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zr-v4/ArduSub/joystick.cpp

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#include "Sub.h"
// Functions that will handle joystick/gamepad input
// ----------------------------------------------------------------------------
// Anonymous namespace to hold variables used only in this file
namespace {
float cam_tilt = 1500.0;
int16_t lights1 = 1100;
int16_t lights2 = 1100;
int16_t rollTrim = 0;
int16_t pitchTrim = 0;
int16_t zTrim = 0;
int16_t xTrim = 0;
int16_t yTrim = 0;
int16_t video_switch = 1100;
int16_t x_last, y_last, z_last;
uint16_t buttons_prev;
float gain;
// Servo control output channels
// TODO: Allow selecting output channels
const uint8_t SERVO_CHAN_1 = 9; // Pixhawk Aux1
const uint8_t SERVO_CHAN_2 = 10; // Pixhawk Aux2
const uint8_t SERVO_CHAN_3 = 11; // Pixhawk Aux3
uint8_t roll_pitch_flag = false; // Flag to adjust roll/pitch instead of forward/lateral
}
void Sub::init_joystick()
{
default_js_buttons();
set_mode(MANUAL, MODE_REASON_TX_COMMAND); // Initialize flight mode
if (g.numGainSettings < 1) {
g.numGainSettings.set_and_save(1);
}
if (g.numGainSettings == 1 || (g.gain_default < g.maxGain + 0.01 && g.gain_default > g.minGain - 0.01)) {
gain = constrain_float(g.gain_default, g.minGain, g.maxGain); // Use default gain parameter
} else {
// Use setting closest to average of minGain and maxGain
gain = g.minGain + (g.numGainSettings/2 - 1) * (g.maxGain - g.minGain) / (g.numGainSettings - 1);
}
gain = constrain_float(gain, 0.1, 1.0);
}
void Sub::transform_manual_control_to_rc_override(int16_t x, int16_t y, int16_t z, int16_t r, uint16_t buttons)
{
int16_t channels[11];
uint32_t tnow_ms = millis();
float rpyScale = 0.4*gain; // Scale -1000-1000 to -400-400 with gain
float throttleScale = 0.8*gain*g.throttle_gain; // Scale 0-1000 to 0-800 times gain
int16_t rpyCenter = 1500;
int16_t throttleBase = 1500-500*throttleScale;
bool shift = false;
static uint32_t buttonDebounce;
// Debouncing timer
if (tnow_ms - buttonDebounce > 100) {
// Detect if any shift button is pressed
for (uint8_t i = 0 ; i < 16 ; i++) {
if ((buttons & (1 << i)) && get_button(i)->function() == JSButton::button_function_t::k_shift) {
shift = true;
}
}
// Act if button is pressed
// Only act upon pressing button and ignore holding. This provides compatibility with Taranis as joystick.
for (uint8_t i = 0 ; i < 16 ; i++) {
if ((buttons & (1 << i))) {
handle_jsbutton_press(i,shift,(buttons_prev & (1 << i)));
buttonDebounce = tnow_ms;
}
}
buttons_prev = buttons;
}
// Set channels to override
if (!roll_pitch_flag) {
channels[0] = 1500 + pitchTrim; // pitch
channels[1] = 1500 + rollTrim; // roll
} else {
// adjust roll and pitch with joystick input instead of forward and lateral
channels[0] = constrain_int16((x+pitchTrim)*rpyScale+rpyCenter,1100,1900);
channels[1] = constrain_int16((y+rollTrim)*rpyScale+rpyCenter,1100,1900);
}
channels[2] = constrain_int16((z+zTrim)*throttleScale+throttleBase,1100,1900); // throttle
channels[3] = constrain_int16(r*rpyScale+rpyCenter,1100,1900); // yaw
if (!roll_pitch_flag) {
// adjust forward and lateral with joystick input instead of roll and pitch
channels[4] = constrain_int16((x+xTrim)*rpyScale+rpyCenter,1100,1900); // forward for ROV
channels[5] = constrain_int16((y+yTrim)*rpyScale+rpyCenter,1100,1900); // lateral for ROV
} else {
// neutralize forward and lateral input while we are adjusting roll and pitch
channels[4] = constrain_int16(xTrim*rpyScale+rpyCenter,1100,1900); // forward for ROV
channels[5] = constrain_int16(yTrim*rpyScale+rpyCenter,1100,1900); // lateral for ROV
}
channels[6] = 0; // Unused
channels[7] = cam_tilt; // camera tilt
channels[8] = lights1; // lights 1
channels[9] = lights2; // lights 2
channels[10] = video_switch; // video switch
// Store old x, y, z values for use in input hold logic
x_last = x;
y_last = y;
z_last = z;
hal.rcin->set_overrides(channels, 10);
}
void Sub::handle_jsbutton_press(uint8_t button, bool shift, bool held)
{
// Act based on the function assigned to this button
switch (get_button(button)->function(shift)) {
case JSButton::button_function_t::k_arm_toggle:
if (motors.armed()) {
