Mohsen Samadani / Mbed 2 deprecated Algorithm-testing

Code for measuring the signal with a specified length and sampling rate, and saving it on a SD card.

Dependencies:   EALib I2S mbed

sdcard.cpp@2:8c5b6522139f, 2017-10-05 (annotated)

Committer:
msamadani
Date:
Thu Oct 05 17:44:39 2017 +0000
Revision:
2:8c5b6522139f
Parent:
0:c05b00be2229 
A version of the code that initializes the SD RAM, activates the codec, measures the signal and saves the signal onto the SD Card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
msamadani 0:c05b00be2229 1 #include "sdcard.h"
msamadani 0:c05b00be2229 2 #include "MCIFileSystem.h"
msamadani 0:c05b00be2229 3 #include "mbed.h"
msamadani 0:c05b00be2229 4 #include <string>
msamadani 0:c05b00be2229 5
msamadani 0:c05b00be2229 6
msamadani 0:c05b00be2229 7 void saveToSD(float signal[],int sig_length,char const *filename)
msamadani 0:c05b00be2229 8 {
msamadani 0:c05b00be2229 9
msamadani 0:c05b00be2229 10 printf("Saving to SD card...\n");
msamadani 0:c05b00be2229 11
msamadani 0:c05b00be2229 12 string str_name(filename);
msamadani 0:c05b00be2229 13
msamadani 0:c05b00be2229 14 std::string fullname="/mci/"+str_name+".txt";
msamadani 0:c05b00be2229 15
msamadani 0:c05b00be2229 16 MCIFileSystem mcifs("mci", NC);
msamadani 0:c05b00be2229 17 FILE* File = fopen(fullname.c_str(),"w"); // open file
msamadani 0:c05b00be2229 18
msamadani 0:c05b00be2229 19 for (int i = 0; i < sig_length; i++) {
msamadani 0:c05b00be2229 20
msamadani 0:c05b00be2229 21 //fprintf(File,"%f %f %f %f\r\n",acc_signal_f[i],xfilt[i],xAnalytic[i],xEnv[i]);
msamadani 0:c05b00be2229 22 fprintf(File,"%f \r\n",signal[i]);
msamadani 0:c05b00be2229 23 }
msamadani 0:c05b00be2229 24
msamadani 0:c05b00be2229 25 fclose(File);
msamadani 0:c05b00be2229 26 printf("Saved to SD card.\n\n");
msamadani 0:c05b00be2229 27
msamadani 0:c05b00be2229 28 }