CN105680974B - A kind of bluetooth clock control method, system and mobile terminal - Google Patents

Abstract

The invention discloses a bluetooth clock control method, system and mobile terminal. The method comprises: when the user turns on the bluetooth, the main controller of the mobile terminal sends a configuration instruction to the bluetooth chip through a data communication interface; the bluetooth chip receives the configuration instruction Instructions, control the Bluetooth chip to send a clock request signal or a clock shutdown signal to the main controller in the form of data; when the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface, the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller If the device obtains the clock off signal sent by the Bluetooth chip from the data communication interface, the main controller stops outputting the Bluetooth clock to the Bluetooth chip. The present invention can send configuration data to the bluetooth chip through the main controller, receive the clock request and shutdown signal of the bluetooth chip, thereby controlling the bluetooth chip to enable the bluetooth clock when working, and disable the bluetooth clock when the bluetooth is not working, so as to save movement terminal power.

Description

A bluetooth clock control method, system and mobile terminal

technical field

The present invention relates to the technical field of mobile terminal applications, in particular to a bluetooth clock control method, system and mobile terminal.

Background technique

At present, Bluetooth (abbreviated as BT) is the standard peripheral equipment of mobile terminals, and the Bluetooth chip is connected with the main control chip of the mobile terminal; the Bluetooth chip needs an external clock input (hereinafter referred to as the Bluetooth clock) when it is working; in the prior art, there are The following technical solutions to control the bluetooth clock:

When the user turns on the Bluetooth, the main control chip of the mobile terminal controls the Bluetooth clock to turn on; when the user turns off the Bluetooth, the main control chip controls the Bluetooth clock to turn off; the disadvantage of this solution is that as long as the user turns on the Bluetooth, the main control chip always Output Bluetooth clock; when the user turns on Bluetooth, the Bluetooth chip is not working in most cases, so in most cases when the main control chip outputs the Bluetooth clock, the Bluetooth chip is not working; and the main control chip needs to consume power when outputting the Bluetooth clock, so , the above technical solution wastes the power of the mobile terminal.

Therefore, the prior art still needs to be improved and developed.

Contents of the invention

In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a Bluetooth clock control method, system and mobile terminal, through which the main controller sends configuration data to the Bluetooth chip, and receives the clock request and shutdown signal of the Bluetooth chip, thereby controlling the Bluetooth clock. The chip enables the bluetooth clock when it is working, and disables the bluetooth clock when the bluetooth is not working, so as to save the power of the mobile terminal.

Technical scheme of the present invention is as follows:

A bluetooth clock control method, wherein, comprising:

A. When the user turns on the Bluetooth, the main controller of the mobile terminal sends a configuration command to the Bluetooth chip through the data communication interface;

B. The bluetooth chip receives configuration instructions, and controls the bluetooth chip to send a clock request signal or a clock shutdown signal to the main controller in the form of data;

C. When the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface, the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller obtains the clock off signal sent by the Bluetooth chip from the data communication interface, the main controller stops Output the bluetooth clock to the bluetooth chip.

The bluetooth clock control method, wherein, the configuration instruction in the step A is: when the bluetooth is working, control the bluetooth chip to send a clock request signal to the main controller in the form of data; when the bluetooth is not working, control the bluetooth chip Sends a clock off signal to the host controller as data.

The Bluetooth clock control method, wherein the clock request signal and the clock off signal are data defined by the Bluetooth chip manufacturer.

The present invention also provides a bluetooth clock control system, comprising a main controller and a bluetooth chip, the main controller is connected to the bluetooth chip, wherein the main controller includes a bluetooth clock line for providing a clock signal for the bluetooth chip, And a data communication interface for data transmission between the main controller and the Bluetooth chip; the main controller and the Bluetooth chip are connected through a number of data communication lines for data transmission;

Wherein, the main controller also includes:

The configuration module is used for sending configuration instructions to the Bluetooth chip by the main controller of the mobile terminal through the data communication interface when the user turns on the Bluetooth;

A clock signal sending module, used for the bluetooth chip to receive configuration instructions, and control the bluetooth chip to send a clock request signal or a clock off signal to the main controller in the form of data;

The clock control module is used to output the bluetooth clock to the bluetooth chip when the main controller obtains the clock request signal sent by the bluetooth chip from the data communication interface; when the main controller obtains the clock off signal sent by the bluetooth chip from the data communication interface, then The main controller stops outputting the bluetooth clock to the bluetooth chip.

