mbed library sources
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targets/cmsis/TARGET_STM/TARGET_NUCLEO_F334R8/stm32f3xx_hal_can.c@237:f3da66175598, 2014-06-24 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Jun 24 14:45:08 2014 +0100
- Revision:
- 237:f3da66175598
- Child:
- 375:3d36234a1087
Synchronized with git revision 8ef659bca81f12dfc896b5a7af7c2abbd1a1b8b7
Full URL: https://github.com/mbedmicro/mbed/commit/8ef659bca81f12dfc896b5a7af7c2abbd1a1b8b7/
[NUCLEO_F334R8] Add platform files
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 237:f3da66175598 | 1 | /** |
mbed_official | 237:f3da66175598 | 2 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 3 | * @file stm32f3xx_hal_can.c |
mbed_official | 237:f3da66175598 | 4 | * @author MCD Application Team |
mbed_official | 237:f3da66175598 | 5 | * @version V1.0.1 |
mbed_official | 237:f3da66175598 | 6 | * @date 18-June-2014 |
mbed_official | 237:f3da66175598 | 7 | * @brief CAN HAL module driver. |
mbed_official | 237:f3da66175598 | 8 | * |
mbed_official | 237:f3da66175598 | 9 | * This file provides firmware functions to manage the following |
mbed_official | 237:f3da66175598 | 10 | * functionalities of the Controller Area Network (CAN) peripheral: |
mbed_official | 237:f3da66175598 | 11 | * + Initialization and de-initialization functions |
mbed_official | 237:f3da66175598 | 12 | * + IO operation functions |
mbed_official | 237:f3da66175598 | 13 | * + Peripheral Control functions |
mbed_official | 237:f3da66175598 | 14 | * + Peripheral State and Error functions |
mbed_official | 237:f3da66175598 | 15 | * |
mbed_official | 237:f3da66175598 | 16 | @verbatim |
mbed_official | 237:f3da66175598 | 17 | ============================================================================== |
mbed_official | 237:f3da66175598 | 18 | ##### How to use this driver ##### |
mbed_official | 237:f3da66175598 | 19 | ============================================================================== |
mbed_official | 237:f3da66175598 | 20 | [..] |
mbed_official | 237:f3da66175598 | 21 | (#) Enable the CAN controller interface clock using |
mbed_official | 237:f3da66175598 | 22 | __CAN_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 23 | |
mbed_official | 237:f3da66175598 | 24 | (#) CAN pins configuration |
mbed_official | 237:f3da66175598 | 25 | (++) Enable the clock for the CAN GPIOs using the following function: |
mbed_official | 237:f3da66175598 | 26 | __GPIOx_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 27 | (++) Connect and configure the involved CAN pins to AF9 using the |
mbed_official | 237:f3da66175598 | 28 | following function HAL_GPIO_Init(); |
mbed_official | 237:f3da66175598 | 29 | |
mbed_official | 237:f3da66175598 | 30 | (#) Initialise and configure the CAN using HAL_CAN_Init() function. |
mbed_official | 237:f3da66175598 | 31 | |
mbed_official | 237:f3da66175598 | 32 | (#) Transmit the desired CAN frame using HAL_CAN_Transmit() function. |
mbed_official | 237:f3da66175598 | 33 | |
mbed_official | 237:f3da66175598 | 34 | (#) Receive a CAN frame using HAL_CAN_Receive() function. |
mbed_official | 237:f3da66175598 | 35 | |
mbed_official | 237:f3da66175598 | 36 | *** Polling mode IO operation *** |
mbed_official | 237:f3da66175598 | 37 | ================================= |
mbed_official | 237:f3da66175598 | 38 | [..] |
mbed_official | 237:f3da66175598 | 39 | (+) Start the CAN peripheral transmission and wait the end of this operation |
mbed_official | 237:f3da66175598 | 40 | using HAL_CAN_Transmit(), at this stage user can specify the value of timeout |
mbed_official | 237:f3da66175598 | 41 | according to his end application |
mbed_official | 237:f3da66175598 | 42 | (+) Start the CAN peripheral reception and wait the end of this operation |
mbed_official | 237:f3da66175598 | 43 | using HAL_CAN_Receive(), at this stage user can specify the value of timeout |
mbed_official | 237:f3da66175598 | 44 | according to his end application |
mbed_official | 237:f3da66175598 | 45 | |
mbed_official | 237:f3da66175598 | 46 | *** Interrupt mode IO operation *** |
mbed_official | 237:f3da66175598 | 47 | =================================== |
mbed_official | 237:f3da66175598 | 48 | [..] |
mbed_official | 237:f3da66175598 | 49 | (+) Start the CAN peripheral transmission using HAL_CAN_Transmit_IT() |
mbed_official | 237:f3da66175598 | 50 | (+) Start the CAN peripheral reception using HAL_CAN_Receive_IT() |
mbed_official | 237:f3da66175598 | 51 | (+) Use HAL_CAN_IRQHandler() called under the used CAN Interrupt subroutine |
mbed_official | 237:f3da66175598 | 52 | (+) At CAN end of transmission HAL_CAN_TxCpltCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 53 | add his own code by customization of function pointer HAL_CAN_TxCpltCallback |
mbed_official | 237:f3da66175598 | 54 | (+) In case of CAN Error, HAL_CAN_ErrorCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 55 | add his own code by customization of function pointer HAL_CAN_ErrorCallback |
mbed_official | 237:f3da66175598 | 56 | |
mbed_official | 237:f3da66175598 | 57 | *** CAN HAL driver macros list *** |
mbed_official | 237:f3da66175598 | 58 | ============================================= |
mbed_official | 237:f3da66175598 | 59 | [..] |
mbed_official | 237:f3da66175598 | 60 | Below the list of most used macros in CAN HAL driver. |
mbed_official | 237:f3da66175598 | 61 | |
mbed_official | 237:f3da66175598 | 62 | (+) __HAL_CAN_ENABLE_IT: Enable the specified CAN interrupts |
mbed_official | 237:f3da66175598 | 63 | (+) __HAL_CAN_DISABLE_IT: Disable the specified CAN interrupts |
mbed_official | 237:f3da66175598 | 64 | (+) __HAL_CAN_GET_IT_SOURCE: Check if the specified CAN interrupt source is enabled or disabled |
mbed_official | 237:f3da66175598 | 65 | (+) __HAL_CAN_CLEAR_FLAG: Clear the CAN's pending flags |
mbed_official | 237:f3da66175598 | 66 | (+) __HAL_CAN_GET_FLAG: Get the selected CAN's flag status |
mbed_official | 237:f3da66175598 | 67 | |
mbed_official | 237:f3da66175598 | 68 | [..] |
mbed_official | 237:f3da66175598 | 69 | (@) You can refer to the CAN HAL driver header file for more useful macros |
mbed_official | 237:f3da66175598 | 70 | |
mbed_official | 237:f3da66175598 | 71 | @endverbatim |
mbed_official | 237:f3da66175598 | 72 | |
mbed_official | 237:f3da66175598 | 73 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 74 | * @attention |
mbed_official | 237:f3da66175598 | 75 | * |
mbed_official | 237:f3da66175598 | 76 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 237:f3da66175598 | 77 | * |
mbed_official | 237:f3da66175598 | 78 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 237:f3da66175598 | 79 | * are permitted provided that the following conditions are met: |
mbed_official | 237:f3da66175598 | 80 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 237:f3da66175598 | 81 | * this list of conditions and the following disclaimer. |
mbed_official | 237:f3da66175598 | 82 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 237:f3da66175598 | 83 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 237:f3da66175598 | 84 | * and/or other materials provided with the distribution. |
mbed_official | 237:f3da66175598 | 85 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 237:f3da66175598 | 86 | * may be used to endorse or promote products derived from this software |
mbed_official | 237:f3da66175598 | 87 | * without specific prior written permission. |
mbed_official | 237:f3da66175598 | 88 | * |
mbed_official | 237:f3da66175598 | 89 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 237:f3da66175598 | 90 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 237:f3da66175598 | 91 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 237:f3da66175598 | 92 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 237:f3da66175598 | 93 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 237:f3da66175598 | 94 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 237:f3da66175598 | 95 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 237:f3da66175598 | 96 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 237:f3da66175598 | 97 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 237:f3da66175598 | 98 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 237:f3da66175598 | 99 | * |
mbed_official | 237:f3da66175598 | 100 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 101 | */ |
mbed_official | 237:f3da66175598 | 102 | |
mbed_official | 237:f3da66175598 | 103 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 104 | #include "stm32f3xx_hal.h" |
mbed_official | 237:f3da66175598 | 105 | |
mbed_official | 237:f3da66175598 | 106 | /** @addtogroup STM32F3xx_HAL_Driver |
mbed_official | 237:f3da66175598 | 107 | * @{ |
mbed_official | 237:f3da66175598 | 108 | */ |
mbed_official | 237:f3da66175598 | 109 | |
mbed_official | 237:f3da66175598 | 110 | /** @defgroup CAN |
mbed_official | 237:f3da66175598 | 111 | * @brief CAN driver modules |
mbed_official | 237:f3da66175598 | 112 | * @{ |
mbed_official | 237:f3da66175598 | 113 | */ |
mbed_official | 237:f3da66175598 | 114 | |
mbed_official | 237:f3da66175598 | 115 | #ifdef HAL_CAN_MODULE_ENABLED |
mbed_official | 237:f3da66175598 | 116 | |
mbed_official | 237:f3da66175598 | 117 | #if defined(STM32F302x8) || defined(STM32F302xC) || \ |
mbed_official | 237:f3da66175598 | 118 | defined(STM32F303x8) || defined(STM32F303xC) || defined(STM32F373xC) || \ |
mbed_official | 237:f3da66175598 | 119 | defined(STM32F334x8) || \ |
mbed_official | 237:f3da66175598 | 120 | defined(STM32F328xx) || defined(STM32F358xx) || defined(STM32F378xx) |
mbed_official | 237:f3da66175598 | 121 | |
mbed_official | 237:f3da66175598 | 122 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 123 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 124 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 125 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 126 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 127 | static HAL_StatusTypeDef CAN_Receive_IT(CAN_HandleTypeDef* hcan, uint8_t FIFONumber); |
mbed_official | 237:f3da66175598 | 128 | static HAL_StatusTypeDef CAN_Transmit_IT(CAN_HandleTypeDef* hcan); |
mbed_official | 237:f3da66175598 | 129 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 130 | |
mbed_official | 237:f3da66175598 | 131 | /** @defgroup CAN_Private_Functions |
mbed_official | 237:f3da66175598 | 132 | * @{ |
mbed_official | 237:f3da66175598 | 133 | */ |
mbed_official | 237:f3da66175598 | 134 | |
mbed_official | 237:f3da66175598 | 135 | /** @defgroup CAN_Group1 Initialization and de-initialization functions |
mbed_official | 237:f3da66175598 | 136 | * @brief Initialization and Configuration functions |
mbed_official | 237:f3da66175598 | 137 | * |
mbed_official | 237:f3da66175598 | 138 | @verbatim |
mbed_official | 237:f3da66175598 | 139 | ============================================================================== |
mbed_official | 237:f3da66175598 | 140 | ##### Initialization and de-initialization functions ##### |
mbed_official | 237:f3da66175598 | 141 | ============================================================================== |
mbed_official | 237:f3da66175598 | 142 | [..] This section provides functions allowing to: |
mbed_official | 237:f3da66175598 | 143 | (+) Initialize and configure the CAN. |
mbed_official | 237:f3da66175598 | 144 | (+) De-initialize the CAN. |
mbed_official | 237:f3da66175598 | 145 | |
mbed_official | 237:f3da66175598 | 146 | @endverbatim |
mbed_official | 237:f3da66175598 | 147 | * @{ |
mbed_official | 237:f3da66175598 | 148 | */ |
mbed_official | 237:f3da66175598 | 149 | |
mbed_official | 237:f3da66175598 | 150 | /** |
