74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef HTBUS_PROTO_H
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#define HTBUS_PROTO_H
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/* os shim includes */
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#include "os_types.h"
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/* public api includes */
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#include "plc_fr.h"
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#include "plc_utils.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* TEI definitions */
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#define HTBUS_TEI_INVAL (0)
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#define HTBUS_TEI_CCO (1)
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#define HTBUS_TEI_FIRST (1)
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/* #define number of nodes supported in the HTBUS network */
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#define HTBUS_NETWORK_SCALE (2)
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#define HTBUS_TEI_LAST (HTBUS_NETWORK_SCALE)
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#define HTBUS_TEI_MAX_NUM (HTBUS_TEI_LAST - HTBUS_TEI_FIRST + 1)
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#define HTBUS_TEI_BCAST (0xFF)
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#define HTBUS_TEI_IS_VALID(__tei) \
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((__tei) >= HTBUS_TEI_FIRST && (__tei) <= HTBUS_TEI_LAST)
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#define HTBUS_TEI_BM_SIZE iot_ceil(HTBUS_TEI_MAX_NUM, 8)
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#pragma pack(push) /* save the pack status */
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#pragma pack(1) /* 1 byte align */
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/* #define htbus service data unit function code */
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#define HTBUS_PROTO_FN_COMM_TEST 0xF
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/* htbus service Data Unit header */
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typedef struct {
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/* destination tei, see HTBUS_TEI_XXX */
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uint8_t src_tei;
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/* source tei, see HTBUS_TEI_XXX */
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uint8_t dst_tei;
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/* seq number */
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uint8_t sn;
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/* function code, see HTBUS_PROTO_FN_XXX */
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uint16_t fn :4,
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/* data len */
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len :12;
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/* payload label */
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uint8_t data[0];
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} htbus_sdu_hdr_t;
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#pragma pack(pop) /* restore the pack status */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HTBUS_PROTO_H */
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