can_api.h

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  *
00016  * Modified by Zoltan Hudak    <hudakz@inbox.com>
00017  *
00018  */
00019 #ifndef MBED_CAN_API_H
00020 #define MBED_CAN_API_H
00021 
00022 #include "device.h"
00023 #include "PinNames.h"
00024 #include "PeripheralNames.h"
00025 #include "can_helper.h"
00026 
00027 //#define DEBUG 1
00028 
00029 #undef CAN
00030 
00031 #if defined(TARGET_NUCLEO_F072RB) || \
00032     defined(TARGET_NUCLEO_F091RC)
00033     #include "stm32f0xx_hal_msp.h"
00034 #elif defined(TARGET_NUCLEO_F103RB)
00035     #include "stm32f1xx_hal_msp.h"
00036 #elif defined(TARGET_NUCLEO_F302R8) || \
00037     defined(TARGET_NUCLEO_F303RE) || \
00038     defined(TARGET_NUCLEO_F303K8) || \
00039     defined(TARGET_NUCLEO_F334R8) || \
00040     defined(TARGET_DISCO_F334C8)
00041     #include "stm32f3xx_hal_msp.h"
00042 #elif defined(TARGET_NUCLEO_F446RE)
00043    #include "stm32f4xx_hal_msp.h"
00044 #endif
00045 
00046 #ifdef __cplusplus
00047 extern "C" {
00048 #endif
00049 
00050 typedef enum {
00051     IRQ_RX,
00052     IRQ_TX,
00053     IRQ_ERROR,
00054     IRQ_OVERRUN,
00055     IRQ_WAKEUP,
00056     IRQ_PASSIVE,
00057     IRQ_ARB,
00058     IRQ_BUS,
00059     IRQ_READY
00060 } CanIrqType;
00061 
00062 
00063 typedef enum {
00064     MODE_RESET,
00065     MODE_NORMAL,
00066     MODE_SILENT,
00067     MODE_TEST_GLOBAL,
00068     MODE_TEST_LOCAL,
00069     MODE_TEST_SILENT
00070 } CanMode;
00071 
00072 typedef void (*can_irq_handler)(uint32_t id, CanIrqType type);
00073 
00074 struct can_s {
00075     CAN_TypeDef *dev;
00076     int index;
00077 };
00078 
00079 typedef struct can_s can_t;
00080 
00081 void          can_init     (can_t *obj, PinName rd, PinName td, FunctionalState abom);
00082 void          can_free     (can_t *obj);
00083 int           can_frequency(can_t *obj, int hz);
00084 
00085 void          can_irq_init (can_t *obj, can_irq_handler handler, uint32_t id);
00086 void          can_irq_free (can_t *obj);
00087 //void          can_irq_set  (can_t *obj, CanIrqType irq, uint32_t enable);
00088 void          can_irq_set(void (*fptr)(void));
00089 
00090 
00091 int           can_write    (can_t *obj, CAN_Message, int cc);
00092 int           can_read     (can_t *obj, CAN_Message *msg, int handle);
00093 int           can_mode     (can_t *obj, CanMode mode);
00094 int           can_filter   (can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle);
00095 void          can_reset    (can_t *obj);
00096 unsigned char can_rderror  (can_t *obj);
00097 unsigned char can_tderror  (can_t *obj);
00098 void          can_monitor  (can_t *obj, int silent);
00099 
00100 #ifdef __cplusplus
00101 };
00102 #endif
00103 
00104 #endif    // MBED_CAN_API_H
00105 
00106