3k04 team / Mbed 2 deprecated Pacemaker

Pacemaker code Implementation for SFWRENG 3K04

Dependencies:   mbed Queue mbed-rtos FXOS8700Q

Fork of Pacemaker by Eric dollar

SWFRENG 3K04 Project to design, develop, and document a functional pacemaker.

The project uses the Freescale K64F Microcontroller and C++ mbed library.

pulse.cpp@33:686a1a0c690f, 2016-12-12 (annotated)

Committer:
noahzwiep
Date:
Mon Dec 12 03:31:55 2016 +0000
Revision:
33:686a1a0c690f
Parent:
32:69cd1390bc21
Child:
34:701503855d52
Using proper pulse functions and pins

Who changed what in which revision?

UserRevisionLine numberNew contents of line
noahzwiep 32:69cd1390bc21 1 #pragma once
noahzwiep 32:69cd1390bc21 2 #include "mbed.h"
noahzwiep 32:69cd1390bc21 3 #include "pulse.h"
noahzwiep 32:69cd1390bc21 4
FiveDollar 0:b2b3955cd77b 5 #pragma once
FiveDollar 0:b2b3955cd77b 6 #include "mbed.h"
FiveDollar 0:b2b3955cd77b 7 #include "pulse.h"
FiveDollar 0:b2b3955cd77b 8
noahzwiep 32:69cd1390bc21 9 pulse::pulse():
noahzwiep 32:69cd1390bc21 10 atrialIn(A0), // Pin A0
noahzwiep 32:69cd1390bc21 11 ventricleIn(A1), // Pin A1
noahzwiep 32:69cd1390bc21 12 leadImpedence(A2), // Pin A2
noahzwiep 32:69cd1390bc21 13 atr_rect_signal(A3), // Pin A3
noahzwiep 32:69cd1390bc21 14 vent_rect_signal(A4), // Pin A4
noahzwiep 32:69cd1390bc21 15
noahzwiep 32:69cd1390bc21 16 /*=== Digital In ===*/
noahzwiep 32:69cd1390bc21 17 atria_cmp_detect(PTC16), // Pin D0
noahzwiep 32:69cd1390bc21 18 vent_cmp_detect(PTC17), // Pin D1
noahzwiep 32:69cd1390bc21 19
noahzwiep 32:69cd1390bc21 20 /*=== PWM Out ===*/
noahzwiep 32:69cd1390bc21 21 /* is used for the REF Signal
noahzwiep 32:69cd1390bc21 22 * due to absence of PWM capabilities of Pins D2 and D4
noahzwiep 32:69cd1390bc21 23 * on the FRDM-K64F Board
noahzwiep 32:69cd1390bc21 24 */
noahzwiep 32:69cd1390bc21 25 pacing_ref_pwm(PTB9), // Pin D2 (PTB9)
noahzwiep 32:69cd1390bc21 26 vent_ref_pwm(PTA1), // Pin D3
noahzwiep 32:69cd1390bc21 27 atria_ref_pwm(PTB23), // Pin D4
noahzwiep 32:69cd1390bc21 28
noahzwiep 32:69cd1390bc21 29
noahzwiep 32:69cd1390bc21 30 /*=== Digital Out ===*/
noahzwiep 32:69cd1390bc21 31 pace_charge_ctrl(PTA2), // Pin D5
noahzwiep 32:69cd1390bc21 32 z_atria_ctrl(PTC2), // Pin D6
noahzwiep 32:69cd1390bc21 33 z_vent_ctrl(PTC3), // Pin D7
noahzwiep 32:69cd1390bc21 34
noahzwiep 32:69cd1390bc21 35 atr_pace_ctrl(PTC12), // Pin D8
noahzwiep 32:69cd1390bc21 36 vent_pace_ctrl(PTC4), // Pin D9
noahzwiep 32:69cd1390bc21 37 pace_grnd_ctrl(PTD0), // Pin D10
noahzwiep 32:69cd1390bc21 38 atr_grnd_ctrl(PTD2), // Pin D11
