Steven Kay / Mbed 2 deprecated Embedded_Software_Assignment_2

Example software for a Cyclic Executive

Dependencies:   MCP23017 SDFileSystem WattBob_TextLCD mbed

Tasks.h@6:ceda53939eb8, 2016-02-29 (annotated)

Committer:
sk398
Date:
Mon Feb 29 11:20:48 2016 +0000
Revision:
6:ceda53939eb8
Parent:
5:250f51c80ac1
Child:
7:2973bf297f3d
Tasks all written in. Just got to implement the Cyclic Executive OS element

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sk398 4:b85bc0d810e1 1 /* #####################################################################
sk398 4:b85bc0d810e1 2 Tasks.h
sk398 4:b85bc0d810e1 3 -------
sk398 4:b85bc0d810e1 4
sk398 4:b85bc0d810e1 5 Embedded Software - Assignment 2
sk398 4:b85bc0d810e1 6 --------------------------------
sk398 4:b85bc0d810e1 7
sk398 4:b85bc0d810e1 8 Written by: Steven Kay
sk398 4:b85bc0d810e1 9
sk398 4:b85bc0d810e1 10 Date: February 2016
sk398 4:b85bc0d810e1 11
sk398 4:b85bc0d810e1 12 Function: This
sk398 4:b85bc0d810e1 13
sk398 4:b85bc0d810e1 14 Version: 1.0
sk398 4:b85bc0d810e1 15
sk398 4:b85bc0d810e1 16 Version History
sk398 4:b85bc0d810e1 17 ---------------
sk398 4:b85bc0d810e1 18
sk398 4:b85bc0d810e1 19 1.1 rgdfgdfgdfggdfgdg
sk398 4:b85bc0d810e1 20
sk398 4:b85bc0d810e1 21 1.0 gdgddfdddgd
sk398 4:b85bc0d810e1 22
sk398 4:b85bc0d810e1 23 ##################################################################### */
sk398 2:22ebabd78084 24
sk398 1:221d677fe0d3 25 #ifndef _TASKS_H_
sk398 1:221d677fe0d3 26 #define _TASKS_H_
sk398 1:221d677fe0d3 27
sk398 6:ceda53939eb8 28 // Includes to operate the LCD Display
sk398 5:250f51c80ac1 29 #include "MCP23017.h"
sk398 5:250f51c80ac1 30 #include "WattBob_TextLCD.h"
sk398 5:250f51c80ac1 31
sk398 6:ceda53939eb8 32 // Includes to operate the SD Card system
sk398 6:ceda53939eb8 33 #include "SDFileSystem.h"
sk398 6:ceda53939eb8 34
sk398 2:22ebabd78084 35 // Global definitions
sk398 1:221d677fe0d3 36 #define HIGH 1
sk398 1:221d677fe0d3 37 #define LOW 0
sk398 1:221d677fe0d3 38
sk398 3:c611b9bb5770 39 #define TRUE 1
sk398 3:c611b9bb5770 40 #define FALSE 0
sk398 3:c611b9bb5770 41
sk398 2:22ebabd78084 42 // Task 1 definitions
sk398 1:221d677fe0d3 43 #define WATCHDOG_PULSE_WIDTH 15
sk398 1:221d677fe0d3 44
sk398 2:22ebabd78084 45 // Task 2 definitions
sk398 2:22ebabd78084 46
sk398 2:22ebabd78084 47 // Task 3 definitions
sk398 2:22ebabd78084 48
sk398 2:22ebabd78084 49 // Task 4 definitions
sk398 4:b85bc0d810e1 50 #define NUM_ANALOG_SAMPLES 4.0
sk398 2:22ebabd78084 51
sk398 2:22ebabd78084 52 // Task 5 definitions
sk398 2:22ebabd78084 53
sk398 2:22ebabd78084 54 // Task 6 definitions
sk398 6:ceda53939eb8 55 #define ERROR_CODE_CDTN_MET 3
sk398 6:ceda53939eb8 56 #define ERROR_CODE_CDTN_FAIL 0
sk398 2:22ebabd78084 57
