esp-idf/components/esp32/include/esp_err.h

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// Copyright 2015-2016 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 __ESP_ERR_H__
#define __ESP_ERR_H__
#include <stdint.h>
#include <assert.h>
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#ifdef __cplusplus
extern "C" {
#endif
typedef int32_t esp_err_t;
/* Definitions for error constants. */
#define ESP_OK 0
#define ESP_FAIL -1
#define ESP_ERR_NO_MEM 0x101
#define ESP_ERR_INVALID_ARG 0x102
#define ESP_ERR_INVALID_STATE 0x103
/**
* Macro which can be used to check the error code,
* and terminate the program in case the code is not ESP_OK.
* Prints the failed statement to serial output.
*/
#define ESP_ERROR_CHECK(x) do { esp_err_t rc = (x); if (rc != ESP_OK) { assert(0 && #x);} } while(0);
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#ifdef __cplusplus
}
#endif
#endif /* __ESP_ERR_H__ */