1 |
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2 | /** \addtogroup hal */
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3 | /** @{*/
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4 | /* mbed Microcontroller Library
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5 | * Copyright (c) 2006-2016 ARM Limited
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6 | *
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7 | * Licensed under the Apache License, Version 2.0 (the "License");
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8 | * you may not use this file except in compliance with the License.
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9 | * You may obtain a copy of the License at
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10 | *
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11 | * http://www.apache.org/licenses/LICENSE-2.0
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12 | *
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13 | * Unless required by applicable law or agreed to in writing, software
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14 | * distributed under the License is distributed on an "AS IS" BASIS,
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 | * See the License for the specific language governing permissions and
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17 | * limitations under the License.
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18 | */
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19 | #ifndef MBED_CAN_API_H
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20 | #define MBED_CAN_API_H
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21 |
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22 | #include "device.h"
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23 |
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24 | #if DEVICE_CAN
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25 |
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26 | #include "PinNames.h"
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27 | #include "PeripheralNames.h"
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28 | #include "hal/can_helper.h"
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29 |
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30 | #ifdef __cplusplus
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31 | extern "C" {
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32 | #endif
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33 |
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34 | typedef enum {
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35 | IRQ_RX,
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36 | IRQ_TX,
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37 | IRQ_ERROR,
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38 | IRQ_OVERRUN,
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39 | IRQ_WAKEUP,
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40 | IRQ_PASSIVE,
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41 | IRQ_ARB,
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42 | IRQ_BUS,
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43 | IRQ_READY
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44 | } CanIrqType;
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45 |
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46 |
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47 | typedef enum {
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48 | MODE_RESET,
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49 | MODE_NORMAL,
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50 | MODE_SILENT,
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51 | MODE_TEST_LOCAL,
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52 | MODE_TEST_GLOBAL,
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53 | MODE_TEST_SILENT
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54 | } CanMode;
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55 |
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56 | typedef void (*can_irq_handler)(uint32_t id, CanIrqType type);
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57 |
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58 | typedef struct can_s can_t;
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59 |
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60 | void can_init (can_t *obj, PinName rd, PinName td);
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61 | void can_free (can_t *obj);
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62 | int can_frequency(can_t *obj, int hz);
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63 |
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64 | void can_irq_init (can_t *obj, can_irq_handler handler, uint32_t id);
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65 | void can_irq_free (can_t *obj);
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66 | void can_irq_set (can_t *obj, CanIrqType irq, uint32_t enable);
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67 |
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68 | int can_write (can_t *obj, CAN_Message, int cc);
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69 | int can_read (can_t *obj, CAN_Message *msg, int handle);
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70 | int can_mode (can_t *obj, CanMode mode);
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71 | int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle);
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72 | void can_reset (can_t *obj);
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73 | unsigned char can_rderror (can_t *obj);
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74 | unsigned char can_tderror (can_t *obj);
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75 | void can_monitor (can_t *obj, int silent);
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76 |
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77 | #ifdef __cplusplus
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78 | };
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79 | #endif
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80 |
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81 | #endif // MBED_CAN_API_H
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82 |
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83 | #endif
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84 |
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85 | /** @}*/
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