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zephyr/tests/drivers/flash_simulator/src/main.c
Andrzej Puzdrowski 428c281bc6 drivers/flash/flash_simulator: fix flash size calculation 
Flash size calculation was don with assumption that flash page size
is always 1 KB and flash size was parameterized with such granularity.

This patch correct this bug.

Flash pages number under statistic can't be calculated via preprocessor
anymore - thus are parameterized via Kconfig.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
2019-07-17 13:49:26 -07:00

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7.3 KiB
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/*
* Copyright (c) 2018 Nordic Semiconductor ASA.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <ztest.h>
#include <drivers/flash.h>
#include <device.h>
/* configuration derived from DT */
#define FLASH_SIMULATOR_BASE_OFFSET DT_FLASH_SIM_BASE_ADDRESS
#define FLASH_SIMULATOR_ERASE_UNIT DT_FLASH_SIM_ERASE_BLOCK_SIZE
#define FLASH_SIMULATOR_PROG_UNIT DT_FLASH_SIM_WRITE_BLOCK_SIZE
#define FLASH_SIMULATOR_FLASH_SIZE DT_FLASH_SIM_SIZE
/* Offset between pages */
#define TEST_SIM_FLASH_SIZE FLASH_SIMULATOR_FLASH_SIZE
#define TEST_SIM_FLASH_END (TEST_SIM_FLASH_SIZE +\
FLASH_SIMULATOR_BASE_OFFSET)
static struct device *flash_dev;
static u8_t test_read_buf[TEST_SIM_FLASH_SIZE];
static u32_t p32_inc;
void pattern32_ini(u32_t val)
{
p32_inc = val;
}
static u32_t pattern32_inc(void)
{
return p32_inc++;
}
static u32_t pattern32_flat(void)
{
return p32_inc;
}
static void test_check_pattern32(off_t start, u32_t (*pattern_gen)(void),
size_t size)
{
off_t off;
u32_t val32, r_val32;
int rc;
for (off = 0; off < size; off += 4) {
rc = flash_read(flash_dev, start + off, &r_val32,
sizeof(r_val32));
zassert_equal(0, rc, "flash_write should succedd");
val32 = pattern_gen();
zassert_equal(val32, r_val32,
"flash word at offset 0x%x has value 0x%0x02",
start + off, r_val32);
}
}
static void test_int(void)
{
int rc;
off_t i;
flash_dev = device_get_binding(DT_FLASH_DEV_NAME);
zassert_true(flash_dev != NULL,
"Simulated flash driver was not found!");
rc = flash_read(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
test_read_buf, sizeof(test_read_buf));
zassert_equal(0, rc, "flash_read should succedd");
for (i = 0; i < sizeof(test_read_buf); i++) {
zassert_equal(0xff, test_read_buf[i],
"sim flash byte at offset 0x%x has value 0x%0x02",
i, test_read_buf[i]);
}
}
static void test_write_read(void)
{
off_t off;
u32_t val32 = 0, r_val32;
int rc;
for (off = 0; off < TEST_SIM_FLASH_SIZE; off += 4) {
rc = flash_write_protection_set(flash_dev, false);
zassert_equal(0, rc, NULL);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET +
off,
&val32, sizeof(val32));
zassert_equal(0, rc,
"flash_write (%d) should succedd at off 0x%x", rc,
FLASH_SIMULATOR_BASE_OFFSET + off);
val32++;
}
val32 = 0;
for (off = 0; off < TEST_SIM_FLASH_SIZE; off += 4) {
rc = flash_read(flash_dev, FLASH_SIMULATOR_BASE_OFFSET +
off,
&r_val32, sizeof(r_val32));
zassert_equal(0, rc, "flash_write should succedd");
zassert_equal(val32, r_val32,
"flash byte at offset 0x%x has value 0x%0x02",
off, r_val32);
val32++;
}
}
static void test_erase(void)
{
int rc;
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET +
FLASH_SIMULATOR_ERASE_UNIT,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(0, rc, "flash_erase should succedd");
TC_PRINT("Incremental pattern expected\n");
pattern32_ini(0);
test_check_pattern32(FLASH_SIMULATOR_BASE_OFFSET, pattern32_inc,
FLASH_SIMULATOR_ERASE_UNIT);
TC_PRINT("Erased area expected\n");
pattern32_ini(0xffffffff);
test_check_pattern32(FLASH_SIMULATOR_BASE_OFFSET +
FLASH_SIMULATOR_ERASE_UNIT, pattern32_flat,
FLASH_SIMULATOR_ERASE_UNIT);
TC_PRINT("Incremental pattern expected\n");
pattern32_ini(FLASH_SIMULATOR_ERASE_UNIT*2 /
FLASH_SIMULATOR_PROG_UNIT);
test_check_pattern32(FLASH_SIMULATOR_BASE_OFFSET +
FLASH_SIMULATOR_ERASE_UNIT*2, pattern32_inc,
FLASH_SIMULATOR_ERASE_UNIT*2);
}
static void test_access(void)
{
u32_t data[2] = {0};
int rc;
rc = flash_write_protection_set(flash_dev, true);
zassert_equal(0, rc, NULL);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
data, 4);
zassert_equal(-EACCES, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(-EACCES, rc, "Unexpected error code (%d)", rc);
}
static void test_out_of_bounds(void)
{
int rc;
u8_t data[4] = {0};
rc = flash_write_protection_set(flash_dev, false);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET - 4,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET - 4,
data, 8);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_write(flash_dev, TEST_SIM_FLASH_END,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_write(flash_dev, TEST_SIM_FLASH_END - 4,
data, 8);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET -
FLASH_SIMULATOR_ERASE_UNIT,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, TEST_SIM_FLASH_END,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET -
FLASH_SIMULATOR_ERASE_UNIT*2,
FLASH_SIMULATOR_ERASE_UNIT*2);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, TEST_SIM_FLASH_END -
FLASH_SIMULATOR_ERASE_UNIT,
FLASH_SIMULATOR_ERASE_UNIT*2);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_read(flash_dev, FLASH_SIMULATOR_BASE_OFFSET - 4,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_read(flash_dev, FLASH_SIMULATOR_BASE_OFFSET - 4,
data, 8);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_read(flash_dev, TEST_SIM_FLASH_END,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_read(flash_dev, TEST_SIM_FLASH_END - 4, data, 8);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
}
static void test_align(void)
{
int rc;
u8_t data[4] = {0};
rc = flash_read(flash_dev, FLASH_SIMULATOR_BASE_OFFSET + 1,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET + 1,
data, 4);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
data, 3);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET + 1,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
FLASH_SIMULATOR_ERASE_UNIT + 1);
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
}
static void test_double_write(void)
{
int rc;
u8_t data[4] = {0};
rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
FLASH_SIMULATOR_ERASE_UNIT);
zassert_equal(0, rc, "flash_erase should succedd");
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
data, 4);
zassert_equal(0, rc, "flash_write should succedd");
rc = flash_write(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
data, 4);
zassert_equal(-EIO, rc, "Unexpected error code (%d)", rc);
}
void test_main(void)
{
ztest_test_suite(flash_sim_api,
ztest_unit_test(test_int),
ztest_unit_test(test_write_read),
ztest_unit_test(test_erase),
ztest_unit_test(test_access),
ztest_unit_test(test_out_of_bounds),
ztest_unit_test(test_align),
ztest_unit_test(test_double_write));
ztest_run_test_suite(flash_sim_api);
}
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