OVMS3-idf/components/esp32/test/test_4mpsram.c

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#include "esp_heap_caps.h"
#include "unity.h"
#include "esp_log.h"
#include "driver/spi_common.h"
#include "sdkconfig.h"
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static const char TAG[] = "test_psram";
#ifdef CONFIG_ESP32_SPIRAM_SUPPORT
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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// NOTE: this unit test rely on the config that PSRAM of 8MB is used only when CONFIG_SPIRAM_BNKSWITCH_ENABLE is set
TEST_CASE("can use spi when not being used by psram", "[psram_4m]")
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{
spi_host_device_t host;
#if !CONFIG_ESP32_SPIRAM_SUPPORT || !CONFIG_SPIRAM_SPEED_80M || CONFIG_SPIRAM_BANKSWITCH_ENABLE
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//currently all 8M psram don't need more SPI peripherals
host = -1;
#elif CONFIG_SPIRAM_OCCUPY_HSPI_HOST
host = HSPI_HOST;
#elif CONFIG_SPIRAM_OCCUPY_VSPI_HOST
host = VSPI_HOST;
#endif
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 (host == HSPI_HOST) {
TEST_ASSERT(claim_hspi==false);
TEST_ASSERT(claim_vspi==true);
} else if (host == VSPI_HOST) {
TEST_ASSERT(claim_vspi==false);
TEST_ASSERT(claim_hspi==true);
} else {
TEST_ASSERT(claim_hspi==true);
TEST_ASSERT(claim_vspi==true);
}
#ifdef CONFIG_ESP32_SPIRAM_SUPPORT
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test_psram_content();
#endif
}