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半导体行业观察第一站
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摘要： #include#includesbit K2 = P3^2;sbit K3 = P3^3;void delayms(unsigned int m);unsigned char aa = 0xfe;void main(){EA = 1;EX0 = 1;EX1 = 1;IT0 = 0;IT1 = 0;IP = 0xf1;P1 = 0xff;}/*低级的外部中断2，负责按钮1 的操作，即实现流水灯*
#include#include sbit K2 = P3^2;sbit K3 = P3^3;void delayms(unsigned int m);unsigned char aa = 0xfe;void main(){EA = 1;EX0 = 1;EX1 = 1;IT0 = 0;IT1 = 0;IP = 0xf1;P1 = 0xff;}/*低级的外部中断2，负责按钮1 的操作，即实现流水灯*/void button_1() interrupt 2{if(K3 == 0){ delayms(10);if(K3 == 0){while(1){P1 = aa;aa = _crol_(aa,1);delayms(500);}}}}/*外部中断0（最高级），负责打断外部中断 2*/void button_2() interrupt 0{if(K2 == 0){delayms(10);if(K2 == 0){while(1);}}}void delayms(unsigned int m){unsigned int i, j;for(i = m; i > 0; i--){for(j = 110; j > 0; j--);}}
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| 型号 | 厂商 | 价格 |
|---|---|---|
| EPCOS | 爱普科斯 | / |
| STM32F103RCT6 | ST | ￥461.23 |
| STM32F103C8T6 | ST | ￥84 |
| STM32F103VET6 | ST | ￥426.57 |
| STM32F103RET6 | ST | ￥780.82 |
| STM8S003F3P6 | ST | ￥10.62 |
| STM32F103VCT6 | ST | ￥275.84 |
| STM32F103CBT6 | ST | ￥130.66 |
| STM32F030C8T6 | ST | ￥18.11 |
| N76E003AT20 | NUVOTON | ￥9.67 |