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ardupilot/libraries/RC_Channel/RC_Channel_aux.cpp

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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#include "RC_Channel_aux.h"
#include <AP_Math/AP_Math.h>
#include <AP_HAL/AP_HAL.h>
extern const AP_HAL::HAL& hal;
const AP_Param::GroupInfo RC_Channel_aux::var_info[] = {
AP_NESTEDGROUPINFO(RC_Channel, 0),
// @Param: FUNCTION
// @DisplayName: Servo out function
// @Description: Setting this to Disabled(0) will setup this output for control by auto missions or MAVLink servo set commands. any other value will enable the corresponding function
// @Values: 0:Disabled,1:RCPassThru,2:Flap,3:Flap_auto,4:Aileron,6:mount_pan,7:mount_tilt,8:mount_roll,9:mount_open,10:camera_trigger,11:release,12:mount2_pan,13:mount2_tilt,14:mount2_roll,15:mount2_open,16:DifferentialSpoiler1,17:DifferentialSpoiler2,18:AileronWithInput,19:Elevator,20:ElevatorWithInput,21:Rudder,24:Flaperon1,25:Flaperon2,26:GroundSteering,27:Parachute,28:EPM,29:LandingGear,30:EngineRunEnable,31:HeliRSC,32:HeliTailRSC,33:Motor1,34:Motor2,35:Motor3,36:Motor4,37:Motor5,38:Motor6,39:Motor7,40:Motor8,51:RCIN1,52:RCIN2,53:RCIN3,54:RCIN4,55:RCIN5,56:RCIN6,57:RCIN7,58:RCIN8,59:RCIN9,60:RCIN10,61:RCIN11,62:RCIN12,63:RCIN13,64:RCIN14,65:RCIN15,66:RCIN16
// @User: Standard
AP_GROUPINFO("FUNCTION", 1, RC_Channel_aux, function, 0),
AP_GROUPEND
};
RC_Channel_aux *RC_Channel_aux::_aux_channels[RC_AUX_MAX_CHANNELS];
uint64_t RC_Channel_aux::_function_mask;
bool RC_Channel_aux::_initialised;
/// map a function to a servo channel and output it
void
RC_Channel_aux::output_ch(void)
{
// take care of two corner cases
switch(function)
{
case k_none: // disabled
return;
case k_manual: // manual
set_radio_out(get_radio_in());
break;
case k_rcin1 ... k_rcin16: // rc pass-thru
set_radio_out(hal.rcin->read(function-k_rcin1));
break;
case k_motor1 ... k_motor8:
// handled by AP_Motors::rc_write()
return;
}
hal.rcout->write(_ch_out, get_radio_out());
}
/*
call output_ch() on all auxiliary channels
*/
void
RC_Channel_aux::output_ch_all(void)
{
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i]) {
_aux_channels[i]->output_ch();
}
}
}
/*
prevent a channel from being used for auxiliary functions
This is used by the copter code to ensure channels used for motors
can't be used for auxiliary functions
*/
void RC_Channel_aux::disable_aux_channel(uint8_t channel)
{
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->_ch_out == channel) {
_aux_channels[i] = NULL;
}
}
}
/*
return the current function for a channel
*/
RC_Channel_aux::Aux_servo_function_t RC_Channel_aux::channel_function(uint8_t channel)
{
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->_ch_out == channel) {
return (RC_Channel_aux::Aux_servo_function_t)_aux_channels[i]->function.get();
}
}
return RC_Channel_aux::k_none;
}
/*
setup a channels aux servo function
*/
void RC_Channel_aux::aux_servo_function_setup(void)
{
switch (function) {
case RC_Channel_aux::k_flap:
case RC_Channel_aux::k_flap_auto:
case RC_Channel_aux::k_egg_drop:
set_range_out(0,100);
break;
case RC_Channel_aux::k_heli_rsc:
case RC_Channel_aux::k_heli_tail_rsc:
set_range_out(0,1000);
break;
case RC_Channel_aux::k_aileron_with_input:
case RC_Channel_aux::k_elevator_with_input:
set_angle(4500);
break;
case RC_Channel_aux::k_aileron:
case RC_Channel_aux::k_elevator:
case RC_Channel_aux::k_dspoiler1:
case RC_Channel_aux::k_dspoiler2:
case RC_Channel_aux::k_rudder:
case RC_Channel_aux::k_steering:
case RC_Channel_aux::k_flaperon1:
case RC_Channel_aux::k_flaperon2:
set_angle_out(4500);
break;
case RC_Channel_aux::k_motor_tilt:
// tenth percentage tilt
set_range_out(0,1000);
break;
default:
break;
}
if (function < k_nr_aux_servo_functions) {
_function_mask |= (1ULL<<(uint8_t)function);
}
}
/// Update the _aux_channels array of pointers to rc_x channels
/// This is to be done before rc_init so that the channels get correctly initialized.
