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andrea
2026-04-29 23:10:16 +02:00
parent 35716fcfb1
commit a9e6c6c640
34 changed files with 62560 additions and 31122 deletions
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390
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#include "eeprom.h"
/*
* Record format (4 bytes):
* [0] VirtAddress (uint16_t)
* [2] Data (uint16_t)
*
* Page layout:
* [0] PageStatus (uint16_t)
* [2..] Records...
*/
extern uint16_t m1pwmap;
extern uint16_t m1pwmch;
extern uint16_t m2pwmap;
extern uint16_t m2pwmch;
extern uint16_t m3pwmap;
extern uint16_t m3pwmch;
extern uint16_t m4pwmap;
extern uint16_t m4pwmch;
extern uint16_t t1ap;
extern uint16_t t2ap;
extern uint16_t t3ap;
extern uint16_t t4ap;
extern uint16_t twap;
extern uint16_t tramp;
extern uint16_t t1ch;
extern uint16_t t2ch;
extern uint16_t t3ch;
extern uint16_t t4ch;
extern uint16_t twch;
extern uint16_t tramp1;
extern uint16_t trampman;
extern uint16_t m1pwmMan;
extern uint16_t m2pwmMan;
extern uint16_t m3pwmMan;
extern uint16_t m4pwmMan;
const uint8_t deftab[32]={
40, //m1pwmap
60, //m1pwmch
70, //m2pwmap
70, //m2pwmch
35, //m3pwmap
40, //m3pwmch
40, //m4pwmap
40, //m4pwmch
20, //m1rampstart
20, //m2rampstart
20, //m3rampstart
20, //m4rampstart
28, //t1ap
4, //t2ap
10, //t3ap
40, //t4ap
1, //twap
27, //t1ch
10, //t2ch
30, //t3ch
1, //t4ch
1, //twch
0,
0,
0,
100, //tramp1
60, //m1pwmMan
70, //m2pwmMan
40, //m3pwmMan
40, //m4pwmMan
50, //trampman
10, //tramp
};
typedef struct
{
uint16_t VirtAddress;
uint16_t Data;
} EE_Record_t;
/* Active page base address (runtime selected in EE_Init) */
static uint32_t EE_ActivePageBase = EE_PAGE0_BASE;
/* 32 sequential virtual addresses */
const uint16_t EE_VirtAddrs[EE_NUM_VIRTUAL_ADDR] =
{
0x0001, 0x0002, 0x0003, 0x0004,
0x0005, 0x0006, 0x0007, 0x0008,
0x0009, 0x000A, 0x000B, 0x000C,
0x000D, 0x000E, 0x000F, 0x0010,
0x0011, 0x0012, 0x0013, 0x0014,
0x0015, 0x0016, 0x0017, 0x0018,
0x0019, 0x001A, 0x001B, 0x001C,
0x001D, 0x001E, 0x001F, 0x0020
};
/* ========================================================================= */
/* --- Internal helpers ---------------------------------------------------- */
static uint16_t EE_GetPageStatus(uint32_t pageBase)
{
return *(__IO uint16_t *)pageBase;
}
static HAL_StatusTypeDef EE_FlashProgramHalfWord(uint32_t Address, uint16_t Data)
{
HAL_StatusTypeDef status;
HAL_FLASH_Unlock();
status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, Address, Data);
HAL_FLASH_Lock();
return status;
}
static HAL_StatusTypeDef EE_FlashErasePage(uint32_t PageAddress)
{
HAL_StatusTypeDef status;
FLASH_EraseInitTypeDef EraseInit;
uint32_t PageError = 0;
HAL_FLASH_Unlock();
EraseInit.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInit.PageAddress = PageAddress;
EraseInit.NbPages = 1;
status = HAL_FLASHEx_Erase(&EraseInit, &PageError);
HAL_FLASH_Lock();
return status;
}
/* Find first free record address in given page (returns 0 if full) */
static uint32_t EE_FindFreeAddress(uint32_t pageBase)
{
uint32_t addr = pageBase + 2U; /* Skip status word */
uint32_t pageEnd = pageBase + EE_PAGE_SIZE;
while (addr < (pageEnd - sizeof(EE_Record_t) + 1U))
{
uint16_t vaddr = *(__IO uint16_t *)addr;
if (vaddr == 0xFFFFU)
{
/* Empty slot */
return addr;
}
