CN103929696A - Earphone detection processing method, device and mobile terminal - Google Patents
Earphone detection processing method, device and mobile terminal Download PDFInfo
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- CN103929696A CN103929696A CN201410099293.3A CN201410099293A CN103929696A CN 103929696 A CN103929696 A CN 103929696A CN 201410099293 A CN201410099293 A CN 201410099293A CN 103929696 A CN103929696 A CN 103929696A
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Abstract
The invention discloses an earphone detection processing method applied to a mobile terminal. The earphone detection processing method comprises the steps that when an interrupt signal is detected, the direct current offset voltage value of a microphone of an earphone and the voltage value of the microphone are detected; the direct current offset voltage value of the microphone and the voltage value of the microphone are compared, and a comparison result is generated; the direct current offset voltage value of the microphone is regulated according to the comparison result so that the earphone can work normally at the mobile terminal. The invention further discloses an earphone detection processing device and the mobile terminal. By means of the technical scheme, different earphones can work normally at the mobile terminal, electricity is saved, the problem that the earphone of an iPhone can not be used normally after being inserted into other types of mobile terminals is resolved, the compatibility of the earphone of the iPhone is improved, and experience of users is improved.
Description
Technical field
The present invention relates to mobile terminal application, relate in particular to a kind of headset detection processing method, device and mobile terminal.
Background technology
At present, the mobile terminal that Apple produces, as i Phone (being commonly called as iPhone), apple panel computer (being commonly called as iPad) etc., because many, the intelligent degree of function are high, easy to use, is subject to increasing user's favor.And every money iPhone mobile phone is all equipped with its special-purpose accessory, as iPhone earphone, charger, outer casing protective sleeve etc.
Owing to being provided with integrated circuit (IC, the Integrated Circuit) chip of a special use in iPhone earphone, so iPhone earphone is adaptive iPhone mobile phone only, and mobile terminal that can not compatible other types.On the mobile terminal of other types, whether after can not detecting iPhone earphone and inserting or insert, the microphone call function of iPhone earphone can not be used.For example, the mobile phone that the companies such as Intel (Intel), MediaTek Inc. (Mediatek), high pass (Qualcomm) produce, when inserting iPhone earphone, cannot normally detect or converse, the microphone no-output of iPhone earphone.Like this, greatly reduced the compatibility of iPhone earphone, made troubles to user's use.
Summary of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of headset detection processing method, device and mobile terminal, can improve the compatibility of iPhone earphone, promotes user's experience.
For achieving the above object, technical scheme of the present invention is achieved in that
The embodiment of the present invention provides a kind of headset detection processing method, is applied to mobile terminal, and described method comprises:
While interrupt signal being detected, the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone are detected;
The size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
According to comparative result, the DC offset voltage value of described microphone is regulated and controled, so that described earphone can normally be worked at described mobile terminal.
Preferably, described according to comparative result, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Preferably, described when described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone,
If the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone;
If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Preferably, when the described DC offset voltage value when microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Preferably, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
By regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
Described analog switch is switched to the second linear voltage regulator from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, described default DC offset voltage can be 2.8V.
The embodiment of the present invention also provides a kind of headset detection processing unit, is applied to mobile terminal, and described device comprises detection module, comparison module and regulation and control module; Wherein,
Described detection module, for detection of interrupt signal, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone;
Described comparison module, for the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
Described regulation and control module, for according to comparative result, the DC offset voltage value of described microphone being regulated and controled, so that described earphone can normally be worked at described mobile terminal.
Preferably, described regulation and control module comprises the first regulator module and the second regulator module, wherein,
Described the first regulator module, while being greater than the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first judging the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
Described the second regulator module, while equaling the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Preferably, the first regulator module, specifically for:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, if the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone; If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Preferably, described the second regulator module, specifically for:
When the DC offset voltage value of described comparison module judgement microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Preferably, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
Described the second regulator module is by regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
Described the second regulator module switches to the second linear voltage regulator by described analog switch from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, described default DC offset voltage can be 2.8V.
The embodiment of the present invention also provides a kind of mobile terminal, and described mobile terminal comprises headset detection processing unit mentioned above.