noahzwiep 32:69cd1390bc21 39 vent_grnd_ctrl(PTD3), // Pin D12
noahzwiep 32:69cd1390bc21 40 frontend_ctrl(PTD1) // Pin D13
noahzwiep 32:69cd1390bc21 41 {}
FiveDollar 0:b2b3955cd77b 42
noahzwiep 32:69cd1390bc21 43 pulse::pulse(chamberData* chamber, hardware* IOpins):/*=== Analog In ===*/
noahzwiep 32:69cd1390bc21 44 atrialIn(A0), // Pin A0
noahzwiep 32:69cd1390bc21 45 ventricleIn(A1), // Pin A1
noahzwiep 32:69cd1390bc21 46 leadImpedence(A2), // Pin A2
noahzwiep 32:69cd1390bc21 47 atr_rect_signal(A3), // Pin A3
noahzwiep 32:69cd1390bc21 48 vent_rect_signal(A4), // Pin A4
noahzwiep 32:69cd1390bc21 49
noahzwiep 32:69cd1390bc21 50 /*=== Digital In ===*/
noahzwiep 32:69cd1390bc21 51 atria_cmp_detect(PTC16), // Pin D0
noahzwiep 32:69cd1390bc21 52 vent_cmp_detect(PTC17), // Pin D1
noahzwiep 32:69cd1390bc21 53
noahzwiep 32:69cd1390bc21 54 /*=== PWM Out ===*/
noahzwiep 32:69cd1390bc21 55 /* is used for the REF Signal
noahzwiep 32:69cd1390bc21 56 * due to absence of PWM capabilities of Pins D2 and D4
noahzwiep 32:69cd1390bc21 57 * on the FRDM-K64F Board
noahzwiep 32:69cd1390bc21 58 */
noahzwiep 32:69cd1390bc21 59 pacing_ref_pwm(PTB9), // Pin D2 (PTB9)
noahzwiep 32:69cd1390bc21 60 vent_ref_pwm(PTA1), // Pin D3
noahzwiep 32:69cd1390bc21 61 atria_ref_pwm(PTB23), // Pin D4
noahzwiep 32:69cd1390bc21 62
noahzwiep 32:69cd1390bc21 63
noahzwiep 32:69cd1390bc21 64 /*=== Digital Out ===*/
noahzwiep 32:69cd1390bc21 65 pace_charge_ctrl(PTA2), // Pin D5
noahzwiep 32:69cd1390bc21 66 z_atria_ctrl(PTC2), // Pin D6
noahzwiep 32:69cd1390bc21 67 z_vent_ctrl(PTC3), // Pin D7
noahzwiep 32:69cd1390bc21 68
noahzwiep 32:69cd1390bc21 69 atr_pace_ctrl(PTC12), // Pin D8
noahzwiep 32:69cd1390bc21 70 vent_pace_ctrl(PTC4), // Pin D9
noahzwiep 32:69cd1390bc21 71 pace_grnd_ctrl(PTD0), // Pin D10
noahzwiep 32:69cd1390bc21 72 atr_grnd_ctrl(PTD2), // Pin D11
noahzwiep 32:69cd1390bc21 73 vent_grnd_ctrl(PTD3), // Pin D12
noahzwiep 32:69cd1390bc21 74 frontend_ctrl(PTD1) // Pin D13
noahzwiep 32:69cd1390bc21 75 {
FiveDollar 0:b2b3955cd77b 76 myIOpins = IOpins;
FiveDollar 0:b2b3955cd77b 77 myChamber = chamber;
FiveDollar 2:fbba2687ddfe 78 // myPaceWidth = 0; //mSec, width of ventricular pace
FiveDollar 0:b2b3955cd77b 79 // myPaceAmp = 0; //mV, amplitude of ventricular pace
FiveDollar 0:b2b3955cd77b 80 // myRP = 0; //mSec, duration of refractory period
FiveDollar 0:b2b3955cd77b 81 // p_hysteresisInterval = 0;
FiveDollar 0:b2b3955cd77b 82 // p_lowrateInterval = 0;
FiveDollar 0:b2b3955cd77b 83 // p_hysteresis = false;
FiveDollar 0:b2b3955cd77b 84
FiveDollar 0:b2b3955cd77b 85 }
