ardupilot/libraries/SITL/SIM_JEDEC.h

49 lines
1.2 KiB
C++

#pragma once
#include "SIM_SPIDevice.h"
namespace SITL {
class JEDEC : public SPIDevice
{
public:
int rdwr(uint8_t count, SPI::spi_ioc_transfer *&data) override;
protected:
virtual void fill_rdid(uint8_t *buf, uint8_t len) = 0;
virtual void fill_rdsr(uint8_t *buf, uint8_t len) = 0;
virtual const char *filename() const = 0;
virtual uint8_t get_num_blocks() const = 0;
virtual uint16_t get_page_per_block() const = 0;
virtual uint8_t get_page_per_sector() const = 0;
virtual uint16_t get_page_size() const = 0;
uint32_t get_storage_size() const { return get_num_pages()*get_page_size(); } // in bytes
uint32_t get_num_pages() const { return get_num_blocks()*get_page_per_block(); }
private:
enum class State {
WAITING,
READING_RDID,
READING,
WRITING,
READING_RDSR
} state = State::WAITING;
bool write_enabled;
uint32_t xfr_addr;
void sector4k_erase(uint32_t addr);
void block64k_erase(uint32_t addr);
void page_erase(uint32_t addr);
void bulk_erase();
uint32_t parse_addr(uint8_t *buffer, uint32_t len);
void assert_writes_enabled();
void open_storage_fd();
int storage_fd = -1;
};
}