Program function, display eight numbers 0, 1, 2, 3, 4, 5, 6, 7 from left to right
The program source code is as follows:
/*
8 digital tubes display different characters at the same time
*/
#include typedef unsigned char uint8; typedef unsigned int uint16; code uint8 LED_CODE[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8}; void delay(uint16 x) { uint16 i,j; for(i = x; i > 0; i --) for(j = 114; j > 0; j --); } void main() { uint8 i; while(1) { for(i = 0; i < 8; i ++) { P0 = 0xFF; P3 = 0x01 << i; P0 = LED_CODE[i]; delay(4); } } }
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