60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* File: spi.h
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* Author: thebears
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*
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* Created on December 6, 2024, 11:02 AM
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*/
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#include "defines.h"
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#include "rfm69.h"
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#include "spi.h"
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#include "states.h"
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#include "uart.h"
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#include <avr/io.h>
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#include <util/delay.h>
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#ifndef M95128__H
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#define M95128__H
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#define EEPROM_WREN 0b00000110 // 0x06
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#define EEPROM_WRDI 0b00000100 // 0x04
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#define EEPROM_RDSR 0b00000101 // 0x05
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#define EEPROM_WRSR 0b00000001 // 0x01
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#define EEPROM_READ 0b00000011 // 0x03
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#define EEPROM_WRITE 0b00000010 // 0x02
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#define EEPROM_RDID 0b10000011 // 0x83
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#define EEPROM_WRID 0b10000010 // 0x82
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#define EEPROM_RDLS 0b10000011 // 0x83
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#define EEPROM_LID 0b10000010 // 0x82
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#define PAGE_SIZE 64
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// M95128 is 16 KB = 256 x 64-byte pages; page 0 holds the spool depth, so
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// pages 1..255 hold packets.
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#define EEPROM_MAX_PAGE 255
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#define EEPROM_STATUS_WIP 0x01
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// A page write takes ~5 ms; past this the device is not responding.
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#define EEPROM_POLL_TIMEOUT_MS 100U
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#ifdef __cplusplus
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extern "C" {
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#endif
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void spi_eeprom_select(bool state);
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void eeprom_write(uint8_t page, unsigned const char* msg, uint8_t msg_len);
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void eeprom_read(uint8_t page, unsigned char* msg, uint8_t msg_len);
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void eeprom_write_tx_data(uint8_t page, tx_rx_data_struct tx_data);
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void write_page_address(uint8_t page);
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uint8_t get_last_page(void);
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tx_rx_data_struct eeprom_read_tx_data(uint8_t page);
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void delete_last_page(void);
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uint8_t get_last_page(void);
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void write_last_page_value(uint8_t page);
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void eeprom_clear_page(uint8_t page);
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void write_page_address(uint8_t page);
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void eeprom_write_tx_data(uint8_t page, tx_rx_data_struct tx_data);
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void write_struct_to_last_page(tx_rx_data_struct tx_data);
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tx_rx_data_struct read_struct_last_page(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* M95128__H */
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