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usb: gadget: f_sdp: Provide filesize env variable for downloaded images 

Currently it's not possible to get filesize of downloaded images and
it's impossible to automate some tasks in scripts. So this patch adds
`filesize` environment variable with size (as hex number in bytes) of
the last successfully downloaded file via `sdp` command.

Cc: Lukasz Majewski <lukma@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefan Agner <stefan.agner@toradex.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Reviewed-by: Stefan Agner <stefan.agner@toradex.com>
This commit is contained in:
Petr Štetiar 2018-11-23 14:37:52 +01:00 committed by Marek Vasut
parent d117d8f19b
commit bb00a015d6
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/gadget/f_sdp.c
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@ -100,6 +100,7 @@ struct f_sdp {
enum sdp_state state;
enum sdp_state next_state;
u32 dnl_address;
u32 dnl_bytes;
u32 dnl_bytes_remaining;
u32 jmp_address;
bool always_send_status;
@ -276,6 +277,7 @@ static void sdp_rx_command_complete(struct usb_ep *ep, struct usb_request *req)
sdp->state = SDP_STATE_RX_FILE_DATA;
sdp->dnl_address = be32_to_cpu(cmd->addr);
sdp->dnl_bytes_remaining = be32_to_cpu(cmd->cnt);
sdp->dnl_bytes = sdp->dnl_bytes_remaining;
sdp->next_state = SDP_STATE_IDLE;
printf("Downloading file of size %d to 0x%08x... ",
@ -355,6 +357,9 @@ static void sdp_rx_data_complete(struct usb_ep *ep, struct usb_request *req)
if (sdp->dnl_bytes_remaining)
return;
#ifndef CONFIG_SPL_BUILD
env_set_hex("filesize", sdp->dnl_bytes);
#endif
printf("done\n");
switch (sdp->state) {