資源簡介
使用STM32 HAL庫實現的MODBUS RTU協議的從機,主控芯片使用STM32F103RBT6。
代碼片段和文件信息
/******************************************************************************
?*?@file?????main_s.c
?*?@brief????Code?template?for?secure?main?function
?*?@version??V1.1.1
?*?@date?????10.?January?2018
?******************************************************************************/
/*
?*?Copyright?(c)?2013-2018?Arm?Limited.?All?rights?reserved.
?*
?*?SPDX-License-Identifier:?Apache-2.0
?*
?*?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
?*
?*?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.
?*/
/*?Use?CMSE?intrinsics?*/
#include?
?
#include?“RTE_Components.h“
#include?CMSIS_device_header
?
/*?TZ_START_NS:?Start?address?of?non-secure?application?*/
#ifndef?TZ_START_NS
#define?TZ_START_NS?(0x200000U)
#endif
?
/*?typedef?for?non-secure?callback?functions?*/
typedef?void?(*funcptr_void)?(void)?__attribute__((cmse_nonsecure_call));
?
/*?Secure?main()?*/
int?main(void)?{
??funcptr_void?NonSecure_ResetHandler;
?
??/*?Add?user?setup?code?for?secure?part?here*/
?
??/*?Set?non-secure?main?stack?(MSP_NS)?*/
??__TZ_set_MSP_NS(*((uint32_t?*)(TZ_START_NS)));
?
??/*?Get?non-secure?reset?handler?*/
??NonSecure_ResetHandler?=?(funcptr_void)(*((uint32_t?*)((TZ_START_NS)?+?4U)));
?
??/*?Start?non-secure?state?software?application?*/
??NonSecure_ResetHandler();
?
??/*?Non-secure?software?does?not?return?this?code?is?not?executed?*/
??while?(1)?{
????__NOP();
??}
}
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