添加卡尔曼和mrobot

This commit is contained in:
2026-02-04 15:36:21 +08:00
parent 8a031012fa
commit c5acabdc49
8 changed files with 2002 additions and 4 deletions

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@@ -0,0 +1,874 @@
/**
* @file mrobot.c
* @brief MRobot CLI 实现
*/
/* Includes ----------------------------------------------------------------- */
#include "device/mrobot.h"
#include "component/freertos_cli.h"
#include "bsp/uart.h"
#include "bsp/mm.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <FreeRTOS.h>
#include <task.h>
#include <semphr.h>
#include <cmsis_os2.h>
/* Private constants -------------------------------------------------------- */
static const char *const CLI_WELCOME_MESSAGE =
"\r\n"
" __ __ _____ _ _ \r\n"
" | \\/ | __ \\ | | | | \r\n"
" | \\ / | |__) |___ | |__ ___ | |_ \r\n"
" | |\\/| | _ // _ \\| '_ \\ / _ \\| __|\r\n"
" | | | | | \\ \\ (_) | |_) | (_) | |_ \r\n"
" |_| |_|_| \\_\\___/|_.__/ \\___/ \\__|\r\n"
" ------------------------------------\r\n"
" Welcome to use MRobot CLI. Type 'help' to view a list of registered commands.\r\n"
"\r\n";
/* ANSI 转义序列 */
#define ANSI_CLEAR_SCREEN "\033[2J\033[H"
#define ANSI_CURSOR_HOME "\033[H"
#define ANSI_BACKSPACE "\b \b"
/* Private types ------------------------------------------------------------ */
/* CLI 上下文结构体 - 封装所有状态 */
typedef struct {
/* 设备管理 */
MRobot_Device_t devices[MROBOT_MAX_DEVICES];
uint8_t device_count;
/* 自定义命令 */
CLI_Command_Definition_t *custom_cmds[MROBOT_MAX_CUSTOM_COMMANDS];
uint8_t custom_cmd_count;
/* CLI 状态 */
MRobot_State_t state;
char current_path[MROBOT_PATH_MAX_LEN];
/* 命令缓冲区 */
uint8_t cmd_buffer[MROBOT_CMD_BUFFER_SIZE];
volatile uint8_t cmd_index;
volatile bool cmd_ready;
/* UART 相关 */
uint8_t uart_rx_char;
volatile bool tx_complete;
volatile bool htop_exit;
/* 输出缓冲区 */
char output_buffer[MROBOT_OUTPUT_BUFFER_SIZE];
/* 初始化标志 */
bool initialized;
/* 互斥锁 */
SemaphoreHandle_t mutex;
} MRobot_Context_t;
/* Private variables -------------------------------------------------------- */
static MRobot_Context_t ctx = {
.device_count = 0,
.custom_cmd_count = 0,
.state = MROBOT_STATE_IDLE,
.current_path = "/",
.cmd_index = 0,
.cmd_ready = false,
.tx_complete = true,
.htop_exit = false,
.initialized = false,
.mutex = NULL
};
/* Private function prototypes ---------------------------------------------- */
/* 命令处理函数 */
static BaseType_t cmd_help(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString);
static BaseType_t cmd_htop(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString);
static BaseType_t cmd_cd(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString);
static BaseType_t cmd_ls(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString);
static BaseType_t cmd_show(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString);
/* 内部辅助函数 */
static void uart_tx_callback(void);
static void uart_rx_callback(void);
static void send_string(const char *str);
static void send_prompt(void);
static int format_float_va(char *buf, size_t size, const char *fmt, va_list args);
/* CLI 命令定义表 */
static const CLI_Command_Definition_t builtin_commands[] = {
{ "help", " --help: 显示所有可用命令\r\n", cmd_help, 0 },
{ "htop", " --htop: 动态显示 FreeRTOS 任务状态 (按 'q' 退出)\r\n", cmd_htop, 0 },
