void test_pca9685(PCA & pca) { //Rise float val = 0.0f; for(; val < 1.0; val += 0.001f) { for(unsigned i = 0; i < 15; ++i) pca.set_channel_pulse_width(i, val); } //Fall for(; val > 0.0; val -= 0.001f) for(unsigned i = 0; i < 15; ++i) pca.set_channel_pulse_width(i, val); }