Headset detection processing method, device and mobile terminal that the embodiment of the present invention provides, while interrupt signal being detected, detect the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone; The size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result; According to comparative result, the DC offset voltage value of described microphone is regulated and controled, so that described earphone can normally be worked at described mobile terminal.So, according to the type adjustment DC offset voltage value of earphone, can save to greatest extent electric weight, dissimilar earphone can normally be worked on mobile terminal; And, solved iPhone earphone and inserted the problem that cannot normally use after the mobile terminal of other types, when the type of earphone is iPhone earphone, can make the microphone call function of iPhone earphone normally use, the compatibility that has improved iPhone earphone, has also promoted user's experience.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the headset detection processing method of the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet of the headset detection processing method of the embodiment of the present invention two;
Fig. 3 for the embodiment of the present invention provide have earphone to insert time handling process schematic diagram;
Fig. 4 is the composition structural representation of the headset detection processing unit of the embodiment of the present invention one;
Fig. 5 is the composition structural representation of the headset detection processing unit of the embodiment of the present invention two.
Embodiment
In order more at large to understand feature of the present invention and technology contents, below in conjunction with accompanying drawing, realization of the present invention is described in detail, the use of appended accompanying drawing explanation only for reference, is not used for limiting the present invention.
A kind of headset detection processing method that the embodiment of the present invention provides, is applied to mobile terminal, and as shown in Figure 1, in a preferred embodiment of the invention, described headset detection processing method mainly comprises the following steps:
Step 101: while interrupt signal being detected, the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone are detected.
Here, when mobile terminal has earphone to insert, can produce interrupt signal.
Here, the magnitude of voltage of described microphone typically refers to the operational voltage value of microphone.
Step 102: the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result.
Here, described comparative result only has two kinds of situations, and a kind of is the magnitude of voltage that the DC offset voltage value of microphone is greater than microphone, and another kind is the magnitude of voltage that the DC offset voltage value of microphone equals microphone.
Particularly, when the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, show that the microphone of described earphone possesses the ability of normal work; When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, show that the microphone of described earphone does not possess the ability of normal work.
Step 103: according to comparative result, the DC offset voltage value of described microphone is regulated and controled, so that described earphone can normally be worked at described mobile terminal.
Preferably, described according to comparative result, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Preferably, described when described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone,
If the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone;
If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Here, when the type of the described earphone of judgement is three-section earphone, because three-section earphone does not possess microphone call function, so the DC offset voltage value of microphone is adjusted to zero, can save electric weight.
Preferably, when the described DC offset voltage value when microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Particularly, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
By regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Particularly, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
Described analog switch is switched to the second linear voltage regulator from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, described default DC offset voltage can be 2.8V.
Here, described default DC offset voltage value is for making the magnitude of voltage of the microphone work of iPhone earphone.That is to say, as long as can guarantee that default DC offset voltage value is more than or equal to the critical voltage value of the microphone work that makes iPhone earphone.
The processing method of headset detection described in the present embodiment is particularly useful for the mobile terminal of the other types except iPhone.For example, in actual applications, mobile terminal can be: the mobile phone that the companies such as Intel, Mediatek, Qualcomm produce or the mobile terminals such as panel computer with call function.
The processing method of headset detection described in the present embodiment, while interrupt signal being detected, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone; The size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result; According to comparative result, the DC offset voltage value of described microphone is regulated and controled: so, described dissimilar earphone can normally be worked on mobile terminal, accomplish to save to greatest extent electric weight; When the type of described earphone is iPhone earphone, also can make the microphone of iPhone earphone normally work, solve iPhone earphone and inserted the problem that cannot normally use after the mobile terminal of other types, improved the compatibility of iPhone earphone.
The embodiment of the present invention also provides a kind of headset detection processing method, is applied to mobile terminal, and as shown in Figure 2, in a preferred embodiment of the invention, described headset detection processing method mainly comprises the following steps:
Step 201: while interrupt signal being detected, the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone are detected.
Here, when mobile terminal has earphone to insert, can produce interrupt signal.
Here, the magnitude of voltage of described microphone typically refers to the operational voltage value of microphone.
Step 202: the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result.
Here, described comparative result only has two kinds of situations, and a kind of is the magnitude of voltage that the DC offset voltage value of microphone is greater than microphone, and another kind is the magnitude of voltage that the DC offset voltage value of microphone equals microphone.
Particularly, when the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, show that the microphone of described earphone possesses the ability of normal work; When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, show that the microphone of described earphone does not possess the ability of normal work.
Step 203: when described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled; When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Particularly, described when described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone,
If the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone;
If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Here, when the type of the described earphone of judgement is three-section earphone, because three-section earphone does not possess microphone call function, so the DC offset voltage value of microphone is adjusted to zero, can save electric weight.
