gptimer: new driver for previous timer group

2025-09-23 01:05:14 +00:00 · 2022-01-02 16:14:17 +08:00
parent 79cc650d75
commit 5deb83b12d
24 changed files with 1771 additions and 1239 deletions
--- a/components/driver/test_apps/gptimer/main/test_gptimer_iram.c
+++ b/components/driver/test_apps/gptimer/main/test_gptimer_iram.c
@@ -0,0 +1,107 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdio.h>
+#include "sdkconfig.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+#include "unity.h"
+#include "driver/gptimer.h"
+#include "esp_spi_flash.h"
+#include "soc/soc_caps.h"
+
+void test_app_include_gptimer_iram(void)
+{
+}
+
+#if CONFIG_GPTIMER_ISR_IRAM_SAFE
+
+typedef struct {
+    size_t buf_size;
+    uint8_t *buf;
+    size_t flash_addr;
+    size_t repeat_count;
+    SemaphoreHandle_t done_sem;
+} read_task_arg_t;
+
+typedef struct {
+    size_t delay_time_us;
+    size_t repeat_count;
+} block_task_arg_t;
+
+static bool IRAM_ATTR on_gptimer_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_ctx)
+{
+    block_task_arg_t *arg = (block_task_arg_t *)user_ctx;
+    esp_rom_delay_us(arg->delay_time_us);
+    arg->repeat_count++;
+    return false;
+}
+
+static void flash_read_task(void *varg)
+{
+    read_task_arg_t *arg = (read_task_arg_t *)varg;
+    for (size_t i = 0; i < arg->repeat_count; i++) {
+        TEST_ESP_OK(spi_flash_read(arg->flash_addr, arg->buf, arg->buf_size));
+    }
+    xSemaphoreGive(arg->done_sem);
+    vTaskDelete(NULL);
+}
+
+TEST_CASE("gptimer_iram_interrupt_safe", "[gptimer]")
+{
+    gptimer_handle_t gptimer = NULL;
+    const size_t size = 128;
+    uint8_t *buf = malloc(size);
+    TEST_ASSERT_NOT_NULL(buf);
+    SemaphoreHandle_t done_sem = xSemaphoreCreateBinary();
+    TEST_ASSERT_NOT_NULL(done_sem);
+    read_task_arg_t read_arg = {
+        .buf_size = size,
+        .buf = buf,
+        .flash_addr = 0,
+        .repeat_count = 1000,
+        .done_sem = done_sem,
+    };
+
+    block_task_arg_t block_arg = {
+        .repeat_count = 0,
+        .delay_time_us = 100,
+    };
+
+    gptimer_config_t timer_config = {
+        .clk_src = GPTIMER_CLK_SRC_APB,
+        .direction = GPTIMER_COUNT_UP,
+        .resolution_hz = 1 * 1000 * 1000,
+    };
+    TEST_ESP_OK(gptimer_new_timer(&timer_config, &gptimer));
+    gptimer_event_callbacks_t cbs = {
+        .on_alarm = on_gptimer_alarm_cb,
+    };
+    gptimer_alarm_config_t alarm_config = {
+        .reload_count = 0,
+        .alarm_count = 120,
+        .flags.auto_reload_on_alarm = true,
+    };
+    TEST_ESP_OK(gptimer_set_alarm_action(gptimer, &alarm_config));
+    TEST_ESP_OK(gptimer_register_event_callbacks(gptimer, &cbs, &block_arg));
+    TEST_ESP_OK(gptimer_start(gptimer));
+
+    xTaskCreatePinnedToCore(flash_read_task, "read_flash", 2048, &read_arg, 3, NULL, portNUM_PROCESSORS - 1);
+    // wait for task done
+    xSemaphoreTake(done_sem, portMAX_DELAY);
+    printf("alarm callback runs %d times\r\n", block_arg.repeat_count);
+    TEST_ASSERT_GREATER_THAN(1000, block_arg.repeat_count);
+    // delete gptimer
+    TEST_ESP_OK(gptimer_stop(gptimer));
+    TEST_ESP_OK(gptimer_del_timer(gptimer));
+    vSemaphoreDelete(done_sem);
+    free(buf);
+    // leave time for IDLE task to recycle deleted task
+    vTaskDelay(2);
+}
+
+#endif // CONFIG_GPTIMER_ISR_IRAM_SAFE