CN103137112A - Test system of electronic organ keyboard functions - Google Patents
Test system of electronic organ keyboard functions Download PDFInfo
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- CN103137112A CN103137112A CN2013100640605A CN201310064060A CN103137112A CN 103137112 A CN103137112 A CN 103137112A CN 2013100640605 A CN2013100640605 A CN 2013100640605A CN 201310064060 A CN201310064060 A CN 201310064060A CN 103137112 A CN103137112 A CN 103137112A
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Abstract
The invention relates to a test system of electronic organ keyboard functions. The test system of the electronic organ keyboard functions comprises a single chip microcomputer system and a phenomenon display system, wherein the single chip microcomputer system is used for collecting keyboard button information and judging the keyboard button information, if information of each button is unique, after processing by the single chip microcomputer system, judged results are sent to the phenomenon display system; and the phenomenon display system is used for expressing the judged results of the single chip microcomputer system and reflecting function working condition of each button on a keyboard in a visualized mode. A keyboard function test tool can effectively reflect a normal working condition of the keyboard, can detect conditions of short circuit, open circuit, welding and the like in circuit hardware, and can detect whether connection of components in tandem connection is accurate or not, production efficiency is further improved, and quality of products is improved.
Description
Technical field
The present invention relates to a kind of test macro of electronic organ keyboard function, belong to mellotron production test instrument.
Background technology
At the mellotron production field, difference due to design, the reason of the improvement of technique etc., there is corresponding fraction defective in each button of keyboard, test-based examination work is relatively complicated, main because button is relatively many, the keyboard of 88 keys need to detect 176 push button function, works relatively loaded down with trivial details.
Summary of the invention
In order to overcome above deficiency, the invention provides a kind of test macro of electronic organ keyboard function, each button normal operating conditions of keyboard can be checked out by this testing tool intuitively, and corresponding problem can be judged, be conducive to the solution of problems.
Main technical content of the present invention is as follows:
A kind of test macro of electronic organ keyboard function comprises Single Chip Microcomputer (SCM) system and phenomenon display system; Described Single Chip Microcomputer (SCM) system is used for gathering the information of keyboard, and its information is judged, and whether the information of each button is unique, sends the result of judgement to the phenomenon display system after Single Chip Microcomputer (SCM) system is processed; Described phenomenon display system is for the judged result of expressing Single Chip Microcomputer (SCM) system, reacts intuitively the function operation situation of each button on keyboard.
Above-mentioned Single Chip Microcomputer (SCM) system comprises sampling module, computing module, communication module;
Described sampling module is used for the job information of sending and receiving keyboard, and the I/O mouth line output scanning signal by single-chip microcomputer is to keyboard, then by I/O input end reception keypad information;
Described computing module is used for the correctness of the keypad information that judgement relatively receives, and each I/O mouth collects the information of corresponding keyboard and the standard value comparison of Single Chip Microcomputer (SCM) system inside;
Result after described communication module is calculated for the transmission computing module is to the phenomenon display system, by the I/O mouth output signal of single-chip microcomputer.
Above-mentioned phenomenon display system comprises three diodes.
By technique scheme, the present invention has following advantages at least: the keypad function testing tool can effectively reflect the normal operation of keyboard, can check out the short circuit in circuit hardware, open circuit, whether the connection of serial connection device is correct, the situation of the aspects such as welding is further enhanced productivity, and improves product quality.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is keyboard button function figure;
Fig. 3 is the schematic diagram of three diodes of phenomenon display system;
Fig. 4 is keypad function test macro flow chart;
Fig. 5 is the I/O mouth line schematic diagram of single-chip microcomputer in embodiment.
Embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
As shown in Figure 1, a kind of test macro of electronic organ keyboard function comprises Single Chip Microcomputer (SCM) system and phenomenon display system; Single Chip Microcomputer (SCM) system is used for gathering the information of keyboard, and its information is judged, and whether the information of each button is unique, sends the result of judgement to the phenomenon display system after Single Chip Microcomputer (SCM) system is processed; The phenomenon display system is for the judged result of expressing Single Chip Microcomputer (SCM) system, reacts intuitively the function operation situation of each button on keyboard.
Single Chip Microcomputer (SCM) system comprises sampling module, computing module, communication module.