Particularly, when the described DC offset voltage value when microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled, can comprise:
When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Particularly, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
By regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Particularly, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, can comprise:
Described analog switch is switched to the second linear voltage regulator from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, described default DC offset voltage can be 2.8V.
Here, described default DC offset voltage value is for making the magnitude of voltage of the microphone work of iPhone earphone.That is to say, as long as can guarantee that default DC offset voltage value is more than or equal to the critical voltage value of the microphone work that makes iPhone earphone.
In the present embodiment, described headset detection processing method is particularly useful for the mobile terminal of the other types except iPhone.For example, in actual applications, mobile terminal can be: the mobile phone that the companies such as Intel, Mediatek, Qualcomm produce or the panel computer with call function.
The processing method of headset detection described in the present embodiment, while interrupt signal being detected, detects the magnitude of voltage of the output valve of the DC offset voltage of the microphone of earphone and microphone; According to the magnitude of voltage of the output valve of the DC offset voltage of detected microphone and microphone, tentatively earphone is sorted out: when the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, the type of described earphone is four-part form earphone or three-section earphone, when the type of the described earphone of judgement is four-part form earphone, DC offset voltage value is not adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero, so, not only can make earphone normally work, can also save to greatest extent electric weight; When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, if the type of described earphone is iPhone earphone, can make iPhone earphone normally work; Solve iPhone earphone and inserted the problem that cannot normally use after the mobile terminal of other types, improved the compatibility of iPhone earphone, also promoted user's experience.
For example, when iPhone earphone being inserted after the mobile terminal of other types, by improving DC offset voltage value, make current DC offset voltage value adjust to default DC offset voltage value, just can make the microphone of iPhone earphone normally work.
Fig. 3 for the embodiment of the present invention provide have earphone to insert time handling process schematic diagram, as shown in Figure 3, this handling process mainly comprises the following steps:
Step 301: detect interrupt signal;
Particularly, when interrupt signal being detected, show to have earphone to insert.
Here, when interrupt signal being detected, execution step 302.
Step 302: the magnitude of voltage Va to the DC offset voltage value V1 of the microphone of earphone and microphone detects;
Here, the DC offset voltage value of the microphone of earphone is designated as to V1, the magnitude of voltage of current microphone is designated as to Va.
Step 303: judge whether Va is less than V1, if so, execution step 304; If not, execution step 305;
Here, when Va is not less than V1, can only occur that Va equals the situation of V1.
Step 304: judge whether Va equals 0, if so, execution step 306, if not, execution step 308;
Step 305: V1 is adjusted to V2, detect the magnitude of voltage Vb of microphone now simultaneously;
Here, Vb is the magnitude of voltage of the microphone after the DC offset voltage value of the described microphone of raising that detects.
Here, V2 is for making the magnitude of voltage of the microphone work of iPhone earphone.
Step 306: at T, in the time, continue to detect, judge whether Va still equals 0, if so, execution step 309; If not, execution step 308;
Here, T is Preset Time, can set according to concrete actual conditions.
Step 307: judge whether Vb is less than V2, if so, execution step 310, if not, execution step 311;
Here, when Vb is not less than V2, can only occur that Vb equals the situation of V2.
Step 308: the type that judges described earphone is four-part form earphone, V1 is not adjusted;
Step 309: the type that judges described earphone is three-section earphone, is adjusted to zero by V1;
Step 310: the type that judges described earphone is iPhone earphone, V2 is not adjusted;
Step 311: judge that described earphone does not correctly insert, and is adjusted to zero by V2.
In above-mentioned steps 305, can be by regulating programmable linear voltage regulator that V1 is adjusted to V2.Also the output valve that the output valve of the first linear voltage regulator of non-programmable is set to the second linear voltage regulator of V1, non-programmable is in advance set to V2, then when needs switch, by switching analoging switch, from the first linear voltage regulator, switch to the second linear voltage regulator, so that V1 is adjusted to V2.
Corresponding above-mentioned headset detection processing method, the embodiment of the present invention provides a kind of headset detection processing unit, and described headset detection processing unit is applied to mobile terminal, and as shown in Figure 4, described device comprises detection module 41, comparison module 42 and regulation and control module 43; Wherein,
Described detection module 41, for detection of interrupt signal, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone;
Described comparison module 42, for the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
Described regulation and control module 43, for according to comparative result, the DC offset voltage value of described microphone being regulated and controled, so that described earphone can normally be worked at described mobile terminal.
