Muaiyd Al-Zandi / Mbed 2 deprecated ass2

Embedded software Assessment 2

Dependencies:   MCP23017 SDFileSystem USBDevice WattBob_TextLCD mbed

Function.h@14:17be0f2d153f, 2014-02-26 (annotated)

Committer:
muaiyd
Date:
Wed Feb 26 11:49:12 2014 +0000
Revision:
14:17be0f2d153f
Parent:
13:6094b94b3b7c
Child:
15:d33c51364fac
Trying to use one triker

Who changed what in which revision?

UserRevisionLine numberNew contents of line
muaiyd 0:86bba6bf9b6f 1 #include "MCP23017.h"
muaiyd 0:86bba6bf9b6f 2 #include "WattBob_TextLCD.h"
muaiyd 0:86bba6bf9b6f 3 #include "mbed.h"
muaiyd 8:16a77a68e4b4 4 #include "SDFileSystem.h"
muaiyd 0:86bba6bf9b6f 5
muaiyd 7:d9f86e1b8185 6 MCP23017 Port(p9,p10,0x40) ; // 16-bit parallel I/O object
muaiyd 7:d9f86e1b8185 7 WattBob_TextLCD LCD(&Port); // Varaible to 2*16 chacater LCD object
muaiyd 7:d9f86e1b8185 8
muaiyd 7:d9f86e1b8185 9
muaiyd 7:d9f86e1b8185 10 BusOut BinLed(LED4, LED3, LED2, LED1);
muaiyd 8:16a77a68e4b4 11 DigitalIn FrequencyIn(p15);
muaiyd 8:16a77a68e4b4 12 DigitalIn Switch1(p17);
muaiyd 8:16a77a68e4b4 13 DigitalIn Switch2(p18);
muaiyd 7:d9f86e1b8185 14 AnalogIn Analogue_in_1(p19);
muaiyd 7:d9f86e1b8185 15 AnalogIn Analogue_in_2(p20);
muaiyd 7:d9f86e1b8185 16
muaiyd 8:16a77a68e4b4 17 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
muaiyd 0:86bba6bf9b6f 18
muaiyd 7:d9f86e1b8185 19 uint8_t Analug1_valu[5]={0,0,0,0,0};
muaiyd 7:d9f86e1b8185 20 uint8_t Analug2_valu[5]={0,0,0,0,0};
muaiyd 7:d9f86e1b8185 21 uint8_t Bin=0x00;
muaiyd 7:d9f86e1b8185 22 bool Swch1;
muaiyd 7:d9f86e1b8185 23 bool Swch2;
muaiyd 7:d9f86e1b8185 24 bool Ena_job6=0;
muaiyd 14:17be0f2d153f 25 bool FreqTimeOutHpn;
muaiyd 7:d9f86e1b8185 26 uint8_t Error_Code;
muaiyd 7:d9f86e1b8185 27 uint16_t Freq;
muaiyd 9:539c51b7db52 28 char Temp[4];
muaiyd 12:582753a4f1fb 29 FILE *fp;
muaiyd 12:582753a4f1fb 30
muaiyd 7:d9f86e1b8185 31 Timer FreqMsurT;
muaiyd 7:d9f86e1b8185 32 Timer FreqTimeOut;
muaiyd 9:539c51b7db52 33 Timer LogTimer;
muaiyd 7:d9f86e1b8185 34
muaiyd 7:d9f86e1b8185 35 Ticker CallFreqMsur;
muaiyd 7:d9f86e1b8185 36 Ticker CallReadDigitalin;
muaiyd 7:d9f86e1b8185 37 Ticker CallReadAnalogin;
muaiyd 7:d9f86e1b8185 38 Ticker CallDisplay;
