RSI_send_error_fix

project-chip · Nov 8, 2022 · 54c0788 · 54c0788
1 parent 0bff5ad
commit 54c0788
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Showing 2 changed files with 21 additions and 1 deletion.
diff --git a/examples/platform/efr32/rs911x/hal/efx_spi.c b/examples/platform/efr32/rs911x/hal/efx_spi.c
@@ -287,10 +287,24 @@ int16_t rsi_spi_transfer(uint8_t * tx_buf, uint8_t * rx_buf, uint16_t xlen, uint
         /*
          * Wait for the call-back to complete
          */
-        if (xSemaphoreTake(spi_sem, portMAX_DELAY) == pdTRUE)
+        if (xSemaphoreTake(spi_sem, pdMS_TO_TICKS(RSI_SEM_BLOCK_MIN_TICK_VALUE)) == pdTRUE)
         {
             xSemaphoreGive(spi_sem);
         }
+        else
+        {
+            uint32_t ldma_flags = 0;
+            uint32_t rem_len    = 0;
+            rem_len             = LDMA_TransferRemainingCount(RSI_LDMA_TRANSFER_CHANNEL_NUM);
+            LDMA_StopTransfer(RSI_LDMA_TRANSFER_CHANNEL_NUM);
+            ldma_flags = LDMA_IntGet();
+            LDMA_IntClear(ldma_flags);
+            receiveDMA(rx_buf, rem_len);
+            if (xSemaphoreTake(spi_sem, portMAX_DELAY) == pdTRUE)
+            {
+                xSemaphoreGive(spi_sem);
+            }
+        }
     }
 
     return RSI_ERROR_NONE;

diff --git a/examples/platform/efr32/rs911x/hal/rsi_hal.h b/examples/platform/efr32/rs911x/hal/rsi_hal.h
@@ -54,6 +54,12 @@
 // Macro to drive high value on GPIO
 #define RSI_HAL_GPIO_HIGH 1
 
+// Macro to drive LDMA channel number
+#define RSI_LDMA_TRANSFER_CHANNEL_NUM 3
+
+// Macro to drive semaphore block minimun tick value
+#define RSI_SEM_BLOCK_MIN_TICK_VALUE 50
+
 /******************************************************
  * *               Function Declarations
  * ******************************************************/