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dsfa
Dependencies: dsf SDFileSystem TextLCD mbed stepper_moter
Fork of my_example_Nucleo_Ex05_SD_zhangyuxiang2 by
Revision 4:c88bf297ee75, committed 2018-05-08
- Comitter:
- brainliang
- Date:
- Tue May 08 01:50:44 2018 +0000
- Parent:
- 3:1e51c10aa4f2
- Commit message:
- sdfa
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCDShow/LCDShow.cpp Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,116 @@ +#include "LCDShow.h" + +LCDShow::LCDShow(PinName rs,PinName e,PinName d4,PinName d5,PinName d6,PinName d7,LCDType type):TextLCD(rs,e,d4,d5,d6,d7,type) +{ + Max_pos = PrePos = now_pos = 0; + start = true; + Pos_fresh = false; + Neg_fresh = false; + Now_fresh = false; + Read_file = false; +} +void LCDShow::CurrPos() +{ + int i = Choose.pulses_ % 4; + if(i < 0) + { + Choose.pulses_ = 0; + i = 0; + } + if(PrePos == 3 && i == 0) + { + Pos_fresh = true; + } + else if(PrePos == 0 && i == 3) + { + Neg_fresh = true; + } + else if(PrePos != i) + { + Now_fresh = true; + } + + if(!Read_file) + { + PrePos = i; + this->locate(18,i); + this->printf("<-"); + } +} + +void LCDShow::ReadFile() +{ + if(!btn3.read()) + { + file_name = "/sd/"; + file_name += File_dir[now_pos + (PrePos - 4)]; + Read_file = true; + } +} +void LCDShow::getDir(vector<string> _dir) +{ + File_dir = _dir; +} +void LCDShow::showdir() +{ + if(start) + { + t1.attach(this,&LCDShow::showdir,0.2); + t2.attach(this,&LCDShow::ReadFile,0.5); + Max_pos = File_dir.size(); + for(;now_pos < 4; now_pos ++) + { + this->printf("%s\n",File_dir[now_pos]); + } + start = false; + return; + } + CurrPos(); + if(!Read_file) + { + if(Pos_fresh == true) + { + this->cls(); + for(int i = 0;i < 4; i ++) + { + if(now_pos >= Max_pos) + { + continue; + } + this->printf("%s\n",File_dir[now_pos]); + now_pos ++; + } + Pos_fresh = false; + } + else if(Neg_fresh == true) + { + this->cls(); + now_pos -= 8; + if(now_pos < 0) + now_pos = 0; + for(int i = 0;i < 4; i ++) + { + this->printf("%s\n",File_dir[now_pos]); + now_pos ++; + } + Neg_fresh = false; + } + else if(Now_fresh == true) + { + this->cls(); + now_pos -= 4; + for(int i = 0;i < 4; i ++) + { + this->printf("%s\n",File_dir[now_pos]); + now_pos ++; + } + Now_fresh = false; + } + } + else if(Read_file) + { + this->cls(); + this->printf("OPEN %s\n",file_name); + } + return; +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCDShow/LCDShow.h Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,37 @@ +#ifndef LCDSHOW_h +#define LCDSHOW_h +#include "mbed.h" +#include "TextLCD.h" +#include <vector> +#include <string> +#include "QEI.h" + + +extern QEI Choose; +extern InterruptIn btn3; + +class LCDShow:public TextLCD +{ +public: + LCDShow(PinName rs,PinName e,PinName d4,PinName d5,PinName d6,PinName d7,LCDType type = LCD16x2); + void showdir(); + void getDir(vector<string> _dir); + void CurrPos(); + void ReadFile(); + string file_name; + bool Read_file; +private: + vector<string> File_dir; + + int PrePos; + int now_pos; + int Max_pos; + Ticker t1; + Ticker t2; + bool start; + bool Pos_fresh; + bool Neg_fresh; + bool Now_fresh; +}; + +#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QEI.lib Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/brainliang/code/dsf/#3753789f4288
