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This is car control simulation by using Mbed controller and real time operating system.
Dependencies: MCP23017 Servo WattBob_TextLCD mbed-rtos mbed
Fork of Ass3 by
CAR.cpp@8:6e55db96c11c, 2014-04-09 (annotated)
- Committer:
- muaiyd
- Date:
- Wed Apr 09 09:41:30 2014 +0000
- Revision:
- 8:6e55db96c11c
- Parent:
- 7:a92da438d06c
- Child:
- 9:d86a6b8cdfa4
Finished all the tasks except the saving in file
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
muaiyd | 0:68ce46607848 | 1 | #include "CAR.h" |
muaiyd | 1:b409ad65466a | 2 | Semaphore CAR_MAIL_SEM(1); |
muaiyd | 7:a92da438d06c | 3 | Semaphore INPUT_SEM(2); |
muaiyd | 7:a92da438d06c | 4 | Semaphore SWITCH_SEM(3); |
muaiyd | 1:b409ad65466a | 5 | uint32_t Element_Counter_W = 0; |
muaiyd | 1:b409ad65466a | 6 | uint32_t Element_Counter_R = 0; |
muaiyd | 1:b409ad65466a | 7 | typedef struct { |
muaiyd | 1:b409ad65466a | 8 | uint8_t Mail_Average_Speed; |
muaiyd | 1:b409ad65466a | 9 | float Mail_Accelerometer_Value; |
muaiyd | 1:b409ad65466a | 10 | float Mail_Brake_Value; |
muaiyd | 1:b409ad65466a | 11 | int Counter; |
muaiyd | 1:b409ad65466a | 12 | } CAR_MAIL; |
muaiyd | 1:b409ad65466a | 13 | static Mail<CAR_MAIL, 100> mail_box; |
muaiyd | 7:a92da438d06c | 14 | bool LSide_Indicator_Value; |
muaiyd | 7:a92da438d06c | 15 | bool RSide_Indicator_Value; |
muaiyd | 1:b409ad65466a | 16 | |
muaiyd | 1:b409ad65466a | 17 | CAR::CAR(){ |
muaiyd | 1:b409ad65466a | 18 | Port.write_bit(1,BL_BIT); |
muaiyd | 1:b409ad65466a | 19 | |
muaiyd | 1:b409ad65466a | 20 | |
muaiyd | 1:b409ad65466a | 21 | } |
muaiyd | 1:b409ad65466a | 22 | void CAR::SAVE_ODO(float value) { |
muaiyd | 1:b409ad65466a | 23 | LPC_RTC->GPREG0 = *((uint32_t*)&value); |
muaiyd | 1:b409ad65466a | 24 | } |
muaiyd | 1:b409ad65466a | 25 | |
muaiyd | 1:b409ad65466a | 26 | float CAR::GET_ODO() { |
muaiyd | 1:b409ad65466a | 27 | return *((float*)&(LPC_RTC->GPREG0)); |
muaiyd | 1:b409ad65466a | 28 | } |
muaiyd | 1:b409ad65466a | 29 | void CAR::Accelero_Brake_Read(void const *args){ |
muaiyd | 0:68ce46607848 | 30 | while (true) { |
muaiyd | 7:a92da438d06c | 31 | INPUT_SEM.wait(); |
muaiyd | 1:b409ad65466a | 32 | Accelerometer_Value = Accelerometer.read(); |
muaiyd | 1:b409ad65466a | 33 | Brake_Value = Brake.read(); |
muaiyd | 1:b409ad65466a | 34 | EngineStat = EngineSwitch; |
muaiyd | 1:b409ad65466a | 35 | Speed[Counter] = Accelerometer_Value * MaxSpeed * (1 - Brake_Value) * EngineStat ; |
