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3steppers next stage

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This commit is contained in:
Edward Emelianov
2021-10-24 22:29:43 +03:00
parent 9ece1bd91e
commit 9b4bb6c02f
49 changed files with 466 additions and 107 deletions
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19
F0-nolib/Snippets/Flash_EEPROM/flash.c
View File

@@ -40,8 +40,12 @@
#include "proto.h" // printout
#include <string.h> // memcpy
extern const uint32_t __varsstart, _BLOCKSIZE;
// ld-script shoul include _BLOCKSIZE = 1024; (or 2048)
static const uint32_t blocksize = (uint32_t)&_BLOCKSIZE;
// max amount of Config records stored (will be recalculate in flashstorage_init()
static uint32_t maxCnum = FLASH_BLOCK_SIZE / sizeof(user_conf);
static uint32_t maxCnum = 1024 / sizeof(user_conf); // can't use blocksize here
#define USERCONF_INITIALIZER { \
.userconf_sz = sizeof(user_conf) \
@@ -92,7 +96,7 @@ static int binarySearch(int r, const uint8_t *start, int stor_size){
*/
void flashstorage_init(){
if(FLASH_SIZE > 0 && FLASH_SIZE < 20000){
uint32_t flsz = FLASH_SIZE * 1024; // size in bytes
uint32_t flsz = FLASH_SIZE * blocksize; // size in bytes
flsz -= (uint32_t)(&__varsstart) - FLASH_BASE;
maxCnum = flsz / sizeof(user_conf);
//SEND("flsz="); printu(flsz);
@@ -161,13 +165,13 @@ static int erase_flash(const void *start, const void *end){
uint32_t nblocks = 1, flsz = 0;
if(!end){ // erase all remaining
if(FLASH_SIZE > 0 && FLASH_SIZE < 20000){
flsz = FLASH_SIZE * 1024; // size in bytes
flsz = FLASH_SIZE * blocksize; // size in bytes
flsz -= (uint32_t)start - FLASH_BASE;
}
}else{ // erase a part
flsz = (uint32_t)end - (uint32_t)start;
}
nblocks = flsz / FLASH_BLOCK_SIZE;
nblocks = flsz / blocksize;
if(nblocks == 0 || nblocks >= FLASH_SIZE) return 1;
for(uint32_t i = 0; i < nblocks; ++i){
#ifdef EBUG
@@ -194,7 +198,7 @@ static int erase_flash(const void *start, const void *end){
/* (5) Clear EOP flag by software by writing EOP at 1 */
/* (6) Reset the PER Bit to disable the page erase */
FLASH->CR |= FLASH_CR_PER; /* (1) */
FLASH->AR = (uint32_t)Flash_Data + i*FLASH_BLOCK_SIZE; /* (2) */
FLASH->AR = (uint32_t)Flash_Data + i*blocksize; /* (2) */
FLASH->CR |= FLASH_CR_STRT; /* (3) */
while(!(FLASH->SR & FLASH_SR_EOP));
FLASH->SR |= FLASH_SR_EOP; /* (5)*/
@@ -210,6 +214,11 @@ static int erase_flash(const void *start, const void *end){
}
void dump_userconf(){
#ifdef EBUG
SEND("flashsize="); printu(FLASH_SIZE); bufputchar('*');
printu(blocksize); bufputchar('='); printu(FLASH_SIZE*blocksize);
newline();
#endif
SEND("userconf_addr="); printuhex((uint32_t)Flash_Data);
SEND("\nuserconf_sz="); printu(the_conf.userconf_sz);
SEND("\nflags="); printuhex(the_conf.defflags);

14
F0-nolib/Snippets/Flash_EEPROM/flash.h
View File

@@ -26,22 +26,26 @@
#include "hardware.h"
#define FLASH_BLOCK_SIZE (1024)
#define FLASH_SIZE_REG ((uint32_t)0x1FFFF7CC)
#ifndef FLASH_SIZE_REG
blocksizeASH_SIZE_REG ((uint32_t)0x1FFFF7CC)
#endif
#define FLASH_SIZE *((uint16_t*)FLASH_SIZE_REG)
typedef struct{
uint8_t flag1 : 1;
uint8_t flag2 : 1; //...
} defflags_t;
/*
* struct to save user configurations
*/
typedef struct __attribute__((packed, aligned(4))){
uint16_t userconf_sz; // "magick number"
uint8_t defflags; // default flags
uint16_t CANspeed; // default CAN speed
defflags_t defflags; // default flags
} user_conf;
extern user_conf the_conf; // global user config (read from FLASH to RAM)
// data from ld-file: start address of storage
extern const uint32_t __varsstart;
void flashstorage_init();
int store_userconf();