JP2001084144A - Mobile radio equipment and method for change and addition of function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the addition or change of a function suitable for each user and to improve the reliability of data to be transferred without causing the increase of the size or costs of this device. SOLUTION: When any menu displayed on a display part 5 is selected by the key operation of a key matrix 3, a signal indicating the writing request of a data input(ADDIN) corresponding to the contents of the selected menu is transmitted to an outside device by a control part 2, and a function change and addition program from the outside device is read by a serial control part 10, and stored in an EEPROM 4. Also, the error check of data on transfer or the verify check of the function change and addition program stored in the EEPROM 4 is operated by the serial control part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile radio apparatus suitable for adding or changing functions, and a method for changing the functions thereof.

[0002]

2. Description of the Related Art A conventional mobile radio device such as a portable telephone / PHS has a function of registering / reading out a telephone directory (abbreviated dial, memory dial), for example. However, font data such as displayed characters is fixed,
It can not be changed.

[0003] In addition, ringing sounds such as ringtones and alarm sounds,
It can be created by operating the operation button of the fixed or mobile wireless device. However, since the number of operation buttons of the mobile radio apparatus is limited, the operability at the time of generating a ringing sound is poor.

[0004] Further, the functions are a restriction item of the mobile radio apparatus, and functions beyond manuals cannot be added.

[0005] For this reason, Japanese Patent Application Laid-Open No. 8-1863
In Japanese Patent Laid-Open Publication No. 3 (1993), predetermined data is stored in advance in an auxiliary data card from an external personal computer or the like, the auxiliary data card is mounted on a telephone body, and necessary data is read from the auxiliary data card. .

In Japanese Utility Model Application Laid-Open No. 5-57945,
The program is downloaded by storing data from the program supply device in a memory inside the telephone.

[0007]

However, in the above-mentioned prior art, an auxiliary data card is required in order to store predetermined data from an external personal computer or the like in advance. There is a problem that the cost is increased.

Further, since it is necessary to read out the data once stored in the auxiliary data card, there is a problem that the operability is reduced. Furthermore, since the error check of the data stored in the auxiliary data card is not performed, there is a possibility that the reliability of the data read again may be lacking.

On the other hand, in the latter prior art described above, since the data from the program supply device is simply stored in the internal memory of the telephone, an error check is performed on the data transferred to the internal memory. As described above, there is a possibility that the reliability of the transferred data is lacking as described above.

The present invention has been made in view of such a situation, and makes it easy to add or change a function suitable for each user without causing an increase in the size and cost of the apparatus and to transfer the data. It is an object of the present invention to provide a mobile radio device capable of improving the reliability of data to be transmitted and a method for adding the function thereof.

[0011]

A mobile radio communication device according to claim 1 is a mobile radio device capable of receiving a function change addition program selected from an external device, and is used when various key operations are performed. A key matrix to be operated, a function change addition program, information indicating a menu of the function change addition program, an erasable nonvolatile memory for storing a program indicating an existing operation, and information indicating contents operated by the key matrix. A display unit for displaying volatile memory to be stored, information indicating an operation state by a key operation of a key matrix and a menu of a function change addition program,
A serial control unit that reads the function change addition program and stores it in the non-volatile memory, and controls the operation of each unit based on information stored in the volatile memory, and is displayed on the display unit by key operation of the key matrix. When any one of the menus is selected, the control unit transmits a signal indicating a write request of a data input (ADDIN) corresponding to the content of the selected menu to an external device. In addition, the serial control unit checks the data in the transfer for errors by performing a sum check for each record unit in the format of the function change addition program transferred from the external device. If there is an error, the error is sent to the control unit. When notified, the control unit can cause the display unit to display an error. Also, the serial control unit
A verification check of the function change addition program stored in the non-volatile memory is performed, and if there is an abnormality, the data can be repaired. According to a fourth aspect of the present invention, there is provided a function change adding method for a mobile wireless device in which a function is changed or added by receiving a selected function change adding program from an external device. A first step of performing various key operations using a key matrix; and a second step of storing a function change addition program, information indicating a menu of the function change addition program, and a program indicating an existing operation in an erasable nonvolatile memory. And a third step of storing information indicating the contents operated by the key matrix in the volatile memory, and displaying information indicating an operation state by a key operation of the key matrix and a menu of a function change addition program on the display unit. Fourth
And a fifth step of reading the function change addition program and storing it in the non-volatile memory, and controlling the operation of each unit based on the information stored in the volatile memory,
When any one of the menus displayed on the display unit is selected by a key operation of the key matrix, a signal indicating a write request for data input (ADDIN) corresponding to the content of the selected menu is transmitted to the external device. 6 steps. The fifth step is to perform an error check of data on transfer by performing a sum check for each record unit in the format of the function change addition program transferred from the external device. May include an eighth step of notifying an error, and the sixth step may include a ninth step of displaying an error on a display unit according to the notification. The fifth step includes a tenth step of performing a verify check of the function change addition program stored in the non-volatile memory, and the eleventh step of performing data restoration when there is an abnormality.
And a step of: In the mobile wireless device and the function change addition method according to the present invention, when any one of the menus displayed on the display unit is selected by a key operation of the key matrix, the control unit
Data input (AD) corresponding to the content of the selected menu
DIN) to the external device.
The serial control unit reads the function change addition program from the external device and stores it in the nonvolatile memory, and performs an error check on data during transfer and a verification check of the function change addition program stored in the nonvolatile memory. .

