1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/**************************************************************************/
/*!
@file AdaCallback.h
@author hathach (tinyusb.org)
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2018, Adafruit Industries (adafruit.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/
#ifndef ADACALLBACK_H_
#define ADACALLBACK_H_
#include "common_inc.h"
#define CFG_CALLBACK_TASK_STACKSIZE (512*2)
#define CFG_CALLBACK_QUEUE_LENGTH 20
#define CFG_CALLBACK_TIMEOUT 100
//#ifdef __cplusplus
//extern "C"{
//#endif
typedef struct
{
void* malloced_data;
void* callback_func;
uint8_t arg_count;
bool from_isr;
// uint8_t callback_type;
// uint8_t _reserved[2];
uint32_t arguments[1]; // flexible array holder
}ada_callback_t;
VERIFY_STATIC( sizeof(ada_callback_t) == 16 );
/*------------- Defer callback type, determined by number of arguments -------------*/
typedef void (*adacb_0arg_t) (void);
typedef void (*adacb_1arg_t) (uint32_t);
typedef void (*adacb_2arg_t) (uint32_t, uint32_t);
typedef void (*adacb_3arg_t) (uint32_t, uint32_t, uint32_t);
typedef void (*adacb_4arg_t) (uint32_t, uint32_t, uint32_t, uint32_t);
typedef void (*adacb_5arg_t) (uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
#ifdef __cplusplus
template<typename Func, typename... Args>
inline void _cb_setup(bool _from_isr, void *_malloced, Func _func, Args... args)
{
uint8_t const _count = sizeof...(args);
ada_callback_t* cb_data = (ada_callback_t*) rtos_malloc( sizeof(ada_callback_t) + (_count ? (_count-1)*4 : 0) );
cb_data->malloced_data = _malloced;
cb_data->callback_func = (void*)_func;
cb_data->arg_count = _count;
if ( _count ) {
uint32_t arguments[] = { ((uint32_t)args)... };
memcpy(cb_data->arguments, arguments, 4*_count);
}
extern void ada_callback_queue(ada_callback_t* cb_data, bool from_isr);
ada_callback_queue(cb_data, _from_isr);
}
#endif // __cplusplus
/**
* Schedule an function and parameters to be invoked in Ada Callback Task
* Macro can take at least 2 and at max 7 arguments
* - 1st arg : pointer data that need to be freed with free(pointer) after function is invoked
* - 2nd arg : function to be invoked
* - 3rd-7th arg : function argument, will be cast to uint32_t
*/
#define ada_callback(... ) _cb_setup(false, __VA_ARGS__)
/**
* Similar to ada_callback() but invoke in ISR-context
*/
#define ada_callback_fromISR(... ) _cb_setup(true , __VA_ARGS__)
void ada_callback_init(void);
void ada_callback_queue(ada_callback_t* cb_data, bool from_isr);
//#ifdef __cplusplus
//}
//#endif
#endif /* ADACALLBACK_H_ */
|