Sampling module is used for the job information of sending and receiving keyboard, and the I/O mouth line output scanning signal by single-chip microcomputer is to keyboard, then by I/O input end reception keypad information; Sampling module be exactly detect in producing keyboard on the scale circuit board, corresponding 2 function buttons (being generally the carbon film material) of each key.The keyboard that now relates to aborning generally has 25,37,49,61,76,88 keys, and for example 88 key boards just have 176 function buttons.Each button is by two data line traffic controls, and one is input line, and one is output line.But the button of keyboard is pressed, and button is just closed, and input line is connected through a diode with output line.The signal of the single-chip microcomputer that input end receives just can be sent to output line terminal.Send single-chip microcomputer to by output terminal.As shown in Figure 2, button is comprised of a diode D1 (IN4148) and button SW1, and input signal is IN A, and output signal is OUT.
Computing module is used for the correctness of the keypad information that judgement relatively receives, and each I/O mouth collects the information of corresponding keyboard and the standard value comparison of Single Chip Microcomputer (SCM) system inside; The computing module of Single Chip Microcomputer (SCM) system is exactly that signal that keyboard button function acquisition module output terminal OUT is sent here and the function of design compare, if comparative result is consistent, is being that keyboard button function is correct, otherwise is being exactly mistake.Beginning at computing module need to be as a signal emitting-source, with the input end of signal of I/O mouth line output to acquisition module.
Communication module is exactly that the judged result of single-chip microcomputer computing module is exported as carrier by the I/O with single-chip microcomputer, and single-chip microcomputer provides signal type and the size that communication module will be exported.Our testing tool is exported be a high level (+5V).Communication module sends out this high level signal to display module.
As shown in Figure 3, phenomenon display module formula comprises three light emitting diodes, and due to the characteristic of light emitting diode, one-way conduction, positive pole connect power supply or high level end, minus earth line or low level end.
For example, the I/O mouth PA5 of single-chip microcomputer output be high level (+5V), the LED1 light emitting diode just is lit so.
Workflow diagram of the present invention such as Fig. 4, shown in Figure 5.
The keyboard testing tool switches on power.
1, start test: program begins to start, and is introduced into self check, is mainly to button switch for keyboard front end and single-chip microcomputer self and peripheral circuit detection.
A, under normal circumstances, two lamps of LED1 and LED2 are entirely bright, and LED3 does not work, and the expression single-chip microcomputer is working properly;
Check the whether short circuit of carbon film switch after B, start, putting successively relevant delivery outlet line is low level.Whether detection PB, PC mouth line are all high level, if negate, program just judges that carbon film has short circuit so, puts the LED1 lamp bright, and the LED lamp goes out; If so, LED1 and LED2 lamp do not go out, and continue the work of next step, judge whether other places exist the short circuit imagination;
C, setting low successively level at each corresponding mouthful of line, judge whether the level situation of corresponding mouth line is all correct, if not low level, is not low level as long as a crossing line is arranged, and circuit has short circuit, and it is bright that single-chip microcomputer is put the LED1 lamp, and the LED2 lamp goes out; If judgement is that LED1 and LED2 lamp do not go out; Continue the work of next step, whether have output in decision circuitry, the opposite problem of the line of input port;
D, put PB, each mouthful of PC line output low level successively, judge whether PA, PD, PE mouth line level situation correct, if not, input the delivery outlet line opposite, it is bright that single-chip microcomputer is put the LED1 lamp, the LED2 lamp goes out; If correct, LED1 and LED2 lamp do not go out; Continue the work of next step, the test keyboard.
2, key testing: (88 bonding force degree keyboard)
Keypad is that several different methods can be arranged, but we use to press simultaneously 16 keys, two groups of keys (8 key one group, regardless of white-black key), 32 function buttons.Attention method, otherwise test data can not the complete reaction problem.
A, single-chip microcomputer are put PA, PD, PE is the delivery outlet line, and PB, PC mouth line are the input port line.Putting successively PA, PD, PE phase critical point line is low level, and the level by scanning PB, PC mouth line obtains the quantity of the key that keyboard presses; Whether the key that judgement is pressed is 32 function buttons; If not, judging that keyboard has problem, it is entirely bright that single-chip microcomputer is put LEDI and LED2 etc.; If so, judge that button is correct, single-chip microcomputer is put LED1, and LED2 goes out entirely; Continue the test of next step.The situation of test diode;
The PA of B, single-chip microcomputer, PD, PE phase critical point line is output, the output high level; Put PB, PC mouth line for input, be initialized as high level.Put successively PB, PC mouth line is low level, when PB or PC mouth line are done output therein, other mouth line is inputted, can read low level the time at other mouthfuls line, proof as the PB of delivery outlet, diode that PC mouth line is corresponding be reverse, this mouthful line has short circuit, do not weld diode or the direct state of wire jumper, puts the LED3 lamp bright; Do not put the LED3 lamp and go out if other mouthfuls line input is not low level but the situation of high level.
