/*
 * eeprom.h
 *
 *  Created on: Nov 11, 2022
 *      Author: Keith.Lloyd
 */

#ifndef EEPROM_H_
#define EEPROM_H_

#define EE_BUFFER_SIZE 		(8)		//size of buffer for send/receive 4-byte words
#define EE_BYTES_PER_WORD	(4)

#define EE_HEADER_NUM_BYTES	(3)		//number of bytes in m95512 header - instruction, addrH, addrL

/*
 * 	CAUTION: avoid writing across a 128 byte page boundary! This will cause rollover per the datasheet section 6.6
 */

//EEPROM 128 byte pages
#define EE_PAGE_SIZE				128						//Page size in bytes

#define EE_PAGE_BL					(0 * EE_PAGE_SIZE)		//Bootloader data. DO NOT USE!
#define EE_PAGE_SYS					(1 * EE_PAGE_SIZE)		//System info
#define EE_PAGE_DATA				(2 * EE_PAGE_SIZE)		//Saved data
#define EE_PAGE_FREQ1				(3 * EE_PAGE_SIZE)		//Frequency data page 1
#define EE_PAGE_FREQ2				(4 * EE_PAGE_SIZE)		//Frequency data page 2
#define EE_PAGE_HW_FIXES			(5 * EE_PAGE_SIZE)		//END of EEPROM data. Used for EE_EraseAllData()

/*******************************************************************************************************************/
//SYSTEM INFO - EE_PAGE_SYS
/*******************************************************************************************************************/
//defines are eeprom addresses in bytes
#define EE_SYS_MFG					(EE_PAGE_SYS + 0)		//Manufacturer string 	SYS_INFO_LENGTH is 24 bytes
#define EE_SYS_MODEL_NAME			(EE_PAGE_SYS + 24)		//Model name string		SYS_INFO_LENGTH is 24 bytes
#define EE_SYS_SERIAL				(EE_PAGE_SYS + 48)		//Serial Number string	SYS_INFO_LENGTH is 24 bytes
#define EE_SYS_MFG_DATE				(EE_PAGE_SYS + 72)		//Manufacture Date		SYS_INFO_LENGTH is 24 bytes
#define EE_SYS_MODEL_NUMBER			(EE_PAGE_SYS + 96)		//Model number string	SYS_INFO_LENGTH is 24 bytes
//Next available is 120

/*******************************************************************************************************************/
//SAVED DATA - EE_PAGE_DATA
/*******************************************************************************************************************/

#define EE_DATA_FREQUENCY			(EE_PAGE_DATA + 0)		//Index of operating frequency 	UINT32	4 bytes
#define EE_DATA_MODE				(EE_PAGE_DATA + 4)		//Mode ( In Bytes)
#define EE_DATA_TIMER				(EE_PAGE_DATA + 8)		//autoShutdown Timer setting  	UINT32	4 bytes
#define EE_DATA_LANGUAGE			(EE_PAGE_DATA + 12)		//System language				UINT32	4 bytes

/*******************************************************************************************************************/
//FREQUENCY DATA - EE_PAGE_HARDWARE_FIXES
/*******************************************************************************************************************/

#define EE_FREQ_NUM					(EE_PAGE_FREQ1 + 0)		//Number of frequencies

//Addresses 4 through 39 reserved for future use

#define EE_FREQ_START				(EE_PAGE_FREQ1 + 40)	//Start of frequency data. Freqs are save as packed UINT32

//Frequencies are stored as 1 packed UINT32_t per frequency, so 32 per 128 byte EEPROM page.
	//21 on page1 and up to 32 on page2 gives 53 max frequencies. Need more space if storing more than that!
//If each frequency stored is a separate call to EE_WriteMemoryUINT32() it will not cause problems with EEPROM page wrap

/*******************************************************************************************************************/
//HARDWARE FIX DATA - EE_PAGE_FREQ
/*******************************************************************************************************************/

#define EE_HWFIX_INIT				(EE_PAGE_HW_FIXES + 0)	//Hardware fix eeprom page initialized
#define EE_HWFIX_VBATT_CAP_021		(EE_PAGE_HW_FIXES + 4)	//Add cap parallel with R6 on 208021
#define EE_HWFIX_MAIN_PCBA_PN		(EE_PAGE_HW_FIXES + 8)	//Main PCBA part number
//future hardware fixes go here





void EE_LoadData(void);
bool EE_LoadFrequencies(void);
void EE_SaveData(void);				// Save settings to EEPROM
void EE_EraseAllData(void);

void EE_Test(void);
void EE_TestBytes(void);

void EE_WriteMemoryUINT32(uint16_t address, uint32_t *pdata);
void EE_ReadMemoryUINT32(uint16_t address, uint32_t *pdata);
void EE_WriteUINT32(uint16_t address, uint32_t data);
uint32_t EE_ReadUINT32(uint16_t address);
void EE_WriteBytes(uint16_t address, uint8_t *pdata, uint16_t numBytes);
void EE_ReadBytes(uint16_t address, uint8_t *pdata, uint16_t numBytes);


#endif /* EEPROM_H_ */