79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
#ifndef CONFIG_H
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#define CONFIG_H
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#define CAN_CONFIG_LOADED
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// -----------------------------------------------------------------------------
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/* Global settings for building the can-lib and application program.
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*
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* The following two #defines must be set identically for the can-lib and
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* your application program. They control the underlying CAN struct. If the
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* settings disagree, the underlying CAN struct will be broken, with
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* unpredictable results.
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* If can.h detects that any of the #defines is not defined, it will set them
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* to the default values shown here, so it is in your own interest to have a
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* consistent setting. Ommiting the #defines in both can-lib and application
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* program will apply the defaults in a consistent way too.
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*
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* Select if you want to use 29 bit identifiers.
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*/
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#define SUPPORT_EXTENDED_CANID 1
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/* Select if you want to use timestamps.
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* Timestamps are sourced from a register internal to the AT90CAN.
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* Selecting them on any other controller will have no effect, they will
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* be 0 all the time.
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*/
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#define SUPPORT_TIMESTAMPS 0
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// -----------------------------------------------------------------------------
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/* Global settings for building the can-lib.
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*
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* Select ONE CAN controller for which you are building the can-lib.
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*/
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#define SUPPORT_MCP2515 0
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#define SUPPORT_AT90CAN 1
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#define SUPPORT_SJA1000 0
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// -----------------------------------------------------------------------------
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/* Setting for MCP2515
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*
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* Declare which pins you are using for communication.
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* Remember NOT to use them in your application!
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* It is a good idea to use bits from the port that carries MOSI, MISO, SCK.
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*/
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#define MCP2515_CS B,4
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#define MCP2515_INT B,2
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// -----------------------------------------------------------------------------
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// Setting for SJA1000
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#define SJA1000_INT E,0
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#define SJA1000_MEMORY_MAPPED 1
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// memory-mapped interface
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#define SJA1000_BASE_ADDR 0x8000 // for ATMega162
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/*
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// port-interface
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#define SJA1000_WR D,6
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#define SJA1000_RD D,7
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#define SJA1000_ALE E,1
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#define SJA1000_CS C,0
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#define SJA1000_DATA A
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*/
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// -----------------------------------------------------------------------------
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// Setting for AT90CAN
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// Number of CAN messages which are buffered in RAM additinally to the MObs
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#define CAN_RX_BUFFER_SIZE 16
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#define CAN_TX_BUFFER_SIZE 8
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// only available if CAN_TX_BUFFER_SIZE > 0
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#define CAN_FORCE_TX_ORDER 1
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#endif // CONFIG_H
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