{ "cd", " --cd <path>: 切换目录\r\n", cmd_cd, 1 },
{ "ls", " --ls: 列出当前目录内容\r\n", cmd_ls, 0 },
{ "show", " --show [device] [count]: 显示设备信息\r\n", cmd_show, -1 },
};
#define BUILTIN_CMD_COUNT (sizeof(builtin_commands) / sizeof(builtin_commands[0]))
/* ========================================================================== */
/* 辅助函数实现 */
/* ========================================================================== */
/**
* @brief 发送字符串到 UART阻塞等待完成
*/
static void send_string(const char *str) {
if (str == NULL || *str == '\0') return;
ctx.tx_complete = false;
BSP_UART_Transmit(MROBOT_UART_PORT, (uint8_t *)str, strlen(str), true);
while (!ctx.tx_complete) { osDelay(1); }
}
/**
* @brief 发送命令提示符
*/
static void send_prompt(void) {
char prompt[MROBOT_PATH_MAX_LEN + 32];
snprintf(prompt, sizeof(prompt), MROBOT_USER_NAME "@" MROBOT_HOST_NAME ":%s$ ", ctx.current_path);
send_string(prompt);
}
/**
* @brief UART 发送完成回调
*/
static void uart_tx_callback(void) {
ctx.tx_complete = true;
}
/**
* @brief UART 接收回调
*/
static void uart_rx_callback(void) {
uint8_t ch = ctx.uart_rx_char;
/* htop 模式下检查退出键 */
if (ctx.state == MROBOT_STATE_HTOP) {
if (ch == 'q' || ch == 'Q' || ch == 27) {
ctx.htop_exit = true;
}
BSP_UART_Receive(MROBOT_UART_PORT, &ctx.uart_rx_char, 1, false);
return;
}
/* 正常命令输入处理 */
if (ch == '\r' || ch == '\n') {
if (ctx.cmd_index > 0) {
ctx.cmd_buffer[ctx.cmd_index] = '\0';
ctx.cmd_ready = true;
BSP_UART_Transmit(MROBOT_UART_PORT, (uint8_t *)"\r\n", 2, false);
}
} else if (ch == 127 || ch == 8) { /* 退格键 */
if (ctx.cmd_index > 0) {
ctx.cmd_index--;
BSP_UART_Transmit(MROBOT_UART_PORT, (uint8_t *)ANSI_BACKSPACE, 3, false);
}
} else if (ch >= 32 && ch < 127 && ctx.cmd_index < sizeof(ctx.cmd_buffer) - 1) {
ctx.cmd_buffer[ctx.cmd_index++] = ch;
BSP_UART_Transmit(MROBOT_UART_PORT, &ch, 1, false);
}
BSP_UART_Receive(MROBOT_UART_PORT, &ctx.uart_rx_char, 1, false);
}
/* ========================================================================== */
/* CLI 命令实现 */
/* ========================================================================== */
/**
* @brief help 命令 - 显示帮助信息
*/
static BaseType_t cmd_help(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString) {
(void)pcCommandString;
int offset = snprintf(pcWriteBuffer, xWriteBufferLen,
"MRobot CLI v2.0\r\n"
"================\r\n"
"Built-in Commands:\r\n");
for (size_t i = 0; i < BUILTIN_CMD_COUNT && offset < (int)xWriteBufferLen - 50; i++) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" %s", builtin_commands[i].pcHelpString);
}
if (ctx.custom_cmd_count > 0) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
"\r\nCustom Commands:\r\n");
for (uint8_t i = 0; i < ctx.custom_cmd_count && offset < (int)xWriteBufferLen - 50; i++) {
if (ctx.custom_cmds[i] != NULL) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" %s", ctx.custom_cmds[i]->pcHelpString);
}
}
}
return pdFALSE;
}
/**
* @brief htop 命令 - 设置 htop 模式标志
*/
static BaseType_t cmd_htop(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString) {
(void)pcCommandString;
(void)pcWriteBuffer;
(void)xWriteBufferLen;
/* htop 模式在 MRobot_Run 中处理 */
return pdFALSE;
}
/**
* @brief cd 命令 - 切换目录
*/
static BaseType_t cmd_cd(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString) {
