WebSVN – FuelGauge – Diff – /trunk/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usart.c

 #define IS_LL_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 6000000U)
 /* __VALUE__ In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. */
 #define IS_LL_USART_BRR_MIN(__VALUE__) ((__VALUE__) >= 16U)
-/* __VALUE__ BRR content must be lower than or equal to 0xFFFF. */
-#define IS_LL_USART_BRR_MAX(__VALUE__) ((__VALUE__) <= 0x0000FFFFU)
 #define IS_LL_USART_DIRECTION(__VALUE__) (((__VALUE__) == LL_USART_DIRECTION_NONE) \
                                           || ((__VALUE__) == LL_USART_DIRECTION_RX) \
                                           || ((__VALUE__) == LL_USART_DIRECTION_TX) \
                                           || ((__VALUE__) == LL_USART_DIRECTION_TX_RX))
 #define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_7B) \
                                           || ((__VALUE__) == LL_USART_DATAWIDTH_8B) \
                                           || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
 #else
 #define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_8B) \
-                                       || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
+                                          || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
 #endif /* USART_7BITS_SUPPORT */
 #define IS_LL_USART_OVERSAMPLING(__VALUE__) (((__VALUE__) == LL_USART_OVERSAMPLING_16) \
                                              || ((__VALUE__) == LL_USART_OVERSAMPLING_8))
+}
 /**
   * @brief  Initialize USART registers according to the specified
   *         parameters in USART_InitStruct.
-  * @note   As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
+  * @note   As some bits in USART configuration registers can only be written when
+  *         the USART is disabled (USART_CR1_UE bit =0), USART Peripheral should be in disabled state prior calling
-  *         USART Peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
+  *         this function. Otherwise, ERROR result will be returned.
   * @note   Baud rate value stored in USART_InitStruct BaudRate field, should be valid (different from 0).
   * @param  USARTx USART Instance
   * @param  USART_InitStruct pointer to a LL_USART_InitTypeDef structure
   *         that contains the configuration information for the specified USART peripheral.
   * @retval An ErrorStatus enumeration value:
      */
     LL_USART_SetStopBitsLength(USARTx, USART_InitStruct->StopBits);
     /*---------------------------- USART CR3 Configuration ---------------------
      * Configure USARTx CR3 (Hardware Flow Control) with parameters:
-     * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to USART_InitStruct->HardwareFlowControl value.
+     * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to
+     *   USART_InitStruct->HardwareFlowControl value.
      */
     LL_USART_SetHWFlowCtrl(USARTx, USART_InitStruct->HardwareFlowControl);
     /*---------------------------- USART BRR Configuration ---------------------
      * Retrieve Clock frequency used for USART Peripheral
+    }
 #endif /* USART5 */
 #if defined(USART6)
     else if (USARTx == USART6)
+    {
-      /* USART6 clock is PCLK */
+      /* USART6 clock is PCLK1 */
       LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
       periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
 #endif /* USART6 */
 #if defined(USART7)
                            USART_InitStruct->OverSampling,
                            USART_InitStruct->BaudRate);
       /* Check BRR is greater than or equal to 16d */
       assert_param(IS_LL_USART_BRR_MIN(USARTx->BRR));
-      /* Check BRR is lower than or equal to 0xFFFF */
-      assert_param(IS_LL_USART_BRR_MAX(USARTx->BRR));
+    }
+  }
   /* Endif (=> USART not in Disabled state => return ERROR) */
   return (status);
+}
 /**
   * @brief  Initialize USART Clock related settings according to the
   *         specified parameters in the USART_ClockInitStruct.
-  * @note   As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
+  * @note   As some bits in USART configuration registers can only be written when
+  *         the USART is disabled (USART_CR1_UE bit =0), USART Peripheral should be in disabled state prior calling
-  *         USART Peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
+  *         this function. Otherwise, ERROR result will be returned.
   * @param  USARTx USART Instance
   * @param  USART_ClockInitStruct pointer to a @ref LL_USART_ClockInitTypeDef structure
   *         that contains the Clock configuration information for the specified USART peripheral.
   * @retval An ErrorStatus enumeration value:
-  *          - SUCCESS: USART registers related to Clock settings are initialized according to USART_ClockInitStruct content
+  *          - SUCCESS: USART registers related to Clock settings are initialized according
+  *                     to USART_ClockInitStruct content
   *          - ERROR: Problem occurred during USART Registers initialization
   */
 ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
+{
   ErrorStatus status = SUCCESS;
   /* USART needs to be in disabled state, in order to be able to configure some bits in
      CRx registers */
   if (LL_USART_IsEnabled(USARTx) == 0U)
+  {
-    /*---------------------------- USART CR2 Configuration -----------------------*/
-    /* If Clock signal has to be output */
+    /* If USART Clock signal is disabled */
     if (USART_ClockInitStruct->ClockOutput == LL_USART_CLOCK_DISABLE)
+    {
       /* Deactivate Clock signal delivery :
        * - Disable Clock Output:        USART_CR2_CLKEN cleared
        */
   */
 void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
+{
   /* Set LL_USART_ClockInitStruct fields with default values */
   USART_ClockInitStruct->ClockOutput       = LL_USART_CLOCK_DISABLE;
-  USART_ClockInitStruct->ClockPolarity     = LL_USART_POLARITY_LOW;            /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+  USART_ClockInitStruct->ClockPolarity     = LL_USART_POLARITY_LOW;            /* Not relevant when ClockOutput =
+                                                                                  LL_USART_CLOCK_DISABLE */
-  USART_ClockInitStruct->ClockPhase        = LL_USART_PHASE_1EDGE;             /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+  USART_ClockInitStruct->ClockPhase        = LL_USART_PHASE_1EDGE;             /* Not relevant when ClockOutput =
+                                                                                  LL_USART_CLOCK_DISABLE */
-  USART_ClockInitStruct->LastBitClockPulse = LL_USART_LASTCLKPULSE_NO_OUTPUT;  /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+  USART_ClockInitStruct->LastBitClockPulse = LL_USART_LASTCLKPULSE_NO_OUTPUT;  /* Not relevant when ClockOutput =
+                                                                                  LL_USART_CLOCK_DISABLE */
+}
 /**
   * @}
   */

Subversion Repositories FuelGauge

(root)/trunk/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usart.c – Rev 2 → 6