ardupilot/libraries/DataFlash/DataFlash_Backend.h

120 lines
3.8 KiB
C++

#ifndef DATAFLASH_BACKEND_H
#define DATAFLASH_BACKEND_H
#include "DataFlash.h"
class DataFlash_Backend
{
public:
FUNCTOR_TYPEDEF(print_mode_fn, void, AP_HAL::BetterStream*, uint8_t);
DataFlash_Backend(DataFlash_Class &front) :
_front(front),
_writing_startup_messages(false),
_internal_errors(0),
_dropped(0),
_last_periodic_1Hz(0),
_last_periodic_10Hz(0)
{ }
void internal_error();
virtual bool CardInserted(void) = 0;
// erase handling
virtual void EraseAll() = 0;
virtual bool NeedPrep() = 0;
virtual void Prep() = 0;
/* Write a block of data at current offset */
bool WriteBlock(const void *pBuffer, uint16_t size) {
return WritePrioritisedBlock(pBuffer, size, false);
}
bool WriteCriticalBlock(const void *pBuffer, uint16_t size) {
return WritePrioritisedBlock(pBuffer, size, true);
}
virtual bool WritePrioritisedBlock(const void *pBuffer, uint16_t size, bool is_critical) = 0;
// high level interface
virtual uint16_t find_last_log() = 0;
virtual void get_log_boundaries(uint16_t log_num, uint16_t & start_page, uint16_t & end_page) = 0;
virtual void get_log_info(uint16_t log_num, uint32_t &size, uint32_t &time_utc) = 0;
virtual int16_t get_log_data(uint16_t log_num, uint16_t page, uint32_t offset, uint16_t len, uint8_t *data) = 0;
virtual uint16_t get_num_logs() = 0;
virtual void LogReadProcess(const uint16_t list_entry,
uint16_t start_page, uint16_t end_page,
print_mode_fn printMode,
AP_HAL::BetterStream *port) = 0;
virtual void DumpPageInfo(AP_HAL::BetterStream *port) = 0;
virtual void ShowDeviceInfo(AP_HAL::BetterStream *port) = 0;
virtual void ListAvailableLogs(AP_HAL::BetterStream *port) = 0;
void EnableWrites(bool enable) { _writes_enabled = enable; }
bool logging_started(void) const { return log_write_started; }
// initialisation this really shouldn't take structure and
// num_types, however the CLI LogReadProcess function requires it.
// That function needs to be split.
virtual void Init(const struct LogStructure *structure, uint8_t num_types) {
_writes_enabled = true;
_num_types = num_types;
_structures = structure;
}
virtual uint16_t bufferspace_available() = 0;
virtual uint16_t start_new_log(void) = 0;
bool log_write_started;
void Log_Fill_Format(const struct LogStructure *structure, struct log_Format &pkt);
#if CONFIG_HAL_BOARD == HAL_BOARD_SITL || CONFIG_HAL_BOARD == HAL_BOARD_LINUX
// currently only DataFlash_File support this:
virtual void flush(void) { }
#endif
virtual void periodic_tasks();
virtual void WroteStartupFormat() { }
virtual void WroteStartupParam() { }
protected:
DataFlash_Class &_front;
virtual void periodic_10Hz(const uint32_t now);
virtual void periodic_1Hz(const uint32_t now);
virtual void periodic_fullrate(const uint32_t now);
/*
read and print a log entry using the format strings from the given structure
*/
void _print_log_entry(uint8_t msg_type,
print_mode_fn print_mode,
AP_HAL::BetterStream *port);
const struct LogStructure *_structures;
uint8_t _num_types = 0;
bool _writes_enabled = false;
/*
read a block
*/
virtual bool ReadBlock(void *pkt, uint16_t size) = 0;
virtual bool WriteBlockCheckStartupMessages();
virtual void WriteMoreStartupMessages();
virtual void push_log_blocks();
bool _writing_startup_messages = false;
uint32_t _internal_errors;
uint32_t _dropped;
private:
uint32_t _last_periodic_1Hz;
uint32_t _last_periodic_10Hz;
};
#endif