const char *param;
BaseType_t param_len;
param = FreeRTOS_CLIGetParameter(pcCommandString, 1, &param_len);
if (param == NULL) {
/* 无参数时切换到根目录 */
strcpy(ctx.current_path, "/");
snprintf(pcWriteBuffer, xWriteBufferLen, "Changed to: %s\r\n", ctx.current_path);
return pdFALSE;
}
/* 安全复制路径参数 */
char path[MROBOT_PATH_MAX_LEN];
size_t copy_len = (size_t)param_len < sizeof(path) - 1 ? (size_t)param_len : sizeof(path) - 1;
strncpy(path, param, copy_len);
path[copy_len] = '\0';
/* 路径解析 */
if (strcmp(path, "/") == 0 || strcmp(path, "..") == 0 || strcmp(path, "~") == 0) {
strcpy(ctx.current_path, "/");
} else if (strcmp(path, "dev") == 0 || strcmp(path, "/dev") == 0) {
strcpy(ctx.current_path, "/dev");
} else if (strcmp(path, "modules") == 0 || strcmp(path, "/modules") == 0) {
strcpy(ctx.current_path, "/modules");
} else {
snprintf(pcWriteBuffer, xWriteBufferLen, "Error: Directory '%s' not found\r\n", path);
return pdFALSE;
}
snprintf(pcWriteBuffer, xWriteBufferLen, "Changed to: %s\r\n", ctx.current_path);
return pdFALSE;
}
/**
* @brief ls 命令 - 列出目录内容
*/
static BaseType_t cmd_ls(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString) {
(void)pcCommandString;
int offset = 0;
if (strcmp(ctx.current_path, "/") == 0) {
snprintf(pcWriteBuffer, xWriteBufferLen,
"dev/\r\n"
"modules/\r\n");
} else if (strcmp(ctx.current_path, "/dev") == 0) {
offset = snprintf(pcWriteBuffer, xWriteBufferLen,
"Device List (%d devices)\r\n\r\n",
ctx.device_count);
if (ctx.device_count == 0) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" (No devices)\r\n");
} else {
/* 直接列出所有设备 */
for (uint8_t i = 0; i < ctx.device_count && offset < (int)xWriteBufferLen - 50; i++) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" - %s\r\n", ctx.devices[i].name);
}
}
} else if (strcmp(ctx.current_path, "/modules") == 0) {
snprintf(pcWriteBuffer, xWriteBufferLen,
"Module functions not yet implemented\r\n");
}
return pdFALSE;
}
/**
* @brief show 命令 - 显示设备信息
*/
static BaseType_t cmd_show(char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString) {
const char *param;
const char *count_param;
BaseType_t param_len, count_param_len;
/* 使用局部静态变量跟踪多次打印状态 */
static uint32_t print_count = 0;
static uint32_t current_iter = 0;
static char target_device[MROBOT_DEVICE_NAME_LEN] = {0};
/* 首次调用时解析参数 */
if (current_iter == 0) {
/* 检查是否在 /dev 目录 */
if (strcmp(ctx.current_path, "/dev") != 0) {
snprintf(pcWriteBuffer, xWriteBufferLen,
"Error: 'show' command only works in /dev directory\r\n"
"Hint: Use 'cd /dev' to switch to device directory\r\n");
return pdFALSE;
}
param = FreeRTOS_CLIGetParameter(pcCommandString, 1, &param_len);
count_param = FreeRTOS_CLIGetParameter(pcCommandString, 2, &count_param_len);
/* 解析打印次数 */
print_count = 1;
if (count_param != NULL) {
char count_str[16];
size_t copy_len = (size_t)count_param_len < sizeof(count_str) - 1 ?
(size_t)count_param_len : sizeof(count_str) - 1;
strncpy(count_str, count_param, copy_len);
count_str[copy_len] = '\0';
int parsed = atoi(count_str);
if (parsed > 0 && parsed <= 1000) {
print_count = (uint32_t)parsed;
}
}
/* 保存目标设备名称 */
if (param != NULL) {
size_t copy_len = (size_t)param_len < sizeof(target_device) - 1 ?
