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Diff: targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_uart.h

Revision:
124:6a4a5b7d7324
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_uart.h	Thu May 05 21:00:11 2016 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_uart.h	Mon May 09 18:30:12 2016 +0100
@@ -2,13 +2,13 @@
   ******************************************************************************
   * @file    stm32f1xx_hal_uart.h
   * @author  MCD Application Team
-  * @version V1.0.0
-  * @date    15-December-2014
+  * @version V1.0.4
+  * @date    29-April-2016
   * @brief   Header file of UART HAL module.
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
@@ -591,8 +591,11 @@
 #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_)         (((_PCLK_)*25)/(4*(_BAUD_)))
 #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_)     (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100)
 #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_)     (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
-#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_)         ((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F))
-
+/* UART BRR = mantissa + overflow + fraction
+            = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0F) */
+#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_)            (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4) + \
+                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0)) + \
+                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F))
 #define IS_UART_WORD_LENGTH(LENGTH)       (((LENGTH) == UART_WORDLENGTH_8B) || \
                                            ((LENGTH) == UART_WORDLENGTH_9B))
 #define IS_UART_LIN_WORD_LENGTH(LENGTH)   ((LENGTH) == UART_WORDLENGTH_8B)