Merge branch 'controller/json_attribute_write' into 'main'

esp_matter_controller: Add json_parser support for write-attr command

See merge request app-frameworks/esp-matter!240

components/esp_matter_controller/CMakeLists.txt

@@ -7,4 +7,4 @@ endif()
 
 idf_component_register(SRC_DIRS ${src_dirs_list}
     INCLUDE_DIRS ${include_dirs_list}
-    REQUIRES chip esp_matter esp_matter_console)
+    REQUIRES chip esp_matter esp_matter_console json_parser)

components/esp_matter_controller/esp_matter_controller_utils.cpp

@@ -0,0 +1,46 @@
+// Copyright 2022 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <esp_matter_controller_utils.h>
+#include <string.h>
+
+static uint8_t char_to_hex_digit(char c)
+{
+    if (c >= '0' && c <= '9') {
+        return c - '0';
+    } else if (c >= 'a' && c <= 'f') {
+        return c - 'a' + 10;
+    } else if (c >= 'A' && c <= 'F') {
+        return c - 'A' + 10;
+    } else {
+        return 0xFF;
+    }
+}
+
+int oct_str_to_byte_arr(char *oct_str, uint8_t *byte_array)
+{
+    if (strlen(oct_str) % 2 != 0) {
+        return -1;
+    }
+    size_t byte_array_len = strlen(oct_str) / 2;
+    for (size_t idx = 0; idx < byte_array_len; ++idx) {
+        uint8_t digit1 = char_to_hex_digit(oct_str[2 * idx]);
+        uint8_t digit2 = char_to_hex_digit(oct_str[2 * idx + 1]);
+        if (digit1 == 0xFF || digit2 == 0xFF) {
+            return -1;
+        }
+        byte_array[idx] = (digit1 << 4) + digit2;
+    }
+    return byte_array_len;
+}

components/esp_matter_controller/esp_matter_controller_utils.h

@@ -0,0 +1,19 @@
+// Copyright 2022 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <stdint.h>
+
+int oct_str_to_byte_arr(char *oct_str, uint8_t *byte_array);