diff options
Diffstat (limited to 'tinyusb/src/common/tusb_verify.h')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/src/common/tusb_verify.h | 181 |
2 files changed, 0 insertions, 181 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/src/common/tusb_verify.h b/tinyusb/src/common/tusb_verify.h deleted file mode 100755 index 56ba8bcd..00000000 --- a/tinyusb/src/common/tusb_verify.h +++ /dev/null @@ -1,181 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 Ha Thach (tinyusb.org) - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * This file is part of the TinyUSB stack. - */ -#ifndef TUSB_VERIFY_H_ -#define TUSB_VERIFY_H_ - -#include <stdbool.h> -#include <stdint.h> -#include "tusb_option.h" -#include "tusb_compiler.h" - -/*------------------------------------------------------------------*/ -/* This file use an advanced macro technique to mimic the default parameter - * as C++ for the sake of code simplicity. Beware of a headache macro - * manipulation that you are told to stay away. - * - * This contains macros for both VERIFY and ASSERT: - * - * VERIFY: Used when there is an error condition which is not the - * fault of the MCU. For example, bounds checking on data - * sent to the micro over USB should use this function. - * Another example is checking for buffer overflows, where - * returning from the active function causes a NAK. - * - * ASSERT: Used for error conditions that are caused by MCU firmware - * bugs. This is used to discover bugs in the code more - * quickly. One example would be adding assertions in library - * function calls to confirm a function's (untainted) - * parameters are valid. - * - * The difference in behavior is that ASSERT triggers a breakpoint while - * verify does not. - * - * #define TU_VERIFY(cond) if(cond) return false; - * #define TU_VERIFY(cond,ret) if(cond) return ret; - * - * #define TU_VERIFY_HDLR(cond,handler) if(cond) {handler; return false;} - * #define TU_VERIFY_HDLR(cond,ret,handler) if(cond) {handler; return ret;} - * - * #define TU_ASSERT(cond) if(cond) {_MESS_FAILED(); TU_BREAKPOINT(), return false;} - * #define TU_ASSERT(cond,ret) if(cond) {_MESS_FAILED(); TU_BREAKPOINT(), return ret;} - * - *------------------------------------------------------------------*/ - -#ifdef __cplusplus - extern "C" { -#endif - -//--------------------------------------------------------------------+ -// TU_VERIFY Helper -//--------------------------------------------------------------------+ - -#if CFG_TUSB_DEBUG - #include <stdio.h> - #define _MESS_ERR(_err) tu_printf("%s %d: failed, error = %s\r\n", __func__, __LINE__, tusb_strerr[_err]) - #define _MESS_FAILED() tu_printf("%s %d: ASSERT FAILED\r\n", __func__, __LINE__) -#else - #define _MESS_ERR(_err) do {} while (0) - #define _MESS_FAILED() do {} while (0) -#endif - -// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7 -#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__) - #define TU_BREAKPOINT() do \ - { \ - volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \ - if ( (*ARM_CM_DHCSR) & 1UL ) __asm("BKPT #0\n"); /* Only halt mcu if debugger is attached */ \ - } while(0) - -#elif defined(__riscv) - #define TU_BREAKPOINT() do { __asm("ebreak\n"); } while(0) - -#else - #define TU_BREAKPOINT() do {} while (0) -#endif - -/*------------------------------------------------------------------*/ -/* Macro Generator - *------------------------------------------------------------------*/ - -// Helper to implement optional parameter for TU_VERIFY Macro family -#define GET_3RD_ARG(arg1, arg2, arg3, ...) arg3 -#define GET_4TH_ARG(arg1, arg2, arg3, arg4, ...) arg4 - -/*------------- Generator for TU_VERIFY and TU_VERIFY_HDLR -------------*/ -#define TU_VERIFY_DEFINE(_cond, _handler, _ret) do \ -{ \ - if ( !