从MCU的活动我就参加EEPW网站的活动,确实让我学到了不少的东西,虽然说每次自己动手做事情都会遇到很多的问题,有时候一点头绪也没有,通过同学的帮助和论坛上面高手们的经验还是解决了一些问题,这个过程让我学到了很多东西。下面是这次ARM的活动经历。
三月中旬的时候申请了PCB板子
二十号左右到淘宝上面买了基础包
二十五号左右收到PCB板子
三月底在淘宝买其他的元器件
四月五号左右焊接板子,焊接失败了PCB报废了
看到论坛上面的报废板子福音的帖子又买了一块
四月十三号收到了第二块板子
十五号焊接板子,下面是板子的照片
木叶只在秋的ARM 进程贴
关键词: 木叶 只在 进程
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图片怎么都传不上去,请教一下
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照片发不上来可能是我的电脑的问题,昨天试一下别人的电脑很轻松就上传上去了,以前我也上传过,不知道什么原因现在不能上传了,焊接好了的那天同学说我这个发到论坛上面会被别人笑话的,索性不上传了
是不是论坛有一个功能强大的审核系统,遇到焊的丑的板子自动拒接了呢,呵呵呵呵··············
先发一个流水灯的视频吧。
开始的时候把发光二极管的正负弄错了,昨天晚上拆下来的时候把其中的一个焊盘弄没有了,也不想再连接一条线了,反正就是四个灯的轮流点亮,现在是三个看起来有点别扭。
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谢谢你,我昨天试了一下别人的电脑是可以的,我的浏览器用的IE也不行,不知道为什么
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流水灯的代码是论坛上的
// led.c
#include <stm32f10x_lib.h>
#include "led.h"
void LED_Init(void)
{
RCC->APB2ENR|=1<<6;
GPIOE->CRL&=0XFF0000FF;
GPIOE->CRL|=0X00333300;
GPIOE->ODR|=15<<2;
}
//delay.c
#include <stm32f10x_lib.h>
#include "delay.h"
static u8 fac_us=0;//us延时倍乘数
static u16 fac_ms=0;//ms延时倍乘数
void delay_init(u8 SYSCLK)
{
SysTick->CTRL&=0xfffffffb;
fac_us=SYSCLK/8;
fac_ms=(u16)fac_us*1000;
}
void delay_ms(u16 nms)
{
u32 temp;
SysTick->LOAD=(u32)nms*fac_ms;
SysTick->VAL =0x00;
SysTick->CTRL=0x01 ;
do
{
temp=SysTick->CTRL;
}
while(temp&0x01&&!(temp&(1<<16)));
SysTick->CTRL=0x00;
SysTick->VAL =0X00;
}
//sys.c
...............
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在网上找资料学习的时候发现有些人不喜欢用ST的库,大家的习惯是使用库还是直接对寄存器操作呢???
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