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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/*
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#include "SID3E_TesterPresent.h"
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#include "service_cfg.h"
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#include "uds_def.h"
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#define ZERO_SUBFUNCTION (0x00)
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/******************************************************************************
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* 函数名称: bool_t service_3E_check_len(const uint8_t* msg_buf, uint16_t msg_dlc)
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* 功能说明: 检查 3E 服务数据长度是否合法
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* 输入参数: uint16_t msg_dlc --数据长度
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* 输出参数: 无
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* 函数返回: TRUE: 合法; FALSE: 非法
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* 其它说明: 无
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******************************************************************************/
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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;
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if(2 == msg_dlc)
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ret = TRUE;
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return ret;
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}
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/******************************************************************************
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* 函数名称: void service_3E_TesterPresent(const uint8_t* msg_buf, uint16_t msg_dlc)
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* 功能说明: 3E 服务 - 待机握手
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* 输入参数: uint8_t* msg_buf --数据首地址
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uint8_t msg_dlc --数据长度
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* 输出参数: 无
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* 函数返回: 无
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* 其它说明: 无
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******************************************************************************/
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void service_3E_TesterPresent(const uint8_t* msg_buf, uint16_t msg_dlc)
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{
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uint8_t subfunction;
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uint8_t rsp_buf[8];
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subfunction = UDS_GET_SUB_FUNCTION (msg_buf[1]);
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if (subfunction == ZERO_SUBFUNCTION)
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{
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rsp_buf[0] = USD_GET_POSITIVE_RSP(SID_3E);
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rsp_buf[1] = subfunction;
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uds_positive_rsp (rsp_buf,2);
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}
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else
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{
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uds_negative_rsp(SID_3E, NRC_SUBFUNCTION_NOT_SUPPORTED);
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}
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}
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/****************EOF****************/
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