addr += sizeof(EE_Record_t);
}
return 0U; /* No space */
}
/* Find latest value of VirtAddress in a specific page (internal, uses EE_Status) */
/* Find latest value of VirtAddress in a specific page (scan forward) */
static EE_Status EE_FindInPage(uint32_t pageBase, uint16_t VirtAddress, uint16_t *Data)
{
uint32_t addr = pageBase + 2U; // skip status halfword
uint32_t pageEnd = pageBase + EE_PAGE_SIZE;
EE_Status result = EE_NOT_FOUND;
uint16_t lastVal = 0;
if (Data == NULL)
return EE_ERROR;
while (addr <= (pageEnd - sizeof(EE_Record_t)))
{
uint16_t vaddr = *(__IO uint16_t *)addr;
if (vaddr == 0xFFFFU)
{
// First empty slot => no more records in this page
break;
}
uint16_t value = *(__IO uint16_t *)(addr + 2U);
if (vaddr == VirtAddress)
{
lastVal = value; // keep most recent
result = EE_OK;
}
addr += sizeof(EE_Record_t); // move 4 bytes forward
}
if (result == EE_OK)
*Data = lastVal;
return result;
}
/* Format both pages: erase and set PAGE0 as VALID */
static EE_Status EE_Format(void)
{
if (EE_FlashErasePage(EE_PAGE0_BASE) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashErasePage(EE_PAGE1_BASE) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashProgramHalfWord(EE_PAGE0_BASE, EE_PAGE_STATUS_VALID) != HAL_OK)
return EE_STATUS_ERROR;
/* PAGE1 will remain erased (status = 0xFFFF) */
EE_ActivePageBase = EE_PAGE0_BASE;
return EE_STATUS_OK;
}
/* Get the base of the other page */
static uint32_t EE_GetOtherPageBase(uint32_t pageBase)
{
return (pageBase == EE_PAGE0_BASE) ? EE_PAGE1_BASE : EE_PAGE0_BASE;
}
/* Page transfer (garbage collection + new write) */
static EE_Status EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
{
uint32_t oldBase = EE_ActivePageBase;
uint32_t newBase = EE_GetOtherPageBase(oldBase);
uint32_t addr;
uint16_t value;
EE_Status st;
/* Erase new page */
if (EE_FlashErasePage(newBase) != HAL_OK)
return EE_STATUS_ERROR;
/* Mark new page as RECEIVE */
if (EE_FlashProgramHalfWord(newBase, EE_PAGE_STATUS_RECEIVE) != HAL_OK)
return EE_STATUS_ERROR;
/* Start writing records just after status */
addr = newBase + 2U;
/* For each known virtual variable */
for (uint16_t i = 0; i < EE_NUM_VIRTUAL_ADDR; i++)
{
uint16_t vaddr = EE_VirtAddrs[i];
if (vaddr == VirtAddress)
{
/* Use the new data passed into PageTransfer */
value = Data;
}
else
{
/* Read latest value from old active page */
st = EE_FindInPage(oldBase, vaddr, &value);
if (st != EE_STATUS_OK)
{
/* Variable never written -> skip */
continue;
}
}
/* Write record to new page */
if (EE_FlashProgramHalfWord(addr, vaddr) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashProgramHalfWord(addr + 2U, value) != HAL_OK)
return EE_STATUS_ERROR;
addr += sizeof(EE_Record_t);
if (addr >= (newBase + EE_PAGE_SIZE))
return EE_STATUS_NO_SPACE;
}
/* Erase old page */
if (EE_FlashErasePage(oldBase) != HAL_OK)
return EE_STATUS_ERROR;
/* Mark new page as VALID */
if (EE_FlashProgramHalfWord(newBase, EE_PAGE_STATUS_VALID) != HAL_OK)
return EE_STATUS_ERROR;
/* Update active page */
EE_ActivePageBase = newBase;
return EE_STATUS_OK;
}
/* --- Public API ----------------------------------------------------------- */
/*
* Initialize the EEPROM emulation.
* - Checks page statuses and chooses the active page.
* - If inconsistent or blank, formats pages.
