esp-idf/components/freemodbus/port/port.h
Alex Lisitsyn 44444208b7 freemodbus: update poll event processing
update modbus poll event loop processing to process multiple events
2019-12-10 14:27:09 +08:00

82 lines
2.4 KiB
C

/* Copyright 2018 Espressif Systems (Shanghai) PTE LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PORT_COMMON_H_
#define PORT_COMMON_H_
#include "freertos/FreeRTOS.h"
#include "freertos/xtensa_api.h"
#include "freertos/portmacro.h"
#include "esp_log.h" // for ESP_LOGE macro
#define INLINE inline
#define PR_BEGIN_EXTERN_C extern "C" {
#define PR_END_EXTERN_C }
#define MB_PORT_TAG "MB_PORT_COMMON"
// common definitions for serial port implementations
#define MB_SERIAL_TX_TOUT_MS (100)
#define MB_SERIAL_TX_TOUT_TICKS pdMS_TO_TICKS(MB_SERIAL_TX_TOUT_MS) // timeout for transmission
#define MB_SERIAL_RX_TOUT_TICKS pdMS_TO_TICKS(1) // timeout for rx from buffer
#define MB_SERIAL_RESP_LEN_MIN (4)
#define MB_PORT_CHECK(a, ret_val, str, ...) \
if (!(a)) { \
ESP_LOGE(MB_PORT_TAG, "%s(%u): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
return ret_val; \
}
#ifdef __cplusplus
PR_BEGIN_EXTERN_C
#endif /* __cplusplus */
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
typedef char BOOL;
typedef unsigned char UCHAR;
typedef char CHAR;
typedef unsigned short USHORT;
typedef short SHORT;
typedef unsigned long ULONG;
typedef long LONG;
void vMBPortEnterCritical(void);
void vMBPortExitCritical(void);
#define ENTER_CRITICAL_SECTION( ) { ESP_LOGD(MB_PORT_TAG,"%s: Port enter critical.", __func__); \
vMBPortEnterCritical(); }
#define EXIT_CRITICAL_SECTION( ) { vMBPortExitCritical(); \
ESP_LOGD(MB_PORT_TAG,"%s: Port exit critical", __func__); }
#define MB_PORT_CHECK_EVENT( event, mask ) ( event & mask )
#define MB_PORT_CLEAR_EVENT( event, mask ) do { event &= ~mask; } while(0)
#ifdef __cplusplus
PR_END_EXTERN_C
#endif /* __cplusplus */
#endif /* PORT_COMMON_H_ */