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ardupilot/ArduSub/switches.cpp

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#include "Sub.h"
#define CONTROL_SWITCH_DEBOUNCE_TIME_MS 200
//Documentation of Aux Switch Flags:
static union {
struct {
uint8_t CH6_flag : 2; // 0, 1 // ch6 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH7_flag : 2; // 2, 3 // ch7 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH8_flag : 2; // 4, 5 // ch8 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH9_flag : 2; // 6, 7 // ch9 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH10_flag : 2; // 8, 9 // ch10 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH11_flag : 2; // 10,11 // ch11 aux switch : 0 is low or false, 1 is center or true, 2 is high
uint8_t CH12_flag : 2; // 12,13 // ch12 aux switch : 0 is low or false, 1 is center or true, 2 is high
};
uint32_t value;
} aux_con;
// check_if_auxsw_mode_used - Check to see if any of the Aux Switches are set to a given mode.
bool Sub::check_if_auxsw_mode_used(uint8_t auxsw_mode_check)
{
bool ret = g.ch7_option == auxsw_mode_check || g.ch8_option == auxsw_mode_check || g.ch9_option == auxsw_mode_check
|| g.ch10_option == auxsw_mode_check || g.ch11_option == auxsw_mode_check || g.ch12_option == auxsw_mode_check;
return ret;
}
// check_duplicate_auxsw - Check to see if any Aux Switch Functions are duplicated
bool Sub::check_duplicate_auxsw(void)
{
bool ret = ((g.ch7_option != AUXSW_DO_NOTHING) && (g.ch7_option == g.ch8_option ||
g.ch7_option == g.ch9_option || g.ch7_option == g.ch10_option ||
g.ch7_option == g.ch11_option || g.ch7_option == g.ch12_option));
ret = ret || ((g.ch8_option != AUXSW_DO_NOTHING) && (g.ch8_option == g.ch9_option ||
g.ch8_option == g.ch10_option || g.ch8_option == g.ch11_option ||
g.ch8_option == g.ch12_option));
ret = ret || ((g.ch9_option != AUXSW_DO_NOTHING) && (g.ch9_option == g.ch10_option ||
g.ch9_option == g.ch11_option || g.ch9_option == g.ch12_option));
ret = ret || ((g.ch10_option != AUXSW_DO_NOTHING) && (g.ch10_option == g.ch11_option ||
g.ch10_option == g.ch12_option));
ret = ret || ((g.ch11_option != AUXSW_DO_NOTHING) && (g.ch11_option == g.ch12_option));
return ret;
}
// read_3pos_switch
uint8_t Sub::read_3pos_switch(int16_t radio_in)
{
if (radio_in < AUX_SWITCH_PWM_TRIGGER_LOW) {
return AUX_SWITCH_LOW; // switch is in low position
}
if (radio_in > AUX_SWITCH_PWM_TRIGGER_HIGH) {
return AUX_SWITCH_HIGH; // switch is in high position
}
return AUX_SWITCH_MIDDLE; // switch is in middle position
}
// can't take reference to a bitfield member, thus a #define:
#define read_aux_switch(chan, flag, option) \
do { \
switch_position = read_3pos_switch(chan); \
if (flag != switch_position) { \
flag = switch_position; \
do_aux_switch_function(option, flag); \
} \
} while (false)
// read_aux_switches - checks aux switch positions and invokes configured actions
void Sub::read_aux_switches()
{
uint8_t switch_position;
// exit immediately during radio failsafe
if (failsafe.manual_control) {
return;
}
read_aux_switch(CH_7, aux_con.CH7_flag, g.ch7_option);
read_aux_switch(CH_8, aux_con.CH8_flag, g.ch8_option);
read_aux_switch(CH_9, aux_con.CH9_flag, g.ch9_option);
read_aux_switch(CH_10, aux_con.CH10_flag, g.ch10_option);
read_aux_switch(CH_11, aux_con.CH11_flag, g.ch11_option);
#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
read_aux_switch(CH_12, aux_con.CH12_flag, g.ch12_option);
#endif
}
#undef read_aux_switch
// init_aux_switches - invoke configured actions at start-up for aux function where it is safe to do so
void Sub::init_aux_switches()
{
// set the CH7 ~ CH12 flags
aux_con.CH7_flag = read_3pos_switch(CH_7);
aux_con.CH8_flag = read_3pos_switch(CH_8);
aux_con.CH10_flag = read_3pos_switch(CH_10);
aux_con.CH11_flag = read_3pos_switch(CH_11);