* PUBLIC RETURN TYPE: uint16_t (EE_OK / EE_ERROR / ...)
*/
uint16_t EE_Init(void)
{
uint16_t status0 = EE_GetPageStatus(EE_PAGE0_BASE);
uint16_t status1 = EE_GetPageStatus(EE_PAGE1_BASE);
if ((status0 == EE_PAGE_STATUS_ERASED) && (status1 == EE_PAGE_STATUS_ERASED))
{
/* Fresh device -> format */
return (uint16_t)EE_Format();
}
else if ((status0 == EE_PAGE_STATUS_VALID) && (status1 == EE_PAGE_STATUS_ERASED))
{
EE_ActivePageBase = EE_PAGE0_BASE;
return EE_OK;
}
else if ((status1 == EE_PAGE_STATUS_VALID) && (status0 == EE_PAGE_STATUS_ERASED))
{
EE_ActivePageBase = EE_PAGE1_BASE;
return EE_OK;
}
else
{
/* Any weird or inconsistent state -> reformat */
return (uint16_t)EE_Format();
}
}
/*
* Read a 16-bit variable by its virtual address.
* PUBLIC RETURN: EE_OK / EE_NOT_FOUND / EE_ERROR (as uint16_t)
*/
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t *Data)
{
EE_Status st;
if (Data == NULL)
return EE_ERROR;
st = EE_FindInPage(EE_ActivePageBase, VirtAddress, Data);
return (uint16_t)st;
}
/*
* Write (append) a 16-bit variable.
* - Writes a new record in the active page.
* - If the page is full, triggers a page transfer (GC).
* PUBLIC RETURN: EE_OK / EE_ERROR / EE_NO_SPACE (as uint16_t)
*/
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data)
{
uint32_t freeAddr;
EE_Status st;
/* Find free space in active page */
freeAddr = EE_FindFreeAddress(EE_ActivePageBase);
if (freeAddr != 0U)
{
/* Write new record */
if (EE_FlashProgramHalfWord(freeAddr, VirtAddress) != HAL_OK)
return EE_ERROR;
if (EE_FlashProgramHalfWord(freeAddr + 2U, Data) != HAL_OK)
return EE_ERROR;
return EE_OK;
}
/* No space -> page transfer */
st = EE_PageTransfer(VirtAddress, Data);
return (uint16_t)st;
}
void loadEE(void){
EEW_Read(M1PWMAP, &m1pwmap);
EEW_Read(M1PWMCH, &m1pwmch);
EEW_Read(M2PWMAP, &m2pwmap);
EEW_Read(M2PWMCH, &m2pwmch);
EEW_Read(M3PWMAP, &m3pwmap);
EEW_Read(M3PWMCH, &m3pwmch);
EEW_Read(M4PWMAP, &m4pwmap);
EEW_Read(M4PWMCH, &m4pwmch);
EEW_Read(T1AP, &t1ap);
EEW_Read(T2AP, &t2ap);
EEW_Read(T3AP, &t3ap);
EEW_Read(T4AP, &t4ap);
EEW_Read(TWAP, &twap);
EEW_Read(T1CH, &t1ch);
EEW_Read(T2CH, &t2ch);
EEW_Read(T3CH, &t3ch);
EEW_Read(T4CH, &t4ch);
EEW_Read(TWCH, &twch);
EEW_Read(TRAMP1, &tramp1);
EEW_Read(M1PWMMAN, &m1pwmMan);
EEW_Read(M2PWMMAN, &m2pwmMan);
EEW_Read(M3PWMMAN, &m3pwmMan);
EEW_Read(M4PWMMAN, &m4pwmMan);
EEW_Read(TRAMPMAN, &trampman);
EEW_Read(TRAMP, &tramp);
}

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/*
* eeprom.h
*
* Created on: Dec 7, 2025
* Author: user
*/
#ifndef __EEPROM_H
#define __EEPROM_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32f1xx_hal.h"
/*
* Simple EEPROM emulation for STM32F103C8T6 (medium density).
* - Uses 2 Flash pages (1 kB each) at the end of Flash.
* - Stores variables as 16-bit values identified by 16-bit "virtual addresses".
*
* You must define the list of virtual addresses in eeprom.c: EE_VirtAddrs[].
