105 lines
3 KiB
C
105 lines
3 KiB
C
#include "unity.h"
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "rom/cache.h"
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#include "sdkconfig.h"
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#include "esp_himem.h"
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#if CONFIG_SPIRAM_BANKSWITCH_ENABLE
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//Fill memory with pseudo-random data generated from the given seed.
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static void fill_mem_seed(int seed, void *mem, int len)
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{
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uint32_t *p = (uint32_t *)mem;
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unsigned int rseed = seed ^ 0xa5a5a5a5;
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for (int i = 0; i < len / 4; i++) {
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*p++ = rand_r(&rseed);
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}
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}
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//Check the memory filled by fill_mem_seed. Returns true if the data is still intact.
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static bool check_mem_seed(int seed, void *mem, int len)
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{
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uint32_t *p = (uint32_t *)mem;
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unsigned int rseed = seed ^ 0xa5a5a5a5;
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for (int i = 0; i < len / 4; i++) {
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uint32_t ex = rand_r(&rseed);
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if (ex != *p) {
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printf("check_mem_seed: %p @ %p has 0x%08x expected 0x%08x\n", mem, p, *p, ex);
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return false;
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}
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p++;
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}
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return true;
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}
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//Allocate a himem region, fill it with data, check it and release it.
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static bool test_region(int check_size, int seed)
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{
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esp_himem_handle_t mh;
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esp_himem_rangehandle_t rh;
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bool ret = true;
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ESP_ERROR_CHECK(esp_himem_alloc(check_size, &mh));
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ESP_ERROR_CHECK(esp_himem_alloc_map_range(ESP_HIMEM_BLKSZ * 2, &rh));
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for (int i = 0; i < check_size; i += ESP_HIMEM_BLKSZ) {
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uint32_t *ptr = NULL;
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ESP_ERROR_CHECK(esp_himem_map(mh, rh, i, 0, ESP_HIMEM_BLKSZ, 0, (void**)&ptr));
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fill_mem_seed(i ^ seed, ptr, ESP_HIMEM_BLKSZ);
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ESP_ERROR_CHECK(esp_himem_unmap(rh, ptr, ESP_HIMEM_BLKSZ));
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}
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for (int i = 0; i < check_size; i += ESP_HIMEM_BLKSZ) {
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uint32_t *ptr;
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ESP_ERROR_CHECK(esp_himem_map(mh, rh, i, 0, ESP_HIMEM_BLKSZ, 0, (void**)&ptr));
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if (!check_mem_seed(i ^ seed, ptr, ESP_HIMEM_BLKSZ)) {
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printf("Error in block %d\n", i / ESP_HIMEM_BLKSZ);
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ret = false;
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break;
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}
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ESP_ERROR_CHECK(esp_himem_unmap(rh, ptr, ESP_HIMEM_BLKSZ));
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}
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ESP_ERROR_CHECK(esp_himem_free(mh));
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ESP_ERROR_CHECK(esp_himem_free_map_range(rh));
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return ret;
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}
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static volatile int testsDone;
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static void memtest_thread(void *arg)
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{
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int d = (int)arg;
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for (int i = 0; i < 4; i++) {
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printf("d=%d check=%d\n", d, i);
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test_region(2 * 1024 * 1024, d + (i << 16));
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vTaskDelay(d);
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}
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testsDone++; //note possible race here... not really an issue if the two tasks have different vTaskDelay args
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vTaskDelete(NULL);
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}
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TEST_CASE("high psram memory test", "[himem]")
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{
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printf("Doing single-core test\n");
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assert(test_region(4 * 1024 * 1024, 0xaaaa));
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testsDone = 0;
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printf("Doing dual-core test...\n");
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xTaskCreatePinnedToCore(&memtest_thread, "th2", 1024 * 2, (void *)2, 5, NULL, 1);
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xTaskCreatePinnedToCore(&memtest_thread, "th1", 1024 * 2, (void *)5, 5, NULL, 0);
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while (testsDone != 2) {
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vTaskDelay(10);
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}
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printf("Done!\n");
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vTaskDelay(100);
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}
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#endif
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