CN1437329A - Warning method for bluetooth equipment in abnormal association - Google Patents
Warning method for bluetooth equipment in abnormal association Download PDFInfo
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- CN1437329A CN1437329A CN 02103485 CN02103485A CN1437329A CN 1437329 A CN1437329 A CN 1437329A CN 02103485 CN02103485 CN 02103485 CN 02103485 A CN02103485 A CN 02103485A CN 1437329 A CN1437329 A CN 1437329A
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Abstract
The warning method for bluetooth equipment in abnormal association includes the following steps: for the CPU of one the two pieces of bluetooth equipment been associated to check the link quality number periodically via host machine control interface command to confirm the link state of the two; and for the CPU to send out warning signal in case of abnormal association or quality number lower than the set value. The bluetooth equipment of the present invention includes one CPU, one memory connected to the CPU, one bluetooth chip connected to the CPU and one warning device. The bluetooth equipment consists of one RF unit connected to an antenna and one fundamental frequency unit connected to the CPU, connected together. The present invention can reduce the probability of interruption in communication.
Description
(1) technical field
The relevant a kind of communication technology of the present invention, particularly a kind of alarming method for power that adopts the bluetooth equipment in abnormal association of Bluetooth technology, it is for a kind of alarming method for power of the bluetooth equipment in abnormal association of setting, be to check link quality numerical value with host controller interface instruction cycle property ground with the central processing unit in the blue-tooth device, but and with set point relatively, and learn whether communication conditions anomaly occurs.
(1) background technology
Bluetooth technology starts from the beginning of 1998, and the Bluetooth technology standard of being promoted by Bluetooth Special Interest Group (BluetoothSpecial Interest Group) at present is a kind of lower powered wireless communication technology standard.
The desirable cable that substitutes numerous portable equipments such as linking PC, printer, palmtop computer and mobile phone of its development prospect with the space simplicity with these equipment utilizations, and can reduce numerous and diverse line process.
General blue-tooth device there is no the technical measures of reminding the user contact occurring when unusual, until contact is when interrupting, the user just realize write to each other occur unusual.At this moment, the user must spend the plenty of time and energy has rebulid interrupted contact, if unusual the generation frequently, with the waste that causes on time and the expense.If can learn early that contact can produce unusually, the user just can take measures as quickly as possible.
(1) summary of the invention
Main purpose of the present invention is to provide a kind of alarming method for power that can in time detect the bluetooth equipment in abnormal association of anomaly, so that after setting up contact between the Bluetooth communication device, the central processing unit of each blue-tooth device is checked link quality numerical value with host controller interface (HostController lnterface) the instruction cycle property ground of Bluetooth technology standard.
Of the present invention time a purpose is to provide a kind of alarming method for power that can in time send the bluetooth equipment in abnormal association of alarm signal, when the quality numerical value of being checked out is lower than preset value, the central processing unit of Bluetooth system promptly sends alarm signal (as vibration, the tinkle of bells or screen display) by the caution element, to remind the user of Bluetooth system.
Another purpose of the present invention is to provide a kind of alarming method for power of the bluetooth equipment in abnormal association that can return to normal automatically, and when quality numerical value returns to when being higher than preset value, the central processing unit of system promptly stops to send the caution instruction, makes the system restoration normality.
For achieving the above object, the present invention takes following technical measures:
The alarming method for power of bluetooth equipment in abnormal association of the present invention, the central processing unit that comprises the steps: either party in two blue-tooth devices of having set up contact is confirmed the contact status of stream oriented device with host controller interface instruction checking link quality numerical value according to link quality numerical value.
Wherein, described central processing unit is periodically with the step of HCI instruction checking link quality numerical value and carries out.
Wherein, in the step of checking link quality numerical value, if when quality numerical value is lower than set point, promptly contact status occurs unusually, and the central processing unit of described device promptly sends alarm signal.
Wherein, described alarm signal can be vibration signal.
Wherein, described alarm signal can be the tinkle of bells.
Wherein, described alarm signal can be screen display signal.
Wherein, after described information warning sent, when removing as if anomaly, the central processing unit of described device promptly stopped to send alarm signal.
Wherein, described unusual releasing is meant that described quality numerical value recovers to be higher than preset value.
Blue-tooth device of the present invention comprises: central processing unit, connect a memory and a Bluetooth chip of central processing unit;
Bluetooth chip is made up of a radio frequency unit and a fundamental frequency unit of being connected; Radio frequency unit is connected with an antenna, and the fundamental frequency unit connects central processing unit;
Also comprise an alarming device that connects central processing unit.
Wherein, in described alarming device involving vibrations motor, jingle bell and the display screen at least one.
