Revision 0:f433ff34d66b, committed 2015-06-11

Comitter:

TBSliver

Date:

Thu Jun 11 13:49:01 2015 +0000

Commit message:

Initial no idea whats here commit

Changed in this revision

diff -r 000000000000 -r f433ff34d66b FatFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FatFileSystem.lib	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/TBSliver/code/FatFileSystem/#e4324838bc6f

diff -r 000000000000 -r f433ff34d66b SDFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/SomeRandomBloke/code/SDFileSystem/#9c5f0c655284

diff -r 000000000000 -r f433ff34d66b fileSys.cpp

diff -r 000000000000 -r f433ff34d66b fileSys.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fileSys.h	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,16 @@
+#ifndef FILESYS_H
+#define FILESYS_H
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <string>
+
+class FileSys {
+
+public:
+
+private:
+
+};
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r f433ff34d66b ledSign.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ledSign.cpp	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,134 @@
+#include "ledSign.h"
+
+// Sign Output Pins
+
+BusOut address(p17, p18, p19, p20); // Address 0 to 16
+BusOut colour(p15, p16);            // 0 = off, 1 = red, 2 = green, 3 = orange
+
+DigitalOut abTop(p14);              // bank A or B switch for Top Row - 0 = A, 1 = B
+DigitalOut clkTop(p13);             // clock for Top Row
+DigitalOut weTop(p28);              // Write Enable for Top Row
+DigitalOut aeTop(p27);              // Address Enable for Top Row
+DigitalOut enbTop(p26);             // Enable for Top Row
+
+DigitalOut abBot(p25);              // bank A or B switch for Bottom Row - 0 = A, 1 = B
+DigitalOut clkBot(p24);             // clock for Bottom Row
+DigitalOut weBot(p23);              // Write Enable for Bottom Row
+DigitalOut aeBot(p22);              // Address Enable for Bottom Row
+DigitalOut enbBot(p21);             // Enable for Bottom Row
+
+LedSign::LedSign() {
+    address = 0;
+    colour = 0;
+    abTop = 0;
+    clkTop = 0;
+    weTop = 0;
+    aeTop = 0;
+    enbTop = 0;
+    abBot = 0;
+    clkBot = 0;
+    weBot = 0;
+    aeBot = 0;
+    enbBot = 0;
+}
+
+void LedSign::enable() {
+    enbTop = 1;
+    enbBot = 1;
+}
+
+void LedSign::disable() {
+    enbTop = 0;
+    enbBot = 0;
+}
+
+void LedSign::swapBank() {
+    (abTop) ? abTop = 0 : abTop = 1;
+    (abBot) ? abBot = 0 : abBot = 1;
+}
+
+void LedSign::writeRow(int * pointer, int wRow) {
+    if(wRow <= 15) {
+        for(int col = 0; col < 128; col++) {
+            colour = *(pointer + col);
+            clockTop();
+        }
+        
+        writeTop(wRow);
+    }
+    if(wRow >= 16) {
+        for(int col = 0; col < 128; col++) {
+            colour = *(pointer + col);
+            clockBot();
+        }
+        
+        writeBot(wRow - 16);
+    }
+}
+
+void LedSign::writeScreenColour(int newColour) {
+    colour = newColour; //set colour to write to screen
+    for (int i=0; i<128; i++) { // clock in 128 bits to turn all the LED's on
+        clockIn();
+    }
+
+    for (int i=0; i<16; i++) { //actually write them for all lines
+        writeTop(i);
+        writeBot(i);
+    }
+
+    swapBank();
+
+}
+
+//********************Private Declerations********************
+
+void LedSign::writeTop(int topAddress) {
+    address = topAddress;
+    aeTop = 1;
+    wait_us(1);
+    weTop = 1;
+    wait_us(1);
+    weTop = 0;
+    wait_us(1);
+    aeTop = 0;
+    wait_us(1);
+}
+
+void LedSign::writeBot(int botAddress) {
+    address = botAddress;
+    aeBot = 1;
+    wait_us(1);
+    weBot = 1;
+    wait_us(1);
+    weBot = 0;
+    wait_us(1);
+    aeBot = 0;
+    wait_us(1);
+}
+
+void LedSign::clockTop() {
+    wait_us(1);
+    clkTop = 1;
+    wait_us(1);
+    clkTop = 0;
+    wait_us(1);
+}
+
+void LedSign::clockBot() {
+    wait_us(1);
+    clkBot = 1;
+    wait_us(1);
+    clkBot = 0;
+    wait_us(1);
+}
+
+void LedSign::clockIn() {
+    wait_us(1);
+    clkTop = 1;
+    clkBot = 1;
+    wait_us(1);
+    clkTop = 0;
+    clkBot = 0;
+    wait_us(1);
+}
\ No newline at end of file

