main.cpp

00001 /***    受信したデータをSDに保存して確認するプログラム    */
00002 
00003 #include "mbed.h"
00004 #include "IM920.h"
00005 #include "SDFileSystem.h"
00006 
00007 // Pin used by SD card 
00008 SDFileSystem sd(p5, p6, p7, p8, "sd"); 
00009 
00010 // Pin used by IM920 & UART
00011 Serial pc(USBTX, USBRX);
00012 IM920 im920(p28, p27, p29, p30);
00013 
00014 //Digital I/O Pin
00015 DigitalOut myled1(LED1);
00016 DigitalOut myled2(LED2);
00017 AnalogIn inpt(p20);
00018 
00019 //Prottype define
00020 void SD(int num, double btry);
00021 void callback(void);
00022 
00023 //Define maclo
00024 char BUF[65];
00025 
00026 int main() {
00027     float btry_lg = 0;
00028     int nmbr_lg = 0;
00029     
00030     FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "w");
00031     if(fp_csv == NULL) {
00032         error("Could not open file for write\n");
00033     }
00034     fprintf(fp_csv, "baterry,number\n");
00035     fclose(fp_csv); 
00036     
00037     
00038 //    FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
00039 //    if(fp_txt == NULL) {
00040 //        error("Could not open file for write\n");
00041 //    }
00042 //    fclose(fp_txt); 
00043       
00044     while(1){
00045         // test the voltage on the initialized analog pin
00046         //  and if greater than 0.3 * VCC set the digital pin
00047         //  to a logic 1 otherwise a logic 0
00048         btry_lg = inpt.read()*3.3;
00049         
00050         //if(ain > 0.3f) {
00051             
00052         //} else {
00053             
00054         //}
00055         
00056         // print the percentage and 16 bit normalized values
00057         //printf("percentage: %3.3f%%\n", ain.read()*100.0f);
00058         //printf("normalized: 0x%04X \n", ain.read_u16());
00059         //wait(0.2f);
00060         
00061         
00062         
00063         nmbr_lg++;
00064         SD(nmbr_lg, btry_lg);
00065           
00066         //wait(0.1);
00067     }
00068 }
00069 
00070 void SD(int num, double btry){
00071     myled1 = 1;
00072     
00073     //printf("Hello World!\n");   
00074  
00075     mkdir("/sd/mydir", 0777);
00076     
00077     FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "a");
00078     if(fp_csv == NULL) {
00079         error("Could not open file for write\n");
00080     }
00081     
00082     fprintf(fp_csv, "%d,%f\n",num, btry);
00083     
00084     fclose(fp_csv); 
00085     
00086     /***    txtファイルバージョン    ***/
00087     
00088 //    FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
00089 //    if(fp_txt == NULL) {
00090 //        error("Could not open file for write\n");
00091 //    }
00092 //    fprintf(fp_txt, "Hello fun SD Card World!\n");
00093 //    fprintf(fp_txt, "Hello fun SD Card World!\n");
00094 //    fprintf(fp_txt, "%f,%f\n", btry, (float)num);
00095 //    
00096 //    fclose(fp_txt); 
00097     
00098     
00099     printf("Goodbye World!\n");
00100     myled1 = 0;
00101 }
00102 
00103 void callback(void){
00104     int i;
00105     char buf[65];
00106 
00107     i = im920.recv(buf, 64);
00108     buf[i] = 0;
00109     printf("recv: '%s' (%d)\r\n", buf, i);
00110 }
00111 
00112 void IM920_read(void){
00113     int i = 0;
00114 
00115     //pc.baud(115200);
00116     pc.band(19200);
00117     pc.printf("*** IM920\r\n");
00118     im920.init();
00119     im920.attach(callback);
00120     myled2 = 1;
00121 
00122     im920.poll();
00123     if (pc.readable()) {
00124         char c = pc.getc();
00125         
00126         if (c == '\r') {
00127             BUF[i] = 0;
00128             printf("send: %s\r\n", BUF);
00129             im920.send(BUF, i);
00130         }
00131         else{
00132             for (i = 0; i < 64; i++) {
00133                 BUF[i] = c;
00134             }    
00135     }    
00136 }