Preferably, described regulation and control module 43, specifically for:
When the DC offset voltage value of described comparison module judgement microphone is greater than the magnitude of voltage of microphone, first judges the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
When the DC offset voltage value of described comparison module judgement microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Preferably, described regulation and control module 43, specifically also for:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, if the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone; If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Preferably, described regulation and control module 43, specifically also for:
When the DC offset voltage value of described comparison module judgement microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Preferably, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
Preferably, described regulation and control module 43, specifically also for:
By regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
Described regulation and control module 43, specifically also for: described analog switch is switched to the second linear voltage regulator from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Here, described default DC offset voltage is for making the DC offset voltage of iPhone ear microphone work.
Preferably, described default DC offset voltage can be 2.8V.
The embodiment of the present invention also provides headset detection processing unit, and described headset detection processing unit is applied to mobile terminal, and as shown in Figure 5, described device comprises detection module 41, comparison module 41 and regulation and control module 43; Described regulation and control module 43 comprises the first regulator module 431 and the second regulator module 432; Wherein,
Described detection module 41, for detection of interrupt signal, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone;
Described comparison module 42, for the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
Described regulation and control module 43, for according to comparative result, the DC offset voltage value of described microphone being regulated and controled, so that described earphone can normally be worked at described mobile terminal;
Described the first regulator module 431, while being greater than the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
Described the second regulator module 432, while equaling the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
Preferably, the first regulator module 431, specifically for:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, if the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone; If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
Preferably, described the second regulator module 432, specifically for:
When the DC offset voltage value of described comparison module judgement microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
Preferably, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
Described the second regulator module 432 is by regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Preferably, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
Described the second regulator module 432 switches to the second linear voltage regulator by described analog switch from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
Here, described default DC offset voltage is for making the DC offset voltage of the microphone work of iPhone earphone.
Preferably, described default DC offset voltage can be 2.8V.
The embodiment of the present invention has also been recorded a kind of mobile terminal, and described mobile terminal comprises headset detection processing unit mentioned above.
It should be noted that, the function of the detection module 41 described in the embodiment of the present invention, comparison module 42 and regulation and control module 43 can be by the central processing unit (CPU in described mobile terminal, Central Processing Unit), microprocessor (MPU, Micro Processor Unit) or Digital Signal Processing (DSP, Digital Signal Processor) chip etc. realize.
In sum, the embodiment of the present invention, when interrupt signal being detected, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone; The size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result; According to comparative result, the DC offset voltage value of described microphone is regulated and controled: so, can make dissimilar earphone can normally work on mobile terminal, save electric weight; Can solve iPhone earphone and insert the problem that cannot normally use after the mobile terminal of other types, improve the compatibility of iPhone earphone, promote user's experience.
In several embodiment provided by the present invention, should be understood that disclosed method, device and electronic equipment can be realized by another way.Apparatus embodiments described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can there is other dividing mode, as: a plurality of unit or assembly can be in conjunction with, maybe can be integrated into another system, or some features can ignore, or do not carry out.In addition, coupling each other of each shown or discussed part or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of equipment or unit or communication connection can be electrical, machinery or other form.
The above-mentioned unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, also can be distributed in a plurality of network element; Can select according to the actual needs part or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can all be integrated in a processing unit, can be also that each unit is distinguished separately as a unit, also can be integrated in a unit two or more unit; Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as movable storage device, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
Or, if the above-mentioned integrated unit of the embodiment of the present invention usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.Understanding based on such, the part that the technical scheme of the embodiment of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprises that some instructions are used so that method is all or part of described in each embodiment of a computer equipment (can be personal computer, server or the network equipment etc.) execution the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as movable storage device, ROM, RAM, magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (15)
1. a headset detection processing method, is applied to mobile terminal, it is characterized in that, described method comprises:
While interrupt signal being detected, the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone are detected;
The size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
According to comparative result, the DC offset voltage value of described microphone is regulated and controled, so that described earphone can normally be worked at described mobile terminal.
