Eric Glunn
Contains all code needed for analog digital and oscope
Diff: main.cpp
- Revision:
- 2:9a88de905577
- Parent:
- 1:14e49afb1d7c
- Child:
- 3:60f30ca6a65d
diff -r 14e49afb1d7c -r 9a88de905577 main.cpp
--- a/main.cpp Tue Apr 21 00:07:44 2020 +0000
+++ b/main.cpp Tue Apr 21 03:31:20 2020 +0000
@@ -1,21 +1,38 @@
#include "mbed.h"
-#define reset 0b00000000 //Define masks
+
+#define reset 0b00000000 //Define function masks
#define digital 0b00100000
#define analog 0b01000000
#define I2C 0b01100000
-#define stateMask 0b11100000
+#define oScope 0b10000000
+
+#define stateMask 0b11100000 //general masks
#define pinMask 0b00011111
-#define pin1 0b00010000
+#define FULL 0b11111111
+
+#define pin1 0b00010000 //digital and analog masks
#define pin2 0b00001000
#define pin3 0b00000100
#define pin4 0b00000010
#define pin5 0b00000001
-#define FULL 0b11111111
+#define ms1 0b00000000 //Oscope masks
+#define ms5 0b00000001
+#define ms10 0b00000010
+#define ms50 0b00000011
+#define ms100 0b00000100
+#define ms250 0b00000101
+#define ms500 0b00000110
+#define ms1000 0b00000111
+#define rise 0b00010000
+#define fall 0b00000000
+#define timeMask 0b00001111
+#define trigger 0b00010000
DigitalOut myled(LED1);
DigitalOut DigitalStatus(LED2); //Led for when Digital read is running
DigitalOut AnalogStatus(LED3); //LED for when Analog read is running
+DigitalOut oScopeStatus(LED4); //LED for Oscilloscope
DigitalIn d1(p21); //Always set these pins for digital in
DigitalIn d2(p22);
@@ -23,124 +40,216 @@
DigitalIn d4(p24);
DigitalIn d5(p25);
-AnalogIn a1(p16); //Always set these pins for analog in
+
+AnalogIn a1(p16); //Always set these pins for analog in
AnalogIn a2(p17);
AnalogIn a3(p18);
AnalogIn a4(p19);
AnalogIn a5(p20);
-Serial PC(USBTX,USBRX);
+Serial PC(USBTX,USBRX);
Ticker tickerboi; //Initialize the ticker for Sampling
+Ticker oScopeTicker;
+Ticker oScopeCut;
+
volatile unsigned char DigitalSample;
volatile unsigned char AnalogSample[5];
-volatile bool DigitalRunning;
-volatile bool AnalogRunning;
-
volatile unsigned char command;
volatile unsigned char state;
volatile bool newDigital=false;
volatile bool newAnalog=false;
-
-
-void digital_sample_func(void){ //sampling function, samples each pin specified and Ors it
+volatile unsigned char oScopeTime;
+volatile bool oScope_poll;
+volatile bool newoScope=false;
+volatile unsigned char oScopeArray[20000];
+volatile int oScopeCount=0;
+
+
+void digital_sample_func(void) //sampling function, samples each pin specified and Ors it
+{
DigitalSample = digital;
-
- if( (command & pin1) == pin1){
+
+ if( (command & pin1) == pin1) {
DigitalSample=DigitalSample + d1*pin1;
}
- if( (command & pin2) == pin2){
+ if( (command & pin2) == pin2) {
DigitalSample=DigitalSample + d2*pin2;
}
- if( (command & pin3) == pin3){
+ if( (command & pin3) == pin3) {
DigitalSample=DigitalSample + d3*pin3;
}
- if( (command & pin4) == pin4){
+ if( (command & pin4) == pin4) {
DigitalSample=DigitalSample + d4*pin4;
}
- if( (command & pin5) == pin5){
+ if( (command & pin5) == pin5) {
DigitalSample=DigitalSample + d5*pin5;
}
newDigital=true;
}
-void analog_sample_func(void){
- for(int i=0; i<5; i++){
- AnalogSample[i]=0;
+void analog_sample_func(void)
+{
+ for(int i=0; i<5; i++) {
+ AnalogSample[i]=0;
}
- if( (command & pin1) == pin1){
+ if( (command & pin1) == pin1) {
AnalogSample[0]=a1*254;
}
- if( (command & pin2) == pin2){
+ if( (command & pin2) == pin2) {
AnalogSample[1]=a2 * 254;
}
- if( (command & pin3) == pin3){