mbed_official | 237:f3da66175598 | 151 | * @brief Initializes the CAN peripheral according to the specified |
mbed_official | 237:f3da66175598 | 152 | * parameters in the CAN_InitStruct. |
mbed_official | 237:f3da66175598 | 153 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 154 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 155 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 156 | */ |
mbed_official | 237:f3da66175598 | 157 | HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 158 | { |
mbed_official | 237:f3da66175598 | 159 | uint32_t status = CAN_INITSTATUS_FAILED; /* Default init status */ |
mbed_official | 237:f3da66175598 | 160 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 161 | |
mbed_official | 237:f3da66175598 | 162 | /* Check CAN handle */ |
mbed_official | 237:f3da66175598 | 163 | if(hcan == NULL) |
mbed_official | 237:f3da66175598 | 164 | { |
mbed_official | 237:f3da66175598 | 165 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 166 | } |
mbed_official | 237:f3da66175598 | 167 | |
mbed_official | 237:f3da66175598 | 168 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 169 | assert_param(IS_CAN_ALL_INSTANCE(hcan->Instance)); |
mbed_official | 237:f3da66175598 | 170 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.TTCM)); |
mbed_official | 237:f3da66175598 | 171 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.ABOM)); |
mbed_official | 237:f3da66175598 | 172 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.AWUM)); |
mbed_official | 237:f3da66175598 | 173 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.NART)); |
mbed_official | 237:f3da66175598 | 174 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.RFLM)); |
mbed_official | 237:f3da66175598 | 175 | assert_param(IS_FUNCTIONAL_STATE(hcan->Init.TXFP)); |
mbed_official | 237:f3da66175598 | 176 | assert_param(IS_CAN_MODE(hcan->Init.Mode)); |
mbed_official | 237:f3da66175598 | 177 | assert_param(IS_CAN_SJW(hcan->Init.SJW)); |
mbed_official | 237:f3da66175598 | 178 | assert_param(IS_CAN_BS1(hcan->Init.BS1)); |
mbed_official | 237:f3da66175598 | 179 | assert_param(IS_CAN_BS2(hcan->Init.BS2)); |
mbed_official | 237:f3da66175598 | 180 | assert_param(IS_CAN_PRESCALER(hcan->Init.Prescaler)); |
mbed_official | 237:f3da66175598 | 181 | |
mbed_official | 237:f3da66175598 | 182 | if(hcan->State == HAL_CAN_STATE_RESET) |
mbed_official | 237:f3da66175598 | 183 | { |
mbed_official | 237:f3da66175598 | 184 | /* Init the low level hardware */ |
mbed_official | 237:f3da66175598 | 185 | HAL_CAN_MspInit(hcan); |
mbed_official | 237:f3da66175598 | 186 | } |
mbed_official | 237:f3da66175598 | 187 | |
mbed_official | 237:f3da66175598 | 188 | /* Initialize the CAN state*/ |
mbed_official | 237:f3da66175598 | 189 | hcan->State = HAL_CAN_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 190 | |
mbed_official | 237:f3da66175598 | 191 | /* Exit from sleep mode */ |
mbed_official | 237:f3da66175598 | 192 | hcan->Instance->MCR &= (~(uint32_t)CAN_MCR_SLEEP); |
mbed_official | 237:f3da66175598 | 193 | |
mbed_official | 237:f3da66175598 | 194 | /* Request initialisation */ |
mbed_official | 237:f3da66175598 | 195 | hcan->Instance->MCR |= CAN_MCR_INRQ ; |
mbed_official | 237:f3da66175598 | 196 | |
mbed_official | 237:f3da66175598 | 197 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 198 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 199 | |
mbed_official | 237:f3da66175598 | 200 | /* Wait the acknowledge */ |
mbed_official | 237:f3da66175598 | 201 | while((hcan->Instance->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) |
mbed_official | 237:f3da66175598 | 202 | { |
mbed_official | 237:f3da66175598 | 203 | if((HAL_GetTick()-tickstart) > INAK_TIMEOUT) |
mbed_official | 237:f3da66175598 | 204 | { |
mbed_official | 237:f3da66175598 | 205 | hcan->State= HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 206 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 207 | } |
mbed_official | 237:f3da66175598 | 208 | } |
mbed_official | 237:f3da66175598 | 209 | |
mbed_official | 237:f3da66175598 | 210 | /* Check acknowledge */ |
mbed_official | 237:f3da66175598 | 211 | if ((hcan->Instance->MSR & CAN_MSR_INAK) == CAN_MSR_INAK) |
mbed_official | 237:f3da66175598 | 212 | { |
mbed_official | 237:f3da66175598 | 213 | /* Set the time triggered communication mode */ |
mbed_official | 237:f3da66175598 | 214 | if (hcan->Init.TTCM == ENABLE) |
mbed_official | 237:f3da66175598 | 215 | { |
mbed_official | 237:f3da66175598 | 216 | hcan->Instance->MCR |= CAN_MCR_TTCM; |
mbed_official | 237:f3da66175598 | 217 | } |
mbed_official | 237:f3da66175598 | 218 | else |
mbed_official | 237:f3da66175598 | 219 | { |
mbed_official | 237:f3da66175598 | 220 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_TTCM; |
mbed_official | 237:f3da66175598 | 221 | } |
mbed_official | 237:f3da66175598 | 222 | |
mbed_official | 237:f3da66175598 | 223 | /* Set the automatic bus-off management */ |
mbed_official | 237:f3da66175598 | 224 | if (hcan->Init.ABOM == ENABLE) |
mbed_official | 237:f3da66175598 | 225 | { |
mbed_official | 237:f3da66175598 | 226 | hcan->Instance->MCR |= CAN_MCR_ABOM; |
mbed_official | 237:f3da66175598 | 227 | } |
mbed_official | 237:f3da66175598 | 228 | else |
mbed_official | 237:f3da66175598 | 229 | { |
mbed_official | 237:f3da66175598 | 230 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_ABOM; |
mbed_official | 237:f3da66175598 | 231 | } |
mbed_official | 237:f3da66175598 | 232 | |
mbed_official | 237:f3da66175598 | 233 | /* Set the automatic wake-up mode */ |
mbed_official | 237:f3da66175598 | 234 | if (hcan->Init.AWUM == ENABLE) |
mbed_official | 237:f3da66175598 | 235 | { |
mbed_official | 237:f3da66175598 | 236 | hcan->Instance->MCR |= CAN_MCR_AWUM; |
mbed_official | 237:f3da66175598 | 237 | } |
mbed_official | 237:f3da66175598 | 238 | else |
mbed_official | 237:f3da66175598 | 239 | { |
mbed_official | 237:f3da66175598 | 240 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_AWUM; |
mbed_official | 237:f3da66175598 | 241 | } |
mbed_official | 237:f3da66175598 | 242 | |
mbed_official | 237:f3da66175598 | 243 | /* Set the no automatic retransmission */ |
mbed_official | 237:f3da66175598 | 244 | if (hcan->Init.NART == ENABLE) |
mbed_official | 237:f3da66175598 | 245 | { |
mbed_official | 237:f3da66175598 | 246 | hcan->Instance->MCR |= CAN_MCR_NART; |
mbed_official | 237:f3da66175598 | 247 | } |
mbed_official | 237:f3da66175598 | 248 | else |
mbed_official | 237:f3da66175598 | 249 | { |
mbed_official | 237:f3da66175598 | 250 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_NART; |
mbed_official | 237:f3da66175598 | 251 | } |
mbed_official | 237:f3da66175598 | 252 | |
mbed_official | 237:f3da66175598 | 253 | /* Set the receive FIFO locked mode */ |
mbed_official | 237:f3da66175598 | 254 | if (hcan->Init.RFLM == ENABLE) |
mbed_official | 237:f3da66175598 | 255 | { |
mbed_official | 237:f3da66175598 | 256 | hcan->Instance->MCR |= CAN_MCR_RFLM; |
mbed_official | 237:f3da66175598 | 257 | } |
mbed_official | 237:f3da66175598 | 258 | else |
mbed_official | 237:f3da66175598 | 259 | { |
mbed_official | 237:f3da66175598 | 260 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_RFLM; |
mbed_official | 237:f3da66175598 | 261 | } |
mbed_official | 237:f3da66175598 | 262 | |
mbed_official | 237:f3da66175598 | 263 | /* Set the transmit FIFO priority */ |
mbed_official | 237:f3da66175598 | 264 | if (hcan->Init.TXFP == ENABLE) |
mbed_official | 237:f3da66175598 | 265 | { |
mbed_official | 237:f3da66175598 | 266 | hcan->Instance->MCR |= CAN_MCR_TXFP; |
mbed_official | 237:f3da66175598 | 267 | } |
mbed_official | 237:f3da66175598 | 268 | else |
mbed_official | 237:f3da66175598 | 269 | { |
mbed_official | 237:f3da66175598 | 270 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_TXFP; |
mbed_official | 237:f3da66175598 | 271 | } |
mbed_official | 237:f3da66175598 | 272 | |
mbed_official | 237:f3da66175598 | 273 | /* Set the bit timing register */ |
mbed_official | 237:f3da66175598 | 274 | hcan->Instance->BTR = (uint32_t)((uint32_t)hcan->Init.Mode) | \ |
mbed_official | 237:f3da66175598 | 275 | ((uint32_t)hcan->Init.SJW) | \ |
mbed_official | 237:f3da66175598 | 276 | ((uint32_t)hcan->Init.BS1) | \ |
mbed_official | 237:f3da66175598 | 277 | ((uint32_t)hcan->Init.BS2) | \ |
mbed_official | 237:f3da66175598 | 278 | ((uint32_t)hcan->Init.Prescaler - 1); |
mbed_official | 237:f3da66175598 | 279 | |
mbed_official | 237:f3da66175598 | 280 | /* Request leave initialisation */ |
mbed_official | 237:f3da66175598 | 281 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_INRQ; |
mbed_official | 237:f3da66175598 | 282 | |
mbed_official | 237:f3da66175598 | 283 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 284 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 285 | |
mbed_official | 237:f3da66175598 | 286 | /* Wait the acknowledge */ |
mbed_official | 237:f3da66175598 | 287 | while((hcan->Instance->MSR & CAN_MSR_INAK) == CAN_MSR_INAK) |
mbed_official | 237:f3da66175598 | 288 | { |
mbed_official | 237:f3da66175598 | 289 | if((HAL_GetTick()-tickstart) > INAK_TIMEOUT) |
mbed_official | 237:f3da66175598 | 290 | { |
mbed_official | 237:f3da66175598 | 291 | hcan->State= HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 292 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 293 | } |
mbed_official | 237:f3da66175598 | 294 | } |
mbed_official | 237:f3da66175598 | 295 | |
mbed_official | 237:f3da66175598 | 296 | /* Check acknowledged */ |
mbed_official | 237:f3da66175598 | 297 | if ((hcan->Instance->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) |
mbed_official | 237:f3da66175598 | 298 | { |
mbed_official | 237:f3da66175598 | 299 | status = CAN_INITSTATUS_SUCCESS; |
mbed_official | 237:f3da66175598 | 300 | } |
mbed_official | 237:f3da66175598 | 301 | } |
mbed_official | 237:f3da66175598 | 302 | |
mbed_official | 237:f3da66175598 | 303 | if(status == CAN_INITSTATUS_SUCCESS) |
mbed_official | 237:f3da66175598 | 304 | { |
mbed_official | 237:f3da66175598 | 305 | /* Set CAN error code to none */ |
mbed_official | 237:f3da66175598 | 306 | hcan->ErrorCode = HAL_CAN_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 307 | |
mbed_official | 237:f3da66175598 | 308 | /* Initialize the CAN state */ |
mbed_official | 237:f3da66175598 | 309 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 310 | |
mbed_official | 237:f3da66175598 | 311 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 312 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 313 | } |
mbed_official | 237:f3da66175598 | 314 | else |
mbed_official | 237:f3da66175598 | 315 | { |
mbed_official | 237:f3da66175598 | 316 | /* Initialize the CAN state */ |
mbed_official | 237:f3da66175598 | 317 | hcan->State = HAL_CAN_STATE_ERROR; |
mbed_official | 237:f3da66175598 | 318 | |
mbed_official | 237:f3da66175598 | 319 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 320 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 321 | } |
mbed_official | 237:f3da66175598 | 322 | } |
mbed_official | 237:f3da66175598 | 323 | |
mbed_official | 237:f3da66175598 | 324 | /** |
mbed_official | 237:f3da66175598 | 325 | * @brief Configures the CAN reception filter according to the specified |
mbed_official | 237:f3da66175598 | 326 | * parameters in the CAN_FilterInitStruct. |
mbed_official | 237:f3da66175598 | 327 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 328 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 329 | * @param sFilterConfig: pointer to a CAN_FilterConfTypeDef structure that |
mbed_official | 237:f3da66175598 | 330 | * contains the filter configuration information. |
mbed_official | 237:f3da66175598 | 331 | * @retval None |
mbed_official | 237:f3da66175598 | 332 | */ |
