Diff: main.cpp

Revision:

0:09c855ba2df2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Sep 20 20:40:15 2017 +0000
@@ -0,0 +1,55 @@
+// SDFileSystem---1. https://developer.mbed.org/users/mbed_official/code/SDFileSystem/
+//                2. https://developer.mbed.org/users/simon/code/SDCardTest/
+// VCC:3.3v
+#include "mbed.h"
+#include "SDFileSystem.h"
+ 
+//SDFileSystem sd(PA_7, PA_6, PA_5, PB_6, "sd"); //  mosi, miso, sclk, cs
+//SPI spi(SPI_MOSI, SPI_MISO, SPI_SCK);
+//SPI_MOSI = PA_7, SPI_MISO = PA_6, SPI_SCK = PA_5, SPI_CS = PB_6,
+SDFileSystem sd( D4, D5, D3, D6, "sd"); //  mosi, miso, sclk, cs
+
+int main() 
+{
+    printf("Hello World!\n");   
+    
+    mkdir("/sd/Amber", 0777);  //SD裡面的資料夾叫Amber,在此做宣告
+    FILE *fp = fopen("/sd/Amber/Amber77.txt", "w");       //將檔案存進SD的資料夾Amber裡面,並取名為Amber77.txt
+ 
+    /*mkdir("/sd/mydir", 0777);  //SD裡面的資料夾叫mydir,在此做宣告
+    FILE *fp = fopen("/sd/mydir/Amber77.txt", "w");*/       //將檔案存進SD的資料夾mydir裡面,並取名為sdtest.txt
+    
+    /*
+    mkdir("/sd/Amber20170222", 0777);  //SD裡面的資料夾叫Amber77,在此做宣告
+    FILE *fp = fopen("/sd/Amber20170222/AngVel_PWM20170222a.csv", "a");     
+    //將檔案存進SD的資料夾Amber77裡面,並取名為PWM_AngVel_PWM.xls/.xlsx/.csv
+    fprintf(fp,"RunTime,Now_angularVelocity,control_PWM_Value\n");
+    
+    if(fp == NULL) 
+            {
+                    error("Could not open file for write\n");
+            }
+            fprintf(fp,"%.3f,%.3f,%.3f\n", RunTime,Now_angularVelocity,control_PWM_Value);  
+            
+    if(!mybutton)
+        {
+            StopRun.write(1);
+            CW_CCW.write(1);                   // clockwise:0    counterclockwise:1
+            PWM.write(0);
+            break;
+        }
+    }
+    fclose(fp);
+    
+    */
+    
+    
+    if(fp == NULL) 
+    {
+        error("Could not open file for write\n");
+    }
+    fprintf(fp, "Go to the file ");             //檔案如sdtest.txt裡面的資料內容
+    fclose(fp); 
+ 
+    printf("Goodbye World!\n");
+}
\ No newline at end of file