From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Wed, 21 Nov 2012 22:08:22 +0000 (+0100)
Subject: lights.h: PWM_MAX for better measurements
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=commitdiff_plain;h=882a1052a66543451731cf54382e6765a376c358

lights.h: PWM_MAX for better measurements

The PWM frequency should be different than the ADC frequency (125 kHz)
in order to measure in different parts of the PWM cycle (I should have
added a low-pass filter to the ADC inputs, but whatever :-)
---

diff --git a/firmware/lights.h b/firmware/lights.h
index 2c1062c..d4efae1 100644
--- a/firmware/lights.h
+++ b/firmware/lights.h
@@ -28,7 +28,7 @@ void susp_adc();
 void timer_start_adcs();
 
 /* pwm.c */
-#define PWM_MAX 0x1FF
+#define PWM_MAX 0x1E4 /* This should be different than ADC frequency 125 kHz */
 
 void init_pwm();
 void susp_pwm();