FiveDollar 0:b2b3955cd77b 86
FiveDollar 0:b2b3955cd77b 87 pulse::~pulse(){
FiveDollar 0:b2b3955cd77b 88 delete myChamber;
FiveDollar 0:b2b3955cd77b 89 delete myIOpins;
FiveDollar 0:b2b3955cd77b 90 delete pc;
FiveDollar 0:b2b3955cd77b 91 delete aOut;
FiveDollar 0:b2b3955cd77b 92 }
FiveDollar 0:b2b3955cd77b 93
trane3 21:fc6c33206152 94 //void pulse::setChamber(chamberData* c){
trane3 21:fc6c33206152 95 // myChamber = c;
trane3 21:fc6c33206152 96 // }
trane3 8:75c1dd8b0d61 97
noahzwiep 32:69cd1390bc21 98 void pulse::pace_charge_shutdown() {
noahzwiep 32:69cd1390bc21 99 /* Stage 1: Switch-OFF/Ground-ON */
noahzwiep 32:69cd1390bc21 100 atr_pace_ctrl.write(0);
noahzwiep 33:686a1a0c690f 101 vent_pace_ctrl.write(0);
noahzwiep 33:686a1a0c690f 102 atr_grnd_ctrl .write(1);
noahzwiep 33:686a1a0c690f 103 vent_grnd_ctrl.write(1);
noahzwiep 32:69cd1390bc21 104 wait_ms(50);
noahzwiep 32:69cd1390bc21 105
noahzwiep 32:69cd1390bc21 106
noahzwiep 32:69cd1390bc21 107 /* Stage 2: Ref PWM LOW */
noahzwiep 33:686a1a0c690f 108 pacing_ref_pwm.write(0);
noahzwiep 32:69cd1390bc21 109 wait_ms(100);
noahzwiep 32:69cd1390bc21 110
noahzwiep 32:69cd1390bc21 111 /* Stage 3: Charge CTRL off */
noahzwiep 33:686a1a0c690f 112 pace_charge_ctrl.write(0);
noahzwiep 32:69cd1390bc21 113 wait_ms(10);
noahzwiep 32:69cd1390bc21 114
noahzwiep 32:69cd1390bc21 115 /* Stage 4: Ground OFF */
noahzwiep 33:686a1a0c690f 116 atr_grnd_ctrl .write(0);
noahzwiep 33:686a1a0c690f 117 vent_grnd_ctrl.write(0);
noahzwiep 32:69cd1390bc21 118 }
noahzwiep 32:69cd1390bc21 119
noahzwiep 32:69cd1390bc21 120 void pulse::vent_pace_prime() {
noahzwiep 32:69cd1390bc21 121 /* Redundant code to close ground switches,
noahzwiep 32:69cd1390bc21 122 * prevents accidentally shorting the pacemaker
noahzwiep 32:69cd1390bc21 123 */
noahzwiep 33:686a1a0c690f 124 atr_grnd_ctrl .write(0);
noahzwiep 33:686a1a0c690f 125 vent_grnd_ctrl.write(0);
noahzwiep 32:69cd1390bc21 126
noahzwiep 32:69cd1390bc21 127 /* Stage 1: Ref PWM On */
noahzwiep 33:686a1a0c690f 128 pacing_ref_pwm.write(myChamber->getPaceAmp());
noahzwiep 32:69cd1390bc21 129 wait_ms(10);
noahzwiep 32:69cd1390bc21 130
noahzwiep 32:69cd1390bc21 131 /* Stage 2: Charge CTRL on */
noahzwiep 33:686a1a0c690f 132 pace_charge_ctrl.write(1);
noahzwiep 32:69cd1390bc21 133 wait_ms(10);
noahzwiep 32:69cd1390bc21 134 }
noahzwiep 32:69cd1390bc21 135
noahzwiep 32:69cd1390bc21 136 void pulse::atr_pace_prime() {
noahzwiep 32:69cd1390bc21 137 /* Redundant code to close ground switches,
noahzwiep 32:69cd1390bc21 138 * prevents accidentally shorting the pacemaker