[0012]

Embodiments of the present invention will be described below.

FIG. 1 is a block diagram showing an embodiment of the mobile radio apparatus according to the present invention. FIG. 2 is a flowchart for explaining the operation of the mobile radio apparatus shown in FIG.

A mobile radio apparatus such as a cellular phone / PHS shown in FIG. 1 includes a radio unit 1, a control unit 2, a key matrix 3, an EE
It includes a PROM 4, a display unit 5, a lighting unit 6, a microphone 7, a speaker 8, an antenna 9, a serial control unit 10, and a RAM 11.

The radio section 1 and the antenna 9 transmit and receive radio signals. The control unit 2 controls the operation of each unit. The key matrix 3 is operated when performing various key operations.

EEPR which is an erasable nonvolatile memory
The OM 4 stores data indicating menus for changing font data, changing dictionary files, adding application functions, and changing melody sounds such as ringtones. Further, the EEPROM 4 stores a program indicating a basic function determined at the time of product purchase or a function change addition program selected from an external device such as a personal computer.

The display unit 5 displays an operation state and the like by key operation of the key matrix 3. The illumination unit 6 supplies illumination light to the key matrix 3 and the display unit 5. The microphone 7 captures sound. The speaker 8 outputs a sound.

The serial control section 10 reads a function change addition program from an external device and stores it in the EEPROM 4. Also, while the function change addition program is being read (during data transfer), the serial control unit 10 performs a sum check for each Motorola S-type HEX format record unit, and performs an error check for data during transfer. When there is an error, the error is displayed on the display unit 5.

Further, the serial control unit 10 has an EEPR
A verification check of the function change addition program stored in the OM 4 is performed, and if there is an abnormality, an abnormality countermeasure such as data restoration is performed.

The RAM 11 stores settings of menu functions by key operation of the key matrix 3 and the like.

Next, the operation of the mobile radio apparatus having such a configuration will be described.

First, the mobile radio apparatus is connected to an external device such as a personal computer which provides a function change addition program such as a font data change, a dictionary file change, an application function addition, and a melody sound change function such as a ring tone. Attach to the site.

At this time, a plurality of data input / output terminals (not shown) of the mobile radio device are connected to terminals of an external device. When the mobile wireless device is mounted on an external device, a fixed serial signal is taken into the mobile wireless device from the external device via the data input / output terminal. At this time, when the additional change mode of the program is designated by the key operation of the key matrix 3,
A menu of the function change addition program is displayed on the display unit 5.

As shown in FIG. 2, when one of the menus displayed on the display unit 5 is selected by a key operation of the key matrix 3, the control unit 2 requests the data input (ADDIN) to be written. It is determined that there is (step 201). At this time, data input (ADDI) corresponding to the contents of the menu selected from the control unit 2 to the external device is performed.
A signal indicating the write request N) is output.

The external device transfers a function change addition program corresponding to the signal indicating the write request to the mobile radio device. Then, the transferred function change addition program from the outside is read by the serial control unit 10, and the read program is stored in the EEPROM 4 (step 202).

At this time, while the program is being read (during data transfer), the serial control unit 10 performs a sum check for each record unit of the Motorola S type HEX format, and performs an error check for data during transfer. . If there is an error as a result of the check,
An error is notified to the control unit 2. Upon receiving the notification, the control unit 2 causes the display unit 5 to display an error.

The serial control unit 10 controls the EEP
A verify check of the program stored in the ROM 4 is performed, and if there is an abnormality, an abnormality countermeasure such as data restoration is taken.

On the other hand, if there is no write request for the data input (ADDIN) in (Step 201), the control unit 2 determines in Step 203 whether there is a start function request by the key operation of the key matrix 3. Is determined.

Here, the activation function request is to activate an external program which has been read and stored in the EEPROM 4. In this case, when a key operation of the key matrix 3 is performed, the control unit 2
The menu function setting stored in the AM 11 is referred to.

If it is determined that there is a start function request, a function change addition program corresponding to the start function is started (step 204).
Here, information indicating the function change addition program corresponding to the activation function is stored in the EEPROM 4.

