Merge pull request #586 from DiUS/ram-saving
Reclaim ~1.5k RAM by tuning down SPIFFS cache, use dynamic DNS table names
This commit is contained in:
commit
a1bb3a6ad8
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@ -47,6 +47,8 @@
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// #define BUILD_WOFS 1
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#define BUILD_SPIFFS 1
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#define SPIFFS_CACHE 1
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// #define LUA_NUMBER_INTEGRAL
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#define LUA_OPTRAM
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@ -173,7 +173,7 @@ struct dns_table_entry {
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u8_t seqno;
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u8_t err;
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u32_t ttl;
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char name[DNS_MAX_NAME_LENGTH];
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char *name;
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ip_addr_t ipaddr;
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/* pointer to callback on DNS query done */
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dns_found_callback found;
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@ -673,6 +673,8 @@ dns_check_entry(u8_t i)
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if (pEntry->found)
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(*pEntry->found)(pEntry->name, NULL, pEntry->arg);
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/* flush this entry */
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mem_free (pEntry->name);
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pEntry->name = NULL;
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pEntry->state = DNS_STATE_UNUSED;
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pEntry->found = NULL;
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break;
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@ -697,6 +699,8 @@ dns_check_entry(u8_t i)
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if (--pEntry->ttl == 0) {
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LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": flush\n", pEntry->name));
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/* flush this entry */
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mem_free (pEntry->name);
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pEntry->name = NULL;
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pEntry->state = DNS_STATE_UNUSED;
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pEntry->found = NULL;
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}
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@ -839,6 +843,8 @@ responseerr:
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(*pEntry->found)(pEntry->name, NULL, pEntry->arg);
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}
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/* flush this entry */
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mem_free (pEntry->name);
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pEntry->name = NULL;
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pEntry->state = DNS_STATE_UNUSED;
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pEntry->found = NULL;
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@ -898,11 +904,16 @@ dns_enqueue(const char *name, dns_found_callback found, void *callback_arg)
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LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": use DNS entry %"U16_F"\n", name, (u16_t)(i)));
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/* fill the entry */
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namelen = LWIP_MIN(strlen(name), DNS_MAX_NAME_LENGTH-1);
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char *namebuf = (char *)mem_zalloc (namelen);
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if (!namebuf)
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return ERR_MEM;
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pEntry->state = DNS_STATE_NEW;
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pEntry->seqno = dns_seqno++;
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pEntry->found = found;
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pEntry->arg = callback_arg;
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namelen = LWIP_MIN(strlen(name), DNS_MAX_NAME_LENGTH-1);
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mem_free (pEntry->name);
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pEntry->name = namebuf;
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MEMCPY(pEntry->name, name, namelen);
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pEntry->name[namelen] = 0;
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@ -196,11 +196,10 @@ static int file_fsinfo( lua_State* L )
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// g_read()
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static int file_g_read( lua_State* L, int n, int16_t end_char )
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{
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if(n< 0 || n>LUAL_BUFFERSIZE)
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if(n <= 0 || n > LUAL_BUFFERSIZE)
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n = LUAL_BUFFERSIZE;
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if(end_char < 0 || end_char >255)
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end_char = EOF;
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int ec = (int)end_char;
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luaL_Buffer b;
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if((FS_OPEN_OK - 1)==file_fd)
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@ -208,27 +207,22 @@ static int file_g_read( lua_State* L, int n, int16_t end_char )
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luaL_buffinit(L, &b);
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char *p = luaL_prepbuffer(&b);
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int c = EOF;
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int i = 0;
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int i;
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do{
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c = fs_getc(file_fd);
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if(c==EOF){
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n = fs_read(file_fd, p, n);
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for (i = 0; i < n; ++i)
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if (p[i] == end_char)
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{
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++i;
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break;
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}
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p[i++] = (char)(0xFF & c);
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}while((c!=EOF) && (c!=ec) && (i<n) );
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#if 0
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if(i>0 && p[i-1] == '\n')
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i--; /* do not include `eol' */
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#endif
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if(i==0){
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luaL_pushresult(&b); /* close buffer */
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return (lua_objlen(L, -1) > 0); /* check whether read something */
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}
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fs_seek(file_fd, -(n - i), SEEK_CUR);
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luaL_addsize(&b, i);
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luaL_pushresult(&b); /* close buffer */
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return 1; /* read at least an `eol' */
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@ -220,7 +220,7 @@ uint32_t platform_flash_read( void *to, uint32_t fromaddr, uint32_t size )
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#else // #ifindef INTERNAL_FLASH_READ_UNIT_SIZE
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uint32_t temp, rest, ssize = size;
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unsigned i;
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char tmpdata[ INTERNAL_FLASH_READ_UNIT_SIZE ];
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char tmpdata[ INTERNAL_FLASH_READ_UNIT_SIZE ] __attribute__ ((aligned(INTERNAL_FLASH_READ_UNIT_SIZE)));
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uint8_t *pto = ( uint8_t* )to;
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const uint32_t blksize = INTERNAL_FLASH_READ_UNIT_SIZE;
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const uint32_t blkmask = INTERNAL_FLASH_READ_UNIT_SIZE - 1;
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@ -460,13 +460,19 @@ spi_data_type platform_spi_send_recv( unsigned id, spi_data_type data )
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// ****************************************************************************
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// Flash access functions
