CORE / Mbed 2 deprecated 201803_100Hz_bin_read

201803大島VASEの100Hz保存の加速度ジャイロデータテキストファイルに出力するプログラム

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by mbed official

Files at this revision

API Documentation at this revision

Revision 2:a44adae14658, committed 2018-03-10

Comitter:
oichan
Date:
Sat Mar 10 05:26:06 2018 +0000
Parent:
1:e4d7342be507
Child:
3:b7f9b01dde7a
Commit message:
201803??VASE100Hz????????????????????????

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Tue May 16 05:18:55 2017 +0000
+++ b/main.cpp	Sat Mar 10 05:26:06 2018 +0000
@@ -3,17 +3,26 @@
  
 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
  
-int main() {
-    printf("Hello World!\n");   
- 
-    mkdir("/sd/mydir", 0777);
+int main(){
+    float Data[7] = {0};
+    printf("Hello!\r\n");
+
+    /*  ファイルオープン    */
+    FILE *bp = fopen("/sd/mydir/data.bin","rb");
+    FILE *fp = fopen("/sd/mydir/data.txt","w");
+
+    fprintf(fp,"time,acc[x],acc[y],acc[z],gyr[x],gyr[y],gyr[z]\n");
     
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\n");
+    /*  読み出したデータが0個でなければテキストファイルに書き込み   */
+    while(fread(&Data,sizeof(float),7,bp) != 0){
+        printf("please wait\r");    //時間がかかったとき用
+        fprintf(fp,"%f,%f,%f,%f,%f,%f,%f\n",Data[0],Data[1],Data[2],Data[3],Data[4],Data[5],Data[6]);
     }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
- 
-    printf("Goodbye World!\n");
-}
+
+    /*  ファイルクローズ    */
+    fclose(bp);
+    fclose(fp);
+
+    printf("\nBye\r\n");
+    return 0;
+}
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