add printf

mpaland/printf <- github

.vscode/c_cpp_properties.json

@@ -5,9 +5,11 @@
             "includePath": [
                 "${workspaceFolder}/utility/unity/core",
                 "${workspaceFolder}/utility/unity/fixture",
+                "${workspaceFolder}/utility/fff",
+                "${workspaceFolder}/test/cmd_parser/helpers/inc",
+                "${workspaceFolder}/cmd_parser",
                 "${workspaceFolder}/test/oled/helpers/inc",
-                "${workspaceFolder}/test/oled/",
-                "${workspaceFolder}/**"
+                "${workspaceFolder}/oled"
             ],
             "defines": [
                 "_DEBUG",

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Unity Test Explorer Debug",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/${command:unityExplorer.debugTestExecutable}",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "miDebuggerPath": "C:/Apps/mingw64/bin/gdb.exe",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+    ]
+}

.vscode/settings.json

@@ -1,14 +1,17 @@
 {
+    "unityExplorer.testSourceFileRegex": "\\w+_test.c",
+    "unityExplorer.testCaseRegex": "void\\s+(test_.*)\\s*\\(.*\\)",
+    "unityExplorer.testExecutableRegex": "build/exe/$1.exe",
+    "unityExplorer.testSourceFolder": "test",
+    "unityExplorer.testBuildApplication": "ninja",
+    "unityExplorer.testBuildCwdPath": "build",
+    // "unityExplorer.unitUnderTestFolder": "cmd_parser",
+    "unityExplorer.unitUnderTestFileRegex": "\\w+\\.[ch]",
+    "unityExplorer.prettyTestCaseRegex": "test_(\\w+)",
+    "unityExplorer.prettyTestFileRegex": "(\\w+)_test\\.c",
+    "unityExplorer.debugConfiguration": "Unity Test Explorer Debug",
     "files.associations": {
-        "climits": "c",
-        "cmath": "c",
-        "cstdarg": "c",
-        "cstdint": "c",
-        "cstdio": "c",
-        "cstdlib": "c",
-        "type_traits": "c",
-        "limits": "c",
-        "*.tcc": "c",
-        "typeinfo": "c"
-    }
+        "main.h": "c"
+    },
+    
 }

.vscode/tasks.json

@@ -0,0 +1,17 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "shell",
+			"label": "build",
+			"command": "C:/Apps/mingw64/bin/ninja.exe",
+			"options": {
+				"cwd": "${workspaceFolder}/build"
+			},
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		}
+	]
+}

CMakeLists.txt

@@ -15,4 +15,5 @@ add_definitions(${GLOBAL_DEFINITION})
 add_subdirectory(utility/unity unity)
 link_libraries(unity)
 
-add_subdirectory(test/oled oled)
+add_subdirectory(test/oled oled)
+add_subdirectory(test/cmd_parser cmd_parser)

cbuffer/circular_buffer.c

@@ -0,0 +1,62 @@
+#include <string.h>
+#include "stdint.h"
+#include "circular_buffer.h"
+
+CB_StatusTypeDef cb_init(CB_TypeDef *cb, void *buffer, uint16_t capacity, uint8_t item_size)
+{
+    if (buffer == NULL || cb == NULL)
+    {
+        return CB_ERROR;
+    }
+
+    cb->buffer = buffer;
+    cb->buffer_end = (uint8_t *)cb->buffer + capacity * item_size;
+    cb->capacity = capacity;
+    cb->count = 0;
+    cb->item_size = item_size;
+    cb->head = cb->buffer;
+    cb->tail = cb->buffer;
+
+    return CB_OK;
+}
+
+CB_StatusTypeDef cb_push_back(CB_TypeDef *cb, const void *item)
+{
+    if (cb == NULL)
+    {
+        return CB_ERROR;
+    }
+
+    if (cb->count == cb->capacity)
+    {
+        return CB_FULL;
+    }
+    memcpy(cb->head, item, cb->item_size);
+    cb->head = (uint8_t *)cb->head + cb->item_size;
+    if (cb->head == cb->buffer_end)
+        cb->head = cb->buffer;
+    cb->count++;
+
+    return CB_OK;
+}
+
+CB_StatusTypeDef cb_pop_front(CB_TypeDef *cb, void *item)
+{
+    if (cb == NULL)
+    {
+        return CB_ERROR;
+    }
+
+    if (cb->count == 0)
+    {
+        return CB_EMPTY;
+    }
+
+    memcpy(item, cb->tail, cb->item_size);
+    cb->tail = (uint8_t *)cb->tail + cb->item_size;
+    if (cb->tail == cb->buffer_end)
+        cb->tail = cb->buffer;
+    cb->count--;
+
+    return CB_OK;
+}