sk398 2:22ebabd78084 58 /* ####################### Class definitions and prototypes ####################### */
sk398 1:221d677fe0d3 59
sk398 1:221d677fe0d3 60 /* ==================================== Task 1 ==================================== */
sk398 2:22ebabd78084 61 // Measure freuqnecy
sk398 1:221d677fe0d3 62 class Task1
sk398 1:221d677fe0d3 63 {
sk398 1:221d677fe0d3 64 public:
sk398 1:221d677fe0d3 65 Task1(PinName squareWaveInPin);
sk398 4:b85bc0d810e1 66 int ReadFrequency();
sk398 1:221d677fe0d3 67
sk398 1:221d677fe0d3 68 private:
sk398 4:b85bc0d810e1 69 Timer _Task1Timer;
sk398 4:b85bc0d810e1 70
sk398 4:b85bc0d810e1 71 void MeasureFrequency();
sk398 4:b85bc0d810e1 72 void StopCounter();
sk398 4:b85bc0d810e1 73
sk398 4:b85bc0d810e1 74 volatile int measuredFrequency;
sk398 4:b85bc0d810e1 75
sk398 4:b85bc0d810e1 76 InterruptIn *_squareWaveIn;
sk398 6:ceda53939eb8 77
sk398 6:ceda53939eb8 78 protected:
sk398 1:221d677fe0d3 79
sk398 1:221d677fe0d3 80 };
sk398 1:221d677fe0d3 81
sk398 1:221d677fe0d3 82
sk398 1:221d677fe0d3 83 /* ==================================== Task 2 ==================================== */
sk398 2:22ebabd78084 84 // Digital Input
sk398 1:221d677fe0d3 85 class Task2
sk398 1:221d677fe0d3 86 {
sk398 1:221d677fe0d3 87 public:
sk398 1:221d677fe0d3 88 Task2(PinName digitalInCheckPin);
sk398 3:c611b9bb5770 89 bool digitalInState();
sk398 3:c611b9bb5770 90
sk398 1:221d677fe0d3 91 private:
sk398 6:ceda53939eb8 92
sk398 6:ceda53939eb8 93
sk398 6:ceda53939eb8 94 protected:
sk398 1:221d677fe0d3 95 DigitalIn *_digitalInCheck;
sk398 6:ceda53939eb8 96
sk398 1:221d677fe0d3 97 };
sk398 1:221d677fe0d3 98
sk398 1:221d677fe0d3 99
sk398 1:221d677fe0d3 100 /* ==================================== Task 3 ==================================== */
sk398 2:22ebabd78084 101 // Output watchdog pulse
sk398 1:221d677fe0d3 102 class Task3
sk398 1:221d677fe0d3 103 {
sk398 1:221d677fe0d3 104 public:
sk398 1:221d677fe0d3 105 Task3(PinName WatchdogPin);
sk398 1:221d677fe0d3 106 void OutputWatchdogPulse();
sk398 1:221d677fe0d3 107
sk398 1:221d677fe0d3 108 private:
sk398 6:ceda53939eb8 109
sk398 6:ceda53939eb8 110
sk398 6:ceda53939eb8 111 protected:
sk398 6:ceda53939eb8 112 DigitalOut *_Watchdog;
sk398 6:ceda53939eb8 113
sk398 1:221d677fe0d3 114 };
sk398 1:221d677fe0d3 115
sk398 1:221d677fe0d3 116
sk398 2:22ebabd78084 117 /* ==================================== Task 4 ==================================== */
sk398 2:22ebabd78084 118 // Read 2 analog inputs
sk398 2:22ebabd78084 119 class Task4
sk398 2:22ebabd78084 120 {
sk398 2:22ebabd78084 121 public:
sk398 3:c611b9bb5770 122 Task4(PinName Analog1Pin,PinName Analog2Pin);
sk398 3:c611b9bb5770 123 float *returnAnalogReadings();
sk398 2:22ebabd78084 124
sk398 2:22ebabd78084 125 private:
sk398 6:ceda53939eb8 126
sk398 6:ceda53939eb8 127
