diff --git a/libraries/AC_PID/examples/AC_PID_test/AC_PID_test.cpp b/libraries/AC_PID/examples/AC_PID_test/AC_PID_test.cpp index 15ef493554..8def94d3cc 100644 --- a/libraries/AC_PID/examples/AC_PID_test/AC_PID_test.cpp +++ b/libraries/AC_PID/examples/AC_PID_test/AC_PID_test.cpp @@ -76,8 +76,8 @@ void loop() // display PID gains hal.console->printf("P %f I %f D %f imax %f\n", (double)pid.kP(), (double)pid.kI(), (double)pid.kD(), (double)pid.imax()); - RC_Channel *ch = rc().channel(0); - if (ch == nullptr) { + RC_Channel *c = rc().channel(0); + if (c == nullptr) { while (true) { hal.console->printf("No channel 0?"); hal.scheduler->delay(1000); @@ -85,11 +85,11 @@ void loop() } // capture radio trim - const uint16_t radio_trim = ch->get_radio_in(); + const uint16_t radio_trim = c->get_radio_in(); while (true) { rc().read_input(); // poll the radio for new values - const uint16_t radio_in = ch->get_radio_in(); + const uint16_t radio_in = c->get_radio_in(); const int16_t error = radio_in - radio_trim; pid.set_input_filter_all(error); const float control_P = pid.get_p();