Mobile phones communication processor causing death error information instantaneously displaying method

A communication processor, fatal error technology, used in electrical digital data processing, error detection/correction, instrumentation, etc., can solve the problem of inability to determine the sequence of processor crashes

Inactive Publication Date: 2008-05-14
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using the above commonly used method of obtaining crash information, it is impossible to judge the crash sequence of the two processors.

Method used

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  • Mobile phones communication processor causing death error information instantaneously displaying method
  • Mobile phones communication processor causing death error information instantaneously displaying method
  • Mobile phones communication processor causing death error information instantaneously displaying method

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] As shown in Figure 1, there is a serial port 3 for connection between the communication processor 1 and the application processor 2 of the mobile phone. 1 for control, the display screen 5 is directly connected with the application processor 2, and the application processor 2 can send data to the display screen 5 and display the data.

[0032] After the communication processor 1 crashes, there are two problems to be solved in the way of sending data to the application processor 2 through the serial port 3. First, if the application processor 2 is in a sleep state and cannot receive serial port messages immediately, it is necessary to wake up the application processor 2 first. . The second is that the usual serial port transceiver needs to use the serial port interrupt, and the serial port data transmission cannot use the interrupt when the commu...

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Abstract

The invention discloses a method for instantly displaying fatal error information of a communication processor of a mobile phone. When a fatal error occurs in the program operation of the communication processor, it jumps to the crash processing step; firstly, the lock interrupt operation is performed on other hardware devices; By changing the level of a connection line with the application processor, a notification of fatal error information is issued; the application processor responds to the level change interrupt and stops all current operations, including the interactive operation between the application processor and the communication processor , and clear the serial port buffer, ready to receive fatal error information; the communication processor resets the serial port hardware, and sends the fatal error information to the application processor through the serial port; finally, after the application processor receives the fatal error information, it displays the information on the mobile phone screen It can quickly and effectively find and solve the fatal error information of the mobile phone communication processor.

Description

technical field [0001] The invention belongs to the technical field of mobile communication terminals, and in particular relates to a method for displaying fatal error information in a communication processor software program in a mobile phone. Background technique [0002] More than two processors are often integrated in current mobile communication terminal products, one of which is an application processor used to control the terminal product, and the other is a communication processor used to control mobile communication functions. If it is a dual-mode machine, it includes two communication processors, and one of the processors is used as an application processor at the same time. Information exchange is performed between the application processor and the communication processor through a serial port, and usually the application processor acts as a master control terminal to control the communication processor. [0003] The processor is controlled by software, as long a...

Claims

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Application Information

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IPC IPC(8): G06F11/28H04Q7/32H04M1/72403
Inventor 姚利刚
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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