沈阳企业网站设计制作,安徽建设工程信息中标,小蝌蚪紧急自动跳转中,深圳公司注册多少钱代码结构
所有代码都已通过测试跑通#xff0c;其中代码结构如下#xff1a; 一、include文件夹
1.1 common.h
#ifndef _COMMON_H
#define _COMMON_Htypedef struct Region {int iLeftUpX; //区域左上方的坐标int iLeftUpY; //区域左下方的坐标int iWidth; //区域宽…代码结构
所有代码都已通过测试跑通其中代码结构如下 一、include文件夹
1.1 common.h
#ifndef _COMMON_H
#define _COMMON_Htypedef struct Region {int iLeftUpX; //区域左上方的坐标int iLeftUpY; //区域左下方的坐标int iWidth; //区域宽度int iHeigh; //区域高度
}Region, *PRegion;#endif
1.2 config.h
注意CFG_FILE 设置为gui.conf在开发板下的路径
#ifndef _CONFIG_H
#define _CONFIG_H
#define ITEMCFG_MAX_NUM 30#define CFG_FILE /mnt/gui.conf
/*定义配置文件结构体*/
typedef struct ItemCfg {int index;char name[100];int bCanBeTouched; // 是否可以被点击char command[100]; // 状态发生变化时 调用的命令
}ItemCfg, *PItemCfg;/*获取配置文件按键的数目*/
int GetItemCfgCount(void);
/*根据索引获取配置文件*/
PItemCfg GetItemCfgByIndex(int index);
/*根据名字获取配置文件*/
PItemCfg GetItemCfgByName(char *name);
/*解析配置*/
int ParseConfigFile(void);#endif
1.3 disp_manager.h
#ifndef _DISP_MANAGER_H //防止头文件重复包含,只要右边的出现过就不会再往下编译
#define _DISP_MANAGER_H
#includecommon.h
#includefont_manager.h
//区域结构体
typedef struct DispBuff {int iXres; int iYres; int iBpp; char *buff;
}DispBuff, *PDispBuff;
//区域结构体
/*
typedef struct Region {int iLeftUpX; //区域左上方的坐标int iLeftUpY; //区域左下方的坐标int iWidth; //区域宽度int iHeigh; //区域高度
}Region, *PRegion;
*/
//显示设备结构体LCD设备或者是web设备通过调用这个结构体中的函数来实现显示功能
typedef struct DispOpr {char *name; //设备名int (*DeviceInit)(void);//设备初始化函数int (*DeviceExit)(void);//设备清除int (*GetBuffer)(PDispBuff ptDispBuff);///用于获取lcd所需的内存空间return内存空间的首地址//argument1-lcd屏长度argument2-lcd屏宽度argument3-每一个像素点的位数。int (*FlushRegion)(PRegion ptRegion, PDispBuff ptDispBuff);//刷新出argum1-按钮区域argum2-区域数据struct DispOpr *ptNext;//结构体指针指向下一个设备机构体 多设备输出
}DispOpr,*PDispOpr;void RegisterDisplay(PDispOpr ptDispOpr);
void DisplayInit(void);
int SelectDefaultDisplay(char *name);
int InitDefaultDisplay(void);
int PutPixel(int x, int y, unsigned int dwColor);
int FlushDisplayRegion(PRegion ptRegion, PDispBuff ptDispBuff);
PDispBuff GetDisplayBuffer(void);void DrawFontBitMap(PFontBitMap ptFontBitMap, unsigned int dwColor);
void DrawRegion(PRegion ptRegion, unsigned int dwColor);
void DrawTextInRegionCentral(char *name, PRegion ptRegion, unsigned int dwColor);#endif
1.4 font_manager.h
#ifndef _FONT_MANAGER_H
#define _FONT_MANAGER_H
#include common.h
//描述字体位图
typedef struct FontBitMap {Region tRegion;int iCurOriginX;//当期字符基点x坐标int iCurOriginY;//当期字符基点y坐标int iNextOriginX;//下一个字符基点x坐标int iNextOriginY;//下一个字符基点y坐标unsigned char *pucBuffer;
}FontBitMap, *PFontBitMap;
//描述字库操作
typedef struct FontOpr {char *name;int (*FontInit)(char *aFineName);//字体初始化int (*SetFontSize)(int iFontSize);//字体大小int (*GetFontBitMap)(unsigned int dwCode, PFontBitMap ptFontBitMap);//获得字符位图存到ptFontBitMap中struct FontOpr *ptNext;//方便支持多种字库
}FontOpr, *PFontOpr;void RegisterFont(PFontOpr ptFontOpr);
void FontsRegister(void);
int SelectAndInitFont(char *aFontOprName, char *aFontFileName);
int SetFontSize(int iFontSize);
int GetFontBitMap(unsigned int dwCode, PFontBitMap ptFontBitMap);
#endif1.5 input_manager.h
#ifndef _INPUT_MANAGER_H //防止头文件重复包含,只要右边的出现过就不会再往下编译
#define _INPUT_MANAGER_H
#include sys/time.h#define INPUT_TYPE_TOUCH 1
#define INPUT_TYPE_NET 2
/* 上报的数据格式 */
typedef struct InputEvent
{struct timeval tTime; //加入时间管理int iType; //网络事件或者触摸事件类型int iX; //触摸事件x坐标int iY; //触摸事件y坐标int iPressure; //触摸事件压力char str[1024]; //网络事件字符串
} InputEvent, *PInputEvent;/* 不同的输入设备应该模块化使用下面的结构体表示输入设备 */
typedef struct InputDevice
{char *name; //设备名称int (*GetInputEvent)(PInputEvent ptInputEvent); //获得数据int (*DeviceInit)(void);int (*DeviceExit)(void);struct InputDevice *ptNext; //加入链表将多个输入设备链接到一起
} InputDevice, *PInputDevice;//static int isInputBufferFull(void);
//static int isInputBufferEmpty(void);
//static void PutInputEventToBuffer(PInputEvent ptInputEvent);
//static int GetInputEventFromBuffer(PInputEvent ptInputEvent);
int GetInputEvent(PInputEvent ptInputEvent);static void *input_recv_thread_func (void *data);
void RegisterInputDevice(PInputDevice ptInputDev);
void InputInit(void);
void InputDeviceInit(void);
int GetInputEvent(PInputEvent ptInputEvent);
#endif
1.6 page_manager.h
#ifndef _PAGE_MANAGER_H
#define _PAGE_MANAGER_Htypedef struct PageAction {char *name;void (*Run)(void *pParams);struct PageAction *ptNext;
}PageAction, *PPageAction;void PageRegister(PPageAction ptPageAction);
void PagesRegister(void);
PPageAction Page(char *name);#endif1.7 tslib.h(注意该文件由tslib-1.21.tar.bz2通过交叉编译得来可参考韦东山-电子量产工具项目输入单元_Alexius Chao的博客-CSDN博客)
#ifndef _TSLIB_H_
#define _TSLIB_H_
