Dual first and second pointer for memory mapped interface communication with lower indicating process
Abstract:
A set of data entries is transferred via a memory mapped interface from an external peripheral device to a processor device and is stored in a shared memory region. Based on a first pointer to the shared memory region, a first process executed by the processor device processes a first group of the data entries. Based on a second pointer to the shared memory region, a second process executed by the processor device processes a second group of the data entries. The second process indicates the second pointer to the first process. The first process indicates a lower one of the first pointer and the second pointer to the peripheral device.
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