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luban-lite/packages/artinchip/uds/UDSLogic/SID2E_WriteDataByIdentifier.c
刘可亮 3e10f578d3 v1.2.2
2025-10-21 13:59:50 +08:00

66 lines
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/*
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#include "SID2E_WriteDataByIdentifier.h"
#include "service_cfg.h"
#include "uds_def.h"
/******************************************************************************
* 函数名称: bool_t service_2E_check_len(const uint8_t* msg_buf, uint16_t msg_dlc)
* 功能说明: 检查 2E 服务数据长度是否合法
* 输入参数: uint16_t msg_dlc --数据长度
* 输出参数: 无
* 函数返回: TRUE: 合法; FALSE: 非法
* 其它说明: 无
******************************************************************************/
bool_t service_2E_check_len(const uint8_t *msg_buf, uint16_t msg_dlc)
{
bool_t ret = FALSE;
(void)msg_buf;
if (msg_dlc > 4)
ret = TRUE;
return ret;
}
/******************************************************************************
* 函数名称: void service_2E_WriteDataByIdentifier(const uint8_t* msg_buf, uint16_t msg_dlc)
* 功能说明: 2E 服务 - 根据标识符写入数据
* 输入参数: uint8_t* msg_buf --数据首地址
    uint8_t msg_dlc --数据长度
* 输出参数: 无
* 函数返回: 无
* 其它说明: 无
******************************************************************************/
void service_2E_WriteDataByIdentifier(const uint8_t *msg_buf, uint16_t msg_dlc)
{
uint8_t rsp_buf[8];
uint16_t did;
bool_t write_ret = 0;
did = ((uint16_t)msg_buf[1]) << 8;
did |= msg_buf[2];
switch (did) {
case 0x1234:
// write_ret = eeprom_write(xxx, xxx);
if (write_ret) {
rsp_buf[0] = USD_GET_POSITIVE_RSP(SID_2E);
rsp_buf[1] = msg_buf[1];
rsp_buf[2] = msg_buf[2];
uds_positive_rsp(rsp_buf, 3);
} else {
uds_negative_rsp(SID_2E, NRC_GENERAL_PROGRAMMING_FAILURE);
}
break;
default:
uds_negative_rsp(SID_2E, NRC_REQUEST_OUT_OF_RANGE);
break;
}
}
/****************EOF****************/