muaiyd | 1:b409ad65466a | 36 | Counter++; |
muaiyd | 1:b409ad65466a | 37 | if(Counter > 2) Counter = 0; |
muaiyd | 7:a92da438d06c | 38 | INPUT_SEM.release(); |
muaiyd | 1:b409ad65466a | 39 | Thread::wait(100); |
muaiyd | 1:b409ad65466a | 40 | } |
muaiyd | 1:b409ad65466a | 41 | } |
muaiyd | 1:b409ad65466a | 42 | |
muaiyd | 1:b409ad65466a | 43 | void CAR::Average_Speed_Measure(void const *args) { |
muaiyd | 1:b409ad65466a | 44 | while (true) { |
muaiyd | 7:a92da438d06c | 45 | INPUT_SEM.wait(); |
muaiyd | 1:b409ad65466a | 46 | Average_Speed = ( Speed[0] + Speed[1] + Speed[2] )/3 ; |
muaiyd | 7:a92da438d06c | 47 | INPUT_SEM.release(); |
muaiyd | 1:b409ad65466a | 48 | Thread::wait(200); |
muaiyd | 1:b409ad65466a | 49 | } |
muaiyd | 1:b409ad65466a | 50 | } |
muaiyd | 1:b409ad65466a | 51 | |
muaiyd | 1:b409ad65466a | 52 | void CAR::Average_Speed_Show(void const *args){ |
muaiyd | 1:b409ad65466a | 53 | while(1){ |
muaiyd | 7:a92da438d06c | 54 | INPUT_SEM.wait(); |
muaiyd | 7:a92da438d06c | 55 | SpeedShow_Servo = 1.0 - (float)Average_Speed / (float)MaxSpeed ; |
muaiyd | 7:a92da438d06c | 56 | INPUT_SEM.release(); |
muaiyd | 0:68ce46607848 | 57 | Thread::wait(1000); |
muaiyd | 0:68ce46607848 | 58 | } |
muaiyd | 1:b409ad65466a | 59 | } |
muaiyd | 1:b409ad65466a | 60 | void CAR::OverSpeed(void const *args){ |
muaiyd | 1:b409ad65466a | 61 | while(true){ |
muaiyd | 7:a92da438d06c | 62 | INPUT_SEM.wait(); |
muaiyd | 1:b409ad65466a | 63 | if(Average_Speed > 70) |
muaiyd | 1:b409ad65466a | 64 | IsOverSpeed = 1; |
muaiyd | 1:b409ad65466a | 65 | |
muaiyd | 1:b409ad65466a | 66 | else |
muaiyd | 1:b409ad65466a | 67 | IsOverSpeed = 0; |
muaiyd | 7:a92da438d06c | 68 | INPUT_SEM.release(); |
muaiyd | 7:a92da438d06c | 69 | Thread::wait(2000); |
muaiyd | 1:b409ad65466a | 70 | } |
muaiyd | 1:b409ad65466a | 71 | } |
muaiyd | 1:b409ad65466a | 72 | |
muaiyd | 7:a92da438d06c | 73 | void CAR::Odo_Show_Indicator_Switch_Read(void const *args){ |
muaiyd | 1:b409ad65466a | 74 | while(true){ |
muaiyd | 1:b409ad65466a | 75 | LCD.locate(0,0); |
muaiyd | 7:a92da438d06c | 76 | INPUT_SEM.wait(); |
muaiyd | 7:a92da438d06c | 77 | Odometer_Value = GET_ODO() + Average_Speed / 7200.0 ; |
muaiyd | 7:a92da438d06c | 78 | SAVE_ODO(Odometer_Value); |
muaiyd | 1:b409ad65466a | 79 | LCD.printf("AvrgSpd %3D MPH",Average_Speed); |
muaiyd | 1:b409ad65466a | 80 | LCD.locate(1,0); |
muaiyd | 7:a92da438d06c | 81 | LCD.printf("OdoVlu %4.2f M",GET_ODO()); |
