// method socket.setblocking(flag)
STATIC mp_obj_t socket_setblocking(mp_obj_t self_in, mp_obj_t blocking) {
if (mp_obj_is_true(blocking)) {
return socket_settimeout(self_in, mp_const_none);
} else {
return socket_settimeout(self_in, MP_OBJ_NEW_SMALL_INT(0));
}
}
sys_result comm_receive(modem_socket_t * socket)
{
sys_result result;
if(socket->state_handle.state == COMM_RECEIVE_RX) {
if(socket->state_handle.substate == COMM_RECEIVE_INVOKE) {
#ifdef LOG_COMMRECEIVE
printf("socket(%d) receive...\r\n", socket->socket_id);
#endif
// prepare the socket receive buffer
memset(socket->rx_buffer, '\0', SOCKET_BUFFER_LEN+1);
socket->bytes_received = 0;
socket_entersubstate(socket, COMM_RECEIVE_WAITREPLY);
socket_settimeout(socket, DEFAULT_COMM_SOCKETRECEIVE_TIMEOUT);
result = SYS_OK;
} else if(socket->state_handle.substate == COMM_RECEIVE_WAITREPLY) {
// if we receive bytes we need to copy the data and signal the
// function to return
// if(socket->bytes_received > 0) {
// socket->event_handler->on_datareceive(socket->rx_buffer, socket->bytes_received);
// memset(socket->rx_buffer, '\0', SOCKET_BUFFER_LEN+1);
// xSemaphoreGive(tcp_receive_signal);
// }
// wait up to n seconds.
if(socket_timeout(socket)) {
socket->socket_error = SCK_ERR_TIMEOUT;
#ifdef LOG_COMMRECEIVE
printf("socket(%d) receive timeout\r\n", socket->socket_id);
#endif
// TODO: review for proper transition after receive
comm_enterstate(socket, COMM_IDLE);
socket_exitstate(socket);
xSemaphoreGive(tcp_receive_signal);
result = SYS_OK;
}
// // if we receive bytes we need to copy the data and signal the
// // function to return
if(socket->bytes_received > 0) {
socket->event_handler->on_datareceive(socket->rx_buffer, socket->bytes_received);
memset(socket->rx_buffer, '\0', SOCKET_BUFFER_LEN+1);
xSemaphoreGive(tcp_receive_signal);
}
result = SYS_OK;
}
}
return result;
}
sys_result comm_close(modem_socket_t * socket)
{
sys_result result;
if(socket->state_handle.state == COMM_CLOSE_CONNECTION) {
if(socket->state_handle.substate == COMM_CLOSE_INVOKE) {
printf("socket(%d) close...\r\n", socket->socket_id);
modem_socketclose(socket);
socket_entersubstate(socket, COMM_CLOSE_WAITREPLY);
socket_settimeout(socket, DEFAULT_COMM_SOCKETCLOSE_TIMEOUT);
result = SYS_OK;
} else if(socket->state_handle.substate == COMM_CLOSE_WAITREPLY) {
if(socket_timeout(socket)) {
printf("socket(%d) close timeout.\r\n", socket->socket_id);
comm_enterstate(socket, COMM_IDLE);
socket_exitstate(socket);
xSemaphoreGive(tcp_close_signal);
}
result = modem_handle_socketclose(socket);
if(result == SYS_AT_OK) {
socket->socket_status = SCK_CLOSED;
comm_enterstate(socket, COMM_IDLE);
socket_exitstate(socket);
xSemaphoreGive(tcp_close_signal);
} else if (result == SYS_ERR_AT_NOCARRIER) {
comm_enterstate(socket, COMM_IDLE);
socket_exitstate(socket);
xSemaphoreGive(tcp_close_signal);
}else if (result == SYS_ERR_AT_TIMEOUT) {
comm_enterstate(socket, COMM_IDLE);
socket_exitstate(socket);
xSemaphoreGive(tcp_close_signal);
}
}
return result;
}
return result;
}
sys_result comm_idle(modem_socket_t * socket)
{
sys_result result;
if(socket->state_handle.state == COMM_IDLE_SETTIMEOUT) {
printf("socket(%d) idle.\r\n", socket->socket_id);
printf("wait %d sec.\r\n", DEFAULT_COMM_IDLE_TIMEOUT/1000);
socket_enterstate(socket, COMM_IDLE_WAITTIMEOUT);
socket_settimeout(socket, DEFAULT_COMM_IDLE_TIMEOUT);
result = SYS_OK;
} else if(socket->state_handle.state == COMM_IDLE_WAITTIMEOUT) {
if(socket_timeout(socket)) {
socket_enterstate(socket, COMM_IDLE_SETTIMEOUT);
result = SYS_OK;
}
}
return result;
}