(size_t)param_len : sizeof(target_device) - 1;
strncpy(target_device, param, copy_len);
target_device[copy_len] = '\0';
} else {
target_device[0] = '\0';
}
}
int offset = 0;
/* 连续打印模式:清屏 */
if (print_count > 1) {
offset = snprintf(pcWriteBuffer, xWriteBufferLen, "%s[%lu/%lu]\r\n",
ANSI_CLEAR_SCREEN,
(unsigned long)(current_iter + 1),
(unsigned long)print_count);
}
if (target_device[0] == '\0') {
/* 显示所有设备 */
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
"=== All Devices ===\r\n\r\n");
for (uint8_t i = 0; i < ctx.device_count && offset < (int)xWriteBufferLen - 100; i++) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
"--- %s ---\r\n", ctx.devices[i].name);
if (ctx.devices[i].print_cb != NULL) {
int written = ctx.devices[i].print_cb(ctx.devices[i].data,
pcWriteBuffer + offset,
xWriteBufferLen - offset);
offset += (written > 0) ? written : 0;
} else {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" (No print function)\r\n");
}
}
if (ctx.device_count == 0) {
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" (No devices registered)\r\n");
}
} else {
/* 显示指定设备 */
const MRobot_Device_t *dev = MRobot_FindDevice(target_device);
if (dev == NULL) {
snprintf(pcWriteBuffer, xWriteBufferLen,
"Error: Device '%s' not found\r\n",
target_device);
current_iter = 0;
return pdFALSE;
}
offset += snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
"=== %s ===\r\n", dev->name);
if (dev->print_cb != NULL) {
dev->print_cb(dev->data, pcWriteBuffer + offset, xWriteBufferLen - offset);
} else {
snprintf(pcWriteBuffer + offset, xWriteBufferLen - offset,
" (No print function)\r\n");
}
}
/* 判断是否继续打印 */
current_iter++;
if (current_iter < print_count) {
osDelay(MROBOT_HTOP_REFRESH_MS);
return pdTRUE;
} else {
current_iter = 0;
return pdFALSE;
}
}
/* ============================================================================
* htop 模式处理
* ========================================================================== */
static void handle_htop_mode(void) {
send_string(ANSI_CLEAR_SCREEN);
send_string("=== MRobot Task Monitor (Press 'q' to exit) ===\r\n\r\n");
/* 获取任务列表 */
char task_buffer[1024];
char display_line[128];
vTaskList(task_buffer);
/* 表头 */
send_string("Task Name State Prio Stack Num\r\n");
send_string("------------------------------------------------\r\n");
/* 解析并格式化任务列表 */
char *line = strtok(task_buffer, "\r\n");
while (line != NULL) {
char name[17] = {0};
char state_char = '?';
int prio = 0, stack = 0, num = 0;
if (sscanf(line, "%16s %c %d %d %d", name, &state_char, &prio, &stack, &num) == 5) {
const char *state_str;
switch (state_char) {
case 'R': state_str = "Running"; break;
case 'B': state_str = "Blocked"; break;
case 'S': state_str = "Suspend"; break;
case 'D': state_str = "Deleted"; break;
case 'X': state_str = "Ready "; break;
default: state_str = "Unknown"; break;
}
snprintf(display_line, sizeof(display_line),
"%-16s %-8s %-4d %-8d %-4d\r\n",