mbed_official | 237:f3da66175598 | 333 | HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef* hcan, CAN_FilterConfTypeDef* sFilterConfig) |
mbed_official | 237:f3da66175598 | 334 | { |
mbed_official | 237:f3da66175598 | 335 | uint32_t filternbrbitpos = 0; |
mbed_official | 237:f3da66175598 | 336 | |
mbed_official | 237:f3da66175598 | 337 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 338 | assert_param(IS_CAN_FILTER_NUMBER(sFilterConfig->FilterNumber)); |
mbed_official | 237:f3da66175598 | 339 | assert_param(IS_CAN_FILTER_MODE(sFilterConfig->FilterMode)); |
mbed_official | 237:f3da66175598 | 340 | assert_param(IS_CAN_FILTER_SCALE(sFilterConfig->FilterScale)); |
mbed_official | 237:f3da66175598 | 341 | assert_param(IS_CAN_FILTER_FIFO(sFilterConfig->FilterFIFOAssignment)); |
mbed_official | 237:f3da66175598 | 342 | assert_param(IS_FUNCTIONAL_STATE(sFilterConfig->FilterActivation)); |
mbed_official | 237:f3da66175598 | 343 | assert_param(IS_CAN_BANKNUMBER(sFilterConfig->BankNumber)); |
mbed_official | 237:f3da66175598 | 344 | |
mbed_official | 237:f3da66175598 | 345 | filternbrbitpos = ((uint32_t)1) << sFilterConfig->FilterNumber; |
mbed_official | 237:f3da66175598 | 346 | |
mbed_official | 237:f3da66175598 | 347 | /* Initialisation mode for the filter */ |
mbed_official | 237:f3da66175598 | 348 | hcan->Instance->FMR |= (uint32_t)CAN_FMR_FINIT; |
mbed_official | 237:f3da66175598 | 349 | |
mbed_official | 237:f3da66175598 | 350 | /* Filter Deactivation */ |
mbed_official | 237:f3da66175598 | 351 | hcan->Instance->FA1R &= ~(uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 352 | |
mbed_official | 237:f3da66175598 | 353 | /* Filter Scale */ |
mbed_official | 237:f3da66175598 | 354 | if (sFilterConfig->FilterScale == CAN_FILTERSCALE_16BIT) |
mbed_official | 237:f3da66175598 | 355 | { |
mbed_official | 237:f3da66175598 | 356 | /* 16-bit scale for the filter */ |
mbed_official | 237:f3da66175598 | 357 | hcan->Instance->FS1R &= ~(uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 358 | |
mbed_official | 237:f3da66175598 | 359 | /* First 16-bit identifier and First 16-bit mask */ |
mbed_official | 237:f3da66175598 | 360 | /* Or First 16-bit identifier and Second 16-bit identifier */ |
mbed_official | 237:f3da66175598 | 361 | hcan->Instance->sFilterRegister[sFilterConfig->FilterNumber].FR1 = |
mbed_official | 237:f3da66175598 | 362 | ((0x0000FFFF & (uint32_t)sFilterConfig->FilterMaskIdLow) << 16) | |
mbed_official | 237:f3da66175598 | 363 | (0x0000FFFF & (uint32_t)sFilterConfig->FilterIdLow); |
mbed_official | 237:f3da66175598 | 364 | |
mbed_official | 237:f3da66175598 | 365 | /* Second 16-bit identifier and Second 16-bit mask */ |
mbed_official | 237:f3da66175598 | 366 | /* Or Third 16-bit identifier and Fourth 16-bit identifier */ |
mbed_official | 237:f3da66175598 | 367 | hcan->Instance->sFilterRegister[sFilterConfig->FilterNumber].FR2 = |
mbed_official | 237:f3da66175598 | 368 | ((0x0000FFFF & (uint32_t)sFilterConfig->FilterMaskIdHigh) << 16) | |
mbed_official | 237:f3da66175598 | 369 | (0x0000FFFF & (uint32_t)sFilterConfig->FilterIdHigh); |
mbed_official | 237:f3da66175598 | 370 | } |
mbed_official | 237:f3da66175598 | 371 | |
mbed_official | 237:f3da66175598 | 372 | if (sFilterConfig->FilterScale == CAN_FILTERSCALE_32BIT) |
mbed_official | 237:f3da66175598 | 373 | { |
mbed_official | 237:f3da66175598 | 374 | /* 32-bit scale for the filter */ |
mbed_official | 237:f3da66175598 | 375 | hcan->Instance->FS1R |= filternbrbitpos; |
mbed_official | 237:f3da66175598 | 376 | /* 32-bit identifier or First 32-bit identifier */ |
mbed_official | 237:f3da66175598 | 377 | hcan->Instance->sFilterRegister[sFilterConfig->FilterNumber].FR1 = |
mbed_official | 237:f3da66175598 | 378 | ((0x0000FFFF & (uint32_t)sFilterConfig->FilterIdHigh) << 16) | |
mbed_official | 237:f3da66175598 | 379 | (0x0000FFFF & (uint32_t)sFilterConfig->FilterIdLow); |
mbed_official | 237:f3da66175598 | 380 | /* 32-bit mask or Second 32-bit identifier */ |
mbed_official | 237:f3da66175598 | 381 | hcan->Instance->sFilterRegister[sFilterConfig->FilterNumber].FR2 = |
mbed_official | 237:f3da66175598 | 382 | ((0x0000FFFF & (uint32_t)sFilterConfig->FilterMaskIdHigh) << 16) | |
mbed_official | 237:f3da66175598 | 383 | (0x0000FFFF & (uint32_t)sFilterConfig->FilterMaskIdLow); |
mbed_official | 237:f3da66175598 | 384 | } |
mbed_official | 237:f3da66175598 | 385 | |
mbed_official | 237:f3da66175598 | 386 | /* Filter Mode */ |
mbed_official | 237:f3da66175598 | 387 | if (sFilterConfig->FilterMode == CAN_FILTERMODE_IDMASK) |
mbed_official | 237:f3da66175598 | 388 | { |
mbed_official | 237:f3da66175598 | 389 | /*Id/Mask mode for the filter*/ |
mbed_official | 237:f3da66175598 | 390 | hcan->Instance->FM1R &= ~(uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 391 | } |
mbed_official | 237:f3da66175598 | 392 | else /* CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdList */ |
mbed_official | 237:f3da66175598 | 393 | { |
mbed_official | 237:f3da66175598 | 394 | /*Identifier list mode for the filter*/ |
mbed_official | 237:f3da66175598 | 395 | hcan->Instance->FM1R |= (uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 396 | } |
mbed_official | 237:f3da66175598 | 397 | |
mbed_official | 237:f3da66175598 | 398 | /* Filter FIFO assignment */ |
mbed_official | 237:f3da66175598 | 399 | if (sFilterConfig->FilterFIFOAssignment == CAN_FILTER_FIFO0) |
mbed_official | 237:f3da66175598 | 400 | { |
mbed_official | 237:f3da66175598 | 401 | /* FIFO 0 assignation for the filter */ |
mbed_official | 237:f3da66175598 | 402 | hcan->Instance->FFA1R &= ~(uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 403 | } |
mbed_official | 237:f3da66175598 | 404 | |
mbed_official | 237:f3da66175598 | 405 | if (sFilterConfig->FilterFIFOAssignment == CAN_FILTER_FIFO1) |
mbed_official | 237:f3da66175598 | 406 | { |
mbed_official | 237:f3da66175598 | 407 | /* FIFO 1 assignation for the filter */ |
mbed_official | 237:f3da66175598 | 408 | hcan->Instance->FFA1R |= (uint32_t)filternbrbitpos; |
mbed_official | 237:f3da66175598 | 409 | } |
mbed_official | 237:f3da66175598 | 410 | |
mbed_official | 237:f3da66175598 | 411 | /* Filter activation */ |
mbed_official | 237:f3da66175598 | 412 | if (sFilterConfig->FilterActivation == ENABLE) |
mbed_official | 237:f3da66175598 | 413 | { |
mbed_official | 237:f3da66175598 | 414 | hcan->Instance->FA1R |= filternbrbitpos; |
mbed_official | 237:f3da66175598 | 415 | } |
mbed_official | 237:f3da66175598 | 416 | |
mbed_official | 237:f3da66175598 | 417 | /* Leave the initialisation mode for the filter */ |
mbed_official | 237:f3da66175598 | 418 | hcan->Instance->FMR &= ~((uint32_t)CAN_FMR_FINIT); |
mbed_official | 237:f3da66175598 | 419 | |
mbed_official | 237:f3da66175598 | 420 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 421 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 422 | } |
mbed_official | 237:f3da66175598 | 423 | |
mbed_official | 237:f3da66175598 | 424 | /** |
mbed_official | 237:f3da66175598 | 425 | * @brief Deinitializes the CANx peripheral registers to their default reset values. |
mbed_official | 237:f3da66175598 | 426 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 427 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 428 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 429 | */ |
mbed_official | 237:f3da66175598 | 430 | HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 431 | { |
mbed_official | 237:f3da66175598 | 432 | /* Check CAN handle */ |
mbed_official | 237:f3da66175598 | 433 | if(hcan == NULL) |
mbed_official | 237:f3da66175598 | 434 | { |
mbed_official | 237:f3da66175598 | 435 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 436 | } |
mbed_official | 237:f3da66175598 | 437 | |
mbed_official | 237:f3da66175598 | 438 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 439 | assert_param(IS_CAN_ALL_INSTANCE(hcan->Instance)); |
mbed_official | 237:f3da66175598 | 440 | |
mbed_official | 237:f3da66175598 | 441 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 442 | hcan->State = HAL_CAN_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 443 | |
mbed_official | 237:f3da66175598 | 444 | /* DeInit the low level hardware */ |
mbed_official | 237:f3da66175598 | 445 | HAL_CAN_MspDeInit(hcan); |
mbed_official | 237:f3da66175598 | 446 | |
mbed_official | 237:f3da66175598 | 447 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 448 | hcan->State = HAL_CAN_STATE_RESET; |
mbed_official | 237:f3da66175598 | 449 | |
mbed_official | 237:f3da66175598 | 450 | /* Release Lock */ |
mbed_official | 237:f3da66175598 | 451 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 452 | |
mbed_official | 237:f3da66175598 | 453 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 454 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 455 | } |
mbed_official | 237:f3da66175598 | 456 | |
mbed_official | 237:f3da66175598 | 457 | /** |
mbed_official | 237:f3da66175598 | 458 | * @brief Initializes the CAN MSP. |
mbed_official | 237:f3da66175598 | 459 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 460 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 461 | * @retval None |
mbed_official | 237:f3da66175598 | 462 | */ |
mbed_official | 237:f3da66175598 | 463 | __weak void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 464 | { |
mbed_official | 237:f3da66175598 | 465 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 466 | the HAL_CAN_MspInit could be implemented in the user file |
mbed_official | 237:f3da66175598 | 467 | */ |
mbed_official | 237:f3da66175598 | 468 | } |
mbed_official | 237:f3da66175598 | 469 | |
mbed_official | 237:f3da66175598 | 470 | /** |
mbed_official | 237:f3da66175598 | 471 | * @brief DeInitializes the CAN MSP. |
mbed_official | 237:f3da66175598 | 472 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 473 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 474 | * @retval None |
mbed_official | 237:f3da66175598 | 475 | */ |
mbed_official | 237:f3da66175598 | 476 | __weak void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 477 | { |
mbed_official | 237:f3da66175598 | 478 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 479 | the HAL_CAN_MspDeInit could be implemented in the user file |
mbed_official | 237:f3da66175598 | 480 | */ |
mbed_official | 237:f3da66175598 | 481 | } |
mbed_official | 237:f3da66175598 | 482 | |
mbed_official | 237:f3da66175598 | 483 | /** |
mbed_official | 237:f3da66175598 | 484 | * @} |
mbed_official | 237:f3da66175598 | 485 | */ |
mbed_official | 237:f3da66175598 | 486 | |
mbed_official | 237:f3da66175598 | 487 | /** @defgroup CAN_Group2 I/O operation functions |
mbed_official | 237:f3da66175598 | 488 | * @brief I/O operation functions |
mbed_official | 237:f3da66175598 | 489 | * |
mbed_official | 237:f3da66175598 | 490 | @verbatim |
mbed_official | 237:f3da66175598 | 491 | ============================================================================== |
mbed_official | 237:f3da66175598 | 492 | ##### IO operation functions ##### |
mbed_official | 237:f3da66175598 | 493 | ============================================================================== |
mbed_official | 237:f3da66175598 | 494 | [..] This section provides functions allowing to: |
mbed_official | 237:f3da66175598 | 495 | (+) Transmit a CAN frame message. |
mbed_official | 237:f3da66175598 | 496 | (+) Receive a CAN frame message. |
mbed_official | 237:f3da66175598 | 497 | (+) Enter CAN peripheral in sleep mode. |
mbed_official | 237:f3da66175598 | 498 | (+) Wake up the CAN peripheral from sleep mode. |
mbed_official | 237:f3da66175598 | 499 | |
mbed_official | 237:f3da66175598 | 500 | @endverbatim |
mbed_official | 237:f3da66175598 | 501 | * @{ |
