Method and apparatus for channel switching in interactive smartboard

An apparatus for channel switching in an interactive smartboard, wherein the smartboard comprises at least two channels for receiving signals, a first channel of the at least two channels receiving a first signal generated by a first system, a second channel of the at least two channels receiving a second signal generated by a second system that is coupled to the first system through a microcontroller, and the smartboard displays different contents while in different channels, comprising:

• a switching request receiving module to receive a channel switching request to switch from the first channel associated with the first system to the second channel associated with the second system;
• a state detecting module to detect whether a state of the second system associated with the second channel is a sleep state or a work state;
• and
• a switching module to responsive to detecting that the state of the second system is the sleep state, according to the channel switching request,
• switch a touch receiving service to the second system and switch a current display from the first channel to the second channel, and
• while the touch receiving service to the second system and the current display from the first channel to the second channel are being switched, wake up the second system to ensure the second channel working properly after switching the current display from the first channel to the second channel;
• and
• responsive to detecting that the state of the second system is the work state, according to the channel switching request, without a process to wake up from the sleep state, switch the touch receiving service to the second system and switching the current display from the first channel to the second channel.

A computing device for channel switching in an interactive smartboard, wherein the smartboard comprises at least two channels for receiving signals, a first channel of the at least two channels receiving a first signal generated by a first system, a second channel of the at least two channels receiving a second signal generated by a second system that is coupled to the first system through a microcontroller, and the smartboard displays different contents while in different channels, the computing device comprising:

• a computer readable storage medium, a display screen with a touch function, and one or more processors, wherein the computer readable storage medium is configured to store at least one instruction, and the at least one instruction, when executed by the one or more processors, causes the computing device to:
• receive a channel switching request to switch from the first channel associated with the first system to the second channel associated with the second system;
• detect whether a state of the second system associated with the second channel is a sleep state or a work state;
• and
• responsive to detecting that the state of the second system is the sleep state, according to the channel switching request,
• switch a touch receiving service to the second system and switch a current display from the first channel to the second channel, and
• while the touch receiving service to the second system and the current display from the first channel to the second channel are being switched, wake up the second system to ensure the second channel working properly after switching the current display from the first channel to the second channel;
• and
• responsive to detecting that the state of the second system is the work state, according to the channel switching request, without a process to wake up from the sleep state, switch the touch receiving service to the second system and switching the current display from the first channel to the second channel.