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDRead/SDRead.cpp Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,40 @@ +#include "SDRead.h" + +SDRead::SDRead(PinName mosi,PinName miso,PinName sclk,PinName cs,const char *name):SDFileSystem(mosi,miso,sclk,cs,name) +{} +bool SDRead:: Get_FileDir() +{ + this -> mount(); + DirHandle *dh = opendir("/sd/"); + if(!dh){ + return false; + } + dirent *entry; + for(;;) + { + entry = dh -> readdir(); + if(!entry) + {break;} + string dir_name = entry -> d_name; + if(dir_name == "System Volume Information") + continue; + File_dir.push_back(dir_name); + } + dh -> closedir(); + return true; +} +bool SDRead::Read_File(const char* FileName) +{ + FILE *fp1 = fopen(FileName,"r"); + if(fp1 == NULL) + { + return false; + } + char buf[200]; + while(fgets(buf,sizeof(buf),fp1) != NULL) + { + string info = buf; + Info.push_back(info); + } + return true; +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDRead/SDRead.h Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,17 @@ +#ifndef SDREAD_H +#define SDREAD_H +#include "SDFileSystem.h" +#include "mbed.h" +#include <vector> +#include <string> + +class SDRead:public SDFileSystem +{ +public: + SDRead(PinName mosi,PinName miso,PinName sclk,PinName cs,const char *name); + vector<string> File_dir; + vector<string> Info; + bool Get_FileDir(); + bool Read_File(const char* FileName); +}; +#endif \ No newline at end of file
--- a/main.cpp Thu May 03 10:53:02 2018 +0000 +++ b/main.cpp Tue May 08 01:50:44 2018 +0000 @@ -1,86 +1,33 @@ #include "mbed.h" -#include "TextLCD.h" -#include "SDFileSystem.h" +#include "SDRead.h" +#include "LCDShow.h" + +QEI Choose(PB_5,PB_8, NC, 11, QEI::X2_ENCODING); +InterruptIn btn3(PA_5); //LCD显示屏 rs, e, d4-d7, model -TextLCD lcd(PC_13, PC_14, PC_15, PA_0, PA_1, PA_4, TextLCD::LCD20x4); // rs, e, d4-d7, model V4版本 - -//SD卡 mosi, miso, sclk, cs, name 用SPI端口 -SDFileSystem sd(PB_15, PB_14, PB_13, PB_12, "sd"); -Serial pc(PA_9, PA_10); //与电脑通讯的串口 +LCDShow lcd(PC_13, PC_14, PC_15, PA_0, PA_1, PA_4, TextLCD::LCD20x4); // rs, e, d4-d7, model V4版本 屏幕为4行,每行20字符(列) +SDRead sd(PB_15, PB_14, PB_13, PB_12, "sd"); -int main() { - DirHandle *dh = opendir("/sd/"); //读取SD卡中的文件列表 - if(!dh){ - pc.printf("opendir error\n"); - return 1; - } - dirent *entry; - for(;;){ - entry = dh->readdir(); - if(!entry) - break; - pc.printf("%s\r\n", entry->d_name); - } - dh->closedir(); - - // 写文件例子 - FILE *fp2 = fopen("/sd/write.txt", "w"); - if (fp2 == NULL) +int main() +{ + sd.mount(); //加注释!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + while(1) { - pc.printf("open error2!!\r\n"); - return 1; - } - pc.printf("file opened for write\r\n"); - fprintf(fp2, "hello\r\n"); - fprintf(fp2, "%d", 23333); - fclose(fp2); //写完文件要记得关闭,不然可能没保存上 - - // 读文件例子 - FILE *fp = fopen("/sd/test.txt", "r"); //打开文件,路径以“/sd/”开头 - - if (fp == NULL) //打开失败,原因可能是文件不存在,或卡没有连接好 - { - pc.printf("open error!!\r\n"); - return 1; + if(sd.Get_FileDir()) //加注释!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + { + lcd.getDir(sd.File_dir); //加注释!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + lcd.showdir();//LCD显示文件目录 + } + if(lcd.Read_file) //加注释!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + { + if(sd.Read_File(lcd.file_name.data())) + { + for(int i = 0; i < sd.Info.size(); i++)//sd.Info 就是读取到的文件信息向量 + { + printf("%s\n",sd.Info[i]); + } + } + } } - pc.printf("file opened for read\r\n"); - char buf[64]; - while (fgets(buf, sizeof(buf), fp) != NULL) //读入一行的C函数 - { - pc.printf("%s", buf); - } - fclose(fp); //关闭文件,释放资源 - - //pc.printf("card type is 0x%x\r\n" , sd.card_type()); - - return 0; - - - lcd.printf("Hello World!"); - wait_ms(1000); //等待1秒 - lcd.cls(); //清屏 - - for(int i=0; i<10000; i+=4){ - lcd.locate(0,0); //分别控制起始的列和行,从0开始 - lcd.printf("%d", i); - wait_ms(1000); //等待1秒 - - lcd.locate(0,1); - lcd.printf("%d", i+1); - wait_ms(1000); - - lcd.locate(0,2); - lcd.printf("%d", i+2); - wait_ms(1000); - - lcd.locate(0,3); - lcd.printf("%d", i+3); - wait_ms(1000); - - lcd.cls(); //清屏 - } - - - -} +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stepper_moter.lib Tue May 08 01:50:44 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/brainliang/code/stepper_moter/#ab0f997c2d9c