cmodule: Add m5utils and remap method.

Signed-off-by: icyqwq <[email protected]>

Author: icyqwq

m5stack/cmodules/cmodules.cmake

@@ -4,6 +4,7 @@
 
 # add cdrivers
 include(${CMAKE_CURRENT_LIST_DIR}/cdriver/cdriver.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/m5utils/m5utils.cmake)
 
 if(M5_CAMERA_MODULE_ENABLE)
     # add m5camera module

m5stack/cmodules/m5utils/m5utils.c

@@ -0,0 +1,43 @@
+// SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+//
+// SPDX-License-Identifier: MIT
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "py/runtime.h"
+
+STATIC mp_obj_t m5_utils_remap(size_t n_args, const mp_obj_t *args) {
+    mp_float_t x = mp_obj_get_float(args[0]);
+    mp_float_t in_min = mp_obj_get_float(args[1]);
+    mp_float_t in_max = mp_obj_get_float(args[2]);
+    mp_float_t out_min = mp_obj_get_float(args[3]);
+    mp_float_t out_max = mp_obj_get_float(args[4]);
+
+    if (in_max == in_min) {
+        // 抛出异常或返回错误
+        mp_raise_ValueError("Input range cannot be zero");
+        return mp_const_none;
+    }
+
+    mp_float_t result = (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+    return mp_obj_new_float(result);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(m5_utils_remap_obj, 5, 5, m5_utils_remap);
+
+
+STATIC const mp_rom_map_elem_t m5utils_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_m5utils) },
+
+    { MP_ROM_QSTR(MP_QSTR_remap), MP_ROM_PTR(&m5_utils_remap_obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(m5utils_module_globals, m5utils_module_globals_table);
+
+const mp_obj_module_t m5utils_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&m5utils_module_globals,
+};
+
+MP_REGISTER_MODULE(MP_QSTR_m5utils, m5utils_module);

m5stack/cmodules/m5utils/m5utils.cmake

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+#
+# SPDX-License-Identifier: MIT
+
+add_library(usermod_M5UTILS INTERFACE)
+
+target_sources(usermod_M5UTILS INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}/m5utils.c
+)
+
+target_include_directories(usermod_M5UTILS INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}
+)
+
+target_link_libraries(usermod INTERFACE usermod_M5UTILS)
+
+set_source_files_properties(
+    ${CMAKE_CURRENT_LIST_DIR}/m5utils.c
+    PROPERTIES COMPILE_FLAGS
+    "-Wno-discarded-qualifiers -Wno-implicit-int"
+)

third-party/cmodules/cmodules.cmake

@@ -1,6 +1,7 @@
 # SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
 #
 # SPDX-License-Identifier: MIT
+include(${CMAKE_CURRENT_LIST_DIR}/m5utils/m5utils.cmake)
 
 if(M5_CAMERA_MODULE_ENABLE)
     # add m5camera module

third-party/cmodules/m5utils/m5utils.c

@@ -0,0 +1,43 @@
+// SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+//
+// SPDX-License-Identifier: MIT
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "py/runtime.h"
+
+STATIC mp_obj_t m5_utils_remap(size_t n_args, const mp_obj_t *args) {
+    mp_float_t x = mp_obj_get_float(args[0]);
+    mp_float_t in_min = mp_obj_get_float(args[1]);
+    mp_float_t in_max = mp_obj_get_float(args[2]);
+    mp_float_t out_min = mp_obj_get_float(args[3]);
+    mp_float_t out_max = mp_obj_get_float(args[4]);
+
+    if (in_max == in_min) {
+        // 抛出异常或返回错误
+        mp_raise_ValueError("Input range cannot be zero");
+        return mp_const_none;
+    }
+
+    mp_float_t result = (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+    return mp_obj_new_float(result);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(m5_utils_remap_obj, 5, 5, m5_utils_remap);
+
+
+STATIC const mp_rom_map_elem_t m5utils_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_m5utils) },
+
+    { MP_ROM_QSTR(MP_QSTR_remap), MP_ROM_PTR(&m5_utils_remap_obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(m5utils_module_globals, m5utils_module_globals_table);
+
+const mp_obj_module_t m5utils_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&m5utils_module_globals,
+};
+
+MP_REGISTER_MODULE(MP_QSTR_m5utils, m5utils_module);

third-party/cmodules/m5utils/m5utils.cmake

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+#
+# SPDX-License-Identifier: MIT
+
+add_library(usermod_M5UTILS INTERFACE)
+
+target_sources(usermod_M5UTILS INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}/m5utils.c
+)
+
+target_include_directories(usermod_M5UTILS INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}
+)
+
+target_link_libraries(usermod INTERFACE usermod_M5UTILS)
+
+set_source_files_properties(
+    ${CMAKE_CURRENT_LIST_DIR}/m5utils.c
+    PROPERTIES COMPILE_FLAGS
+    "-Wno-discarded-qualifiers -Wno-implicit-int"
+)