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luban-lite/packages/artinchip/uds/UDSLogic/SID3E_TesterPresent.c

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/*
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#include "SID3E_TesterPresent.h"
#include "service_cfg.h"
#include "uds_def.h"
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#define ZERO_SUBFUNCTION (0x00)
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/******************************************************************************
* : bool_t service_3E_check_len(const uint8_t* msg_buf, uint16_t msg_dlc)
* : 3E
* : uint16_t msg_dlc --
* :
* : TRUE: ; FALSE:
* :
******************************************************************************/
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bool_t service_3E_check_len(const uint8_t *msg_buf, uint16_t msg_dlc)
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{
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bool_t ret = FALSE;
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(void)msg_buf;
if (2 == msg_dlc)
ret = TRUE;
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return ret;
}
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/******************************************************************************
* : void service_3E_TesterPresent(const uint8_t* msg_buf, uint16_t msg_dlc)
* : 3E -
* : uint8_t* msg_buf --
    uint8_t msg_dlc --
* :
* :
* :
******************************************************************************/
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void service_3E_TesterPresent(const uint8_t *msg_buf, uint16_t msg_dlc)
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{
uint8_t subfunction;
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uint8_t rsp_buf[8];
subfunction = UDS_GET_SUB_FUNCTION(msg_buf[1]);
if (subfunction == ZERO_SUBFUNCTION) {
rsp_buf[0] = USD_GET_POSITIVE_RSP(SID_3E);
rsp_buf[1] = subfunction;
uds_positive_rsp(rsp_buf, 2);
} else {
uds_negative_rsp(SID_3E, NRC_SUBFUNCTION_NOT_SUPPORTED);
}
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}
/****************EOF****************/