/** tslib/src/tslib.h** Copyright (C) 2016 Martin Kepplinger martinkposteo.de* Copyright (C) 2001 Russell King.** This library is free software; you can redistribute it and/or* modify it under the terms of the GNU Lesser General Public* License as published by the Free Software Foundation; either* version 2.1 of the License, or (at your option) any later version.** This library is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU* Lesser General Public License for more details.** You should have received a copy of the GNU Lesser General Public* License along with this library; if not, write to the Free Software* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301* USA** SPDX-License-Identifier: LGPL-2.1*** Touch screen library interface definitions.*/
#ifdef __cplusplus
extern C {
#endif /* __cplusplus */
#include stdarg.h
#include sys/time.h#ifdef WIN32#define TSIMPORT __declspec(dllimport)#define TSEXPORT __declspec(dllexport)#define TSLOCAL
#else#define TSIMPORT#ifdef GCC_HASCLASSVISIBILITY#define TSEXPORT __attribute__ ((visibility(default)))#define TSLOCAL __attribute__ ((visibility(hidden)))#else#define TSEXPORT#define TSLOCAL#endif
#endif#ifdef TSLIB_INTERNAL#define TSAPI TSEXPORT
#else#define TSAPI TSIMPORT
#endif /* TSLIB_INTERNAL */struct tsdev;struct ts_sample {int x;int y;unsigned int pressure;struct timeval tv;
};struct ts_sample_mt {/* ABS_MT_* event codes. linux/include/uapi/linux/input-event-codes.h* has the definitions.*/int x;int y;unsigned int pressure;int slot;int tracking_id;int tool_type;int tool_x;int tool_y;unsigned int touch_major;unsigned int width_major;unsigned int touch_minor;unsigned int width_minor;int orientation;int distance;int blob_id;struct timeval tv;/* BTN_TOUCH state */short pen_down;/* valid is set ! 0 if this sample* contains new data; see below for the* bits that get set.* valid is set to 0 otherwise*/short valid;
};#define TSLIB_MT_VALID (1 0) /* any new data */
#define TSLIB_MT_VALID_TOOL (1 1) /* new tool_x or tool_y data */struct ts_lib_version_data {const char *package_version;int version_num;unsigned int features; /* bitmask, see below */
};#define TSLIB_VERSION_MT (1 0) /* multitouch support */
#define TSLIB_VERSION_OPEN_RESTRICTED (1 1) /* ts_open_restricted() */
#define TSLIB_VERSION_EVENTPATH (1 2) /* ts_get_eventpath() */
#define TSLIB_VERSION_VERSION (1 3) /* tslib_version() */enum ts_param {TS_SCREEN_RES 0, /* 2 integer args, x and y */TS_SCREEN_ROT /* 1 integer arg, 1 rotate */
};struct ts_module_conf {char *name;char *params;int raw;int nr;struct ts_module_conf *next;struct ts_module_conf *prev;
};/** Close the touchscreen device, free all resources.*/
TSAPI int ts_close(struct tsdev *);/** Reloads all modules - useful to reload calibration data.*/
TSAPI int ts_reconfig(struct tsdev *);/** Configure the touchscreen device.*/
TSAPI int ts_config(struct tsdev *);/** Changes a setting.*/
TSAPI int ts_option(struct tsdev *, enum ts_param, ...);/** Change this hook to point to your custom error handling function.*/
extern TSAPI int (*ts_error_fn)(const char *fmt, va_list ap);/** Implement this to override open() for the input device and return the fd.*/
extern TSAPI int (*ts_open_restricted)(const char *path, int flags, void *user_data);/** Implement this to override close().*/
extern TSAPI void (*ts_close_restricted)(int fd, void *user_data);/** Returns the file descriptor in use for the touchscreen device.*/
TSAPI int ts_fd(struct tsdev *);/** Load a filter/scaling module*/
TSAPI int ts_load_module(struct tsdev *, const char *mod, const char *params);/** Open the touchscreen device.*/
TSAPI struct tsdev *ts_open(const char *dev_name, int nonblock);/** Find, open and configure the touchscreen device.*/
TSAPI struct tsdev *ts_setup(const char *dev_name, int nonblock);/** Return a scaled touchscreen sample.*/
TSAPI int ts_read(struct tsdev *, struct ts_sample *, int);/** Returns a raw, unscaled sample from the touchscreen.*/
TSAPI int ts_read_raw(struct tsdev *, struct ts_sample *, int);/** Return a scaled touchscreen multitouch sample.*/
TSAPI int ts_read_mt(struct tsdev *, struct ts_sample_mt **, int slots, int nr);/** Return a raw, unscaled touchscreen multitouch sample.*/
TSAPI int ts_read_raw_mt(struct tsdev *, struct ts_sample_mt **, int slots, int nr);/** This function returns a pointer to a static copy of the version info struct.*/
TSAPI struct ts_lib_version_data *ts_libversion(void);/** Get the list of (commented-in) ts.conf module lines (as structs)*/
TSAPI struct ts_module_conf *ts_conf_get(struct tsdev *ts);/** Write the list of modules to ts.conf*/
