static int at_init(uart_dev_t *u, const char *recv_delimiter,
const char *send_delimiter, int timeout)
{
if (!u || !recv_delimiter || !send_delimiter || (timeout < 0)) {
LOGE(MODULE_NAME, "%s: invalid argument", __func__);
return -1;
}
if (at_init_uart(u) != 0) return -1;
at_set_timeout(timeout);
at_set_recv_delimiter(recv_delimiter);
at_set_send_delimiter(send_delimiter);
if (at._mode == ASYN) {
at_init_mutex();
slist_init(&at.task_l);
aos_task_new("at_worker", at_worker, NULL, 4096);
}
return 0;
}
static int at_init(const char *recv_prefix, const char *recv_success_postfix,
const char *recv_fail_postfix, const char *send_delimiter,
int timeout)
{
if (!recv_prefix || !recv_success_postfix || !recv_fail_postfix ||
!send_delimiter || (timeout < 0)) {
LOGE(MODULE_NAME, "%s: invalid argument", __func__);
return -1;
}
if (inited == 1) {
LOGI(MODULE_NAME, "have already inited ,it will init again\r\n");
inited = 0;
}
if (at_init_uart() != 0) {
LOGE(MODULE_NAME, "at uart init fail \r\n");
return -1;
}
memset(at._oobs, 0, sizeof(oob_t) * OOB_MAX);
at_set_timeout(timeout);
at_set_recv_delimiter(recv_prefix, recv_success_postfix, recv_fail_postfix);
at_set_send_delimiter(send_delimiter);
LOGD(MODULE_NAME,
"at worker rcv prefix is %s success postfix is %s fail postfix is %s "
"\r\n",
recv_prefix, recv_success_postfix, recv_fail_postfix);
if (at_init_at_mutex() != 0) {
LOGE(MODULE_NAME, "at uart mutex init fail \r\n");
return -1;
}
if (at_init_task_mutex() != 0) {
at_uinit_at_mutex();
LOGE(MODULE_NAME, "at mutex init fail \r\n");
return -1;
}
slist_init(&at.task_l);
if (at_worker_uart_send_mutex_init() != 0) {
at_uinit_at_mutex();
at_uinit_task_mutex();
LOGE(MODULE_NAME, "fail to creat at worker sem\r\n");
}
if (aos_task_new("at_worker", at_worker, NULL, at_worker_stacksize)) {
at_uinit_at_mutex();
at_uinit_task_mutex();
at_worker_uart_send_mutex_uinit();
LOGE(MODULE_NAME, "fail to creat at task\r\n");
return -1;
}
inited = 1;
return 0;
}
