Method for realizing upgrade and maintenance of equipment programs based on USB Host and U disc
A technology of program upgrade and USB interface, which is applied in the field of MCU application to achieve the effect of improving work efficiency and reducing construction difficulty
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[0023] In order to understand the present invention more clearly, describe the present invention in detail in conjunction with accompanying drawing and embodiment:
[0024] Such as figure 1 As shown, the MCU in this embodiment adopts LPC1765 of NXP Company, which is a microcontroller based on ARM Cortex-M3, and can be used for embedded devices with high integration and low power consumption.
[0025] The program upgrade and maintenance of the embedded device is realized under the control of the prefabricated software in the MCU through the LPC1765 with the USB Host controller and the U disk.
[0026] After the data U disk is inserted into the device, the USB Host controller of LPC1765 will complete the enumeration of the data U disk and read the configuration file under the control of the program.
[0027] Such as figure 2 Shown is the program running process:
[0028] The program determines the current task that needs to be performed by identifying the keywords in the con...
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