1 /*
2  * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #pragma once
8 
9 #include <stdint.h>
10 #include <stdio.h>
11 #include <assert.h>
12 #include "esp_compiler.h"
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 typedef int esp_err_t;
19 
20 /* Definitions for error constants. */
21 #define ESP_OK          0       /*!< esp_err_t value indicating success (no error) */
22 #define ESP_FAIL        -1      /*!< Generic esp_err_t code indicating failure */
23 
24 #define ESP_ERR_NO_MEM              0x101   /*!< Out of memory */
25 #define ESP_ERR_INVALID_ARG         0x102   /*!< Invalid argument */
26 #define ESP_ERR_INVALID_STATE       0x103   /*!< Invalid state */
27 #define ESP_ERR_INVALID_SIZE        0x104   /*!< Invalid size */
28 #define ESP_ERR_NOT_FOUND           0x105   /*!< Requested resource not found */
29 #define ESP_ERR_NOT_SUPPORTED       0x106   /*!< Operation or feature not supported */
30 #define ESP_ERR_TIMEOUT             0x107   /*!< Operation timed out */
31 #define ESP_ERR_INVALID_RESPONSE    0x108   /*!< Received response was invalid */
32 #define ESP_ERR_INVALID_CRC         0x109   /*!< CRC or checksum was invalid */
33 #define ESP_ERR_INVALID_VERSION     0x10A   /*!< Version was invalid */
34 #define ESP_ERR_INVALID_MAC         0x10B   /*!< MAC address was invalid */
35 #define ESP_ERR_NOT_FINISHED        0x10C   /*!< There are items remained to retrieve */
36 
37 
38 #define ESP_ERR_WIFI_BASE           0x3000  /*!< Starting number of WiFi error codes */
39 #define ESP_ERR_MESH_BASE           0x4000  /*!< Starting number of MESH error codes */
40 #define ESP_ERR_FLASH_BASE          0x6000  /*!< Starting number of flash error codes */
41 #define ESP_ERR_HW_CRYPTO_BASE      0xc000  /*!< Starting number of HW cryptography module error codes */
42 #define ESP_ERR_MEMPROT_BASE        0xd000  /*!< Starting number of Memory Protection API error codes */
43 
44 /**
45   * @brief Returns string for esp_err_t error codes
46   *
47   * This function finds the error code in a pre-generated lookup-table and
48   * returns its string representation.
49   *
50   * The function is generated by the Python script
51   * tools/gen_esp_err_to_name.py which should be run each time an esp_err_t
52   * error is modified, created or removed from the IDF project.
53   *
54   * @param code esp_err_t error code
55   * @return string error message
56   */
57 const char *esp_err_to_name(esp_err_t code);
58 
59 /**
60   * @brief Returns string for esp_err_t and system error codes
61   *
62   * This function finds the error code in a pre-generated lookup-table of
63   * esp_err_t errors and returns its string representation. If the error code
64   * is not found then it is attempted to be found among system errors.
65   *
66   * The function is generated by the Python script
67   * tools/gen_esp_err_to_name.py which should be run each time an esp_err_t
68   * error is modified, created or removed from the IDF project.
69   *
70   * @param code esp_err_t error code
71   * @param[out] buf buffer where the error message should be written
72   * @param buflen Size of buffer buf. At most buflen bytes are written into the buf buffer (including the terminating null byte).
73   * @return buf containing the string error message
74   */
75 const char *esp_err_to_name_r(esp_err_t code, char *buf, size_t buflen);
76 
77 #if __ZEPHYR__
78 /** @cond */
79 void _esp_error_check_failed(esp_err_t rc, const char *file, int line, const char *function, const char *expression);
80 #else
81 /** @cond */
82 void _esp_error_check_failed(esp_err_t rc, const char *file, int line, const char *function, const char *expression) __attribute__((noreturn));
83 #endif
84 
85 /** @cond */
86 void _esp_error_check_failed_without_abort(esp_err_t rc, const char *file, int line, const char *function, const char *expression);
87 
88 #ifndef __ASSERT_FUNC
89 /* This won't happen on IDF, which defines __ASSERT_FUNC in assert.h, but it does happen when building on the host which
90    uses /usr/include/assert.h or equivalent.
91 */
92 #ifdef __ASSERT_FUNCTION
93 #define __ASSERT_FUNC __ASSERT_FUNCTION /* used in glibc assert.h */
94 #else
95 #define __ASSERT_FUNC "??"
96 #endif
97 #endif
98 /** @endcond */
99 
100 /**
101  * Macro which can be used to check the error code,
102  * and terminate the program in case the code is not ESP_OK.
103  * Prints the error code, error location, and the failed statement to serial output.
104  *
105  * Disabled if assertions are disabled.
106  */
107 #ifdef NDEBUG
108 #define ESP_ERROR_CHECK(x) do {                                         \
109         esp_err_t err_rc_ = (x);                                        \
110         (void) sizeof(err_rc_);                                         \
111     } while(0)
112 #elif defined(CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT)
113 #define ESP_ERROR_CHECK(x) do {                                         \
114         esp_err_t err_rc_ = (x);                                        \
115         if (unlikely(err_rc_ != ESP_OK)) {                              \
116             abort();                                                    \
117         }                                                               \
118     } while(0)
119 #else
120 #define ESP_ERROR_CHECK(x) do {                                         \
121         esp_err_t err_rc_ = (x);                                        \
122         if (unlikely(err_rc_ != ESP_OK)) {                              \
123             _esp_error_check_failed(err_rc_, __FILE__, __LINE__,        \
124                                     __ASSERT_FUNC, #x);                 \
125         }                                                               \
126     } while(0)
127 #endif
128 
129 /**
130  * Macro which can be used to check the error code. Prints the error code, error location, and the failed statement to
131  * serial output.
132  * In comparison with ESP_ERROR_CHECK(), this prints the same error message but isn't terminating the program.
133  */
134 #if defined NDEBUG || defined CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
135 #define ESP_ERROR_CHECK_WITHOUT_ABORT(x) ({                                         \
136         esp_err_t err_rc_ = (x);                                                    \
137         err_rc_;                                                                    \
138     })
139 #else
140 #define ESP_ERROR_CHECK_WITHOUT_ABORT(x) ({                                         \
141         esp_err_t err_rc_ = (x);                                                    \
142         if (unlikely(err_rc_ != ESP_OK)) {                                          \
143             _esp_error_check_failed_without_abort(err_rc_, __FILE__, __LINE__,      \
144                                                   __ASSERT_FUNC, #x);               \
145         }                                                                           \
146         err_rc_;                                                                    \
147     })
148 #endif //NDEBUG
149 
150 #ifdef __cplusplus
151 }
152 #endif
153