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4 changed files with 145 additions and 80 deletions

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@ -74,7 +74,7 @@ private:
// 所有控制源均失联,发布安全默认指令
mc::msg::McCtrl safe_msg;
safe_msg.mcu_enabled = false;
safe_msg.mcu_enabled = true;
safe_msg.brake = 1;
safe_msg.gear = 0;
safe_msg.rpm = 0;

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@ -10,8 +10,19 @@
CANDriver canctl;
// 急停状态量
std::atomic<bool> estop_active = false;
struct CanHandlerContext
{
rclcpp::Node::SharedPtr node;
std::shared_ptr<rclcpp::Publisher<mc::msg::CanFrame>> publisher;
};
std::atomic<bool> estop_active = false; // 急停状态量
std::atomic<bool> estop_msg_received = false; // 是否收到过急停帧
std::atomic<bool> vcu_awake = false; // 是否唤醒成功
rclcpp::Time last_estop_msg_time; // 上次收到急停帧的时间
// 全局开关,控制是否打印 CAN 消息到终端
bool g_can_print_enable = false;
struct ControlCache
{
@ -56,7 +67,7 @@ mc::msg::McCtrl get_safe_control()
if (!control_cache.get(msg))
{
// 超时或未接收到控制数据,进入安全状态
msg.mcu_enabled = false;
msg.mcu_enabled = true;
msg.brake = 1;
msg.gear = 0;
msg.rpm = 0;
@ -79,43 +90,44 @@ mc::msg::McCtrl get_safe_control()
void receiveHandler(const CANFrame &frame, void *userData)
{
// 获取 ROS 2 Publisher
auto publisher = *static_cast<std::shared_ptr<rclcpp::Publisher<mc::msg::CanFrame>> *>(userData);
auto context = static_cast<CanHandlerContext *>(userData);
auto publisher = context->publisher;
auto node = context->node;
auto now = node->now();
// 创建一个新的消息
// 创建并发布 CAN 消息
auto msg = mc::msg::CanFrame();
msg.id = frame.id;
msg.dlc = frame.dlc;
msg.data.resize(frame.dlc);
// 复制数据
for (int i = 0; i < frame.dlc; ++i)
{
msg.data[i] = frame.data[i];
}
// 发布消息
msg.data.assign(frame.data, frame.data + frame.dlc);
publisher->publish(msg);
// 终端打印
// std::cout << "CAN ID: ";
// if (frame.id > 0x7ff)
// {
// std::cout << std::hex << std::uppercase << frame.id;
// }
// else
// {
// std::cout << std::hex << std::uppercase << " " << frame.id;
// }
// std::cout << " Data: ";
// for (int i = 0; i < frame.dlc; ++i)
// {
// std::cout << std::setw(2) << std::setfill('0') << std::hex << (int)frame.data[i] << " ";
// }
// std::cout << std::dec << "\n";
// 根据开关决定是否打印 CAN 消息
if (g_can_print_enable)
{
std::stringstream ss;
ss << "CAN ID: ";
if (frame.id > 0x7FF)
ss << std::hex << std::uppercase << frame.id;
else
ss << std::hex << std::uppercase << std::setw(5) << std::setfill(' ') << frame.id;
// 检查是否为急停报文
ss << " Data: ";
for (int i = 0; i < frame.dlc; ++i)
{
ss << std::setw(2) << std::setfill('0') << std::hex << (int)frame.data[i] << " ";
}
RCLCPP_INFO(node->get_logger(), "%s", ss.str().c_str());
}
// 急停报文检查
if (frame.id == 0x18FA0121 && frame.dlc >= 3)
{
last_estop_msg_time = now; // 更新时间
estop_msg_received.store(true);
vcu_awake.store(true); // 唤醒成功
uint8_t estop_status = (frame.data[2] & 0x0c) >> 2; // 急停状态位
// 急停被按下
@ -123,14 +135,14 @@ void receiveHandler(const CANFrame &frame, void *userData)
{
if (!estop_active.load())
{
std::cout << "!!! E-STOP TRIGGERED, entering safe mode" << std::endl;
RCLCPP_WARN(node->get_logger(), "E-STOP TRIGGERED, entering safe mode");
}
estop_active.store(true);
// 立即更新控制缓存,强制进入安全状态
mc::msg::McCtrl safe_msg;