muaiyd | 7:a92da438d06c | 82 | INPUT_SEM.release(); |
muaiyd | 7:a92da438d06c | 83 | SWITCH_SEM.wait(); |
muaiyd | 7:a92da438d06c | 84 | LSide_Indicator_Value = LSide_Indicator_Switch; |
muaiyd | 7:a92da438d06c | 85 | RSide_Indicator_Value = RSide_Indicator_Switch; |
muaiyd | 7:a92da438d06c | 86 | SWITCH_SEM.release(); |
muaiyd | 1:b409ad65466a | 87 | Thread::wait(500); |
muaiyd | 1:b409ad65466a | 88 | } |
muaiyd | 1:b409ad65466a | 89 | } |
muaiyd | 1:b409ad65466a | 90 | void CAR::SEND_CAR_VALUES (void const *args) { |
muaiyd | 1:b409ad65466a | 91 | |
muaiyd | 1:b409ad65466a | 92 | while (true) { |
muaiyd | 1:b409ad65466a | 93 | CAR_MAIL *mail = mail_box.alloc(); |
muaiyd | 1:b409ad65466a | 94 | CAR_MAIL_SEM.wait(); |
muaiyd | 1:b409ad65466a | 95 | mail->Mail_Average_Speed = Average_Speed; |
muaiyd | 1:b409ad65466a | 96 | mail->Mail_Accelerometer_Value = Accelerometer_Value; |
muaiyd | 1:b409ad65466a | 97 | mail->Mail_Brake_Value = Brake_Value; |
muaiyd | 1:b409ad65466a | 98 | mail->Counter = Element_Counter_W ; |
muaiyd | 1:b409ad65466a | 99 | mail_box.put(mail); |
muaiyd | 1:b409ad65466a | 100 | printf("\n %i £ \n\r",Element_Counter_W); |
muaiyd | 1:b409ad65466a | 101 | Element_Counter_W++; |
muaiyd | 7:a92da438d06c | 102 | CAR_MAIL_SEM.release(); |
muaiyd | 7:a92da438d06c | 103 | Thread::wait(5000); |
muaiyd | 1:b409ad65466a | 104 | } |
muaiyd | 1:b409ad65466a | 105 | } |
muaiyd | 1:b409ad65466a | 106 | void CAR::DUMP_CAR_VALUES_En (void const *args) { |
muaiyd | 1:b409ad65466a | 107 | while (true) { |
muaiyd | 1:b409ad65466a | 108 | CAR_MAIL_SEM.wait(); |
muaiyd | 1:b409ad65466a | 109 | while (Element_Counter_W > Element_Counter_R) |
muaiyd | 7:a92da438d06c | 110 | DUMP_CAR_VALUES(); |
muaiyd | 1:b409ad65466a | 111 | CAR_MAIL_SEM.release(); |
muaiyd | 6:5037779f6a55 | 112 | Thread::wait(20000); |
muaiyd | 1:b409ad65466a | 113 | } |
muaiyd | 1:b409ad65466a | 114 | } |
muaiyd | 1:b409ad65466a | 115 | void CAR::DUMP_CAR_VALUES () { |
muaiyd | 1:b409ad65466a | 116 | printf("Writing \n\r"); |
muaiyd | 1:b409ad65466a | 117 | osEvent evt = mail_box.get(10); |
muaiyd | 1:b409ad65466a | 118 | CAR_MAIL *mail = (CAR_MAIL*)evt.value.p; |
muaiyd | 1:b409ad65466a | 119 | if (evt.status == osEventMail) { |
muaiyd | 1:b409ad65466a | 120 | printf("\nAverage_Speed: %i MPH\n\r" , mail->Mail_Average_Speed); |
muaiyd | 1:b409ad65466a | 121 | printf("Accelerometer_Value: %.3f %\n\r" , mail->Mail_Accelerometer_Value); |
