Diff: main.cpp

Revision:

0:f433ff34d66b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,152 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <string>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "ledSign.h"
+#include "txtFile.h"
+
+int frameLength = 4167;
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+LedSign sign;
+
+Timer timer;
+
+//displaying stuff and variables needed
+void displayLed(char ledFile[]);
+bool ledParsed = false;
+int noFrames = 0;
+int curFrame = 0;
+int frameTime = 0;
+void writeFrame(int frame);
+
+
+//int testRow[128] = {1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2};
+
+int readRow[128];
+//char buffer[300];
+
+string rootDir[10];
+
+void readDir();
+
+int curFile;
+
+void buttonCheck();
+
+DigitalIn buttonUp(p9);
+DigitalIn buttonDown(p10);
+
+int buttonCount = 0;
+
+//DigitalOut myled1(LED1);
+//DigitalOut myled2(LED2);
+
+int main() {
+    sign.enable();
+    readDir();
+    
+    /*for(int i = 0; i < 10 ; i++) {
+    printf("%s\n", rootDir[i]);
+    }*/
+    
+    curFile = 0;
+    
+    while(true) {
+    //myled1 = !myled1;
+    char toShow[20];
+    sprintf(toShow,"/sd/%s", rootDir[curFile]);
+    displayLed(toShow);
+    buttonCheck();
+    } 
+}
+
+void displayLed(char ledFile[]) {
+    TxtFile file(ledFile, "r");
+    if(file.isOpen()) {
+    
+        if(!ledParsed) {
+            noFrames = file.totalFrames();
+            curFrame = 0;
+            ledParsed = true;
+        }
+        
+        if(timer.read_ms() >= frameTime) {
+        //myled2 = !myled2;
+        timer.stop();
+        timer.reset();
+        if(curFrame == 0) {
+            frameTime = file.frameTime(curFrame);
+            for(int i=0;i<32;i++) {
+                for(int j=0;j<128;j++) {
+                    int pointing = (curFrame * frameLength) + 7 + (i * 130) + j;
+                    readRow[j] = file.getChar(pointing) - '0';
+                }
+                sign.writeRow(readRow, i);
+            }
+            sign.swapBank();
+            curFrame++;
+            timer.start();
+        } else {
+            frameTime = file.frameTime(curFrame);
+            for(int i=0;i<32;i++) {
+                for(int j=0;j<128;j++) {
+                    int pointing = (curFrame * frameLength) + 7 + (i * 130) + j;
+                    readRow[j] = file.getChar(pointing) - '0';
+                }
+                sign.writeRow(readRow, i);
+            }
+            sign.swapBank();
+            curFrame++;
+            timer.start();
+        }
+        
+        if(curFrame == noFrames) {
+            curFrame = 0;
+        }
+        
+        }
+        
+        
+    }
+}
+
+void readDir() {
+    DIR *d;
+    struct dirent *p;
+
+    d = opendir("/sd");
+    if (d != NULL) {
+        int i = 0;
+        while ((p = readdir(d)) != NULL) {
+            rootDir[i] = p->d_name;
+            //printf(" - %s\n", p->d_name);
+            i++;
+        }
+    } else {
+        //printf("Could not open directory!\n");
+    }
+    closedir(d);
+}
+
+void buttonCheck() {
+    if(buttonUp && (buttonCount == 0)) {
+        curFile++;
+        ledParsed = false;
+        buttonCount = 10;
+    }
+    if(buttonDown && (buttonCount == 0)) {
+        curFile--;
+        ledParsed = false;
+        buttonCount = 10;
+    }
+    if(curFile>9)
+        curFile = 0;
+    else if(curFile<0)
+        curFile = 9;
+    
+    if(buttonCount != 0)
+        buttonCount--;
+}
\ No newline at end of file