mbed_official | 237:f3da66175598 | 502 | */ |
mbed_official | 237:f3da66175598 | 503 | |
mbed_official | 237:f3da66175598 | 504 | /** |
mbed_official | 237:f3da66175598 | 505 | * @brief Initiates and transmits a CAN frame message. |
mbed_official | 237:f3da66175598 | 506 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 507 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 508 | * @param Timeout: Timeout duration. |
mbed_official | 237:f3da66175598 | 509 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 510 | */ |
mbed_official | 237:f3da66175598 | 511 | HAL_StatusTypeDef HAL_CAN_Transmit(CAN_HandleTypeDef* hcan, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 512 | { |
mbed_official | 237:f3da66175598 | 513 | uint32_t transmitmailbox = CAN_TXSTATUS_NOMAILBOX; |
mbed_official | 237:f3da66175598 | 514 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 515 | |
mbed_official | 237:f3da66175598 | 516 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 517 | assert_param(IS_CAN_IDTYPE(hcan->pTxMsg->IDE)); |
mbed_official | 237:f3da66175598 | 518 | assert_param(IS_CAN_RTR(hcan->pTxMsg->RTR)); |
mbed_official | 237:f3da66175598 | 519 | assert_param(IS_CAN_DLC(hcan->pTxMsg->DLC)); |
mbed_official | 237:f3da66175598 | 520 | |
mbed_official | 237:f3da66175598 | 521 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 522 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 523 | |
mbed_official | 237:f3da66175598 | 524 | if(hcan->State == HAL_CAN_STATE_BUSY_RX) |
mbed_official | 237:f3da66175598 | 525 | { |
mbed_official | 237:f3da66175598 | 526 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 527 | hcan->State = HAL_CAN_STATE_BUSY_TX_RX; |
mbed_official | 237:f3da66175598 | 528 | } |
mbed_official | 237:f3da66175598 | 529 | else |
mbed_official | 237:f3da66175598 | 530 | { |
mbed_official | 237:f3da66175598 | 531 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 532 | hcan->State = HAL_CAN_STATE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 533 | } |
mbed_official | 237:f3da66175598 | 534 | |
mbed_official | 237:f3da66175598 | 535 | /* Select one empty transmit mailbox */ |
mbed_official | 237:f3da66175598 | 536 | if ((hcan->Instance->TSR&CAN_TSR_TME0) == CAN_TSR_TME0) |
mbed_official | 237:f3da66175598 | 537 | { |
mbed_official | 237:f3da66175598 | 538 | transmitmailbox = 0; |
mbed_official | 237:f3da66175598 | 539 | } |
mbed_official | 237:f3da66175598 | 540 | else if ((hcan->Instance->TSR&CAN_TSR_TME1) == CAN_TSR_TME1) |
mbed_official | 237:f3da66175598 | 541 | { |
mbed_official | 237:f3da66175598 | 542 | transmitmailbox = 1; |
mbed_official | 237:f3da66175598 | 543 | } |
mbed_official | 237:f3da66175598 | 544 | else if ((hcan->Instance->TSR&CAN_TSR_TME2) == CAN_TSR_TME2) |
mbed_official | 237:f3da66175598 | 545 | { |
mbed_official | 237:f3da66175598 | 546 | transmitmailbox = 2; |
mbed_official | 237:f3da66175598 | 547 | } |
mbed_official | 237:f3da66175598 | 548 | |
mbed_official | 237:f3da66175598 | 549 | if (transmitmailbox != CAN_TXSTATUS_NOMAILBOX) |
mbed_official | 237:f3da66175598 | 550 | { |
mbed_official | 237:f3da66175598 | 551 | /* Set up the Id */ |
mbed_official | 237:f3da66175598 | 552 | hcan->Instance->sTxMailBox[transmitmailbox].TIR &= CAN_TI0R_TXRQ; |
mbed_official | 237:f3da66175598 | 553 | if (hcan->pTxMsg->IDE == CAN_ID_STD) |
mbed_official | 237:f3da66175598 | 554 | { |
mbed_official | 237:f3da66175598 | 555 | assert_param(IS_CAN_STDID(hcan->pTxMsg->StdId)); |
mbed_official | 237:f3da66175598 | 556 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= ((hcan->pTxMsg->StdId << 21) | \ |
mbed_official | 237:f3da66175598 | 557 | hcan->pTxMsg->RTR); |
mbed_official | 237:f3da66175598 | 558 | } |
mbed_official | 237:f3da66175598 | 559 | else |
mbed_official | 237:f3da66175598 | 560 | { |
mbed_official | 237:f3da66175598 | 561 | assert_param(IS_CAN_EXTID(hcan->pTxMsg->ExtId)); |
mbed_official | 237:f3da66175598 | 562 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= ((hcan->pTxMsg->ExtId << 3) | \ |
mbed_official | 237:f3da66175598 | 563 | hcan->pTxMsg->IDE | \ |
mbed_official | 237:f3da66175598 | 564 | hcan->pTxMsg->RTR); |
mbed_official | 237:f3da66175598 | 565 | } |
mbed_official | 237:f3da66175598 | 566 | |
mbed_official | 237:f3da66175598 | 567 | /* Set up the DLC */ |
mbed_official | 237:f3da66175598 | 568 | hcan->pTxMsg->DLC &= (uint8_t)0x0000000F; |
mbed_official | 237:f3da66175598 | 569 | hcan->Instance->sTxMailBox[transmitmailbox].TDTR &= (uint32_t)0xFFFFFFF0; |
mbed_official | 237:f3da66175598 | 570 | hcan->Instance->sTxMailBox[transmitmailbox].TDTR |= hcan->pTxMsg->DLC; |
mbed_official | 237:f3da66175598 | 571 | |
mbed_official | 237:f3da66175598 | 572 | /* Set up the data field */ |
mbed_official | 237:f3da66175598 | 573 | hcan->Instance->sTxMailBox[transmitmailbox].TDLR = (((uint32_t)hcan->pTxMsg->Data[3] << 24) | |
mbed_official | 237:f3da66175598 | 574 | ((uint32_t)hcan->pTxMsg->Data[2] << 16) | |
mbed_official | 237:f3da66175598 | 575 | ((uint32_t)hcan->pTxMsg->Data[1] << 8) | |
mbed_official | 237:f3da66175598 | 576 | ((uint32_t)hcan->pTxMsg->Data[0])); |
mbed_official | 237:f3da66175598 | 577 | hcan->Instance->sTxMailBox[transmitmailbox].TDHR = (((uint32_t)hcan->pTxMsg->Data[7] << 24) | |
mbed_official | 237:f3da66175598 | 578 | ((uint32_t)hcan->pTxMsg->Data[6] << 16) | |
mbed_official | 237:f3da66175598 | 579 | ((uint32_t)hcan->pTxMsg->Data[5] << 8) | |
mbed_official | 237:f3da66175598 | 580 | ((uint32_t)hcan->pTxMsg->Data[4])); |
mbed_official | 237:f3da66175598 | 581 | /* Request transmission */ |
mbed_official | 237:f3da66175598 | 582 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= CAN_TI0R_TXRQ; |
mbed_official | 237:f3da66175598 | 583 | |
mbed_official | 237:f3da66175598 | 584 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 585 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 586 | |
mbed_official | 237:f3da66175598 | 587 | /* Check End of transmission flag */ |
mbed_official | 237:f3da66175598 | 588 | while(!(__HAL_CAN_TRANSMIT_STATUS(hcan, transmitmailbox))) |
mbed_official | 237:f3da66175598 | 589 | { |
mbed_official | 237:f3da66175598 | 590 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 591 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 592 | { |
mbed_official | 237:f3da66175598 | 593 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 594 | { |
mbed_official | 237:f3da66175598 | 595 | hcan->State = HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 596 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 597 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 598 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 599 | } |
mbed_official | 237:f3da66175598 | 600 | } |
mbed_official | 237:f3da66175598 | 601 | } |
mbed_official | 237:f3da66175598 | 602 | if(hcan->State == HAL_CAN_STATE_BUSY_TX_RX) |
mbed_official | 237:f3da66175598 | 603 | { |
mbed_official | 237:f3da66175598 | 604 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 605 | hcan->State = HAL_CAN_STATE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 606 | } |
mbed_official | 237:f3da66175598 | 607 | else |
mbed_official | 237:f3da66175598 | 608 | { |
mbed_official | 237:f3da66175598 | 609 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 610 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 611 | } |
mbed_official | 237:f3da66175598 | 612 | |
mbed_official | 237:f3da66175598 | 613 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 614 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 615 | |
mbed_official | 237:f3da66175598 | 616 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 617 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 618 | } |
mbed_official | 237:f3da66175598 | 619 | else |
mbed_official | 237:f3da66175598 | 620 | { |
mbed_official | 237:f3da66175598 | 621 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 622 | hcan->State = HAL_CAN_STATE_ERROR; |
mbed_official | 237:f3da66175598 | 623 | |
mbed_official | 237:f3da66175598 | 624 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 625 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 626 | |
mbed_official | 237:f3da66175598 | 627 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 628 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 629 | } |
mbed_official | 237:f3da66175598 | 630 | } |
mbed_official | 237:f3da66175598 | 631 | |
mbed_official | 237:f3da66175598 | 632 | /** |
mbed_official | 237:f3da66175598 | 633 | * @brief Initiates and transmits a CAN frame message. |
mbed_official | 237:f3da66175598 | 634 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 635 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 636 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 637 | */ |
mbed_official | 237:f3da66175598 | 638 | HAL_StatusTypeDef HAL_CAN_Transmit_IT(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 639 | { |
mbed_official | 237:f3da66175598 | 640 | uint32_t transmitmailbox = CAN_TXSTATUS_NOMAILBOX; |
mbed_official | 237:f3da66175598 | 641 | |
mbed_official | 237:f3da66175598 | 642 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 643 | assert_param(IS_CAN_IDTYPE(hcan->pTxMsg->IDE)); |
mbed_official | 237:f3da66175598 | 644 | assert_param(IS_CAN_RTR(hcan->pTxMsg->RTR)); |
mbed_official | 237:f3da66175598 | 645 | assert_param(IS_CAN_DLC(hcan->pTxMsg->DLC)); |
mbed_official | 237:f3da66175598 | 646 | |
mbed_official | 237:f3da66175598 | 647 | if((hcan->State == HAL_CAN_STATE_READY) || (hcan->State == HAL_CAN_STATE_BUSY_RX)) |
mbed_official | 237:f3da66175598 | 648 | { |
mbed_official | 237:f3da66175598 | 649 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 650 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 651 | |
mbed_official | 237:f3da66175598 | 652 | /* Select one empty transmit mailbox */ |
mbed_official | 237:f3da66175598 | 653 | if((hcan->Instance->TSR&CAN_TSR_TME0) == CAN_TSR_TME0) |
mbed_official | 237:f3da66175598 | 654 | { |
mbed_official | 237:f3da66175598 | 655 | transmitmailbox = 0; |
mbed_official | 237:f3da66175598 | 656 | } |
mbed_official | 237:f3da66175598 | 657 | else if((hcan->Instance->TSR&CAN_TSR_TME1) == CAN_TSR_TME1) |
mbed_official | 237:f3da66175598 | 658 | { |
mbed_official | 237:f3da66175598 | 659 | transmitmailbox = 1; |
mbed_official | 237:f3da66175598 | 660 | } |
mbed_official | 237:f3da66175598 | 661 | else if((hcan->Instance->TSR&CAN_TSR_TME2) == CAN_TSR_TME2) |
mbed_official | 237:f3da66175598 | 662 | { |
mbed_official | 237:f3da66175598 | 663 | transmitmailbox = 2; |
mbed_official | 237:f3da66175598 | 664 | } |
mbed_official | 237:f3da66175598 | 665 | |
mbed_official | 237:f3da66175598 | 666 | if(transmitmailbox != CAN_TXSTATUS_NOMAILBOX) |
mbed_official | 237:f3da66175598 | 667 | { |
mbed_official | 237:f3da66175598 | 668 | /* Set up the Id */ |
mbed_official | 237:f3da66175598 | 669 | hcan->Instance->sTxMailBox[transmitmailbox].TIR &= CAN_TI0R_TXRQ; |
mbed_official | 237:f3da66175598 | 670 | if(hcan->pTxMsg->IDE == CAN_ID_STD) |
mbed_official | 237:f3da66175598 | 671 | { |
mbed_official | 237:f3da66175598 | 672 | assert_param(IS_CAN_STDID(hcan->pTxMsg->StdId)); |
mbed_official | 237:f3da66175598 | 673 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= ((hcan->pTxMsg->StdId << 21) | \ |
mbed_official | 237:f3da66175598 | 674 | hcan->pTxMsg->RTR); |
mbed_official | 237:f3da66175598 | 675 | } |
mbed_official | 237:f3da66175598 | 676 | else |
mbed_official | 237:f3da66175598 | 677 | { |
mbed_official | 237:f3da66175598 | 678 | assert_param(IS_CAN_EXTID(hcan->pTxMsg->ExtId)); |
mbed_official | 237:f3da66175598 | 679 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= ((hcan->pTxMsg->ExtId << 3) | \ |
