Steven Kay / Mbed 2 deprecated Embedded_Software_Assignment_2

Example software for a Cyclic Executive

Dependencies:   MCP23017 SDFileSystem WattBob_TextLCD mbed

Tasks.h@7:2973bf297f3d, 2016-03-02 (annotated)

Committer:
sk398
Date:
Wed Mar 02 00:51:17 2016 +0000
Revision:
7:2973bf297f3d
Parent:
6:ceda53939eb8
Child:
10:c0531edf4850
All tasks bar 2 and 3 Operational with relatively good timing

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 7:2973bf297f3d 43 #define WATCHDOG_PULSE_WIDTH 15 // ms
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 7:2973bf297f3d 53 #define BACK_LIGHT_ON(INTERFACE) INTERFACE->write_bit(1,BL_BIT)
sk398 7:2973bf297f3d 54 #define BACK_LIGHT_OFF(INTERFACE) INTERFACE->write_bit(0,BL_BIT)
sk398 2:22ebabd78084 55
sk398 2:22ebabd78084 56 // Task 6 definitions
sk398 6:ceda53939eb8 57 #define ERROR_CODE_CDTN_MET 3
sk398 6:ceda53939eb8 58 #define ERROR_CODE_CDTN_FAIL 0
sk398 2:22ebabd78084 59
sk398 7:2973bf297f3d 60
sk398 2:22ebabd78084 61 /* ####################### Class definitions and prototypes ####################### */
sk398 1:221d677fe0d3 62
sk398 1:221d677fe0d3 63 /* ==================================== Task 1 ==================================== */
sk398 2:22ebabd78084 64 // Measure freuqnecy
sk398 1:221d677fe0d3 65 class Task1
sk398 1:221d677fe0d3 66 {
sk398 1:221d677fe0d3 67 public:
sk398 1:221d677fe0d3 68 Task1(PinName squareWaveInPin);
sk398 4:b85bc0d810e1 69 int ReadFrequency();
sk398 1:221d677fe0d3 70
sk398 1:221d677fe0d3 71 private:
sk398 4:b85bc0d810e1 72 Timer _Task1Timer;
sk398 4:b85bc0d810e1 73
sk398 4:b85bc0d810e1 74 void MeasureFrequency();
sk398 4:b85bc0d810e1 75 void StopCounter();
sk398 4:b85bc0d810e1 76
sk398 4:b85bc0d810e1 77 volatile int measuredFrequency;
sk398 4:b85bc0d810e1 78
sk398 4:b85bc0d810e1 79 InterruptIn *_squareWaveIn;
sk398 6:ceda53939eb8 80
sk398 6:ceda53939eb8 81 protected:
sk398 1:221d677fe0d3 82
sk398 1:221d677fe0d3 83 };
sk398 1:221d677fe0d3 84
sk398 1:221d677fe0d3 85
sk398 1:221d677fe0d3 86 /* ==================================== Task 2 ==================================== */
sk398 2:22ebabd78084 87 // Digital Input
sk398 1:221d677fe0d3 88 class Task2
sk398 1:221d677fe0d3 89 {
sk398 1:221d677fe0d3 90 public:
sk398 1:221d677fe0d3 91 Task2(PinName digitalInCheckPin);
sk398 3:c611b9bb5770 92 bool digitalInState();
sk398 3:c611b9bb5770 93
sk398 1:221d677fe0d3 94 private:
sk398 6:ceda53939eb8 95
sk398 6:ceda53939eb8 96
sk398 6:ceda53939eb8 97 protected:
sk398 1:221d677fe0d3 98 DigitalIn *_digitalInCheck;
sk398 6:ceda53939eb8 99
sk398 1:221d677fe0d3 100 };
sk398 1:221d677fe0d3 101
sk398 1:221d677fe0d3 102
sk398 1:221d677fe0d3 103 /* ==================================== Task 3 ==================================== */
sk398 2:22ebabd78084 104 // Output watchdog pulse
sk398 1:221d677fe0d3 105 class Task3
sk398 1:221d677fe0d3 106 {
sk398 1:221d677fe0d3 107 public:
sk398 1:221d677fe0d3 108 Task3(PinName WatchdogPin);
sk398 1:221d677fe0d3 109 void OutputWatchdogPulse();
sk398 1:221d677fe0d3 110
sk398 1:221d677fe0d3 111 private:
sk398 6:ceda53939eb8 112
sk398 6:ceda53939eb8 113
sk398 6:ceda53939eb8 114 protected:
sk398 6:ceda53939eb8 115 DigitalOut *_Watchdog;
sk398 6:ceda53939eb8 116
sk398 1:221d677fe0d3 117 };
sk398 1:221d677fe0d3 118
