Tom Bloor
More HACMan stuff again
Dependencies: FatFileSystem SDFileSystem mbed
Revision 0:ddc821040077, committed 2015-06-11
- Comitter:
- TBSliver
- Date:
- Thu Jun 11 13:50:10 2015 +0000
- Commit message:
- Initial no idea whats here commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FATFileSystem.lib Thu Jun 11 13:50:10 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_unsupported/code/FatFileSystem/#333d6e93e58f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Thu Jun 11 13:50:10 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/TBSliver/code/SDFileSystem/#e4c66f393f73
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ledSign.cpp Thu Jun 11 13:50:10 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ledSign.h Thu Jun 11 13:50:10 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Jun 11 13:50:10 2015 +0000
@@ -0,0 +1,72 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <string>
+
+#include "ledSign.h"
+#include "txtFile.h"
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+
+
+//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 frameTotal = "FrameTotal=";
+
+int main() {
+ //LedSign sign;
+ //sign.enable();
+
+ TxtFile file("/sd/main.txt", "r");
+
+ file.seekPos(28);
+
+ printf("%d\n\r", file.lineLength());
+
+
+
+
+
+
+
+ /*
+ //fseek(fp, 37, SEEK_SET); //SEEK_SET to go from start of file, SEEK_END to go from end of file, SEEK_CUR to go form current place
+
+ FILE *fp = fopen("/sd/main.txt","r");
+
+ long int totalFrames = 5;
+
+ char *pointing;// = &buffer[12];
+
+ fgets(buffer, 300, fp);
+ printf(buffer);
+ printf("\n\r");
+ printf("%d",strlen(buffer));
+ printf("\n\r");
+ if (frameTotal.compare(buffer)) {
+ printf("WAHOO\n\r");
+ fseek(fp, 0, SEEK_SET);
+ fgets(buffer, 300, fp);
+ printf("\n\r");
+ printf("%d",strlen(buffer));
+ printf("\n\r");
+ printf(buffer);
+ fseek(fp, 11, SEEK_SET);
+ fgets(buffer, 300, fp);
+ printf("\n\r");
+ printf("%d",strlen(buffer));
+ printf("\n\r");
+ printf(buffer);
+ printf("\n\r");
+ totalFrames = strtol(buffer,&pointing,10);
+ printf("%d",totalFrames);
+ printf("\n\r");
+ }
+ printf(buffer);*/
+
+
+
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Jun 11 13:50:10 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/b4b9f287a47e \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/txtFile.cpp Thu Jun 11 13:50:10 2015 +0000
@@ -0,0 +1,189 @@
+#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, bool doParseFile) {
+
+ isFileOpen = false;
+ isFileParsed = false;
+ currentFilePos = 0;
+
+ if ((fp = fopen(fileAddr, readWrite)) == NULL) {
+ isFileOpen = false;
+ } else {
+ isFileOpen = true;
+ }
+
+ if(doParseFile) {
+ parseFile();
+ isFileParsed = 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;
+}
+
+/**
+* Returns true if file has been parsed
+*
+* @returns isFileParsed
+*/
+bool TxtFile::isParsed() {
+ return isFileParsed;
+}
+
+/**
+* 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;
+}
+
+/**
+* Counts the number of lines, and sets line start positions
+*/
+void TxtFile::parseFile() {
+ int c = 0; //current character
+ int cPrev = 0; //previous character
+ int lengthCount = 0; //local length counter
+ int lineCount = 0; //local line counter
+ int curPos = 0; //current position in file
+
+ if (!isFileParsed) { //check to see if not already done
+ seekPos(0); //seek to beginning of file
+
+ c = fgetc(fp); //get first character
+ fileLineStart[lineCount] = curPos; //first line ALWAYS starts at zero... so far anyway
+
+ while (c != EOF) { //while not at the end of the file
+ if ((c != '\n') && (c != '\r')) { //if not a newline or carriage return
+ lengthCount++; //increment length counter
+ }
+
+ if (((c == '\n') && (cPrev == '\r')) || ((c == '\r') && (cPrev == '\n'))) { //if a newline (\r\n or \n\r)
+ fileLineLength[lineCount] = lengthCount; //set fileLineLength for current line to lengthCount
+ lineCount++; //increment line counter
+ lengthCount = 0; //reset lengthCount
+ fileLineStart[lineCount] = curPos + 1; //set file line start to next position - may not need the +1?
