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https://github.com/espressif/esp-idf.git
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2fb43820c2
The legacy driver can't handle the breaking change between esp chips very well. And it's not elegant to extend new feature like DMA, ETM. The new driver can return a opaque handle for each RMT channel. An obvious transaction concept was also introduced. TX and RX functionalities are splited out.
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "unity.h"
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#include "unity_test_runner.h"
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#include "esp_heap_caps.h"
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// Some resources are lazy allocated in RMT driver, so we reserved this threadhold when checking memory leak
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// A better way to check a potential memory leak is running a same case by twice, for the second time, the memory usage delta should be zero
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#define TEST_MEMORY_LEAK_THRESHOLD (-300)
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static size_t before_free_8bit;
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static size_t before_free_32bit;
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static void check_leak(size_t before_free, size_t after_free, const char *type)
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{
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ssize_t delta = after_free - before_free;
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printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta);
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TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak");
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}
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void setUp(void)
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{
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before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
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before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
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}
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void tearDown(void)
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{
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size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
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size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
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check_leak(before_free_8bit, after_free_8bit, "8BIT");
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check_leak(before_free_32bit, after_free_32bit, "32BIT");
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}
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void app_main(void)
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{
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// ____ __ __ _____ _____ _
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// | _ \| \/ |_ _| |_ _|__ ___| |_
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// | |_) | |\/| | | | | |/ _ \/ __| __|
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// | _ <| | | | | | | | __/\__ \ |_
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// |_| \_\_| |_| |_| |_|\___||___/\__|
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printf(" ____ __ __ _____ _____ _\r\n");
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printf("| _ \\| \\/ |_ _| |_ _|__ ___| |_\r\n");
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printf("| |_) | |\\/| | | | | |/ _ \\/ __| __|\r\n");
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printf("| _ <| | | | | | | | __/\\__ \\ |_\r\n");
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printf("|_| \\_\\_| |_| |_| |_|\\___||___/\\__|\r\n");
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unity_run_menu();
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}
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