Compared with prior art, the present invention has following effect:
Method of the present invention can periodically be checked the link quality numerical value of blue-tooth device, when blue-tooth device contact appearance is unusual, can sends alarm signal and remind the user, to reduce the probability that contact is interrupted between blue-tooth device.
(1) description of drawings:
Fig. 1: two blue-tooth devices are set up the flow chart that link quality numerical value is checked in the contact back;
Fig. 2: the control flow chart of the alarming method for power of bluetooth equipment in abnormal association of the present invention;
Fig. 3: the circuit block diagram of the blue-tooth device among the present invention and contact schematic diagram therebetween.
(5) embodiment
Reaching embodiment in conjunction with the accompanying drawings is described in detail as follows architectural feature of the present invention:
As shown in Figure 1, after two blue-tooth devices of its expression are set up contact, check the flow chart of link quality numerical value; By among the figure as can be known, when two devices will be set up contact, one of them device sends an inquiry command by central processing unit by Bluetooth chip, and (step 11) is in the Bluetooth chip of another blue-tooth device, the central processing unit of another blue-tooth device carry out step 12: demand scan, after the blue-tooth device that sends inquiry is received by the answer of blue-tooth device inquiry, Bluetooth chip can be sent a signal of receiving answer back to central processing unit (step 13), central processing unit promptly sends one and sets up instructing to Bluetooth chip (step 14) of getting in touch, Bluetooth chip is informed central processing unit (step 15) to set up contact after receiving instruction.
Two blue-tooth devices are after setting up contact, either party central processing unit can periodically send HCI and instruct to Bluetooth chip inspection link quality numerical value (step 16), after Bluetooth chip is received instruction, promptly repay central processing unit link quality numerical value (step 17).Periodically repeating step 16 and 17 just can be learnt quality numerical value at any time.Above-mentioned HCI is meant between blue-tooth device controller and the Bluetooth chip interface circuit in order to Data transmission or instruction, the HCI instruction then is the instruction of blue-tooth device controller in order to the control Bluetooth chip, and these are the personage who has the knack of this skill technology and know, so seldom give unnecessary details at this.
As shown in Figure 2, it is the caution control flow graph of bluetooth equipment in abnormal association of the present invention; By showing among the figure,, wait for another blue-tooth device foundation and get in touch (step 21) in blue-tooth device start back (step 20), check whether get in touch (step 22) with another blue-tooth device foundation, if also do not set up contact, then get back to step 21, proceed to get in touch the affirmation of foundation; Get in touch if confirm to have set up, then will warn flag and be set at 0 (this situation is set up for contact unusual generation) (step 23) with another blue-tooth device, at this moment, can start check link quality timer (step 24) after, enter wait state (step 25).
After above-mentioned waiting step, can have following three kinds of situations to produce:
The firstth, receive link quality numerical value (step 26), at this moment, central processing unit judges whether link quality numerical value is lower than preset value (step 29).If quality numerical value is not lower than preset value (i.e. expression does not have anomaly to produce or got rid of unusually), at this moment, promptly confirm again the caution flag whether be 1 (that is, whether alarm signal is still in sending process) (step 291), if not, be indication device not in caution, then directly enter waiting step 294; If alarm flag is designated as 1 (promptly before had anomaly to produce, and got rid of at present), then will warn flag and establish back 0 (step 292), after stopping to warn (step 293), directly enter wait state (step 294).In above-mentioned steps 29, be lower than preset value if judge link quality numerical value, promptly get in touch anomaly and produce, so attention device sends caution (step 295) signal, and will warn flag and be set at 1 (step 296), and enter wait state (step 297).
Second kind of situation is to check link quality timer time to (step 27), and this moment must replacement timer (step 271), send again check link quality instruction (step 272) after, enter wait state (step 273).This step can reach the effect of periodically checking link quality numerical value.
The third situation when blue-tooth device will be interrupted contact (step 28), stops (step 281) with timer, seeks to set up in the wait state of getting in touch (step 282) with another blue-tooth device and enter.
As shown in Figure 3, it is circuit block diagram of blue-tooth device among the present invention and contact schematic diagram therebetween, by among the figure as can be known, blue-tooth device 30 comprises: Bluetooth chip 31, a memory 32 and a central processing unit 33; Wherein, Bluetooth chip 31 comprises radio frequency unit 311 and fundamental frequency unit 312, an external antenna 35.When two blue-tooth devices 30 will be set up contact, be contact, sending and to receive instruction, and establish a connection that this is known by the personage who has the knack of this skill technology by 35 on central processing unit 33, Bluetooth chip 31 and antenna.So do not add to give unnecessary details at this.The present invention has then set up the alarming device 34 as jingle bell 341 and vibrating motor 342 etc., utilizes said method, can start alarming device 34, reaches the warning function of bluetooth equipment in abnormal association.