(_cond) ) { _handler; return _ret; } \ -} while(0) - -/*------------------------------------------------------------------*/ -/* TU_VERIFY - * - TU_VERIFY_1ARGS : return false if failed - * - TU_VERIFY_2ARGS : return provided value if failed - *------------------------------------------------------------------*/ -#define TU_VERIFY_1ARGS(_cond) TU_VERIFY_DEFINE(_cond, , false) -#define TU_VERIFY_2ARGS(_cond, _ret) TU_VERIFY_DEFINE(_cond, , _ret) - -#define TU_VERIFY(...) GET_3RD_ARG(__VA_ARGS__, TU_VERIFY_2ARGS, TU_VERIFY_1ARGS, UNUSED)(__VA_ARGS__) - - -/*------------------------------------------------------------------*/ -/* TU_VERIFY WITH HANDLER - * - TU_VERIFY_HDLR_2ARGS : execute handler, return false if failed - * - TU_VERIFY_HDLR_3ARGS : execute handler, return provided error if failed - *------------------------------------------------------------------*/ -#define TU_VERIFY_HDLR_2ARGS(_cond, _handler) TU_VERIFY_DEFINE(_cond, _handler, false) -#define TU_VERIFY_HDLR_3ARGS(_cond, _handler, _ret) TU_VERIFY_DEFINE(_cond, _handler, _ret) - -#define TU_VERIFY_HDLR(...) GET_4TH_ARG(__VA_ARGS__, TU_VERIFY_HDLR_3ARGS, TU_VERIFY_HDLR_2ARGS,UNUSED)(__VA_ARGS__) - -/*------------------------------------------------------------------*/ -/* ASSERT - * basically TU_VERIFY with TU_BREAKPOINT() as handler - * - 1 arg : return false if failed - * - 2 arg : return error if failed - *------------------------------------------------------------------*/ -#define ASSERT_1ARGS(_cond) TU_VERIFY_DEFINE(_cond, _MESS_FAILED(); TU_BREAKPOINT(), false) -#define ASSERT_2ARGS(_cond, _ret) TU_VERIFY_DEFINE(_cond, _MESS_FAILED(); TU_BREAKPOINT(), _ret) - -#ifndef TU_ASSERT -#define TU_ASSERT(...) GET_3RD_ARG(__VA_ARGS__, ASSERT_2ARGS, ASSERT_1ARGS,UNUSED)(__VA_ARGS__) -#endif - -// TODO remove TU_ASSERT_ERR() later - -/*------------- Generator for TU_VERIFY_ERR and TU_VERIFY_ERR_HDLR -------------*/ -#define TU_VERIFY_ERR_DEF2(_error, _handler) do \ -{ \ - uint32_t _err = (uint32_t)(_error); \ - if ( 0 != _err ) { _MESS_ERR(_err); _handler; return _err; } \ -} while(0) - -#define TU_VERIFY_ERR_DEF3(_error, _handler, _ret) do \ -{ \ - uint32_t _err = (uint32_t)(_error); \ - if ( 0 != _err ) { _MESS_ERR(_err); _handler; return _ret; } \ -} while(0) - -/*------------------------------------------------------------------*/ -/* ASSERT Error - * basically TU_VERIFY Error with TU_BREAKPOINT() as handler - *------------------------------------------------------------------*/ -#define ASSERT_ERR_1ARGS(_error) TU_VERIFY_ERR_DEF2(_error, TU_BREAKPOINT()) -#define ASSERT_ERR_2ARGS(_error, _ret) TU_VERIFY_ERR_DEF3(_error, TU_BREAKPOINT(), _ret) - -#ifndef TU_ASSERT_ERR -#define TU_ASSERT_ERR(...) GET_3RD_ARG(__VA_ARGS__, ASSERT_ERR_2ARGS, ASSERT_ERR_1ARGS,UNUSED)(__VA_ARGS__) -#endif - -/*------------------------------------------------------------------*/ -/* ASSERT HDLR - *------------------------------------------------------------------*/ - -#ifdef __cplusplus - } -#endif - -#endif /* TUSB_VERIFY_H_ */ |