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| | | void USART6_IRQHandler(void) |
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| | | { |
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| | | /* USER CODE BEGIN USART6_IRQn 0 */ |
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| | | // Circular DMA Mode: Just set a flag, do NOT stop DMA |
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| | | uint32_t tmp_flag = 0; |
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| | | uint32_t temp; |
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| | | tmp_flag = __HAL_UART_GET_FLAG(&huart6, UART_FLAG_IDLE); |
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| | | |
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| | | if ((tmp_flag != RESET)) |
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| | | { |
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| | | |
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| | | g_u32BtIdleIntCount++; // Debug Counter |
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| | | __HAL_UART_CLEAR_IDLEFLAG(&huart6); |
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| | | HAL_UART_DMAStop(&huart6); // |
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| | | temp = __HAL_DMA_GET_COUNTER(&hdma_usart6_rx); |
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| | | uart6_dma_recv_len = BT_UART_RX_BUF_SIZE - temp; |
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| | | uart6_dma_recv_end_flag = 1; |
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| | | // HAL_UART_Receive_DMA(&huart6, uart6_dma_rxbuf, UART6_DMA_RX_BUF_SIZE); // Moved to Poll to avoid race/overwrite |
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| | | // For Circular DMA, we do NOT stop DMA. Just set a flag to notify Poll. |
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| | | uart6_dma_recv_end_flag = 1; // Notify Poll that new data arrived |
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| | | } |
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| | | |
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| | | /* USER CODE END USART6_IRQn 0 */ |
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