muaiyd | 1:b409ad65466a | 122 | printf("Brake_Value: %.3f %\n\r", mail->Mail_Brake_Value); |
muaiyd | 1:b409ad65466a | 123 | printf("\nCounter: %i \n\r" , mail->Counter); |
muaiyd | 1:b409ad65466a | 124 | mail_box.free(mail); |
muaiyd | 1:b409ad65466a | 125 | Element_Counter_R++; |
muaiyd | 1:b409ad65466a | 126 | } |
muaiyd | 7:a92da438d06c | 127 | } |
muaiyd | 7:a92da438d06c | 128 | void CAR::Side_Light_Flash(void const *args){ |
muaiyd | 7:a92da438d06c | 129 | while(true){ |
muaiyd | 7:a92da438d06c | 130 | SWITCH_SEM.wait(); |
muaiyd | 8:6e55db96c11c | 131 | if((LSide_Indicator_Value == 1) && (RSide_Indicator_Value == 1) ){ |
muaiyd | 8:6e55db96c11c | 132 | L_Side_Indicator = L_Side_Indicator ^ 1; |
muaiyd | 8:6e55db96c11c | 133 | R_Side_Indicator = L_Side_Indicator; |
muaiyd | 8:6e55db96c11c | 134 | } |
muaiyd | 8:6e55db96c11c | 135 | else if(RSide_Indicator_Value == 1){ |
muaiyd | 8:6e55db96c11c | 136 | R_Side_Indicator = R_Side_Indicator ^ 1; |
muaiyd | 8:6e55db96c11c | 137 | L_Side_Indicator = 0; |
muaiyd | 8:6e55db96c11c | 138 | } |
muaiyd | 8:6e55db96c11c | 139 | else if(LSide_Indicator_Value == 1){ |
muaiyd | 8:6e55db96c11c | 140 | L_Side_Indicator = L_Side_Indicator ^ 1; |
muaiyd | 8:6e55db96c11c | 141 | R_Side_Indicator = 0; |
muaiyd | 8:6e55db96c11c | 142 | } |
muaiyd | 8:6e55db96c11c | 143 | else{ |
muaiyd | 8:6e55db96c11c | 144 | L_Side_Indicator = 0; |
muaiyd | 8:6e55db96c11c | 145 | R_Side_Indicator = 0 ; |
muaiyd | 8:6e55db96c11c | 146 | } |
muaiyd | 8:6e55db96c11c | 147 | SWITCH_SEM.release(); |
muaiyd | 8:6e55db96c11c | 148 | Thread::wait(1000); |
muaiyd | 8:6e55db96c11c | 149 | } |
muaiyd | 8:6e55db96c11c | 150 | } |
muaiyd | 8:6e55db96c11c | 151 | void CAR::Side_Light(void const *args){ |
muaiyd | 8:6e55db96c11c | 152 | while(true){ |
muaiyd | 8:6e55db96c11c | 153 | if(LSide_Light_Switch){ |
muaiyd | 8:6e55db96c11c | 154 | L_Side_Light = 1; |
muaiyd | 7:a92da438d06c | 155 | } |
muaiyd | 7:a92da438d06c | 156 | else{ |
muaiyd | 7:a92da438d06c | 157 | L_Side_Light = 0; |
muaiyd | 7:a92da438d06c | 158 | } |
muaiyd | 8:6e55db96c11c | 159 | if(RSide_Light_Switch){ |
muaiyd | 8:6e55db96c11c | 160 | R_Side_Light = 1; |
muaiyd | 7:a92da438d06c | 161 | } |
muaiyd | 7:a92da438d06c | 162 | else{ |
muaiyd | 8:6e55db96c11c | 163 | R_Side_Light = 0; |
muaiyd | 7:a92da438d06c | 164 | } |
muaiyd | 7:a92da438d06c | 165 | Thread::wait(1000); |
muaiyd | 7:a92da438d06c | 166 | } |
muaiyd | 0:68ce46607848 | 167 | } |