mbed_official | 237:f3da66175598 | 680 | hcan->pTxMsg->IDE | \ |
mbed_official | 237:f3da66175598 | 681 | hcan->pTxMsg->RTR); |
mbed_official | 237:f3da66175598 | 682 | } |
mbed_official | 237:f3da66175598 | 683 | |
mbed_official | 237:f3da66175598 | 684 | /* Set up the DLC */ |
mbed_official | 237:f3da66175598 | 685 | hcan->pTxMsg->DLC &= (uint8_t)0x0000000F; |
mbed_official | 237:f3da66175598 | 686 | hcan->Instance->sTxMailBox[transmitmailbox].TDTR &= (uint32_t)0xFFFFFFF0; |
mbed_official | 237:f3da66175598 | 687 | hcan->Instance->sTxMailBox[transmitmailbox].TDTR |= hcan->pTxMsg->DLC; |
mbed_official | 237:f3da66175598 | 688 | |
mbed_official | 237:f3da66175598 | 689 | /* Set up the data field */ |
mbed_official | 237:f3da66175598 | 690 | hcan->Instance->sTxMailBox[transmitmailbox].TDLR = (((uint32_t)hcan->pTxMsg->Data[3] << 24) | |
mbed_official | 237:f3da66175598 | 691 | ((uint32_t)hcan->pTxMsg->Data[2] << 16) | |
mbed_official | 237:f3da66175598 | 692 | ((uint32_t)hcan->pTxMsg->Data[1] << 8) | |
mbed_official | 237:f3da66175598 | 693 | ((uint32_t)hcan->pTxMsg->Data[0])); |
mbed_official | 237:f3da66175598 | 694 | hcan->Instance->sTxMailBox[transmitmailbox].TDHR = (((uint32_t)hcan->pTxMsg->Data[7] << 24) | |
mbed_official | 237:f3da66175598 | 695 | ((uint32_t)hcan->pTxMsg->Data[6] << 16) | |
mbed_official | 237:f3da66175598 | 696 | ((uint32_t)hcan->pTxMsg->Data[5] << 8) | |
mbed_official | 237:f3da66175598 | 697 | ((uint32_t)hcan->pTxMsg->Data[4])); |
mbed_official | 237:f3da66175598 | 698 | |
mbed_official | 237:f3da66175598 | 699 | if(hcan->State == HAL_CAN_STATE_BUSY_RX) |
mbed_official | 237:f3da66175598 | 700 | { |
mbed_official | 237:f3da66175598 | 701 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 702 | hcan->State = HAL_CAN_STATE_BUSY_TX_RX; |
mbed_official | 237:f3da66175598 | 703 | } |
mbed_official | 237:f3da66175598 | 704 | else |
mbed_official | 237:f3da66175598 | 705 | { |
mbed_official | 237:f3da66175598 | 706 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 707 | hcan->State = HAL_CAN_STATE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 708 | } |
mbed_official | 237:f3da66175598 | 709 | |
mbed_official | 237:f3da66175598 | 710 | /* Set CAN error code to none */ |
mbed_official | 237:f3da66175598 | 711 | hcan->ErrorCode = HAL_CAN_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 712 | |
mbed_official | 237:f3da66175598 | 713 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 714 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 715 | |
mbed_official | 237:f3da66175598 | 716 | /* Enable Error warning Interrupt */ |
mbed_official | 237:f3da66175598 | 717 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_EWG); |
mbed_official | 237:f3da66175598 | 718 | |
mbed_official | 237:f3da66175598 | 719 | /* Enable Error passive Interrupt */ |
mbed_official | 237:f3da66175598 | 720 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_EPV); |
mbed_official | 237:f3da66175598 | 721 | |
mbed_official | 237:f3da66175598 | 722 | /* Enable Bus-off Interrupt */ |
mbed_official | 237:f3da66175598 | 723 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_BOF); |
mbed_official | 237:f3da66175598 | 724 | |
mbed_official | 237:f3da66175598 | 725 | /* Enable Last error code Interrupt */ |
mbed_official | 237:f3da66175598 | 726 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_LEC); |
mbed_official | 237:f3da66175598 | 727 | |
mbed_official | 237:f3da66175598 | 728 | /* Enable Error Interrupt */ |
mbed_official | 237:f3da66175598 | 729 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_ERR); |
mbed_official | 237:f3da66175598 | 730 | |
mbed_official | 237:f3da66175598 | 731 | /* Enable Transmit mailbox empty Interrupt */ |
mbed_official | 237:f3da66175598 | 732 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_TME); |
mbed_official | 237:f3da66175598 | 733 | |
mbed_official | 237:f3da66175598 | 734 | /* Request transmission */ |
mbed_official | 237:f3da66175598 | 735 | hcan->Instance->sTxMailBox[transmitmailbox].TIR |= CAN_TI0R_TXRQ; |
mbed_official | 237:f3da66175598 | 736 | } |
mbed_official | 237:f3da66175598 | 737 | } |
mbed_official | 237:f3da66175598 | 738 | else |
mbed_official | 237:f3da66175598 | 739 | { |
mbed_official | 237:f3da66175598 | 740 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 741 | } |
mbed_official | 237:f3da66175598 | 742 | |
mbed_official | 237:f3da66175598 | 743 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 744 | } |
mbed_official | 237:f3da66175598 | 745 | |
mbed_official | 237:f3da66175598 | 746 | /** |
mbed_official | 237:f3da66175598 | 747 | * @brief Receives a correct CAN frame. |
mbed_official | 237:f3da66175598 | 748 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 749 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 750 | * @param FIFONumber: FIFO number. |
mbed_official | 237:f3da66175598 | 751 | * @param Timeout: Timeout duration. |
mbed_official | 237:f3da66175598 | 752 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 753 | * @retval None |
mbed_official | 237:f3da66175598 | 754 | */ |
mbed_official | 237:f3da66175598 | 755 | HAL_StatusTypeDef HAL_CAN_Receive(CAN_HandleTypeDef* hcan, uint8_t FIFONumber, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 756 | { |
mbed_official | 237:f3da66175598 | 757 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 758 | |
mbed_official | 237:f3da66175598 | 759 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 760 | assert_param(IS_CAN_FIFO(FIFONumber)); |
mbed_official | 237:f3da66175598 | 761 | |
mbed_official | 237:f3da66175598 | 762 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 763 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 764 | |
mbed_official | 237:f3da66175598 | 765 | if(hcan->State == HAL_CAN_STATE_BUSY_TX) |
mbed_official | 237:f3da66175598 | 766 | { |
mbed_official | 237:f3da66175598 | 767 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 768 | hcan->State = HAL_CAN_STATE_BUSY_TX_RX; |
mbed_official | 237:f3da66175598 | 769 | } |
mbed_official | 237:f3da66175598 | 770 | else |
mbed_official | 237:f3da66175598 | 771 | { |
mbed_official | 237:f3da66175598 | 772 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 773 | hcan->State = HAL_CAN_STATE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 774 | } |
mbed_official | 237:f3da66175598 | 775 | |
mbed_official | 237:f3da66175598 | 776 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 777 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 778 | |
mbed_official | 237:f3da66175598 | 779 | /* Check pending message */ |
mbed_official | 237:f3da66175598 | 780 | while(__HAL_CAN_MSG_PENDING(hcan, FIFONumber) == 0) |
mbed_official | 237:f3da66175598 | 781 | { |
mbed_official | 237:f3da66175598 | 782 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 783 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 784 | { |
mbed_official | 237:f3da66175598 | 785 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 786 | { |
mbed_official | 237:f3da66175598 | 787 | hcan->State = HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 788 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 789 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 790 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 791 | } |
mbed_official | 237:f3da66175598 | 792 | } |
mbed_official | 237:f3da66175598 | 793 | } |
mbed_official | 237:f3da66175598 | 794 | |
mbed_official | 237:f3da66175598 | 795 | /* Get the Id */ |
mbed_official | 237:f3da66175598 | 796 | hcan->pRxMsg->IDE = (uint8_t)0x04 & hcan->Instance->sFIFOMailBox[FIFONumber].RIR; |
mbed_official | 237:f3da66175598 | 797 | if (hcan->pRxMsg->IDE == CAN_ID_STD) |
mbed_official | 237:f3da66175598 | 798 | { |
mbed_official | 237:f3da66175598 | 799 | hcan->pRxMsg->StdId = (uint32_t)0x000007FF & (hcan->Instance->sFIFOMailBox[FIFONumber].RIR >> 21); |
mbed_official | 237:f3da66175598 | 800 | } |
mbed_official | 237:f3da66175598 | 801 | else |
mbed_official | 237:f3da66175598 | 802 | { |
mbed_official | 237:f3da66175598 | 803 | hcan->pRxMsg->ExtId = (uint32_t)0x1FFFFFFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RIR >> 3); |
mbed_official | 237:f3da66175598 | 804 | } |
mbed_official | 237:f3da66175598 | 805 | |
mbed_official | 237:f3da66175598 | 806 | hcan->pRxMsg->RTR = (uint8_t)0x02 & hcan->Instance->sFIFOMailBox[FIFONumber].RIR; |
mbed_official | 237:f3da66175598 | 807 | /* Get the DLC */ |
mbed_official | 237:f3da66175598 | 808 | hcan->pRxMsg->DLC = (uint8_t)0x0F & hcan->Instance->sFIFOMailBox[FIFONumber].RDTR; |
mbed_official | 237:f3da66175598 | 809 | /* Get the FMI */ |
mbed_official | 237:f3da66175598 | 810 | hcan->pRxMsg->FMI = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDTR >> 8); |
mbed_official | 237:f3da66175598 | 811 | /* Get the data field */ |
mbed_official | 237:f3da66175598 | 812 | hcan->pRxMsg->Data[0] = (uint8_t)0xFF & hcan->Instance->sFIFOMailBox[FIFONumber].RDLR; |
mbed_official | 237:f3da66175598 | 813 | hcan->pRxMsg->Data[1] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 8); |
mbed_official | 237:f3da66175598 | 814 | hcan->pRxMsg->Data[2] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 16); |
mbed_official | 237:f3da66175598 | 815 | hcan->pRxMsg->Data[3] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 24); |
mbed_official | 237:f3da66175598 | 816 | hcan->pRxMsg->Data[4] = (uint8_t)0xFF & hcan->Instance->sFIFOMailBox[FIFONumber].RDHR; |
mbed_official | 237:f3da66175598 | 817 | hcan->pRxMsg->Data[5] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 8); |
mbed_official | 237:f3da66175598 | 818 | hcan->pRxMsg->Data[6] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 16); |
mbed_official | 237:f3da66175598 | 819 | hcan->pRxMsg->Data[7] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 24); |
mbed_official | 237:f3da66175598 | 820 | |
mbed_official | 237:f3da66175598 | 821 | /* Release the FIFO */ |
mbed_official | 237:f3da66175598 | 822 | if(FIFONumber == CAN_FIFO0) |
mbed_official | 237:f3da66175598 | 823 | { |
mbed_official | 237:f3da66175598 | 824 | /* Release FIFO0 */ |
mbed_official | 237:f3da66175598 | 825 | __HAL_CAN_FIFO_RELEASE(hcan, CAN_FIFO0); |
mbed_official | 237:f3da66175598 | 826 | } |
mbed_official | 237:f3da66175598 | 827 | else /* FIFONumber == CAN_FIFO1 */ |
mbed_official | 237:f3da66175598 | 828 | { |
mbed_official | 237:f3da66175598 | 829 | /* Release FIFO1 */ |
mbed_official | 237:f3da66175598 | 830 | __HAL_CAN_FIFO_RELEASE(hcan, CAN_FIFO1); |
mbed_official | 237:f3da66175598 | 831 | } |
mbed_official | 237:f3da66175598 | 832 | |
mbed_official | 237:f3da66175598 | 833 | if(hcan->State == HAL_CAN_STATE_BUSY_TX_RX) |
mbed_official | 237:f3da66175598 | 834 | { |
mbed_official | 237:f3da66175598 | 835 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 836 | hcan->State = HAL_CAN_STATE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 837 | } |
mbed_official | 237:f3da66175598 | 838 | else |
mbed_official | 237:f3da66175598 | 839 | { |
mbed_official | 237:f3da66175598 | 840 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 841 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 842 | } |
mbed_official | 237:f3da66175598 | 843 | |
mbed_official | 237:f3da66175598 | 844 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 845 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 846 | |
mbed_official | 237:f3da66175598 | 847 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 848 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 849 | } |
mbed_official | 237:f3da66175598 | 850 | |
mbed_official | 237:f3da66175598 | 851 | /** |
mbed_official | 237:f3da66175598 | 852 | * @brief Receives a correct CAN frame. |
