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28 lines
705 B
28 lines
705 B
2 years ago
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#pragma once
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#define CANPACKET_HEAD_SIZE 6U
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2 months ago
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// TODO: this is always CANFD
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1 year ago
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#if !defined(STM32F4)
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2 years ago
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#define CANFD
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#define CANPACKET_DATA_SIZE_MAX 64U
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#else
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#define CANPACKET_DATA_SIZE_MAX 8U
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#endif
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typedef struct {
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2 months ago
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unsigned char fd : 1;
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2 years ago
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unsigned char bus : 3;
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unsigned char data_len_code : 4; // lookup length with dlc_to_len
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unsigned char rejected : 1;
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unsigned char returned : 1;
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unsigned char extended : 1;
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unsigned int addr : 29;
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unsigned char checksum;
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unsigned char data[CANPACKET_DATA_SIZE_MAX];
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} __attribute__((packed, aligned(4))) CANPacket_t;
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#define GET_BUS(msg) ((msg)->bus)
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#define GET_LEN(msg) (dlc_to_len[(msg)->data_len_code])
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#define GET_ADDR(msg) ((msg)->addr)
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