The bluetooth clock control system, wherein, the configuration command in the configuration module is: when the bluetooth is working, control the bluetooth chip to send a clock request signal to the main controller in the form of data; when the bluetooth is not working, control the bluetooth chip The clock off signal is sent to the main controller in the form of data; the clock request signal and the clock off signal are data defined by the Bluetooth chip manufacturer.

In the Bluetooth clock control system, the data communication interface of the main controller includes a data receiving pin and a data sending pin; the main controller also includes a GPIO interface and a clock output pin.

The bluetooth clock control system, wherein the bluetooth chip includes a data receiving pin and a data sending pin; the bluetooth chip also includes a clock request pin and a clock input pin; the GPIO interface is connected to the clock request pin, the clock input pin is connected to the clock output pin.

The present invention also provides a mobile terminal, which includes the Bluetooth clock control system as described above.

The bluetooth clock control method, system and mobile terminal provided by the present invention send configuration instruction data to the bluetooth chip through the main controller: when the bluetooth is working, control the bluetooth chip to send a clock request signal to the main controller in the form of data; When working, the control bluetooth chip sends a clock off signal to the main controller in the form of data. The main controller receives the clock request and shutdown signal of the Bluetooth chip, so as to control the Bluetooth chip to enable the Bluetooth clock when it is working, and disable the Bluetooth clock when the Bluetooth is not working, so as to dynamically control whether the main controller is active or not according to the clock request signal of the Bluetooth chip. The clock is output to the bluetooth chip to save the power of the mobile terminal and reduce the power consumption of the system.

Description of drawings

FIG. 1 is a flowchart of a Bluetooth clock control method provided by an embodiment of the present invention.

FIG. 2 is a schematic diagram of a mobile terminal in a Bluetooth clock control system provided by an embodiment of the present invention.

Fig. 3 is a structural block diagram of the main controller in the Bluetooth clock control system provided by the embodiment of the present invention.

Fig. 4 is a structural block diagram of a Bluetooth clock control system provided by an embodiment of the present invention.

Detailed ways

The present invention provides a bluetooth clock control method, system and mobile terminal. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to FIG. 1 , which is a flowchart of a Bluetooth clock control method provided by an embodiment of the present invention. The bluetooth clock control method shown in Figure 1 includes:

S100. When the user turns on the Bluetooth, the main controller of the mobile terminal sends a configuration command to the Bluetooth chip through the data communication interface;

In daily life, when a user uses an electronic device to turn on the Bluetooth function, the Bluetooth function can be used for device connection, file transfer, data sharing and other purposes. However, when the Bluetooth function is turned on, it may not be used, or it is in an idle state after data transmission is completed, that is, the Bluetooth function does not work. At this time, the bluetooth is still on, so in the prior art, the main control chip still outputs the bluetooth clock, which causes the mobile device to waste power.

In the embodiment of the present invention, the mobile terminal may be an electronic device such as a mobile phone, a tablet, or a notebook computer. When the user turns on the Bluetooth, the main controller of the mobile terminal sends a configuration command to the Bluetooth chip through the data communication interface. Moreover, the configuration instruction is: when the Bluetooth is working, control the Bluetooth chip to send a clock request signal to the main controller in the form of data, and when the Bluetooth is not working, control the Bluetooth chip to send a clock off signal to the main controller in the form of data. The clock request signal is used to request the main controller to output the bluetooth clock to the bluetooth chip, and the clock off signal is used to request the main controller to turn off or stop the bluetooth clock, wherein the clock request signal and the clock off signal are bluetooth chip manufacturers defined data.

S200. The Bluetooth chip receives a configuration instruction, and controls the Bluetooth chip to send a clock request signal or a clock shutdown signal to the main controller in the form of data;

In the embodiment of the present invention, when the bluetooth chip in the mobile terminal receives the configuration command of the main controller, it detects whether the bluetooth is in the working state, and when it detects that the bluetooth is working, the bluetooth chip is controlled to send a clock request signal to the main controller in the form of data , when it is detected that the Bluetooth is not working, the control Bluetooth chip sends a clock shutdown signal to the main controller in the form of data.

S300. When the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface, the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller obtains the clock off signal sent by the Bluetooth chip from the data communication interface, the main controller stops Output the bluetooth clock to the bluetooth chip.

In the embodiment of the present invention, when the main controller in the mobile terminal obtains the clock request signal sent by the Bluetooth chip from the data communication interface, the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface Clock off signal, then the main controller stops outputting the bluetooth clock to the bluetooth chip. The present invention controls whether the main controller outputs the clock to the bluetooth chip through the clock request signal or the clock off signal received by the main controller, realizes the dynamic control of the output of the main controller clock signal, and prevents the main controller from continuously providing the bluetooth chip with clock signal, reducing system power consumption.

