X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fdataflash.c;h=ac1eeaf551b72bc4de4167dd5920d7cc06a27194;hb=618b81fe6469c2fe2196ccc695ca41ee327220c2;hp=774c880076d0b61941e183363c112daa93b65648;hpb=77f7560887c694977dc03e9c547b1b119e92c70c;p=bertos.git diff --git a/bertos/drv/dataflash.c b/bertos/drv/dataflash.c index 774c8800..ac1eeaf5 100644 --- a/bertos/drv/dataflash.c +++ b/bertos/drv/dataflash.c @@ -30,24 +30,34 @@ * * --> * - * \brief Function library for AT45DBXX Data Flash memory. + * \brief Function library for dataflash AT45DB family (implementation). * * - * \version $Id: dataflash.c 20677 2008-02-19 14:29:52Z batt $ + * \version $Id: dataflash.c 21658 2008-06-05 16:42:54Z asterix $ * \author Daniele Basile * \author Francesco Sacchi */ #include "dataflash.h" +#include "cfg/cfg_dataflash.h" #include #include #include + +// Define logging setting (for cfg/log.h module). +#define LOG_LEVEL DATAFLASH_LOG_LEVEL +#define LOG_FORMAT DATAFLASH_LOG_FORMAT +#include + #include + #include #if CONFIG_KERNEL -#include + #include +#else + #define proc_yield() do {} while(0) #endif #include @@ -81,6 +91,14 @@ static const DataflashInfo mem_info[] = .page_cnt = 4096, .read_cmd = DFO_READ_FLASH_MEM_BYTE_D, }, + { + /* AT45DB642D */ + .density_id = 0x0F, + .page_size = 1056, + .page_bits = 11, + .page_cnt = 8192, + .read_cmd = DFO_READ_FLASH_MEM_BYTE_D, + }, /* Add other memories here */ }; @@ -90,7 +108,7 @@ STATIC_ASSERT(countof(mem_info) == DFT_CNT); * Macro that toggle CS of dataflash. * \note This is equivalent to fd->setCS(false) immediately followed by fd->setCS(true). */ -INLINE void CS_TOGGLE(KFileDataflash *fd) +INLINE void CS_TOGGLE(DataFlash *fd) { fd->setCS(false); fd->setCS(true); @@ -101,7 +119,7 @@ INLINE void CS_TOGGLE(KFileDataflash *fd) * This function send only 4 byte: opcode, page address and * byte address. */ -static void send_cmd(KFileDataflash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode) +static void send_cmd(DataFlash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode) { /* @@ -150,7 +168,7 @@ static void send_cmd(KFileDataflash *fd, dataflash_page_t page_addr, dataflash_o * with one pulse reset long about 10usec. * */ -static void dataflash_reset(KFileDataflash *fd) +static void dataflash_reset(DataFlash *fd) { fd->setCS(false); @@ -167,16 +185,14 @@ static void dataflash_reset(KFileDataflash *fd) /** * Read status register of dataflah memory. */ -static uint8_t dataflash_stat(KFileDataflash *fd) +static uint8_t dataflash_stat(DataFlash *fd) { /* * Make sure to toggle CS signal * and reset dataflash command decoder. */ CS_TOGGLE(fd); - kfile_putc(DFO_READ_STATUS, fd->channel); - return kfile_getc(fd->channel); } @@ -186,7 +202,7 @@ static uint8_t dataflash_stat(KFileDataflash *fd) * return status register value. * */ -static uint8_t dataflash_cmd(KFileDataflash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode) +static uint8_t dataflash_cmd(DataFlash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode) { uint8_t stat; @@ -199,11 +215,7 @@ static uint8_t dataflash_cmd(KFileDataflash *fd, dataflash_page_t page_addr, dat * is high. */ while (!