2. method according to claim 1, is characterized in that, described according to comparative result, and the DC offset voltage value of described microphone is regulated and controled, and comprising:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
When described comparative result shows that the DC offset voltage value of microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
3. method according to claim 2, it is characterized in that, it is described when described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, first judge the type of described earphone, according to headset type, the DC offset voltage value of described microphone is regulated and controled again, comprising:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone,
If the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone;
If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
4. method according to claim 2, it is characterized in that, when the described DC offset voltage value when microphone equals the magnitude of voltage of microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage value, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled, comprising:
When the DC offset voltage value of microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
5. method according to claim 4, is characterized in that, when mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, comprising:
By regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
6. method according to claim 4, it is characterized in that, when mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
The described DC offset voltage value by microphone is adjusted to default DC offset voltage value, comprising:
Described analog switch is switched to the second linear voltage regulator from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
7. according to the method described in claim 5 or 6, it is characterized in that, default DC offset voltage can be 2.8V.
8. a headset detection processing unit, is applied to mobile terminal, it is characterized in that, described device comprises detection module, comparison module and regulation and control module; Wherein,
Described detection module, for detection of interrupt signal, detects the DC offset voltage value of the microphone of earphone and the magnitude of voltage of microphone;
Described comparison module, for the size of the DC offset voltage value of more detected microphone and the magnitude of voltage of microphone, generates comparative result;
Described regulation and control module, for according to comparative result, the DC offset voltage value of described microphone being regulated and controled, so that described earphone can normally be worked at described mobile terminal.
9. device according to claim 8, is characterized in that, described regulation and control module comprises the first regulator module and the second regulator module, wherein,
Described the first regulator module, while being greater than the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first judging the type of described earphone, then according to headset type, the DC offset voltage value of described microphone is regulated and controled;
Described the second regulator module, while equaling the magnitude of voltage of microphone for the DC offset voltage value when described comparison module judgement microphone, first the DC offset voltage value of microphone is adjusted to default DC offset voltage, judge again the type of described earphone, and according to headset type, the DC offset voltage value of described microphone is regulated and controled.
10. device according to claim 9, is characterized in that, the first regulator module, specifically for:
When described comparative result shows that the DC offset voltage value of microphone is greater than the magnitude of voltage of microphone, if the magnitude of voltage of described microphone is non-vanishing, the type that judges described earphone is four-part form earphone; If the magnitude of voltage of described microphone is zero, further determine whether the magnitude of voltage of described microphone in Preset Time is still zero, if so, the type that judges described earphone is three-section earphone; If not, the type that judges described earphone is four-part form earphone;
When the type of the described earphone of judgement is four-part form earphone, no longer DC offset voltage value is adjusted; When the type of the described earphone of judgement is three-section earphone, the DC offset voltage value of microphone is adjusted to zero.
11. devices according to claim 9, is characterized in that, described the second regulator module, specifically for:
When the DC offset voltage value of described comparison module judgement microphone equals the magnitude of voltage of microphone, the DC offset voltage value of microphone is adjusted to default DC offset voltage value;
The magnitude of voltage of described microphone after the DC offset voltage value of the described microphone of detection raising;
If the magnitude of voltage of microphone is less than default DC offset voltage value, the type that judges described earphone is iPhone earphone; If the magnitude of voltage of microphone equals default DC offset voltage value, judge that described earphone does not correctly insert;
When the type of the described earphone of judgement is iPhone earphone, the DC offset voltage value of microphone is not adjusted; When the described earphone of judgement does not correctly insert, the DC offset voltage value of microphone is adjusted to zero.
12. devices according to claim 9, is characterized in that,
When mobile terminal provides DC offset voltage by programmable linear voltage regulator to microphone, wherein, described programmable linear voltage regulator is connected with the DC offset voltage interface of microphone;
Described the second regulator module is by regulating programmable linear voltage regulator that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
13. devices according to claim 9, is characterized in that,
When mobile terminal provides DC offset voltage by analog switch, the first linear voltage regulator and the second linear voltage regulator to microphone, wherein, described analog switch is connected with the DC offset voltage interface of microphone, the output valve of described the first linear voltage regulator is the first default DC offset voltage, the output valve of described the second linear voltage regulator is the second default DC offset voltage, and described the first linear voltage regulator and described the second linear voltage regulator are the linear voltage regulator of non-programmable;
Described the second regulator module switches to the second linear voltage regulator by described analog switch from the first linear voltage regulator, so that the DC offset voltage value of microphone is adjusted to default DC offset voltage value.
14. according to the device described in claim 12 or 13, it is characterized in that, described default DC offset voltage can be 2.8V.
15. 1 kinds of mobile terminals, is characterized in that, described mobile terminal comprises the headset detection processing unit described in claim 8 to 14 any one.
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