TSAPI int ts_conf_set(struct ts_module_conf *conf);/** This function returns the path to the opened touchscreen input device file.*/
TSAPI char *ts_get_eventpath(struct tsdev *tsdev);/** This simply returns tslibs version string*/
TSAPI char *tslib_version(void);/** This prints tslibs logo to stdout, with pos preceding spaces*/
TSAPI void ts_print_ascii_logo(unsigned int pos);#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _TSLIB_H_ */
1.8 ui.h
#ifndef _UI_H_
#define _UI_H_
#includecommon.h
#includedisp_manager.h
#includeinput_manager.h#define BUTTON_DEFAULT_COLOR 0xff0000 //red
#define BUTTON_PERCENT_COLOR 0x0000ff //blue
#define BUTTON_TEXT_COLOR 0x000000
#define BUTTON_PRESSED_COLOR 0x00ff00 //greenstruct Button;
/* 函数指针绘制按键 */
typedef int (*ONDRAW_FUNC)(struct Button *ptButton, PDispBuff ptDispBuff);
/* 函数指针按下按钮 */
typedef int (*ONPRESSED_FUNC)(struct Button *ptButton, PDispBuff ptDispBuff, PInputEvent ptInputEvent);typedef struct Button {char *name; // 按键 名字int status; //按键 按下状态Region tRegion; // 按键的区域ONDRAW_FUNC OnDraw; //一个 ONDRAW_FUNC 类型的函数指针用于指向按钮绘制函数ONPRESSED_FUNC OnPressed; //一个 ONPRESSED_FUNC 类型的函数指针用于指向按钮按下事件处理函数
}Button, *PButton;#endif
二、business文件夹
2.1 config.c
#include config.h
#include string.h
#include stdio.h
static ItemCfg g_tItemCfgs[ITEMCFG_MAX_NUM];
static int g_iItemCfgCount 0;
int ParseConfigFile(void)
{FILE *fp;char buf[100];char *p buf;/* 1. open config file */fp fopen(CFG_FILE, r);if (!fp){printf(can not open cfg file %s\n, CFG_FILE);return -1;}/*获取每行数据*/while (fgets(buf, 100, fp)){/* 2.1 read each line */buf[99] \0; /* 2.2 吃掉开头的空格或TAB */p buf;while (*p || *p \t)p;/* 2.3 忽略注释 */if (*p #)continue;/* 2.4 处理 */g_tItemCfgs[g_iItemCfgCount].command[0] \0;g_tItemCfgs[g_iItemCfgCount].index g_iItemCfgCount;sscanf(p, %s %d %s, g_tItemCfgs[g_iItemCfgCount].name, g_tItemCfgs[g_iItemCfgCount].bCanBeTouched, \g_tItemCfgs[g_iItemCfgCount].command);g_iItemCfgCount; }return 0;
}int GetItemCfgCount(void)
{return g_iItemCfgCount;
}PItemCfg GetItemCfgByIndex(int index)
{if (index g_iItemCfgCount)return g_tItemCfgs[index];elsereturn NULL;
}PItemCfg GetItemCfgByName(char *name)
{int i;for (i 0; i g_iItemCfgCount; i){if (strcmp(name, g_tItemCfgs[i].name) 0)return g_tItemCfgs[i];}return NULL;
}2.2 main.c
#include sys/mman.h
#include sys/types.h
#include sys/stat.h
#include unistd.h
#include linux/fb.h
#include fcntl.h
#include stdio.h
#include string.h
#include sys/ioctl.h
#include stdlib.h
#include font_manager.h
#include disp_manager.h
#include page_manager.h
#include input_manager.h
#include wchar.h//可以使用中文
#define FONTDATAMAX 4096int main(int argc, char **argv)
{//Region region;//PDispBuff ptBuffer;printf(main run!); int error;if (argc ! 2){printf(Usage: %s font_size\n, argv[0]); //打印用法return -1;}/*显示系统初始化*/DisplayInit(); SelectDefaultDisplay(fb);/*选择lcd显示设备*/InitDefaultDisplay(); /*lcd显示设备初始化*///ptBuffer GetDisplayBuffer(); /*获取显示内存空间*///FlushDisplayRegion(region, ptBuffer);/*输入系统初始化*/InputInit();InputDeviceInit();/*文字系统初始化*/FontsRegister();/*注册字体*/error SelectAndInitFont(freetype, argv[1]);//选择字库操作if (error){printf(SelectAndInitFont err\n);return -1;} /*页面系统初始化*/PagesRegister();/*运行业务系统的主页面*/Page(main)-Run(NULL);return 0;
}2.3 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y config.o
obj-y main.o三、button文件夹
3.1 button.c(修改在InitButton函数中添加if(ptRegion)判断)
#includeui.h
#include string.h
#include disp_manager.h
static int DefaultOnDraw(struct Button *ptButton, PDispBuff ptDispBuff){/* 绘制底色 DrawRegion追加在disp_manager.c中 */DrawRegion(ptButton-tRegion, BUTTON_DEFAULT_COLOR); // 红色 0xff0000/* 居中写文字 DrawTextInRegionCentral追加在disp_manager.c中*/DrawTextInRegionCentral(ptButton-name, ptButton-tRegion, BUTTON_TEXT_COLOR); //黑色 0x000000/* flush to lcd/web */FlushDisplayRegion(ptButton-tRegion, ptDispBuff);return 0;}
static int DefaultOnPressed(struct Button *ptButton, PDispBuff ptDispBuff, PInputEvent ptInputEvent)
{unsigned int dwColor BUTTON_DEFAULT_COLOR; ptButton-status !ptButton-status;if (ptButton-status)dwColor BUTTON_PRESSED_COLOR;/* 绘制底色 */DrawRegion(ptButton-tRegion, dwColor);/* 居中写文字 */DrawTextInRegionCentral(ptButton-name, ptButton-tRegion, BUTTON_TEXT_COLOR);/* flush to lcd/web */FlushDisplayRegion(ptButton-tRegion, ptDispBuff);return 0;
}void InitButton(PButton ptButton, char *name, PRegion ptRegion, ONDRAW_FUNC OnDraw, ONPRESSED_FUNC OnPressed)
{ptButton-status 0; //初始状态为 0 未按下ptButton-name name;if(ptRegion)ptButton-tRegion *ptRegion; // 按钮的区域ptButton-OnDraw OnDraw ? OnDraw : DefaultOnDraw; //若 OnDraw 为空则执行默认绘制函数DefaultOnDrawptButton-OnPressed OnPressed ? OnPressed : DefaultOnPressed; //若 OnPressed 为空则执行默认绘制函数DefaultOnPressed