muaiyd 7:d9f86e1b8185 39 Ticker CallInputCheck;
muaiyd 7:d9f86e1b8185 40 Ticker CallBinaryCounter;
muaiyd 7:d9f86e1b8185 41 Ticker CallLogFile;
muaiyd 7:d9f86e1b8185 42
muaiyd 12:582753a4f1fb 43
muaiyd 12:582753a4f1fb 44 void Init_LCD();
muaiyd 12:582753a4f1fb 45 void FreqMsur();
muaiyd 12:582753a4f1fb 46 void ReadDigitalin();
muaiyd 12:582753a4f1fb 47 void ReadAnalogin();
muaiyd 12:582753a4f1fb 48 void Display();
muaiyd 12:582753a4f1fb 49 void InputCheck();
muaiyd 12:582753a4f1fb 50 void BinaryCounter();
muaiyd 12:582753a4f1fb 51 void InitFile();
muaiyd 12:582753a4f1fb 52 void LogFile();
muaiyd 12:582753a4f1fb 53
muaiyd 12:582753a4f1fb 54 /********************************************************************************
muaiyd 12:582753a4f1fb 55 Functions
muaiyd 12:582753a4f1fb 56 ###############################################################################*/
muaiyd 0:86bba6bf9b6f 57 void Write_LCD(const char STR[],int8_t PY,int8_t PX,bool clr){
muaiyd 0:86bba6bf9b6f 58 if(clr)
muaiyd 0:86bba6bf9b6f 59 LCD.cls();
muaiyd 0:86bba6bf9b6f 60 LCD.locate(PY,PX);
muaiyd 0:86bba6bf9b6f 61 LCD.printf(STR);
muaiyd 0:86bba6bf9b6f 62 }
muaiyd 13:6094b94b3b7c 63 /***************************************************************************/
muaiyd 0:86bba6bf9b6f 64 void Init_LCD(){
muaiyd 0:86bba6bf9b6f 65 Port.write_bit(1,BL_BIT);
muaiyd 0:86bba6bf9b6f 66 Write_LCD("Muaiyd",0,4,1);
muaiyd 0:86bba6bf9b6f 67 Write_LCD("Heriot-Watt Uni.",1,0,0);
muaiyd 13:6094b94b3b7c 68 wait(1.5);
muaiyd 13:6094b94b3b7c 69 Write_LCD("F=",0,0,1);
muaiyd 13:6094b94b3b7c 70 Write_LCD("A1=",1,0,0);
muaiyd 13:6094b94b3b7c 71 Write_LCD("A2=",1,7,0);
muaiyd 13:6094b94b3b7c 72 Write_LCD("S1=",0,7,0);
muaiyd 13:6094b94b3b7c 73 Write_LCD("S2=",0,12,0);
muaiyd 13:6094b94b3b7c 74 Write_LCD("E",1,14,0);
muaiyd 13:6094b94b3b7c 75 LogTimer.start();
muaiyd 4:4bb228d1f6c2 76 }
muaiyd 4:4bb228d1f6c2 77
muaiyd 13:6094b94b3b7c 78 /***************************************************************************************
muaiyd 7:d9f86e1b8185 79 Measure the frequency of a 3.3v square wave signal once every second. The frequency range
muaiyd 7:d9f86e1b8185 80 is 500Hz to 1000Hz with 50% duty cycle).