cbuffer/circular_buffer.h

@@ -0,0 +1,37 @@
+#ifndef __CIRCULAT_BUFFER__
+#define __CIRCULAT_BUFFER__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdio.h>
+
+    typedef enum
+    {
+        CB_OK = 0x00,
+        CB_ERROR = -0x01,
+        CB_EMPTY = -0x02,
+        CB_FULL = -0x03
+    } CB_StatusTypeDef;
+
+    typedef struct
+    {
+        void *buffer;      // data buffer
+        void *buffer_end;  // end of data buffer
+        uint16_t capacity; // maximum number of items in the buffer
+        uint16_t count;    // number of items in the buffer
+        uint8_t item_size; // size of each item in the buffer
+        void *head;        // pointer to head
+        void *tail;        // pointer to tail
+    } CB_TypeDef;
+
+    CB_StatusTypeDef cb_init(CB_TypeDef *cb, void *buffer, uint16_t capacity, uint8_t item_size);
+    CB_StatusTypeDef cb_push_back(CB_TypeDef *cb, const void *item);
+    CB_StatusTypeDef cb_pop_front(CB_TypeDef *cb, void *item);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CIRCULAT_BUFFER__ */

cmd_parser/cmd_parser.c

@@ -0,0 +1,89 @@
+#include "string.h"
+#include "stdint.h"
+
+#include "cmd_parser.h"
+
+static const cmd_t **cmd_array;
+static uint8_t cmd_array_size;
+
+void cmd_parser_init(const cmd_t *commands[], uint8_t size)
+{
+    cmd_array = commands;
+    cmd_array_size = size;
+}
+
+void msg_parse(char *msg)
+{
+    char *msgptr, *submsgptr;
+    parser_t parser = NULL;
+    result_t result = CMD_OK;
+    char key = 0;
+
+    char *token = strtok_r(msg, " ", &msgptr);
+    if (token[0] == '?')
+    {
+        // help message
+    }
+
+    for (uint8_t i = 0; i < cmd_array_size; i++)
+    {
+        if (strcmp(token, cmd_array[i]->name) == 0)
+        {
+            parser = cmd_array[i]->parser;
+            break;
+        }
+    }
+
+    if (parser == NULL)
+    {
+        return;
+    }
+
+    for (token = strtok_r(NULL, " ", &msgptr); token != NULL; token = strtok_r(NULL, " ", &msgptr))
+    {
+        if (token[0] == '-')
+        {
+            key = token[1];
+            result = parser(key, NULL);
+            if (strlen(token) > 2)
+            {
+                token = token + 2;
+            }
+        }
+
+        if (token[0] != '-')
+        {
+            switch (result)
+            {
+            case CMD_VALUE_REQ:
+                result = parser(key, token);
+                break;
+            case CMD_MULTIVAL_REQ:
+                for (char *subtoken = strtok_r(token, ", ", &submsgptr); subtoken != NULL; subtoken = strtok_r(NULL, ",", &submsgptr))
+                {
+                    if (parser(key, subtoken) == CMD_UNKNOWN)
+                    {
+                        result = parser(CMDP_KEY_ARG, subtoken);
+                    }
+                }
+                break;
+            default:
+                result = parser(CMDP_KEY_ARG, token);
+                break;
+            }
+        }
+        if (result == CMD_UNKNOWN)
+        {
+            break;
+        }
+    }
+
+    if (result != CMD_UNKNOWN)
+    {
+        parser(CMDP_KEY_DONE, NULL);
+    }
+    else
+    {
+        parser(CMDP_KEY_STOP, NULL);
+    }
+}

cmd_parser/cmd_parser.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#define CMDP_KEY_DONE 1
+#define CMDP_KEY_ARG 2
+#define CMDP_KEY_STOP 3
+
+typedef enum
+{
+    CMD_OK,
+    CMD_VALUE_REQ,
+    CMD_MULTIVAL_REQ,
+    CMD_UNKNOWN,
+} result_t;
+
+typedef result_t (*parser_t)(char key, char *arg);
+
+typedef struct
+{
+    char *name;
+    parser_t parser;
+} cmd_t;
+
+void cmd_parser_init(const cmd_t *commands[], uint8_t size);
+void msg_parse(char *msg);

