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Method for compatibility control over serial port screen

A control method and serial screen technology, applied in the field of electronics, can solve problems affecting the development of the industry, and achieve the effect of multi-purpose on the front line

Inactive Publication Date: 2014-05-21
NINGBO SAGEREAL COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the particularity of the serial screen, there is no data reading line, and there has been no compatibility of multiple LCD displays in the industry, which has affected the development of the entire industry.

Method used

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  • Method for compatibility control over serial port screen
  • Method for compatibility control over serial port screen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 As shown, the compatible control method of the serial port screen provided by this embodiment includes a software compatible method and a hardware compatible method. The software compatible method is applicable to a plurality of LCD screens that need to be compatible with different ICs. On the contrary, the hardware compatible The method is applicable to multiple LCD displays that need to be compatible with the same IC; the specific process of the method is: after starting S1 and power-on reset S2, according to the same degree of ICs of multiple LCD displays that need to be compatible, use the corresponding compatible method, and finally light up the LCD after selecting the driver. In the specific use process, there are mainly the following three modes:

[0016] When multiple LCD displays that need to be compatible have different ICs, before normal data input, first configure the output port as GPIO mode S3, and then use software to simulate the serial...

Embodiment 2

[0020] The compatible control method of the serial port screen provided by this embodiment is generally consistent with that of Embodiment 1, but in specific use, in order to prevent accidents from happening, in the software compatible method, when the LCD display screen reads incorrectly for the first time When the ID value is reached, the software will loop; when the first reading is all incorrect, it will re-read three times, if it is correct, it will perform the corresponding initialization, if it is still incorrect, it will execute the mass production driver in the default state, so that It can prevent to the greatest extent that when all problems are read, it can still be displayed correctly.

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Abstract

The invention discloses a method for compatibility control over a serial port screen. The method relates to a software compatibility method and a hardware compatibility method. The software compatibility method comprises the steps that an output port is set to be a GPIO mode through configuration, a serial port is simulated through software, after an ID value is read, the configured GPIO port is immediately restored to a hardware serial port in mode, and according to the read ID value, a driver is selected; the hardware compatibility method comprises the steps that an LCD-ID pin of hardware is configured and connected to an ADC of a baseband chip and a driver is selected according to a read ADC value. The method for compatibility control over the serial port screen has the technical advantages that the serial port screen is compatible through the software compatibility method and the hardware compatibility method and the one-line multipurpose function of input and output is achieved.

Description

technical field [0001] The invention relates to an electronic field, in particular to a compatible control method for a serial screen. Background technique [0002] With the popularity of mobile phones around the world, different consumers have different needs. Some consumers need large screen and high-resolution mobile phones; there are also many consumers and operators who customize phones, limited by various hardware conditions. Choose an ordinary phone with a small screen. For the former, the transmission speed requirements are very high, and most of them choose MIPI interface or parallel port; while the latter can choose serial port screen, which has the advantage of less data lines and is convenient for printed circuit board (PCB) routing, and the price is much cheaper than the former, but the disadvantages It is the low resolution and the anti-interference ability is not as good as the former. [0003] Due to the development of the times and the day-to-day competiti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/10
Inventor 王维丁明杰范超群宁丽芳张先平张浙峰
Owner NINGBO SAGEREAL COMM