}
3.2 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y button.o
四、display文件夹
4.1 disp_manager.c
#include disp_manager.h
#include font_manager.h
#include stdio.h
#include string.h
//管理底层lcd和web
/* display_manager.c */
static PDispOpr g_DispDevs NULL;//设备链表表头
static PDispOpr g_DispDefault NULL;
static DispBuff g_tDispBuff;static unsigned int line_width;
static unsigned int pixel_width;
//绘制像素
int PutPixel(int x, int y, unsigned int dwColor)
{char *pen_8 g_tDispBuff.buffy*line_widthx*pixel_width;unsigned short *pen_16; unsigned int *pen_32; unsigned int red, green, blue; pen_16 (unsigned short *)pen_8;pen_32 (unsigned int *)pen_8;switch (g_tDispBuff.iBpp){case 8:{*pen_8 dwColor;break;}case 16:{/* 565 */red (dwColor 16) 0xff;green (dwColor 8) 0xff;blue (dwColor 0) 0xff;dwColor ((red 3) 11) | ((green 2) 5) | (blue 3);*pen_16 dwColor;break;}case 32:{*pen_32 dwColor;break;}default:{printf(cant surport %dbpp\n, g_tDispBuff.iBpp);break;}}return 0;
}void RegisterDisplay(PDispOpr ptDispOpr)
{ptDispOpr-ptNext g_DispDevs;g_DispDevs ptDispOpr;
}//链表中如果存在多个设备则需要进行设备选择
int SelectDefaultDisplay(char *name)
{PDispOpr pTmp g_DispDevs;//从表头开始遍历while (pTmp) {if (strcmp(name, pTmp-name) 0)//找到了{g_DispDefault pTmp;return 0;}pTmp pTmp-ptNext;}return -1;
}int InitDefaultDisplay(void)
{int ret;ret g_DispDefault-DeviceInit(); /*在调用前文SelectDefaultDisplay函数后g_DispDefault即为g_tFramebufferOpr*/if (ret){printf(DeviceInit err\n);return -1;}ret g_DispDefault-GetBuffer(g_tDispBuff);if (ret){printf(GetBuffer err\n);return -1;}line_width g_tDispBuff.iXres * g_tDispBuff.iBpp/8;pixel_width g_tDispBuff.iBpp/8;return 0;
}PDispBuff GetDisplayBuffer(void)
{return g_tDispBuff;
}int FlushDisplayRegion(PRegion ptRegion, PDispBuff ptDispBuff)
{return g_DispDefault-FlushRegion(ptRegion, ptDispBuff);
}//文字绘制函数
void DrawFontBitMap(PFontBitMap ptFontBitMap, unsigned int dwColor)
{int i, j, p, q;int x ptFontBitMap-tRegion.iLeftUpX;int y ptFontBitMap-tRegion.iLeftUpY;int x_max x ptFontBitMap-tRegion.iWidth;int y_max y ptFontBitMap-tRegion.iHeigh;int width ptFontBitMap-tRegion.iWidth;unsigned char *buffer ptFontBitMap-pucBuffer;//printf(x %d, y %d\n, x, y);for ( j y, q 0; j y_max; j, q ){for ( i x, p 0; i x_max; i, p ){if ( i 0 || j 0 ||i g_tDispBuff.iXres || j g_tDispBuff.iYres )continue;//image[j][i] | bitmap-buffer[q * bitmap-width p];if (buffer[q * width p])PutPixel(i, j, dwColor);}}}// 区域绘制函数
void DrawRegion(PRegion ptRegion, unsigned int dwColor)
{int x ptRegion-iLeftUpX;int y ptRegion-iLeftUpY;int width ptRegion-iWidth;int heigh ptRegion-iHeigh;int i,j;for (j y; j y heigh; j){for (i x; i x width; i)PutPixel(i, j, dwColor);}
}//文本绘制函数
void DrawTextInRegionCentral(char *name, PRegion ptRegion, unsigned int dwColor)
{int n strlen(name);int iFontSize ptRegion-iWidth / n / 2;FontBitMap tFontBitMap;int iOriginX, iOriginY;int i 0;int error;if (iFontSize ptRegion-iHeigh)iFontSize ptRegion-iHeigh;iOriginX (ptRegion-iWidth - n * iFontSize)/2 ptRegion-iLeftUpX;iOriginY (ptRegion-iHeigh - iFontSize)/2 iFontSize ptRegion-iLeftUpY;SetFontSize(iFontSize);while (name[i]){/* get bitmap */tFontBitMap.iCurOriginX iOriginX;tFontBitMap.iCurOriginY iOriginY;error GetFontBitMap(name[i], tFontBitMap);if (error){printf(SelectAndInitFont err\n);return;}/* draw on buffer */ DrawFontBitMap(tFontBitMap, dwColor); iOriginX tFontBitMap.iNextOriginX;iOriginY tFontBitMap.iNextOriginY; i;}
}/* display_manager.c */
void DisplayInit(void)
{extern void FramebufferInit(void); /*对应framebuffer设备lcd输出*/FramebufferInit();/*WebTnit()-对应web输出未实现*/
}
4.2 framebuffer.c
#include sys/mman.h
#include sys/types.h
#include sys/stat.h
#include unistd.h
#include linux/fb.h
#include fcntl.h
#include stdio.h
#include string.h
#include sys/ioctl.h#include disp_manager.hstatic int fd_fb; //设备节点的文件权柄
static struct fb_var_screeninfo var; /* Current var */
static int screen_size;
static unsigned char *fb_base;//LCD的framebuffer地址
static unsigned int line_width;
static unsigned int pixel_width;static int FbDeviceInit(void) //设备初始化函数
{fd_fb open(/dev/fb0, O_RDWR);//打开设备节点if (fd_fb 0){printf(cant open /dev/fb0\n);return -1;}if (ioctl(fd_fb, FBIOGET_VSCREENINFO, var)){printf(cant get var\n);return -1;}//var.xres x方向的分辨率line_width var.xres * var.bits_per_pixel / 8;pixel_width var.bits_per_pixel / 8;screen_size var.xres * var.yres * var.bits_per_pixel / 8;fb_base (unsigned char *)mmap(NULL , screen_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd_fb, 0);//内存映射if (fb_base (unsigned char *)-1){printf(cant mmap\n);return -1;}return 0;
