X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Fflash_avr.c;h=fc87fec547f725f5a9e6a2bac9be2090402ba5c3;hb=5e2546b7c16858616b427172728254c4d2b40539;hp=73075cde5c080bb7dec1fbea8d13605731d3669a;hpb=5853468b688f4ef103db8977ea633c596a64b8b1;p=bertos.git diff --git a/bertos/cpu/avr/drv/flash_avr.c b/bertos/cpu/avr/drv/flash_avr.c index 73075cde..fc87fec5 100644 --- a/bertos/cpu/avr/drv/flash_avr.c +++ b/bertos/cpu/avr/drv/flash_avr.c @@ -68,17 +68,9 @@ typedef uint16_t avr_page_addr_t; -/** - * Temporary buffer cointaing data block to - * write on flash. - */ -static uint8_t page_buf[SPM_PAGESIZE]; - - - -/* +/** * Private avr flush funtion. * * Write current buffered page in flash memory (if modified). @@ -88,7 +80,7 @@ static uint8_t page_buf[SPM_PAGESIZE]; */ static void flash_avr_flush(KFileFlashAvr *fd) { - if (fd->page_modified) + if (fd->page_dirty) { kprintf("Flushing page %d\n", fd->curr_page); @@ -100,7 +92,7 @@ static void flash_avr_flush(KFileFlashAvr *fd) // Fill the temporary buffer of the AVR for (avr_page_addr_t page_addr = 0; page_addr < SPM_PAGESIZE; page_addr += 2) { - uint16_t word = ((uint16_t)page_buf[page_addr + 1] << 8) | page_buf[page_addr]; + uint16_t word = ((uint16_t)fd->page_buf[page_addr + 1] << 8) | fd->page_buf[page_addr]; ATOMIC(boot_page_fill(page_addr, word)); } @@ -129,7 +121,7 @@ static void flash_avr_flush(KFileFlashAvr *fd) */ ATOMIC(boot_rww_enable()); - fd->page_modified = false; + fd->page_dirty = false; kprintf("Done.\n"); } } @@ -159,7 +151,7 @@ static void flash_avr_loadPage(KFileFlashAvr *fd, avr_page_t page) { flash_avr_flush(fd); // Load page - memcpy_P(page_buf, (const char *)(page * SPM_PAGESIZE), SPM_PAGESIZE); + memcpy_P(fd->page_buf, (const char *)(page * SPM_PAGESIZE), SPM_PAGESIZE); fd->curr_page = page; kprintf("Loaded page %d\n", fd->curr_page); } @@ -192,8 +184,8 @@ static size_t flash_avr_write(struct KFile *_fd, const void *_buf, size_t size) flash_avr_loadPage(fd, page); size_t wr_len = MIN(size, SPM_PAGESIZE - page_addr); - memcpy(page_buf + page_addr, buf, wr_len); - fd->page_modified = true; + memcpy(fd->page_buf + page_addr, buf, wr_len); + fd->page_dirty = true; buf += wr_len; fd->fd.seek_pos += wr_len; @@ -212,11 +204,11 @@ static size_t flash_avr_write(struct KFile *_fd, const void *_buf, size_t size) static void flash_avr_open(struct KFileFlashAvr *fd) { fd->curr_page = 0; - memcpy_P(page_buf, (const char *)(fd->curr_page * SPM_PAGESIZE), SPM_PAGESIZE); + memcpy_P(fd->page_buf, (const char *)(fd->curr_page * SPM_PAGESIZE), SPM_PAGESIZE); fd->fd.seek_pos = 0; fd->fd.size = (uint16_t)(FLASHEND - CONFIG_FLASH_AVR_BOOTSIZE + 1); - fd->page_modified = false; + fd->page_dirty = false; kprintf("Flash file opened\n"); }