cmd_parser/cmd_parser2.h

@@ -0,0 +1,59 @@
+#pragma once
+#include "main.h"
+
+#define CMDP_KEY_ARG 1
+
+typedef void (*help_filter)(char key, const char *text);
+// key = opt_id, arg = value or NULL
+// key = CMDP_KEY_ARG, arg = id_arg or token
+typedef enum
+{
+	CMD_NULL,
+    CMD_OK,
+    CMD_VALUE_REQ,
+    CMD_MULTIVAL_REQ,
+    CMD_UNKNOWN,
+} result_t;
+
+typedef result_t (*parser)(char key, char *arg);
+
+typedef enum
+{
+	NO_VALUE = 0,
+	SINGLE_VALE = 1,
+	MULTI_VALUE = 2,
+	NOT_OPTIONAL = 4,
+} option_flags_t;
+
+typedef const struct
+{
+	uint8_t opt_id;
+	char *name;
+	char *description;
+	option_flags_t flags;
+} option_t;
+
+typedef const struct
+{
+	char *name;
+	uint8_t arg_id;
+	char *description;
+	option_t *options;
+	uint8_t opt_num;
+	// parser arg_parser;
+} argument_t;
+
+typedef const struct
+{
+	char *name;
+	char *description;
+	argument_t *arguments;
+	uint8_t arg_num;
+	option_t *options;
+	uint8_t opt_num;
+	parser cmd_parser;
+} cmd_parser_t;
+
+void cmd_parser_init(cmd_parser_t* commands[], uint8_t size);
+// void cmd_parse(char *msg, parser parser);
+void cmd_parse(char *msg);

printf/printf.h

@@ -0,0 +1,109 @@
+///////////////////////////////////////////////////////////////////////////////
+// \author (c) Marco Paland (info@paland.com)
+//             2014-2019, PALANDesign Hannover, Germany
+//
+// \license The MIT License (MIT)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
+//        embedded systems with a very limited resources.
+//        Use this instead of bloated standard/newlib printf.
+//        These routines are thread safe and reentrant.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _PRINTF_H_
+#define _PRINTF_H_
+
+#include <stdarg.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /**
+     * Output a character to a custom device like UART, used by the printf() function
+     * This function is declared here only. You have to write your custom implementation somewhere
+     * \param character Character to output
+     */
+    void _putchar(char character);
+
+/**
+ * Tiny printf implementation
+ * You have to implement _putchar if you use printf()
+ * To avoid conflicts with the regular printf() API it is overridden by macro defines
+ * and internal underscore-appended functions like printf_() are used
+ * \param format A string that specifies the format of the output
+ * \return The number of characters that are written into the array, not counting the terminating null character
+ */
+#define printf printf_
+    int printf_(const char *format, ...);
+
+/**
+ * Tiny sprintf implementation
+ * Due to security reasons (buffer overflow) YOU SHOULD CONSIDER USING (V)SNPRINTF INSTEAD!
+ * \param buffer A pointer to the buffer where to store the formatted string. MUST be big enough to store the output!
+ * \param format A string that specifies the format of the output
+ * \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
+ */
+#define sprintf sprintf_
+    int sprintf_(char *buffer, const char *format, ...);
+
+/**
+ * Tiny snprintf/vsnprintf implementation
+ * \param buffer A pointer to the buffer where to store the formatted string
+ * \param count The maximum number of characters to store in the buffer, including a terminating null character
+ * \param format A string that specifies the format of the output
+ * \param va A value identifying a variable arguments list
+ * \return The number of characters that COULD have been written into the buffer, not counting the terminating
+ *         null character. A value equal or larger than count indicates truncation. Only when the returned value
+ *         is non-negative and less than count, the string has been completely written.
+ */
+#define snprintf snprintf_
+#define vsnprintf vsnprintf_
+    int snprintf_(char *buffer, size_t count, const char *format, ...);
+    int vsnprintf_(char *buffer, size_t count, const char *format, va_list va);
+
+/**
+ * Tiny vprintf implementation
+ * \param format A string that specifies the format of the output
+ * \param va A value identifying a variable arguments list
+ * \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
+ */
+#define vprintf vprintf_
+    int vprintf_(const char *format, va_list va);
+
+    /**
+     * printf with output function
+     * You may use this as dynamic alternative to printf() with its fixed _putchar() output
+     * \param out An output function which takes one character and an argument pointer
+     * \param arg An argument pointer for user data passed to output function
+     * \param format A string that specifies the format of the output
+     * \return The number of characters that are sent to the output function, not counting the terminating null character
+     */
+    int fctprintf(void (*out)(char character, void *arg), void *arg, const char *format, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _PRINTF_H_