sk398 1:221d677fe0d3 119
sk398 2:22ebabd78084 120 /* ==================================== Task 4 ==================================== */
sk398 2:22ebabd78084 121 // Read 2 analog inputs
sk398 2:22ebabd78084 122 class Task4
sk398 2:22ebabd78084 123 {
sk398 2:22ebabd78084 124 public:
sk398 3:c611b9bb5770 125 Task4(PinName Analog1Pin,PinName Analog2Pin);
sk398 3:c611b9bb5770 126 float *returnAnalogReadings();
sk398 2:22ebabd78084 127
sk398 2:22ebabd78084 128 private:
sk398 6:ceda53939eb8 129
sk398 6:ceda53939eb8 130
sk398 6:ceda53939eb8 131 protected:
sk398 3:c611b9bb5770 132 AnalogIn *_AnalogIn1;
sk398 6:ceda53939eb8 133 AnalogIn *_AnalogIn2;
sk398 6:ceda53939eb8 134
sk398 2:22ebabd78084 135 };
sk398 2:22ebabd78084 136
sk398 5:250f51c80ac1 137 //* ==================================== Task 5 ==================================== */
sk398 5:250f51c80ac1 138 // Display outputs to LCD
sk398 5:250f51c80ac1 139 class Task5
sk398 5:250f51c80ac1 140 {
sk398 5:250f51c80ac1 141 public:
sk398 5:250f51c80ac1 142 Task5(PinName sda, PinName scl, int address);
sk398 6:ceda53939eb8 143 void updateDisplay( int task1Param,
sk398 6:ceda53939eb8 144 int task2Param,
sk398 6:ceda53939eb8 145 int errorState,
sk398 6:ceda53939eb8 146 float task4Channel1,
sk398 6:ceda53939eb8 147 float task4Channel2 );
sk398 6:ceda53939eb8 148
sk398 5:250f51c80ac1 149 private:
sk398 5:250f51c80ac1 150
sk398 5:250f51c80ac1 151
sk398 5:250f51c80ac1 152 protected:
sk398 5:250f51c80ac1 153 MCP23017 *_par_port;
sk398 6:ceda53939eb8 154 WattBob_TextLCD *_lcd;
sk398 6:ceda53939eb8 155
sk398 5:250f51c80ac1 156 };
sk398 6:ceda53939eb8 157
sk398 3:c611b9bb5770 158 ///* ==================================== Task 6 ==================================== */
sk398 6:ceda53939eb8 159 // Logical checks
sk398 6:ceda53939eb8 160 class Task6
sk398 6:ceda53939eb8 161 {
sk398 6:ceda53939eb8 162 public:
sk398 6:ceda53939eb8 163 int updateErrorCode(int switch_1, float analog1, float analog2);
sk398 6:ceda53939eb8 164
sk398 6:ceda53939eb8 165 private:
sk398 6:ceda53939eb8 166
sk398 6:ceda53939eb8 167
sk398 6:ceda53939eb8 168 protected:
sk398 6:ceda53939eb8 169
sk398 6:ceda53939eb8 170
sk398 6:ceda53939eb8 171 };
sk398 6:ceda53939eb8 172
sk398 6:ceda53939eb8 173 /* ==================================== Task 7 ==================================== */
sk398 6:ceda53939eb8 174 // Save data to SD Card
sk398 6:ceda53939eb8 175 class Task7
sk398 6:ceda53939eb8 176 {
sk398 6:ceda53939eb8 177 public:
sk398 6:ceda53939eb8 178 Task7( PinName mosi,
sk398 6:ceda53939eb8 179 PinName miso,
sk398 6:ceda53939eb8 180 PinName sck,
sk398 6:ceda53939eb8 181 PinName cs,
sk398 6:ceda53939eb8 182 const char* SDName,
sk398 6:ceda53939eb8 183 const char *dir );
sk398 6:ceda53939eb8 184
sk398 6:ceda53939eb8 185 void writeData(const char *dataStream);
sk398 6:ceda53939eb8 186 int openFile(const char *dirFile, const char *accessType);
sk398 6:ceda53939eb8 187 void closeFile();
sk398 6:ceda53939eb8 188
sk398 6:ceda53939eb8 189 private:
sk398 6:ceda53939eb8 190 void makeDirectory(const char *dir);
sk398 6:ceda53939eb8 191
sk398 6:ceda53939eb8 192 protected:
sk398 6:ceda53939eb8 193 SDFileSystem *_sd;
sk398 6:ceda53939eb8 194 FILE *fp;
sk398 6:ceda53939eb8 195 };
sk398 1:221d677fe0d3 196
sk398 1:221d677fe0d3 197 #endif