(dataflash_stat(fd) & BUSY_BIT)) - { - #if CONFIG_KERNEL - proc_switch(); - #endif - } + proc_yield(); stat = dataflash_stat(fd); @@ -220,7 +232,7 @@ static uint8_t dataflash_cmd(KFileDataflash *fd, dataflash_page_t page_addr, dat * Read \a len bytes from main data flash memory or buffer data * flash memory, and put it in \a *block. */ -static void dataflash_readBlock(KFileDataflash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode, uint8_t *block, dataflash_size_t len) +static void dataflash_readBlock(DataFlash *fd, dataflash_page_t page_addr, dataflash_offset_t byte_addr, DataFlashOpcode opcode, uint8_t *block, dataflash_size_t len) { send_cmd(fd, page_addr, byte_addr, opcode); @@ -247,7 +259,7 @@ static void dataflash_readBlock(KFileDataflash *fd, dataflash_page_t page_addr, * To perform a write in main memory you must first write in dataflash buffer * memory and then send a command to write the page in main memory. */ -static void dataflash_writeBlock(KFileDataflash *fd, dataflash_offset_t offset, DataFlashOpcode opcode, const uint8_t *block, dataflash_size_t len) +static void dataflash_writeBlock(DataFlash *fd, dataflash_offset_t offset, DataFlashOpcode opcode, const uint8_t *block, dataflash_size_t len) { ASSERT(offset + len <= mem_info[fd->dev].page_size); @@ -263,7 +275,7 @@ static void dataflash_writeBlock(KFileDataflash *fd, dataflash_offset_t offset, /** * Load selct page from dataflash memory to buffer. */ -static void dataflash_loadPage(KFileDataflash *fd, dataflash_page_t page_addr) +static void dataflash_loadPage(DataFlash *fd, dataflash_page_t page_addr) { dataflash_cmd(fd, page_addr, 0x00, DFO_MOV_MEM_TO_BUFF1); } @@ -273,14 +285,14 @@ static void dataflash_loadPage(KFileDataflash *fd, dataflash_page_t page_addr) */ static int dataflash_flush(KFile *_fd) { - KFileDataflash *fd = KFILEDATAFLASH(_fd); + DataFlash *fd = DATAFLASH_CAST(_fd); if (fd->page_dirty) { dataflash_cmd(fd, fd->current_page, 0x00, DFO_WRITE_BUFF1_TO_MEM_E); fd->page_dirty = false; - kprintf("Flushing page <%ld>\n", fd->current_page); + LOG_INFO("Flushing page {%ld}\n", fd->current_page); } return 0; } @@ -293,7 +305,7 @@ static int dataflash_flush(KFile *_fd) static int dataflash_close(struct KFile *_fd) { dataflash_flush(_fd); - TRACE; + LOG_INFO("Close.\n"); return 0; } @@ -302,7 +314,7 @@ static int dataflash_close(struct KFile *_fd) */ static KFile *dataflash_reopen(KFile *_fd) { - KFileDataflash *fd = KFILEDATAFLASH(_fd); + DataFlash *fd = DATAFLASH_CAST(_fd); dataflash_close(_fd); fd->current_page = 0; @@ -311,7 +323,7 @@ static KFile *dataflash_reopen(KFile *_fd) /* Load selected page from dataflash memory */ dataflash_loadPage(fd, fd->current_page); - TRACE; + LOG_INFO("Reopen.\n"); return &fd->fd; } @@ -330,17 +342,17 @@ static KFile *dataflash_reopen(KFile *_fd) */ static size_t dataflash_read(struct KFile *_fd, void *buf, size_t size) { - KFileDataflash *fd = KFILEDATAFLASH(_fd); + DataFlash *fd = DATAFLASH_CAST(_fd); dataflash_offset_t byte_addr; dataflash_page_t page_addr; uint8_t *data = (uint8_t *)buf; - ASSERT(fd->fd.seek_pos + size <= fd->fd.size); - size = MIN((uint32_t)size, fd->fd.size - fd->fd.seek_pos); + ASSERT(fd->fd.seek_pos + size <= (kfile_size_t)fd->fd.size); + size = MIN((kfile_size_t)size, fd->fd.size - fd->fd.seek_pos); - kprintf("Reading at