test/cmd_parser/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(TEST_NAME cmd_parser_test)
+
+set(INCLUDE_DIRS
+    ../../cmd_parser
+    helpers/inc
+    ../../utility/fff
+)
+
+set(SRCS
+    ../../cmd_parser/cmd_parser.c
+
+    # helpers/src/led_cmd.c
+    cmd_parser_test.c
+)
+
+add_definitions(-DTEST)
+add_executable(${TEST_NAME} ${SRCS})
+
+target_include_directories(${TEST_NAME} PUBLIC ${INCLUDE_DIRS})

test/cmd_parser/cmd_parser_test.c

@@ -0,0 +1,283 @@
+#include "unity.h"
+#include "fff.h"
+#include "cmd_parser.h"
+
+DEFINE_FFF_GLOBALS;
+FAKE_VALUE_FUNC(result_t, parse_callback, char, char *);
+
+cmd_t led_cmd = {.name = "led", .parser = parse_callback};
+
+void setUp(void)
+{
+    RESET_FAKE(parse_callback);
+    FFF_RESET_HISTORY();
+}
+
+void tearDown(void)
+{
+}
+
+void test_splittoken1(void)
+{
+    char msg[] = "led";
+    parse_callback_fake.return_val = CMD_OK;
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(1, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken2(void)
+{
+    char msg[] = "led set";
+    parse_callback_fake.return_val = CMD_OK;
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(2, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_ARG, parse_callback_fake.arg0_history[0]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("set", parse_callback_fake.arg1_history[0], 3);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken3(void)
+{
+    char msg[] = "led set -p";
+    parse_callback_fake.return_val = CMD_OK;
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(3, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('p', parse_callback_fake.arg0_history[1]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[1]);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken4(void)
+{
+    char msg[] = "led set -p 50";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(4, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('p', parse_callback_fake.arg0_history[1]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[1]);
+    TEST_ASSERT_EQUAL_CHAR('p', parse_callback_fake.arg0_history[2]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("50", parse_callback_fake.arg1_history[2], 2);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken5(void)
+{
+    char msg[] = "led set -p 50 -l";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(5, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken6(void)
+{
+    char msg[] = "led set -p 50 -l Atop, Btop, Ctop";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(8, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[4], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[5], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[6]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[6], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken7(void)
+{
+    char msg[] = "led set -p -l Atop, Btop, Ctop";
+    result_t returnValue[] = {CMD_OK, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(7, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[2]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[2]);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[3], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[4], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[5], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken8(void)
+{
+    char msg[] = "led set -p -l Atop, Btop, Ctop test";
+    result_t returnValue[] = {CMD_OK, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK, CMD_OK, CMD_OK, CMD_UNKNOWN, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(9, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_ARG, parse_callback_fake.arg0_history[7]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("test", parse_callback_fake.arg1_history[7], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken9(void)
+{
+    char msg[] = "led set -p -l Atop, Btop, Wrong test";
+    result_t returnValue[] = {CMD_OK, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK, CMD_OK, CMD_UNKNOWN, CMD_UNKNOWN, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(8, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_STOP, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken10(void)
+{
+    char msg[] = "led set -p50";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(4, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('p', parse_callback_fake.arg0_history[1]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[1]);
+    TEST_ASSERT_EQUAL_CHAR('p', parse_callback_fake.arg0_history[2]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("50", parse_callback_fake.arg1_history[2], 2);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken11(void)
+{
+    char msg[] = "led set -p50 -l Atop,Btop,Ctop";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(8, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[4], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[5], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[6]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[6], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken12(void)
+{
+    char msg[] = "led set -p50 -lAtop,Btop,Ctop";
+    result_t returnValue[] = {CMD_OK, CMD_VALUE_REQ, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(8, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[4], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[5], 4);
+    TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[6]);
+    TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[6], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_DONE, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+void test_splittoken13(void)
+{
+    char msg[] = "led wrong";
+    result_t returnValue[] = {CMD_UNKNOWN, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, 5);
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(2, parse_callback_fake.call_count);
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_STOP, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+
+}
+
+void test_splittoken14(void)
+{
+    char msg[] = "led wrong -p 50 -l Atop,Btop,Ctop";
+    result_t returnValue[] = {CMD_UNKNOWN, CMD_VALUE_REQ, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(2, parse_callback_fake.call_count);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    // TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[4], 4);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[5], 4);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[6]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[6], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_STOP, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+
+void test_splittoken15(void)
+{
+    char msg[] = "led set -X 50 -l Atop,Btop,Ctop";
+    result_t returnValue[] = {CMD_OK, CMD_UNKNOWN, CMD_OK, CMD_MULTIVAL_REQ, CMD_OK};
+    SET_RETURN_SEQ(parse_callback, returnValue, sizeof(returnValue) / sizeof(returnValue[0]));
+    msg_parse(msg);
+    TEST_ASSERT_EQUAL(3, parse_callback_fake.call_count);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[3]);
+    // TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_history[3]);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[4]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Atop", parse_callback_fake.arg1_history[4], 4);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[5]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Btop", parse_callback_fake.arg1_history[5], 4);
+    // TEST_ASSERT_EQUAL_CHAR('l', parse_callback_fake.arg0_history[6]);
+    // TEST_ASSERT_EQUAL_CHAR_ARRAY("Ctop", parse_callback_fake.arg1_history[6], 4);
+
+    TEST_ASSERT_EQUAL_UINT8(CMDP_KEY_STOP, parse_callback_fake.arg0_val);
+    TEST_ASSERT_EQUAL_PTR(NULL, parse_callback_fake.arg1_val);
+}
+
+int main(void)
+{
+    cmd_t led_cmd = {.name = "led", .parser = parse_callback};
+    const cmd_t *cmd_list[] = {&led_cmd};
+    cmd_parser_init(cmd_list, sizeof(cmd_list)/sizeof(cmd_list[0]) );
+    UNITY_BEGIN();
+    RUN_TEST(test_splittoken1);
+    RUN_TEST(test_splittoken2);
+    RUN_TEST(test_splittoken3);
+    RUN_TEST(test_splittoken4);
+    RUN_TEST(test_splittoken5);
+    RUN_TEST(test_splittoken6);
+    RUN_TEST(test_splittoken7);
+    RUN_TEST(test_splittoken8);
+    RUN_TEST(test_splittoken9);
+    RUN_TEST(test_splittoken10);
+    RUN_TEST(test_splittoken11);
+    RUN_TEST(test_splittoken12);
+    RUN_TEST(test_splittoken13);
+    RUN_TEST(test_splittoken14);
+    RUN_TEST(test_splittoken15);
+    return UNITY_END();
+}

