rmt: expose private API to get channel ID

Closes https://github.com/espressif/esp-idf/issues/10596

components/driver/.build-test-rules.yml

@@ -53,7 +53,7 @@ components/driver/test_apps/legacy_mcpwm_driver:
   disable_test:
     - if: IDF_TARGET in ["esp32h2"]
       temporary: true
-      reason: cannot pass test, IDF-6812
+      reason: default group resolution changed, IDF-6812
 
 components/driver/test_apps/legacy_pcnt_driver:
   disable:
@@ -78,10 +78,6 @@ components/driver/test_apps/legacy_timer_driver:
 components/driver/test_apps/mcpwm:
   disable:
     - if: SOC_MCPWM_SUPPORTED != 1
-  disable_test:
-    - if: IDF_TARGET in ["esp32h2"]
-      temporary: true
-      reason: cannot pass test, IDF-6812
 
 components/driver/test_apps/pulse_cnt:
   disable:
@@ -90,10 +86,6 @@ components/driver/test_apps/pulse_cnt:
 components/driver/test_apps/rmt:
   disable:
     - if: SOC_RMT_SUPPORTED != 1
-  disable_test:
-    - if: IDF_TARGET in ["esp32h2"]
-      temporary: true
-      reason: cannot pass test, IDF-6810
 
 components/driver/test_apps/rs485:
   disable_test:

components/driver/include/esp_private/rmt.h

@@ -0,0 +1,33 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// DO NOT USE THESE APIS IN YOUR APPLICATIONS
+// The following APIs are for internal test.
+
+#pragma once
+
+#include "esp_err.h"
+#include "driver/rmt_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Get the unique ID of RMT channel
+ *
+ * @param[in] channel RMT generic channel that created by `rmt_new_tx_channel()` or `rmt_new_rx_channel()`
+ * @param[out] ret_id The unique ID of RMT channel
+ * @return
+ *      - ESP_OK: Get RMT channel ID successfully
+ *      - ESP_ERR_INVALID_ARG: Get RMT channel ID failed because of invalid argument
+ *      - ESP_FAIL: Get RMT channel ID failed because of other reasons
+ */
+esp_err_t rmt_get_channel_id(rmt_channel_handle_t channel, int *ret_id);
+
+#ifdef __cplusplus
+}
+#endif

components/driver/rmt/rmt_common.c

@@ -169,6 +169,13 @@ esp_err_t rmt_select_periph_clock(rmt_channel_handle_t chan, rmt_clock_source_t
     return ret;
 }
 
+esp_err_t rmt_get_channel_id(rmt_channel_handle_t channel, int *ret_id)
+{
+    ESP_RETURN_ON_FALSE(channel && ret_id, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
+    *ret_id = channel->channel_id;
+    return ESP_OK;
+}
+
 esp_err_t rmt_apply_carrier(rmt_channel_handle_t channel, const rmt_carrier_config_t *config)
 {
     // specially, we allow config to be NULL, means to disable the carrier submodule

components/driver/test_apps/mcpwm/pytest_mcpwm.py

@@ -8,7 +8,7 @@ from pytest_embedded import Dut
 @pytest.mark.esp32
 @pytest.mark.esp32s3
 @pytest.mark.esp32c6
-# @pytest.mark.esp32h2  # IDF-6812
+@pytest.mark.esp32h2
 @pytest.mark.generic
 @pytest.mark.parametrize(
     'config',

components/driver/test_apps/mcpwm/sdkconfig.defaults

@@ -1,2 +1,2 @@
 CONFIG_FREERTOS_HZ=1000
-CONFIG_ESP_TASK_WDT=n
+CONFIG_ESP_TASK_WDT_INIT=n

components/driver/test_apps/rmt/main/test_rmt_tx.c

@@ -465,7 +465,7 @@ static void test_rmt_multi_channels_trans(size_t channel0_mem_block_symbols, siz
 {
 #define TEST_RMT_CHANS 2
 #define TEST_LED_NUM   1
-#define TEST_STOP_TIME_NO_SYNCHRO_DELTA     250
+#define TEST_STOP_TIME_NO_SYNCHRO_DELTA     300
 #define TEST_STOP_TIME_SYNCHRO_DELTA        60
     rmt_tx_channel_config_t tx_channel_cfg = {
         .clk_src = RMT_CLK_SRC_DEFAULT,

components/driver/test_apps/rmt/pytest_rmt.py

@@ -10,7 +10,7 @@ from pytest_embedded import Dut
 @pytest.mark.esp32s3
 @pytest.mark.esp32c3
 @pytest.mark.esp32c6
-# @pytest.mark.esp32h2  IDF-6810
+@pytest.mark.esp32h2
 @pytest.mark.generic
 @pytest.mark.parametrize(
     'config',

components/esp_system/port/soc/esp32h2/Kconfig.cpu

@@ -1,6 +1,6 @@
 choice ESP_DEFAULT_CPU_FREQ_MHZ
     prompt "CPU frequency"
-    default ESP_DEFAULT_CPU_FREQ_MHZ_64 if IDF_ENV_FPGA
+    default ESP_DEFAULT_CPU_FREQ_MHZ_32 if IDF_ENV_FPGA
     default ESP_DEFAULT_CPU_FREQ_MHZ_96
     help
         CPU frequency to be set on application startup.