mbed_official | 237:f3da66175598 | 853 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 854 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 855 | * @param FIFONumber: FIFO number. |
mbed_official | 237:f3da66175598 | 856 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 857 | * @retval None |
mbed_official | 237:f3da66175598 | 858 | */ |
mbed_official | 237:f3da66175598 | 859 | HAL_StatusTypeDef HAL_CAN_Receive_IT(CAN_HandleTypeDef* hcan, uint8_t FIFONumber) |
mbed_official | 237:f3da66175598 | 860 | { |
mbed_official | 237:f3da66175598 | 861 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 862 | assert_param(IS_CAN_FIFO(FIFONumber)); |
mbed_official | 237:f3da66175598 | 863 | |
mbed_official | 237:f3da66175598 | 864 | if((hcan->State == HAL_CAN_STATE_READY) || (hcan->State == HAL_CAN_STATE_BUSY_TX)) |
mbed_official | 237:f3da66175598 | 865 | { |
mbed_official | 237:f3da66175598 | 866 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 867 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 868 | |
mbed_official | 237:f3da66175598 | 869 | if(hcan->State == HAL_CAN_STATE_BUSY_TX) |
mbed_official | 237:f3da66175598 | 870 | { |
mbed_official | 237:f3da66175598 | 871 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 872 | hcan->State = HAL_CAN_STATE_BUSY_TX_RX; |
mbed_official | 237:f3da66175598 | 873 | } |
mbed_official | 237:f3da66175598 | 874 | else |
mbed_official | 237:f3da66175598 | 875 | { |
mbed_official | 237:f3da66175598 | 876 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 877 | hcan->State = HAL_CAN_STATE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 878 | } |
mbed_official | 237:f3da66175598 | 879 | |
mbed_official | 237:f3da66175598 | 880 | /* Set CAN error code to none */ |
mbed_official | 237:f3da66175598 | 881 | hcan->ErrorCode = HAL_CAN_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 882 | |
mbed_official | 237:f3da66175598 | 883 | /* Enable Error warning Interrupt */ |
mbed_official | 237:f3da66175598 | 884 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_EWG); |
mbed_official | 237:f3da66175598 | 885 | |
mbed_official | 237:f3da66175598 | 886 | /* Enable Error passive Interrupt */ |
mbed_official | 237:f3da66175598 | 887 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_EPV); |
mbed_official | 237:f3da66175598 | 888 | |
mbed_official | 237:f3da66175598 | 889 | /* Enable Bus-off Interrupt */ |
mbed_official | 237:f3da66175598 | 890 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_BOF); |
mbed_official | 237:f3da66175598 | 891 | |
mbed_official | 237:f3da66175598 | 892 | /* Enable Last error code Interrupt */ |
mbed_official | 237:f3da66175598 | 893 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_LEC); |
mbed_official | 237:f3da66175598 | 894 | |
mbed_official | 237:f3da66175598 | 895 | /* Enable Error Interrupt */ |
mbed_official | 237:f3da66175598 | 896 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_ERR); |
mbed_official | 237:f3da66175598 | 897 | |
mbed_official | 237:f3da66175598 | 898 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 899 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 900 | |
mbed_official | 237:f3da66175598 | 901 | if(FIFONumber == CAN_FIFO0) |
mbed_official | 237:f3da66175598 | 902 | { |
mbed_official | 237:f3da66175598 | 903 | /* Enable FIFO 0 message pending Interrupt */ |
mbed_official | 237:f3da66175598 | 904 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_FMP0); |
mbed_official | 237:f3da66175598 | 905 | } |
mbed_official | 237:f3da66175598 | 906 | else |
mbed_official | 237:f3da66175598 | 907 | { |
mbed_official | 237:f3da66175598 | 908 | /* Enable FIFO 1 message pending Interrupt */ |
mbed_official | 237:f3da66175598 | 909 | __HAL_CAN_ENABLE_IT(hcan, CAN_IT_FMP1); |
mbed_official | 237:f3da66175598 | 910 | } |
mbed_official | 237:f3da66175598 | 911 | |
mbed_official | 237:f3da66175598 | 912 | } |
mbed_official | 237:f3da66175598 | 913 | else |
mbed_official | 237:f3da66175598 | 914 | { |
mbed_official | 237:f3da66175598 | 915 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 916 | } |
mbed_official | 237:f3da66175598 | 917 | |
mbed_official | 237:f3da66175598 | 918 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 919 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 920 | } |
mbed_official | 237:f3da66175598 | 921 | |
mbed_official | 237:f3da66175598 | 922 | /** |
mbed_official | 237:f3da66175598 | 923 | * @brief Enters the Sleep (low power) mode. |
mbed_official | 237:f3da66175598 | 924 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 925 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 926 | * @retval HAL status. |
mbed_official | 237:f3da66175598 | 927 | */ |
mbed_official | 237:f3da66175598 | 928 | HAL_StatusTypeDef HAL_CAN_Sleep(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 929 | { |
mbed_official | 237:f3da66175598 | 930 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 931 | |
mbed_official | 237:f3da66175598 | 932 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 933 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 934 | |
mbed_official | 237:f3da66175598 | 935 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 936 | hcan->State = HAL_CAN_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 937 | |
mbed_official | 237:f3da66175598 | 938 | /* Request Sleep mode */ |
mbed_official | 237:f3da66175598 | 939 | hcan->Instance->MCR = (((hcan->Instance->MCR) & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP); |
mbed_official | 237:f3da66175598 | 940 | |
mbed_official | 237:f3da66175598 | 941 | /* Sleep mode status */ |
mbed_official | 237:f3da66175598 | 942 | if ((hcan->Instance->MSR & (CAN_MSR_SLAK|CAN_MSR_INAK)) != CAN_MSR_SLAK) |
mbed_official | 237:f3da66175598 | 943 | { |
mbed_official | 237:f3da66175598 | 944 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 945 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 946 | |
mbed_official | 237:f3da66175598 | 947 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 948 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 949 | } |
mbed_official | 237:f3da66175598 | 950 | |
mbed_official | 237:f3da66175598 | 951 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 952 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 953 | |
mbed_official | 237:f3da66175598 | 954 | /* Wait the acknowledge */ |
mbed_official | 237:f3da66175598 | 955 | while((hcan->Instance->MSR & (CAN_MSR_SLAK|CAN_MSR_INAK)) != CAN_MSR_SLAK) |
mbed_official | 237:f3da66175598 | 956 | { |
mbed_official | 237:f3da66175598 | 957 | if((HAL_GetTick()-tickstart) > 10) |
mbed_official | 237:f3da66175598 | 958 | { |
mbed_official | 237:f3da66175598 | 959 | hcan->State = HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 960 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 961 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 962 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 963 | } |
mbed_official | 237:f3da66175598 | 964 | } |
mbed_official | 237:f3da66175598 | 965 | |
mbed_official | 237:f3da66175598 | 966 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 967 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 968 | |
mbed_official | 237:f3da66175598 | 969 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 970 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 971 | |
mbed_official | 237:f3da66175598 | 972 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 973 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 974 | } |
mbed_official | 237:f3da66175598 | 975 | |
mbed_official | 237:f3da66175598 | 976 | /** |
mbed_official | 237:f3da66175598 | 977 | * @brief Wakes up the CAN peripheral from sleep mode, after that the CAN peripheral |
mbed_official | 237:f3da66175598 | 978 | * is in the normal mode. |
mbed_official | 237:f3da66175598 | 979 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 980 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 981 | * @retval HAL status. |
mbed_official | 237:f3da66175598 | 982 | */ |
mbed_official | 237:f3da66175598 | 983 | HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 984 | { |
mbed_official | 237:f3da66175598 | 985 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 986 | |
mbed_official | 237:f3da66175598 | 987 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 988 | __HAL_LOCK(hcan); |
mbed_official | 237:f3da66175598 | 989 | |
mbed_official | 237:f3da66175598 | 990 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 991 | hcan->State = HAL_CAN_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 992 | |
mbed_official | 237:f3da66175598 | 993 | /* Wake up request */ |
mbed_official | 237:f3da66175598 | 994 | hcan->Instance->MCR &= ~(uint32_t)CAN_MCR_SLEEP; |
mbed_official | 237:f3da66175598 | 995 | |
mbed_official | 237:f3da66175598 | 996 | /* Get timeout */ |
mbed_official | 237:f3da66175598 | 997 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 998 | |
mbed_official | 237:f3da66175598 | 999 | /* Sleep mode status */ |
mbed_official | 237:f3da66175598 | 1000 | while((hcan->Instance->MSR & CAN_MSR_SLAK) == CAN_MSR_SLAK) |
mbed_official | 237:f3da66175598 | 1001 | { |
mbed_official | 237:f3da66175598 | 1002 | if((HAL_GetTick()-tickstart) > 10) |
mbed_official | 237:f3da66175598 | 1003 | { |
mbed_official | 237:f3da66175598 | 1004 | hcan->State= HAL_CAN_STATE_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1005 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 1006 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 1007 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1008 | } |
mbed_official | 237:f3da66175598 | 1009 | } |
mbed_official | 237:f3da66175598 | 1010 | if((hcan->Instance->MSR & CAN_MSR_SLAK) == CAN_MSR_SLAK) |
mbed_official | 237:f3da66175598 | 1011 | { |
mbed_official | 237:f3da66175598 | 1012 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 1013 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 1014 | |
mbed_official | 237:f3da66175598 | 1015 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 1016 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1017 | } |
mbed_official | 237:f3da66175598 | 1018 | |
mbed_official | 237:f3da66175598 | 1019 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 1020 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 1021 | |
mbed_official | 237:f3da66175598 | 1022 | /* Process unlocked */ |
mbed_official | 237:f3da66175598 | 1023 | __HAL_UNLOCK(hcan); |
mbed_official | 237:f3da66175598 | 1024 | |
mbed_official | 237:f3da66175598 | 1025 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 1026 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1027 | } |
mbed_official | 237:f3da66175598 | 1028 | |
mbed_official | 237:f3da66175598 | 1029 | /** |
mbed_official | 237:f3da66175598 | 1030 | * @brief Handles CAN interrupt request |
mbed_official | 237:f3da66175598 | 1031 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1032 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1033 | * @retval None |
mbed_official | 237:f3da66175598 | 1034 | */ |
mbed_official | 237:f3da66175598 | 1035 | void HAL_CAN_IRQHandler(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 1036 | { |
mbed_official | 237:f3da66175598 | 1037 | /* Check End of transmission flag */ |
mbed_official | 237:f3da66175598 | 1038 | if(__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_TME)) |
mbed_official | 237:f3da66175598 | 1039 | { |
mbed_official | 237:f3da66175598 | 1040 | if((__HAL_CAN_TRANSMIT_STATUS(hcan, CAN_TXMAILBOX_0)) || |
mbed_official | 237:f3da66175598 | 1041 | (__HAL_CAN_TRANSMIT_STATUS(hcan, CAN_TXMAILBOX_1)) || |
mbed_official | 237:f3da66175598 | 1042 | (__HAL_CAN_TRANSMIT_STATUS(hcan, CAN_TXMAILBOX_2))) |
mbed_official | 237:f3da66175598 | 1043 | { |