C, LED1 or LED2 do not extinguish any one, represent to have occurred in keyboard problem, can be with the sectionalization test method of excessively above-mentioned (B), the scope of mistake is reduced into one group of key; Again successively single test this group vicious button.If only have LED2 bright (that is: LED1 extinguishes), be diode reverse corresponding to this key, damage is arranged, be welded with short circuit, open circuit.If LED1, LED2 do not work, on circuit except the problems referred to above, the etween the lines that end also might occur inputing or outputing has and opens circuit, the problems such as the welding such as short circuit, PCB printed board processing.
Use keyboard testing tool of the present invention, can easily test out in process of production, the function operation situation of keyboard, judgement quality can in time reflect the problem place, has idea to correct maintenance, enhances productivity, and improves product quality.
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (3)
1. the test macro of an electronic organ keyboard function, is characterized in that: comprise Single Chip Microcomputer (SCM) system and phenomenon display system; Described Single Chip Microcomputer (SCM) system is used for gathering the information of keyboard, and its information is judged, and whether the information of each button is unique, sends the result of judgement to the phenomenon display system after Single Chip Microcomputer (SCM) system is processed; Described phenomenon display system is for the judged result of expressing Single Chip Microcomputer (SCM) system, reacts intuitively the function operation situation of each button on keyboard.
2. the test macro of a kind of electronic organ keyboard function according to claim 1, it is characterized in that: described Single Chip Microcomputer (SCM) system comprises sampling module, computing module, communication module;
Described sampling module is used for the job information of sending and receiving keyboard, and the I/O mouth line output scanning signal by single-chip microcomputer is to keyboard, then by I/O input end reception keypad information;
Described computing module is used for the correctness of the keypad information that judgement relatively receives, and each I/O mouth collects the information of corresponding keyboard and the standard value comparison of Single Chip Microcomputer (SCM) system inside;
Result after described communication module is calculated for the transmission computing module is to the phenomenon display system, by the I/O mouth output signal of single-chip microcomputer.
3. the test macro of a kind of electronic organ keyboard function according to claim 1, it is characterized in that: described phenomenon display system comprises three diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100640605A CN103137112A (en) | 2013-02-28 | 2013-02-28 | Test system of electronic organ keyboard functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100640605A CN103137112A (en) | 2013-02-28 | 2013-02-28 | Test system of electronic organ keyboard functions |
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| CN103137112A true CN103137112A (en) | 2013-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700758A (en) * | 2021-01-08 | 2021-04-23 | 吟飞科技(江苏)有限公司 | Percussion pad controller editing method based on light display |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050649U (en) * | 1989-04-07 | 1990-01-03 | 北京乐器研究所 | Computerized detector for quality of piano keys |
| CN101644743A (en) * | 2009-08-22 | 2010-02-10 | 福建捷联电子有限公司 | Method for testing button circuit board and device thereof |
| CN201780573U (en) * | 2010-07-30 | 2011-03-30 | 深圳安博电子有限公司 | Test device of keyboard modules |
| CN202693762U (en) * | 2012-07-18 | 2013-01-23 | 东莞市龙健电子有限公司 | Key testing device |
| CN102944836A (en) * | 2012-11-23 | 2013-02-27 | 广州市天艺电子有限公司 | Musical keyboard test system |
-
2013
- 2013-02-28 CN CN2013100640605A patent/CN103137112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050649U (en) * | 1989-04-07 | 1990-01-03 | 北京乐器研究所 | Computerized detector for quality of piano keys |
| CN101644743A (en) * | 2009-08-22 | 2010-02-10 | 福建捷联电子有限公司 | Method for testing button circuit board and device thereof |
| CN201780573U (en) * | 2010-07-30 | 2011-03-30 | 深圳安博电子有限公司 | Test device of keyboard modules |
| CN202693762U (en) * | 2012-07-18 | 2013-01-23 | 东莞市龙健电子有限公司 | Key testing device |
| CN102944836A (en) * | 2012-11-23 | 2013-02-27 | 广州市天艺电子有限公司 | Musical keyboard test system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700758A (en) * | 2021-01-08 | 2021-04-23 | 吟飞科技(江苏)有限公司 | Percussion pad controller editing method based on light display |
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Application publication date: 20130605 |