Tom Bloor
More HACMan stuff
Dependencies: FatFileSystem SDFileSystem mbed
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
--- /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
--- /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
--- /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
--- /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
--- /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
--- /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
--- /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
--- /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
--- /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