DSP (Digital Signal Processor) programming method based on CAN (Controller Area Network) bus
A CAN bus and program technology, which is applied in the field of DSP program programming based on CAN bus, can solve the problems of slow programming time, inability to realize remote programming, inconvenient target board update, etc.
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[0023] Describe technical scheme of the present invention in further detail below in conjunction with accompanying drawing: as figure 1 Shown, the DSP programming method based on CAN bus, it comprises the following steps:
[0024] S1: if figure 2 As shown, connect the DSP and the host computer.
[0025] S2: The upper computer sends the FLASH erasing command to the DSP through the CAN bus.
[0026] S3: The DSP receives the command, configures parameters, verifies the API version, and unlocks the password. If it succeeds, it proceeds to step S4. If it fails, it uploads the error information to the host computer and returns to step S2.
[0027] S4: The DSP uses the FLASH erase function to erase the designated FLASH area. If the erase is successful, upload the erase completion flag to the host computer and proceed to step S5. If it fails, upload the error message to the host computer and return to step S2.
[0028] S5: The upper computer receives the erasing completion flag, a...
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