altitude_TP - S-240 高度計のプログラム

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S-240 高度計のプログラム

main.cpp@0:733ff8649dbe, 2017-11-14 (annotated)

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User	Revision	Line number	New contents of line
Joeatsumi	0:733ff8649dbe	1	#include "mbed.h"
Joeatsumi	0:733ff8649dbe	2	/*For the 10 meter sensors (MB1260, MB1261, MB1360, MB1361),
Joeatsumi	0:733ff8649dbe	3	this pin outputs analog voltage with a scaling factor of (Vcc/1024) per 2 cm.
Joeatsumi	0:733ff8649dbe	4	A supply of 5V yields ~4.9mV/2cm., and 3.3V yields ~3.2mV/2cm.
Joeatsumi	0:733ff8649dbe	5	The output is buffered and corresponds to the most recent range data*/
Joeatsumi	0:733ff8649dbe	6
Joeatsumi	0:733ff8649dbe	7	DigitalOut myled(LED1);
Joeatsumi	0:733ff8649dbe	8
Joeatsumi	0:733ff8649dbe	9	AnalogIn vin(p15);
Joeatsumi	0:733ff8649dbe	10
Joeatsumi	0:733ff8649dbe	11	double ain=0;
Joeatsumi	0:733ff8649dbe	12
Joeatsumi	0:733ff8649dbe	13	int main() {
Joeatsumi	0:733ff8649dbe	14	while(1) {
Joeatsumi	0:733ff8649dbe	15	myled=1;
Joeatsumi	0:733ff8649dbe	16	ain=vin.read()*3.3;
Joeatsumi	0:733ff8649dbe	17	printf("ain=%.4fV,altitude=%.1fm\r\n",ain,ain*1000/1.6/100);
Joeatsumi	0:733ff8649dbe	18	/* printf("ain=%.4fV,altitude=%.1fm\r\n",ain,ain1000/2.45/100);/
Joeatsumi	0:733ff8649dbe	19
Joeatsumi	0:733ff8649dbe	20	wait(0.5);
Joeatsumi	0:733ff8649dbe	21
Joeatsumi	0:733ff8649dbe	22
Joeatsumi	0:733ff8649dbe	23	}
Joeatsumi	0:733ff8649dbe	24	}