add: 添加sfd_onchip,为片上flash读写和ota做准备

components/sfd/luat_sfd_onchip.c

@@ -0,0 +1,125 @@
+
+#include "luat_base.h"
+
+#include "luat_sfd.h"
+#include "luat_malloc.h"
+
+#include "lfs.h"
+
+#ifdef LUAT_SFD_ONCHIP
+#if LUAT_SFD_ONCHIP
+
+int sfd_onchip_init (void* userdata);
+int sfd_onchip_status (void* userdata);
+int sfd_onchip_read (void* userdata, char* buff, size_t offset, size_t len);
+int sfd_onchip_write (void* userdata, const char* buff, size_t offset, size_t len);
+int sfd_onchip_erase (void* userdata, size_t offset, size_t len);
+int sfd_onchip_ioctl (void* userdata, size_t cmd, void* buff);
+
+const sdf_opts_t sfd_onchip_opts = {
+    .initialize = sfd_onchip_init,
+    .status = sfd_onchip_status,
+    .read = sfd_onchip_read,
+    .write = sfd_onchip_write,
+    .erase = sfd_onchip_erase,
+    .ioctl = sfd_onchip_ioctl,
+};
+
+
+
+#include "lfs.h"
+#define LFS_BLOCK_SIZE (4096)
+#define LFS_BLOCK_DEVICE_READ_SIZE (256)
+#define LFS_BLOCK_DEVICE_PROG_SIZE (256)
+#define LFS_BLOCK_DEVICE_CACHE_SIZE (256)
+#define LFS_BLOCK_DEVICE_ERASE_SIZE (4096) // one sector 4KB
+//#define LFS_BLOCK_DEVICE_TOTOAL_SIZE (FLASH_FS_REGION_SIZE)
+#define LFS_BLOCK_DEVICE_LOOK_AHEAD (16)
+
+// Read a block
+static int block_device_read(const struct lfs_config *cfg, lfs_block_t block, lfs_off_t off, void *buffer, lfs_size_t size) {
+    sfd_onchip_t* onchip = (sfd_onchip_t*)cfg->context;
+    sfd_onchip_read(onchip, buffer, block * LFS_BLOCK_SIZE + off, size);
+    return LFS_ERR_OK;
+}
+
+static int block_device_prog(const struct lfs_config *cfg, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size) {
+    sfd_onchip_t* onchip = (sfd_onchip_t*)cfg->context;
+    sfd_onchip_write(onchip, buffer, block * LFS_BLOCK_SIZE + off, size);
+    return LFS_ERR_OK;
+}
+
+static int block_device_erase(const struct lfs_config *cfg, lfs_block_t block) {
+    sfd_onchip_t* onchip = (sfd_onchip_t*)cfg->context;
+    sfd_onchip_erase(onchip, block * LFS_BLOCK_SIZE, LFS_BLOCK_SIZE);
+    return LFS_ERR_OK;
+}
+
+static int block_device_sync(const struct lfs_config *cfg) {
+    sfd_onchip_t* onchip = (sfd_onchip_t*)cfg->context;
+    sfd_onchip_ioctl(onchip, 0x05, NULL);
+    return LFS_ERR_OK;
+}
+
+typedef struct LFS2 {
+    lfs_t lfs;
+    struct lfs_config cfg;
+    uint8_t read_buffer[LFS_BLOCK_DEVICE_READ_SIZE];
+    uint8_t prog_buffer[LFS_BLOCK_DEVICE_PROG_SIZE];
+    uint8_t lookahead_buffer[LFS_BLOCK_DEVICE_LOOK_AHEAD];
+}LFS2_t;
+
+
+lfs_t* onchip_lfs_sfd(sfd_onchip_t* onchip) {
+    LFS2_t *_lfs = luat_heap_malloc(sizeof(LFS2_t));
+    if (_lfs == NULL)
+        return NULL;
+    lfs_t *lfs = &_lfs->lfs;
+    struct lfs_config *lfs_cfg = &_lfs->cfg;
+
+    lfs_cfg->context = onchip,
+    // block device operations
+    lfs_cfg->read = block_device_read;
+    lfs_cfg->prog = block_device_prog;
+    lfs_cfg->erase = block_device_erase;
+    lfs_cfg->sync = block_device_sync;
+
+    // block device configuration
+    lfs_cfg->read_size = LFS_BLOCK_DEVICE_READ_SIZE;
+    lfs_cfg->prog_size = LFS_BLOCK_DEVICE_PROG_SIZE;
+    lfs_cfg->block_size = LFS_BLOCK_SIZE;
+    lfs_cfg->block_count = onchip->block_count;
+    lfs_cfg->block_cycles = 200;
+    lfs_cfg->cache_size = LFS_BLOCK_DEVICE_CACHE_SIZE;
+    lfs_cfg->lookahead_size = LFS_BLOCK_DEVICE_LOOK_AHEAD;
+
+    lfs_cfg->read_buffer = _lfs->read_buffer;
+    lfs_cfg->prog_buffer = _lfs->prog_buffer;
+    lfs_cfg->lookahead_buffer = _lfs->lookahead_buffer;
+    lfs_cfg->name_max = 63;
+    lfs_cfg->file_max = 0;
+    lfs_cfg->attr_max = 0;
+
+    // ------
+    int err = lfs_mount(&lfs, &lfs_cfg);
+    LLOGD("lfs_mount %d",err);
+    if (err)
+    {
+        err = lfs_format(&lfs, &lfs_cfg);
+        LLOGD("lfs_format %d",err);
+        if(err)
+            goto fail;
+        err = lfs_mount(&lfs, &lfs_cfg);
+        LLOGD("lfs_mount %d",err);
+        if(err)
+            goto fail;
+    }
+    return lfs;
+fail :
+    luat_heap_free(_lfs);
+    return NULL;
+    //------
+}
+
+#endif
+#endif

luat/include/luat_sfd.h

@@ -29,3 +29,11 @@ typedef struct sfd_drv {
     size_t erase_size;
     char chip_id[8];
 } sfd_drv_t;
+
+typedef struct sfd_onchip {
+    char name[8];
+    size_t addr;
+    size_t block_count;
+    size_t block_size;
+    //const sdf_opts_t* opts;
+}sfd_onchip_t;