// ch9, ch12 only supported on some boards
aux_con.CH9_flag = read_3pos_switch(CH_9);
aux_con.CH12_flag = read_3pos_switch(CH_12);
// initialise functions assigned to switches
init_aux_switch_function(g.ch7_option, aux_con.CH7_flag);
init_aux_switch_function(g.ch8_option, aux_con.CH8_flag);
init_aux_switch_function(g.ch10_option, aux_con.CH10_flag);
init_aux_switch_function(g.ch11_option, aux_con.CH11_flag);
// ch9, ch12 only supported on some boards
init_aux_switch_function(g.ch9_option, aux_con.CH9_flag);
init_aux_switch_function(g.ch12_option, aux_con.CH12_flag);
}
// init_aux_switch_function - initialize aux functions
void Sub::init_aux_switch_function(int8_t ch_option, uint8_t ch_flag)
{
// init channel options
switch (ch_option) {
case AUXSW_SIMPLE_MODE:
case AUXSW_RANGEFINDER:
case AUXSW_FENCE:
case AUXSW_RESETTOARMEDYAW:
case AUXSW_SUPERSIMPLE_MODE:
case AUXSW_ACRO_TRAINER:
case AUXSW_GRIPPER:
case AUXSW_RETRACT_MOUNT:
case AUXSW_MISSION_RESET:
case AUXSW_ATTCON_FEEDFWD:
case AUXSW_ATTCON_ACCEL_LIM:
case AUXSW_RELAY:
case AUXSW_MOTOR_ESTOP:
case AUXSW_MOTOR_INTERLOCK:
do_aux_switch_function(ch_option, ch_flag);
break;
}
}
// do_aux_switch_function - implement the function invoked by the ch7 or ch8 switch
void Sub::do_aux_switch_function(int8_t ch_function, uint8_t ch_flag)
{
switch (ch_function) {
case AUXSW_SIMPLE_MODE:
// low = simple mode off, middle or high position turns simple mode on
set_simple_mode(ch_flag == AUX_SWITCH_HIGH || ch_flag == AUX_SWITCH_MIDDLE);
break;
case AUXSW_SUPERSIMPLE_MODE:
// low = simple mode off, middle = simple mode, high = super simple mode
set_simple_mode(ch_flag);
break;
case AUXSW_SAVE_TRIM:
if ((ch_flag == AUX_SWITCH_HIGH) && (control_mode <= ACRO) && (channel_throttle->get_control_in() == 0)) {
save_trim();
}
break;
case AUXSW_SAVE_WP:
// save waypoint when switch is brought high
if (ch_flag == AUX_SWITCH_HIGH) {
// do not allow saving new waypoints while we're in auto or disarmed
if (control_mode == AUTO || !motors.armed()) {
return;
}
// do not allow saving the first waypoint with zero throttle
if ((mission.num_commands() == 0) && (channel_throttle->get_control_in() == 0)) {
return;
}
// create new mission command
AP_Mission::Mission_Command cmd = {};
// set new waypoint to current location
cmd.content.location = current_loc;
// if throttle is above zero, create waypoint command
if (channel_throttle->get_control_in() > 0) {
cmd.id = MAV_CMD_NAV_WAYPOINT;
} else {
// with zero throttle, create LAND command
cmd.id = MAV_CMD_NAV_LAND;
}
// save command
if (mission.add_cmd(cmd)) {
// log event
Log_Write_Event(DATA_SAVEWP_ADD_WP);
}
}
break;
#if CAMERA == ENABLED
case AUXSW_CAMERA_TRIGGER:
if (ch_flag == AUX_SWITCH_HIGH) {
do_take_picture();
}
break;
#endif
case AUXSW_RANGEFINDER:
// enable or disable the sonar
#if RANGEFINDER_ENABLED == ENABLED
if ((ch_flag == AUX_SWITCH_HIGH) && (rangefinder.num_sensors() >= 1)) {
rangefinder_state.enabled = true;
} else {
rangefinder_state.enabled = false;
}
#endif
break;
#if AC_FENCE == ENABLED
case AUXSW_FENCE:
// enable or disable the fence
if (ch_flag == AUX_SWITCH_HIGH) {
fence.enable(true);
Log_Write_Event(DATA_FENCE_ENABLE);
} else {
fence.enable(false);
Log_Write_Event(DATA_FENCE_DISABLE);
}
break;
#endif
// To-Do: add back support for this feature
//case AUXSW_RESETTOARMEDYAW:
// if (ch_flag == AUX_SWITCH_HIGH) {
// set_yaw_mode(YAW_RESETTOARMEDYAW);
// }else{
// set_yaw_mode(YAW_HOLD);
// }
// break;
case AUXSW_ACRO_TRAINER:
switch (ch_flag) {
case AUX_SWITCH_LOW:
g.acro_trainer = ACRO_TRAINER_DISABLED;
Log_Write_Event(DATA_ACRO_TRAINER_DISABLED);
break;
case AUX_SWITCH_MIDDLE:
g.acro_trainer = ACRO_TRAINER_LEVELING;
Log_Write_Event(DATA_ACRO_TRAINER_LEVELING);
break;
case AUX_SWITCH_HIGH:
g.acro_trainer = ACRO_TRAINER_LIMITED;
Log_Write_Event(DATA_ACRO_TRAINER_LIMITED);
break;
