humidity1 -

Users » gbeardall » Code » humidity1

main.cpp@0:dba2bcefd284, 2011-08-24 (annotated)

User	Revision	Line number	New contents of line
gbeardall	0:dba2bcefd284	1	#include "mbed.h"
gbeardall	0:dba2bcefd284	2
gbeardall	0:dba2bcefd284	3	DigitalOut myled(LED1);
gbeardall	0:dba2bcefd284	4
gbeardall	0:dba2bcefd284	5	AnalogIn hum(p20);
gbeardall	0:dba2bcefd284	6	AnalogIn ref(p19);
gbeardall	0:dba2bcefd284	7
gbeardall	0:dba2bcefd284	8	float av[5] = {0,0,0,0,0};
gbeardall	0:dba2bcefd284	9
gbeardall	0:dba2bcefd284	10	int main() {
gbeardall	0:dba2bcefd284	11	while(1) {
gbeardall	0:dba2bcefd284	12
gbeardall	0:dba2bcefd284	13	float h = hum.read();
gbeardall	0:dba2bcefd284	14	float r = ref.read();
gbeardall	0:dba2bcefd284	15	float v = 5.0*h/r;
gbeardall	0:dba2bcefd284	16
gbeardall	0:dba2bcefd284	17	av[0] = av[1];
gbeardall	0:dba2bcefd284	18	av[1] = av[2];
gbeardall	0:dba2bcefd284	19	av[2] = av[3];
gbeardall	0:dba2bcefd284	20	av[3] = av[4];
gbeardall	0:dba2bcefd284	21	av[4] = v;
gbeardall	0:dba2bcefd284	22
gbeardall	0:dba2bcefd284	23	float a = (av[0]+av[1]+av[2]+av[3]+av[4])/5.0;
gbeardall	0:dba2bcefd284	24
gbeardall	0:dba2bcefd284	25	float m = (a-0.8)/3.0*100.0;
gbeardall	0:dba2bcefd284	26
gbeardall	0:dba2bcefd284	27	printf("h=%1.2f r=%1.2f %1.2f %1.2f %3.1f\n\r", h, r, v, a, m );
gbeardall	0:dba2bcefd284	28
gbeardall	0:dba2bcefd284	29	myled = 1;
gbeardall	0:dba2bcefd284	30	wait(0.2);
gbeardall	0:dba2bcefd284	31	myled = 0;
gbeardall	0:dba2bcefd284	32	wait(0.8);
gbeardall	0:dba2bcefd284	33	}
gbeardall	0:dba2bcefd284	34	}