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Diffstat (limited to 'src/modules/uavcan/actuators/esc.cpp')
-rw-r--r--src/modules/uavcan/actuators/esc.cpp17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/modules/uavcan/actuators/esc.cpp b/src/modules/uavcan/actuators/esc.cpp
index 1d23099f3..9f682c7e1 100644
--- a/src/modules/uavcan/actuators/esc.cpp
+++ b/src/modules/uavcan/actuators/esc.cpp
@@ -76,7 +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;
}
@@ -101,10 +103,15 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs)
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);