}
break;
#if GRIPPER_ENABLED == ENABLED
case AUXSW_GRIPPER:
switch (ch_flag) {
case AUX_SWITCH_LOW:
g2.gripper.release();
Log_Write_Event(DATA_GRIPPER_RELEASE);
break;
case AUX_SWITCH_HIGH:
g2.gripper.grab();
Log_Write_Event(DATA_GRIPPER_GRAB);
break;
}
break;
#endif
case AUXSW_AUTO:
if (ch_flag == AUX_SWITCH_HIGH) {
set_mode(AUTO, MODE_REASON_TX_COMMAND);
} else {
// return to flight mode switch's flight mode if we are currently in AUTO
if (control_mode == AUTO) {
// reset_control_switch();
}
}
break;
#if AUTOTUNE_ENABLED == ENABLED
case AUXSW_AUTOTUNE:
// turn on auto tuner
switch (ch_flag) {
case AUX_SWITCH_LOW:
case AUX_SWITCH_MIDDLE:
// restore flight mode based on flight mode switch position
if (control_mode == AUTOTUNE) {
// reset_control_switch();
}
break;
case AUX_SWITCH_HIGH:
// start an autotuning session
set_mode(AUTOTUNE);
break;
}
break;
#endif
case AUXSW_LAND:
// Do nothing for Sub
// if (ch_flag == AUX_SWITCH_HIGH) {
// set_mode(LAND, MODE_REASON_TX_COMMAND);
// }else{
// // return to flight mode switch's flight mode if we are currently in LAND
// if (control_mode == LAND) {
// reset_control_switch();
// }
// }
break;
case AUXSW_MISSION_RESET:
if (ch_flag == AUX_SWITCH_HIGH) {
mission.reset();
}
break;
case AUXSW_ATTCON_FEEDFWD:
// enable or disable feed forward
attitude_control.bf_feedforward(ch_flag == AUX_SWITCH_HIGH);
break;
case AUXSW_ATTCON_ACCEL_LIM:
// enable or disable accel limiting by restoring defaults
attitude_control.accel_limiting(ch_flag == AUX_SWITCH_HIGH);
break;
#if MOUNT == ENABLE
case AUXSW_RETRACT_MOUNT:
switch (ch_flag) {
case AUX_SWITCH_HIGH:
camera_mount.set_mode(MAV_MOUNT_MODE_RETRACT);
break;
case AUX_SWITCH_LOW:
camera_mount.set_mode_to_default();
break;
}
break;
#endif
case AUXSW_RELAY:
ServoRelayEvents.do_set_relay(0, ch_flag == AUX_SWITCH_HIGH);
break;
case AUXSW_LOST_COPTER_SOUND:
switch (ch_flag) {
case AUX_SWITCH_HIGH:
AP_Notify::flags.vehicle_lost = true;
break;
case AUX_SWITCH_LOW:
AP_Notify::flags.vehicle_lost = false;
break;
}
break;
case AUXSW_MOTOR_ESTOP:
// Turn on Emergency Stop logic when channel is high
set_motor_emergency_stop(ch_flag == AUX_SWITCH_HIGH);
break;
case AUXSW_MOTOR_INTERLOCK:
// Turn on when above LOW, because channel will also be used for speed
// control signal in tradheli
motors.set_interlock(ch_flag == AUX_SWITCH_HIGH || ch_flag == AUX_SWITCH_MIDDLE);
// Log new status
if (motors.get_interlock()) {
Log_Write_Event(DATA_MOTORS_INTERLOCK_ENABLED);
} else {
Log_Write_Event(DATA_MOTORS_INTERLOCK_DISABLED);
}
break;
}
}
// save_trim - adds roll and pitch trims from the radio to ahrs
void Sub::save_trim()
{
// save roll and pitch trim
float roll_trim = ToRad((float)channel_roll->get_control_in()/100.0f);
float pitch_trim = ToRad((float)channel_pitch->get_control_in()/100.0f);
ahrs.add_trim(roll_trim, pitch_trim);
Log_Write_Event(DATA_SAVE_TRIM);
gcs_send_text(MAV_SEVERITY_INFO, "Trim saved");
}
// auto_trim - slightly adjusts the ahrs.roll_trim and ahrs.pitch_trim towards the current stick positions
// meant to be called continuously while the pilot attempts to keep the copter level
void Sub::auto_trim()
{
if (auto_trim_counter > 0) {
auto_trim_counter--;
// flash the leds
AP_Notify::flags.save_trim = true;
// calculate roll trim adjustment
float roll_trim_adjustment = ToRad((float)channel_roll->get_control_in() / 4000.0f);
// calculate pitch trim adjustment
float pitch_trim_adjustment = ToRad((float)channel_pitch->get_control_in() / 4000.0f);
// add trim to ahrs object
// save to eeprom on last iteration
ahrs.add_trim(roll_trim_adjustment, pitch_trim_adjustment, (auto_trim_counter == 0));
// on last iteration restore leds and accel gains to normal
if (auto_trim_counter == 0) {
AP_Notify::flags.save_trim = false;
}
}
}
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