2 ******************************************************************************
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3 * @file stm32f0xx_usart.h
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4 * @author MCD Application Team
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6 * @date 27-January-2012
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7 * @brief This file contains all the functions prototypes for the USART
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9 ******************************************************************************
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 * FOR MORE INFORMATION PLEASE READ CAREFULLY THE LICENSE AGREEMENT FILE
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20 * LOCATED IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
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22 * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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23 ******************************************************************************
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26 /* Define to prevent recursive inclusion -------------------------------------*/
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27 #ifndef __STM32F0XX_USART_H
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28 #define __STM32F0XX_USART_H
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34 /* Includes ------------------------------------------------------------------*/
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35 #include "stm32f0xx.h"
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37 /** @addtogroup STM32F0xx_StdPeriph_Driver
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41 /** @addtogroup USART
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45 /* Exported types ------------------------------------------------------------*/
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50 * @brief USART Init Structure definition
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55 uint32_t USART_BaudRate; /*!< This member configures the USART communication baud rate.
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56 The baud rate is computed using the following formula:
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57 - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
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58 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
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60 uint32_t USART_WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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61 This parameter can be a value of @ref USART_Word_Length */
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63 uint32_t USART_StopBits; /*!< Specifies the number of stop bits transmitted.
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64 This parameter can be a value of @ref USART_Stop_Bits */
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66 uint32_t USART_Parity; /*!< Specifies the parity mode.
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67 This parameter can be a value of @ref USART_Parity
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68 @note When parity is enabled, the computed parity is inserted
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69 at the MSB position of the transmitted data (9th bit when
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70 the word length is set to 9 data bits; 8th bit when the
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71 word length is set to 8 data bits). */
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73 uint32_t USART_Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
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74 This parameter can be a value of @ref USART_Mode */
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76 uint32_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
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78 This parameter can be a value of @ref USART_Hardware_Flow_Control*/
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79 } USART_InitTypeDef;
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82 * @brief USART Clock Init Structure definition
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87 uint32_t USART_Clock; /*!< Specifies whether the USART clock is enabled or disabled.
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88 This parameter can be a value of @ref USART_Clock */
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90 uint32_t USART_CPOL; /*!< Specifies the steady state of the serial clock.
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91 This parameter can be a value of @ref USART_Clock_Polarity */
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93 uint32_t USART_CPHA; /*!< Specifies the clock transition on which the bit capture is made.
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94 This parameter can be a value of @ref USART_Clock_Phase */
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96 uint32_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
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97 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
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98 This parameter can be a value of @ref USART_Last_Bit */
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99 } USART_ClockInitTypeDef;
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101 /* Exported constants --------------------------------------------------------*/
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103 /** @defgroup USART_Exported_Constants
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107 #define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
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108 ((PERIPH) == USART2))
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110 #define IS_USART_1_PERIPH(PERIPH) (((PERIPH) == USART1))
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112 /** @defgroup USART_Word_Length
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116 #define USART_WordLength_8b ((uint32_t)0x00000000)
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117 #define USART_WordLength_9b USART_CR1_M
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118 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
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119 ((LENGTH) == USART_WordLength_9b))
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124 /** @defgroup USART_Stop_Bits
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128 #define USART_StopBits_1 ((uint32_t)0x00000000)
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129 #define USART_StopBits_2 ((uint32_t)USART_CR2_STOP_1)
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130 #define USART_StopBits_1_5 ((uint32_t)USART_CR2_STOP_0 | USART_CR2_STOP_1)
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131 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
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132 ((STOPBITS) == USART_StopBits_2) || \
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133 ((STOPBITS) == USART_StopBits_1_5))
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138 /** @defgroup USART_Parity
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142 #define USART_Parity_No ((uint32_t)0x00000000)
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143 #define USART_Parity_Even ((uint32_t)USART_CR1_PCE)
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144 #define USART_Parity_Odd ((uint32_t)USART_CR1_PCE | USART_CR1_PS)
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145 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
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146 ((PARITY) == USART_Parity_Even) || \
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147 ((PARITY) == USART_Parity_Odd))
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152 /** @defgroup USART_Mode
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156 #define USART_Mode_Rx USART_CR1_RE
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157 #define USART_Mode_Tx USART_CR1_TE
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158 #define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFFFFFF3) == 0x00) && \
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159 ((MODE) != (uint32_t)0x00))
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164 /** @defgroup USART_Hardware_Flow_Control
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168 #define USART_HardwareFlowControl_None ((uint32_t)0x00000000)
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169 #define USART_HardwareFlowControl_RTS ((uint32_t)USART_CR3_RTSE)
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170 #define USART_HardwareFlowControl_CTS ((uint32_t)USART_CR3_CTSE)
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171 #define USART_HardwareFlowControl_RTS_CTS ((uint32_t)USART_CR3_RTSE | USART_CR3_CTSE)
