X-Git-Url: http://dolda2000.com/gitweb/?p=kokare.git;a=blobdiff_plain;f=kokare.c;fp=kokare.c;h=8b3c2ba1d88ff1467a3bd1bbef050b4464cae005;hp=f98fd962dcf9890ad3508cfd9c08a2f93df5b0d2;hb=6e7ff37be658a7473747b84ade6acb05e9d54a01;hpb=6053709c2d9b5702addd95a567d244e48b20fa93 diff --git a/kokare.c b/kokare.c index f98fd96..8b3c2ba 100644 --- a/kokare.c +++ b/kokare.c @@ -228,10 +228,17 @@ void convcycle(void) * Theoretically: * t = RC * ln(2) => R = t / (C * ln(2)) * R = A * exp(B / T) => T = B / ln(R / A) - * T = B / ln(R / (A * C * ln(2))) - * In the following: + * T = B / ln(t / (A * C * ln(2))) + * Where: + * t = The measured time (s) + * R = The resistance of the thermistor (Ohm) + * C = The capacitance of the capacitor (F) + * T = The temperature (K) + * A, B are the thermistor-specific constants + * + * In the following code: * a = ttimea as float - * C = 1e6 / (A * C * ln(2)) + * C = 1e-6 / (A * C * ln(2)) * ra = a * C * l = ln(ra) * t = B / l