}static int FbDeviceExit(void) //设备退出函数释放设备资源
{munmap(fb_base, screen_size);//取消内存映射close(fd_fb);return 0;
}/* 可以返回LCD的framebuffer, 以后上层APP可以直接操作LCD, 可以不用FbFlushRegion* 也可以malloc返回一块无关的buffer, 要使用FbFlushRegion*/
static int FbGetBuffer(PDispBuff ptDispBuff)//获取内存空间
{ptDispBuff-iXres var.xres;ptDispBuff-iYres var.yres;ptDispBuff-iBpp var.bits_per_pixel;ptDispBuff-buff (char *)fb_base;return 0;
}static int FbFlushRegion(PRegion ptRegion, char *buffer) //刷新函数
{return 0;
}// 构建framebuffer设备结构体
static DispOpr g_tFramebufferOpr { .name fb, //设备的名字是fb.DeviceInit FbDeviceInit, //.DeviceExit FbDeviceExit, //.GetBuffer FbGetBuffer, //获得buf空间中的数据.FlushRegion FbFlushRegion, //刷新
};void FramebufferInit(void)
{RegisterDisplay(g_tFramebufferOpr);
}
4.3 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y disp_manager.o
obj-y framebuffer.o
五、freetype文件夹
5.1 font_manager.c
#include font_manager.h
#include string.h
static PFontOpr g_ptFonts NULL;
static PFontOpr g_ptDefaulFontOpr NULL;void RegisterFont(PFontOpr ptFontOpr)
{ptFontOpr-ptNext g_ptFonts;g_ptFonts ptFontOpr;
}void FontsRegister(void)
{extern void FreetypeRegister(void);FreetypeRegister();
}int SelectAndInitFont(char *aFontOprName, char *aFontFileName)
{PFontOpr ptTmp g_ptFonts;while (ptTmp){if (strcmp(ptTmp-name, aFontOprName) 0)break;ptTmp ptTmp-ptNext;}if (!ptTmp)return -1;g_ptDefaulFontOpr ptTmp;return ptTmp-FontInit(aFontFileName);
}int SetFontSize(int iFontSize)
{return g_ptDefaulFontOpr-SetFontSize(iFontSize);
}int GetFontBitMap(unsigned int dwCode, PFontBitMap ptFontBitMap)
{return g_ptDefaulFontOpr-GetFontBitMap(dwCode, ptFontBitMap);
}
5.2 freetype.c
#include sys/mman.h
#include sys/types.h
#include sys/stat.h
#include unistd.h
#include linux/fb.h
#include fcntl.h
#include stdio.h
#include string.h
#include math.h
#include wchar.h
#include sys/ioctl.h
#include font_manager.h
#include ft2build.h//freetype库中的一个头文件
#include FT_FREETYPE_H
#include FT_GLYPH_H
static FT_Face g_tFace;
static int g_iDefaultFontSize 12;static int FreeTypeFontInit(char *aFineName)
{FT_Library library;int error;error FT_Init_FreeType( library ); /* initialize library */ if (error){printf(FT_Init_FreeType err\n);return -1;}error FT_New_Face(library, aFineName, 0, g_tFace ); /* create face object */if (error){printf(FT_New_Face err\n);return -1;}FT_Set_Pixel_Sizes(g_tFace, g_iDefaultFontSize, 0);return 0;
}static int FreeTypeSetFontSize(int iFontSize)
{FT_Set_Pixel_Sizes(g_tFace, iFontSize, 0);return 0;
}
//给编码值得到位图
static int FreeTypeGetFontBitMap(unsigned int dwCode, PFontBitMap ptFontBitMap)
{int error;FT_Vector pen;FT_GlyphSlot slot g_tFace-glyph;pen.x ptFontBitMap-iCurOriginX * 64; /* 单位: 1/64像素 */pen.y ptFontBitMap-iCurOriginY * 64; /* 单位: 1/64像素 *//* 转换transformation */FT_Set_Transform(g_tFace, 0, pen);//FT_Set_Transform是FreeType库中的函数/* 加载位图: load glyph image into the slot (erase previous one) */error FT_Load_Char(g_tFace, dwCode, FT_LOAD_RENDER);if (error){printf(FT_Load_Char error\n);return -1;}ptFontBitMap-pucBuffer slot-bitmap.buffer;ptFontBitMap-tRegion.iLeftUpX slot-bitmap_left;ptFontBitMap-tRegion.iLeftUpY ptFontBitMap-iCurOriginY*2 - slot-bitmap_top;ptFontBitMap-tRegion.iWidth slot-bitmap.width;ptFontBitMap-tRegion.iHeigh slot-bitmap.rows;ptFontBitMap-iNextOriginX ptFontBitMap-iCurOriginX slot-advance.x / 64;ptFontBitMap-iNextOriginY ptFontBitMap-iCurOriginY;return 0;
}
//描述字库操作及对应具体实现
static FontOpr g_tFreetypeOpr {.name freetype,.FontInit FreeTypeFontInit,.SetFontSize FreeTypeSetFontSize,.GetFontBitMap FreeTypeGetFontBitMap,
};void FreetypeRegister(void)
{RegisterFont(g_tFreetypeOpr);
}5.3 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y freetype.o
obj-y font_manager.o
六、input文件夹
6.1 input_manager.c
#include input_manager.h
#include pthread.h
#include stdio.h
#include unistd.h
#include semaphore.h
#include string.h
static pthread_mutex_t g_tMutex PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t g_tConVar PTHREAD_COND_INITIALIZER;
static PInputDevice g_InputDevs NULL;/************环形缓冲区开******************/
#define BUFFER_LEN 20 /*环形缓冲区长度*/
static int g_iRead 0; /*读指针*/
static int g_iWrite 0; /*写指针*/
static InputEvent g_atInputEvents[BUFFER_LEN]; /*环形缓冲区*/
/*判断环形缓冲区是否为满*/
static int isInputBufferFull(void)
{return (g_iRead ((g_iWrite 1) % BUFFER_LEN));
}
/*判断环形缓冲区是否为空*/
static int isInputBufferEmpty(void)
{return (g_iRead g_iWrite);
}
/************环形缓冲区关******************///缓冲区事件存储函数