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172 #define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
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173 (((CONTROL) == USART_HardwareFlowControl_None) || \
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174 ((CONTROL) == USART_HardwareFlowControl_RTS) || \
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175 ((CONTROL) == USART_HardwareFlowControl_CTS) || \
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176 ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
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181 /** @defgroup USART_Clock
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185 #define USART_Clock_Disable ((uint32_t)0x00000000)
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186 #define USART_Clock_Enable USART_CR2_CLKEN
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187 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
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188 ((CLOCK) == USART_Clock_Enable))
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193 /** @defgroup USART_Clock_Polarity
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197 #define USART_CPOL_Low ((uint32_t)0x00000000)
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198 #define USART_CPOL_High USART_CR2_CPOL
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199 #define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))
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205 /** @defgroup USART_Clock_Phase
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209 #define USART_CPHA_1Edge ((uint32_t)0x00000000)
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210 #define USART_CPHA_2Edge USART_CR2_CPHA
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211 #define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))
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217 /** @defgroup USART_Last_Bit
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221 #define USART_LastBit_Disable ((uint32_t)0x00000000)
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222 #define USART_LastBit_Enable USART_CR2_LBCL
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223 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
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224 ((LASTBIT) == USART_LastBit_Enable))
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229 /** @defgroup USART_DMA_Requests
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233 #define USART_DMAReq_Tx USART_CR3_DMAT
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234 #define USART_DMAReq_Rx USART_CR3_DMAR
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235 #define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint32_t)0xFFFFFF3F) == 0x00) && \
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236 ((DMAREQ) != (uint32_t)0x00))
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242 /** @defgroup USART_DMA_Recception_Error
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246 #define USART_DMAOnError_Enable ((uint32_t)0x00000000)
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247 #define USART_DMAOnError_Disable USART_CR3_DDRE
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248 #define IS_USART_DMAONERROR(DMAERROR) (((DMAERROR) == USART_DMAOnError_Disable)|| \
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249 ((DMAERROR) == USART_DMAOnError_Enable))
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254 /** @defgroup USART_MuteMode_WakeUp_methods
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258 #define USART_WakeUp_IdleLine ((uint32_t)0x00000000)
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259 #define USART_WakeUp_AddressMark USART_CR1_WAKE
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260 #define IS_USART_MUTEMODE_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
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261 ((WAKEUP) == USART_WakeUp_AddressMark))
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266 /** @defgroup USART_Address_Detection
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270 #define USART_AddressLength_4b ((uint32_t)0x00000000)
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271 #define USART_AddressLength_7b USART_CR2_ADDM7
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272 #define IS_USART_ADDRESS_DETECTION(ADDRESS) (((ADDRESS) == USART_AddressLength_4b) || \
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273 ((ADDRESS) == USART_AddressLength_7b))
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278 /** @defgroup USART_StopMode_WakeUp_methods
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282 #define USART_WakeUpSource_AddressMatch ((uint32_t)0x00000000)
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283 #define USART_WakeUpSource_StartBit ((uint32_t)USART_CR3_WUS_1)
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284 #define USART_WakeUpSource_RXNE ((uint32_t)USART_CR3_WUS_0 | USART_CR3_WUS_1)
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285 #define IS_USART_STOPMODE_WAKEUPSOURCE(SOURCE) (((SOURCE) == USART_WakeUpSource_AddressMatch) || \
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286 ((SOURCE) == USART_WakeUpSource_StartBit) || \
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287 ((SOURCE) == USART_WakeUpSource_RXNE))
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292 /** @defgroup USART_LIN_Break_Detection_Length
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296 #define USART_LINBreakDetectLength_10b ((uint32_t)0x00000000)
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297 #define USART_LINBreakDetectLength_11b USART_CR2_LBDL
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298 #define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
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299 (((LENGTH) == USART_LINBreakDetectLength_10b) || \
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300 ((LENGTH) == USART_LINBreakDetectLength_11b))
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305 /** @defgroup USART_IrDA_Low_Power
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309 #define USART_IrDAMode_LowPower USART_CR3_IRLP
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310 #define USART_IrDAMode_Normal ((uint32_t)0x00000000)
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311 #define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
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312 ((MODE) == USART_IrDAMode_Normal))
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317 /** @defgroup USART_DE_Polarity
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321 #define USART_DEPolarity_High ((uint32_t)0x00000000)
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322 #define USART_DEPolarity_Low USART_CR3_DEP
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323 #define IS_USART_DE_POLARITY(POLARITY) (((POLARITY) == USART_DEPolarity_Low) || \
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324 ((POLARITY) == USART_DEPolarity_High))
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329 /** @defgroup USART_Inversion_Pins
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333 #define USART_InvPin_Tx USART_CR2_TXINV
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334 #define USART_InvPin_Rx USART_CR2_RXINV
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335 #define IS_USART_INVERSTION_PIN(PIN) ((((PIN) & (uint32_t)0xFFFCFFFF) == 0x00) && \
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336 ((PIN) != (uint32_t)0x00))
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342 /** @defgroup USART_AutoBaudRate_Mode
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346 #define USART_AutoBaudRate_StartBit ((uint32_t)0x00000000)
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347 #define USART_AutoBaudRate_FallingEdge USART_CR2_ABRMODE_0
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348 #define IS_USART_AUTOBAUDRATE_MODE(MODE) (((MODE) == USART_AutoBaudRate_StartBit) || \
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349 ((MODE) == USART_AutoBaudRate_FallingEdge))
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354 /** @defgroup USART_OVR_DETECTION
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358 #define USART_OVRDetection_Enable ((uint32_t)0x00000000)
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359 #define USART_OVRDetection_Disable USART_CR3_OVRDIS
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360 #define IS_USART_OVRDETECTION(OVR) (((OVR) == USART_OVRDetection_Enable)|| \
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361 ((OVR) == USART_OVRDetection_Disable))
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365 /** @defgroup USART_Request
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369 #define USART_Request_ABRRQ USART_RQR_ABRRQ
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370 #define USART_Request_SBKRQ USART_RQR_SBKRQ
