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[Silabs] Fix matter shell with wf200 #26845

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May 29, 2023
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[Silabs] Fix matter shell with wf200 #26845

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13 changes: 6 additions & 7 deletions examples/platform/silabs/efr32/uart.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -134,8 +134,6 @@ static uint8_t sRxFifoBuffer[MAX_BUFFER_SIZE];
static Fifo_t sReceiveFifo;

static void UART_rx_callback(UARTDRV_Handle_t handle, Ecode_t transferStatus, uint8_t * data, UARTDRV_Count_t transferCount);
static void UART_tx_callback(struct UARTDRV_HandleData * handle, Ecode_t transferStatus, uint8_t * data,
UARTDRV_Count_t transferCount);
static void uartSendBytes(uint8_t * buffer, uint16_t nbOfBytes);

static bool InitFifo(Fifo_t * fifo, uint8_t * pDataBuffer, uint16_t bufferSize)
Expand Down Expand Up @@ -474,14 +472,15 @@ void uartSendBytes(uint8_t * buffer, uint16_t nbOfBytes)
#endif

#if (defined(EFR32MG24) && defined(WF200_WIFI))
// Blocking transmit for the MG24 + WF200 since UART TX is multiplexed with
// WF200 SPI IRQ
pre_uart_transfer();
#endif /* EFR32MG24 && WF200_WIFI */

UARTDRV_ForceTransmit(vcom_handle, (uint8_t *) buffer, nbOfBytes);
post_uart_transfer();
#else
// Non Blocking Transmit
UARTDRV_Transmit(vcom_handle, (uint8_t *) buffer, nbOfBytes, UART_tx_callback);
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);

#if (defined(EFR32MG24) && defined(WF200_WIFI))
post_uart_transfer();
#endif /* EFR32MG24 && WF200_WIFI */

#if defined(SL_CATALOG_POWER_MANAGER_PRESENT)
Expand Down