safe_msg.mcu_enabled = false;
safe_msg.mcu_enabled = true;
safe_msg.brake = 1;
safe_msg.gear = 0;
safe_msg.rpm = 0;
@ -152,7 +164,7 @@ void receiveHandler(const CANFrame &frame, void *userData)
{
if (estop_active.load())
{
std::cout << "E-STOP released, resuming control" << std::endl;
RCLCPP_INFO(node->get_logger(), "E-STOP released, resuming control");
}
estop_active.store(false);
}
@ -167,8 +179,60 @@ void mcCtrlCallback(const mc::msg::McCtrl::SharedPtr msg)
control_cache.update(*msg);
}
void VCUWakeUp()
{
CANFrame frame;
// 公共设置
frame.id = 0x18FF8017;
frame.dlc = 8;
frame.ext = true; // 使用扩展帧
frame.rtr = false; // 不是远程帧
// 第1帧握手帧
frame.data[0] = 0x55;
frame.data[1] = 0x21;
for (int i = 2; i < 8; ++i)
frame.data[i] = 0xFF;
canctl.sendFrame(frame);
// 延时,例如 50ms
std::this_thread::sleep_for(std::chrono::milliseconds(50));
// 第2帧启动帧
frame.data[0] = 0xAA;
frame.data[1] = 0x21;
for (int i = 2; i < 8; ++i)
frame.data[i] = 0xFF;
canctl.sendFrame(frame);
}
void setupTimers(rclcpp::Node::SharedPtr node)
{
// VCU 唤醒帧发送定时器1Hz
static rclcpp::TimerBase::SharedPtr timer_wakeup = node->create_wall_timer(
std::chrono::seconds(1), [node]()
{
if (!vcu_awake.load())
{
RCLCPP_INFO(node->get_logger(), "[TIMER][VCU] Not awake, sending wake-up frame...");
VCUWakeUp();
} });
// 急停报文 watchdog 检查200ms
static rclcpp::TimerBase::SharedPtr timer_estop_watchdog = node->create_wall_timer(
std::chrono::milliseconds(200), [node]()
{
auto now = node->now();
auto elapsed = now - last_estop_msg_time;
if (estop_msg_received.load() && elapsed > rclcpp::Duration::from_seconds(0.5))
{
RCLCPP_WARN(node->get_logger(), "[TIMER][VCU] Emergency stop message timeout, resetting wake-up state.");
estop_msg_received.store(false);
vcu_awake.store(false);
} });
// MCU、VCU1 控制50Hz
static rclcpp::TimerBase::SharedPtr timer_mcu = node->create_wall_timer(
std::chrono::milliseconds(20), []()
@ -236,45 +300,17 @@ void setupTimers(rclcpp::Node::SharedPtr node)
canctl.sendFrame(edge_brush_cmd.toFrame()); });
}
void VCUWakeUp()
{
CANFrame frame;
// 公共设置
frame.id = 0x18FF8017;
frame.dlc = 8;
frame.ext = true; // 使用扩展帧
frame.rtr = false; // 不是远程帧
// 第1帧握手帧
frame.data[0] = 0x55;
frame.data[1] = 0x21;
for (int i = 2; i < 8; ++i)
frame.data[i] = 0xFF;
canctl.sendFrame(frame);
// 延时,例如 50ms
std::this_thread::sleep_for(std::chrono::milliseconds(50));
// 第2帧启动帧
frame.data[0] = 0xAA;
frame.data[1] = 0x21;
for (int i = 2; i < 8; ++i)
frame.data[i] = 0xFF;
canctl.sendFrame(frame);
}
int main(int argc, char **argv)
{
rclcpp::init(argc, argv); // 初始化 ROS 2
printf("Hello world mc package\n");
// 创建一个 ROS 2 节点
auto node = rclcpp::Node::make_shared("can_driver_node");
RCLCPP_INFO(node->get_logger(), "Starting mc package...");
// 创建一个 Publisher
auto publisher = node->create_publisher<mc::msg::CanFrame>("can_data", 10);
auto can_publisher = node->create_publisher<mc::msg::CanFrame>("can_data", 10);
// 创建 Subscriber收控制指令
auto subscriber = node->create_subscription<mc::msg::McCtrl>(
@ -283,31 +319,35 @@ int main(int argc, char **argv)
mcCtrlCallback // 收到消息后的回调
);
last_estop_msg_time = rclcpp::Time(0, 0, node->get_clock()->get_clock_type());
Config mc_config;
load_config(mc_config);