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371 #define USART_Request_MMRQ USART_RQR_MMRQ
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372 #define USART_Request_RXFRQ USART_RQR_RXFRQ
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373 #define USART_Request_TXFRQ USART_RQR_TXFRQ
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375 #define IS_USART_REQUEST(REQUEST) (((REQUEST) == USART_Request_TXFRQ) || \
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376 ((REQUEST) == USART_Request_RXFRQ) || \
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377 ((REQUEST) == USART_Request_MMRQ) || \
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378 ((REQUEST) == USART_Request_SBKRQ) || \
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379 ((REQUEST) == USART_Request_ABRRQ))
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384 /** @defgroup USART_Flags
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387 #define USART_FLAG_REACK USART_ISR_REACK
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388 #define USART_FLAG_TEACK USART_ISR_TEACK
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389 #define USART_FLAG_WU USART_ISR_WUF
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390 #define USART_FLAG_RWU USART_ISR_RWU
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391 #define USART_FLAG_SBK USART_ISR_SBKF
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392 #define USART_FLAG_CM USART_ISR_CMF
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393 #define USART_FLAG_BUSY USART_ISR_BUSY
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394 #define USART_FLAG_ABRF USART_ISR_ABRF
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395 #define USART_FLAG_ABRE USART_ISR_ABRE
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396 #define USART_FLAG_EOB USART_ISR_EOBF
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397 #define USART_FLAG_RTO USART_ISR_RTOF
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398 #define USART_FLAG_nCTSS USART_ISR_CTS
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399 #define USART_FLAG_CTS USART_ISR_CTSIF
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400 #define USART_FLAG_LBD USART_ISR_LBD
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401 #define USART_FLAG_TXE USART_ISR_TXE
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402 #define USART_FLAG_TC USART_ISR_TC
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403 #define USART_FLAG_RXNE USART_ISR_RXNE
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404 #define USART_FLAG_IDLE USART_ISR_IDLE
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405 #define USART_FLAG_ORE USART_ISR_ORE
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406 #define USART_FLAG_NE USART_ISR_NE
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407 #define USART_FLAG_FE USART_ISR_FE
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408 #define USART_FLAG_PE USART_ISR_PE
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409 #define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
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410 ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
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411 ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
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412 ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
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413 ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
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414 ((FLAG) == USART_FLAG_nCTSS) || ((FLAG) == USART_FLAG_RTO) || \
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415 ((FLAG) == USART_FLAG_EOB) || ((FLAG) == USART_FLAG_ABRE) || \
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416 ((FLAG) == USART_FLAG_ABRF) || ((FLAG) == USART_FLAG_BUSY) || \
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417 ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_SBK) || \
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418 ((FLAG) == USART_FLAG_RWU) || ((FLAG) == USART_FLAG_WU) || \
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419 ((FLAG) == USART_FLAG_TEACK)|| ((FLAG) == USART_FLAG_REACK))
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421 #define IS_USART_CLEAR_FLAG(FLAG) (((FLAG) == USART_FLAG_WU) || ((FLAG) == USART_FLAG_TC) || \
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422 ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_ORE) || \
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423 ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
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424 ((FLAG) == USART_FLAG_LBD) || ((FLAG) == USART_FLAG_CTS) || \
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425 ((FLAG) == USART_FLAG_RTO) || ((FLAG) == USART_FLAG_EOB) || \
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426 ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_PE))
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431 /** @defgroup USART_Interrupt_definition
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432 * @brief USART Interrupt definition
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433 * USART_IT possible values
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434 * Elements values convention: 0xZZZZYYXX
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435 * XX: Position of the corresponding Interrupt
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436 * YY: Register index
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437 * ZZZZ: Flag position
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441 #define USART_IT_WU ((uint32_t)0x00140316)
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442 #define USART_IT_CM ((uint32_t)0x0011010E)
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443 #define USART_IT_EOB ((uint32_t)0x000C011B)
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444 #define USART_IT_RTO ((uint32_t)0x000B011A)
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445 #define USART_IT_PE ((uint32_t)0x00000108)
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446 #define USART_IT_TXE ((uint32_t)0x00070107)
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447 #define USART_IT_TC ((uint32_t)0x00060106)
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448 #define USART_IT_RXNE ((uint32_t)0x00050105)
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449 #define USART_IT_IDLE ((uint32_t)0x00040104)
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450 #define USART_IT_LBD ((uint32_t)0x00080206)
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451 #define USART_IT_CTS ((uint32_t)0x0009030A)
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452 #define USART_IT_ERR ((uint32_t)0x00000300)
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453 #define USART_IT_ORE ((uint32_t)0x00030300)
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454 #define USART_IT_NE ((uint32_t)0x00020300)
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455 #define USART_IT_FE ((uint32_t)0x00010300)
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457 #define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
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458 ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
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459 ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
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460 ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR) || \
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461 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
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462 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
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464 #define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
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465 ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
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466 ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
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467 ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
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468 ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE) || \
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469 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
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470 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
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472 #define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_PE) || \
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473 ((IT) == USART_IT_FE) || ((IT) == USART_IT_NE) || \
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474 ((IT) == USART_IT_ORE) || ((IT) == USART_IT_IDLE) || \
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475 ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS) || \