Therefore, the control unit 2 identifies the key operation of the key matrix 3 and reads from the EEPROM 4 information indicating the function change addition program corresponding to the key operation.
Activate the function change addition program already stored.

On the other hand, if there is no activation function request in (step 203), the control unit 2 causes the normal function to operate (step 205).

Here, the normal function is a basic function determined at the time of product purchase, as described above.

As described above, in this embodiment, when any one of the menus displayed on the display unit 5 is selected by the key operation of the key matrix 3, the control unit 2 changes the contents of the selected menu. Corresponding data input (ADDI
N), a signal indicating a write request is sent to an external device, and the serial control unit 10 reads a function change addition program from the external device and stores it in the EEPROM 4, so that a function suitable for each user can be added. And changes can be made many times easily.

Further, since the function change addition program from the external device can be changed as appropriate, not only can the expandability of the mobile radio device be enhanced, but also a function unique to the user can be added.

Further, unlike the related art, there is no need for an auxiliary data card for storing predetermined data from an external personal computer or the like in advance, so that an increase in the size and cost of the apparatus can be suppressed.

Further, since the serial control unit 10 performs an error check of data on transfer and a verify check of the function change addition program stored in the EEPROM 4, the reliability of the transfer data is improved, so that the mobile wireless communication is improved. Malfunction of the device is reliably prevented.

Further, since the function change addition program is stored in the EEPROM 4 which is an erasable non-volatile memory, the function change addition program can be operated even when the power of the mobile radio apparatus is turned off / on.

[0039]

As described above, according to the mobile radio apparatus and the function change adding method according to the present invention, when any one of the menus displayed on the display section is selected by the key operation of the key matrix, the control section is controlled. Sends a signal indicating a write request of the data input (ADDIN) corresponding to the content of the selected menu to the external device, and the serial control unit
Since the function change addition program from the external device is read and stored in the non-volatile memory, the error check of the data on transfer and the verification check of the function change addition program stored in the non-volatile memory are performed.
It is possible to easily add or change a function suitable for each user without increasing the size and cost of the device, and to increase the reliability of the transferred data.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a mobile radio device according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the mobile wireless device of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Radio part 2 Control part 3 Key matrix 4 EEPROM 5 Display part 6 Illumination part 7 Microphone 8 Speaker 9 Antenna 10 Serial control part 11 RAM

Claims (6)

[Claims] 1. A mobile wireless device capable of receiving a function change addition program selected from an external device, comprising: a key matrix operated when performing various key operations; the function change addition program; and the function change An erasable non-volatile memory for storing information indicating a menu of an additional program and a program indicating an existing operation; a volatile memory for storing information indicating contents operated by the key matrix; and a key operation of the key matrix A display unit that displays information indicating an operation state according to the function change addition program and a menu of the function change addition program, a serial control unit that reads the function change addition program and stores the program in the nonvolatile memory, and information stored in the volatile memory. Controls the operation of each unit based on the key operation of the key matrix. A control unit for transmitting a signal indicating a write request of a data input (ADDIN) corresponding to the content of the selected menu to the external device when any one of the menus displayed on the display unit is selected. A mobile radio device characterized by the above-mentioned. 2. The serial control unit performs an error check on data on transfer by performing a sum check for each record unit of the format of the function change addition program transferred from the external device. 2. The control unit, when notifying the control unit of the error, causes the display unit to display an error.
A mobile wireless communication device according to claim 1. 3. The serial control section according to claim 1, wherein the serial control section performs a verification check of the function change addition program stored in the nonvolatile memory, and performs data restoration when there is an abnormality. Mobile radio communication device. 4. A function change addition method for a mobile radio device in which a function is changed or added by receiving a selected function change addition program from an external device, wherein various key operations are performed by a key matrix. A first step, a second step of storing the function change addition program, information indicating a menu of the function change addition program, and a program indicating an existing operation in an erasable non-volatile memory; and operating with the key matrix. A third step of storing information indicating the performed contents in a volatile memory; and a fourth step of displaying information indicating an operation state by a key operation of the key matrix and a menu of the function change addition program on a display unit. A fifth step of reading the function change addition program and storing the read program in the nonvolatile memory; Controls the operation of each unit based on the received information, and when any one of the menus displayed on the display unit is selected by a key operation of the key matrix, data corresponding to the content of the selected menu. Transmitting a signal indicating a write request for an input (ADDIN) to the external device. 5. In the fifth step, a sum check for each record unit of the format of the function change addition program transferred from the external device is performed.
A seventh step of performing an error check on data on transfer; and an eighth step of notifying the error when there is an error. The sixth step includes displaying the display unit in accordance with the notification. The method according to claim 4, further comprising a ninth step of displaying an error. 6. The fifth step includes a tenth step of performing a verify check of the function change addition program stored in the non-volatile memory, and an eleventh step of performing data restoration when there is an abnormality. The method according to claim 4, further comprising the steps of: