资源简介
STM32F1通过模拟IIC接口与BME280通信,获取当前环境的温湿度及大气压强

代码片段和文件信息
/**************************************************************************//**
* @file core_cm3.c
* @brief CMSIS Cortex-M3 Core Peripheral Access layer Source File
* @version V1.30
* @date 30. October 2009
*
* @note
* Copyright (C) 2009 ARM Limited. All rights reserved.
*
* @par
* ARM Limited (ARM) is supplying this software for use with Cortex-M
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* @par
* THIS SOFTWARE IS PROVIDED “AS IS“. NO WARRANTIES WHETHER EXPRESS IMPLIED
* OR STATUTORY INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT IN ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL INCIDENTAL OR
* CONSEQUENTIAL DAMAGES FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include
/* define compiler specific symbols */
#if defined ( __CC_ARM )
#define __ASM __asm /*!< asm keyword for ARM Compiler */
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
#elif defined ( __ICCARM__ )
#define __ASM __asm /*!< asm keyword for IAR Compiler */
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
#elif defined ( __GNUC__ )
#define __ASM __asm /*!< asm keyword for GNU Compiler */
#define __INLINE inline /*!< inline keyword for GNU Compiler */
#elif defined ( __TASKING__ )
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
/* ################### Compiler specific Intrinsics ########################### */
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
/* ARM armcc specific functions */
/**
* @brief Return the Process Stack Pointer
*
* @return ProcessStackPointer
*
* Return the actual process stack pointer
*/
__ASM uint32_t __get_PSP(void)
{
mrs r0 psp
bx lr
}
/**
* @brief Set the Process Stack Pointer
*
* @param topOfProcStack Process Stack Pointer
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
__ASM void __set_PSP(uint32_t topOfProcStack)
{
msr psp r0
bx lr
}
/**
* @brief Return the Main Stack Pointer
*
* @return Main Stack Pointer
*
* Return the curren
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2018-06-05 13:02 BME280\
目录 0 2018-06-05 13:02 BME280\CORE\
文件 17273 2010-06-07 10:25 BME280\CORE\core_cm3.c
文件 85714 2011-02-09 14:59 BME280\CORE\core_cm3.h
文件 15503 2011-03-10 10:52 BME280\CORE\startup_stm32f10x_hd.s
文件 12765 2011-03-10 10:52 BME280\CORE\startup_stm32f10x_md.s
目录 0 2018-06-05 21:17 BME280\HARDWARE\
目录 0 2018-06-05 21:41 BME280\HARDWARE\BME280\
文件 8523 2018-06-05 21:41 BME280\HARDWARE\BME280\bme280.c
文件 2199 2018-06-05 21:24 BME280\HARDWARE\BME280\bme280.h
目录 0 2018-06-05 13:02 BME280\HARDWARE\IIC\
文件 5653 2017-07-26 14:30 BME280\HARDWARE\IIC\myiic.c
文件 1734 2018-06-05 13:00 BME280\HARDWARE\IIC\myiic.h
目录 0 2018-06-05 13:02 BME280\HARDWARE\LCD\
文件 35016 2014-01-02 17:22 BME280\HARDWARE\LCD\FONT.H
文件 85631 2015-08-12 18:19 BME280\HARDWARE\LCD\lcd.c
文件 8193 2015-08-12 18:19 BME280\HARDWARE\LCD\lcd.h
目录 0 2018-06-05 13:02 BME280\HARDWARE\LED\
文件 1301 2014-03-20 20:13 BME280\HARDWARE\LED\led.c
文件 640 2014-03-20 19:03 BME280\HARDWARE\LED\led.h
目录 0 2018-06-05 21:53 BME280\OBJ\
文件 374949 2017-07-26 14:53 BME280\OBJ\bm280.crf
文件 1993 2017-07-26 14:53 BME280\OBJ\bm280.d
文件 426072 2017-07-26 14:53 BME280\OBJ\bm280.o
文件 368453 2018-06-05 21:41 BME280\OBJ\bme280.crf
文件 2034 2018-06-05 21:41 BME280\OBJ\bme280.d
文件 408564 2018-06-05 21:41 BME280\OBJ\bme280.o
文件 11825 2018-06-05 15:07 BME280\OBJ\bme280_selftest.crf
文件 411 2018-06-05 15:07 BME280\OBJ\bme280_selftest.d
文件 21172 2018-06-05 15:07 BME280\OBJ\bme280_selftest.o
文件 368453 2018-06-05 21:15 BME280\OBJ\bmp280.crf
............此处省略171个文件信息
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