The method disclosed in the present is to utilize the mode of periodically checking link quality numerical value, when blue-tooth device contact appearance is unusual, can in time sends alarm signal and remind the user, to reduce the probability that contact is interrupted between blue-tooth device.
Foregoing is to utilize embodiment that technical characterictic of the present invention is described, is not to be used to limit protection scope of the present invention, even there is the people to change slightly on the basis of the present invention's design, must belong in protection scope of the present invention.
Claims (10)
1, a kind of alarming method for power of bluetooth equipment in abnormal association, the central processing unit that comprises the steps: either party in two blue-tooth devices of having set up contact is confirmed the contact status of stream oriented device with host controller interface instruction checking link quality numerical value according to link quality numerical value.
2, alarming method for power according to claim 1 is characterized in that, described central processing unit is periodically with the step of HCI instruction checking link quality numerical value and carries out.
3, alarming method for power according to claim 1 and 2 is characterized in that, in the step of checking link quality numerical value, if when quality numerical value is lower than set point, promptly contact status occurs unusually, and the central processing unit of described device promptly sends alarm signal.
4, alarming method for power according to claim 3 is characterized in that, described alarm signal is a vibration signal.
5, alarming method for power according to claim 3 is characterized in that, described alarm signal is a tinkle of bells.
6, alarming method for power according to claim 3 is characterized in that, described alarm signal is a screen display signal.
According to each described alarming method for power in the claim 4,5,6, it is characterized in that 7, after described information warning sent, when removing as if anomaly, the central processing unit of described device promptly stopped to send alarm signal.
8, alarming method for power according to claim 7 is characterized in that, described unusual releasing is meant that described quality numerical value recovers to be higher than preset value.
9, a kind of blue-tooth device comprises: central processing unit, connect a memory and a Bluetooth chip of central processing unit;
Bluetooth chip is made up of a radio frequency unit and a fundamental frequency unit of being connected; Radio frequency unit is connected with an antenna, and the fundamental frequency unit connects central processing unit;
It is characterized in that, also comprise an alarming device that connects central processing unit.
10, device according to claim 8 is characterized in that, in described alarming device involving vibrations motor, jingle bell and the display screen at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02103485 CN1437329A (en) | 2002-02-06 | 2002-02-06 | Warning method for bluetooth equipment in abnormal association |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02103485 CN1437329A (en) | 2002-02-06 | 2002-02-06 | Warning method for bluetooth equipment in abnormal association |
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| CN1437329A true CN1437329A (en) | 2003-08-20 |
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| CN 02103485 Pending CN1437329A (en) | 2002-02-06 | 2002-02-06 | Warning method for bluetooth equipment in abnormal association |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018781A1 (en) * | 2007-08-09 | 2009-02-12 | Mediatek Inc. | Method and device for channel evaluation |
| CN102595268A (en) * | 2011-12-30 | 2012-07-18 | 吴东辉 | Bluetooth headset with loss prevention function |
| CN102595269A (en) * | 2011-12-30 | 2012-07-18 | 吴东辉 | Loss prevention method based on Bluetooth device and assorted Bluetooth headset |
| CN104459729A (en) * | 2014-12-29 | 2015-03-25 | 上海华测导航技术有限公司 | System and method for achieving Bluetooth abnormity detection and recovery in GNSS receiver |
-
2002
- 2002-02-06 CN CN 02103485 patent/CN1437329A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018781A1 (en) * | 2007-08-09 | 2009-02-12 | Mediatek Inc. | Method and device for channel evaluation |
| US7733938B2 (en) | 2007-08-09 | 2010-06-08 | Mediatek Inc. | Methods and apparatuses for channel assessment |
| CN101542943B (en) * | 2007-08-09 | 2013-01-23 | 联发科技股份有限公司 | Device for channel evaluation |
| CN103036630A (en) * | 2007-08-09 | 2013-04-10 | 联发科技股份有限公司 | Apparatuses and methods for channel assessment |
| CN102595268A (en) * | 2011-12-30 | 2012-07-18 | 吴东辉 | Bluetooth headset with loss prevention function |
| CN102595269A (en) * | 2011-12-30 | 2012-07-18 | 吴东辉 | Loss prevention method based on Bluetooth device and assorted Bluetooth headset |
| CN104459729A (en) * | 2014-12-29 | 2015-03-25 | 上海华测导航技术有限公司 | System and method for achieving Bluetooth abnormity detection and recovery in GNSS receiver |
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