if (!canctl.open(mc_config.can_dev))
{
std::cerr << "Failed to open CAN interface :";
std::cerr << mc_config.can_dev << std::endl;
RCLCPP_ERROR(node->get_logger(), "Failed to open CAN interface: %s", mc_config.can_dev.c_str());
return -1;
}
VCUWakeUp();
// 创建上下文
auto context = std::make_shared<CanHandlerContext>();
context->node = node;
context->publisher = can_publisher;
// 设置接收回调并传递 ROS 2 Publisher 作为 userData
canctl.setReceiveCallback(receiveHandler, (void *)&publisher);
// 设置接收回调并传递上下文
canctl.setReceiveCallback(receiveHandler, (void *)context.get());
// 添加定时器设置
setupTimers(node);
// ROS 2 spin
// 在 ROS shutdown 时自动清理
rclcpp::on_shutdown([&]()
{ canctl.close(); });
// 事件循环
rclcpp::spin(node);
// 关闭 CAN 接口
canctl.close();
rclcpp::shutdown(); // 关闭 ROS 2
return 0;
}

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@ -10,6 +10,26 @@ Config config; // 清扫车配置文件
GeneralMsg info_report; // 常规消息上报
std::deque<float> waterLevelHistory;
const size_t maxSamples = 10;
void updateWaterLevel(float newLevel)
{
waterLevelHistory.push_back(newLevel);
if (waterLevelHistory.size() > maxSamples)
{
waterLevelHistory.pop_front();
}
float sum = 0;
for (float v : waterLevelHistory)
sum += v;
float filteredLevel = sum / waterLevelHistory.size();
filteredLevel = std::clamp(filteredLevel, 0.0f, 180.0f);
info_report.waterLevel = static_cast<int>(std::round(filteredLevel / 1.8f));
}
// 解析can报文做消息上报
void Msg_Handler(const mc::msg::CanFrame::SharedPtr msg)
{
@ -25,7 +45,8 @@ void Msg_Handler(const mc::msg::CanFrame::SharedPtr msg)
case 0x1A2:
{
const uint8_t gearByte = msg->data[0];
info_report.gear = (gearByte & 0x01) ? 3 : ((gearByte >> 1) & 0x03);
info_report.gear = (gearByte & 0x01) ? 3 : ((gearByte >> 2) & 0x03);
const int tempRaw = (msg->data[5] << 8) | msg->data[6];
info_report.motorTemp = static_cast<int>(tempRaw * 0.1f - 100.0f);
@ -38,6 +59,8 @@ void Msg_Handler(const mc::msg::CanFrame::SharedPtr msg)
float gear_ratio = 32.0;
float wheel_radius = 0.15; // 轮胎半径,单位米
float vehicle_speed_kmh = (2 * 3.1416 * wheel_radius * (motorspeed / gear_ratio) * 60.0) / 1000.0;
// 保留两位小数
vehicle_speed_kmh = std::round(vehicle_speed_kmh * 100.0f) / 100.0f;
info_report.speed = vehicle_speed_kmh;
break;
}
@ -49,7 +72,7 @@ void Msg_Handler(const mc::msg::CanFrame::SharedPtr msg)
uint16_t WaterValue = (WaterValue_h & 0x3f) * 16 + (WaterValue_l & 0x0f);
float WaterLevel = WaterValue * (-0.235) + 199.75;
WaterLevel = std::clamp(WaterLevel, 0.0f, 180.0f);
info_report.waterLevel = static_cast<int>(std::round(WaterLevel / 1.8f)); // 液位百分比
updateWaterLevel(WaterLevel);
break;
}
@ -256,12 +279,14 @@ int main(int argc, char **argv)
if (!load_config(config))
{
std::cerr << "Failed to load MQTT config." << std::endl;
RCLCPP_ERROR(rclcpp::get_logger("main"), "Failed to load MQTT config.");
return 1;
}
auto node = std::make_shared<CanDataSubscriber>(config);
RCLCPP_INFO(node->get_logger(), "MqttReport node started.");
rclcpp::spin(node);
rclcpp::shutdown();
return 0;

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@ -157,7 +157,7 @@ private:
}
else // 未使能状态,发送安全默认控制指令
{
msg.mcu_enabled = false;
msg.mcu_enabled = true;
msg.brake = 1;
msg.gear = 0;
msg.rpm = 0;