public void t2(PigpiodIf pigpiodIf, CancellationToken ct)
{
PigpiodIf.Callback callback = null;
try
{
int dc, f, r, rr, oc;
Console.WriteLine("\r\nPWM dutycycle/range/frequency tests.");
pigpiodIf.set_PWM_range(GPIO, 255);
pigpiodIf.set_PWM_frequency(GPIO, 0);
f = pigpiodIf.get_PWM_frequency(GPIO);
CHECK(2, 1, f, 10, 0, "set PWM range, set/get PWM frequency", ct);
int t2_count = 0;
callback = pigpiodIf.callback(GPIO, PigpiodIf.EITHER_EDGE, (gpio, level, tick, user) =>
{
t2_count++;
});
pigpiodIf.set_PWM_dutycycle(GPIO, 0);
dc = pigpiodIf.get_PWM_dutycycle(GPIO);
CHECK(2, 2, dc, 0, 0, "get PWM dutycycle", ct);
pigpiodIf.time_sleep(0.5); /* allow old notifications to flush */
oc = t2_count;
pigpiodIf.time_sleep(2);
f = t2_count - oc;
CHECK(2, 3, f, 0, 0, "set PWM dutycycle, callback", ct);
pigpiodIf.set_PWM_dutycycle(GPIO, 128);
dc = pigpiodIf.get_PWM_dutycycle(GPIO);
CHECK(2, 4, dc, 128, 0, "get PWM dutycycle", ct);
pigpiodIf.time_sleep(0.2);
oc = t2_count;
pigpiodIf.time_sleep(2);
f = t2_count - oc;
CHECK(2, 5, f, 40, 5, "set PWM dutycycle, callback", ct);
pigpiodIf.set_PWM_frequency(GPIO, 100);
f = pigpiodIf.get_PWM_frequency(GPIO);
CHECK(2, 6, f, 100, 0, "set/get PWM frequency", ct);
pigpiodIf.time_sleep(0.2);
oc = t2_count;
pigpiodIf.time_sleep(2);
f = t2_count - oc;
CHECK(2, 7, f, 400, 1, "callback", ct);
pigpiodIf.set_PWM_frequency(GPIO, 1000);
f = pigpiodIf.get_PWM_frequency(GPIO);
CHECK(2, 8, f, 1000, 0, "set/get PWM frequency", ct);
pigpiodIf.time_sleep(0.2);
oc = t2_count;
pigpiodIf.time_sleep(2);
f = t2_count - oc;
CHECK(2, 9, f, 4000, 1, "callback", ct);
r = pigpiodIf.get_PWM_range(GPIO);
CHECK(2, 10, r, 255, 0, "get PWM range", ct);
rr = pigpiodIf.get_PWM_real_range(GPIO);
CHECK(2, 11, rr, 200, 0, "get PWM real range", ct);
pigpiodIf.set_PWM_range(GPIO, 2000);
r = pigpiodIf.get_PWM_range(GPIO);
CHECK(2, 12, r, 2000, 0, "set/get PWM range", ct);
rr = pigpiodIf.get_PWM_real_range(GPIO);
CHECK(2, 13, rr, 200, 0, "get PWM real range", ct);
}
finally
{
pigpiodIf.set_PWM_dutycycle(GPIO, 0);
pigpiodIf.callback_cancel(callback);
}
}