int mc703_check_device_file(char *dev_name)
{
int fd, len, ret;
char *cmd;
char buf[256];
snprintf(buf, 256, "%s%s", DEV_DIR, dev_name);
if ((fd = serial_open_port(buf, 1)) < 0)
return 0;
ret = 0;
cmd = "AT+CGMM\r";
bzero(buf, sizeof(buf));
write(fd, cmd, strlen(cmd));
usleep(200000);
len = read(fd, buf, 256);
buf[len] = 0x00;
if (strstr(buf, "MC703")) {
// dm_log(NULL, "%s", buf);
ret = 1;
}
close(fd);
return ret;
}
size_t serial_transaction(uint8_t *tx, uint8_t *rx, uint16_t msg_size,
uint16_t resp_size) {
int n, m_tries;
size_t m_size;
uint8_t *ptr;
if (serial_open_port() == -1) {
serial_close_port();
return 0;
}
n = -1;
m_tries = TRIES;
#ifdef TIME_FRAME
usleep(TIME_FRAME);
#endif
tcflush(fd, TCIFLUSH);
if (write(fd, tx, msg_size) == -1)
return -1;
ptr = NULL;
m_size = 0;
while ((m_size != resp_size) && ((m_tries--) > 0)) {
usleep(100);
n = read(fd, rx, resp_size);
if (n != -1 && n > 0) {
m_size += n;
ptr = (uint8_t *) realloc(ptr, m_size * sizeof(uint8_t));
if (ptr == NULL) {
free(ptr);
return -1;
}
u8_strcpy(ptr, rx, n, (m_size - n));
}
}
serial_close_port();
if (m_size > 0)
u8_strcpy(rx, ptr, m_size, 0);
free(ptr);
if (n == -1) {
return -1;
}
return m_size;
}
int sniff(char *porta) {
int fd, r;
radio_data_t radio_d;
fd = serial_open_port(porta);
if (fd == -1) {
fprintf(stderr, "Porta nao encontrada: %s\n", porta);
return -1;
}
if (discover_radio(fd, &radio_d) != BINVPS) {
RF1276_parse_radio(radio_d);
r = RF1276_get_radio_rssi(fd);
printf("Rssi: %d\n", r);
}
serial_close(fd);
return 0;
}
int _ads321_init_port(char *port)
{
if (_fd)
return _fd;
return serial_open_port(port, ADS321_BAUD_RATE, ADS321_CRC_MODE);
}