name, state_str, prio, stack, num);
send_string(display_line);
}
line = strtok(NULL, "\r\n");
}
/* 显示系统信息 */
snprintf(display_line, sizeof(display_line),
"------------------------------------------------\r\n"
"System Tick: %lu | Free Heap: %lu bytes\r\n",
(unsigned long)xTaskGetTickCount(),
(unsigned long)xPortGetFreeHeapSize());
send_string(display_line);
/* 检查退出 */
if (ctx.htop_exit) {
ctx.state = MROBOT_STATE_IDLE;
ctx.htop_exit = false;
send_string(ANSI_CLEAR_SCREEN);
send_prompt();
}
osDelay(MROBOT_HTOP_REFRESH_MS);
}
/* ========================================================================== */
/* 公共 API 实现 */
/* ========================================================================== */
void MRobot_Init(void) {
if (ctx.initialized) return;
/* 创建互斥锁 */
ctx.mutex = xSemaphoreCreateMutex();
/* 初始化状态 */
memset(ctx.devices, 0, sizeof(ctx.devices));
ctx.device_count = 0;
ctx.custom_cmd_count = 0;
ctx.state = MROBOT_STATE_IDLE;
strcpy(ctx.current_path, "/");
ctx.cmd_index = 0;
ctx.cmd_ready = false;
ctx.tx_complete = true;
ctx.htop_exit = false;
/* 注册内置命令 */
for (size_t i = 0; i < BUILTIN_CMD_COUNT; i++) {
FreeRTOS_CLIRegisterCommand(&builtin_commands[i]);
}
/* 注册 UART 回调 */
BSP_UART_RegisterCallback(MROBOT_UART_PORT, BSP_UART_RX_CPLT_CB, uart_rx_callback);
BSP_UART_RegisterCallback(MROBOT_UART_PORT, BSP_UART_TX_CPLT_CB, uart_tx_callback);
/* 启动 UART 接收 */
BSP_UART_Receive(MROBOT_UART_PORT, &ctx.uart_rx_char, 1, false);
/* 等待用户按下回车 */
while (ctx.uart_rx_char != '\r' && ctx.uart_rx_char != '\n') {
osDelay(10);
}
/* 发送欢迎消息和提示符 */
send_string(CLI_WELCOME_MESSAGE);
send_prompt();
ctx.initialized = true;
}
void MRobot_DeInit(void) {
if (!ctx.initialized) return;
/* 释放自定义命令内存 */
for (uint8_t i = 0; i < ctx.custom_cmd_count; i++) {
if (ctx.custom_cmds[i] != NULL) {
BSP_Free(ctx.custom_cmds[i]);
ctx.custom_cmds[i] = NULL;
}
}
/* 删除互斥锁 */
if (ctx.mutex != NULL) {
vSemaphoreDelete(ctx.mutex);
ctx.mutex = NULL;
}
ctx.initialized = false;
}
MRobot_State_t MRobot_GetState(void) {
return ctx.state;
}
MRobot_Error_t MRobot_RegisterDevice(const char *name, void *data, MRobot_PrintCallback_t print_cb) {
if (name == NULL || data == NULL) {
return MROBOT_ERR_NULL_PTR;
}
if (ctx.device_count >= MROBOT_MAX_DEVICES) {
return MROBOT_ERR_FULL;
}
/* 检查重名 */
for (uint8_t i = 0; i < ctx.device_count; i++) {
if (strcmp(ctx.devices[i].name, name) == 0) {
return MROBOT_ERR_INVALID_ARG; /* 设备名已存在 */
}
}
/* 线程安全写入 */
if (ctx.mutex != NULL) {
xSemaphoreTake(ctx.mutex, portMAX_DELAY);
}
strncpy(ctx.devices[ctx.device_count].name, name, MROBOT_DEVICE_NAME_LEN - 1);
ctx.devices[ctx.device_count].name[MROBOT_DEVICE_NAME_LEN - 1] = '\0';
ctx.devices[ctx.device_count].data = data;
ctx.devices[ctx.device_count].print_cb = print_cb;
ctx.device_count++;
if (ctx.mutex != NULL) {
xSemaphoreGive(ctx.mutex);
}
return MROBOT_OK;
}
MRobot_Error_t MRobot_UnregisterDevice(const char *name) {
if (name == NULL) {
return MROBOT_ERR_NULL_PTR;