noahzwiep 32:69cd1390bc21 139 */
noahzwiep 33:686a1a0c690f 140 atr_grnd_ctrl .write(0);
noahzwiep 33:686a1a0c690f 141 vent_grnd_ctrl.write(0);
noahzwiep 32:69cd1390bc21 142
noahzwiep 32:69cd1390bc21 143 /* Stage 4: Ref PWM On */
noahzwiep 33:686a1a0c690f 144 pacing_ref_pwm.write(myChamber->getPaceAmp());
noahzwiep 32:69cd1390bc21 145 wait_ms(10);
noahzwiep 32:69cd1390bc21 146
noahzwiep 32:69cd1390bc21 147 /* Stage 5: Charge CTRL on */
noahzwiep 33:686a1a0c690f 148 pace_charge_ctrl.write(1);
noahzwiep 32:69cd1390bc21 149 wait_ms(10);
noahzwiep 32:69cd1390bc21 150 }
noahzwiep 32:69cd1390bc21 151
noahzwiep 32:69cd1390bc21 152 void pulse::pace_vent(double pulse_width_us) {
noahzwiep 32:69cd1390bc21 153 vent_pace_prime();
noahzwiep 32:69cd1390bc21 154
noahzwiep 32:69cd1390bc21 155 // Begin Pace Event Output
noahzwiep 33:686a1a0c690f 156 vent_pace_ctrl.write(1);
noahzwiep 32:69cd1390bc21 157
noahzwiep 32:69cd1390bc21 158 // Pace Duration
noahzwiep 33:686a1a0c690f 159 Thread::wait(pulse_width_us);
noahzwiep 32:69cd1390bc21 160
noahzwiep 32:69cd1390bc21 161 // Shut off Pace
noahzwiep 33:686a1a0c690f 162 vent_pace_ctrl.write(0);
noahzwiep 32:69cd1390bc21 163
noahzwiep 32:69cd1390bc21 164 pace_charge_shutdown ();
noahzwiep 32:69cd1390bc21 165 }
noahzwiep 32:69cd1390bc21 166
noahzwiep 32:69cd1390bc21 167 void pulse::pace_atr(double pulse_width_us) {
noahzwiep 32:69cd1390bc21 168 atr_pace_prime();
noahzwiep 32:69cd1390bc21 169
noahzwiep 32:69cd1390bc21 170 // Begin Pace Event Output
noahzwiep 33:686a1a0c690f 171 atr_pace_ctrl.write(myChamber->getPaceAmp());
noahzwiep 32:69cd1390bc21 172
noahzwiep 32:69cd1390bc21 173 // Pace Duration
noahzwiep 33:686a1a0c690f 174 Thread::wait(pulse_width_us);
noahzwiep 32:69cd1390bc21 175
noahzwiep 32:69cd1390bc21 176 // Shut off Pace
noahzwiep 33:686a1a0c690f 177 atr_pace_ctrl.write(0);
noahzwiep 32:69cd1390bc21 178
noahzwiep 32:69cd1390bc21 179 pace_charge_shutdown ();
noahzwiep 32:69cd1390bc21 180 }
noahzwiep 32:69cd1390bc21 181
FiveDollar 0:b2b3955cd77b 182
FiveDollar 0:b2b3955cd77b 183 void pulse::startPulse(){
noahzwiep 32:69cd1390bc21 184 pulse::pace_charge_shutdown();
noahzwiep 32:69cd1390bc21 185 char a = myChamber->getChamberType();
noahzwiep 33:686a1a0c690f 186 if(a == 'a'){
noahzwiep 32:69cd1390bc21 187 pulse::pace_vent(myChamber->getPaceWidth());
noahzwiep 32:69cd1390bc21 188 }
noahzwiep 32:69cd1390bc21 189 else{
noahzwiep 32:69cd1390bc21 190 pulse::pace_vent(myChamber->getPaceWidth());
noahzwiep 33:686a1a0c690f 191 }
FiveDollar 0:b2b3955cd77b 192 }
FiveDollar 0:b2b3955cd77b 193