unsigned char gdb_if_getchar_to(int timeout)
{
platform_timeout_set(timeout);
if (!(out_ptr < count_out)) do {
/* Detach if port closed */
if (!cdcacm_get_dtr())
return 0x04;
gdb_if_update_buf();
} while (!platform_timeout_is_expired() && !(out_ptr < count_out));
if(out_ptr < count_out)
return gdb_if_getchar();
return -1;
}
unsigned char gdb_if_getchar_to(int timeout)
{
fd_set fds;
struct timeval tv;
if(gdb_if_conn == -1) return -1;
tv.tv_sec = timeout / 1000;
tv.tv_usec = (timeout % 1000) * 1000;
FD_ZERO(&fds);
FD_SET(gdb_if_conn, &fds);
if(select(gdb_if_conn+1, &fds, NULL, NULL, &tv) > 0)
return gdb_if_getchar();
return -1;
}
unsigned char gdb_if_getchar_to(int timeout)
{
platform_timeout t;
platform_timeout_set(&t, timeout);
if(head_out == tail_out) do {
/* Detach if port closed */
if(!cdcacm_get_dtr())
return 0x04;
while(cdcacm_get_config() != 1);
} while(!platform_timeout_is_expired(&t) && head_out == tail_out);
if(head_out != tail_out)
return gdb_if_getchar();
return -1;
}
unsigned char gdb_if_getchar_to(int timeout)
{
timeout_counter = timeout/100;
if(!(out_ptr < count_out)) do {
/* Detach if port closed */
if(!cdcacm_get_dtr())
return 0x04;
count_out = usbd_ep_read_packet(usbdev, CDCACM_GDB_ENDPOINT,
buffer_out, CDCACM_PACKET_SIZE);
out_ptr = 0;
} while(timeout_counter && !(out_ptr < count_out));
if(out_ptr < count_out)
return gdb_if_getchar();
return -1;
}
unsigned char gdb_if_getchar_to(int timeout)
{
fd_set fds;
# if defined(__CYGWIN__)
TIMEVAL tv;
#else
struct timeval tv;
#endif
if(gdb_if_conn == -1) return -1;
tv.tv_sec = timeout / 1000;
tv.tv_usec = (timeout % 1000) * 1000;
FD_ZERO(&fds);
FD_SET(gdb_if_conn, &fds);
if(select(gdb_if_conn+1, &fds, NULL, NULL, &tv) > 0)
return gdb_if_getchar();
return -1;
}
unsigned char gdb_if_getchar_to(int timeout)
{
timeout_counter = timeout/100;
if(!(out_ptr < count_out)) do {
/* Detach if port closed */
if(!cdcacm_get_dtr())
return 0x04;
while(cdcacm_get_config() != 1);
if (count_new) {
memcpy(buffer_out, double_buffer_out,count_new);
count_out = count_new;
count_new = 0;
out_ptr = 0;
usbd_ep_nak_set(usbdev, CDCACM_GDB_ENDPOINT, 0);
}
} while(timeout_counter && !(out_ptr < count_out));
if(out_ptr < count_out)
return gdb_if_getchar();
return -1;
}
