2 files changed, 8 insertions(+), 0 deletions(-)

M module-bsp/board/rt1051/bsp/cellular/rt1051_cellular.cpp
M pure_changelog.md

@@ 230,6 230,11 @@ namespace bsp
                 if (!LPUART_IsEDMATxBusy(&uartDmaHandle)) {
                     break;
                 }
+                else if (i == maxTXCheckRetires - 1) {
+                    LOG_ERROR("Cellular Uart error: EDMA is busy");
+                    LPUART_TransferAbortSendEDMA(CELLULAR_UART_BASE, &uartDmaHandle);
+                    return -1;
+                }
             }
         }
 


@@ 249,6 254,7 @@ namespace bsp
 
         if (status != kStatus_Success) {
             LOG_ERROR("Cellular: TX Failed! , status: %d", static_cast<int>(status));
+            LPUART_TransferAbortSendEDMA(CELLULAR_UART_BASE, &uartDmaHandle);
             disableTx();
             return -1;
         }


@@ 258,6 264,7 @@ namespace bsp
 
         if (ulNotificationValue == 0) {
             LOG_ERROR("Cellular Uart error: TX Transmission timeout");
+            LPUART_TransferAbortSendEDMA(CELLULAR_UART_BASE, &uartDmaHandle);
             disableTx();
             return -1;
         }

@@ 7,6 7,7 @@
 * Separated system volume from Bluetooth device volume for A2DP
 
 ### Fixed
+* Fixed cellular DMA errors
 * Fixed order of the services while closing system
 * Fixed crash of the E-ink service while restoring system data
 * Fixed removing wrong sentinels