*/
typedef enum
{
EE_STATUS_OK = 0,
EE_STATUS_ERROR,
EE_STATUS_NOT_FOUND,
EE_STATUS_NO_SPACE
} EE_Status;
/* For compatibility with ST style uint16_t return codes */
#define EE_OK ((uint16_t)EE_STATUS_OK)
#define EE_ERROR ((uint16_t)EE_STATUS_ERROR)
#define EE_NOT_FOUND ((uint16_t)EE_STATUS_NOT_FOUND)
#define EE_NO_SPACE ((uint16_t)EE_STATUS_NO_SPACE)
/* Flash parameters for STM32F103C8T6 */
#define EE_FLASH_BASE_ADDR 0x08000000U
#define EE_PAGE_SIZE 0x400U /* 1 kB pages */
/*
* Here we assume a 64 kB Flash device (STM32F103C8T6):
* Flash range: 0x0800 0000 - 0x0800 FFFF
* Pages: 0..63 (64 pages)
* We use the last 2 pages for EEPROM:
* - Page 62: 0x0800 F800
* - Page 63: 0x0800 FC00
*/
#define EE_PAGE0_BASE (EE_FLASH_BASE_ADDR + (62U * EE_PAGE_SIZE))
#define EE_PAGE1_BASE (EE_FLASH_BASE_ADDR + (63U * EE_PAGE_SIZE))
/* Page status markers (stored in the first halfword of each page) */
#define EE_PAGE_STATUS_ERASED 0xFFFFU
#define EE_PAGE_STATUS_VALID 0xAAAAU
#define EE_PAGE_STATUS_RECEIVE 0x5555U
/*
* Configure how many virtual variables you have.
* Example: bytes, words, and array elements mapped to 16-bit variables.
* Set EE_NUM_VIRTUAL_ADDR and define EE_VirtAddrs[] in eeprom.c.
*/
/* 32 virtual variables, sequential addresses */
#define EE_NUM_VIRTUAL_ADDR 32U
#define EEW_ADDR(i) (uint16_t)(0x0001 + (i)) // i = 0..31
#define M1PWMAP 0 //m1pwmap
#define M1PWMCH 1 //m1pwmch
#define M2PWMAP 2 //m2pwmap
#define M2PWMCH 3 //m2pwmch
#define M3PWMAP 4 //m3pwmap
#define M3PWMCH 5 //m3pwmch
#define M4PWMAP 6 //m4pwmap
#define M4PWMCH 7 //m4pwmch
#define M1RAMPSTART 8 //m1rampstart
#define M2RAMPSTART 9 //m2rampstart
#define M3RAMPSTART 10 //m3rampstart
#define M4RAMPSTART 11 //m4rampstart
#define T1AP 12 //t1ap
#define T2AP 13 //t2ap
#define T3AP 14 //t3ap
#define T4AP 15 //t4ap
#define TWAP 16 //twap
#define T1CH 17 //t1ch
#define T2CH 18 //t2ch
#define T3CH 19 //t3ch
#define T4CH 20 //t4ch
#define TWCH 21 //twch
#define TRAMP1 25 //tramp1
#define M1PWMMAN 26 //m1pwmMan
#define M2PWMMAN 27 //m2pwmMan
#define M3PWMMAN 28 //m3pwmMan
#define M4PWMMAN 29 //m4pwmMan
#define TRAMPMAN 30 //trampman
#define TRAMP 31 //tramp
/* Virtual address table (defined in eeprom.c, can be customized) */
extern const uint16_t EE_VirtAddrs[EE_NUM_VIRTUAL_ADDR];
/* Public API – now using uint16_t like ST examples */
uint16_t EE_Init(void);
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t *Data);
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data);
void loadEE(void);
/* Pseudo-array accessor EEW[idx] */
static inline uint16_t EEW_Read(uint8_t idx, uint16_t *value)
{
return EE_ReadVariable(EEW_ADDR(idx), value);
}
static inline uint16_t EEW_Write(uint8_t idx, uint16_t value)
{
return EE_WriteVariable(EEW_ADDR(idx), value);
}
#ifdef __cplusplus
}
#endif
#endif /* __EEPROM_H */

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#include "eeprom.h"
/*
* Record format (4 bytes):
* [0] VirtAddress (uint16_t)
* [2] Data (uint16_t)
*
* Page layout:
* [0] PageStatus (uint16_t)
* [2..] Records...
