\n#include \"lcd1602.h\"
时间: 2024-04-17 22:22:14 浏览: 13
#include "lcd1602.h" 是一个C语言的头文件引用指令,用于包含一个名为lcd1602.h的头文件。这个头文件可能是用户自定义的,也可能是从其他地方获取的。
根据文件名可以猜测,这个头文件可能是用于控制LCD1602液晶显示屏的库文件。LCD1602是一种常见的字符型液晶显示屏,通常用于嵌入式系统和电子项目中。
在这个头文件中,可能包含了一些函数和宏定义,用于初始化和控制LCD1602显示屏,例如设置显示内容、光标位置、显示模式等。
如果你想了解更多关于lcd1602.h的具体内容和使用方法,建议查阅相关文档或者参考该头文件的注释说明。
相关问题
#include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdio.h> #include <unistd.h> #include <string.h> #include <sys/mman.h> //德国国旗 int main(void) { int fd_lcd; int lcd_buf[800*480]; //显存。int -- 4B int j,i; fd_lcd = open("/dev/fb0", O_WRONLY); if(fd_lcd == -1) { perror("open lcd"); return -1; } printf("fd_lcd = %d\n", fd_lcd); for(i=0;i<800*160;i++) lcd_buf[i]=0x00000000; for(i=800*160;i<800*320;i++) lcd_buf[i]=0x00FF0000; for(i=800*320;i<800*480;i++) lcd_buf[i]=0x00FFD700; write(fd_lcd,lcd_buf,sizeof(lcd_buf)); close(fd_lcd); return 0; }仿照以上代码绘制瑞士国旗
以下是一个使用C语言在Linux系统下实现瑞士国旗的代码示例:
```c
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/mman.h>
int main(void)
{
int fd_lcd;
int lcd_buf[800*480]; // 显存。int -- 4B
int j, i;
fd_lcd = open("/dev/fb0", O_WRONLY);
if (fd_lcd == -1)
{
perror("open lcd");
return -1;
}
printf("fd_lcd = %d\n", fd_lcd);
// 绘制红色背景
for (i = 0; i < 800*480; i++)
{
lcd_buf[i] = 0x00FF0000;
}
// 绘制白色十字
int center_x = 400;
int center_y = 240;
int width = 100;
int height = 20;
// 绘制横向条纹
for (i = center_x - width/2; i < center_x + width/2; i++)
{
for (j = 0; j < 480; j++)
{
lcd_buf[j*800 + i] = 0x00FFFFFF;
}
}
// 绘制纵向条纹
for (i = center_y - height/2; i < center_y + height/2; i++)
{
for (j = 0; j < 800; j++)
{
lcd_buf[i*800 + j] = 0x00FFFFFF;
}
}
write(fd_lcd, lcd_buf, sizeof(lcd_buf));
close(fd_lcd);
return 0;
}
```
这段代码与之前的德国国旗代码类似,使用了 `/dev/fb0` 设备文件来进行屏幕绘制。首先将整个屏幕填充为红色背景,然后在屏幕中央绘制一个白色的十字。通过调整 `center_x`、`center_y`、`width` 和 `height` 变量的值,可以调整十字的位置和大小。
请注意,在运行该代码之前,确保你有适当的权限来访问 `/dev/fb0` 设备文件。同时,屏幕分辨率和显示模式可能会影响国旗的显示效果。
#include <rtthread.h> #include <drv_lcd.h> #include <board.h> #include <rthw.h> #include <rtdevice.h> #include <drv_gpio.h> #include <rtdbg.h> 请用以上头文件完成我的要求,我的要求是请使用RT-Thread实时操作系统编写的C语言程序,并利用了几个驱动程序,如DRV_LCD和DRV_GPIO,来控制LCD屏幕和GPIO引脚,实现一个俄罗斯方块的游戏,程序用多线程处理不同任务,此外使用邮箱在线程之间进行通信,并使用定时器以固定间隔更新游戏状态。最后控制RGB LED和蜂鸣器以向用户提供视觉和听觉反馈。
这是一个比较复杂的项目,需要一定的嵌入式开发经验。以下是一个简单的示例代码,仅供参考:
```c
#include <rtthread.h>
#include <drv_lcd.h>
#include <board.h>
#include <rthw.h>
#include <rtdevice.h>
#include <drv_gpio.h>
#include <rtdbg.h>
#define LCD_WIDTH 240
#define LCD_HEIGHT 320
#define BLOCK_SIZE 20
static rt_uint8_t block_colors[7][3] = {
{255, 0, 0}, // 红色
{255, 165, 0}, // 橙色
{255, 255, 0}, // 黄色
{0, 128, 0}, // 绿色
{0, 0, 255}, // 蓝色
{75, 0, 130}, // 紫色
{128, 0, 128} // 粉色
};
static rt_uint8_t game_board[LCD_WIDTH / BLOCK_SIZE][LCD_HEIGHT / BLOCK_SIZE];
static rt_uint8_t cur_block[4][4];
static rt_uint8_t cur_block_color[3];
static rt_uint8_t cur_block_x, cur_block_y;
static rt_uint8_t cur_block_rotate;
static rt_uint8_t score;
static rt_uint8_t game_over;
static struct rt_mailbox game_mailbox;
static struct rt_semaphore lcd_sem;
static struct rt_semaphore block_sem;
static rt_device_t lcd_dev;
static rt_device_t gpio_dev;
static void lcd_clear(rt_uint8_t color)
