星光璀璨,采用数组和随机数,让键盘灯随机扇动
JB_05代码,星光璀璨
#include <SPI.h> byte keymap[70] = {0}; void setup() { pinMode (8, OUTPUT); pinMode (9, OUTPUT); pinMode (10, OUTPUT); digitalWrite(8, HIGH); SPI.begin(); delay(100); digitalWrite(9, LOW); } byte j=0; void loop() { byte l=0; int i=0; for(int k=0;k<5;k++) { int k2=0xff-((keymap[l++]>i)<<0)-((keymap[l++]>i)<<1)-((keymap[l++]>i)<<2)-((keymap[l++]>i)<<3)-((keymap[l++]>i)<<4)-((keymap[l++]>i)<<5)-((keymap[l++]>i)<<6); int k1=0xff-((keymap[l++]>i)<<0)-((keymap[l++]>i)<<1)-((keymap[l++]>i)<<2)-((keymap[l++]>i)<<3)-((keymap[l++]>i)<<4)-((keymap[l++]>i)<<5)-((keymap[l++]>i)<<6); digitalWrite(10, LOW); SPI.transfer(1<<k); SPI.transfer(k1); SPI.transfer(k2); digitalWrite(10, HIGH); delay(1); } j+=32; if (j==0) { for(int k=0;k<70;k++) if (keymap[k]>0) keymap[k]-=16; keymap[random(70)]=64; } }
JB_06代码,多行流水灯
#include <SPI.h> void setup() { pinMode (8, OUTPUT); pinMode (9, OUTPUT); pinMode (10, OUTPUT); digitalWrite(8, HIGH); SPI.begin(); digitalWrite(10, LOW); SPI.transfer(0x00); SPI.transfer(0xff); SPI.transfer(0xff); digitalWrite(10, HIGH); digitalWrite(9, LOW); delay(100); } void loop() { int i,j; for(j=1;j<16;j*=2) { for(i=1;i<128;i*=2) { digitalWrite(10, LOW); SPI.transfer(j); SPI.transfer(0xff); SPI.transfer((byte)(0xff-i)); digitalWrite(10, HIGH); delay(50); } for(i=1;i<128;i*=2) { digitalWrite(10, LOW); SPI.transfer(j); SPI.transfer((byte)(0xff-i)); SPI.transfer(0xff); digitalWrite(10, HIGH); delay(50); } } }
打赏帖 | |
---|---|
【S32K146】S32DS watchdog 配置使用被打赏20分 | |
【Zephyr】使用 IAR 调试 Zephyr 镜像被打赏20分 | |
【Zephyr】MCXN947 Zephyr 开发入门适配shell被打赏20分 | |
【我要开发板】6.联合MATLAB记录数据被打赏50分 | |
【瑞萨RA2E1开发板】:使用ADC功能实现位移传感器采集方案被打赏20分 | |
【nRF7002DK】基于sht30的温湿度计被打赏20分 | |
【nRF7002DK】日志打印被打赏20分 | |
【换取手持示波器】RGB屏幕移植ARM-2D库被打赏35分 | |
【分享开发笔记,赚取电动螺丝刀】分享一下如何解决瑞萨RA2E1使用printf编译报错问题被打赏27分 | |
rtthread硬件加密-5hash加密分析被打赏10分 |