foxBMS  1.2.0
The foxBMS Battery Management System API Documentation
can_cbs_rx_imd.c
Go to the documentation of this file.
1 /**
2  *
3  * @copyright © 2010 - 2021, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
4  * All rights reserved.
5  *
6  * SPDX-License-Identifier: BSD-3-Clause
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright notice, this
12  * list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright notice,
15  * this list of conditions and the following disclaimer in the documentation
16  * and/or other materials provided with the distribution.
17  *
18  * 3. Neither the name of the copyright holder nor the names of its
19  * contributors may be used to endorse or promote products derived from
20  * this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  * We kindly request you to use one or more of the following phrases to refer to
34  * foxBMS in your hardware, software, documentation or advertising materials:
35  *
36  * - ″This product uses parts of foxBMS®″
37  * - ″This product includes parts of foxBMS®″
38  * - ″This product is derived from foxBMS®″
39  *
40  */
41 
42 /**
43  * @file can_cbs_rx_imd.c
44  * @author foxBMS Team
45  * @date 2021-04-20 (date of creation)
46  * @updated 2021-06-09 (date of last update)
47  * @ingroup DRIVER
48  * @prefix CAN
49  *
50  * @brief CAN driver Rx callback implementation
51  * @details CAN Rx callback for IMD messages
52  */
53 
54 /*========== Includes =======================================================*/
55 #include "can_cbs.h"
56 #include "can_helper.h"
57 #include "foxmath.h"
58 
59 /*========== Macros and Definitions =========================================*/
60 
61 /*========== Static Constant and Variable Definitions =======================*/
62 
63 /*========== Extern Constant and Variable Definitions =======================*/
64 
65 /*========== Static Function Prototypes =====================================*/
66 
67 /*========== Static Function Implementations ================================*/
68 
69 /*========== Extern Function Implementations ================================*/
70 extern uint32_t CAN_RxImdInfo(
71  uint32_t id,
72  uint8_t dlc,
73  CAN_ENDIANNESS_e endianness,
74  uint8_t *pCanData,
75  uint8_t *pMuxId,
76  const CAN_SHIM_s *const kpkCanShim) {
77  /* This handler is only implemented for little endian */
78  FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
79  /* pMuxId is not used here, therefore has to be NULL_PTR */
80  FAS_ASSERT(pMuxId == NULL_PTR);
81 
82  FAS_ASSERT(id < CAN_MAX_11BIT_ID); /* Currently standard ID, 11 bit */
83  FAS_ASSERT(dlc <= CAN_MAX_DLC); /* Currently max 8 bytes in a CAN frame */
84  const uint8_t boundedDlc = MATH_MinimumOfTwoUint8_t(dlc, CAN_MAX_DLC);
85  FAS_ASSERT(pCanData != NULL_PTR);
86  FAS_ASSERT(kpkCanShim != NULL_PTR);
87  CAN_BUFFERELEMENT_s canMessage = {0};
88  uint32_t retVal = 1u;
89 
90  canMessage.id = id;
91  for (uint8_t i = 0; i < boundedDlc; i++) {
92  canMessage.data[i] = pCanData[i];
93  }
94  if (pdPASS == xQueueSendToBack(*(kpkCanShim->pQueueImd), (void *)&canMessage, 0u)) {
95  retVal = 0u;
96  }
97  return retVal;
98 }
99 
100 extern uint32_t CAN_RxImdResponse(
101  uint32_t id,
102  uint8_t dlc,
103  CAN_ENDIANNESS_e endianness,
104  uint8_t *pCanData,
105  uint8_t *pMuxId,
106  const CAN_SHIM_s *const kpkCanShim) {
107  /* This handler is only implemented for little endian */
108  FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
109  /* pMuxId is not used here, therefore has to be NULL_PTR */
110  FAS_ASSERT(pMuxId == NULL_PTR);
111 
112  FAS_ASSERT(id < CAN_MAX_11BIT_ID); /* Currently standard ID, 11 bit */
113  FAS_ASSERT(dlc <= CAN_MAX_DLC); /* Currently max 8 bytes in a CAN frame */
114  const uint8_t boundedDlc = MATH_MinimumOfTwoUint8_t(dlc, CAN_MAX_DLC);
115  FAS_ASSERT(pCanData != NULL_PTR);
116  FAS_ASSERT(kpkCanShim != NULL_PTR);
117  CAN_BUFFERELEMENT_s canMessage = {0};
118  uint32_t retVal = 1u;
119 
120  canMessage.id = id;
121  for (uint8_t i = 0; i < boundedDlc; i++) {
122  canMessage.data[i] = pCanData[i];
123  }
124  if (pdPASS == xQueueSendToBack(*(kpkCanShim->pQueueImd), (void *)&canMessage, 0u)) {
125  retVal = 0u;
126  }
127  return retVal;
128 }
129 
130 /*========== Externalized Static Function Implementations (Unit Test) =======*/
CAN callbacks header.
uint32_t CAN_RxImdInfo(uint32_t id, uint8_t dlc, CAN_ENDIANNESS_e endianness, uint8_t *pCanData, uint8_t *pMuxId, const CAN_SHIM_s *const kpkCanShim)
can rx callback function for IMD info messages
uint32_t CAN_RxImdResponse(uint32_t id, uint8_t dlc, CAN_ENDIANNESS_e endianness, uint8_t *pCanData, uint8_t *pMuxId, const CAN_SHIM_s *const kpkCanShim)
can rx callback function for IMD response messages
@ CAN_LITTLE_ENDIAN
Definition: can_cfg.h:291
#define CAN_MAX_11BIT_ID
Definition: can_cfg.h:85
enum CAN_ENDIANNESS CAN_ENDIANNESS_e
#define CAN_MAX_DLC
Definition: can_cfg.h:87
Headers for the helper functions for the CAN module.
#define FAS_ASSERT(x)
Assertion macro that asserts that x is true.
Definition: fassert.h:237
uint8_t MATH_MinimumOfTwoUint8_t(const uint8_t value1, const uint8_t value2)
Returns the minimum of the passed uint8_t values.
Definition: foxmath.c:136
math library for often used math functions
#define NULL_PTR
Null pointer.
Definition: fstd_types.h:66
uint8_t data[CAN_MAX_DLC]
Definition: can_cfg.h:299
uint32_t id
Definition: can_cfg.h:298
QueueHandle_t * pQueueImd
Definition: can_cfg.h:304