}
if (ctx.mutex != NULL) {
xSemaphoreTake(ctx.mutex, portMAX_DELAY);
}
for (uint8_t i = 0; i < ctx.device_count; i++) {
if (strcmp(ctx.devices[i].name, name) == 0) {
/* 移动后续设备 */
for (uint8_t j = i; j < ctx.device_count - 1; j++) {
ctx.devices[j] = ctx.devices[j + 1];
}
ctx.device_count--;
if (ctx.mutex != NULL) {
xSemaphoreGive(ctx.mutex);
}
return MROBOT_OK;
}
}
if (ctx.mutex != NULL) {
xSemaphoreGive(ctx.mutex);
}
return MROBOT_ERR_NOT_FOUND;
}
MRobot_Error_t MRobot_RegisterCommand(const char *command, const char *help_text,
MRobot_CommandCallback_t callback, int8_t param_count) {
if (command == NULL || help_text == NULL || callback == NULL) {
return MROBOT_ERR_NULL_PTR;
}
if (ctx.custom_cmd_count >= MROBOT_MAX_CUSTOM_COMMANDS) {
return MROBOT_ERR_FULL;
}
/* 动态分配命令结构体 */
CLI_Command_Definition_t *cmd_def = BSP_Malloc(sizeof(CLI_Command_Definition_t));
if (cmd_def == NULL) {
return MROBOT_ERR_ALLOC;
}
/* 初始化命令定义 */
*(const char **)&cmd_def->pcCommand = command;
*(const char **)&cmd_def->pcHelpString = help_text;
*(pdCOMMAND_LINE_CALLBACK *)&cmd_def->pxCommandInterpreter = (pdCOMMAND_LINE_CALLBACK)callback;
cmd_def->cExpectedNumberOfParameters = param_count;
/* 注册到 FreeRTOS CLI */
FreeRTOS_CLIRegisterCommand(cmd_def);
ctx.custom_cmds[ctx.custom_cmd_count] = cmd_def;
ctx.custom_cmd_count++;
return MROBOT_OK;
}
uint8_t MRobot_GetDeviceCount(void) {
return ctx.device_count;
}
const MRobot_Device_t *MRobot_FindDevice(const char *name) {
if (name == NULL) return NULL;
for (uint8_t i = 0; i < ctx.device_count; i++) {
if (strcmp(ctx.devices[i].name, name) == 0) {
return &ctx.devices[i];
}
}
return NULL;
}
int MRobot_Printf(const char *fmt, ...) {
if (fmt == NULL || !ctx.initialized) return -1;
char buffer[MROBOT_OUTPUT_BUFFER_SIZE];
va_list args;
va_start(args, fmt);
int len = format_float_va(buffer, sizeof(buffer), fmt, args);
va_end(args);
if (len > 0) {
send_string(buffer);
}
return len;
}
/**
* @brief 内部函数格式化浮点数到缓冲区va_list 版本)
*/
static int format_float_va(char *buf, size_t size, const char *fmt, va_list args) {
if (buf == NULL || size == 0 || fmt == NULL) return 0;
char *buf_ptr = buf;
size_t buf_remain = size - 1;
const char *p = fmt;
while (*p && buf_remain > 0) {
if (*p != '%') {
*buf_ptr++ = *p++;
buf_remain--;
continue;
}
p++; /* 跳过 '%' */
/* 处理 %% */
if (*p == '%') {
*buf_ptr++ = '%';
buf_remain--;
p++;
continue;
}
/* 解析精度 %.Nf */
int precision = 2; /* 默认精度 */
if (*p == '.') {
p++;
precision = 0;
while (*p >= '0' && *p <= '9') {
precision = precision * 10 + (*p - '0');
p++;
}
if (precision > 6) precision = 6;
}
int written = 0;
switch (*p) {
case 'f': { /* 浮点数 */
double val = va_arg(args, double);
written = MRobot_FormatFloat(buf_ptr, buf_remain, (float)val, precision);
break;
}
case 'd':
case 'i': {
int val = va_arg(args, int);
written = snprintf(buf_ptr, buf_remain, "%d", val);
break;
}
case 'u': {
unsigned int val = va_arg(args, unsigned int);
