Firmware system data transmission method and burning device thereof
A system data and transmission method technology, applied in program control devices, electrical digital data processing, software deployment, etc., can solve problems such as limited storage space, and achieve the effects of convenient operation, convenient after-sales maintenance, and efficient testing.
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Embodiment 1
[0062] According to a first aspect of the present invention, there is provided a method for data transmission of firmware system that only needs to be carried out on the transmission unit of the PC control module, comprising the following steps:
[0063] S1. Turn on the PC side, power on the embedded mainboard, and connect the embedded mainboard to the PC; open the transmission unit of the PC control module and connect it to the embedded mainboard;
[0064] S2. Turn on the PC control module, call the native tool to burn ExtBoot to the embedded motherboard;
[0065] S3. The embedded motherboard restarts, runs the ExtBoot system, and reports the Ready indicator signal;
[0066] S4. The PC control module receives the Ready indication signal, the handshake is successful, and starts to send control commands and data transmission; the transmission unit of the PC control module sets the communication parameters, loads the data, sends the start transmission command, waits for the hand...
Embodiment 2
[0101] Such as figure 1 As shown, the present invention also provides a device for burning firmware system data, including:
[0102] PC control module 1: Call the native tool to burn ExtBoot to the embedded motherboard, receive the Ready indicator signal, send control commands and data transmission, call the native tool to burn the firmware kernel to the embedded motherboard;
[0103] Embedded device main board 2: Run the ExtBoot system, report the Ready indicator signal, receive and process instructions and data, reply the response information, and complete the firmware burning;
[0104] The PC control module 1 is connected with the motherboard 2 of the embedded device.
[0105] Concrete PC control module 1 includes:
[0106] Read data unit 3: responsible for reading firmware system data into PC memory for preprocessing;
[0107] Encapsulating data unit 4; responsible for encapsulating the firmware system data into frame data according to the protocol;
[0108] Transmissi...
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