feat(driver): added RMT mock

tools/mocks/driver/CMakeLists.txt

@@ -10,9 +10,11 @@ set(include_dirs
     "${original_driver_dir}/i2c/include/driver"
     "${original_driver_dir}/spi/include/driver"
     "${original_driver_dir}/gpio/include/driver"
+    "${original_driver_dir}/rmt/include/driver"
     "${original_driver_dir}/i2c/include"
     "${original_driver_dir}/spi/include"
     "${original_driver_dir}/gpio/include"
+    "${original_driver_dir}/rmt/include"
     "${CMAKE_CURRENT_SOURCE_DIR}/../hal/include")
 
 idf_component_mock(INCLUDE_DIRS ${include_dirs}
@@ -21,6 +23,10 @@ idf_component_mock(INCLUDE_DIRS ${include_dirs}
     ${original_driver_dir}/spi/include/driver/spi_master.h
     ${original_driver_dir}/spi/include/driver/spi_common.h
     ${original_driver_dir}/i2c/include/driver/i2c.h
-    ${original_driver_dir}/gpio/include/driver/gpio.h)
+    ${original_driver_dir}/gpio/include/driver/gpio.h
+    ${original_driver_dir}/rmt/include/driver/rmt_rx.h
+    ${original_driver_dir}/rmt/include/driver/rmt_tx.h
+    ${original_driver_dir}/rmt/include/driver/rmt_common.h
+    ${original_driver_dir}/rmt/include/driver/rmt_encoder.h)
 
 target_compile_definitions(${COMPONENT_LIB} PUBLIC SOC_I2C_NUM=2)

tools/mocks/hal/include/hal/rmt_types.h

@@ -0,0 +1,31 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * NOTE: this is not the original header file from the hal component. It is a stripped-down copy to support mocking.
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int rmt_clock_source_t;
+
+typedef union {
+    struct {
+        unsigned int duration0 : 15; /*!< Duration of level0 */
+        unsigned int level0 : 1;     /*!< Level of the first part */
+        unsigned int duration1 : 15; /*!< Duration of level1 */
+        unsigned int level1 : 1;     /*!< Level of the second part */
+    };
+    unsigned int val; /*!< Equivalent unsigned value for the RMT symbol */
+} rmt_symbol_word_t;
+
+#ifdef __cplusplus
+}
+#endif

tools/test_apps/.build-test-rules.yml

@@ -19,6 +19,10 @@ tools/test_apps/linux_compatible/hello_world_linux_compatible:
   enable:
     - if: INCLUDE_DEFAULT == 1 or IDF_TARGET == "linux"
 
+tools/test_apps/linux_compatible/rmt_mock_build_test:
+  enable:
+    - if: IDF_TARGET == "linux"
+
 tools/test_apps/peripherals/i2c_wifi:
   disable:
     - if: SOC_I2C_SUPPORTED != 1 or SOC_WIFI_SUPPORTED != 1

tools/test_apps/linux_compatible/rmt_mock_build_test/CMakeLists.txt

@@ -0,0 +1,8 @@
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+set(COMPONENTS main)
+list(APPEND EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/mocks/driver/")
+project(rmt_mock_build_test)

tools/test_apps/linux_compatible/rmt_mock_build_test/README.md

@@ -0,0 +1,2 @@
+| Supported Targets | Linux |
+| ----------------- | ----- |

tools/test_apps/linux_compatible/rmt_mock_build_test/main/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "main.c"
+                        PRIV_REQUIRES "driver")

tools/test_apps/linux_compatible/rmt_mock_build_test/main/main.c

@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: CC0-1.0
+ */
+
+#include <stdio.h>
+#include "Mockrmt_encoder.h"
+#include "Mockrmt_common.h"
+#include "Mockrmt_tx.h"
+#include "Mockrmt_rx.h"
+
+void app_main(void)
+{
+    rmt_channel_handle_t channel = 0;
+
+    /*Test that mock functions exist*/
+    rmt_new_bytes_encoder(NULL, NULL);
+    rmt_new_rx_channel(NULL, NULL);
+    rmt_del_channel(channel);
+    rmt_new_tx_channel(NULL, NULL);
+}

tools/test_apps/linux_compatible/rmt_mock_build_test/sdkconfig.defaults

@@ -0,0 +1 @@
+CONFIG_IDF_TARGET="linux"