/// It also should be called periodically because the user might change the configuration and
/// expects the changes to take effect instantly
/// Supports up to eight aux servo outputs (typically CH5 ... CH11)
/// All servos must be configured with a single call to this function
/// (do not call this twice with different parameters, the second call will reset the effect of the first call)
void RC_Channel_aux::update_aux_servo_function(void)
{
_function_mask = 0;
// set auxiliary ranges
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] == NULL) continue;
_aux_channels[i]->aux_servo_function_setup();
}
_initialised = true;
}
/// Should be called after the the servo functions have been initialized
void RC_Channel_aux::enable_aux_servos()
{
update_aux_servo_function();
// enable all channels that are not set to a valid function. This
// includes k_none servos, which allows those to get their initial
// trim value on startup
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i]) {
RC_Channel_aux::Aux_servo_function_t function = (RC_Channel_aux::Aux_servo_function_t)_aux_channels[i]->function.get();
// see if it is a valid function
if (function < RC_Channel_aux::k_nr_aux_servo_functions) {
_aux_channels[i]->enable_out();
}
}
}
}
/*
set radio_out for all channels matching the given function type
*/
void
RC_Channel_aux::set_radio(RC_Channel_aux::Aux_servo_function_t function, int16_t value)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_radio_out(value);
_aux_channels[i]->output();
}
}
}
/*
set radio_out for all channels matching the given function type, allow radio_trim to center servo
*/
void
RC_Channel_aux::set_radio_trimmed(RC_Channel_aux::Aux_servo_function_t function, int16_t value)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
int16_t value2 = value - 1500 + _aux_channels[i]->get_radio_trim();
_aux_channels[i]->set_radio_out(constrain_int16(value2,_aux_channels[i]->get_radio_min(),_aux_channels[i]->get_radio_max()));
_aux_channels[i]->output();
}
}
}
/*
set and save the trim value to radio_in for all channels matching
the given function type
*/
void
RC_Channel_aux::set_trim_to_radio_in_for(RC_Channel_aux::Aux_servo_function_t function)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
if (_aux_channels[i]->get_radio_in() != 0) {
_aux_channels[i]->set_radio_trim( _aux_channels[i]->get_radio_in());
_aux_channels[i]->save_radio_trim();
}
}
}
}
/*
set the radio_out value for any channel with the given function to radio_min
*/
void
RC_Channel_aux::set_radio_to_min(RC_Channel_aux::Aux_servo_function_t function)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_radio_out( _aux_channels[i]->get_radio_min());
_aux_channels[i]->output();
}
}
}
/*
set the radio_out value for any channel with the given function to radio_max
*/
void
RC_Channel_aux::set_radio_to_max(RC_Channel_aux::Aux_servo_function_t function)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_radio_out(_aux_channels[i]->get_radio_max());
_aux_channels[i]->output();
}
}
}
/*
set the radio_out value for any channel with the given function to radio_trim
*/
void
RC_Channel_aux::set_radio_to_trim(RC_Channel_aux::Aux_servo_function_t function)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_radio_out( _aux_channels[i]->get_radio_trim());
_aux_channels[i]->output();
}
}
}
/*
copy radio_in to radio_out for a given function
*/
void
RC_Channel_aux::copy_radio_in_out(RC_Channel_aux::Aux_servo_function_t function, bool do_input_output)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
if (do_input_output) {
_aux_channels[i]->input();
}
_aux_channels[i]->set_radio_out(_aux_channels[i]->get_radio_in());
if (do_input_output) {
_aux_channels[i]->output();
}
}
}
}
/*
set servo_out and call calc_pwm() for a given function
*/
void