init_disarm_motors();
} else {
init_arm_motors(true);
}
break;
case JSButton::button_function_t::k_arm:
init_arm_motors(true);
break;
case JSButton::button_function_t::k_disarm:
init_disarm_motors();
break;
case JSButton::button_function_t::k_mode_manual:
set_mode(MANUAL, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_stabilize:
set_mode(STABILIZE, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_depth_hold:
set_mode(ALT_HOLD, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_auto:
set_mode(AUTO, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_guided:
set_mode(GUIDED, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_circle:
set_mode(CIRCLE, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_acro:
set_mode(ACRO, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mode_poshold:
set_mode(POSHOLD, MODE_REASON_TX_COMMAND);
break;
case JSButton::button_function_t::k_mount_center:
cam_tilt = g.cam_tilt_center;
break;
case JSButton::button_function_t::k_mount_tilt_up: {
uint8_t i;
// Find the first aux channel configured as mount tilt, if any
if (SRV_Channels::find_channel(SRV_Channel::k_mount_tilt, i)) {
// Get the channel output limits
SRV_Channel *ch = SRV_Channels::srv_channel(i);
uint16_t min = ch->get_output_min();
uint16_t max = ch->get_output_max();
cam_tilt = constrain_int16(cam_tilt-g.cam_tilt_step,min,max);
}
}
break;
case JSButton::button_function_t::k_mount_tilt_down: {
uint8_t i;
// Find the first aux channel configured as mount tilt, if any
if (SRV_Channels::find_channel(SRV_Channel::k_mount_tilt, i)) {
// Get the channel output limits
SRV_Channel *ch = SRV_Channels::srv_channel(i);
uint16_t min = ch->get_output_min();
uint16_t max = ch->get_output_max();
cam_tilt = constrain_int16(cam_tilt+g.cam_tilt_step,min,max);
}
}
break;
case JSButton::button_function_t::k_camera_trigger:
break;
case JSButton::button_function_t::k_camera_source_toggle:
if (!held) {
static bool video_toggle = false;
video_toggle = !video_toggle;
if (video_toggle) {
video_switch = 1900;
gcs_send_text(MAV_SEVERITY_INFO,"Video Toggle: Source 2");
} else {
video_switch = 1100;
gcs_send_text(MAV_SEVERITY_INFO,"Video Toggle: Source 1");
}
}
break;
case JSButton::button_function_t::k_mount_pan_right:
// Not implemented
break;
case JSButton::button_function_t::k_mount_pan_left:
// Not implemented
break;
case JSButton::button_function_t::k_lights1_cycle:
if (!held) {
static bool increasing = true;
if (increasing) {
lights1 = constrain_float(lights1+g.lights_step,1100,1900);
} else {
lights1 = constrain_float(lights1-g.lights_step,1100,1900);
}
if (lights1 >= 1900 || lights1 <= 1100) {
increasing = !increasing;
}
}
break;
case JSButton::button_function_t::k_lights1_brighter:
if (!held) {
lights1 = constrain_float(lights1+g.lights_step,1100,1900);
}
break;
case JSButton::button_function_t::k_lights1_dimmer:
if (!held) {
lights1 = constrain_float(lights1-g.lights_step,1100,1900);
}
break;
case JSButton::button_function_t::k_lights2_cycle:
if (!held) {
static bool increasing = true;
if (increasing) {
lights2 = constrain_float(lights2+g.lights_step,1100,1900);
} else {
lights2 = constrain_float(lights2-g.lights_step,1100,1900);
}
if (lights2 >= 1900 || lights2 <= 1100) {
increasing = !increasing;
}
}
break;
case JSButton::button_function_t::k_lights2_brighter:
if (!held) {
lights2 = constrain_float(lights2+g.lights_step,1100,1900);
}
break;
case JSButton::button_function_t::k_lights2_dimmer:
if (!held) {
lights2 = constrain_float(lights2-g.lights_step,1100,1900);
}
break;
case JSButton::button_function_t::k_gain_toggle:
if (!held) {
static bool lowGain = false;
lowGain = !lowGain;
if (lowGain) {
gain = 0.5f;
} else {
gain = 1.0f;
}
gcs_send_text_fmt(MAV_SEVERITY_INFO,"#Gain: %2.0f%%",(double)gain*100);
}
break;
case JSButton::button_function_t::k_gain_inc:
if (!held) {
// check that our gain parameters are in correct range, update in eeprom and notify gcs if needed
g.minGain.set_and_save(constrain_float(g.minGain, 0.10, 0.80));
g.maxGain.set_and_save(constrain_float(g.maxGain, g.minGain, 1.0));
g.numGainSettings.set_and_save(constrain_int16(g.numGainSettings, 1, 10));
if (g.numGainSettings == 1) {