When the present invention is specifically implemented, a bluetooth clock control system is also provided correspondingly, please refer to FIG. 2 and FIG. The chip 20 is connected by several data communication lines L2 for data transmission. The main controller 10 includes a bluetooth clock line L1 for providing a clock signal for the bluetooth chip, and a connection between the main controller 10 and the bluetooth chip 20. Data communication interface for data transmission between.

Wherein, the main controller 10 also includes:

The configuration module 300 is configured to send a configuration command to the Bluetooth chip by the main controller of the mobile terminal through the data communication interface when the user turns on the Bluetooth; specifically as described in S100 above.

The clock signal sending module 400 is used for the bluetooth chip to receive a configuration command, and control the bluetooth chip to send a clock request signal or a clock off signal to the main controller in the form of data; specifically as described in S200 above.

The clock control module 500 is used for when the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface, then the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller obtains the clock off signal sent by the Bluetooth chip from the data communication interface, Then the main controller stops outputting the bluetooth clock to the bluetooth chip; details are as described in S2300 above.

Further, when the present invention is implemented, as shown in Figure 3, the data communication interface of the main controller 10 includes a data receiving pin I1 and a data sending pin I2; the main controller also includes a GPIO interface and a clock output Pin BBCLK. Moreover, the Bluetooth chip 20 includes a data receiving pin F1 and a data sending pin F2. The Bluetooth chip 20 also includes a clock request pin VEN and a clock input pin XTAL. The data receiving pin I1 and the data sending pin I2 are respectively connected to the data receiving pin F1 and the data sending pin F2 for data transmission and communication between the main controller 10 and the Bluetooth chip 20 . The GPIO interface is connected to the clock request pin VEN, and is used for the main controller 10 to control the bluetooth chip 20 to be turned on and off. The clock input pin XTAL is connected to the clock output pin BBCLK for the main controller 10 to output the Bluetooth clock to the Bluetooth chip 20 .

Preferably, when the present invention is implemented, the system is composed of the main controller MSM8974 and the bluetooth chip BC57E687C. Therefore, in the present invention, the configuration module 300 in the system can send configuration instructions to the Bluetooth chip BC57E687C through the data sending pin I2 of the data communication interface.

During specific implementation, the configuration instruction may specifically be: sending specific data to the Bluetooth chip according to the definition of the Bluetooth chip manufacturer. For example, the main controller MSM8974 sends data 0x8767890123456 to the Bluetooth chip BC57E687C through the data sending pin I2, which means that the Bluetooth chip BC57E687C is configured to send a clock request signal in the form of data from the Bluetooth chip BC57E687C. Therefore, the clock signal sending module 400 in the system will send data 0x1234567890123456001 to the main controller MSM8974 through the data sending pin F2 when the bluetooth chip BC57E687C needs the clock output pin BBCLK of the main controller MSM8974 to output the clock. The clock signal sending module 400 will send data 0x1234567890123456000 to the main controller MSM8974 through the data sending pin F2 when the bluetooth chip BC57E687C does not need the clock output pin BBCLK of the main controller MSM8974 to output the bluetooth clock.

The clock control module 500 obtains the data sent by the Bluetooth chip BC57E687C through the data receiving pin I1, and makes the following two judgments: (1) whether it is clock request signal data, that is, whether it is 0x1234567890123456001, if so, control the clock output pin BBCLK output Bluetooth clock; (2) Whether it is the clock off signal data, that is, whether it is 0x1234567890123456000, if so, control the clock output pin BBCLK to stop outputting the Bluetooth clock.

Based on the above embodiments, the present invention also provides a mobile terminal, including the Bluetooth clock control system described in any one of the above items.

In summary, the bluetooth clock control method, system and mobile terminal provided by the present invention send configuration instruction data to the bluetooth chip through the main controller: when bluetooth is working, control the bluetooth chip to send a clock request to the main controller in the form of data Signal, when the bluetooth is not working, the control bluetooth chip sends the clock off signal to the main controller in the form of data. The main controller receives the clock request and shutdown signal of the Bluetooth chip, so as to control the Bluetooth chip to enable the Bluetooth clock when it is working, and disable the Bluetooth clock when the Bluetooth is not working, so as to dynamically control whether the main controller is active or not according to the clock request signal of the Bluetooth chip. The clock is output to the bluetooth chip to save the power of the mobile terminal and reduce the power consumption of the system.

