commit d71a9af60f06981d88b5d78ee89546241b33db6d
author rihab kouki <rihab.kouki@st.com> Fri Jan 07 16:24:34 2022 +0100
committer rihab kouki <rihab.kouki@st.com> Fri Jan 07 16:24:34 2022 +0100
tree 91085ecbd0cd4ba1175b8b7b829baaadf63ca4ad
parent 0cddef33b9bf95e5b989f94a515b6d14f3dae8bc

[HAL][IRDA] Add a check on the IRDA parity before enabling the parity error interrupt

Src/stm32l0xx_hal_irda.c

diff --git a/Src/stm32l0xx_hal_irda.c b/Src/stm32l0xx_hal_irda.c
index e7578c6..ab260ac 100644
--- a/Src/stm32l0xx_hal_irda.c
+++ b/Src/stm32l0xx_hal_irda.c
@@ -1119,8 +1119,16 @@
     /* Process Unlocked */
     __HAL_UNLOCK(hirda);
 
-    /* Enable the IRDA Parity Error and Data Register not empty Interrupts */
-    SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE);
+    if (hirda->Init.Parity != IRDA_PARITY_NONE)
+    { 
+      /* Enable the IRDA Parity Error and Data Register not empty Interrupts */  
+      SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE);
+    }
+    else
+    {
+     /* Enable the IRDA Data Register not empty Interrupts */ 
+     SET_BIT(hirda->Instance->CR1, USART_CR1_RXNEIE); 
+    }
 
     /* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
     SET_BIT(hirda->Instance->CR3, USART_CR3_EIE);
@@ -1295,8 +1303,11 @@
       /* Process Unlocked */
       __HAL_UNLOCK(hirda);
 
-      /* Enable the UART Parity Error Interrupt */
-      SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE);
+      if (hirda->Init.Parity != IRDA_PARITY_NONE)
+      {
+        /* Enable the UART Parity Error Interrupt */
+        SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE);
+      }
 
       /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
       SET_BIT(hirda->Instance->CR3, USART_CR3_EIE);
@@ -1388,7 +1399,10 @@
     __HAL_IRDA_CLEAR_OREFLAG(hirda);
 
     /* Re-enable PE and ERR (Frame error, noise error, overrun error) interrupts */
-    SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE);
+    if (hirda->Init.Parity != IRDA_PARITY_NONE)
+    {    
+      SET_BIT(hirda->Instance->CR1, USART_CR1_PEIE);
+    }
     SET_BIT(hirda->Instance->CR3, USART_CR3_EIE);
 
     /* Enable the IRDA DMA Rx request */