RC_Channel_aux::set_servo_out_for(RC_Channel_aux::Aux_servo_function_t function, int16_t value)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_servo_out(value);
_aux_channels[i]->calc_pwm();
_aux_channels[i]->output();
}
}
}
/*
setup failsafe value for an auxiliary function type to a LimitValue
*/
void
RC_Channel_aux::set_servo_failsafe_pwm(RC_Channel_aux::Aux_servo_function_t function, uint16_t pwm)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
const RC_Channel_aux *ch = _aux_channels[i];
if (ch && ch->function.get() == function) {
hal.rcout->set_failsafe_pwm(1U<<ch->get_ch_out(), pwm);
}
}
}
/*
setup failsafe value for an auxiliary function type to a LimitValue
*/
void
RC_Channel_aux::set_servo_failsafe(RC_Channel_aux::Aux_servo_function_t function, RC_Channel::LimitValue limit)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
const RC_Channel_aux *ch = _aux_channels[i];
if (ch && ch->function.get() == function) {
uint16_t pwm = ch->get_limit_pwm(limit);
hal.rcout->set_failsafe_pwm(1U<<ch->get_ch_out(), pwm);
}
}
}
/*
set radio output value for an auxiliary function type to a LimitValue
*/
void
RC_Channel_aux::set_servo_limit(RC_Channel_aux::Aux_servo_function_t function, RC_Channel::LimitValue limit)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
RC_Channel_aux *ch = _aux_channels[i];
if (ch && ch->function.get() == function) {
uint16_t pwm = ch->get_limit_pwm(limit);
ch->set_radio_out(pwm);
if (ch->function.get() == k_manual) {
// in order for output_ch() to work for k_manual we
// also have to override radio_in
ch->set_radio_in(pwm);
}
if (ch->function.get() >= k_rcin1 && ch->function.get() <= k_rcin16) {
// save for k_rcin*
ch->set_radio_in(pwm);
}
}
}
}
/*
return true if a particular function is assigned to at least one RC channel
*/
bool
RC_Channel_aux::function_assigned(RC_Channel_aux::Aux_servo_function_t function)
{
if (function < k_nr_aux_servo_functions) {
return (_function_mask & (1ULL<<function)) != 0;
}
return false;
}
/*
set servo_out and angle_min/max, then calc_pwm and output a
value. This is used to move a AP_Mount servo
*/
void
RC_Channel_aux::move_servo(RC_Channel_aux::Aux_servo_function_t function,
int16_t value, int16_t angle_min, int16_t angle_max)
{
if (!function_assigned(function)) {
return;
}
for (uint8_t i = 0; i < RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function.get() == function) {
_aux_channels[i]->set_servo_out(value);
_aux_channels[i]->set_range(angle_min, angle_max);
_aux_channels[i]->calc_pwm();
_aux_channels[i]->output();
}
}
}
/*
set the default channel an auxiliary output function should be on
*/
bool RC_Channel_aux::set_aux_channel_default(RC_Channel_aux::Aux_servo_function_t function, uint8_t channel)
{
if (!_initialised) {
update_aux_servo_function();
}
if (function_assigned(function)) {
// already assigned
return true;
}
for (uint8_t i=0; i<RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->_ch_out == channel) {
if (_aux_channels[i]->function != k_none) {
if (_aux_channels[i]->function == function) {
return true;
}
hal.console->printf("Channel %u already assigned %u\n",
(unsigned)channel,
(unsigned)_aux_channels[i]->function);
return false;
}
_aux_channels[i]->function.set(function);
_aux_channels[i]->aux_servo_function_setup();
return true;
}
}
hal.console->printf("AUX channel %u not available\n",
(unsigned)channel);
return false;
}
// find first channel that a function is assigned to
bool RC_Channel_aux::find_channel(RC_Channel_aux::Aux_servo_function_t function, uint8_t &chan)
{
if (!_initialised) {
update_aux_servo_function();
}
if (!function_assigned(function)) {
return false;
}
for (uint8_t i=0; i<RC_AUX_MAX_CHANNELS; i++) {
if (_aux_channels[i] && _aux_channels[i]->function == function) {
chan = _aux_channels[i]->_ch_out;
return true;
}
}
return false;
}