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stm32 1602
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共73个文件
h:33个
c:32个
opt:2个
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需积分: 15 3 下载量 54 浏览量
2015-05-07
16:16:14
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include "stm32f10x.h" #include "1602.h" #include "sys.h" #include "delay.h" //typedef unsigned char BYTE; //typedef unsigned char BOOL; unsigned char lcd_bz(void) { // ²âÊÔLCDæµ״̬ unsigned char result; LCD_RS(0); //0; LCD_RW(1); //1; LCD_EN(1); //1; delay_us(1); result = (GPIO_ReadInputData(GPIOB) & 0x8000)>>8; LCD_EN(0); // 0; return result; } /******************************дÃüÁî*************************************************/ void lcd_wcmd(int cmd) { // дÈëÖ¸ÁîÊý¾Ýµ½LCD while(lcd_bz()); LCD_RS(0); // 0; LCD_RW(0); // 0; LCD_EN(0); // 0; delay_us(1); //NOP(); GPIOB->BSRR = cmd<<8 & 0xff00; //½«Êý¾ÝË͵½P0¿Ú GPIOB->BRR = ((~cmd)<<8) & 0xff00;
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