pos[%lu]\n", fd->fd.seek_pos); + LOG_INFO("Reading at pos[%lu]\n", fd->fd.seek_pos); /* * We select page and offest from absolute address. @@ -348,7 +360,7 @@ static size_t dataflash_read(struct KFile *_fd, void *buf, size_t size) page_addr = fd->fd.seek_pos / mem_info[fd->dev].page_size; byte_addr = fd->fd.seek_pos % mem_info[fd->dev].page_size; - kprintf("[page-<%ld>, byte-<%ld>]", page_addr, byte_addr); + LOG_INFO("[page-{%ld}, byte-{%ld}]\n", page_addr, byte_addr); /* * Flush current page in main memory if @@ -362,7 +374,7 @@ static size_t dataflash_read(struct KFile *_fd, void *buf, size_t size) dataflash_readBlock(fd, page_addr, byte_addr, mem_info[fd->dev].read_cmd, data, size); fd->fd.seek_pos += size; - kprintf("Read %ld bytes\n", size); + LOG_INFO("Read %ld bytes\n", size); return size; } @@ -380,7 +392,7 @@ static size_t dataflash_read(struct KFile *_fd, void *buf, size_t size) */ static size_t dataflash_write(struct KFile *_fd, const void *_buf, size_t size) { - KFileDataflash *fd = KFILEDATAFLASH(_fd); + DataFlash *fd = DATAFLASH_CAST(_fd); dataflash_offset_t offset; dataflash_page_t new_page; @@ -388,10 +400,10 @@ static size_t dataflash_write(struct KFile *_fd, const void *_buf, size_t size) const uint8_t *data = (const uint8_t *) _buf; - ASSERT(fd->fd.seek_pos + size <= fd->fd.size); - size = MIN((uint32_t)size, fd->fd.size - fd->fd.seek_pos); + ASSERT(fd->fd.seek_pos + size <= (kfile_off_t)fd->fd.size); + size = MIN((kfile_size_t)size, fd->fd.size - fd->fd.seek_pos); - kprintf("Writing at pos[%lu]\n", fd->fd.seek_pos); + LOG_INFO("Writing at pos[%lu]\n", fd->fd.seek_pos); while (size) { @@ -402,9 +414,9 @@ static size_t dataflash_write(struct KFile *_fd, const void *_buf, size_t size) offset = fd->fd.seek_pos % mem_info[fd->dev].page_size; - size_t wr_len = MIN(size, mem_info[fd->dev].page_size - offset); + size_t wr_len = MIN((dataflash_size_t)size, mem_info[fd->dev].page_size - offset); - kprintf(" [page-<%ld>, byte-<%ld>]",new_page, offset); + LOG_INFO("[page-{%ld}, byte-{%ld}]\n",new_page, offset); if (new_page != fd->current_page) { @@ -414,7 +426,7 @@ static size_t dataflash_write(struct KFile *_fd, const void *_buf, size_t size) dataflash_loadPage(fd, new_page); fd->current_page = new_page; - kprintf(" >> Load page: <%ld> ", new_page); + LOG_INFO(" >> Load page: {%ld}\n", new_page); } /* * Write byte in current page, and set true @@ -429,7 +441,7 @@ static size_t dataflash_write(struct KFile *_fd, const void *_buf, size_t size) total_write += wr_len; } - kprintf("written %lu bytes\n", total_write); + LOG_INFO("written %lu bytes\n", total_write); return total_write; } @@ -444,7 +456,7 @@ MOD_DEFINE(dataflash); * \return true if ok, false if memory density read from dataflash is not compliant with the * configured one. */ -bool dataflash_init(KFileDataflash *fd, KFile *ch, DataflashType dev, dataflash_setCS_t *setCS, dataflash_setReset_t *setReset) +bool dataflash_init(DataFlash *fd, KFile *ch, DataflashType dev, dataflash_setCS_t *setCS, dataflash_setReset_t *setReset) { uint8_t stat; @@ -471,7 +483,6 @@ bool dataflash_init(KFileDataflash *fd, KFile *ch, DataflashType dev, dataflash_ fd->fd.flush = dataflash_flush; dataflash_reset(fd); - stat = dataflash_stat(fd); /*