/**
******************************************************************************
* @file readme.txt
* @author 王元
* @version V1.0
* @date 2016-4-4
* @brief 用于记录工程文档改变的日志
******************************************************************************
* @attention
*
* 芯片型号: STM32F103VET6
*
******************************************************************************
*/
2016.4.12 xiaoyuan
该工程文件结构:
USER-------stm32f10x.c,stm32f10x.h(中断服务函数);stm32f10x_conf.h(片上外设配置头文件);main.c(主函数)
HARDWARE---存放用户编写的硬件资源程序
FWLIB------STM32F10x_StdPeriph_Lib_V3.5.0 (V3.5固件库)
CMSIS------system_stm32f10x.c,core_cm3.c (核内外设函数文件);stm32f10x.h (外设寄存器定义和中断向量表定义)
system_stm32f10x.h,core_cm3.h
STARTCODE--启动代码
DOC--------工程说明文档
一些重要文件的介绍:
core_cm3.c,core_cm3.h是位于CMSIS标准的核内设备函数层的CM3核通用文件,为芯片外设提供一个进入CM3内核的接口
system_stm32f10x.c,system_stm32f10x.h 设置系统的时钟和总线时钟。
stm32f10x.h 包含了STM32中寄存器地址和结构体类型定义,在使用到STM32固件库的地方都要包含这个头文件。
启动文件:是任何处理器在上电复位之后最先运行的一段汇编程序(用汇编语言为C语言的运行建立一个合适的运行环境)
(1)初始化堆栈指针SP
(2)初始化程序计数器指针PC
(3)设置堆栈的大小
(4)设置异常向量表的入口地址
(5)配置外部SRAM作为数据存储器 (由用户配置)
(6)设置C库的分支入口__main(最终用来调用main函数)
常用类型的一些定义,定义在stdint.h文件中:
/* exact-width signed integer types */
typedef signed char int8_t; //字符型变量
typedef signed short int int16_t; //有符号短整形
typedef signed int int32_t; //有符号长整形
typedef signed __INT64 int64_t;
/* exact-width unsigned integer types */
typedef unsigned char uint8_t; //无符号字符型
typedef unsigned short int uint16_t; //无符号短整形
typedef unsigned int uint32_t; //无符号长整形
typedef unsigned __INT64 uint64_t;
2016/12/7 V1.5
没有合适的资源?快使用搜索试试~ 我知道了~
stm32f103c8t6单片机ws281x-spi+dma方式驱动WS2812灯珠的驱动程序源代码.rar
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温馨提示
stm32f103c8t6单片机ws281x_spi+dma方式驱动WS2812灯珠的驱动程序源代码,main函数中保留了各种样式的测试函数,只需在头文件中配置灯珠个数,将控制引脚接到PA7即可。 int main(void) { usart1_init(115200); delay_init(); ws281x_init(); while(1) { // Some example procedures showing how to display to the pixels: ws281x_colorWipe(ws281x_color(255, 0, 0), 50); // Red ws281x_colorWipe(ws281x_color(0, 255, 0), 50); // Green ws281x_colorWipe(ws281x_color(0, 0, 255), 50); // Blue //colorWipe(strip.Color(0, 0, 0, 255), 50); // White RGBW // Send
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