static void PutInputEventToBuffer(PInputEvent ptInputEvent)
{if (!isInputBufferFull()){g_atInputEvents[g_iWrite] *ptInputEvent;g_iWrite (g_iWrite 1) % BUFFER_LEN;}
}
//缓冲区事件获取函数
static int GetInputEventFromBuffer(PInputEvent ptInputEvent)
{if (!isInputBufferEmpty()){*ptInputEvent g_atInputEvents[g_iRead];g_iRead (g_iRead 1) % BUFFER_LEN;return 1;}else{return 0;}
}
// 事件获取函数
int GetInputEvent(PInputEvent ptInputEvent)
{InputEvent tEvent;int ret;/* 无数据则休眠 */pthread_mutex_lock(g_tMutex); /*互斥锁*/if (GetInputEventFromBuffer(tEvent)){*ptInputEvent tEvent;pthread_mutex_unlock(g_tMutex);/*释放互斥锁*/return 0;}else{/* 休眠等待 */pthread_cond_wait(g_tConVar, g_tMutex); if (GetInputEventFromBuffer(tEvent)){*ptInputEvent tEvent;ret 0;}else{ret -1;}pthread_mutex_unlock(g_tMutex); /*释放互斥锁*/ }return ret;
}
//线程函数
static void *input_recv_thread_func (void *data)
{PInputDevice ptInputDev (PInputDevice)data;InputEvent tEvent;int ret; while (1){/* 读数据 */ret ptInputDev-GetInputEvent(tEvent);if (!ret){ /* 保存数据 */pthread_mutex_lock(g_tMutex);PutInputEventToBuffer(tEvent);/* 唤醒等待数据的线程 */pthread_cond_signal(g_tConVar); /* 通知接收线程 */pthread_mutex_unlock(g_tMutex);}}return NULL;
}void RegisterInputDevice(PInputDevice ptInputDev)
{ptInputDev-ptNext g_InputDevs;//指向链表头g_InputDevs ptInputDev;
}void InputInit(void)
{/* 注册按键输入 */extern void TouchscreenRegister(void);TouchscreenRegister();//在touchscreen.c中/* 注册网络输入 */extern void NetInputRegister(void);NetInputRegister();//在netinput.c中
}void InputDeviceInit(void)
{int ret;pthread_t tid;/* for each device ,init,pthread_create */PInputDevice ptTmp g_InputDevs;while (ptTmp){ret ptTmp-DeviceInit();if (!ret){ret pthread_create(tid, NULL, input_recv_thread_func, ptTmp);}ptTmp ptTmp-ptNext;}
}
6.2 netinput.c
#include sys/types.h /* See NOTES */
#include sys/socket.h
#include string.h
#include sys/socket.h
#include netinet/in.h
#include arpa/inet.h
#include unistd.h
#include stdio.h
#include string.h
#include input_manager.h#define SERVER_PORT 8888static int g_iSocketServer;static int NetinputGetInputEvent(PInputEvent ptInputEvent)
{char ucRecvBuf[1000];int iRecvLen;struct sockaddr_in tSocketClientAddr;unsigned int iAddrLen sizeof(struct sockaddr);/* 接收客户端数据报文返回的为接收到的字节数 */iRecvLen recvfrom(g_iSocketServer, ucRecvBuf, sizeof(ucRecvBuf), 0, (struct sockaddr *)tSocketClientAddr, iAddrLen);if (iRecvLen 0){ucRecvBuf[iRecvLen] \0;//printf(Get Msg from %s : %s\n, inet_ntoa(socket_client_addr.sin_addr), buf);ptInputEvent-iType INPUT_TYPE_NET;gettimeofday(ptInputEvent-tTime, NULL);strncpy(ptInputEvent-str, ucRecvBuf, 1000);ptInputEvent-str[999] \0;return 0;}elsereturn -1;
}static int NetinputDeviceInit(void)
{struct sockaddr_in tSocketServerAddr;int iRet;/*创建数据报套接字*/g_iSocketServer socket(AF_INET, SOCK_DGRAM, 0);if (g_iSocketServer -1){printf(socket error);return -1;}/* 服务器端填充 sockaddr_in结构 */tSocketServerAddr.sin_family AF_INET;tSocketServerAddr.sin_port htons(SERVER_PORT);tSocketServerAddr.sin_addr.s_addr INADDR_ANY;memset(tSocketServerAddr.sin_zero, 0, 8);/*绑定套接字*/iRet bind(g_iSocketServer, (const struct sockaddr *)tSocketServerAddr, sizeof(struct sockaddr));if (iRet -1){printf(bind error!\n);return -1;}return 0;
}static int NetinputDeviceExit(void)
{close(g_iSocketServer);return 0;
}static InputDevice g_tNetinputDev {.name netinput,.GetInputEvent NetinputGetInputEvent,.DeviceInit NetinputDeviceInit,.DeviceExit NetinputDeviceExit,};
void NetInputRegister(void)
{RegisterInputDevice(g_tNetinputDev);
}
#if 0int main(int argc, char **argv)
{InputEvent event;int ret;g_tNetinputDev.DeviceInit();while (1){ret g_tNetinputDev.GetInputEvent(event);if (ret){printf(GetInputEvent err\r\n);return -1;}else{printf(iType %d\r\n, event.iType);printf(str %s\r\n, event.str);}}return 0;
}#endif6.3 touchscreen.c
#include input_manager.h
#include tslib.h
#include stdio.hstruct tsdev *g_ts;
//获取触摸事件
static int TouchscreenGetInputEvent(PInputEvent ptInputEvent)
{struct ts_sample samp;int ret;ret ts_read(g_ts, samp, 1);if (ret ! 1)return -1;ptInputEvent-iType INPUT_TYPE_TOUCH;ptInputEvent-iX samp.x;ptInputEvent-iY samp.y;ptInputEvent-iPressure samp.pressure;ptInputEvent-tTime samp.tv;return 0;
}
//触摸屏设备初始化
static int TouchscreenDeviceInit(void)
{/* 打开并配置触摸屏设备 */g_ts ts_setup(NULL, 0);if (!g_ts){printf(ts_setup err\n);return -1;}return 0;
}
//触摸设备退出
static int TouchscreenDeviceExit(void)
{ts_close(g_ts);return 0;
}
//设备结构体
static InputDevice g_tTouchscreenDev {.name touchscreen,.GetInputEvent TouchscreenGetInputEvent,.DeviceInit TouchscreenDeviceInit,.DeviceExit TouchscreenDeviceExit,};void TouchscreenRegister(void)
