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/*
* @copyright Copyright (c) 2017-2020 TOYOTA MOTOR CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Information.
* This source code is a sample source code .
* Implementation of the function must be performed by the vendor.
*/
#include "can_hal_core.h"
#include "can_hal_stm.h"
#include <stdio.h>
#include <pthread.h>
#include <string.h>
#include <assert.h>
CANHAL_RET_API CanOpen(HANDLE h_app, CanHalType type) {
CANHAL_RET_API ret = CANHAL_RET_ERR_ERR;
if (!TypeIsValid(type)) {
return CANHAL_RET_ERR_PARAM;
}
if (!h_app) {
return CANHAL_RET_ERR_PARAM;
}
if (IsCanHalOpened(type)) {
return CANHAL_RET_NORMAL;
}
if (IsDeviceEnabled(type)) {
return CANHAL_RET_NORMAL;
}
ret = CanOpenCore(type);
if (CANHAL_RET_NORMAL != ret) {
return ret;
}
ret = CanHalCreateInternalThread(h_app, type);
if (CANHAL_RET_NORMAL != ret) {
CanCloseCore(type);
return ret;
}
SetDeviceStateEnable(type);
SetCanHalStateOpen(type);
InvokeStateCallback(type);
return ret;
}
CANHAL_RET_API CanClose(HANDLE h_app, CanHalType type) {
CANHAL_RET_API ret = CANHAL_RET_ERR_ERR;
if (!TypeIsValid(type)) {
return CANHAL_RET_ERR_PARAM;
}
if (!h_app) {
return CANHAL_RET_ERR_PARAM;
}
if (!IsCanHalOpened(type)) {
return CANHAL_RET_NORMAL;
}
if (IsDeviceEnabled(type)) {
ret = CanCloseCore(type);
if (CANHAL_RET_NORMAL != ret)
return ret;
}
ret = CanHalDestroyInternalThread(h_app, type);
if (CANHAL_RET_NORMAL != ret)
return ret;
SetDeviceStateDisable(type);
SetCanHalStateClose(type);
InvokeErrorCallback(h_app, type);
return ret;
}
static CANHAL_RET_API CanSendCommonCheck(const void *message,
enum CanHalType type) {
if (!TypeIsValid(type)) {
return CANHAL_RET_ERR_PARAM;
}
if (!message) {
return CANHAL_RET_ERR_PARAM;
}
if (!IsCanHalOpened(type)) {
return CANHAL_RET_ERR_STATE;
}
if (!IsDeviceEnabled(type)) {
return CANHAL_RET_ERR_STATE;
}
return CANHAL_RET_NORMAL;
}
CANHAL_RET_API CanSend(HANDLE h_app,
const CanMessage *message, enum CanHalType type) {
CANHAL_RET_API ret = CANHAL_RET_ERR_ERR;
void *_message = NULL;
ssize_t sz = 0;
ret = CanSendCommonCheck(message, type);
if (ret != CANHAL_RET_NORMAL)
return ret;
if (!h_app) {
return CANHAL_RET_ERR_PARAM;
}
if (CAN_NORMAL_MESSAGE_LEN < message->dlc) {
return CANHAL_RET_ERR_PARAM;
}
_message = CanHalPackMessage(h_app, (const void *)message,
sizeof(CanMessage), &sz);
if (!_message)
return CANHAL_RET_ERR_ERR;
ret = CanHalInternalSend(type, _message, sz);
CanHalDestroyPackedMessage(_message);
return ret;
}
CANHAL_RET_API CanGetVersion(HANDLE h_app, std::string *p_version) {
CanHalType type = CAN_HAL_TYPE_CAN;
if (!h_app) {
return CANHAL_RET_ERR_PARAM;
}
if (!IsCanHalOpened(type)) {
return CANHAL_RET_ERR_STATE;
}
if (!IsDeviceEnabled(type)) {
return CANHAL_RET_ERR_STATE;
}
if (NULL == p_version) {
return CANHAL_RET_ERR_PARAM;
}
*p_version = "FFFF";
return CANHAL_RET_NORMAL;
}
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