ardupilot/libraries/AP_BoardConfig/AP_BoardConfig_CAN.h

136 lines
3.2 KiB
C++

#pragma once
#include <AP_HAL/AP_HAL.h>
#if HAL_WITH_UAVCAN
#include <AP_Param/AP_Param.h>
#ifndef AP_CAN_DEBUG
#define AP_CAN_DEBUG 0
#endif
class AP_BoardConfig_CAN {
public:
AP_BoardConfig_CAN();
/* Do not allow copies */
AP_BoardConfig_CAN(const AP_BoardConfig_CAN &other) = delete;
AP_BoardConfig_CAN &operator=(const AP_BoardConfig_CAN&) = delete;
static AP_BoardConfig_CAN* get_singleton() {
return _singleton;
}
enum Protocol_Type : uint8_t {
Protocol_Type_None = 0,
Protocol_Type_UAVCAN = 1,
};
void init(void);
// returns number of active CAN drivers
uint8_t get_num_drivers(void) { return _num_drivers; }
// return debug level for interface i
uint8_t get_debug_level(uint8_t i) {
#if AP_CAN_DEBUG
if (i < MAX_NUMBER_OF_CAN_INTERFACES) {
return _interfaces[i]._driver_number_cache ? _interfaces[i]._debug_level : 0;
}
#endif
return 0;
}
// return maximum level of debug of all interfaces
uint8_t get_debug_level(void) {
uint8_t ret = 0;
#if AP_CAN_DEBUG
for (uint8_t i = 0; i < MAX_NUMBER_OF_CAN_INTERFACES; i++) {
uint8_t dbg = get_debug_level(i);
ret = (dbg > ret) ? dbg : ret;
}
#endif
return ret;
}
// return maximum level of debug for driver index i
uint8_t get_debug_level_driver(uint8_t i) {
uint8_t ret = 0;
#if AP_CAN_DEBUG
for (uint8_t j = 0; j < MAX_NUMBER_OF_CAN_INTERFACES; j++) {
if (_interfaces[j]._driver_number_cache == i) {
uint8_t dbg = get_debug_level(j);
ret = (dbg > ret) ? dbg : ret;
}
}
#endif
return ret;
}
// return driver for index i
AP_HAL::CANProtocol* get_driver(uint8_t i) {
if (i < MAX_NUMBER_OF_CAN_DRIVERS) {
return _drivers[i]._driver;
}
return nullptr;
}
// return protocol type index i
Protocol_Type get_protocol_type(uint8_t i) {
if (i < MAX_NUMBER_OF_CAN_DRIVERS) {
return _drivers[i]._protocol_type_cache;
}
return Protocol_Type_None;
}
static const struct AP_Param::GroupInfo var_info[];
private:
class Interface {
friend class AP_BoardConfig_CAN;
public:
Interface() {
AP_Param::setup_object_defaults(this, var_info);
}
static const struct AP_Param::GroupInfo var_info[];
private:
AP_Int8 _driver_number;
uint8_t _driver_number_cache;
AP_Int32 _bitrate;
#if AP_CAN_DEBUG
AP_Int8 _debug_level;
#endif
};
class Driver {
friend class AP_BoardConfig_CAN;
public:
Driver() {
AP_Param::setup_object_defaults(this, var_info);
}
static const struct AP_Param::GroupInfo var_info[];
private:
AP_Int8 _protocol_type;
Protocol_Type _protocol_type_cache;
AP_HAL::CANProtocol* _driver;
};
Interface _interfaces[MAX_NUMBER_OF_CAN_INTERFACES];
Driver _drivers[MAX_NUMBER_OF_CAN_DRIVERS];
uint8_t _num_drivers;
static AP_BoardConfig_CAN *_singleton;
};
namespace AP {
AP_BoardConfig_CAN& can();
}
#endif