gain = constrain_float(g.gain_default, g.minGain, g.maxGain);
} else {
gain = constrain_float(gain + (g.maxGain-g.minGain)/(g.numGainSettings-1), g.minGain, g.maxGain);
}
gcs_send_text_fmt(MAV_SEVERITY_INFO,"#Gain is %2.0f%%",(double)gain*100);
}
break;
case JSButton::button_function_t::k_gain_dec:
if (!held) {
// check that our gain parameters are in correct range, update in eeprom and notify gcs if needed
g.minGain.set_and_save(constrain_float(g.minGain, 0.10, 0.80));
g.maxGain.set_and_save(constrain_float(g.maxGain, g.minGain, 1.0));
g.numGainSettings.set_and_save(constrain_int16(g.numGainSettings, 1, 10));
if (g.numGainSettings == 1) {
gain = constrain_float(g.gain_default, g.minGain, g.maxGain);
} else {
gain = constrain_float(gain - (g.maxGain-g.minGain)/(g.numGainSettings-1), g.minGain, g.maxGain);
}
gcs_send_text_fmt(MAV_SEVERITY_INFO,"#Gain is %2.0f%%",(double)gain*100);
}
break;
case JSButton::button_function_t::k_trim_roll_inc:
rollTrim = constrain_float(rollTrim+10,-200,200);
break;
case JSButton::button_function_t::k_trim_roll_dec:
rollTrim = constrain_float(rollTrim-10,-200,200);
break;
case JSButton::button_function_t::k_trim_pitch_inc:
pitchTrim = constrain_float(pitchTrim+10,-200,200);
break;
case JSButton::button_function_t::k_trim_pitch_dec:
pitchTrim = constrain_float(pitchTrim-10,-200,200);
break;
case JSButton::button_function_t::k_input_hold_toggle:
if (!held) {
zTrim = z_last-500;
xTrim = x_last;
yTrim = y_last;
gcs_send_text(MAV_SEVERITY_INFO,"#Input Hold Set");
}
break;
case JSButton::button_function_t::k_relay_1_on:
relay.on(0);
break;
case JSButton::button_function_t::k_relay_1_off:
relay.off(0);
break;
case JSButton::button_function_t::k_relay_1_toggle:
if (!held) {
relay.toggle(0);
}
break;
case JSButton::button_function_t::k_relay_2_on:
relay.on(1);
break;
case JSButton::button_function_t::k_relay_2_off:
relay.off(1);
break;
case JSButton::button_function_t::k_relay_2_toggle:
if (!held) {
relay.toggle(1);
}
break;
////////////////////////////////////////////////
// Servo functions
// TODO: initialize
case JSButton::button_function_t::k_servo_1_inc:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_1 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_1 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out + 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_1, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_1_dec:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_1 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_1 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out - 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_1, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_1_min:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_1 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_1, chan->get_output_min()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_1_max:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_1 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_1, chan->get_output_max()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_1_center:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_1 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_1, chan->get_trim()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_2_inc:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_2 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_2 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out + 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_2, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_2_dec:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_2 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_2 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out - 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_2, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_2_min:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_2 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_2, chan->get_output_min()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_2_max:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_2 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_2, chan->get_output_max()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_2_center:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_2 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_2, chan->get_trim()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_3_inc:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_3 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_3 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out + 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_3, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_3_dec:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_3 - 1); // 0-indexed
