static void test_read_without_media(void)
{
uint8_t ret;
ret = send_read_command(CMD_READ);
g_assert(ret == 0);
}
static void test_verify(void)
{
uint8_t ret;
ret = send_read_command(CMD_VERIFY);
g_assert(ret == 0);
}
/* send a read command and try get the answer, if something fails, it retries (5 times max)
if it is on the 4th or 5th retry, it will flush the serial before sending commands
it returns the length of the received answer or -1 in case of failure */
int command_read_sequence(unsigned char command, unsigned char *data) {
int bytes_read = 0;
int retry = 0;
while ((bytes_read < 1) && (retry < 5)) {
send_read_command(command);
bytes_read = get_answer(data);
if (retry > 2) ser_flush_in(upsfd, "", 0);
retry += 1;
}
if ((data[0] != command) || (retry == 5)) {
ser_comm_fail("Error executing command %d\n", command);
dstate_datastale();
return -1;
}
ser_comm_good();
return bytes_read;
}
