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40 lines
1.3 KiB
40 lines
1.3 KiB
#ifndef __AP_HAL_LINUX_STORAGE_FRAM_H__ |
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#define __AP_HAL_LINUX_STORAGE_FRAM_H__ |
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#include <AP_HAL/AP_HAL.h> |
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#include "AP_HAL_Linux_Namespace.h" |
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#define OPCODE_WREN 0b0110 /* Write Enable Latch */ |
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#define OPCODE_WRDI 0b0100 /* Reset Write Enable Latch */ |
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#define OPCODE_RDSR 0b0101 /* Read Status Register */ |
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#define OPCODE_WRSR 0b0001 /* Write Status Register */ |
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#define OPCODE_READ 0b0011 /* Read Memory */ |
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#define OPCODE_WRITE 0b0010 /* Write Memory */ |
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#define OPCODE_RDID 0b10011111 /* Read Device ID */ |
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class Linux::LinuxStorage_FRAM : public Linux::LinuxStorage |
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{ |
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public: |
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LinuxStorage_FRAM(); |
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void _timer_tick(void); |
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private: |
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uint32_t fptr; |
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int32_t write(uint16_t fd, uint8_t *Buff, uint16_t NumBytes); |
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int32_t read(uint16_t fd, uint8_t *Buff, uint16_t NumBytes); |
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uint32_t lseek(uint16_t fd,uint32_t offset,uint16_t whence); |
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int8_t open(); |
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int8_t _register_write( uint8_t* src, uint16_t addr, uint16_t len ); |
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int8_t _register_read( uint16_t addr, uint8_t opcode ); |
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int8_t _write_enable(bool enable); |
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int8_t transaction(uint8_t* tx, uint8_t* rx, uint16_t len); |
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void _storage_create(void); |
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void _storage_open(void); |
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AP_HAL::SPIDeviceDriver *_spi; |
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AP_HAL::Semaphore *_spi_sem; |
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}; |
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#endif // __AP_HAL_LINUX_STORAGE_H__
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