Self-feedback output system and method based on analog-to-digital conversion sampling module

Abstract

The invention relates to the technical field of electronic communication, in particular to a self-feedback output system based on an analog-to-digital conversion sampling module, which is characterized by comprising a core processor; the digital-to-analog conversion output module is connected with the core processor through a peripheral equipment interface and outputs analog data through an output interface under the operation instruction of the core processor; and the analog-to-digital conversion sampling module is connected with the core processor and the output interface and is used for sampling analog data output by the output interface to obtain a sampling signal and feeding back the sampling signal to the core processor. According to the invention, the independent analog-to-digital conversion sampling module is designed, when the digital-to-analog conversion output module is started, the analog-to-digital conversion sampling module synchronously starts sampling, the data is calculated by the core processor and then is compared with the set output data, whether the output deviation of the digital-to-analog conversion output module is normal or not is judged, and the output of the digital-to-analog conversion output module is adjusted in time.

Description

technical field [0001] The invention relates to the technical field of electronic communication, in particular to a self-feedback output system and method based on an analog-to-digital conversion sampling module. Background technique [0002] When using a separate digital-to-analog conversion output module for multi-channel data output, it cannot be guaranteed whether each channel of the digital-to-analog conversion output module actually outputs normally, and during the actual output process of the digital-to-analog conversion output module, it cannot be guaranteed that the output of the digital-to-analog conversion module is not guaranteed. Whether the data deviates from the target data, when the digital-to-analog conversion output module is actually applied to the detection device, it is impossible to determine whether the error in the output result of the digital-to-analog conversion output module comes from the signal of the real scene or the error of the detection instr...

AI Technical Summary

Problems solved by technology

[0002] When a separate digital-to-analog conversion output module is used for multi-channel data output, it cannot be guaranteed whether the actual output of each channel of the digital-to-analog conversion output module is normal, and in the actual output process of the digital-to-analog conversion output module, the output of the digital-to-analog conversion module cannot be guaranteed. Whether the data deviates from the target data, when the digital-to-analog conversion output module is actually applied to the detection device, it is impossible to judge whether the error in the output result of the digital-to-analog conversion output module comes from the signal of the real scene or the error of the detection instrument itself

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