*/
extern uint16_t m1pwmap;
extern uint16_t m1pwmch;
extern uint16_t m2pwmap;
extern uint16_t m2pwmch;
extern uint16_t m3pwmap;
extern uint16_t m3pwmch;
extern uint16_t m4pwmap;
extern uint16_t m4pwmch;
extern uint16_t t1ap;
extern uint16_t t2ap;
extern uint16_t t3ap;
extern uint16_t t4ap;
extern uint16_t twap;
extern uint16_t tramp;
extern uint16_t t1ch;
extern uint16_t t2ch;
extern uint16_t t3ch;
extern uint16_t t4ch;
extern uint16_t twch;
extern uint16_t tramp1;
extern uint16_t trampman;
extern uint16_t m1pwmMan;
extern uint16_t m2pwmMan;
extern uint16_t m3pwmMan;
extern uint16_t m4pwmMan;
const uint8_t deftab[32]={
40, //m1pwmap
60, //m1pwmch
70, //m2pwmap
70, //m2pwmch
35, //m3pwmap
40, //m3pwmch
40, //m4pwmap
40, //m4pwmch
20, //m1rampstart
20, //m2rampstart
20, //m3rampstart
20, //m4rampstart
28, //t1ap
4, //t2ap
10, //t3ap
40, //t4ap
1, //twap
27, //t1ch
10, //t2ch
30, //t3ch
1, //t4ch
1, //twch
0,
0,
0,
100, //tramp1
60, //m1pwmMan
70, //m2pwmMan
40, //m3pwmMan
40, //m4pwmMan
50, //trampman
10, //tramp
40,
60,
70,
70,
35,
40,
40,
40,
20,
20,
20,
20,
28,
4,
10,
40,
1,
27,
10,
30,
1,
1,
0,
0,
0,
100,
60,
70,
40,
40,
50,
10,
};
typedef struct
{
uint16_t VirtAddress;
uint16_t Data;
} EE_Record_t;
/* Active page base address (runtime selected in EE_Init) */
static uint32_t EE_ActivePageBase = EE_PAGE0_BASE;
/* 32 sequential virtual addresses */
const uint16_t EE_VirtAddrs[EE_NUM_VIRTUAL_ADDR] =
{
0x0001, 0x0002, 0x0003, 0x0004,
0x0005, 0x0006, 0x0007, 0x0008,
0x0009, 0x000A, 0x000B, 0x000C,
0x000D, 0x000E, 0x000F, 0x0010,
0x0011, 0x0012, 0x0013, 0x0014,
0x0015, 0x0016, 0x0017, 0x0018,
0x0019, 0x001A, 0x001B, 0x001C,
0x001D, 0x001E, 0x001F, 0x0020,
0x0021, 0x0022, 0x0023, 0x0024,
0x0025, 0x0026, 0x0027, 0x0028,
0x0029, 0x002A, 0x002B, 0x002C,
0x002D, 0x002E, 0x002F, 0x0030,
0x0031, 0x0032, 0x0033, 0x0034,
0x0035, 0x0036, 0x0037, 0x0038,
0x0039, 0x003A, 0x003B, 0x003C,
0x003D, 0x003E, 0x003F, 0x0040
};
/* ========================================================================= */
/* --- Internal helpers ---------------------------------------------------- */
static uint16_t EE_GetPageStatus(uint32_t pageBase)
{
return *(__IO uint16_t *)pageBase;
}
static HAL_StatusTypeDef EE_FlashProgramHalfWord(uint32_t Address, uint16_t Data)
{
HAL_StatusTypeDef status;
HAL_FLASH_Unlock();
status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, Address, Data);
HAL_FLASH_Lock();
return status;
}
static HAL_StatusTypeDef EE_FlashErasePage(uint32_t PageAddress)
{
HAL_StatusTypeDef status;
FLASH_EraseInitTypeDef EraseInit;
uint32_t PageError = 0;
HAL_FLASH_Unlock();
EraseInit.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInit.PageAddress = PageAddress;
EraseInit.NbPages = 1;
status = HAL_FLASHEx_Erase(&EraseInit, &PageError);
HAL_FLASH_Lock();
return status;
}
/* Find first free record address in given page (returns 0 if full) */
static uint32_t EE_FindFreeAddress(uint32_t pageBase)
{
uint32_t addr = pageBase + 2U; /* Skip status word */
uint32_t pageEnd = pageBase + EE_PAGE_SIZE;
while (addr < (pageEnd - sizeof(EE_Record_t) + 1U))
{
uint16_t vaddr = *(__IO uint16_t *)addr;
if (vaddr == 0xFFFFU)
{
/* Empty slot */