diff -r 000000000000 -r f433ff34d66b ledSign.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ledSign.h	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,46 @@
+/*
+ledSign.h
+
+Header file for all LED sign processes for control
+
+*/
+
+#ifndef LEDSIGN_H
+#define LEDSIGN_H
+
+#include "mbed.h"
+
+class LedSign {
+
+public:
+
+//Constructor - initialise all pins to 0
+LedSign();
+
+void enable();
+void disable();
+
+//Swaps the display buffers
+void swapBank();
+
+//writes a colour to the whole screen
+void writeScreenColour(int newColour);
+
+//write a row of LED's to the back buffer
+void writeRow(int * pointer, int wRow);
+
+private:
+
+//Write the top and bottom buffer lines to memory
+void writeTop(int topAddress);
+void writeBot(int botAddress);
+
+//clock data into top and bottom banks
+void clockTop();
+void clockBot();
+void clockIn();
+
+};
+
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r f433ff34d66b main.cpp
--- /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

diff -r 000000000000 -r f433ff34d66b mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/737756e0b479
\ No newline at end of file

diff -r 000000000000 -r f433ff34d66b txtFile.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/txtFile.cpp	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,71 @@
+#include "txtFile.h"
+
+/**
+* Constructor when called opens a file
+*
+* @param fileAddr
+*               the address of the file, either local, sd or whatever
+* @param readWrite
+*               whether reading or writing to the file
+*/
+TxtFile::TxtFile(char fileAddr[], char *readWrite) {
+
+
+    if ((fp = fopen(fileAddr, readWrite)) == NULL) {
+        isFileOpen = false;
+    } else {
+        isFileOpen = true;
+    }
+}
+
+/**
+* Destructor when called closes the open file
+*/
+TxtFile::~TxtFile() {
+    closeFile();
+}
+
+/**
+* Returns true if the file is open
+*
+* @returns isFileOpen
+*/
+bool TxtFile::isOpen() {
+    return isFileOpen;
+}
+
+/**
+* Checks if the file is open, and closes it if it is
+*
+* @returns isClosed
+*               returns true if a file was closed, false if not
+*/
+bool TxtFile::closeFile() {
+    if (isOpen()) {
+        fclose(fp);
+        return true;
+    } else
+        return false;
+}
+
+int TxtFile::frameTime(int frame) { //a frame is 5 digits of timer, 128x32 bytes of data, with 33 line ends
+    fseek(fp, (frame * 4167), SEEK_SET);
+    char numberIn[5];
+    for (int i=0;i<5;i++)
+    {
+        numberIn[i] = fgetc(fp);
+    }
+    return atoi(numberIn);
+}
+
+int TxtFile::totalFrames() {
+    fseek(fp, 0, SEEK_END); // seek to end of file
+    int size = ftell(fp);       // get current file pointer
+    fseek(fp, 0, SEEK_SET); // seek back to beginning of file
+    return (size + 2)/4167;
+}
+
+char TxtFile::getChar(int seek) {
+    fseek(fp, seek, SEEK_SET);
+    return fgetc(fp);
+}
\ No newline at end of file

diff -r 000000000000 -r f433ff34d66b txtFile.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/txtFile.h	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,34 @@
+#ifndef TXTFILE_H
+#define TXTFILE_H
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <string>
+#include <stdio.h>
+#include <stdlib.h>
+
+class TxtFile {
+
+public:
+    //constructor and deconstructor
+    TxtFile(char fileAddr[], char *readWrite);
+    ~TxtFile();
+    
+    //returns whether a file is open or not
+    bool isOpen();                  //done
+    
+    //closes the file and returns true if successful
+    bool closeFile();
+    
+    int frameTime(int frame);
+    int totalFrames();
+    char getChar(int seek);
+    
+private:
+
+    FILE *fp;
+    bool isFileOpen;                //value representing if the file is open or not
+
+};
+
+#endif
\ No newline at end of file