratio = sector_size / avg_erase_time; TEST_ASSERT(byte_usec_ratio < max_byte_usec_ratio); } ret = flash_device.deinit(); TEST_ASSERT_EQUAL_INT32(0, ret); } Case cases[] = { Case("FlashIAP - init", flashiap_init_test), Case("FlashIAP - program", flashiap_program_test), Case("FlashIAP - program across sectors", flashiap_cross_sector_program_test), Case("FlashIAP - program errors", flashiap_program_error_test), Case("FlashIAP - timing", flashiap_timing_test), }; utest::v1::status_t greentea_test_setup(const size_t number_of_cases) { GREENTEA_SETUP(120, "default_auto"); return greentea_test_setup_handler(number_of_cases); } Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler); int main() { Harness::run(specification); }