serial-led - serial-led PC --> serial --> pwm --> led1

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serial-led PC --> serial --> pwm --> led1

Dependencies: mbed

Fork of serial-test by Kentarou Shimatani

main.cpp@0:b1ba78fdcc98, 2011-06-17 (annotated)

User	Revision	Line number	New contents of line
peccu	0:b1ba78fdcc98	1	#include "mbed.h"
peccu	0:b1ba78fdcc98	2
peccu	0:b1ba78fdcc98	3	Serial pc(USBTX, USBRX); // tx, rx
peccu	0:b1ba78fdcc98	4	AnalogIn myinput(p20);
peccu	0:b1ba78fdcc98	5	PwmOut led(LED1);
peccu	0:b1ba78fdcc98	6
peccu	0:b1ba78fdcc98	7	float brightness = 0.0;
peccu	0:b1ba78fdcc98	8
peccu	0:b1ba78fdcc98	9	int main() {
peccu	0:b1ba78fdcc98	10	pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\r\n");
peccu	0:b1ba78fdcc98	11
peccu	0:b1ba78fdcc98	12	while(1) {
peccu	0:b1ba78fdcc98	13	pc.printf("Hello World! : %f\r\n",(float)myinput);
peccu	0:b1ba78fdcc98	14	char c = pc.getc();
peccu	0:b1ba78fdcc98	15	if((c == 'u') && (brightness < 0.5)) {
peccu	0:b1ba78fdcc98	16	brightness += 0.01;
peccu	0:b1ba78fdcc98	17	led = brightness;
peccu	0:b1ba78fdcc98	18	}
peccu	0:b1ba78fdcc98	19	if((c == 'd') && (brightness > 0.0)) {
peccu	0:b1ba78fdcc98	20	brightness -= 0.01;
peccu	0:b1ba78fdcc98	21	led = brightness;
peccu	0:b1ba78fdcc98	22	}
peccu	0:b1ba78fdcc98	23
peccu	0:b1ba78fdcc98	24	}
peccu	0:b1ba78fdcc98	25	}