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476 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
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477 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
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482 /** @defgroup USART_Global_definition
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486 #define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x005B8D81))
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487 #define IS_USART_DE_ASSERTION_DEASSERTION_TIME(TIME) ((TIME) <= 0x1F)
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488 #define IS_USART_AUTO_RETRY_COUNTER(COUNTER) ((COUNTER) <= 0x7)
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489 #define IS_USART_TIMEOUT(TIMEOUT) ((TIMEOUT) <= 0x00FFFFFF)
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490 #define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)
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500 /* Exported macro ------------------------------------------------------------*/
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501 /* Exported functions ------------------------------------------------------- */
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503 /* Initialization and Configuration functions *********************************/
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504 void USART_DeInit(USART_TypeDef* USARTx);
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505 void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
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506 void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
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507 void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
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508 void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
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509 void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
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510 void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState);
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511 void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler);
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512 void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
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513 void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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514 void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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515 void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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516 void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState);
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517 void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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518 void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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519 void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut);
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521 /* STOP Mode functions ********************************************************/
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522 void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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523 void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource);
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525 /* AutoBaudRate functions *****************************************************/
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526 void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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527 void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate);
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528 void USART_AutoBaudRateNewRequest(USART_TypeDef* USARTx);
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530 /* Data transfers functions ***************************************************/
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531 void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
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532 uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
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534 /* Multi-Processor Communication functions ************************************/
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535 void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
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536 void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp);
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537 void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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538 void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength);
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539 /* LIN mode functions *********************************************************/
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540 void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength);
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541 void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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543 /* Half-duplex mode function **************************************************/
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544 void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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546 /* Smartcard mode functions ***************************************************/
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547 void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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548 void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState);
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549 void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime);
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550 void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount);
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551 void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength);
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553 /* IrDA mode functions ********************************************************/
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554 void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode);
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555 void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState);
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557 /* RS485 mode functions *******************************************************/
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558 void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState);
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559 void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity);
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560 void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime);
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561 void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime);
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563 /* DMA transfers management functions *****************************************/
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564 void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState);
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565 void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError);
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567 /* Interrupts and flags management functions **********************************/
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568 void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState);
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569 void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState);
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570 void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection);
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571 FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG);
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572 void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG);
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573 ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT);
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574 void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT);
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580 #endif /* __STM32F0XX_USART_H */
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590 /******************* (C) COPYRIGHT 2012 STMicroelectronics *****END OF FILE****/
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