arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-17 21:22:10 +00:00
Code Issues Releases Wiki Activity

core/embed: Set VCP write timeout to 0.

Browse Source
This commit is contained in:
Andrew Kozlik 2020-07-15 16:49:54 +02:00 committed by Andrew Kozlik
parent 698b632acb
commit 4005f4832f
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
core/embed/firmware/mphalport.c
View File

@ -33,8 +33,9 @@ int mp_hal_stdin_rx_chr(void) {
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
if (vcp_iface_num >= 0) {
int r =
usb_vcp_write_blocking(vcp_iface_num, (const uint8_t *)str, len, 500);
// The write timeout is set to 0, because otherwise when the VCP receive
// buffer on the host gets full, the timeout will block device operation.
int r = usb_vcp_write_blocking(vcp_iface_num, (const uint8_t *)str, len, 0);
(void)r;
}
}