diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dfu/dfu.c | 42 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_dfu.c | 48 |
2 files changed, 64 insertions, 26 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index 07011e9..f94c412 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -126,6 +126,28 @@ static int dfu_write_buffer_drain(struct dfu_entity *dfu) return ret; } +int dfu_flush(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num) +{ + int ret = 0; + + if (dfu->flush_medium) + ret = dfu->flush_medium(dfu); + + printf("\nDFU complete CRC32: 0x%08x\n", dfu->crc); + + /* clear everything */ + dfu_free_buf(); + dfu->crc = 0; + dfu->offset = 0; + dfu->i_blk_seq_num = 0; + dfu->i_buf_start = dfu_buf; + dfu->i_buf_end = dfu_buf; + dfu->i_buf = dfu->i_buf_start; + dfu->inited = 0; + + return ret; +} + int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num) { int ret = 0; @@ -196,26 +218,6 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num) ret = tret; } - /* end? */ - if (size == 0) { - /* Now try and flush to the medium if needed. */ - if (dfu->flush_medium) - ret = dfu->flush_medium(dfu); - printf("\nDFU complete CRC32: 0x%08x\n", dfu->crc); - - /* clear everything */ - dfu_free_buf(); - dfu->crc = 0; - dfu->offset = 0; - dfu->i_blk_seq_num = 0; - dfu->i_buf_start = dfu_buf; - dfu->i_buf_end = dfu_buf; - dfu->i_buf = dfu->i_buf_start; - - dfu->inited = 0; - - } - return ret = 0 ? size : ret; } diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c index a045864..de75ff1 100644 --- a/drivers/usb/gadget/f_dfu.c +++ b/drivers/usb/gadget/f_dfu.c @@ -164,9 +164,14 @@ static void dnload_request_complete(struct usb_ep *ep, struct usb_request *req) dfu_write(dfu_get_entity(f_dfu->altsetting), req->buf, req->length, f_dfu->blk_seq_num); +} - if (req->length == 0) - puts("DOWNLOAD ... OK\nCtrl+C to exit ...\n"); +static void dnload_request_flush(struct usb_ep *ep, struct usb_request *req) +{ + struct f_dfu *f_dfu = req->context; + + dfu_flush(dfu_get_entity(f_dfu->altsetting), req->buf, + req->length, f_dfu->blk_seq_num); } static void handle_getstatus(struct usb_request *req) @@ -174,19 +179,22 @@ static void handle_getstatus(struct usb_request *req) struct dfu_status *dstat = (struct dfu_status *)req->buf; struct f_dfu *f_dfu = req->context; + dfu_set_poll_timeout(dstat, 0); + switch (f_dfu->dfu_state) { case DFU_STATE_dfuDNLOAD_SYNC: case DFU_STATE_dfuDNBUSY: f_dfu->dfu_state = DFU_STATE_dfuDNLOAD_IDLE; break; case DFU_STATE_dfuMANIFEST_SYNC: + f_dfu->dfu_state = DFU_STATE_dfuMANIFEST; break; + case DFU_STATE_dfuMANIFEST: + dfu_set_poll_timeout(dstat, DFU_MANIFEST_POLL_TIMEOUT); default: break; } - dfu_set_poll_timeout(dstat, 0); - if (f_dfu->poll_timeout) if (!(f_dfu->blk_seq_num % (dfu_get_buf_size() / DFU_USB_BUFSIZ))) @@ -446,10 +454,11 @@ static int state_dfu_manifest_sync(struct f_dfu *f_dfu, switch (ctrl->bRequest) { case USB_REQ_DFU_GETSTATUS: /* We're MainfestationTolerant */ - f_dfu->dfu_state = DFU_STATE_dfuIDLE; + f_dfu->dfu_state = DFU_STATE_dfuMANIFEST; handle_getstatus(req); f_dfu->blk_seq_num = 0; value = RET_STAT_LEN; + req->complete = dnload_request_flush; break; case USB_REQ_DFU_GETSTATE: handle_getstate(req); @@ -463,6 +472,33 @@ static int state_dfu_manifest_sync(struct f_dfu *f_dfu, return value; } +static int state_dfu_manifest(struct f_dfu *f_dfu, + const struct usb_ctrlrequest *ctrl, + struct usb_gadget *gadget, + struct usb_request *req) +{ + int value = 0; + + switch (ctrl->bRequest) { + case USB_REQ_DFU_GETSTATUS: + /* We're MainfestationTolerant */ + f_dfu->dfu_state = DFU_STATE_dfuIDLE; + handle_getstatus(req); + f_dfu->blk_seq_num = 0; + value = RET_STAT_LEN; + puts("DOWNLOAD ... OK\nCtrl+C to exit ...\n"); + break; + case USB_REQ_DFU_GETSTATE: + handle_getstate(req); + break; + default: + f_dfu->dfu_state = DFU_STATE_dfuERROR; + value = RET_STALL; + break; + } + return value; +} + static int state_dfu_upload_idle(struct f_dfu *f_dfu, const struct usb_ctrlrequest *ctrl, struct usb_gadget *gadget, @@ -539,7 +575,7 @@ static dfu_state_fn dfu_state[] = { state_dfu_dnbusy, /* DFU_STATE_dfuDNBUSY */ state_dfu_dnload_idle, /* DFU_STATE_dfuDNLOAD_IDLE */ state_dfu_manifest_sync, /* DFU_STATE_dfuMANIFEST_SYNC */ - NULL, /* DFU_STATE_dfuMANIFEST */ + state_dfu_manifest, /* DFU_STATE_dfuMANIFEST */ NULL, /* DFU_STATE_dfuMANIFEST_WAIT_RST */ state_dfu_upload_idle, /* DFU_STATE_dfuUPLOAD_IDLE */ state_dfu_error /* DFU_STATE_dfuERROR */ |