commit d8afbbc9703588198e13acbb88bfc8776815ac97
author Rania JMAI <rania.jmai@st.com> Mon Aug 26 09:02:19 2024 +0100
committer Rania JMAI <rania.jmai@st.com> Mon Aug 26 09:02:19 2024 +0100
tree 2c096369a614c53423ff14f97bb52a546c0fc884
parent 5e2ab498d3f4c32a5143be79a308080e6374cfce

[HAL][QSPI] Clear AR register after CCR to avoid new transfer when address is not needed

Src/stm32wbxx_hal_qspi.c

diff --git a/Src/stm32wbxx_hal_qspi.c b/Src/stm32wbxx_hal_qspi.c
index c754086..29d0c60 100644
--- a/Src/stm32wbxx_hal_qspi.c
+++ b/Src/stm32wbxx_hal_qspi.c
@@ -2631,6 +2631,9 @@
                                          cmd->AlternateBytesSize | cmd->AlternateByteMode |
                                          cmd->AddressMode | cmd->InstructionMode |
                                          cmd->Instruction | FunctionalMode));
+
+        /* Clear AR register */
+        CLEAR_REG(hqspi->Instance->AR);
       }
     }
     else
@@ -2658,6 +2661,9 @@
                                          cmd->DataMode | (cmd->DummyCycles << QUADSPI_CCR_DCYC_Pos) |
                                          cmd->AlternateByteMode | cmd->AddressMode |
                                          cmd->InstructionMode | cmd->Instruction | FunctionalMode));
+
+        /* Clear AR register */
+        CLEAR_REG(hqspi->Instance->AR);
       }
     }
   }
@@ -2692,6 +2698,9 @@
                                          cmd->DataMode | (cmd->DummyCycles << QUADSPI_CCR_DCYC_Pos) |
                                          cmd->AlternateBytesSize | cmd->AlternateByteMode |
                                          cmd->AddressMode | cmd->InstructionMode | FunctionalMode));
+
+        /* Clear AR register */
+        CLEAR_REG(hqspi->Instance->AR);
       }
     }
     else
@@ -2721,6 +2730,9 @@
                                            cmd->DataMode | (cmd->DummyCycles << QUADSPI_CCR_DCYC_Pos) |
                                            cmd->AlternateByteMode | cmd->AddressMode |
                                            cmd->InstructionMode | FunctionalMode));
+
+          /* Clear AR register */
+          CLEAR_REG(hqspi->Instance->AR);
         }
       }
     }