return addr;
}
addr += sizeof(EE_Record_t);
}
return 0U; /* No space */
}
/* Find latest value of VirtAddress in a specific page (internal, uses EE_Status) */
/* Find latest value of VirtAddress in a specific page (scan forward) */
static EE_Status EE_FindInPage(uint32_t pageBase, uint16_t VirtAddress, uint16_t *Data)
{
uint32_t addr = pageBase + 2U; // skip status halfword
uint32_t pageEnd = pageBase + EE_PAGE_SIZE;
EE_Status result = EE_NOT_FOUND;
uint16_t lastVal = 0;
if (Data == NULL)
return EE_ERROR;
while (addr <= (pageEnd - sizeof(EE_Record_t)))
{
uint16_t vaddr = *(__IO uint16_t *)addr;
if (vaddr == 0xFFFFU)
{
// First empty slot => no more records in this page
break;
}
uint16_t value = *(__IO uint16_t *)(addr + 2U);
if (vaddr == VirtAddress)
{
lastVal = value; // keep most recent
result = EE_OK;
}
addr += sizeof(EE_Record_t); // move 4 bytes forward
}
if (result == EE_OK)
*Data = lastVal;
return result;
}
/* Format both pages: erase and set PAGE0 as VALID */
static EE_Status EE_Format(void)
{
if (EE_FlashErasePage(EE_PAGE0_BASE) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashErasePage(EE_PAGE1_BASE) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashProgramHalfWord(EE_PAGE0_BASE, EE_PAGE_STATUS_VALID) != HAL_OK)
return EE_STATUS_ERROR;
/* PAGE1 will remain erased (status = 0xFFFF) */
EE_ActivePageBase = EE_PAGE0_BASE;
return EE_STATUS_OK;
}
/* Get the base of the other page */
static uint32_t EE_GetOtherPageBase(uint32_t pageBase)
{
return (pageBase == EE_PAGE0_BASE) ? EE_PAGE1_BASE : EE_PAGE0_BASE;
}
/* Page transfer (garbage collection + new write) */
static EE_Status EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
{
uint32_t oldBase = EE_ActivePageBase;
uint32_t newBase = EE_GetOtherPageBase(oldBase);
uint32_t addr;
uint16_t value;
EE_Status st;
/* Erase new page */
if (EE_FlashErasePage(newBase) != HAL_OK)
return EE_STATUS_ERROR;
/* Mark new page as RECEIVE */
if (EE_FlashProgramHalfWord(newBase, EE_PAGE_STATUS_RECEIVE) != HAL_OK)
return EE_STATUS_ERROR;
/* Start writing records just after status */
addr = newBase + 2U;
/* For each known virtual variable */
for (uint16_t i = 0; i < EE_NUM_VIRTUAL_ADDR; i++)
{
uint16_t vaddr = EE_VirtAddrs[i];
if (vaddr == VirtAddress)
{
/* Use the new data passed into PageTransfer */
value = Data;
}
else
{
/* Read latest value from old active page */
st = EE_FindInPage(oldBase, vaddr, &value);
if (st != EE_STATUS_OK)
{
/* Variable never written -> skip */
continue;
}
}
/* Write record to new page */
if (EE_FlashProgramHalfWord(addr, vaddr) != HAL_OK)
return EE_STATUS_ERROR;
if (EE_FlashProgramHalfWord(addr + 2U, value) != HAL_OK)
return EE_STATUS_ERROR;
addr += sizeof(EE_Record_t);
if (addr >= (newBase + EE_PAGE_SIZE))
return EE_STATUS_NO_SPACE;
}
/* Erase old page */
if (EE_FlashErasePage(oldBase) != HAL_OK)
return EE_STATUS_ERROR;
/* Mark new page as VALID */
if (EE_FlashProgramHalfWord(newBase, EE_PAGE_STATUS_VALID) != HAL_OK)
return EE_STATUS_ERROR;
/* Update active page */
EE_ActivePageBase = newBase;
return EE_STATUS_OK;
}
/* --- Public API ----------------------------------------------------------- */
/*
* Initialize the EEPROM emulation.
