tmk_core/tool/mbed/mbed-sdk/libraries/mbed/hal/can_api.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #ifndef MBED_CAN_API_H
  17 #define MBED_CAN_API_H
  18
  19 #include "device.h"
  20
  21 #if DEVICE_CAN
  22
  23 #include "PinNames.h"
  24 #include "PeripheralNames.h"
  25 #include "can_helper.h"
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 typedef enum {
  32     IRQ_RX,
  33     IRQ_TX,
  34     IRQ_ERROR,
  35     IRQ_OVERRUN,
  36     IRQ_WAKEUP,
  37     IRQ_PASSIVE,
  38     IRQ_ARB,
  39     IRQ_BUS,
  40     IRQ_READY
  41 } CanIrqType;
  42
  43
  44 typedef enum {
  45     MODE_RESET,
  46     MODE_NORMAL,
  47     MODE_SILENT,
  48     MODE_TEST_GLOBAL,
  49     MODE_TEST_LOCAL,
  50     MODE_TEST_SILENT
  51 } CanMode;
  52
  53 typedef void (*can_irq_handler)(uint32_t id, CanIrqType type);
  54
  55 typedef struct can_s can_t;
  56
  57 void          can_init     (can_t *obj, PinName rd, PinName td);
  58 void          can_free     (can_t *obj);
  59 int           can_frequency(can_t *obj, int hz);
  60
  61 void          can_irq_init (can_t *obj, can_irq_handler handler, uint32_t id);
  62 void          can_irq_free (can_t *obj);
  63 void          can_irq_set  (can_t *obj, CanIrqType irq, uint32_t enable);
  64
  65 int           can_write    (can_t *obj, CAN_Message, int cc);
  66 int           can_read     (can_t *obj, CAN_Message *msg, int handle);
  67 int           can_mode     (can_t *obj, CanMode mode);
  68 int           can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle);
  69 void          can_reset    (can_t *obj);
  70 unsigned char can_rderror  (can_t *obj);
  71 unsigned char can_tderror  (can_t *obj);
  72 void          can_monitor  (can_t *obj, int silent);
  73
  74 #ifdef __cplusplus
  75 };
  76 #endif
  77
  78 #endif    // MBED_CAN_API_H
  79
  80 #endif