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/*
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* Assumptions:
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* > toaddr is INTERNAL_FLASH_WRITE_UNIT_SIZE aligned
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* > size is a multiple of INTERNAL_FLASH_WRITE_UNIT_SIZE
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*/
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uint32_t platform_s_flash_write( const void *from, uint32_t toaddr, uint32_t size )
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{
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toaddr -= INTERNAL_FLASH_START_ADDRESS;
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SpiFlashOpResult r;
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const uint32_t blkmask = INTERNAL_FLASH_WRITE_UNIT_SIZE - 1;
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uint32_t *apbuf = NULL;
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if( ((uint32_t)from) & blkmask ){
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uint32_t fromaddr = (uint32_t)from;
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if( (fromaddr & blkmask ) || (fromaddr >= INTERNAL_FLASH_START_ADDRESS)) {
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apbuf = (uint32_t *)c_malloc(size);
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if(!apbuf)
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return 0;
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@ -484,12 +490,37 @@ uint32_t platform_s_flash_write( const void *from, uint32_t toaddr, uint32_t siz
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}
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}
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/*
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* Assumptions:
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* > fromaddr is INTERNAL_FLASH_READ_UNIT_SIZE aligned
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* > size is a multiple of INTERNAL_FLASH_READ_UNIT_SIZE
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*/
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uint32_t platform_s_flash_read( void *to, uint32_t fromaddr, uint32_t size )
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{
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if (size==0)
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return 0;
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fromaddr -= INTERNAL_FLASH_START_ADDRESS;
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SpiFlashOpResult r;
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WRITE_PERI_REG(0x60000914, 0x73);
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const uint32_t blkmask = (INTERNAL_FLASH_READ_UNIT_SIZE - 1);
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if( ((uint32_t)to) & blkmask )
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{
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uint32_t size2=size-INTERNAL_FLASH_READ_UNIT_SIZE;
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uint32* to2=(uint32*)((((uint32_t)to)&(~blkmask))+INTERNAL_FLASH_READ_UNIT_SIZE);
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r = flash_read(fromaddr, to2, size2);
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if(SPI_FLASH_RESULT_OK == r)
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{
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os_memmove(to,to2,size2);
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char back[ INTERNAL_FLASH_READ_UNIT_SIZE ] __attribute__ ((aligned(INTERNAL_FLASH_READ_UNIT_SIZE)));
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r=flash_read(fromaddr+size2,(uint32*)back,INTERNAL_FLASH_READ_UNIT_SIZE);
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os_memcpy((uint8_t*)to+size2,back,INTERNAL_FLASH_READ_UNIT_SIZE);
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}
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}
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else
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r = flash_read(fromaddr, (uint32 *)to, size);
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if(SPI_FLASH_RESULT_OK == r)
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return size;
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else{
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@ -8,7 +8,9 @@ spiffs fs;
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static u8_t spiffs_work_buf[LOG_PAGE_SIZE*2];
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static u8_t spiffs_fds[32*4];
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static u8_t spiffs_cache[(LOG_PAGE_SIZE+32)*4];
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#if SPIFFS_CACHE
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static u8_t spiffs_cache[(LOG_PAGE_SIZE+32)*2];
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#endif
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static s32_t my_spiffs_read(u32_t addr, u32_t size, u8_t *dst) {
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platform_flash_read(dst, addr, size);
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@ -62,8 +64,12 @@ void myspiffs_mount() {
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spiffs_work_buf,
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spiffs_fds,
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sizeof(spiffs_fds),
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#if SPIFFS_CACHE
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spiffs_cache,
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sizeof(spiffs_cache),
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#else
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0, 0,
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#endif
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// myspiffs_check_callback);
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0);
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NODE_DBG("mount res: %i\n", res);
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@ -8,16 +8,10 @@
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#ifndef SPIFFS_CONFIG_H_
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#define SPIFFS_CONFIG_H_
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// ----------- 8< ------------
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// Following includes are for the linux test build of spiffs
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// These may/should/must be removed/altered/replaced in your target
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// #include "params_test.h"
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#include "user_config.h"
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#include "c_stdio.h"
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#include "c_stdlib.h"
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#include "c_stdint.h"
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#include "c_string.h"
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#include "c_stddef.h"
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#include "c_types.h"
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// ----------- >8 ------------
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typedef sint32_t s32_t;
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typedef uint32_t u32_t;
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@ -67,6 +61,8 @@ typedef uint8_t u8_t;
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#ifndef SPIFFS_CACHE_STATS
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#define SPIFFS_CACHE_STATS 0
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#endif
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#else
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#define SPIFFS_CACHE_WR 0
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#endif
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// Always check header of each accessed page to ensure consistent state.
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@ -415,7 +415,7 @@ typedef struct __attribute(( packed )) {
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} spiffs_page_header;
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// object index header page header
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typedef struct __attribute(( packed, aligned(4) ))
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typedef struct __attribute(( packed ))
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{
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// common page header
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spiffs_page_header p_hdr;
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@ -428,7 +428,7 @@ typedef struct __attribute(( packed, aligned(4) ))
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} spiffs_page_object_ix_header;
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// object index page header
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typedef struct __attribute(( packed, aligned(4) )) {
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typedef struct __attribute(( packed )) {
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spiffs_page_header p_hdr;
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} spiffs_page_object_ix;
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