{RegisterInputDevice(g_tTouchscreenDev);
}#if 0int main(int argc, char **argv)
{InputEvent event;int ret;g_tTouchscreenDev.DeviceInit();while (1){ret g_tTouchscreenDev.GetInputEvent(event);if (ret){printf(GetInputEvent err\r\n);return -1;}else{printf(iType %d\r\n, event.iType);printf(iX %d\r\n, event.iX);printf(iY %d\r\n, event.iY);printf(iPressure %d\r\n, event.iPressure);}}return 0;
}#endif6.4 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y input_manager.o
obj-y netinput.o
obj-y touchscreen.o七、page文件夹
7.1 main_page.c
#include page_manager.h
#include config.h
#include string.h
#include stdio.h
#include math.h
#include ui.h
#define X_GAP 5
#define Y_GAP 5static Button g_tButtons[ITEMCFG_MAX_NUM];
static int g_tButtonCnt;static int MainPageOnPressed(struct Button *ptButton, PDispBuff ptDispBuff, PInputEvent ptInputEvent)
{unsigned int dwColor BUTTON_DEFAULT_COLOR;char name[100];char status[100];char *strButton;strButton ptButton-name;/* 1. 对于触摸屏事件 */if (ptInputEvent-iType INPUT_TYPE_TOUCH){/* 1.1 分辨能否被点击 */if (GetItemCfgByName(ptButton-name)-bCanBeTouched 0)return -1;/* 1.2 修改颜色 */ptButton-status !ptButton-status;if (ptButton-status)//button colordwColor BUTTON_PRESSED_COLOR;strButton ptButton-name;}else if (ptInputEvent-iType INPUT_TYPE_NET){/* 2. 对于网络事件 *//* 根据传入的字符串修改颜色 : wifi ok, wifi err, burn 70 */sscanf(ptInputEvent-str, %s %s, name, status);if (strcmp(status, ok) 0)dwColor BUTTON_PRESSED_COLOR;//greenelse if (strcmp(status, err) 0)dwColor BUTTON_DEFAULT_COLOR;//redelse if (status[0] 0 status[0] 9)//blue{ dwColor BUTTON_PERCENT_COLOR;strButton status; }elsereturn -1;}else{return -1;}/* 绘制底色 */DrawRegion(ptButton-tRegion, dwColor);/* 居中写文字 */DrawTextInRegionCentral(strButton, ptButton-tRegion, BUTTON_TEXT_COLOR);/* 刷新界面到 lcd/web */FlushDisplayRegion(ptButton-tRegion, ptDispBuff);return 0;
}/* 根据配置文件生成按钮、界面 */
static void GenerateButtons(void)
{int width, height;int n_per_line;int row, rows;int col;int n;PDispBuff pDispBuff;int xres, yres;int start_x, start_y;int pre_start_x, pre_start_y;PButton pButton;int i 0;/* 算出单个按钮的width/height */g_tButtonCnt n GetItemCfgCount();pDispBuff GetDisplayBuffer();xres pDispBuff-iXres;yres pDispBuff-iYres;width sqrt(1.0/0.618 *xres * yres / n);n_per_line xres / width 1;width xres / n_per_line;height 0.618 * width; /* 居中显示: 计算每个按钮的region */start_x (xres - width * n_per_line) / 2;rows n / n_per_line;if (rows * n_per_line n)rows;start_y (yres - rows*height)/2;/* 计算每个按钮的region */for (row 0; (row rows) (i n); row){pre_start_y start_y row * height;pre_start_x start_x - width;for (col 0; (col n_per_line) (i n); col){pButton g_tButtons[i];pButton-tRegion.iLeftUpX pre_start_x width;pButton-tRegion.iLeftUpY pre_start_y;pButton-tRegion.iWidth width - X_GAP;pButton-tRegion.iHeigh height - Y_GAP;pre_start_x pButton-tRegion.iLeftUpX;/* InitButton */InitButton(pButton, GetItemCfgByIndex(i)-name, NULL, NULL, MainPageOnPressed);i;}}/* OnDraw */for (i 0; i n; i)g_tButtons[i].OnDraw(g_tButtons[i], pDispBuff);
}/* 判断点击的位置 */
static int isTouchPointInRegion(int iX, int iY, PRegion ptRegion)
{if (iX ptRegion-iLeftUpX || iX ptRegion-iLeftUpX ptRegion-iWidth)return 0;if (iY ptRegion-iLeftUpY || iY ptRegion-iLeftUpY ptRegion-iHeigh)return 0;return 1;
}/*根据名字获取配置文件*/
static PButton GetButtonByName(char *name)
{int i;for(i0;ig_tButtonCnt;i){if(strcmp(name,g_tButtons[i].name)0)return g_tButtons[i];}return NULL;}
/* 根据输入事件找到按钮 */
static PButton GetButtonByInputEvent(PInputEvent ptInputEvent)
{int i;char name[100];if (ptInputEvent-iType INPUT_TYPE_TOUCH)//触摸得到事件{for (i 0; i g_tButtonCnt; i){ ///* 判断点击的位置 */if (isTouchPointInRegion(ptInputEvent-iX, ptInputEvent-iY, g_tButtons[i].tRegion))return g_tButtons[i];}}else if (ptInputEvent-iType INPUT_TYPE_NET)//网络得到事件{sscanf(ptInputEvent-str, %s, name);return GetButtonByName(name);}else{return NULL;}return NULL;
}static void MainPageRun(void *pParams)
{int error;InputEvent tInputEvent;PButton ptButton;PDispBuff ptDispBuff GetDisplayBuffer();/* 读取配置文件 */error ParseConfigFile();if (error)return ;/* 根据配置文件生成按钮、界面 */GenerateButtons();while (1){/* 读取输入事件 */error GetInputEvent(tInputEvent);if (error)continue;/* 根据输入事件找到按钮 */ptButton GetButtonByInputEvent(tInputEvent);if (!ptButton)continue;/* 调用按钮的OnPressed函数 */ptButton-OnPressed(ptButton, ptDispBuff, tInputEvent);}
}static PageAction g_tMainPage {.name main,.Run MainPageRun,
};void MainPageRegister(void)
{PageRegister(g_tMainPage);
}
7.2 page_manager.c
#include common.h
#include page_manager.h
#include string.h
static PPageAction g_ptPages NULL;void PageRegister(PPageAction ptPageAction)
