This examPLe provides a description of how to set a communication with the bxCAN
in loopback mode:
- transmit and receive a standard data frame by polling at 100Kbit/S
- transmit and receive an extended data frame with interrupt at 500Kbit/S
- lit some LEDs depending of the program succeed or not
This examPLe provides a description of how to use a DMA channel to transfer a
word data buffer from memory (Flash) to memory (RAM).
The dedicated DMA channel is configured to transfer once a time a 32 word data buffer
stored as constant in the Flash memory to another buffer in the RAM memory.
The received data are stored in the DST_Buffer.
The DMA channel transfer complete interrupt is enabled to generate an interrupt at
the end of the buffer transfer. As soon as the transfer is completed an interrupt is
generated and in the DMA channel interrupt routine the transfer complete interrupt
pending bit is cleared.
The data counter is stored before and after the transfer to show that all data has been
transfered.
TransferStatus gives the data transfer status where it is PASSED if transmitted and
received data are the same otherwise it is FAILED
This application note provides a software driver examPLe for 39VF1601/39VF1602
16 Mbit Multi-Purpose Flash (MPF+) that can be used in any microprocessor based
system.
