mirror of
https://git.intern.spaceteamaachen.de/ALPAKA/driver-w25qxxx.git
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76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
#ifndef STA_SENSORS_W25Q128_HPP
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#define STA_SENSORS_W25Q128_HPP
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#include <sta/bus/spi/device.hpp>
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#include <sta/sensors/w25qxx_defs.hpp>
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namespace sta
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{
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class W25Qxx
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{
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public:
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W25Qxx(SPIDevice * device);
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uint8_t init();
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public:
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/*
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* Status registers.
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*/
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/**
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* @brief Read one of the flash's status registers.
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*
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* @param regID The ID of the status register. Can only be 1, 2 or 3.
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* @param status_byte A pointer to the variable to write the state into.
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* @return uint8_t Returns 1 if successful, 0 otherwise.
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*/
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uint8_t readStatusRegister(uint8_t regID, uint8_t * status_byte);
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/**
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* @brief Write into one of the chip's status registers.
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*
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* @param regID The ID of the status register. Can only be 1, 2 or 3.
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* @param status_byte The byte to write into the status register.
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* @param nonvolatile If set to true, this setting will be restored after power off.
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* @return uint8_t Returns 1 if successful, 0 otherwise.
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*/
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uint8_t writeStatusRegister(uint8_t regID, uint8_t * status_byte, bool nonvolatile = false);
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/**
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* @brief Checks if the flash is busy writing or erasing.
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*
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* @return bool Returns true if the flash is busy, false otherwise.
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*/
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bool isBusy();
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/**
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* @brief Checks if the flash is write enabled.
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*
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* @return bool Returns true if the flash is write enabled, false otherwise.
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*/
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bool isWriteEnabled();
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public:
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uint8_t readData(const uint8_t * addr, uint8_t * buffer, size_t length);
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uint8_t pageProgram(const uint8_t * addr, uint8_t * buffer, size_t length);
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private:
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uint8_t busWrite(uint8_t instruction, const uint8_t * data = nullptr, size_t length = 0);
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uint8_t busRead(uint8_t instruction, uint8_t * data, size_t length);
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uint8_t writeEnable();
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uint8_t writeVolatileEnable();
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uint8_t writeDisable();
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SPIDevice * device_;
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};
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} // namespace sta
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#endif // STA_SENSORS_W25Q128_HPP
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