esp-idf/components/esp_hw_support/test/test_4mpsram.c

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/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
* SPDX-License-Identifier: Apache-2.0
*/
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#include "esp_heap_caps.h"
#include "unity.h"
#include "esp_log.h"
#include "esp_private/spi_common_internal.h"
#include "sdkconfig.h"
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#if CONFIG_IDF_TARGET_ESP32
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static const char TAG[] = "test_psram";
#ifdef CONFIG_SPIRAM
static void test_psram_content(void)
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{
const int test_size = 2048;
uint32_t *test_area = heap_caps_malloc(test_size, MALLOC_CAP_SPIRAM);
size_t p;
size_t s=test_size;
int errct=0;
int initial_err=-1;
for (p=0; p<(s/sizeof(int)); p+=4) {
test_area[p]=p^0xAAAAAAAA;
}
for (p=0; p<(s/sizeof(int)); p+=4) {
if (test_area[p]!=(p^0xAAAAAAAA)) {
errct++;
if (errct==1) initial_err=p*4;
}
}
if (errct) {
ESP_LOGE(TAG, "SPI SRAM memory test fail. %d/%d writes failed, first @ %p\n", errct, s/32, initial_err+test_area);
TEST_FAIL();
} else {
ESP_LOGI(TAG, "SPI SRAM memory test OK");
}
free(test_area);
}
#endif
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bool psram_is_32mbit_ver0(void);
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static void test_spi_bus_occupy(spi_host_device_t expected_occupied_host)
{
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bool claim_hspi = spicommon_periph_claim(HSPI_HOST, "ut-hspi");
if (claim_hspi) ESP_LOGI(TAG, "HSPI claimed.");
bool claim_vspi = spicommon_periph_claim(VSPI_HOST, "ut-vspi");
if (claim_vspi) ESP_LOGI(TAG, "VSPI claimed.");
if (expected_occupied_host == HSPI_HOST) {
TEST_ASSERT_FALSE(claim_hspi);
TEST_ASSERT(claim_vspi);
} else if (expected_occupied_host == VSPI_HOST) {
TEST_ASSERT_FALSE(claim_vspi);
TEST_ASSERT(claim_hspi);
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} else {
TEST_ASSERT(claim_hspi);
TEST_ASSERT(claim_vspi);
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}
#ifdef CONFIG_SPIRAM
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test_psram_content();
#endif
}
#if CONFIG_SPIRAM_OCCUPY_HSPI_HOST || CONFIG_SPIRAM_OCCUPY_VSPI_HOST
TEST_CASE("some spi bus occpied by psram", "[psram_4m][test_env=UT_T1_PSRAMV0]")
{
// NOTE: this unit test rely on the config that PSRAM of 8MB is used only when CONFIG_SPIRAM_BANKSWITCH_ENABLE is set
//currently all 8M psram don't need more SPI peripherals
#if !CONFIG_SPIRAM || !CONFIG_SPIRAM_SPEED_80M || CONFIG_SPIRAM_BANKSWITCH_ENABLE
#error unexpected test config, only psram 32MBit ver 0 at 80MHz will trigger the workaround
#endif
spi_host_device_t host;
if (!psram_is_32mbit_ver0()) {
TEST_FAIL_MESSAGE("unexpected psram version");
}
#if CONFIG_SPIRAM_OCCUPY_HSPI_HOST
host = HSPI_HOST;
#elif CONFIG_SPIRAM_OCCUPY_VSPI_HOST
host = VSPI_HOST;
#endif
test_spi_bus_occupy(host);
}
#else
TEST_CASE("can use spi when not being used by psram", "[psram_4m]")
{
#if CONFIG_SPIRAM && CONFIG_SPIRAM_SPEED_80M
#error unexpected test config, some runners using the UT_T1_PSRAMV0 but still perform this test.\
they will not pass this test at 80MHz.
#endif
test_spi_bus_occupy(-1);
}
#endif
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#endif // CONFIG_IDF_TARGET_ESP32