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fpr
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Add callback methods to remove core dependency with STM32Ethernet library
Signed-off-by: fpr <[email protected]>
1 parent 1ae377b commit edbfd2b

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4 files changed

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-23
lines changed

4 files changed

+130
-23
lines changed

‎cores/arduino/board.h

+1-1
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,8 @@
66
*/
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#include "analog.h"
88
#include "clock.h"
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#include "core_callback.h"
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#include "digital_io.h"
10-
#include "ethernet.h"
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#include "hal_uart_emul.h"
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#include "hw_config.h"
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#include "interrupt.h"

‎cores/arduino/main.cpp

+1-3
Original file line numberDiff line numberDiff line change
@@ -47,9 +47,7 @@ int main( void )
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for (;;)
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{
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// Define by Ethernet library. It is defined as __weak.
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stm32_eth_scheduler();
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CoreCallback();
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loop();
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if (serialEventRun) serialEventRun();
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}

‎cores/arduino/stm32/core_callback.c

+111
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,111 @@
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/**
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******************************************************************************
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* @file core_callback.c
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* @author WI6LABS
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* @version V1.0.0
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* @date 8-September-2017
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* @brief Provides methods to add callback to call inside the main loop.
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******************************************************************************
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* @attention
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*
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* <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/*
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* @NOTE
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* This file provides methods to add callback in the main() function loop.
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* If you need to call as often as possible a function to update your system and
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* you want to be sure this function to be called, you can add it to the callback
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* list. Otherwise, your function should be called inside the loop() function of
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* the sketch.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "core_callback.h"
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// List of callback to call
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static void (*callbackList[CALLBACK_LIST_SIZE])(void);
56+
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/**
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* @brief Adds a callback pointer
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* @param func: callback pointer
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* @retval None
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*/
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void registerCoreCallback(void (*func)(void))
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{
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if(func == NULL)
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return;
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for(uint8_t i = 0; i < CALLBACK_LIST_SIZE; i++) {
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if(callbackList[i] == NULL) {
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callbackList[i] = func;
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break;
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}
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}
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}
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/**
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* @brief Removes a callback pointer
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* @param func: callback pointer
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* @retval None
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*/
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void unregisterCoreCallback(void (*func)(void))
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{
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if(func == NULL)
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return;
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for(uint8_t i = 0; i < CALLBACK_LIST_SIZE; i++) {
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if(callbackList[i] == func) {
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callbackList[i] = NULL;
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break;
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}
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}
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}
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/**
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* @brief Calls callback of the list. There is no priority. First added first
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* called. This function must be called only in main() function loop.
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* @param None
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* @retval None
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*/
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void CoreCallback(void)
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{
101+
for(uint8_t i = 0; i < CALLBACK_LIST_SIZE; i++) {
102+
if(callbackList[i] != NULL)
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callbackList[i]();
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}
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}
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#ifdef __cplusplus
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}
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#endif
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

‎cores/arduino/stm32/ethernet.h renamed to ‎cores/arduino/stm32/core_callback.h

+17-19
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,14 @@
11
/**
22
******************************************************************************
3-
* @file ethernet.h
3+
* @file core_callback.h
44
* @author WI6LABS
55
* @version V1.0.0
6-
* @date 14-June-2017
7-
* @brief Header for ethernet background task for LwIP stack.
6+
* @date 8-September-2017
7+
* @brief Header for callback methods.
88
******************************************************************************
99
* @attention
1010
*
11-
* <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
11+
* <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
1212
*
1313
* Redistribution and use in source and binary forms, with or without modification,
1414
* are permitted provided that the following conditions are met:
@@ -36,34 +36,32 @@
3636
*/
3737

3838
/* Define to prevent recursive inclusion -------------------------------------*/
39-
#ifndef __ETHERNET_H
40-
#define __ETHERNET_H
39+
#ifndef __CALLBACK_H
40+
#define __CALLBACK_H
41+
42+
#include "Arduino.h"
4143

42-
/* Includes ------------------------------------------------------------------*/
4344
#ifdef __cplusplus
4445
extern "C" {
4546
#endif
4647

48+
/* Includes ------------------------------------------------------------------*/
4749
/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
4951
/* Exported macro ------------------------------------------------------------*/
50-
/* Exported functions ------------------------------------------------------- */
51-
52-
/* This function is defined by the NativeEthernet library and it is used as
53-
background task inside the main loop. */
54-
__weak void stm32_eth_scheduler(void)
55-
{
56-
/* NOTE : This function should not be modified. It is defined in the Ethernet
57-
library.
58-
*/
59-
}
52+
#ifndef CALLBACK_LIST_SIZE
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#define CALLBACK_LIST_SIZE 4
54+
#endif
6055

61-
void stm32_eth_scheduler(void);
56+
/* Exported functions ------------------------------------------------------- */
57+
void registerCoreCallback(void (*func)(void));
58+
void unregisterCoreCallback(void (*func)(void));
59+
void CoreCallback(void);
6260

6361
#ifdef __cplusplus
6462
}
6563
#endif
6664

67-
#endif /* __ETHERNET_H */
65+
#endif /* __CALLBACK_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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