复位模块

case RIL_REQUEST_RESET_RADIO:
LOGD("got request RIL_REQUEST_RESET_RADIO");
#ifdef MODEM_RESET
int type = ((int *)data)[0];
LOGD("======Reset type = %d, data[0]=%d========", type, ((int *)data)[0]);
ATReset(type);
#endif
RIL_onRequestComplete(t, RIL_E_SUCCESS, NULL, 0);
break;

/* Called on command or reader thread *
*   AT reset function:
*   resetType: 0 means normal reset
*                    1 means reset when AP sleep, this time just need colse tty nodes ,
*                         and reopen them, and kernel has created noded success.
*/
static void ATReset(int resetType)
{
int fd = -1;
ssize_t written;
static int reset_num = 0;
static int sleep_reset_num = 0;

s_resetType = resetType;

if(resetType == 0){
reset_num++;
LOGI("AT channel normal reset , s_resetting=%d, reset_num=%d\n", s_resetting, reset_num);

if(s_closed == 1){
LOGI("AT channel reset, but the ttynode is colsed, so nothing need to do\n");
return;
}

s_resetting = 1;

pthread_mutex_lock(&s_reset_mutex);
pthread_cond_wait(&s_reset_cond, &s_reset_mutex);
pthread_mutex_unlock(&s_reset_mutex);

//may be need wait 2s
modem_PowerOn();

s_resetting = 0;

pthread_mutex_lock(&s_state_mutex);
pthread_cond_broadcast (&s_state_cond);
pthread_mutex_unlock(&s_state_mutex);
LOGI("*****completed reset operation,start to open tty node\n");
write2Kernel("*****completed reset operation,start to open tty node\n");

}else if(resetType == 1){
sleep_reset_num++;
LOGI("AT channel AP sleep reset, s_resetting=%d, sleep_reset_num=%d\n", s_resetting, sleep_reset_num);
RIL_requestTimedCallback(initializeCallback, NULL, &TIMEVAL_0);
}

return;

}