test TTL
Revision 1:fd5a598caa32, committed 2019-05-23
- Comitter:
- mehrnaz
- Date:
- Thu May 23 14:39:11 2019 +0000
- Parent:
- 0:a13b440d4fd1
- Commit message:
- feno board
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Thu May 23 14:39:11 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/simon/code/TextLCD/#308d188a2d3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/flow.h Thu May 23 14:39:11 2019 +0000
@@ -0,0 +1,20 @@
+#include "mbed.h"
+
+AnalogIn flowadc(PC_4);
+
+float flowVal1;
+float flowVal2;
+float Pressure;
+float finalflow;
+
+float flow()
+{
+ while(1) {
+
+ flowVal1=3.3*flowadc; //Logic level 3.3
+ flowVal2 = 1.5*flowVal1; //5v
+ Pressure =(125*flowVal2)-62.5;
+ finalflow=(0.1989*sqrt(Pressure))+0.0284; //flow in litter per min
+ return finalflow;
+ }
+}
\ No newline at end of file
--- a/main.cpp Thu May 23 08:09:19 2019 +0000
+++ b/main.cpp Thu May 23 14:39:11 2019 +0000
@@ -1,15 +1,70 @@
#include "mbed.h"
-AnalogIn ain(A3);
+#include "flow.h"
+#include "TextLCD.h"
+
Serial ttl(PA_0, PA_1);
+PwmOut led(PB_6);
+TextLCD lcd(PC_8,PC_6,PB_15,PB_14,PB_13,PB_12, TextLCD::LCD16x2);
+
int main()
{
+ flow();
ttl.baud(9600);
- float x=0;
+
+ lcd.cls();
+ wait(0.001);
+ lcd.locate(3,0);
+ lcd.printf("|");
+ lcd.locate(4,0);
+ lcd.printf("|");
+
while(1) {
- x=3.3*ain; //Logic level 3.3
- ttl.printf("%f\n", x);
+
+ lcd.locate(8,0);
+ lcd.printf("f: %f\n", finalflow);
+
+ //ttl.printf("flow: %f\n", finalflow);
+ if (flow()<0.4)
+ {
+ lcd.locate(0,1);
+ lcd.printf("* ");
+ led.write(0.00f);
+ }
+ if (flow()>=0.4 and flow()<1.5)
+ {
+ lcd.locate(0,1);
+ lcd.printf("** ");
+ led.write(0.20f);
+ }
+ if (flow()>=1.5 and flow()<2.7)
+ {
+ lcd.locate(0,1);
+ lcd.printf("*** ");
+ led.write(0.40f);
+ }
+ if (flow()>=2.7 and flow()<3)
+ {
+ lcd.locate(0,1);
+ lcd.printf("**** ");
+ led.write(0.60f);
+ }
+ if (flow()>=3 and flow()<3.3)
+ {
+ lcd.locate(0,1);
+ lcd.printf("***** ");
+ led.write(0.80f);
+ }
+ if (flow()>=3.3)
+ {
+ lcd.locate(0,1);
+ lcd.printf("******");
+ led.write(1.00f);
+ }
+ // lcd.printf("%f\n", flow());
+ wait (0.2);
+
}
}