LCD1602滚动显示切换播放暂停字符串

显示Public Places
显示No Smoking
播放
暂停

部分代码

char zifu1[] = "Public Places   ";
char zifu2[] = "Class Now       ";
char zifu3[] = "No admittance   ";
char *zifu[] = { zifu1, zifu2, zifu3 };
char juti_L[3] = { 16, 16, 16 };char zifu12[] = "No Smoking      ";
char zifu22[] = "Quiet Please    ";
char zifu32[] = "Staff Only      ";
char *zifu22a[] = { zifu12, zifu22, zifu32 };
char juti_L2[3] = { 16, 16, 16 };int main(void)
{char key_v;char time = 0;char start_char_num = 0;WDTCTL = WDTPW | WDTHOLD; /* Stop watchdog timer */Clock_Init(); /* 系统时钟设置 */key_init(); /*按键初始化 */Port_init(); /* 显示器引脚初始化 */LCD_init(); /* 显示器初始化 */_EINT(); /* 开中断 */display(0, 0); /* 显示哪一个字符 从哪开始显示 */display_2(0, 0);while (1){key_v = KeySscan();if (key_v != 0){if (key_v == 1){num++;if (num == 3)num = 0;display(num, 0);display_2(num, 0);start_char_num = 0;}else if (key_v == 2){start = 1;}else if (key_v == 3){start = 0;}}delay_ms(10);if (start == 1){time++;if (time == 27){time = 0; /* 时间控制 */start_char_num++; //从哪里开始显示if (start_char_num >= juti_L[num]){start_char_num = 0;}display(num, start_char_num); /* 显示哪一个字符 从哪开始显示 */display_2(num, start_char_num); /* 显示哪一个字符 从哪开始显示 */}}}
}

全部程序

https://docs.qq.com/sheet/DUEdqZ2lmbmR6UVdU?tab=BB08J2