ensure usb_msg_hdr contains raw message length
we want to ensure that the length of every (current or future) message
can be determined by looking at cardemu_usb_msg_hdr.msg_len, rather than
having a length that is relative to the respective specific command.
diff --git a/firmware/src_simtrace/mode_cardemu.c b/firmware/src_simtrace/mode_cardemu.c
index a26abe7..3651752 100644
--- a/firmware/src_simtrace/mode_cardemu.c
+++ b/firmware/src_simtrace/mode_cardemu.c
@@ -305,7 +305,7 @@
break;
case CEMU_USB_MSGT_DT_SET_ATR:
atr = (struct cardemu_usb_msg_set_atr *) hdr;
- card_emu_set_atr(ci->ch, atr->atr, hdr->data_len);
+ card_emu_set_atr(ci->ch, atr->atr, atr->atr_len);
req_ctx_put(rctx);
break;
case CEMU_USB_MSGT_DT_CARDINSERT: