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Allow longer PPM trainer frames

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This commit is contained in:
Raphael Coeffic
2022-03-29 12:05:25 +02:00
committed by Raphael Coeffic
parent 9c2ce4777d
commit 36bbdd2812
1 changed files with 7 additions and 3 deletions
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radio/src/pulses/ppm.cpp
+7 -3
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@@ -60,13 +60,17 @@ void setupPulsesPPMTrainer()
&trainerPulsesData.ppm, g_model.trainerData.channelsStart,
g_model.trainerData.channelsCount);
uint16_t rest = PPM_TRAINER_PERIOD_HALF_US();
if (total < rest + PPM_SAFE_MARGIN * 2)
uint32_t rest = PPM_TRAINER_PERIOD_HALF_US();
if ((uint32_t)total < rest + PPM_SAFE_MARGIN * 2)
rest -= total;
else
rest = PPM_SAFE_MARGIN * 2;
*trainerPulsesData.ppm.ptr++ = rest;
// restrict to 16 bit max
if (rest >= USHRT_MAX - 1)
rest = USHRT_MAX - 1;
*trainerPulsesData.ppm.ptr++ = (uint16_t)rest;
// stop mark so that IRQ-based sending
// knows when to stop