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Fix DSHOT on G4 #11158

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Fix DSHOT on G4 #11158

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8 changes: 7 additions & 1 deletion src/main/drivers/dshot_bitbang.c
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Original file line number Diff line number Diff line change
Expand Up @@ -622,8 +622,14 @@ static void bbUpdateComplete(void)
bbPort->inputActive = false;
bbSwitchToOutput(bbPort);
}
}
} else
#endif
{
#if defined(STM32G4)
// Using circular mode resets the counter one short, so explicitly reload
bbSwitchToOutput(bbPort);
#endif
}

bbDMA_Cmd(bbPort, ENABLE);
}
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8 changes: 4 additions & 4 deletions src/main/drivers/dshot_bitbang_ll.c
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Original file line number Diff line number Diff line change
Expand Up @@ -156,10 +156,10 @@ static void bbSaveDMARegs(dmaResource_t *dmaResource, dmaRegCache_t *dmaRegCache
dmaRegCache->PAR = ((DMA_ARCH_TYPE *)dmaResource)->PAR;
dmaRegCache->M0AR = ((DMA_ARCH_TYPE *)dmaResource)->M0AR;
#elif defined(STM32G4)
((DMA_ARCH_TYPE *)dmaResource)->CCR = dmaRegCache->CCR;
((DMA_ARCH_TYPE *)dmaResource)->CNDTR = dmaRegCache->CNDTR;
((DMA_ARCH_TYPE *)dmaResource)->CPAR = dmaRegCache->CPAR;
((DMA_ARCH_TYPE *)dmaResource)->CMAR = dmaRegCache->CMAR;
dmaRegCache->CCR = ((DMA_ARCH_TYPE *)dmaResource)->CCR;
dmaRegCache->CNDTR = ((DMA_ARCH_TYPE *)dmaResource)->CNDTR;
dmaRegCache->CPAR = ((DMA_ARCH_TYPE *)dmaResource)->CPAR;
dmaRegCache->CMAR = ((DMA_ARCH_TYPE *)dmaResource)->CMAR;
#else
#error MCU dependent code required
#endif
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