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76 lines
2.1 KiB
C
76 lines
2.1 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 "SID19_ReadDTCInformation.h"
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#include "service_cfg.h"
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#include "uds_def.h"
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#define REPORT_DTC_NUMBER_BY_STATUS_MASK (0x01)
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#define REPORT_DTC_BY_STATUS_MASK (0x02)
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#define REPORT_DTC_SNOPSHOT_BY_DTC_NUMBER (0x04)
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#define REPORT_DTC_EXTENDED_DATA_RECORD_BY_DTC_NUMBER (0x06)
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#define REPORT_SUPPORTED_DTC (0x0a)
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/******************************************************************************
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* 函数名称: bool_t service_19_check_len(const uint8_t* msg_buf, uint16_t msg_dlc)
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* 功能说明: 检查 19 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_19_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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return ret;
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}
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/******************************************************************************
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* 函数名称: void service_19_ReadDTCInformation(const uint8_t* msg_buf, uint16_t msg_dlc)
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* 功能说明: 19 服务 - 读取故障码信息
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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_19_ReadDTCInformation(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[64];
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subfunction = UDS_GET_SUB_FUNCTION (msg_buf[1]);
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switch (subfunction)
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{
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case REPORT_DTC_NUMBER_BY_STATUS_MASK:
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{
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uint16_t dtc_count;
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dtc_count = 5; // example
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rsp_buf[0] = USD_GET_POSITIVE_RSP(SID_19);
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rsp_buf[1] = subfunction;
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rsp_buf[2] = 0x7F;
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rsp_buf[3] = 1; // 14229
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rsp_buf[4] = (uint8_t)dtc_count;
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rsp_buf[5] = (dtc_count >> 8) & 0xFF;
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uds_positive_rsp (rsp_buf, 6);
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break;
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}
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default:
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uds_negative_rsp(SID_19, NRC_SUBFUNCTION_NOT_SUPPORTED);
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break;
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}
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}
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/****************EOF****************/
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