{ptPageAction-ptNext g_ptPages;g_ptPages ptPageAction;
}PPageAction Page(char *name)
{PPageAction ptTmp g_ptPages;while (ptTmp){if (strcmp(name, ptTmp-name) 0)return ptTmp;ptTmp ptTmp-ptNext;}return NULL;
}void PagesRegister(void)
{extern void MainPageRegister(void);MainPageRegister();
}
7.3 Makefile
EXTRA_CFLAGS :
CFLAGS_file.o :
obj-y main_page.o
obj-y page_manager.o八、顶层Makefile及Makefile.build
8.1 Makefile
注意LDFLAGS 添加链接器。此外freetype的交叉编译可参考韦东山-电子量产工具项目文字单元_Alexius Chao的博客-CSDN博客b韦东山-电子量产工具项目文字单元_Alexius Chao的博客-CSDN博客b韦东山-电子量产工具项目文字单元_Alexius Chao的博客-CSDN博客韦东山-电子量产工具项目文字单元_Alexius Chao的博客-CSDN博客b韦东山-电子量产工具项目文字单元_Alexius Chao的博客-CSDN博客b 交叉编译完成后Makefile中指定LDFLAGS CFLAGS
#指定交叉编译工具链
COSS_COMPLE ?arm-linux-gnueabihf-
AS $(COSS_COMPLE)as
LD $(COSS_COMPLE)ld
CC $(COSS_COMPLE)gcc
CPP $(CC) -E
AR $(CROSS_COMPILE)ar
NM $(CROSS_COMPILE)nmSTRIP $(CROSS_COMPILE)strip
OBJCOPY $(CROSS_COMPILE)objcopy
OBJDUMP $(CROSS_COMPILE)objdump# export导出的变量是给子目录下的Makefile使用的
export AS LD CC CPP AR NM
export STRIP OBJCOPY OBJDUMP# 编译器在编译时的参数设置
CFLAGS : -Wall -O2 -g -DDEBUG
# 添加头文件路径不添加的话include目录下的头文件编译时找不到
CFLAGS -I $(shell pwd)/include -I/home/alexius/Downloads/freetype-2.10.2/install/include/freetype2# 链接器的链接参数设置链接库
LDFLAGS : -L/home/alexius/Downloads/tslib-1.21/install/lib -lts -L/home/alexius/Downloads/freetype-2.10.2/install/lib -lfreetype -lpthread -lm #触摸屏库链接export CFLAGS LDFLAGSTOPDIR : $(shell pwd)
export TOPDIR# 定义将来编译生成的可执行程序的名字
TARGET : business_test# 添加项目中所有用到的源文件有顶层目录下的.c文件和子文件夹
# 添加顶层目录下的.c文件
#obj-y main.o# 添加顶层目录下的子文件夹注意目录名后面加一个/
#obj-y main.o
obj-y page/
obj-y input/
obj-y business/
obj-y display/
obj-y button/
obj-y freetype/# 第一个目标
all : start_recursive_build $(TARGET)echo $(TARGET) has been built!# 处理第一个依赖**转到 Makefile.build 执行**
start_recursive_build:make -C ./ -f $(TOPDIR)/Makefile.build# 处理最终目标把前期处理得出的 built-in.o 用上
$(TARGET) : built-in.o$(CC) -o $(TARGET) built-in.o $(LDFLAGS)# 清理
clean:rm -f $(shell find -name *.o)rm -f $(TARGET)# 彻底清理
distclean:rm -f $(shell find -name *.o)rm -f $(shell find -name *.d)rm -f $(TARGET)8.2 Makefile.build # 将__build定义为伪目标
PHONY : __build
__build:# 这里初值为空下面引入Makefile文件后会被覆盖
obj-y :
subdir-y :# 包含同级目录的Makefile
include Makefile# 从obj-y变量中将/结尾的字符串提取出来也就是包含的子文件夹目录
__subdir-y : $(patsubst %/,%,$(filter %/, $(obj-y)))
subdir-y $(__subdir-y)# 将subdir-y变量中的字符串依次赋值给f变量形成新的$(f)/built-in.o字符串
subdir_objs : $(foreach f,$(subdir-y),$(f)/built-in.o)# 筛选出obj-y中不以/结尾的字符串也就是普通文件一般是.o结尾
cur_objs : $(filter-out %/, $(obj-y))# 为每个.o文件生成.d文件
# 注意.$(f).d是隐藏文件需要ls -a查看
dep_files : $(foreach f,$(cur_objs),.$(f).d)
dep_files : $(wildcard $(dep_files))# 如果.d文件不是空则将.d文件都包含进来
ifneq ($(dep_files),)include $(dep_files)
endifPHONY $(subdir-y)# __build是Makefile的目标__build : $(subdir-y) built-in.o# 依次跳转到子目录中执行Makefile.build文件
$(subdir-y):make -C $ -f $(TOPDIR)/Makefile.build# 生成当前目录的built-in.o依赖当前目录的.o文件和子目录下的built-in.o文件
built-in.o : $(cur_objs) $(subdir_objs)$(LD) -r -o $ $^# dep_file变量是用来生成.d文件的
dep_file .$.d# Makefile中的规则把.c文件编译成.o文件
%.o : %.c$(CC) $(CFLAGS) -Wp,-MD,$(dep_file) -c -o $ $# 重新定义 .PHONY的依赖
.PHONY : $(PHONY)九、编译 十、client.c文件
#include sys/types.h /* See NOTES */
#include sys/socket.h
#include string.h
#include sys/socket.h
#include netinet/in.h
#include arpa/inet.h
#include unistd.h
#include stdio.h#define SERVER_PORT 8888int main(int argc, char **argv)
{int iSocketClient;struct sockaddr_in tSocketServerAddr;int iRet;int iSendLen;int iAddrLen;if (argc ! 3){printf(Usage:\n);printf(%s server_ip str\n, argv[0]);return -1;}iSocketClient socket(AF_INET, SOCK_DGRAM, 0);tSocketServerAddr.sin_family AF_INET;tSocketServerAddr.sin_port htons(SERVER_PORT); /* host to net, short *///tSocketServerAddr.sin_addr.s_addr INADDR_ANY;if (0 inet_aton(argv[1], tSocketServerAddr.sin_addr)){printf(invalid server_ip\n);return -1;}memset(tSocketServerAddr.sin_zero, 0, 8);#if 0iRet connect(iSocketClient, (const struct sockaddr *)tSocketServerAddr, sizeof(struct sockaddr)); if (-1 iRet){printf(connect error!\n);return -1;}
#endifiAddrLen sizeof(struct sockaddr);iSendLen sendto(iSocketClient, argv[2], strlen(argv[2]), 0,(const struct sockaddr *)tSocketServerAddr, iAddrLen);close(iSocketClient);return 0;
}
该文件需要单独编译执行arm-linux-gnueabihf-gcc client.c -o all_client 十一、gui.conf文件
# name can_be_touch command
led 1
speaker 1
record 0
key 0
4G 0
usb 0
serial 0
wifi 0
net0 0
net1 0
burn 0
all 0十二、测试结果
将可执行文件all_client buinss business_test及配置项gui.conf拷贝到开发板 执行 ./business_test ./SIMSUN.TTC 执行 ./all_client 192.168.10.50 led ok ./all_client 192.168.10.50 burn 88
