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fix(pl18): telemetry RX DMA can be enabled for non-DAC audio radios #7417

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fix(pl18): telemetry RX DMA can be enabled for non-DAC audio radios #7417

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b47c0d7
Telemetry RX DMA can be enabled for non-DAC audio radios
richardclli Jun 1, 2026
6269f1d
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richardclli Jun 1, 2026
8fd9377
Update with a better #define logic
richardclli Jun 15, 2026
fe94fb4
Update CMakeLists.txt, fixed build error.
richardclli Jun 15, 2026
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8 changes: 6 additions & 2 deletions radio/src/targets/pl18/hal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -212,8 +212,12 @@
#define TELEMETRY_DMA_TX_Stream_IRQ DMA1_Stream6_IRQn
#define TELEMETRY_DMA_TX_IRQHandler DMA1_Stream6_IRQHandler
#define TELEMETRY_DMA_TX_FLAG_TC DMA_IT_TCIF6
// #define TELEMETRY_DMA_Stream_RX LL_DMA_STREAM_5
// #define TELEMETRY_DMA_Channel_RX LL_DMA_CHANNEL_4
#if defined(RADIO_NV14_FAMILY) || defined(RADIO_PL18U)
// RX DMA can only be enabled when DAC audio is not used,
// having DMA conflict with DAC audio
#define TELEMETRY_DMA_Stream_RX LL_DMA_STREAM_5
#define TELEMETRY_DMA_Channel_RX LL_DMA_CHANNEL_4
#endif
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#define TELEMETRY_USART_IRQHandler USART2_IRQHandler

#define TELEMETRY_DIR_OUTPUT() TELEMETRY_DIR_GPIO->BSRRH = TELEMETRY_DIR_GPIO_PIN
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