Communication apparatus
A first communication apparatus may repeat a broadcast transmission of a trigger signal via a second interface, which is a signal to be used by a second communication apparatus as a trigger for sending a wireless connection request to the first communication apparatus. The wireless connection request may be for forming a first wireless network to which both the first communication apparatus and the second communication apparatus belong. The first wireless network may be a network for performing a wireless communication via a first interface The first communication apparatus may receive the wireless connection request via the first interface from the second communication apparatus which has received the trigger signal, and establish a first wireless connection via the first interface with the second communication apparatus so as to form the first wireless network.
1. A printer comprising:
a print performing device;
a Wi-Fi interface configured to perform a wireless communication according to a Wi-Fi scheme;
a Bluetooth interface configured to perform a wireless communication according to a Bluetooth scheme;
a processor; and
a memory that stores computer-readable instructions therein, the computer-readable instructions, when executed by the processor, causing the printer to perform:
establishing a logical link of the Bluetooth scheme with a terminal device after it is determined that first information is identical to second information, the first information being communicated with the terminal device via the Bluetooth interface before the logical link is established, the second information being obtained by the terminal device;
after the logical link is established, sending network information to the terminal device via the Bluetooth interface by using the logical link;
in a case where the terminal device sends a wireless connection request to the printer by using the network information, receiving the wireless connection request via the Wi-Fi interface from the terminal device;
in response to receiving the wireless connection request from the terminal device, establishing a Wi-Fi connection via the Wi-Fi interface with the terminal device so as to form a Wi-Fi network to which both the printer and the terminal device belong, the Wi-Fi network being a network in which the printer is to operate as a parent station;
receiving image data from the terminal device via the Wi-Fi interface by using the Wi-Fi network; and
causing the print performing device to print an image represented by the received image data.
2. The printer as in claim 1 , wherein
the computer-readable instructions, when executed by the processor, cause the printer to further perform:
communicating the first information with the terminal device via the Bluetooth interface by sending the first information via the Bluetooth interface such that the first information is received by the terminal device, and
the establishing of the logical link is performed after it is determined by the terminal device that the first information is identical to the second information.
3. The printer as in claim 2 , wherein
the sending of the first information is performed by sending a signal including the first information via the Bluetooth interface, and
the signal does not include information indicating the terminal device as destination.
4. The printer as in claim 1 , wherein
the network information includes information for identifying the Wi-Fi network in which the printer is to operate as the parent station.
5. The printer as in claim 4 , wherein
the network information includes a service set identifier (SSID) of the Wi-Fi network.
6. The printer as in claim 1 , wherein
the computer-readable instructions, when executed by the processor, cause the printer to further perform:
after the image data was received from the terminal device, receiving a disconnection signal from the terminal device via the Wi-Fi interface by using the Wi-Fi network,
wherein the Wi-Fi connection is disconnected in response to receiving the disconnection signal.
7. The printer as in claim 1 ,
wherein the first information includes information for identifying the printer.
8. The printer as in claim 1 , wherein
the Wi-Fi scheme is a wireless communication scheme based on the Institute of Electrical and Electronics Engineers, Inc. standard 802.11, and standards conforming thereto, and
the Bluetooth scheme is a wireless communication scheme based on the Institute of Electrical and Electronics Engineers, Inc. standard 802.1.5, and standards conforming thereto.
9. A non-transitory computer-readable recording medium storing computer-readable instructions for a terminal device,
the terminal device comprising:
a Wi-Fi interface configured to perform a wireless communication according to a Wi-Fi scheme;
a Bluetooth interface configured to perform a wireless communication according to a Bluetooth scheme; and
a processor,
wherein the computer-readable instructions, when executed by the processor, causing the terminal device to perform:
establishing a logical link of the Bluetooth scheme with a printer after it is determined that first information is identical to second information, the first information being communicated with the printer via the Bluetooth interface before the logical link is established, the second information being obtained by the terminal device not via the Bluetooth interface;
after the logical link is established, receiving network information from the printer via the Bluetooth interface by using the logical link;
sending a wireless connection request to the printer via the Wi-Fi interface by using the received network information;
in response to sending the wireless connection request to the printer, establishing a Wi-Fi connection via the Wi-Fi interface with the printer so as to belong to a Wi-Fi network to which both the printer and the terminal device belong, the Wi-Fi network being a network in which the printer is to operate as a parent station; and
sending image data via the Wi-Fi interface to the printer by using the Wi-Fi network.
10. The non-transitory computer-readable recording medium as in claim 9 ,
wherein the computer-readable instructions, when executed by the processor, further cause the terminal device to perform:
communicating the first information with the printer via the Bluetooth interface by receiving the first information from the printer via the Bluetooth interface, and
the establishing of the logical link is performed after it is determined by the terminal device that the first information is identical to the second information.
11. The non-transitory computer-readable recording medium as in claim 10 , wherein
the receiving of the first information is performed by receiving a signal including the first information from the printer via the Bluetooth interface, and
the signal does not include information indicating the terminal device as destination.
12. The non-transitory computer-readable recording medium as in claim 9 , wherein
the network information includes information for identifying the Wi-Fi network in which the printer is to operate as the parent station.
13. The non-transitory computer-readable recording medium as in claim 12 , wherein
the network information includes a service set identifier (SSID) of the Wi-Fi network.
14. The non-transitory computer-readable recording medium as in claim 9 , wherein
the computer-readable instructions, when executed by the processor, further cause the terminal device to perform:
after the image data was sent to the printer, sending a disconnection signal to the printer via the Wi-Fi interface by using the Wi-Fi network,
wherein the Wi-Fi connection is disconnected in response to sending the disconnection signal.
15. The non-transitory computer-readable recording medium as in claim 9 ,
wherein the first information includes information for identifying the printer.
16. The non-transitory computer-readable recording medium as in claim 9 , wherein
the Wi-Fi scheme is a wireless communication scheme based on the Institute of Electrical and Electronics Engineers, Inc. standard 802.11, and standards conforming thereto, and
the Bluetooth scheme is a wireless communication scheme based on the Institute of Electrical and Electronics Engineers, Inc. standard 802.1.5, and standards conforming thereto.
17. A terminal device comprising:
a Wi-Fi interface configured to perform a wireless communication according to a Wi-Fi scheme;
a Bluetooth interface configured to perform a wireless communication according to a Bluetooth scheme;
a processor, and
a memory that stores computer-readable instructions therein, the computer-readable instructions, when executed by the processor, causing the terminal device to perform:
establishing a logical link of the Bluetooth scheme with a printer after it is determined that first information is identical to second information, the first information being communicated with the printer via the Bluetooth interface before the logical link is established, the second information being obtained by the terminal device not via the Bluetooth interface;
after the logical link is established, receiving network information from the printer via the Bluetooth interface by using the logical link;
sending a wireless connection request to the printer via the Wi-Fi interface by using the received network information;
in response to sending the wireless connection request to the printer, establishing a Wi-Fi connection via the Wi-Fi interface with the printer so as to belong to a Wi-Fi network to which both the printer and the terminal device belong, the Wi-Fi network being a network in which the printer is to operate as a parent station; and
sending image data via the Wi-Fi interface to the printer by using the Wi-Fi network.