Self checking implementation method of vehicle-mounted remote monitoring terminal
An implementation method and remote monitoring technology, applied in the direction of electrical testing/monitoring, etc., can solve problems such as damage, terminal plug-in drop-off, and difficulty in ensuring the normal operation of the terminal, so as to ensure normal operation, improve stability, and realize self-inspection and recovery. Effect
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[0018] The present invention will be further described below in conjunction with the drawings and embodiments.
[0019] This embodiment provides a self-check implementation method for a vehicle-mounted remote monitoring terminal, which is characterized in that it includes GPS self-check, speaker self-check, and internal memory self-check of the terminal; the GPS self-check is read by the ADC of the terminal MCU The working voltage or current of the GPS antenna, and according to the voltage or current, it is judged whether the GPS antenna is in a state of normal, falling off, or short circuit; the self-checking of the horn is by sending a signal from the MCU of the terminal to the horn, The ADC of the MCU reads the working current of the speaker, and judges the status of the speaker according to the current; the internal memory self-check is to read and write specific areas in the memory each time the terminal is initialized. If there is an error, the memory An error interrupt is...
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