* - Checks page statuses and chooses the active page.
* - If inconsistent or blank, formats pages.
* PUBLIC RETURN TYPE: uint16_t (EE_OK / EE_ERROR / ...)
*/
uint16_t EE_Init(void)
{
uint16_t status0 = EE_GetPageStatus(EE_PAGE0_BASE);
uint16_t status1 = EE_GetPageStatus(EE_PAGE1_BASE);
if ((status0 == EE_PAGE_STATUS_ERASED) && (status1 == EE_PAGE_STATUS_ERASED))
{
/* Fresh device -> format */
return (uint16_t)EE_Format();
}
else if ((status0 == EE_PAGE_STATUS_VALID) && (status1 == EE_PAGE_STATUS_ERASED))
{
EE_ActivePageBase = EE_PAGE0_BASE;
return EE_OK;
}
else if ((status1 == EE_PAGE_STATUS_VALID) && (status0 == EE_PAGE_STATUS_ERASED))
{
EE_ActivePageBase = EE_PAGE1_BASE;
return EE_OK;
}
else
{
/* Any weird or inconsistent state -> reformat */
return (uint16_t)EE_Format();
}
}
/*
* Read a 16-bit variable by its virtual address.
* PUBLIC RETURN: EE_OK / EE_NOT_FOUND / EE_ERROR (as uint16_t)
*/
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t *Data)
{
EE_Status st;
if (Data == NULL)
return EE_ERROR;
st = EE_FindInPage(EE_ActivePageBase, VirtAddress, Data);
return (uint16_t)st;
}
/*
* Write (append) a 16-bit variable.
* - Writes a new record in the active page.
* - If the page is full, triggers a page transfer (GC).
* PUBLIC RETURN: EE_OK / EE_ERROR / EE_NO_SPACE (as uint16_t)
*/
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data)
{
uint32_t freeAddr;
EE_Status st;
/* Find free space in active page */
freeAddr = EE_FindFreeAddress(EE_ActivePageBase);
if (freeAddr != 0U)
{
/* Write new record */
if (EE_FlashProgramHalfWord(freeAddr, VirtAddress) != HAL_OK)
return EE_ERROR;
if (EE_FlashProgramHalfWord(freeAddr + 2U, Data) != HAL_OK)
return EE_ERROR;
return EE_OK;
}
/* No space -> page transfer */
st = EE_PageTransfer(VirtAddress, Data);
return (uint16_t)st;
}
void loadEE(void){
EEW_Read(M1PWMAP, &m1pwmap);
EEW_Read(M1PWMCH, &m1pwmch);
EEW_Read(M2PWMAP, &m2pwmap);
EEW_Read(M2PWMCH, &m2pwmch);
EEW_Read(M3PWMAP, &m3pwmap);
EEW_Read(M3PWMCH, &m3pwmch);
EEW_Read(M4PWMAP, &m4pwmap);
EEW_Read(M4PWMCH, &m4pwmch);
EEW_Read(T1AP, &t1ap);
EEW_Read(T2AP, &t2ap);
EEW_Read(T3AP, &t3ap);
EEW_Read(T4AP, &t4ap);
EEW_Read(TWAP, &twap);
EEW_Read(T1CH, &t1ch);
EEW_Read(T2CH, &t2ch);
EEW_Read(T3CH, &t3ch);
EEW_Read(T4CH, &t4ch);
EEW_Read(TWCH, &twch);
EEW_Read(TRAMP1, &tramp1);
EEW_Read(M1PWMMAN, &m1pwmMan);
EEW_Read(M2PWMMAN, &m2pwmMan);
EEW_Read(M3PWMMAN, &m3pwmMan);
EEW_Read(M4PWMMAN, &m4pwmMan);
EEW_Read(TRAMPMAN, &trampman);
EEW_Read(TRAMP, &tramp);
}

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