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PWM Out: Simplify startup logic

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The simpler logic is more robust towards future refactoring.
This commit is contained in:
Lorenz Meier
2021-04-12 17:45:43 +02:00
committed by Daniel Agar
parent 5f6b8fcb9f
commit 3a004ffd68
1 changed files with 3 additions and 13 deletions
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src/drivers/pwm_out/PWMOut.cpp
+3 -13
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@@ -1,6 +1,6 @@
/****************************************************************************
*
* Copyright (c) 2012-2020 PX4 Development Team. All rights reserved.
* Copyright (c) 2012-2021 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -35,7 +35,6 @@
pthread_mutex_t pwm_out_module_mutex = PTHREAD_MUTEX_INITIALIZER;
static px4::atomic<PWMOut *> _objects[PWM_OUT_MAX_INSTANCES] {};
static bool _pwm_out_started = false;
static bool is_running()
{
@@ -511,8 +510,6 @@ int PWMOut::task_spawn(int argc, char *argv[])
}
}
_pwm_out_started = true;
return PX4_OK;
}
@@ -619,11 +616,6 @@ void PWMOut::update_params()
{
updateParams();
// skip update when armed
if (_mixing_output.armed().armed) {
return;
}
int32_t pwm_min_default = PWM_DEFAULT_MIN;
int32_t pwm_max_default = PWM_DEFAULT_MAX;
int32_t pwm_disarmed_default = 0;
@@ -2030,7 +2022,7 @@ int PWMOut::custom_command(int argc, char *argv[])
/* start pwm_out if not running */
if (!_pwm_out_started) {
if (!is_running()) {
int ret = PWMOut::task_spawn(argc, argv);
@@ -2292,7 +2284,7 @@ extern "C" __EXPORT int pwm_out_main(int argc, char *argv[])
if (strcmp(argv[1], "start") == 0) {
if (_pwm_out_started) {
if (is_running()) {
return 0;
}
@@ -2377,8 +2369,6 @@ extern "C" __EXPORT int pwm_out_main(int argc, char *argv[])
}
}
_pwm_out_started = false;
PWMOut::unlock_module();
return PX4_OK;
}