+ }
+ curPos++;
+ cPrev = c;
+ c = getc(fp);
+ }
+
+ noLines = lineCount;
+
+ isFileParsed = true;
+ seekPos(0); //seek back to the beginning of the file
+ }
+}
+
+/**
+* Returns the number of lines in the file
+*
+* @returns noLines
+*/
+int TxtFile::lineCount() (
+ return noLines;
+}
+
+/**
+* Seeks to the position in the current opened file
+*
+* @params seekLoc
+* byte location to seek to
+*/
+void TxtFile::seekPos(int seekLoc) {
+ fseek(fp, seekLoc, SEEK_SET);
+ currentFilePos = seekLoc;
+}
+
+int TxtFile::getPos() {
+ return currentFilePos;
+}
+
+int TxtFile::seekLineStart() {
+ int backCount = 0;
+ int c = 0;
+
+ c = fgetc(fp); //get character at current position
+
+ while ((c != '\n') && (c != '\r')) { //check if character is a newline or carriage return
+ backCount++; //increment backCount
+ fseek(fp, -2, SEEK_CUR); //seek back 2, 1 for the fgetc, 1 more to actually go back one
+ c = fgetc(fp); //get a new character
+ }
+ currentFilePos -= backCount;
+ return backCount;
+}
+
+int TxtFile::seekLineEnd() {
+ int count = 0;
+ int c = 0;
+
+ c = fgetc(fp); //get character at position after the newline or carriage return
+
+ while ((c != '\n') && (c != '\r')) { //check if character is a newline or carriage return
+ count++; //increment main counter
+ c = fgetc(fp); //get a new character
+ }
+ currentFilePos += count;
+ return count;
+}
+
+void TxtFile::seekLine(int line) {
+ if(isFileParsed) {
+ seekPos(fileLineStart[line - 1]);
+ }
+}
+
+/**
+* Returns the line length of the current line the 'seek head' is on
+*
+* @returns lineLength
+*/
+int TxtFile::lineLength() {
+ int count; //initialise all values needed
+
+ seekLineStart();
+
+ count = seekLineEnd();
+
+ return count; //return count, which is the number of characters in the line
+}
+
+/**
+*
+*/
+void csvToIntArray(int line, int arrayStart, int arrayEnd, int *array) {
+
+
+// int i = char a - '0' <---- really easy way to convert char to int. :D
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/txtFile.h Thu Jun 11 13:50:10 2015 +0000
@@ -0,0 +1,79 @@
+/*
+txtFile.h
+
+Header file containing outline for all methods dealing
+with txt file data, editing, reading, searching etc.
+
+*/
+
+#ifndef TXTFILE_H
+#define TXTFILE_H
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <string>
+
+class TxtFile {
+
+public:
+//constructor and deconstructor
+ TxtFile(char fileAddr[], char *readWrite, bool doParseFile);
+ ~TxtFile();
+
+ //returns whether a file is open or not
+ bool isOpen(); //done
+
+ //closes the file and returns true if successful
+ bool closeFile(); //done
+
+ //returns if the file is parsed or not
+ bool isParsed(); //done
+
+ //counts the number of lines and sets the line start locations
+ void parseFile(); //needs testing
+
+ //returns the number of lines
+ int lineCount();
+
+ //seeks to the position seekLoc
+ void seekPos(int seekLoc); //done
+
+ //returns currentFilePos
+ int getPos(); //done
+
+ //seeks to the start of the current line
+ int seekLineStart();
+
+ //seeks to the end of the current line
+ int seekLineEnd();
+
+ //seeks to a specific line start
+ void seekLine(int line);
+
+ //returns which line pointer is on
+ int getLine();
+
+ //returns the length of the current line
+ int lineLength(); //done
+
+ //converts a csv in a file to an array - will only read off one line
+ void csvToIntArray(int line, int arrayStart, int arrayEnd, int *array);
+
+ //reads a line
+ void readLine(int line);
+
+
+private:
+
+ FILE *fp;
+
+ bool isFileOpen; //value representing if the file is open or not
+ bool isFileParsed; //representing if the file has been parsed or not
+
+ int noLines; //number of lines in the file, with a -1 offset (1 line = 0, 2 lines = 1 etc)
+ int fileLineStart[]; //starting seek location for every line in the file
+ int fileLineLength[]; //length of each line
+ int currentFilePos; //current position in the file relative to the start
+};
+
+#endif
\ No newline at end of file