{
rt_uint8_t *lcd_buf;
rt_uint32_t i, j;
rt_sem_take(&lcd_sem, RT_WAITING_FOREVER);
lcd_buf = rt_malloc(LCD_WIDTH * LCD_HEIGHT * 2);
for (i = 0; i < LCD_WIDTH * LCD_HEIGHT; i++)
{
lcd_buf[i * 2] = color & 0xff;
lcd_buf[i * 2 + 1] = (color >> 8) & 0xff;
}
rt_device_write(lcd_dev, 0, lcd_buf, LCD_WIDTH * LCD_HEIGHT * 2);
rt_free(lcd_buf);
rt_sem_release(&lcd_sem);
}
static void lcd_draw_block(rt_uint8_t x, rt_uint8_t y, rt_uint8_t color)
{
rt_uint8_t *lcd_buf;
rt_uint32_t i, j;
rt_sem_take(&lcd_sem, RT_WAITING_FOREVER);
lcd_buf = rt_malloc(BLOCK_SIZE * BLOCK_SIZE * 2);
for (i = 0; i < BLOCK_SIZE; i++)
{
for (j = 0; j < BLOCK_SIZE; j++)
{
if (i == 0 || i == BLOCK_SIZE - 1 || j == 0 || j == BLOCK_SIZE - 1)
{
lcd_buf[(i * BLOCK_SIZE + j) * 2] = 0xff;
lcd_buf[(i * BLOCK_SIZE + j) * 2 + 1] = 0xff;
}
else
{
lcd_buf[(i * BLOCK_SIZE + j) * 2] = color & 0xff;
lcd_buf[(i * BLOCK_SIZE + j) * 2 + 1] = (color >> 8) & 0xff;
}
}
}
rt_device_write(lcd_dev, (x + 1) * BLOCK_SIZE, (y + 1) * BLOCK_SIZE, lcd_buf, BLOCK_SIZE * BLOCK_SIZE * 2);
rt_free(lcd_buf);
rt_sem_release(&lcd_sem);
}
static void lcd_draw_board(void)
{
rt_uint8_t i, j;
for (i = 0; i < LCD_WIDTH / BLOCK_SIZE; i++)
{
for (j = 0; j < LCD_HEIGHT / BLOCK_SIZE; j++)
{
if (game_board[i][j])
{
lcd_draw_block(i, j, block_colors[game_board[i][j] - 1][0] << 16
| block_colors[game_board[i][j] - 1][1] << 8
| block_colors[game_board[i][j] - 1][2]);
}
else
{
lcd_draw_block(i, j, 0);
}
}
}
}
static rt_err_t gpio_callback(rt_device_t dev, rt_size_t size)
{
rt_uint8_t key_value;
rt_device_read(dev, 0, &key_value, 1);
switch (key_value)
{
case 0x11: // 左键
rt_sem_release(&block_sem);
break;
case 0x21: // 右键
rt_sem_release(&block_sem);
break;
case 0x41: // 上键
rt_sem_release(&block_sem);
break;
case 0x81: // 下键
rt_sem_release(&block_sem);
break;
default:
break;
}
return RT_EOK;
}
static void block_thread_entry(void *parameter)
{
rt_uint8_t i, j, k;
rt_uint8_t next_block[4][4];
rt_uint8_t next_block_color[3];
rt_uint8_t next_block_rotate;
rt_uint8_t next_block_x, next_block_y;
rt_uint8_t is_game_over;
while (1)
{
// 生成下一个方块
next_block_color[0] = block_colors[rt_tick_get() % 7][0];
next_block_color[1] = block_colors[rt_tick_get() % 7][1];
next_block_color[2] = block_colors[rt_tick_get() % 7][2];
next_block_rotate = rt_tick_get() % 4;
next_block_x = (LCD_WIDTH / BLOCK_SIZE - 4) / 2;
next_block_y = 0;
switch (rt_tick_get() % 7)
{
case 0: // I
next_block[0][0] = 0; next_block[0][1] = 0; next_block[0][2] = 0; next_block[0][3] = 0;
next_block[1][0] = 1; next_block[1][1] = 1; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 1: // J
next_block[0][0] = 0; next_block[0][1] = 1; next_block[0][2] = 0; next_block[0][3] = 0;
next_block[1][0] = 0; next_block[1][1] = 1; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 2: // L
next_block[0][0] = 0; next_block[0][1] = 0; next_block[0][2] = 0; next_block[0][3] = 1;
next_block[1][0] = 0; next_block[1][1] = 1; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 3: // O
next_block[0][0] = 0; next_block[0][1] = 0; next_block[0][2] = 1; next_block[0][3] = 1;
next_block[1][0] = 0; next_block[1][1] = 0; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 4: // S
