Chen Huan
74HC595 Nixie Driver
main.cpp@0:b5bd2bc3c14d, 2017-06-16 (annotated)
- Committer:
- heroistired
- Date:
- Fri Jun 16 07:07:15 2017 +0000
- Revision:
- 0:b5bd2bc3c14d
Chen Huan; EEA of THU
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| heroistired | 0:b5bd2bc3c14d | 1 | #include "mbed.h" |
| heroistired | 0:b5bd2bc3c14d | 2 | #include "Nixie.h" |
| heroistired | 0:b5bd2bc3c14d | 3 | |
| heroistired | 0:b5bd2bc3c14d | 4 | //数码管驱动示例 |
| heroistired | 0:b5bd2bc3c14d | 5 | |
| heroistired | 0:b5bd2bc3c14d | 6 | Nixie myNixie(PA_0,PA_1,PA_4); //声明数码管类 依次是 DIO SCK RCK 任意GPIO脚都可以 |
| heroistired | 0:b5bd2bc3c14d | 7 | |
| heroistired | 0:b5bd2bc3c14d | 8 | int pos = 0, num = 0; |
| heroistired | 0:b5bd2bc3c14d | 9 | bool WithDot = false; |
| heroistired | 0:b5bd2bc3c14d | 10 | int main() |
| heroistired | 0:b5bd2bc3c14d | 11 | { |
| heroistired | 0:b5bd2bc3c14d | 12 | while(1) |
| heroistired | 0:b5bd2bc3c14d | 13 | { |
| heroistired | 0:b5bd2bc3c14d | 14 | wait(0.15); |
| heroistired | 0:b5bd2bc3c14d | 15 | myNixie.NixieShow(num,pos,WithDot);//在数码管上显示数字 num 要显示的数字 pos 数字显示的位置 从左到右 0-7 WithDot 是否显示小数点 |
| heroistired | 0:b5bd2bc3c14d | 16 | num++; |
| heroistired | 0:b5bd2bc3c14d | 17 | pos++; |
| heroistired | 0:b5bd2bc3c14d | 18 | if(num == 10) |
| heroistired | 0:b5bd2bc3c14d | 19 | { |
| heroistired | 0:b5bd2bc3c14d | 20 | num = 0; |
| heroistired | 0:b5bd2bc3c14d | 21 | if(WithDot) |
| heroistired | 0:b5bd2bc3c14d | 22 | WithDot = false; |
| heroistired | 0:b5bd2bc3c14d | 23 | else |
| heroistired | 0:b5bd2bc3c14d | 24 | WithDot = true; |
| heroistired | 0:b5bd2bc3c14d | 25 | } |
| heroistired | 0:b5bd2bc3c14d | 26 | if(pos == 8) |
| heroistired | 0:b5bd2bc3c14d | 27 | pos = 0; |
| heroistired | 0:b5bd2bc3c14d | 28 | } |
| heroistired | 0:b5bd2bc3c14d | 29 | } |