muaiyd 13:6094b94b3b7c 81 *****************************************************************************************/
muaiyd 7:d9f86e1b8185 82
muaiyd 7:d9f86e1b8185 83 void FreqMsur(){
muaiyd 7:d9f86e1b8185 84 FreqTimeOut.start();
muaiyd 14:17be0f2d153f 85 if(!FrequencyIn){
muaiyd 14:17be0f2d153f 86 while(!FrequencyIn){
muaiyd 14:17be0f2d153f 87 if (FreqTimeOut.read_ms() > 3)
muaiyd 14:17be0f2d153f 88 break;
muaiyd 14:17be0f2d153f 89 }
muaiyd 7:d9f86e1b8185 90 }
muaiyd 14:17be0f2d153f 91 else{
muaiyd 14:17be0f2d153f 92 while(FrequencyIn){
muaiyd 14:17be0f2d153f 93 if (FreqTimeOut.read_ms() > 3)
muaiyd 14:17be0f2d153f 94 break;
muaiyd 14:17be0f2d153f 95 }
muaiyd 14:17be0f2d153f 96 }
muaiyd 14:17be0f2d153f 97 FreqMsurT.start();
muaiyd 14:17be0f2d153f 98 if (FreqTimeOut.read_ms() > 3){
muaiyd 14:17be0f2d153f 99 FreqTimeOutHpn=1;
muaiyd 7:d9f86e1b8185 100 }
muaiyd 14:17be0f2d153f 101 else{
muaiyd 14:17be0f2d153f 102 FreqTimeOutHpn=0;
muaiyd 14:17be0f2d153f 103 }
muaiyd 14:17be0f2d153f 104 FreqTimeOut.stop();
muaiyd 14:17be0f2d153f 105 FreqTimeOut.reset();
muaiyd 14:17be0f2d153f 106 if(!FreqTimeOutHpn){
muaiyd 14:17be0f2d153f 107 if(!FrequencyIn){
muaiyd 14:17be0f2d153f 108 while(!FrequencyIn){
muaiyd 14:17be0f2d153f 109 }
muaiyd 14:17be0f2d153f 110 while(FrequencyIn){
muaiyd 14:17be0f2d153f 111 }
muaiyd 7:d9f86e1b8185 112 }
muaiyd 14:17be0f2d153f 113 else{
muaiyd 14:17be0f2d153f 114 while(FrequencyIn){
muaiyd 14:17be0f2d153f 115 }
muaiyd 14:17be0f2d153f 116 while(!FrequencyIn){
muaiyd 14:17be0f2d153f 117 }
muaiyd 7:d9f86e1b8185 118 }
muaiyd 7:d9f86e1b8185 119 FreqMsurT.stop();
muaiyd 7:d9f86e1b8185 120 float Period=FreqMsurT.read_us();
muaiyd 14:17be0f2d153f 121 Freq=1/Period*1000000.0+0.5; //Adding 0.5 to round the frequency to nearst int
muaiyd 7:d9f86e1b8185 122 }
muaiyd 7:d9f86e1b8185 123 else{
muaiyd 7:d9f86e1b8185 124 Freq=0xffff;
muaiyd 7:d9f86e1b8185 125 }
muaiyd 14:17be0f2d153f 126 FreqTimeOut.stop();
muaiyd 7:d9f86e1b8185 127 FreqMsurT.reset();
muaiyd 4:4bb228d1f6c2 128 }
muaiyd 4:4bb228d1f6c2 129
muaiyd 7:d9f86e1b8185 130 //Read TWO digital inputs every 400mS (switch_1 and switch_2)
muaiyd 7:d9f86e1b8185 131 void ReadDigitalin(){
muaiyd 7:d9f86e1b8185 132 Swch1=Switch1;
muaiyd 7:d9f86e1b8185 133 Swch2=Switch2;
muaiyd 4:4bb228d1f6c2 134 }
muaiyd 13:6094b94b3b7c 135 /*******************************************************************
muaiyd 7:d9f86e1b8185 136 Read TWO analogue inputs every 800mS (Analogue_in_1 at pin 19
muaiyd 7:d9f86e1b8185 137 and Analogue_in_2 at pin 20). Also, averaging the last 4 readings
muaiyd 13:6094b94b3b7c 138 ********************************************************************/
