54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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#ifndef PLC_UTILS_H
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#define PLC_UTILS_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef enum plc_type
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{
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PLC_TYPE_PASS = 0,
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PLC_TYPE_CONTROLLER_MUTE,
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PLC_TYPE_HEADER_ERROR,
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PLC_TYPE_CRC_ERROR,
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PLC_TYPE_PAD_ERROR,
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PLC_TYPE_DATA_MISSING,
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PLC_TYPE_SEQUENCE_DISCONTINUE,
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PLC_TYPE_BLE_CONFLICT,
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PLC_TYPE_DECODER_ERROR,
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PLC_TYPE_NUM,
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} plc_type_t;
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typedef struct
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{
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uint8_t last_seq_num;
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uint8_t last_pkt[60 * 2];
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// for ble sco conflict
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bool prev_ble_sco_conflict_flag[2];
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// histogram
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uint32_t hist[PLC_TYPE_NUM];
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} PacketLossState;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void packet_loss_detection_init(PacketLossState *st);
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plc_type_t packet_loss_detection_process(PacketLossState *st, uint8_t *sbc_buf);
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/*
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* Update plc type histogram
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* Normally this function is called at the end of packet_loss_detection_process,
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* but if a decoder error occurs outside, it should be updated maually.
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*/
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void packet_loss_detection_update_histogram(PacketLossState *st, plc_type_t plc_type);
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void packet_loss_detection_report(PacketLossState *st);
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#ifdef __cplusplus
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}
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#endif
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#endif
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