ardupilot/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h

69 lines
1.8 KiB
C++

#pragma once
#include <AP_Common/AP_Common.h>
#include <AP_HAL/I2CDevice.h>
#include "AP_BattMonitor_Backend.h"
#include <AP_Param/AP_Param.h>
#include <utility>
#if AP_BATTERY_INA2XX_ENABLED
class AP_BattMonitor_INA2XX : public AP_BattMonitor_Backend
{
public:
/// Constructor
AP_BattMonitor_INA2XX(AP_BattMonitor &mon,
AP_BattMonitor::BattMonitor_State &mon_state,
AP_BattMonitor_Params &params);
bool has_cell_voltages() const override { return false; }
bool has_temperature() const override { return false; }
bool has_current() const override { return true; }
bool reset_remaining(float percentage) override { return false; }
bool get_cycle_count(uint16_t &cycles) const override { return false; }
void init(void) override;
void read() override;
static const struct AP_Param::GroupInfo var_info[];
private:
AP_HAL::OwnPtr<AP_HAL::I2CDevice> dev;
enum class DevType : uint8_t {
UNKNOWN = 0,
INA226,
INA228,
INA238,
};
static const uint8_t i2c_probe_addresses[];
uint8_t i2c_probe_next;
bool configure(DevType dtype);
bool read_word16(const uint8_t reg, int16_t& data) const;
bool read_word24(const uint8_t reg, int32_t& data) const;
bool write_word(const uint8_t reg, const uint16_t data) const;
void timer(void);
bool detect_device(void);
DevType dev_type;
uint32_t last_detect_ms;
AP_Int8 i2c_bus;
AP_Int8 i2c_address;
bool callback_registered;
uint32_t failed_reads;
struct {
uint16_t count;
float volt_sum;
float current_sum;
HAL_Semaphore sem;
} accumulate;
float current_LSB;
float voltage_LSB;
};
#endif // AP_BATTERY_INA2XX_ENABLED