muaiyd 7:d9f86e1b8185 139 void ReadAnalogin(){
muaiyd 7:d9f86e1b8185 140 Analug1_valu[4]=0;
muaiyd 7:d9f86e1b8185 141 Analug2_valu[4]=0;
muaiyd 7:d9f86e1b8185 142 for(int i=0;i<3;i++){
muaiyd 7:d9f86e1b8185 143 Analug1_valu[i]=Analug1_valu[i+1];
muaiyd 7:d9f86e1b8185 144 Analug1_valu[4]=Analug1_valu[4]+Analug1_valu[i]/4;
muaiyd 7:d9f86e1b8185 145 Analug2_valu[i]=Analug2_valu[i+1];
muaiyd 7:d9f86e1b8185 146 Analug2_valu[4]=Analug2_valu[4]+Analug2_valu[i]/4;
muaiyd 7:d9f86e1b8185 147 }
muaiyd 7:d9f86e1b8185 148 Analug1_valu[3]=Analogue_in_1.read()*255;
muaiyd 7:d9f86e1b8185 149 Analug2_valu[3]=Analogue_in_2.read()*255;
muaiyd 7:d9f86e1b8185 150 Analug1_valu[4]=Analug1_valu[4]+Analug1_valu[3]/4;
muaiyd 7:d9f86e1b8185 151 Analug2_valu[4]=Analug2_valu[4]+Analug2_valu[3]/4;
muaiyd 7:d9f86e1b8185 152 }
muaiyd 13:6094b94b3b7c 153 /*************************************************************
muaiyd 7:d9f86e1b8185 154 Display the following on the LCD display every 2 seconds
muaiyd 7:d9f86e1b8185 155 a. Frequency value (show as integer)
muaiyd 7:d9f86e1b8185 156 b. analogue values (show as integers)
muaiyd 7:d9f86e1b8185 157 c. digital values
muaiyd 7:d9f86e1b8185 158 d. Possible error code
muaiyd 13:6094b94b3b7c 159 **************************************************************/
muaiyd 13:6094b94b3b7c 160 void Display(){
muaiyd 13:6094b94b3b7c 161 Write_LCD(" ",0,2,0);
muaiyd 14:17be0f2d153f 162 if( Freq<1010 && Freq>490){
muaiyd 7:d9f86e1b8185 163 sprintf(Temp, "%d", Freq);
muaiyd 13:6094b94b3b7c 164 Write_LCD(Temp,0,2,0);
muaiyd 7:d9f86e1b8185 165 }
muaiyd 7:d9f86e1b8185 166 else{
muaiyd 13:6094b94b3b7c 167 Write_LCD("Err",0,2,0);
muaiyd 7:d9f86e1b8185 168 }
muaiyd 7:d9f86e1b8185 169 sprintf(Temp, "%d", Analug1_valu[4]);
muaiyd 13:6094b94b3b7c 170 Write_LCD(" ",1,3,0);
muaiyd 13:6094b94b3b7c 171 Write_LCD(Temp,1,3,0);
muaiyd 7:d9f86e1b8185 172 sprintf(Temp, "%d", Analug2_valu[4]);
muaiyd 13:6094b94b3b7c 173 Write_LCD(" ",1,10,0);
muaiyd 13:6094b94b3b7c 174 Write_LCD(Temp,1,10,0);
muaiyd 7:d9f86e1b8185 175 sprintf(Temp, "%d", Swch1);
muaiyd 13:6094b94b3b7c 176 Write_LCD(Temp,0,10,0);
muaiyd 7:d9f86e1b8185 177 sprintf(Temp, "%d", Swch2);
muaiyd 13:6094b94b3b7c 178 Write_LCD(Temp,0,15,0);
muaiyd 7:d9f86e1b8185 179 sprintf(Temp, "%d", Error_Code);
muaiyd 13:6094b94b3b7c 180 Write_LCD(Temp,1,15,0);
muaiyd 4:4bb228d1f6c2 181 }
muaiyd 13:6094b94b3b7c 182 //############################################################
muaiyd 7:d9f86e1b8185 183 void InputCheck(){
muaiyd 7:d9f86e1b8185 184 if(Swch1&&(Analug1_valu[4]>Analug2_valu[4])){
muaiyd 7:d9f86e1b8185 185 Error_Code=3;
muaiyd 7:d9f86e1b8185 186 }
muaiyd 7:d9f86e1b8185 187 else{
muaiyd 7:d9f86e1b8185 188 Error_Code=0;