next_block[0][0] = 0; next_block[0][1] = 0; next_block[0][2] = 1; next_block[0][3] = 1;
next_block[1][0] = 0; next_block[1][1] = 1; next_block[1][2] = 1; next_block[1][3] = 0;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 5: // T
next_block[0][0] = 0; next_block[0][1] = 1; next_block[0][2] = 0; next_block[0][3] = 0;
next_block[1][0] = 0; next_block[1][1] = 1; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
case 6: // Z
next_block[0][0] = 0; next_block[0][1] = 1; next_block[0][2] = 1; next_block[0][3] = 0;
next_block[1][0] = 0; next_block[1][1] = 0; next_block[1][2] = 1; next_block[1][3] = 1;
next_block[2][0] = 0; next_block[2][1] = 0; next_block[2][2] = 0; next_block[2][3] = 0;
next_block[3][0] = 0; next_block[3][1] = 0; next_block[3][2] = 0; next_block[3][3] = 0;
break;
default:
break;
}
is_game_over = 0;
// 判断游戏是否结束
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (next_block[i][j])
{
if (game_board[next_block_x + i][next_block_y + j])
{
is_game_over = 1;
break;
}
}
}
if (is_game_over)
{
break;
}
}
if (is_game_over)
{
game_over = 1;
rt_kprintf("Game Over!\n");
break;
}
// 发送消息通知LCD线程绘制下一个方块
rt_memcpy(cur_block, next_block, sizeof(cur_block));
rt_memcpy(cur_block_color, next_block_color, sizeof(cur_block_color));
cur_block_x = next_block_x;
cur_block_y = next_block_y;
cur_block_rotate = next_block_rotate;
rt_mb_send(&game_mailbox, (rt_uint32_t)1);
// 等待信号量,接收操作指令
rt_sem_take(&block_sem, RT_WAITING_FOREVER);
// 处理操作指令
switch (rt_current_thread()->event_set)
{
case 0x01: // 左移
if (cur_block_x > 0)
{
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (cur_block[i][j])
{
if (game_board[cur_block_x + i - 1][cur_block_y + j])
{
goto out;
}
}
}
}
cur_block_x--;
rt_mb_send(&game_mailbox, (rt_uint32_t)1);
}
break;
case 0x02: // 右移
if (cur_block_x < LCD_WIDTH / BLOCK_SIZE - 4)
{
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (cur_block[i][j])
{
if (game_board[cur_block_x + i + 1][cur_block_y + j])
{
goto out;
}
}
}
}
cur_block_x++;
rt_mb_send(&game_mailbox, (rt_uint32_t)1);
}
break;
case 0x04: // 旋转
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
next_block[j][3 - i] = cur_block[i][j];
}
}
for (k = 0; k < cur_block_rotate; k++)
{
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
cur_block[i][j] = next_block[i][j];
}
}
rt_memcpy(next_block, cur_block, sizeof(cur_block));
}
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (cur_block[i][j])
{
if (game_board[cur_block_x + i][cur_block_y + j])
{
goto out;
}
}
}
}
rt_memcpy(cur_block, next_block, sizeof(cur_block));
rt_mb_send(&game_mailbox, (rt_uint32_t)1);
break;
case 0x08: // 下移
while (1)
{
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (cur_block[i][j])
{
if (game_board[cur_block_x + i][cur_block_y + j + 1])
{
goto out;
}
}
}
}
cur_block_y++;
rt_mb_send(&game_mailbox, (rt_uint32_t)1);
rt_thread_delay(100);
}
break;
default:
break;
}
out:
// 将方块写入游戏区域
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (cur_block[i][j])
{
game_board[cur_block_x + i][cur_block_y + j] = cur_block[i][j];
}
}
}
}
}
static void lcd_thread_entry(void *parameter)
{
rt_uint32_t i, j, k;
rt_uint8_t lcd_buf[LCD_WIDTH * LCD_HEIGHT * 2];
//