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#pragma once
#include <cstddef>
#include <cstdint>
namespace Pinetime {
namespace Drivers {
class Spi;
class SpiNorFlash {
public:
explicit SpiNorFlash(Spi& spi);
SpiNorFlash(const SpiNorFlash&) = delete;
SpiNorFlash& operator=(const SpiNorFlash&) = delete;
SpiNorFlash(SpiNorFlash&&) = delete;
SpiNorFlash& operator=(SpiNorFlash&&) = delete;
struct __attribute__((packed)) Identification {
uint8_t manufacturer = 0;
uint8_t type = 0;
uint8_t density = 0;
};
Identification ReadIdentificaion();
uint8_t ReadStatusRegister();
bool WriteInProgress();
bool WriteEnabled();
uint8_t ReadConfigurationRegister();
void Read(uint32_t address, uint8_t* buffer, size_t size);
void Write(uint32_t address, const uint8_t* buffer, size_t size);
void WriteEnable();
void SectorErase(uint32_t sectorAddress);
uint8_t ReadSecurityRegister();
bool ProgramFailed();
bool EraseFailed();
void Init();
void Uninit();
void Sleep();
void Wakeup();
private:
enum class Commands : uint8_t {
PageProgram = 0x02,
Read = 0x03,
ReadStatusRegister = 0x05,
WriteEnable = 0x06,
ReadConfigurationRegister = 0x15,
SectorErase = 0x20,
ReadSecurityRegister = 0x2B,
ReadIdentification = 0x9F,
ReleaseFromDeepPowerDown = 0xAB,
DeepPowerDown = 0xB9
};
static constexpr uint16_t pageSize = 256;
Spi& spi;
Identification device_id;
};
}
}
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