components/esp_system/test/test_delay.c

@@ -38,7 +38,6 @@ static void test_delay_task(void *p)
     vTaskDelete(NULL);
 }
 
-#if !CONFIG_IDF_TARGET_ESP32H2 // IDF-6783
 TEST_CASE("esp_rom_delay_us produces correct delay on CPUs", "[delay]")
 {
     int delay_ms = 50;
@@ -61,7 +60,6 @@ TEST_CASE("esp_rom_delay_us produces correct delay on CPUs", "[delay]")
     ref_clock_deinit();
     vSemaphoreDelete(args.done);
 }
-#endif
 
 TEST_CASE("vTaskDelay produces correct delay on CPUs", "[delay]")
 {

examples/peripherals/.build-test-rules.yml

@@ -142,9 +142,6 @@ examples/peripherals/rmt/onewire_ds18b20:
 examples/peripherals/rmt/stepper_motor:
   disable:
     - if: SOC_RMT_SUPPORT_TX_LOOP_AUTO_STOP != 1
-    - if: IDF_TARGET == "esp32h2"
-      temporary: true
-      reason: wrong GPIO on esp32h2
 
 examples/peripherals/sdio/host:
   enable:
@@ -213,12 +210,6 @@ examples/peripherals/timer_group:
   disable:
     - if: SOC_GPTIMER_SUPPORTED != 1
 
-examples/peripherals/timer_group/gptimer:
-  disable_test:
-    - if: IDF_TARGET in ["esp32h2"]
-      temporary: true
-      reason: cannot pass target test IDF-6846
-
 examples/peripherals/timer_group/gptimer_capture_hc_sr04:
   disable:
     - if: SOC_TIMER_SUPPORT_ETM != 1

examples/peripherals/rmt/stepper_motor/README.md

@@ -1,5 +1,5 @@
-| Supported Targets | ESP32-C6 | ESP32-S3 |
+| Supported Targets | ESP32-C6 | ESP32-H2 | ESP32-S3 |
-| ----------------- | -------- | -------- |
+| ----------------- | -------- | -------- | -------- |
 
 # RMT Based Stepper Motor Smooth Controller
 

examples/peripherals/rmt/stepper_motor/main/stepper_motor_example_main.c

@@ -12,9 +12,9 @@
 #include "stepper_motor_encoder.h"
 
 ///////////////////////////////Change the following configurations according to your board//////////////////////////////
-#define STEP_MOTOR_GPIO_EN       19
+#define STEP_MOTOR_GPIO_EN       0
-#define STEP_MOTOR_GPIO_DIR      20
+#define STEP_MOTOR_GPIO_DIR      2
-#define STEP_MOTOR_GPIO_STEP     18
+#define STEP_MOTOR_GPIO_STEP     4
 #define STEP_MOTOR_ENABLE_LEVEL  0 // DRV8825 is enabled on low level
 #define STEP_MOTOR_SPIN_DIR_CLOCKWISE 0
 #define STEP_MOTOR_SPIN_DIR_COUNTERCLOCKWISE !STEP_MOTOR_SPIN_DIR_CLOCKWISE

examples/peripherals/rmt/stepper_motor/pytest_stepper_motor.py

@@ -7,7 +7,7 @@ from pytest_embedded import Dut
 
 @pytest.mark.esp32s3
 @pytest.mark.esp32c6
-# @pytest.mark.esp32h2  IDF-6808
+@pytest.mark.esp32h2
 @pytest.mark.generic
 def test_stepper_motor_example(dut: Dut) -> None:
     dut.expect_exact('example: Initialize EN + DIR GPIO')

examples/peripherals/timer_group/gptimer/pytest_gptimer_example.py

@@ -6,7 +6,6 @@ from pytest_embedded import Dut
 
 
 @pytest.mark.supported_targets
-@pytest.mark.temp_skip_ci(targets=['esp32h2'], reason='test failed')  # IDF-6846
 @pytest.mark.generic
 def test_gptimer_example(dut: Dut) -> None:
     dut.expect_exact('Create timer handle', timeout=5)