Revision 2:ac793e1667ec, committed 2017-12-24

Comitter:

oichan

Date:

Sun Dec 24 10:47:14 2017 +0000

Parent:

1:e4d7342be507

Commit message:

SD 100Hz for LPC1768

Changed in this revision

diff -r e4d7342be507 -r ac793e1667ec MPU6050.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPU6050.lib	Sun Dec 24 10:47:14 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Sissors/code/MPU6050/#5c63e20c50f3

diff -r e4d7342be507 -r ac793e1667ec main.cpp
--- a/main.cpp	Tue May 16 05:18:55 2017 +0000
+++ b/main.cpp	Sun Dec 24 10:47:14 2017 +0000
@@ -1,19 +1,44 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
- 
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
- 
-int main() {
-    printf("Hello World!\n");   
- 
+#include "MPU6050.h"
+
+#define RATE        100    //サンプリングレート[Hz]
+#define SAVE_NUM    100     //一度に保存するデータ数   SAVE_NUM/RATE [s]ごとに保存する
+
+SDFileSystem    sd(p11, p12, p13, p14, "sd");
+MPU6050         mpu(p9,p10);
+Timer           jikan;
+Ticker          get_t;
+Serial          pc(USBTX,USBRX);
+FILE            *bp;
+
+void _getData();
+
+float   Data[2][SAVE_NUM][4]={0};
+int     Data_cnt = 0;
+bool    row;
+
+int main(){
+    pc.printf("Hello!\r\n");
     mkdir("/sd/mydir", 0777);
-    
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\n");
+    bp = fopen("/sd/mydir/data.bin","ab");  //ファイルは作成は時間がかかるため先にやる
+    fclose(bp);
+    jikan.start();
+    get_t.attach(&_getData,1.0/RATE);
+    while(1){
+        if(Data_cnt==SAVE_NUM){
+            Data_cnt=0;
+            row = !row;
+            bp = fopen("/sd/mydir/data.bin","ab");
+            fwrite(&Data[!row][0][0],sizeof(float),4*SAVE_NUM,bp);
+            fclose(bp);
+        }
     }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
- 
-    printf("Goodbye World!\n");
+    return 0;
 }
+
+void _getData(){
+    Data[row][Data_cnt][0] = jikan.read();
+    mpu.getAccelero(&Data[row][Data_cnt][1]);
+    Data_cnt++;
+}
\ No newline at end of file