1 /* ---------------------------------------------------------------------------- 2 * Copyright (c) Huawei Technologies Co., Ltd. 2019-2019. All rights reserved. 3 * Description: los_printf 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 1. Redistributions of source code must retain the above copyright notice, this list of 7 * conditions and the following disclaimer. 8 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 9 * of conditions and the following disclaimer in the documentation and/or other materials 10 * provided with the distribution. 11 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 12 * to endorse or promote products derived from this software without specific prior written 13 * permission. 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * --------------------------------------------------------------------------- */ 26 27 /** 28 * @defgroup los_printf Printf 29 * @ingroup kernel 30 */ 31 32 #ifndef _LOS_PRINTF_H 33 #define _LOS_PRINTF_H 34 35 #include "los_typedef.h" 36 #include "los_config.h" 37 38 #ifdef __cplusplus 39 #if __cplusplus 40 extern "C" { 41 #endif /* __cplusplus */ 42 #endif /* __cplusplus */ 43 44 #define LOS_EMG_LEVEL 0 45 46 #define LOS_COMMOM_LEVEL (LOS_EMG_LEVEL + 1) 47 48 #define LOS_ERR_LEVEL (LOS_COMMOM_LEVEL + 1) 49 50 #define LOS_WARN_LEVEL (LOS_ERR_LEVEL + 1) 51 52 #define LOS_INFO_LEVEL (LOS_WARN_LEVEL + 1) 53 54 #define LOS_DEBUG_LEVEL (LOS_INFO_LEVEL + 1) 55 56 #ifdef GCOVERAGE 57 #define PRINT_LEVEL 0 58 #else 59 #define PRINT_LEVEL LOS_ERR_LEVEL 60 #endif 61 62 extern int printf(const char *fmt, ...); 63 #define los_printf (VOID)printf 64 65 /** 66 * @ingroup los_printf 67 * @brief Format and print data. 68 * 69 * @par Description: 70 * Print argument(s) according to fmt. 71 * 72 * @attention 73 * <ul> 74 * <li>None</li> 75 * </ul> 76 * 77 * @param fmt [IN] Type char* controls the ouput as in C printf. 78 * 79 * @retval None 80 * @par Dependency: 81 * <ul><li>los_printf.h: the header file that contains the API declaration.</li></ul> 82 * @see printf 83 */ 84 #define diag_printf los_printf 85 86 #if PRINT_LEVEL < LOS_DEBUG_LEVEL 87 #define PRINT_DEBUG(fmt, args...) 88 #else 89 #define PRINT_DEBUG(fmt, args...) do { (los_printf("[DEBUG] "), los_printf(fmt, ##args)); } while (0) 90 #endif 91 92 #if PRINT_LEVEL < LOS_INFO_LEVEL 93 #define PRINT_INFO(fmt, args...) 94 #else 95 #define PRINT_INFO(fmt, args...) do { (los_printf("[INFO] "), los_printf(fmt, ##args)); } while (0) 96 #endif 97 98 #if PRINT_LEVEL < LOS_WARN_LEVEL 99 #define PRINT_WARN(fmt, args...) 100 #else 101 #define PRINT_WARN(fmt, args...) do { (los_printf("[WARN] "), los_printf(fmt, ##args)); } while (0) 102 #endif 103 104 #if PRINT_LEVEL < LOS_ERR_LEVEL 105 #define PRINT_ERR(fmt, args...) 106 #else 107 #define PRINT_ERR(fmt, args...) do { (los_printf("[ERR] "), los_printf(fmt, ##args)); } while (0) 108 #endif 109 110 #if PRINT_LEVEL < LOS_COMMOM_LEVEL 111 #define PRINTK(fmt, args...) 112 #else 113 #define PRINTK(fmt, args...) los_printf(fmt, ##args) 114 #endif 115 116 #if PRINT_LEVEL < LOS_EMG_LEVEL 117 #define PRINT_EMG(fmt, args...) 118 #else 119 #define PRINT_EMG(fmt, args...) do { (los_printf("[EMG] "), los_printf(fmt, ##args)); } while (0) 120 #endif 121 122 #define PRINT_RELEASE(fmt, args...) los_printf(fmt, ##args) 123 124 #ifdef __cplusplus 125 #if __cplusplus 126 } 127 #endif /* __cplusplus */ 128 #endif /* __cplusplus */ 129 130 #endif /* _LOS_PRINTF_H */ 131