written = snprintf(buf_ptr, buf_remain, "%u", val);
break;
}
case 'x': {
unsigned int val = va_arg(args, unsigned int);
written = snprintf(buf_ptr, buf_remain, "%x", val);
break;
}
case 'X': {
unsigned int val = va_arg(args, unsigned int);
written = snprintf(buf_ptr, buf_remain, "%X", val);
break;
}
case 's': {
const char *str = va_arg(args, const char *);
if (str == NULL) str = "(null)";
written = snprintf(buf_ptr, buf_remain, "%s", str);
break;
}
case 'c': {
int ch = va_arg(args, int);
*buf_ptr = (char)ch;
written = 1;
break;
}
case 'l': {
p++;
if (*p == 'd' || *p == 'i') {
long val = va_arg(args, long);
written = snprintf(buf_ptr, buf_remain, "%ld", val);
} else if (*p == 'u') {
unsigned long val = va_arg(args, unsigned long);
written = snprintf(buf_ptr, buf_remain, "%lu", val);
} else if (*p == 'x' || *p == 'X') {
unsigned long val = va_arg(args, unsigned long);
written = snprintf(buf_ptr, buf_remain, *p == 'x' ? "%lx" : "%lX", val);
} else {
p--;
}
break;
}
default: {
*buf_ptr++ = '%';
buf_remain--;
if (buf_remain > 0) {
*buf_ptr++ = *p;
buf_remain--;
}
written = 0;
break;
}
}
if (written > 0) {
buf_ptr += written;
buf_remain -= (size_t)written;
}
p++;
}
*buf_ptr = '\0';
return (int)(buf_ptr - buf);
}
int MRobot_Snprintf(char *buf, size_t size, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int len = format_float_va(buf, size, fmt, args);
va_end(args);
return len;
}
int MRobot_FormatFloat(char *buf, size_t size, float val, int precision) {
if (buf == NULL || size == 0) return 0;
int offset = 0;
/* 处理负数 */
if (val < 0) {
if (offset < (int)size - 1) buf[offset++] = '-';
val = -val;
}
/* 限制精度范围 */
if (precision < 0) precision = 0;
if (precision > 6) precision = 6;
/* 计算乘数 */
int multiplier = 1;
for (int i = 0; i < precision; i++) multiplier *= 10;
int int_part = (int)val;
int frac_part = (int)((val - int_part) * multiplier + 0.5f);
/* 处理进位 */
if (frac_part >= multiplier) {
int_part++;
frac_part -= multiplier;
}
/* 格式化输出 */
int written;
if (precision > 0) {
written = snprintf(buf + offset, size - offset, "%d.%0*d", int_part, precision, frac_part);
} else {
written = snprintf(buf + offset, size - offset, "%d", int_part);
}
return (written > 0) ? (offset + written) : offset;
}
void MRobot_Run(void) {
if (!ctx.initialized) return;
/* htop 模式 */
if (ctx.state == MROBOT_STATE_HTOP) {
handle_htop_mode();
return;
}
/* 处理命令 */
if (ctx.cmd_ready) {
ctx.state = MROBOT_STATE_PROCESSING;
/* 检查是否是 htop 命令 */
if (strcmp((char *)ctx.cmd_buffer, "htop") == 0) {
ctx.state = MROBOT_STATE_HTOP;
ctx.htop_exit = false;
} else {
/* 处理其他命令 */
BaseType_t more;
do {
ctx.output_buffer[0] = '\0';
more = FreeRTOS_CLIProcessCommand((char *)ctx.cmd_buffer,
ctx.output_buffer,
sizeof(ctx.output_buffer));
if (ctx.output_buffer[0] != '\0') {
send_string(ctx.output_buffer);
}
} while (more != pdFALSE);
send_prompt();
ctx.state = MROBOT_STATE_IDLE;
}
ctx.cmd_index = 0;
ctx.cmd_ready = false;
}
osDelay(10);
}