It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art can improve or change according to the above description, for example, all these improvements and changes should belong to the protection of the appended claims of the present invention scope.

Claims (3)

1. a bluetooth clock control method, is characterized in that, comprises: A. When the user turns on the Bluetooth, the main controller of the mobile terminal sends a configuration command to the Bluetooth chip through the data communication interface; B. The bluetooth chip receives configuration instructions, and controls the bluetooth chip to send a clock request signal or a clock shutdown signal to the main controller in the form of data; C. When the main controller obtains the clock request signal sent by the Bluetooth chip from the data communication interface, the main controller outputs the Bluetooth clock to the Bluetooth chip; when the main controller obtains the clock off signal sent by the Bluetooth chip from the data communication interface, the main controller stops Output the Bluetooth clock to the Bluetooth chip; The configuration command described in the step A is: when the bluetooth is working, control the bluetooth chip to send a clock request signal to the main controller in the form of data; when the bluetooth is not working, control the bluetooth chip to send the clock to the main controller in the form of data to close Signal; The clock request signal and the clock off signal are data defined by the Bluetooth chip manufacturer; The data communication interface of the main controller includes a data receiving pin and a data sending pin; the main controller also includes a GPIO interface and a clock output pin; The bluetooth chip includes data receiving pins and data sending pins; the bluetooth chip also includes clock request pins and clock input pins; the data receiving pins and data sending pins of the bluetooth chip are connected to the main The data receiving pin and the data sending pin of the controller are used for data transmission and communication between the main controller and the Bluetooth chip; the GPIO interface is connected to the clock request pin for the main controller to control the opening of the Bluetooth chip , close; the clock input pin is connected to the clock output pin for the master controller to output the bluetooth clock to the bluetooth chip; The model of the main controller is MSM8974, and the model of the Bluetooth chip is BC57E687C; The main controller MSM8974 sends data 0x8767890123456 to the Bluetooth chip BC57E687C through the data sending pin, indicating that the Bluetooth chip BC57E687C is configured so that the Bluetooth chip BC57E687C sends a clock request signal in the form of data. 2. A bluetooth clock control system, comprising a main controller and a bluetooth chip, the main controller is connected with the bluetooth chip, it is characterized in that, the main controller includes a bluetooth clock line for providing a clock signal for the bluetooth chip, And a data communication interface for data transmission between the main controller and the Bluetooth chip; the main controller and the Bluetooth chip are connected through a number of data communication lines for data transmission; Wherein, the main controller also includes: The configuration module is used for sending configuration instructions to the Bluetooth chip by the main controller of the mobile terminal through the data communication interface when the user turns on the Bluetooth; A clock signal sending module, used for the bluetooth chip to receive configuration instructions, and control the bluetooth chip to send a clock request signal or a clock off signal to the main controller in the form of data; The clock control module is used to output the bluetooth clock to the bluetooth chip when the main controller obtains the clock request signal sent by the bluetooth chip from the data communication interface; when the main controller obtains the clock off signal sent by the bluetooth chip from the data communication interface, then The main controller stops outputting the bluetooth clock to the bluetooth chip; The configuration command described in the configuration module is: when the bluetooth is working, control the bluetooth chip to send a clock request signal to the main controller in data form, and when the bluetooth is not working, control the bluetooth chip to send a clock to the main controller in the form of data to close signal; the clock request signal and the clock off signal are data defined by the bluetooth chip manufacturer; The data communication interface of the main controller includes a data receiving pin and a data sending pin; the main controller also includes a GPIO interface and a clock output pin; The bluetooth chip includes data receiving pins and data sending pins; the bluetooth chip also includes clock request pins and clock input pins; the data receiving pins and data sending pins of the bluetooth chip are connected to the main The data receiving pin and the data sending pin of the controller are used for data transmission and communication between the main controller and the Bluetooth chip; the GPIO interface is connected to the clock request pin for the main controller to control the opening of the Bluetooth chip , close; the clock input pin is connected to the clock output pin for the master controller to output the bluetooth clock to the bluetooth chip; The model of the main controller is MSM8974, and the model of the Bluetooth chip is Bluetooth chip BC57E687C; The main controller MSM8974 sends data 0x8767890123456 to the Bluetooth chip BC57E687C through the data sending pin, indicating that the Bluetooth chip BC57E687C is configured so that the Bluetooth chip BC57E687C sends a clock request signal in the form of data. 3. A mobile terminal, comprising the bluetooth clock control system according to claim 2.