sk398 6:ceda53939eb8 128 protected:
sk398 3:c611b9bb5770 129 AnalogIn *_AnalogIn1;
sk398 6:ceda53939eb8 130 AnalogIn *_AnalogIn2;
sk398 6:ceda53939eb8 131
sk398 2:22ebabd78084 132 };
sk398 2:22ebabd78084 133
sk398 5:250f51c80ac1 134 //* ==================================== Task 5 ==================================== */
sk398 5:250f51c80ac1 135 // Display outputs to LCD
sk398 5:250f51c80ac1 136 class Task5
sk398 5:250f51c80ac1 137 {
sk398 5:250f51c80ac1 138 public:
sk398 5:250f51c80ac1 139 Task5(PinName sda, PinName scl, int address);
sk398 6:ceda53939eb8 140 void updateDisplay( int task1Param,
sk398 6:ceda53939eb8 141 int task2Param,
sk398 6:ceda53939eb8 142 int errorState,
sk398 6:ceda53939eb8 143 float task4Channel1,
sk398 6:ceda53939eb8 144 float task4Channel2 );
sk398 6:ceda53939eb8 145
sk398 5:250f51c80ac1 146 private:
sk398 5:250f51c80ac1 147
sk398 5:250f51c80ac1 148
sk398 5:250f51c80ac1 149 protected:
sk398 5:250f51c80ac1 150 MCP23017 *_par_port;
sk398 6:ceda53939eb8 151 WattBob_TextLCD *_lcd;
sk398 6:ceda53939eb8 152
sk398 5:250f51c80ac1 153 };
sk398 6:ceda53939eb8 154
sk398 3:c611b9bb5770 155 ///* ==================================== Task 6 ==================================== */
sk398 6:ceda53939eb8 156 // Logical checks
sk398 6:ceda53939eb8 157 class Task6
sk398 6:ceda53939eb8 158 {
sk398 6:ceda53939eb8 159 public:
sk398 6:ceda53939eb8 160 int updateErrorCode(int switch_1, float analog1, float analog2);
sk398 6:ceda53939eb8 161
sk398 6:ceda53939eb8 162 private:
sk398 6:ceda53939eb8 163
sk398 6:ceda53939eb8 164
sk398 6:ceda53939eb8 165 protected:
sk398 6:ceda53939eb8 166
sk398 6:ceda53939eb8 167
sk398 6:ceda53939eb8 168 };
sk398 6:ceda53939eb8 169
sk398 6:ceda53939eb8 170 /* ==================================== Task 7 ==================================== */
sk398 6:ceda53939eb8 171 // Save data to SD Card
sk398 6:ceda53939eb8 172 class Task7
sk398 6:ceda53939eb8 173 {
sk398 6:ceda53939eb8 174 public:
sk398 6:ceda53939eb8 175 Task7( PinName mosi,
sk398 6:ceda53939eb8 176 PinName miso,
sk398 6:ceda53939eb8 177 PinName sck,
sk398 6:ceda53939eb8 178 PinName cs,
sk398 6:ceda53939eb8 179 const char* SDName,
sk398 6:ceda53939eb8 180 const char *dir );
sk398 6:ceda53939eb8 181
sk398 6:ceda53939eb8 182 void writeData(const char *dataStream);
sk398 6:ceda53939eb8 183 int openFile(const char *dirFile, const char *accessType);
sk398 6:ceda53939eb8 184 void closeFile();
sk398 6:ceda53939eb8 185
sk398 6:ceda53939eb8 186 private:
sk398 6:ceda53939eb8 187 void makeDirectory(const char *dir);
sk398 6:ceda53939eb8 188
sk398 6:ceda53939eb8 189 protected:
sk398 6:ceda53939eb8 190 SDFileSystem *_sd;
sk398 6:ceda53939eb8 191 FILE *fp;
sk398 6:ceda53939eb8 192 };
sk398 1:221d677fe0d3 193
sk398 1:221d677fe0d3 194 #endif