ardupilot/libraries/AP_BattMonitor/AP_BattMonitor_INA239.h

55 lines
1.5 KiB
C++

#pragma once
#include <AP_Common/AP_Common.h>
#include <AP_HAL/SPIDevice.h>
#include "AP_BattMonitor_Backend.h"
#include <utility>
#ifndef HAL_BATTMON_INA239_ENABLED
#define HAL_BATTMON_INA239_ENABLED defined(HAL_BATTMON_INA239_SPI_DEVICE)
#endif
#if HAL_BATTMON_INA239_ENABLED
class AP_BattMonitor_INA239 : public AP_BattMonitor_Backend
{
public:
/// Constructor
AP_BattMonitor_INA239(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;
protected:
AP_HAL::OwnPtr<AP_HAL::Device> dev;
void configure(void);
bool read_word(const uint8_t reg, int16_t& data) const;
bool write_word(const uint8_t reg, const uint16_t data) const;
void timer(void);
bool configured;
bool callback_registered;
uint32_t failed_reads;
uint32_t last_configure_ms;
struct {
uint16_t count;
float volt_sum;
float current_sum;
HAL_Semaphore sem;
} accumulate;
float current_LSB;
float voltage_LSB;
};
#endif // HAL_BATTMON_INA239_ENABLED