mbed_official | 237:f3da66175598 | 1044 | /* Call transmit function */ |
mbed_official | 237:f3da66175598 | 1045 | CAN_Transmit_IT(hcan); |
mbed_official | 237:f3da66175598 | 1046 | } |
mbed_official | 237:f3da66175598 | 1047 | } |
mbed_official | 237:f3da66175598 | 1048 | |
mbed_official | 237:f3da66175598 | 1049 | /* Check End of reception flag for FIFO0 */ |
mbed_official | 237:f3da66175598 | 1050 | if((__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_FMP0)) && |
mbed_official | 237:f3da66175598 | 1051 | (__HAL_CAN_MSG_PENDING(hcan, CAN_FIFO0) != 0)) |
mbed_official | 237:f3da66175598 | 1052 | { |
mbed_official | 237:f3da66175598 | 1053 | /* Call receive function */ |
mbed_official | 237:f3da66175598 | 1054 | CAN_Receive_IT(hcan, CAN_FIFO0); |
mbed_official | 237:f3da66175598 | 1055 | } |
mbed_official | 237:f3da66175598 | 1056 | |
mbed_official | 237:f3da66175598 | 1057 | /* Check End of reception flag for FIFO1 */ |
mbed_official | 237:f3da66175598 | 1058 | if((__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_FMP1)) && |
mbed_official | 237:f3da66175598 | 1059 | (__HAL_CAN_MSG_PENDING(hcan, CAN_FIFO1) != 0)) |
mbed_official | 237:f3da66175598 | 1060 | { |
mbed_official | 237:f3da66175598 | 1061 | /* Call receive function */ |
mbed_official | 237:f3da66175598 | 1062 | CAN_Receive_IT(hcan, CAN_FIFO1); |
mbed_official | 237:f3da66175598 | 1063 | } |
mbed_official | 237:f3da66175598 | 1064 | |
mbed_official | 237:f3da66175598 | 1065 | /* Check Error Warning Flag */ |
mbed_official | 237:f3da66175598 | 1066 | if((__HAL_CAN_GET_FLAG(hcan, CAN_FLAG_EWG)) && |
mbed_official | 237:f3da66175598 | 1067 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_EWG)) && |
mbed_official | 237:f3da66175598 | 1068 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_ERR))) |
mbed_official | 237:f3da66175598 | 1069 | { |
mbed_official | 237:f3da66175598 | 1070 | /* Set CAN error code to EWG error */ |
mbed_official | 237:f3da66175598 | 1071 | hcan->ErrorCode |= HAL_CAN_ERROR_EWG; |
mbed_official | 237:f3da66175598 | 1072 | /* No need for clear of Error Warning Flag as read-only */ |
mbed_official | 237:f3da66175598 | 1073 | } |
mbed_official | 237:f3da66175598 | 1074 | |
mbed_official | 237:f3da66175598 | 1075 | /* Check Error Passive Flag */ |
mbed_official | 237:f3da66175598 | 1076 | if((__HAL_CAN_GET_FLAG(hcan, CAN_FLAG_EPV)) && |
mbed_official | 237:f3da66175598 | 1077 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_EPV)) && |
mbed_official | 237:f3da66175598 | 1078 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_ERR))) |
mbed_official | 237:f3da66175598 | 1079 | { |
mbed_official | 237:f3da66175598 | 1080 | /* Set CAN error code to EPV error */ |
mbed_official | 237:f3da66175598 | 1081 | hcan->ErrorCode |= HAL_CAN_ERROR_EPV; |
mbed_official | 237:f3da66175598 | 1082 | /* No need for clear of Error Passive Flag as read-only */ |
mbed_official | 237:f3da66175598 | 1083 | } |
mbed_official | 237:f3da66175598 | 1084 | |
mbed_official | 237:f3da66175598 | 1085 | /* Check Bus-Off Flag */ |
mbed_official | 237:f3da66175598 | 1086 | if((__HAL_CAN_GET_FLAG(hcan, CAN_FLAG_BOF)) && |
mbed_official | 237:f3da66175598 | 1087 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_BOF)) && |
mbed_official | 237:f3da66175598 | 1088 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_ERR))) |
mbed_official | 237:f3da66175598 | 1089 | { |
mbed_official | 237:f3da66175598 | 1090 | /* Set CAN error code to BOF error */ |
mbed_official | 237:f3da66175598 | 1091 | hcan->ErrorCode |= HAL_CAN_ERROR_BOF; |
mbed_official | 237:f3da66175598 | 1092 | /* No need for clear of Bus-Off Flag as read-only */ |
mbed_official | 237:f3da66175598 | 1093 | } |
mbed_official | 237:f3da66175598 | 1094 | |
mbed_official | 237:f3da66175598 | 1095 | /* Check Last error code Flag */ |
mbed_official | 237:f3da66175598 | 1096 | if((!HAL_IS_BIT_CLR(hcan->Instance->ESR, CAN_ESR_LEC)) && |
mbed_official | 237:f3da66175598 | 1097 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_LEC)) && |
mbed_official | 237:f3da66175598 | 1098 | (__HAL_CAN_GET_IT_SOURCE(hcan, CAN_IT_ERR))) |
mbed_official | 237:f3da66175598 | 1099 | { |
mbed_official | 237:f3da66175598 | 1100 | switch(hcan->Instance->ESR & CAN_ESR_LEC) |
mbed_official | 237:f3da66175598 | 1101 | { |
mbed_official | 237:f3da66175598 | 1102 | case(CAN_ESR_LEC_0): |
mbed_official | 237:f3da66175598 | 1103 | /* Set CAN error code to STF error */ |
mbed_official | 237:f3da66175598 | 1104 | hcan->ErrorCode |= HAL_CAN_ERROR_STF; |
mbed_official | 237:f3da66175598 | 1105 | break; |
mbed_official | 237:f3da66175598 | 1106 | case(CAN_ESR_LEC_1): |
mbed_official | 237:f3da66175598 | 1107 | /* Set CAN error code to FOR error */ |
mbed_official | 237:f3da66175598 | 1108 | hcan->ErrorCode |= HAL_CAN_ERROR_FOR; |
mbed_official | 237:f3da66175598 | 1109 | break; |
mbed_official | 237:f3da66175598 | 1110 | case(CAN_ESR_LEC_1 | CAN_ESR_LEC_0): |
mbed_official | 237:f3da66175598 | 1111 | /* Set CAN error code to ACK error */ |
mbed_official | 237:f3da66175598 | 1112 | hcan->ErrorCode |= HAL_CAN_ERROR_ACK; |
mbed_official | 237:f3da66175598 | 1113 | break; |
mbed_official | 237:f3da66175598 | 1114 | case(CAN_ESR_LEC_2): |
mbed_official | 237:f3da66175598 | 1115 | /* Set CAN error code to BR error */ |
mbed_official | 237:f3da66175598 | 1116 | hcan->ErrorCode |= HAL_CAN_ERROR_BR; |
mbed_official | 237:f3da66175598 | 1117 | break; |
mbed_official | 237:f3da66175598 | 1118 | case(CAN_ESR_LEC_2 | CAN_ESR_LEC_0): |
mbed_official | 237:f3da66175598 | 1119 | /* Set CAN error code to BD error */ |
mbed_official | 237:f3da66175598 | 1120 | hcan->ErrorCode |= HAL_CAN_ERROR_BD; |
mbed_official | 237:f3da66175598 | 1121 | break; |
mbed_official | 237:f3da66175598 | 1122 | case(CAN_ESR_LEC_2 | CAN_ESR_LEC_1): |
mbed_official | 237:f3da66175598 | 1123 | /* Set CAN error code to CRC error */ |
mbed_official | 237:f3da66175598 | 1124 | hcan->ErrorCode |= HAL_CAN_ERROR_CRC; |
mbed_official | 237:f3da66175598 | 1125 | break; |
mbed_official | 237:f3da66175598 | 1126 | default: |
mbed_official | 237:f3da66175598 | 1127 | break; |
mbed_official | 237:f3da66175598 | 1128 | } |
mbed_official | 237:f3da66175598 | 1129 | |
mbed_official | 237:f3da66175598 | 1130 | /* Clear Last error code Flag */ |
mbed_official | 237:f3da66175598 | 1131 | hcan->Instance->ESR &= ~(CAN_ESR_LEC); |
mbed_official | 237:f3da66175598 | 1132 | } |
mbed_official | 237:f3da66175598 | 1133 | |
mbed_official | 237:f3da66175598 | 1134 | /* Call the Error call Back in case of Errors */ |
mbed_official | 237:f3da66175598 | 1135 | if(hcan->ErrorCode != HAL_CAN_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 1136 | { |
mbed_official | 237:f3da66175598 | 1137 | /* Set the CAN state ready to be able to start again the process */ |
mbed_official | 237:f3da66175598 | 1138 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 1139 | /* Call Error callback function */ |
mbed_official | 237:f3da66175598 | 1140 | HAL_CAN_ErrorCallback(hcan); |
mbed_official | 237:f3da66175598 | 1141 | } |
mbed_official | 237:f3da66175598 | 1142 | } |
mbed_official | 237:f3da66175598 | 1143 | |
mbed_official | 237:f3da66175598 | 1144 | /** |
mbed_official | 237:f3da66175598 | 1145 | * @brief Transmission complete callback in non blocking mode |
mbed_official | 237:f3da66175598 | 1146 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1147 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1148 | * @retval None |
mbed_official | 237:f3da66175598 | 1149 | */ |
mbed_official | 237:f3da66175598 | 1150 | __weak void HAL_CAN_TxCpltCallback(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 1151 | { |
mbed_official | 237:f3da66175598 | 1152 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 1153 | the HAL_CAN_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 1154 | */ |
mbed_official | 237:f3da66175598 | 1155 | } |
mbed_official | 237:f3da66175598 | 1156 | |
mbed_official | 237:f3da66175598 | 1157 | /** |
mbed_official | 237:f3da66175598 | 1158 | * @brief Transmission complete callback in non blocking mode |
mbed_official | 237:f3da66175598 | 1159 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1160 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1161 | * @retval None |
mbed_official | 237:f3da66175598 | 1162 | */ |
mbed_official | 237:f3da66175598 | 1163 | __weak void HAL_CAN_RxCpltCallback(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 1164 | { |
mbed_official | 237:f3da66175598 | 1165 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 1166 | the HAL_CAN_RxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 1167 | */ |
mbed_official | 237:f3da66175598 | 1168 | } |
mbed_official | 237:f3da66175598 | 1169 | |
mbed_official | 237:f3da66175598 | 1170 | /** |
mbed_official | 237:f3da66175598 | 1171 | * @brief Error CAN callback. |
mbed_official | 237:f3da66175598 | 1172 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1173 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1174 | * @retval None |
mbed_official | 237:f3da66175598 | 1175 | */ |
mbed_official | 237:f3da66175598 | 1176 | __weak void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan) |
mbed_official | 237:f3da66175598 | 1177 | { |
mbed_official | 237:f3da66175598 | 1178 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 1179 | the HAL_CAN_ErrorCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 1180 | */ |
mbed_official | 237:f3da66175598 | 1181 | } |
mbed_official | 237:f3da66175598 | 1182 | |
mbed_official | 237:f3da66175598 | 1183 | /** |
mbed_official | 237:f3da66175598 | 1184 | * @} |
mbed_official | 237:f3da66175598 | 1185 | */ |
mbed_official | 237:f3da66175598 | 1186 | |
mbed_official | 237:f3da66175598 | 1187 | /** @defgroup CAN_Group3 Peripheral State and Error functions |
mbed_official | 237:f3da66175598 | 1188 | * @brief CAN Peripheral State functions |
mbed_official | 237:f3da66175598 | 1189 | * |
mbed_official | 237:f3da66175598 | 1190 | @verbatim |
mbed_official | 237:f3da66175598 | 1191 | ============================================================================== |
mbed_official | 237:f3da66175598 | 1192 | ##### Peripheral State and Error functions ##### |
mbed_official | 237:f3da66175598 | 1193 | ============================================================================== |
mbed_official | 237:f3da66175598 | 1194 | [..] |
mbed_official | 237:f3da66175598 | 1195 | This subsection provides functions allowing to : |
mbed_official | 237:f3da66175598 | 1196 | (+) Check the CAN state. |
mbed_official | 237:f3da66175598 | 1197 | (+) Check CAN Errors detected during interrupt process |
mbed_official | 237:f3da66175598 | 1198 | |
mbed_official | 237:f3da66175598 | 1199 | @endverbatim |
mbed_official | 237:f3da66175598 | 1200 | * @{ |
mbed_official | 237:f3da66175598 | 1201 | */ |
mbed_official | 237:f3da66175598 | 1202 | |
mbed_official | 237:f3da66175598 | 1203 | /** |
mbed_official | 237:f3da66175598 | 1204 | * @brief return the CAN state |
mbed_official | 237:f3da66175598 | 1205 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1206 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1207 | * @retval HAL state |
mbed_official | 237:f3da66175598 | 1208 | */ |
mbed_official | 237:f3da66175598 | 1209 | HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 1210 | { |
mbed_official | 237:f3da66175598 | 1211 | /* Return CAN state */ |
mbed_official | 237:f3da66175598 | 1212 | return hcan->State; |
mbed_official | 237:f3da66175598 | 1213 | } |
mbed_official | 237:f3da66175598 | 1214 | |
mbed_official | 237:f3da66175598 | 1215 | /** |
mbed_official | 237:f3da66175598 | 1216 | * @brief Return the CAN error code |
