Diff: main.cpp

Revision:

0:89c1b4e9bfec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 30 05:05:46 2017 +0000
@@ -0,0 +1,136 @@
+/***    受信したデータをSDに保存して確認するプログラム    */
+
+#include "mbed.h"
+#include "IM920.h"
+#include "SDFileSystem.h"
+
+// Pin used by SD card 
+SDFileSystem sd(p5, p6, p7, p8, "sd"); 
+
+// Pin used by IM920 & UART
+Serial pc(USBTX, USBRX);
+IM920 im920(p28, p27, p29, p30);
+
+//Digital I/O Pin
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+AnalogIn inpt(p20);
+
+//Prottype define
+void SD(int num, double btry);
+void callback(void);
+
+//Define maclo
+char BUF[65];
+
+int main() {
+    float btry_lg = 0;
+    int nmbr_lg = 0;
+    
+    FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "w");
+    if(fp_csv == NULL) {
+        error("Could not open file for write\n");
+    }
+    fprintf(fp_csv, "baterry,number\n");
+    fclose(fp_csv); 
+    
+    
+//    FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
+//    if(fp_txt == NULL) {
+//        error("Could not open file for write\n");
+//    }
+//    fclose(fp_txt); 
+      
+    while(1){
+        // test the voltage on the initialized analog pin
+        //  and if greater than 0.3 * VCC set the digital pin
+        //  to a logic 1 otherwise a logic 0
+        btry_lg = inpt.read()*3.3;
+        
+        //if(ain > 0.3f) {
+            
+        //} else {
+            
+        //}
+        
+        // print the percentage and 16 bit normalized values
+        //printf("percentage: %3.3f%%\n", ain.read()*100.0f);
+        //printf("normalized: 0x%04X \n", ain.read_u16());
+        //wait(0.2f);
+        
+        
+        
+        nmbr_lg++;
+        SD(nmbr_lg, btry_lg);
+          
+        //wait(0.1);
+    }
+}
+
+void SD(int num, double btry){
+    myled1 = 1;
+    
+    //printf("Hello World!\n");   
+ 
+    mkdir("/sd/mydir", 0777);
+    
+    FILE *fp_csv = fopen("/sd/mydir/sdtest.csv", "a");
+    if(fp_csv == NULL) {
+        error("Could not open file for write\n");
+    }
+    
+    fprintf(fp_csv, "%d,%f\n",num, btry);
+    
+    fclose(fp_csv); 
+    
+    /***    txtファイルバージョン    ***/
+    
+//    FILE *fp_txt = fopen("/sd/mydir/sdtest.txt", "a");
+//    if(fp_txt == NULL) {
+//        error("Could not open file for write\n");
+//    }
+//    fprintf(fp_txt, "Hello fun SD Card World!\n");
+//    fprintf(fp_txt, "Hello fun SD Card World!\n");
+//    fprintf(fp_txt, "%f,%f\n", btry, (float)num);
+//    
+//    fclose(fp_txt); 
+    
+    
+    printf("Goodbye World!\n");
+    myled1 = 0;
+}
+
+void callback(void){
+    int i;
+    char buf[65];
+
+    i = im920.recv(buf, 64);
+    buf[i] = 0;
+    printf("recv: '%s' (%d)\r\n", buf, i);
+}
+
+void IM920_read(void){
+    int i = 0;
+
+    //pc.baud(115200);
+    pc.band(19200);
+    pc.printf("*** IM920\r\n");
+    im920.init();
+    im920.attach(callback);
+    myled2 = 1;
+
+    im920.poll();
+    if (pc.readable()) {
+        char c = pc.getc();
+        
+        if (c == '\r') {
+            BUF[i] = 0;
+            printf("send: %s\r\n", BUF);
+            im920.send(BUF, i);
+        }
+        else{
+            for (i = 0; i < 64; i++) {
+                BUF[i] = c;
+            }    
+    }    
+}
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