+ if( (command & pin3) == pin3) {
AnalogSample[2]=a3*254;
}
- if( (command & pin4) == pin4){
+ if( (command & pin4) == pin4) {
AnalogSample[3]=a4*254;
}
- if( (command & pin5) == pin5){
+ if( (command & pin5) == pin5) {
AnalogSample[4]=a5*254;
}
- newAnalog=true;
+ newAnalog=true;
+}
+
+
+void oScope_kill_func(void)
+{
+ oScopeTicker.detach();
+ oScopeCut.detach();
+ newoScope=true;
+ oScopeStatus=0;
+}
+
+void oScope_sample_func(void){
+ oScopeArray[oScopeCount]=a1*254;
+ oScopeCount++;
+}
+
+void oScope_poll_trig(){
+ float first, second;
+ bool run_poll =true;
+ while(run_poll){
+ first = a1;
+ wait (.001);
+ second=a1;
+ if( (second - first)>.1){run_poll = false;}
+ }
+
+ switch(oScopeTime) {
+
+ case ms1:
+ oScopeCut.attach(oScope_kill_func, .001);
+ break;
+
+ case ms5:
+ oScopeCut.attach(oScope_kill_func, .005);
+ break;
+
+ case ms10:
+ oScopeCut.attach(oScope_kill_func, .01);
+ break;
+
+ case ms50:
+ oScopeCut.attach(oScope_kill_func, .05);
+ break;
+
+ case ms100:
+ oScopeCut.attach(oScope_kill_func, .1);
+ break;
+
+ case ms250:
+ oScopeCut.attach(oScope_kill_func, .25);
+ break;
+
+ case ms500:
+ oScopeCut.attach(oScope_kill_func, .5);
+ break;
+
+ case ms1000:
+ oScopeCut.attach(oScope_kill_func, 1);
+ break;
+ }
+
+ oScopeTicker.attach_us(oScope_sample_func, 50);
}
-void SerialInterrupt(void){
- command=PC.getc();
- state= command & stateMask;
- switch(state){
- case reset:
- tickerboi.detach(); //detach Ticker
- DigitalRunning=false; //turn off status LED
- AnalogRunning=false;
+void SerialInterrupt(void)
+{
+ command=PC.getc();
+ state= command & stateMask;
+
+ switch(state) {
+ case reset:
+ tickerboi.detach(); //detach Ticker
+ DigitalStatus=0; //turn off status LED
+ AnalogStatus=0;
+ if(oScopeStatus){
+ oScope_kill_func();
+ }
+
break;
-
- case digital:
- tickerboi.attach(&digital_sample_func, .1); //Ticker will call digital read every 100 ms
- DigitalRunning=true; // turn on status LED
- break;
-
- case analog:
- tickerboi.attach(&analog_sample_func, 1); //Ticker will call analog read every 10ms
- AnalogRunning=true;
- }
+
+ case digital:
+ tickerboi.attach(&digital_sample_func, .5);
+ DigitalStatus=1; // turn on status LED
+ break;
+
+ case analog:
+ tickerboi.attach(&analog_sample_func, .5);
+ AnalogStatus=1;
+
+ case oScope:
+ oScopeTime=command & timeMask;
+ oScope_poll=true;
+ oScopeStatus=1;
+ break;
+ }
}
-int main() {
- PC.attach(&SerialInterrupt, Serial::RxIrq);
+int main()
+{
+ PC.attach(&SerialInterrupt, Serial::RxIrq);
-
+
while(1) {
-
- DigitalStatus=DigitalRunning; //Indicate DigitalRead is running
- AnalogStatus=AnalogRunning; //Indicate analogRead is running
-
- if(newDigital){ //if digital sampling was run
+
+ if(newDigital) { //if digital sampling was run
PC.putc(DigitalSample);
newDigital=false;
}
-
- if(newAnalog){ //if analog sampling was run
- PC.putc(FULL); //First bit is 0b01000000
- for(int i=0; i<5; i++){ //Send all of the analog bits
- PC.putc(AnalogSample[i]);
+
+ if(newAnalog) { //if analog sampling was run
+ PC.putc(FULL); //First bit is 0b01000000
+ for(int i=0; i<5; i++) { //Send all of the analog bits
+ PC.putc(AnalogSample[i]);
}
PC.putc(command); //Last bit is command from PC
newAnalog=false;
}
+ if(oScope_poll){ oScope_poll_trig(); }
+
+ if(newoScope){
+ PC.putc(FULL);
+ for(int j=0; j<=oScopeCount; j++){
+ PC.putc(oScopeArray[oScopeCount]);
+ }
+ oScopeCount=0;
+ newoScope=false;
+ }
+
+
myled = 1; //indicate main loop is running
wait(0.2);
myled = 0;
- wait(0.2);
+ wait(0.2);
}
}