Manuel Sanchez / Mbed 2 deprecated KL25_Funciona_SD

Reading Analog Ports and Saving in a micro SD CARD with the KL25z

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by Neil Thiessen

main.cpp@26:50363a135213, 2017-08-10 (annotated)

Committer:
manuelmbed86
Date:
Thu Aug 10 18:08:02 2017 +0000
Revision:
26:50363a135213
Parent:
20:ec1c4f02d50e 
Reading Analog Ports and Saving in a micro SD CARD with the KL25z

Who changed what in which revision?

UserRevisionLine numberNew contents of line
neilt6 0:8f2b6eed2a9d 1 #include "mbed.h"
neilt6 0:8f2b6eed2a9d 2 #include "SDFileSystem.h"
manuelmbed86 26:50363a135213 3 #include "math.h"
manuelmbed86 26:50363a135213 4
manuelmbed86 26:50363a135213 5 // sd card breakout board: https://www.sparkfun.com/products/544
manuelmbed86 26:50363a135213 6 //
manuelmbed86 26:50363a135213 7 // frdm-kl25z sd card connections spi0
manuelmbed86 26:50363a135213 8 // ------------------------------------------------
manuelmbed86 26:50363a135213 9 // Header -- kl25z -- SPI
manuelmbed86 26:50363a135213 10 // J2-8 -- PTD2 -- MOSI
manuelmbed86 26:50363a135213 11 // J2-6 -- PTD0 -- CS
manuelmbed86 26:50363a135213 12 // J9-12 -- GND -- Vss (GND)
manuelmbed86 26:50363a135213 13 // J9-4 -- P3V3 -- Vdd (+3.3v)
manuelmbed86 26:50363a135213 14 // J2-12 -- PTD1 -- SCK
manuelmbed86 26:50363a135213 15 // J9-14 -- GND -- Vss (GND)
manuelmbed86 26:50363a135213 16 // J2-10 -- PTD3 -- MISO
manuelmbed86 26:50363a135213 17 AnalogIn ain(A0);
manuelmbed86 26:50363a135213 18 AnalogIn ain2(A1);
manuelmbed86 26:50363a135213 19 AnalogIn ain3(A2);
manuelmbed86 26:50363a135213 20 char buffer[3];
manuelmbed86 26:50363a135213 21 int t1;
manuelmbed86 26:50363a135213 22 float a;
manuelmbed86 26:50363a135213 23 float b;
manuelmbed86 26:50363a135213 24 float c;
manuelmbed86 26:50363a135213 25 SDFileSystem sd(PTD2, PTD3, PTD1, PTD0, "sd"); // mosi, miso, sck, cs
manuelmbed86 26:50363a135213 26 Serial pc(USBTX,USBRX);
manuelmbed86 26:50363a135213 27
manuelmbed86 26:50363a135213 28 int main() {
manuelmbed86 26:50363a135213 29
manuelmbed86 26:50363a135213 30 pc.baud(115200);
manuelmbed86 26:50363a135213 31 pc.printf("start sd card !\r\n");
manuelmbed86 26:50363a135213 32 mkdir("/sd/POF", 0777);
manuelmbed86 26:50363a135213 33
manuelmbed86 26:50363a135213 34 FILE *fp = fopen("/sd/POF/test.txt", "w");
manuelmbed86 26:50363a135213 35 if(fp == NULL) {
manuelmbed86 26:50363a135213 36 error("Could not open file for write\r\n");
neilt6 10:ae649a596123 37 }
manuelmbed86 26:50363a135213 38 else
manuelmbed86 26:50363a135213 39 while (1){
manuelmbed86 26:50363a135213 40 a=ain.read();
manuelmbed86 26:50363a135213 41 b=ain2.read();
manuelmbed86 26:50363a135213 42 c=ain3.read();
manuelmbed86 26:50363a135213 43 wait(0.0050);
manuelmbed86 26:50363a135213 44 fprintf(fp,"%0.3f, %0.3f,%0.3f\n",a, b,c );
neilt6 0:8f2b6eed2a9d 45 }
manuelmbed86 26:50363a135213 46
manuelmbed86 26:50363a135213 47 fclose(fp);
manuelmbed86 26:50363a135213 48
manuelmbed86 26:50363a135213 49 }