25 lines
713 B
C
25 lines
713 B
C
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#ifndef UCMB_AVR8_H_
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#define UCMB_AVR8_H_
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#include <stdint.h>
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/* Max length of the message payload. */
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#define UCMB_MAX_MSG_LEN 0x200
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/* ucmb_rx_message - Message receive callback.
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* Define this elsewhere. It's called on successful retrieval
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* of a new message.
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* If a reply message has to be transferred after this one, put the
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* message payload into the "payload" buffer and return the number
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* of bytes to transmit. If no reply message is needed, return 0.
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* Note that the "payload" buffer always has a size of UCMB_MAX_MSG_LEN.
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*/
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extern uint16_t ucmb_rx_message(uint8_t *payload,
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uint16_t payload_length);
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/* Initialize the UCMB subsystem. */
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void ucmb_init(void);
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#endif /* UCMB_AVR8_H_ */
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