uint16_t pwm_out = hal.rcout->read(SERVO_CHAN_3 - 1); // 0-indexed
pwm_out = constrain_int16(pwm_out - 50, chan->get_output_min(), chan->get_output_max());
ServoRelayEvents.do_set_servo(SERVO_CHAN_3, pwm_out); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_3_min:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_3 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_3, chan->get_output_min()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_3_max:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_3 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_3, chan->get_output_max()); // 1-indexed
}
break;
case JSButton::button_function_t::k_servo_3_center:
{
SRV_Channel* chan = SRV_Channels::srv_channel(SERVO_CHAN_3 - 1); // 0-indexed
ServoRelayEvents.do_set_servo(SERVO_CHAN_3, chan->get_trim()); // 1-indexed
}
break;
case JSButton::button_function_t::k_roll_pitch_toggle:
if (!held) {
roll_pitch_flag = !roll_pitch_flag;
}
break;
case JSButton::button_function_t::k_custom_1:
// Not implemented
break;
case JSButton::button_function_t::k_custom_2:
// Not implemented
break;
case JSButton::button_function_t::k_custom_3:
// Not implemented
break;
case JSButton::button_function_t::k_custom_4:
// Not implemented
break;
case JSButton::button_function_t::k_custom_5:
// Not implemented
break;
case JSButton::button_function_t::k_custom_6:
// Not implemented
break;
}
}
JSButton* Sub::get_button(uint8_t index)
{
// Help to access appropriate parameter
switch (index) {
case 0:
return &g.jbtn_0;
case 1:
return &g.jbtn_1;
case 2:
return &g.jbtn_2;
case 3:
return &g.jbtn_3;
case 4:
return &g.jbtn_4;
case 5:
return &g.jbtn_5;
case 6:
return &g.jbtn_6;
case 7:
return &g.jbtn_7;
case 8:
return &g.jbtn_8;
case 9:
return &g.jbtn_9;
case 10:
return &g.jbtn_10;
case 11:
return &g.jbtn_11;
case 12:
return &g.jbtn_12;
case 13:
return &g.jbtn_13;
case 14:
return &g.jbtn_14;
case 15:
return &g.jbtn_15;
default:
return &g.jbtn_0;
}
}
void Sub::default_js_buttons()
{
JSButton::button_function_t defaults[16][2] = {
{JSButton::button_function_t::k_none, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mode_manual, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mode_depth_hold, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mode_stabilize, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_disarm, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_shift, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_arm, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mount_center, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_input_hold_toggle, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mount_tilt_down, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_mount_tilt_up, JSButton::button_function_t::k_none},
{JSButton::button_function_t::k_gain_inc, JSButton::button_function_t::k_trim_pitch_dec},
{JSButton::button_function_t::k_gain_dec, JSButton::button_function_t::k_trim_pitch_inc},
{JSButton::button_function_t::k_lights1_dimmer, JSButton::button_function_t::k_trim_roll_dec},
{JSButton::button_function_t::k_lights1_brighter, JSButton::button_function_t::k_trim_roll_inc},
{JSButton::button_function_t::k_none, JSButton::button_function_t::k_none},
};
for (int i = 0; i < 16; i++) {
get_button(i)->set_default(defaults[i][0], defaults[i][1]);
}
}
void Sub::set_neutral_controls()
{
int16_t channels[11];
for (uint8_t i = 0; i < 6; i++) {
channels[i] = 1500;
}
for (uint8_t i = 6; i < 11; i++) {
channels[i] = 0xffff;
}
channels[4] = 0xffff; // Leave mode switch where it was
hal.rcin->set_overrides(channels, 10);
}