mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-18 20:38:10 +00:00
27 lines
570 B
C
27 lines
570 B
C
#include "py/mphal.h"
|
|
#include "usb.h"
|
|
#include "common.h"
|
|
|
|
static int vcp_iface_num = -1;
|
|
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
|
|
ensure(sectrue * (vcp_iface_num >= 0), "vcp stdio is not configured");
|
|
|
|
uint8_t c = 0;
|
|
usb_vcp_read_blocking(vcp_iface_num, &c, 1, -1);
|
|
return c;
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
|
|
if (vcp_iface_num >= 0) {
|
|
usb_vcp_write_blocking(vcp_iface_num, (const uint8_t *)str, len, 0);
|
|
} else {
|
|
// no-op
|
|
}
|
|
}
|
|
|
|
void mp_hal_set_vcp_iface(int iface_num) {
|
|
vcp_iface_num = iface_num;
|
|
}
|