diff options
Diffstat (limited to 'src/modules/uavcan/actuators/esc.cpp')
-rw-r--r-- | src/modules/uavcan/actuators/esc.cpp | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/src/modules/uavcan/actuators/esc.cpp b/src/modules/uavcan/actuators/esc.cpp index 1990651ef..9f682c7e1 100644 --- a/src/modules/uavcan/actuators/esc.cpp +++ b/src/modules/uavcan/actuators/esc.cpp @@ -40,6 +40,9 @@ #include "esc.hpp" #include <systemlib/err.h> + +#define MOTOR_BIT(x) (1<<(x)) + UavcanEscController::UavcanEscController(uavcan::INode &node) : _node(node), _uavcan_pub_raw_cmd(node), @@ -73,7 +76,9 @@ int UavcanEscController::init() void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) { - if ((outputs == nullptr) || (num_outputs > uavcan::equipment::esc::RawCommand::FieldTypes::cmd::MaxSize)) { + if ((outputs == nullptr) || + (num_outputs > uavcan::equipment::esc::RawCommand::FieldTypes::cmd::MaxSize) || + (num_outputs > CONNECTED_ESC_MAX)) { perf_count(_perfcnt_invalid_input); return; } @@ -95,14 +100,18 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) static const int cmd_max = uavcan::equipment::esc::RawCommand::FieldTypes::cmd::RawValueType::max(); - if (_armed) { - for (unsigned i = 0; i < num_outputs; i++) { - + for (unsigned i = 0; i < num_outputs; i++) { + if (_armed_mask & MOTOR_BIT(i)) { float scaled = (outputs[i] + 1.0F) * 0.5F * cmd_max; - if (scaled < 1.0F) { - scaled = 1.0F; // Since we're armed, we don't want to stop it completely - } - + // trim negative values back to 0. Previously + // we set this to 0.1, which meant motors kept + // spinning when armed, but that should be a + // policy decision for a specific vehicle + // type, as it is not appropriate for all + // types of vehicles (eg. fixed wing). + if (scaled < 0.0F) { + scaled = 0.0F; + } if (scaled > cmd_max) { scaled = cmd_max; perf_count(_perfcnt_scaling_error); @@ -111,6 +120,8 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) msg.cmd.push_back(static_cast<int>(scaled)); _esc_status.esc[i].esc_setpoint_raw = abs(static_cast<int>(scaled)); + } else { + msg.cmd.push_back(static_cast<unsigned>(0)); } } @@ -121,9 +132,22 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) (void)_uavcan_pub_raw_cmd.broadcast(msg); } -void UavcanEscController::arm_esc(bool arm) +void UavcanEscController::arm_all_escs(bool arm) +{ + if (arm) { + _armed_mask = -1; + } else { + _armed_mask = 0; + } +} + +void UavcanEscController::arm_single_esc(int num, bool arm) { - _armed = arm; + if (arm) { + _armed_mask = MOTOR_BIT(num); + } else { + _armed_mask = 0; + } } void UavcanEscController::esc_status_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::esc::Status> &msg) |