84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <freertos/semphr.h>
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#include <unity.h>
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#include <esp_spi_flash.h>
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#include <esp_attr.h>
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uint32_t buffer[1024];
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static const uint32_t start = 0x100000;
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static const uint32_t end = 0x200000;
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TEST_CASE("Prepare data for mmap tests", "[mmap]")
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{
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srand(0);
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for (int block = start / 0x10000; block < end / 0x10000; ++block) {
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printf("Writing block %d\n", block);
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for (int sector = 0; sector < 16; ++sector) {
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for (uint32_t word = 0; word < 1024; ++word) {
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uint32_t val = rand();
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if (block == start / 0x10000 && sector == 0 && word == 0) {
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printf("first word: %08x\n", val);
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}
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buffer[word] = val;
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}
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uint32_t abs_sector = (block) * 16 + sector;
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printf("Writing sector %d\n", abs_sector);
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ESP_ERROR_CHECK( spi_flash_erase_sector((uint16_t) abs_sector) );
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ESP_ERROR_CHECK( spi_flash_write(abs_sector * SPI_FLASH_SEC_SIZE, (const uint8_t *) buffer, sizeof(buffer)) );
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}
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}
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}
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TEST_CASE("Can mmap into data address space", "[mmap]")
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{
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printf("Mapping %x (+%x)\n", start, end - start);
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spi_flash_mmap_handle_t handle1;
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const void *ptr1;
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ESP_ERROR_CHECK( spi_flash_mmap(start, end - start, SPI_FLASH_MMAP_DATA, &ptr1, &handle1) );
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printf("mmap_res: handle=%d ptr=%p\n", handle1, ptr1);
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spi_flash_mmap_dump();
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srand(0);
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const uint32_t *data = (const uint32_t *) ptr1;
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for (int block = 0; block < (end - start) / 0x10000; ++block) {
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for (int sector = 0; sector < 16; ++sector) {
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for (uint32_t word = 0; word < 1024; ++word) {
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TEST_ASSERT_EQUAL_UINT32(rand(), data[(block * 16 + sector) * 1024 + word]);
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}
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}
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}
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printf("Mapping %x (+%x)\n", start - 0x10000, 0x20000);
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spi_flash_mmap_handle_t handle2;
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const void *ptr2;
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ESP_ERROR_CHECK( spi_flash_mmap(start - 0x10000, 0x20000, SPI_FLASH_MMAP_DATA, &ptr2, &handle2) );
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printf("mmap_res: handle=%d ptr=%p\n", handle2, ptr2);
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spi_flash_mmap_dump();
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printf("Mapping %x (+%x)\n", start, 0x10000);
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spi_flash_mmap_handle_t handle3;
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const void *ptr3;
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ESP_ERROR_CHECK( spi_flash_mmap(start, 0x10000, SPI_FLASH_MMAP_DATA, &ptr3, &handle3) );
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printf("mmap_res: handle=%d ptr=%p\n", handle3, ptr3);
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spi_flash_mmap_dump();
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printf("Unmapping handle1\n");
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spi_flash_munmap(handle1);
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spi_flash_mmap_dump();
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printf("Unmapping handle2\n");
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spi_flash_munmap(handle2);
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spi_flash_mmap_dump();
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printf("Unmapping handle3\n");
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spi_flash_munmap(handle3);
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}
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