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