test/cmd_parser/helpers/inc/led_cmd.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "main.h"
+#include "cmd_parser.h"
+
+/*
+Usage: led set|get [-p PNUM | --power=PNUM] [-w CHOICES | --which=CHOICES] [-m COICES | --mode=CHOICES]
+    -p, --power     set or get power 0-100
+    -w, --which     set or get specific leds [Atop, Abot, Btop, Bbot, Ctop, Cbot, all]
+    -m, --mode      set or get mode of operation [allways_on, scan]
+*/
+// cmd_parser_t led_cmd;
+
+result_t parse_callback(char key, char *arg);

test/cmd_parser/helpers/src/led_cmd.c

@@ -0,0 +1,62 @@
+#include "led_cmd.h"
+
+enum {set, get};
+
+option_t set_options[] = {
+    {
+        .opt_id = 'p',
+        .name = "power",
+        .flags = SINGLE_VALE,
+        .description = "sets the power of the light",
+    },
+
+    {
+        .opt_id = 'l',
+        .name = "led",
+        .flags = MULTI_VALUE,
+        .description = "diode selection. OPTIONS = [Atop, Abot, Btop, Bbot, Ctop, Cbot, all]",
+    }
+
+};
+
+option_t get_options[] = {
+    {
+        .opt_id = 'p',
+        .name = "power",
+        .flags = NO_VALUE,
+        .description = "gets the power of the light",
+    },
+
+    {
+        .opt_id = 'l',
+        .name = "led",
+        .flags = MULTI_VALUE,
+        .description = "diode selection. OPTIONS = [Atop, Abot, Btop, Bbot, Ctop, Cbot, all]",
+    }
+
+};
+
+argument_t arguments[] = {
+    {
+        .name = "set",
+        .arg_id = set,
+        .options = set_options,
+        .opt_num = sizeof(set_options) / (sizeof(set_options[0])),
+        .description = "allows to set operating parameters",
+    },
+    {
+        .name = "get",
+        .arg_id = get,
+        .options = get_options,
+        .opt_num = sizeof(get_options) / (sizeof(get_options[0])),
+        .description = "allows to get operating parameters",
+    },
+};
+
+cmd_parser_t led_cmd = {
+    .name = "led",
+    .arguments = arguments,
+    .arg_num = sizeof(arguments) / sizeof(arguments[0]),
+    .description = "allows to controll and check leds",
+    .cmd_parser = parse_callback,
+};

test/oled/CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
 
-set(TEST_NAME oled)
+set(TEST_NAME oled_test)
 
 set(INCLUDE_DIRS
     ../../oled