esp-idf/components/esp_ipc/test/test_ipc.c

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#include <stdio.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "unity.h"
#if !CONFIG_FREERTOS_UNICORE
#include "esp_ipc.h"
#endif
#include "esp_log.h"
#if !CONFIG_FREERTOS_UNICORE
static void test_func_ipc_cb(void *arg)
{
vTaskDelay(50);
int *val = (int *)arg;
*val = 0xa5a5;
}
TEST_CASE("Test blocking IPC function call", "[ipc]")
{
int val = 0x5a5a;
esp_ipc_call_blocking(!xPortGetCoreID(), test_func_ipc_cb, &val);
TEST_ASSERT_EQUAL_HEX(val, 0xa5a5);
}
#ifdef CONFIG_ESP_IPC_USES_CALLERS_PRIORITY
static volatile bool exit_flag;
static void task1(void *sema)
{
ESP_LOGI("task1", "start");
ets_delay_us(3000000);
vTaskDelay(1);
while (exit_flag == false) {
}
ESP_LOGI("task1", "finish");
vTaskDelete(NULL);
}
static UBaseType_t func_ipc_priority;
static void test_func_ipc(void *sema)
{
ets_delay_us(1000000 + xPortGetCoreID() * 100);
func_ipc_priority = uxTaskPriorityGet(NULL);
xSemaphoreGive(*(xSemaphoreHandle *)sema);
ets_printf("test_func_ipc: [%d, %d]\n", func_ipc_priority, xPortGetCoreID());
}
TEST_CASE("Test ipc_task works with the priority of the caller's task", "[ipc]")
{
UBaseType_t priority = 18;
func_ipc_priority = 0;
vTaskPrioritySet(NULL, priority);
xSemaphoreHandle sema_ipc_done = xSemaphoreCreateBinary();
exit_flag = false;
xTaskCreatePinnedToCore(task1, "task1", 4096, NULL, priority + 2, NULL, 1);
vTaskDelay(100 / portTICK_PERIOD_MS);
ESP_LOGI("test", "Start IPC call in IPC_WAIT_FOR_START mode");
esp_ipc_call(1, test_func_ipc, &sema_ipc_done);
ESP_LOGI("test", "Waiting for IPC finish");
xSemaphoreTake(sema_ipc_done, 4000 / portTICK_PERIOD_MS);
ESP_LOGI("test", "Stop task1");
exit_flag = true;
xSemaphoreTake(sema_ipc_done, portMAX_DELAY);
vSemaphoreDelete(sema_ipc_done);
ESP_LOGI("test", "Check ipc_priority with priority caller's task. Should be the same");
vTaskPrioritySet(NULL, 5);
TEST_ASSERT_EQUAL(priority, func_ipc_priority);
}
static void test_func2_ipc(void *arg)
{
int callers_priority = *(int *)arg;
ets_delay_us(1000000 + xPortGetCoreID() * 100);
UBaseType_t priority = uxTaskPriorityGet(NULL);
ets_printf("test_func2_ipc: [callers_priority = %d, priority = %d, cpu = %d]\n", callers_priority, priority, xPortGetCoreID());
}
static void task(void *sema)
{
int priority = uxTaskPriorityGet(NULL);
ESP_LOGI("task", "start [priority = %d, cpu = %d]", priority, xPortGetCoreID());
xSemaphoreTake(*(xSemaphoreHandle *)sema, portMAX_DELAY);
esp_ipc_call_blocking(!xPortGetCoreID(), test_func2_ipc, &priority);
xSemaphoreGive(*(xSemaphoreHandle *)sema);
ESP_LOGI("task", "finish [priority = %d, cpu = %d]", priority, xPortGetCoreID());
vTaskDelete(NULL);
}
TEST_CASE("Test multiple ipc_calls", "[ipc]")
{
const int max_tasks = 5;
UBaseType_t priority = uxTaskPriorityGet(NULL);
ESP_LOGI("test", "priority = %d, cpu = %d", priority, xPortGetCoreID());
xSemaphoreHandle sema_ipc_done[max_tasks * portNUM_PROCESSORS];
for (int task_num = 0; task_num < max_tasks; ++task_num) {
++priority;
ESP_LOGI("test", "task prio = %d", priority);
for (int cpu_num = 0; cpu_num < portNUM_PROCESSORS; ++cpu_num) {
sema_ipc_done[task_num * 2 + cpu_num] = xSemaphoreCreateBinary();
xTaskCreatePinnedToCore(task, "task", 4096, &sema_ipc_done[task_num * 2 + cpu_num], priority, NULL, cpu_num);
}
}
for (int task_num = 0; task_num < max_tasks; ++task_num) {
for (int cpu_num = 0; cpu_num < portNUM_PROCESSORS; ++cpu_num) {
xSemaphoreGive(sema_ipc_done[task_num * 2 + cpu_num]);
}
}
for (int task_num = 0; task_num < max_tasks; ++task_num) {
for (int cpu_num = 0; cpu_num < portNUM_PROCESSORS; ++cpu_num) {
xSemaphoreTake(sema_ipc_done[task_num * 2 + cpu_num], portMAX_DELAY);
vSemaphoreDelete(sema_ipc_done[task_num * 2 + cpu_num]);
}
}
}
#endif /* CONFIG_ESP_IPC_USE_CALLERS_PRIORITY */
#endif /* !CONFIG_FREERTOS_UNICORE */