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firmware: Drop CEMU_TX_DATA when sim is in-active

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When the emulated sim is in reset or without power, drop
CEMU_TX_DATA.

Change-Id: I796e548225a742cddfde12bd6a60e4d2e5c04c8f
This commit is contained in:
Alexander Couzens
2026-07-11 23:38:15 +02:00
parent 567c03c83f
commit bebed508dd
3 changed files with 20 additions and 0 deletions
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firmware/libcommon/source/mode_cardemu.c
+6
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@@ -736,6 +736,12 @@ static void dispatch_usb_command_cardem(struct msgb *msg, struct cardem_inst *ci
hdr = (struct simtrace_msg_hdr *) msg->l1h;
switch (hdr->msg_type) {
case SIMTRACE_MSGT_DT_CEMU_TX_DATA:
/* drop message when sim is in-active */
if (!card_ready(ci->ch)) {
/* FIXME: enqueue an error message for IN */
usb_buf_free(msg);
return;
}
queue = card_emu_get_uart_tx_queue(ci->ch);
llist_add_tail(&msg->list, queue);
card_emu_have_new_uart_tx(ci->ch);