muaiyd 7:d9f86e1b8185 189 }
muaiyd 7:d9f86e1b8185 190 if(Swch2){
muaiyd 7:d9f86e1b8185 191 Ena_job6=1;
muaiyd 7:d9f86e1b8185 192 }
muaiyd 7:d9f86e1b8185 193 else{
muaiyd 7:d9f86e1b8185 194 Ena_job6=0;
muaiyd 7:d9f86e1b8185 195 }
muaiyd 4:4bb228d1f6c2 196 }
muaiyd 4:4bb228d1f6c2 197
muaiyd 7:d9f86e1b8185 198 void BinaryCounter(){
muaiyd 7:d9f86e1b8185 199 if(Ena_job6){
muaiyd 7:d9f86e1b8185 200 BinLed=Bin;
muaiyd 7:d9f86e1b8185 201 Bin++;
muaiyd 7:d9f86e1b8185 202 }
muaiyd 7:d9f86e1b8185 203 else{
muaiyd 7:d9f86e1b8185 204 BinLed=0x00;
muaiyd 7:d9f86e1b8185 205 Bin=0x00;
muaiyd 7:d9f86e1b8185 206 }
muaiyd 4:4bb228d1f6c2 207 }
muaiyd 13:6094b94b3b7c 208 /***************************************************************
muaiyd 13:6094b94b3b7c 209
muaiyd 13:6094b94b3b7c 210 *****************************************************************/
muaiyd 12:582753a4f1fb 211 void InitFile(){
muaiyd 13:6094b94b3b7c 212 fp = fopen( "/sd/LogDir/LogHistory.txt" , "a");
muaiyd 8:16a77a68e4b4 213 if(fp == NULL) {
muaiyd 8:16a77a68e4b4 214 error("Could not open file for write\n");
muaiyd 12:582753a4f1fb 215 }
muaiyd 13:6094b94b3b7c 216 fprintf(fp,"%s","**************************************************************\r\n");
muaiyd 13:6094b94b3b7c 217 fprintf(fp,"%s","Time Freq Sw1 Sw2 An1 An2 ;\r\n");
muaiyd 13:6094b94b3b7c 218 fprintf(fp,"%s","**************************************************************\r\n");
muaiyd 12:582753a4f1fb 219 fclose(fp);
muaiyd 12:582753a4f1fb 220 }
muaiyd 13:6094b94b3b7c 221 /**************************************************************
muaiyd 13:6094b94b3b7c 222
muaiyd 13:6094b94b3b7c 223 ***************************************************************/
muaiyd 12:582753a4f1fb 224 void LogFile(){
muaiyd 12:582753a4f1fb 225 char* Frq;
muaiyd 14:17be0f2d153f 226 fp = fopen("/sd/LogDir/LogHistory.txt", "a");
muaiyd 11:0b2801513f93 227 if( Freq<1200 && Freq>400){
muaiyd 11:0b2801513f93 228 sprintf(Temp, "%d", Freq);
muaiyd 11:0b2801513f93 229 Frq = Temp;
muaiyd 11:0b2801513f93 230 }
muaiyd 9:539c51b7db52 231 else
muaiyd 11:0b2801513f93 232 Frq="Err";
muaiyd 11:0b2801513f93 233
muaiyd 11:0b2801513f93 234 fprintf(fp,"%d ,",(LogTimer.read_ms()/1000));
muaiyd 13:6094b94b3b7c 235 fprintf(fp," %s ,",Frq);
muaiyd 13:6094b94b3b7c 236 fprintf(fp," %i ,",Swch1);
muaiyd 13:6094b94b3b7c 237 fprintf(fp," %i ,",Swch2);
muaiyd 13:6094b94b3b7c 238 fprintf(fp," %d%3 ,",Analug1_valu[4]);
muaiyd 13:6094b94b3b7c 239 fprintf(fp," %d%3 ",Analug2_valu[4]);
muaiyd 11:0b2801513f93 240 fprintf(fp," %s","\r\n");
muaiyd 8:16a77a68e4b4 241 fclose(fp);
muaiyd 8:16a77a68e4b4 242 printf("Goodbye World!\n");
muaiyd 0:86bba6bf9b6f 243 }