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https://github.com/espressif/esp-idf.git
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66fb5a29bb
Apply the pre-commit hook whitespace fixes to all files in the repo. (Line endings, blank lines at end of file, trailing whitespace)
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "unity.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 "sdkconfig.h"
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#include "test_utils.h"
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#include "esp_expression_with_stack.h"
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#define SHARED_STACK_SIZE 8192
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static StackType_t *shared_stack_sp = NULL;
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void external_stack_function(void)
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{
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printf("Executing this printf from external stack! sp=%p\n", get_sp());
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shared_stack_sp = (StackType_t *)get_sp();
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}
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void another_external_stack_function(void)
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{
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//We can even use Freertos resources inside of this context.
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printf("We can even use FreeRTOS resources... yielding, sp=%p\n", get_sp());
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taskYIELD();
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shared_stack_sp = (StackType_t *)get_sp();
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}
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TEST_CASE("test printf using shared buffer stack", "[newlib]")
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{
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portSTACK_TYPE *shared_stack = malloc(SHARED_STACK_SIZE);
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TEST_ASSERT_NOT_NULL(shared_stack);
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SemaphoreHandle_t printf_lock = xSemaphoreCreateMutex();
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TEST_ASSERT_NOT_NULL(printf_lock);
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printf("current task sp: %p\n", get_sp());
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printf("shared_stack: %p\n", (void *)shared_stack);
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printf("shared_stack expected top: %p\n", (void *)(shared_stack + SHARED_STACK_SIZE));
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esp_execute_shared_stack_function(printf_lock,
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shared_stack,
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SHARED_STACK_SIZE,
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external_stack_function);
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TEST_ASSERT(((shared_stack_sp >= shared_stack) &&
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(shared_stack_sp < (shared_stack + SHARED_STACK_SIZE))));
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esp_execute_shared_stack_function(printf_lock,
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shared_stack,
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SHARED_STACK_SIZE,
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another_external_stack_function);
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TEST_ASSERT(((shared_stack_sp >= shared_stack) &&
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(shared_stack_sp < (shared_stack + SHARED_STACK_SIZE))));
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vSemaphoreDelete(printf_lock);
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free(shared_stack);
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}
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