mbed_official | 237:f3da66175598 | 1217 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1218 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1219 | * @retval CAN Error Code |
mbed_official | 237:f3da66175598 | 1220 | */ |
mbed_official | 237:f3da66175598 | 1221 | uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan) |
mbed_official | 237:f3da66175598 | 1222 | { |
mbed_official | 237:f3da66175598 | 1223 | return hcan->ErrorCode; |
mbed_official | 237:f3da66175598 | 1224 | } |
mbed_official | 237:f3da66175598 | 1225 | |
mbed_official | 237:f3da66175598 | 1226 | /** |
mbed_official | 237:f3da66175598 | 1227 | * @} |
mbed_official | 237:f3da66175598 | 1228 | */ |
mbed_official | 237:f3da66175598 | 1229 | |
mbed_official | 237:f3da66175598 | 1230 | /** |
mbed_official | 237:f3da66175598 | 1231 | * @brief Initiates and transmits a CAN frame message. |
mbed_official | 237:f3da66175598 | 1232 | * @param hcan: pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1233 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1234 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1235 | */ |
mbed_official | 237:f3da66175598 | 1236 | static HAL_StatusTypeDef CAN_Transmit_IT(CAN_HandleTypeDef* hcan) |
mbed_official | 237:f3da66175598 | 1237 | { |
mbed_official | 237:f3da66175598 | 1238 | /* Disable Transmit mailbox empty Interrupt */ |
mbed_official | 237:f3da66175598 | 1239 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_TME); |
mbed_official | 237:f3da66175598 | 1240 | |
mbed_official | 237:f3da66175598 | 1241 | if(hcan->State == HAL_CAN_STATE_BUSY_TX) |
mbed_official | 237:f3da66175598 | 1242 | { |
mbed_official | 237:f3da66175598 | 1243 | /* Disable Error warning Interrupt */ |
mbed_official | 237:f3da66175598 | 1244 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_EWG); |
mbed_official | 237:f3da66175598 | 1245 | |
mbed_official | 237:f3da66175598 | 1246 | /* Disable Error passive Interrupt */ |
mbed_official | 237:f3da66175598 | 1247 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_EPV); |
mbed_official | 237:f3da66175598 | 1248 | |
mbed_official | 237:f3da66175598 | 1249 | /* Disable Bus-off Interrupt */ |
mbed_official | 237:f3da66175598 | 1250 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_BOF); |
mbed_official | 237:f3da66175598 | 1251 | |
mbed_official | 237:f3da66175598 | 1252 | /* Disable Last error code Interrupt */ |
mbed_official | 237:f3da66175598 | 1253 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_LEC); |
mbed_official | 237:f3da66175598 | 1254 | |
mbed_official | 237:f3da66175598 | 1255 | /* Disable Error Interrupt */ |
mbed_official | 237:f3da66175598 | 1256 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_ERR); |
mbed_official | 237:f3da66175598 | 1257 | } |
mbed_official | 237:f3da66175598 | 1258 | |
mbed_official | 237:f3da66175598 | 1259 | if(hcan->State == HAL_CAN_STATE_BUSY_TX_RX) |
mbed_official | 237:f3da66175598 | 1260 | { |
mbed_official | 237:f3da66175598 | 1261 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 1262 | hcan->State = HAL_CAN_STATE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1263 | } |
mbed_official | 237:f3da66175598 | 1264 | else |
mbed_official | 237:f3da66175598 | 1265 | { |
mbed_official | 237:f3da66175598 | 1266 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 1267 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 1268 | } |
mbed_official | 237:f3da66175598 | 1269 | |
mbed_official | 237:f3da66175598 | 1270 | /* Transmission complete callback */ |
mbed_official | 237:f3da66175598 | 1271 | HAL_CAN_TxCpltCallback(hcan); |
mbed_official | 237:f3da66175598 | 1272 | |
mbed_official | 237:f3da66175598 | 1273 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1274 | } |
mbed_official | 237:f3da66175598 | 1275 | |
mbed_official | 237:f3da66175598 | 1276 | /** |
mbed_official | 237:f3da66175598 | 1277 | * @brief Receives a correct CAN frame. |
mbed_official | 237:f3da66175598 | 1278 | * @param hcan: Pointer to a CAN_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1279 | * the configuration information for the specified CAN. |
mbed_official | 237:f3da66175598 | 1280 | * @param FIFONumber: Specify the FIFO number |
mbed_official | 237:f3da66175598 | 1281 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1282 | * @retval None |
mbed_official | 237:f3da66175598 | 1283 | */ |
mbed_official | 237:f3da66175598 | 1284 | static HAL_StatusTypeDef CAN_Receive_IT(CAN_HandleTypeDef* hcan, uint8_t FIFONumber) |
mbed_official | 237:f3da66175598 | 1285 | { |
mbed_official | 237:f3da66175598 | 1286 | /* Get the Id */ |
mbed_official | 237:f3da66175598 | 1287 | hcan->pRxMsg->IDE = (uint8_t)0x04 & hcan->Instance->sFIFOMailBox[FIFONumber].RIR; |
mbed_official | 237:f3da66175598 | 1288 | if (hcan->pRxMsg->IDE == CAN_ID_STD) |
mbed_official | 237:f3da66175598 | 1289 | { |
mbed_official | 237:f3da66175598 | 1290 | hcan->pRxMsg->StdId = (uint32_t)0x000007FF & (hcan->Instance->sFIFOMailBox[FIFONumber].RIR >> 21); |
mbed_official | 237:f3da66175598 | 1291 | } |
mbed_official | 237:f3da66175598 | 1292 | else |
mbed_official | 237:f3da66175598 | 1293 | { |
mbed_official | 237:f3da66175598 | 1294 | hcan->pRxMsg->ExtId = (uint32_t)0x1FFFFFFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RIR >> 3); |
mbed_official | 237:f3da66175598 | 1295 | } |
mbed_official | 237:f3da66175598 | 1296 | |
mbed_official | 237:f3da66175598 | 1297 | hcan->pRxMsg->RTR = (uint8_t)0x02 & hcan->Instance->sFIFOMailBox[FIFONumber].RIR; |
mbed_official | 237:f3da66175598 | 1298 | /* Get the DLC */ |
mbed_official | 237:f3da66175598 | 1299 | hcan->pRxMsg->DLC = (uint8_t)0x0F & hcan->Instance->sFIFOMailBox[FIFONumber].RDTR; |
mbed_official | 237:f3da66175598 | 1300 | /* Get the FMI */ |
mbed_official | 237:f3da66175598 | 1301 | hcan->pRxMsg->FMI = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDTR >> 8); |
mbed_official | 237:f3da66175598 | 1302 | /* Get the data field */ |
mbed_official | 237:f3da66175598 | 1303 | hcan->pRxMsg->Data[0] = (uint8_t)0xFF & hcan->Instance->sFIFOMailBox[FIFONumber].RDLR; |
mbed_official | 237:f3da66175598 | 1304 | hcan->pRxMsg->Data[1] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 8); |
mbed_official | 237:f3da66175598 | 1305 | hcan->pRxMsg->Data[2] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 16); |
mbed_official | 237:f3da66175598 | 1306 | hcan->pRxMsg->Data[3] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDLR >> 24); |
mbed_official | 237:f3da66175598 | 1307 | hcan->pRxMsg->Data[4] = (uint8_t)0xFF & hcan->Instance->sFIFOMailBox[FIFONumber].RDHR; |
mbed_official | 237:f3da66175598 | 1308 | hcan->pRxMsg->Data[5] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 8); |
mbed_official | 237:f3da66175598 | 1309 | hcan->pRxMsg->Data[6] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 16); |
mbed_official | 237:f3da66175598 | 1310 | hcan->pRxMsg->Data[7] = (uint8_t)0xFF & (hcan->Instance->sFIFOMailBox[FIFONumber].RDHR >> 24); |
mbed_official | 237:f3da66175598 | 1311 | /* Release the FIFO */ |
mbed_official | 237:f3da66175598 | 1312 | /* Release FIFO0 */ |
mbed_official | 237:f3da66175598 | 1313 | if (FIFONumber == CAN_FIFO0) |
mbed_official | 237:f3da66175598 | 1314 | { |
mbed_official | 237:f3da66175598 | 1315 | __HAL_CAN_FIFO_RELEASE(hcan, CAN_FIFO0); |
mbed_official | 237:f3da66175598 | 1316 | |
mbed_official | 237:f3da66175598 | 1317 | /* Disable FIFO 0 message pending Interrupt */ |
mbed_official | 237:f3da66175598 | 1318 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_FMP0); |
mbed_official | 237:f3da66175598 | 1319 | } |
mbed_official | 237:f3da66175598 | 1320 | /* Release FIFO1 */ |
mbed_official | 237:f3da66175598 | 1321 | else /* FIFONumber == CAN_FIFO1 */ |
mbed_official | 237:f3da66175598 | 1322 | { |
mbed_official | 237:f3da66175598 | 1323 | __HAL_CAN_FIFO_RELEASE(hcan, CAN_FIFO1); |
mbed_official | 237:f3da66175598 | 1324 | |
mbed_official | 237:f3da66175598 | 1325 | /* Disable FIFO 1 message pending Interrupt */ |
mbed_official | 237:f3da66175598 | 1326 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_FMP1); |
mbed_official | 237:f3da66175598 | 1327 | } |
mbed_official | 237:f3da66175598 | 1328 | |
mbed_official | 237:f3da66175598 | 1329 | if(hcan->State == HAL_CAN_STATE_BUSY_RX) |
mbed_official | 237:f3da66175598 | 1330 | { |
mbed_official | 237:f3da66175598 | 1331 | /* Disable Error warning Interrupt */ |
mbed_official | 237:f3da66175598 | 1332 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_EWG); |
mbed_official | 237:f3da66175598 | 1333 | |
mbed_official | 237:f3da66175598 | 1334 | /* Disable Error passive Interrupt */ |
mbed_official | 237:f3da66175598 | 1335 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_EPV); |
mbed_official | 237:f3da66175598 | 1336 | |
mbed_official | 237:f3da66175598 | 1337 | /* Disable Bus-off Interrupt */ |
mbed_official | 237:f3da66175598 | 1338 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_BOF); |
mbed_official | 237:f3da66175598 | 1339 | |
mbed_official | 237:f3da66175598 | 1340 | /* Disable Last error code Interrupt */ |
mbed_official | 237:f3da66175598 | 1341 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_LEC); |
mbed_official | 237:f3da66175598 | 1342 | |
mbed_official | 237:f3da66175598 | 1343 | /* Disable Error Interrupt */ |
mbed_official | 237:f3da66175598 | 1344 | __HAL_CAN_DISABLE_IT(hcan, CAN_IT_ERR); |
mbed_official | 237:f3da66175598 | 1345 | } |
mbed_official | 237:f3da66175598 | 1346 | |
mbed_official | 237:f3da66175598 | 1347 | if(hcan->State == HAL_CAN_STATE_BUSY_TX_RX) |
mbed_official | 237:f3da66175598 | 1348 | { |
mbed_official | 237:f3da66175598 | 1349 | /* Disable CAN state */ |
mbed_official | 237:f3da66175598 | 1350 | hcan->State = HAL_CAN_STATE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1351 | } |
mbed_official | 237:f3da66175598 | 1352 | else |
mbed_official | 237:f3da66175598 | 1353 | { |
mbed_official | 237:f3da66175598 | 1354 | /* Change CAN state */ |
mbed_official | 237:f3da66175598 | 1355 | hcan->State = HAL_CAN_STATE_READY; |
mbed_official | 237:f3da66175598 | 1356 | } |
mbed_official | 237:f3da66175598 | 1357 | |
mbed_official | 237:f3da66175598 | 1358 | /* Receive complete callback */ |
mbed_official | 237:f3da66175598 | 1359 | HAL_CAN_RxCpltCallback(hcan); |
mbed_official | 237:f3da66175598 | 1360 | |
mbed_official | 237:f3da66175598 | 1361 | /* Return function status */ |
mbed_official | 237:f3da66175598 | 1362 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1363 | } |
mbed_official | 237:f3da66175598 | 1364 | |
mbed_official | 237:f3da66175598 | 1365 | /** |
mbed_official | 237:f3da66175598 | 1366 | * @} |
mbed_official | 237:f3da66175598 | 1367 | */ |
mbed_official | 237:f3da66175598 | 1368 | |
mbed_official | 237:f3da66175598 | 1369 | #endif /* defined(STM32F302x8) || defined(STM32F302xC) || */ |
mbed_official | 237:f3da66175598 | 1370 | /* defined(STM32F303x8) || defined(STM32F303xC) || defined(STM32F373xC) || */ |
mbed_official | 237:f3da66175598 | 1371 | /* defined(STM32F334x8) || */ |
mbed_official | 237:f3da66175598 | 1372 | /* defined(STM32F328xx) || defined(STM32F358xx) || defined(STM32F378xx) */ |
mbed_official | 237:f3da66175598 | 1373 | |
mbed_official | 237:f3da66175598 | 1374 | #endif /* HAL_CAN_MODULE_ENABLED */ |
mbed_official | 237:f3da66175598 | 1375 | /** |
mbed_official | 237:f3da66175598 | 1376 | * @} |
mbed_official | 237:f3da66175598 | 1377 | */ |
mbed_official | 237:f3da66175598 | 1378 | |
mbed_official | 237:f3da66175598 | 1379 | /** |
mbed_official | 237:f3da66175598 | 1380 | * @} |
mbed_official | 237:f3da66175598 | 1381 | */ |
mbed_official | 237:f3da66175598 | 1382 | |
mbed_official | 237:f3da66175598 | 1383 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |