diff --git a/Makefile b/Makefile
index 9199ebe298..0402c31fd0 100644
--- a/Makefile
+++ b/Makefile
@@ -523,6 +523,7 @@ COMMON_SRC = \
drivers/timer.c \
fc/config.c \
fc/fc_init.c \
+ fc/fc_dispatch.c \
fc/fc_hardfaults.c \
fc/fc_main.c \
fc/fc_msp.c \
diff --git a/src/main/fc/fc_dispatch.c b/src/main/fc/fc_dispatch.c
new file mode 100644
index 0000000000..c62135c7a9
--- /dev/null
+++ b/src/main/fc/fc_dispatch.c
@@ -0,0 +1,81 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cleanflight. If not, see .
+ */
+
+#include
+#include
+#include
+
+#include
+
+#include "drivers/system.h"
+#include "fc/fc_dispatch.h"
+
+#define DISPATCH_QUEUE_SIZE 5
+
+typedef struct {
+ dispatchFuncPtr ptr;
+ uint32_t delayedUntil;
+} dispatchItem_t;
+
+static dispatchItem_t queue[DISPATCH_QUEUE_SIZE];
+static int next = 0;
+
+static void dispatchRemove(int index)
+{
+ if (index == (DISPATCH_QUEUE_SIZE-1)) {
+ queue[index].ptr = NULL;
+ next = index;
+ return;
+ }
+
+ for (int i = index; i < DISPATCH_QUEUE_SIZE-1; i++) {
+ queue[i].ptr = queue[i+1].ptr;
+
+ if (queue[i].ptr == NULL) {
+ next = i;
+ break;
+ }
+ queue[i].delayedUntil = queue[i+1].delayedUntil;
+ }
+}
+
+void dispatchProcess(void)
+{
+ if (queue[0].ptr == NULL) {
+ return;
+ }
+
+ for (int i = 0; i < DISPATCH_QUEUE_SIZE; i++) {
+ if (queue[i].ptr == NULL) {
+ break;
+ }
+ if (queue[i].delayedUntil < micros()) {
+ (*queue[i].ptr)();
+ queue[i].ptr = NULL;
+ dispatchRemove(i);
+ }
+ }
+}
+
+void dispatchAdd(dispatchFuncPtr ptr, uint32_t delayUs)
+{
+ if (next < DISPATCH_QUEUE_SIZE) {
+ queue[next].ptr = ptr;
+ queue[next].delayedUntil = micros() + delayUs;
+ next++;
+ }
+}
diff --git a/src/main/fc/fc_dispatch.h b/src/main/fc/fc_dispatch.h
new file mode 100644
index 0000000000..ced61513fd
--- /dev/null
+++ b/src/main/fc/fc_dispatch.h
@@ -0,0 +1,23 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cleanflight. If not, see .
+ */
+
+#pragma once
+
+typedef void (*dispatchFuncPtr)(void);
+
+void dispatchProcess(void);
+void dispatchAdd(dispatchFuncPtr ptr, uint32_t delayUs);
\ No newline at end of file
diff --git a/src/main/fc/fc_tasks.c b/src/main/fc/fc_tasks.c
index 24448f58a7..1e093ce22c 100644
--- a/src/main/fc/fc_tasks.c
+++ b/src/main/fc/fc_tasks.c
@@ -40,6 +40,7 @@
#include "fc/rc_controls.h"
#include "fc/runtime_config.h"
#include "fc/serial_cli.h"
+#include "fc/fc_dispatch.h"
#include "flight/pid.h"
#include "flight/altitudehold.h"
@@ -217,6 +218,13 @@ void taskVtxControl(uint32_t currentTime)
}
#endif
+/* simplified task for dispatching a call to *(void x(void)) after a set period of time */
+void taskDispatch(uint32_t currentTime)
+{
+ UNUSED(currentTime);
+ dispatchProcess();
+}
+
void fcTasksInit(void)
{
schedulerInit();
@@ -233,6 +241,8 @@ void fcTasksInit(void)
setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_CURRENT_METER));
setTaskEnabled(TASK_RX, true);
+ setTaskEnabled(TASK_DISPATCH, true);
+
#ifdef BEEPER
setTaskEnabled(TASK_BEEPER, true);
#endif
@@ -347,6 +357,13 @@ cfTask_t cfTasks[TASK_COUNT] = {
.staticPriority = TASK_PRIORITY_LOW,
},
+ [TASK_DISPATCH] = {
+ .taskName = "DISPATCH",
+ .taskFunc = taskDispatch,
+ .desiredPeriod = TASK_PERIOD_US(100),
+ .staticPriority = TASK_PRIORITY_REALTIME,
+ },
+
[TASK_BATTERY] = {
.taskName = "BATTERY",
.taskFunc = taskUpdateBattery,
diff --git a/src/main/rx/spektrum.c b/src/main/rx/spektrum.c
index b9f1d625b3..9578eaa18a 100644
--- a/src/main/rx/spektrum.c
+++ b/src/main/rx/spektrum.c
@@ -34,6 +34,7 @@
#include "io/serial.h"
#include "fc/config.h"
+#include "fc/fc_dispatch.h"
#ifdef TELEMETRY
#include "telemetry/telemetry.h"
@@ -153,8 +154,9 @@ static uint8_t spektrumFrameStatus(void)
}
}
- if (telemetryBufLen) {
- srxlRxSendTelemetryData();
+ /* only process if 2048, some data in buffer AND servos in phase 0 */
+ if (spekHiRes && telemetryBufLen && (spekFrame[2] & 0x80)) {
+ dispatchAdd(srxlRxSendTelemetryData, 100);
}
return RX_FRAME_COMPLETE;
}
diff --git a/src/main/scheduler/scheduler.h b/src/main/scheduler/scheduler.h
index 06014f01bb..255badcaba 100644
--- a/src/main/scheduler/scheduler.h
+++ b/src/main/scheduler/scheduler.h
@@ -54,6 +54,7 @@ typedef enum {
TASK_ATTITUDE,
TASK_RX,
TASK_SERIAL,
+ TASK_DISPATCH,
TASK_BATTERY,
#ifdef BEEPER
TASK_BEEPER,