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TARGET_ARCH_MAX/stm32f4xx_hal_usart.h@121:672067c3ada4, 2016-04-14 (annotated)

Committer:
elijahorr
Date:
Thu Apr 14 07:28:54 2016 +0000
Revision:
121:672067c3ada4
Parent:
110:165afa46840b 
.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 89:552587b429a1 1 /**
bogdanm 89:552587b429a1 2 ******************************************************************************
bogdanm 89:552587b429a1 3 * @file stm32f4xx_hal_usart.h
bogdanm 89:552587b429a1 4 * @author MCD Application Team
Kojto 110:165afa46840b 5 * @version V1.4.1
Kojto 110:165afa46840b 6 * @date 09-October-2015
bogdanm 89:552587b429a1 7 * @brief Header file of USART HAL module.
bogdanm 89:552587b429a1 8 ******************************************************************************
bogdanm 89:552587b429a1 9 * @attention
bogdanm 89:552587b429a1 10 *
Kojto 99:dbbf35b96557 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 89:552587b429a1 12 *
bogdanm 89:552587b429a1 13 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 89:552587b429a1 14 * are permitted provided that the following conditions are met:
bogdanm 89:552587b429a1 15 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 89:552587b429a1 16 * this list of conditions and the following disclaimer.
bogdanm 89:552587b429a1 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 89:552587b429a1 18 * this list of conditions and the following disclaimer in the documentation
bogdanm 89:552587b429a1 19 * and/or other materials provided with the distribution.
bogdanm 89:552587b429a1 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 89:552587b429a1 21 * may be used to endorse or promote products derived from this software
bogdanm 89:552587b429a1 22 * without specific prior written permission.
bogdanm 89:552587b429a1 23 *
bogdanm 89:552587b429a1 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 89:552587b429a1 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 89:552587b429a1 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 89:552587b429a1 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 89:552587b429a1 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 89:552587b429a1 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 89:552587b429a1 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 89:552587b429a1 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 89:552587b429a1 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 89:552587b429a1 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 89:552587b429a1 34 *
bogdanm 89:552587b429a1 35 ******************************************************************************
bogdanm 89:552587b429a1 36 */
bogdanm 89:552587b429a1 37
bogdanm 89:552587b429a1 38 /* Define to prevent recursive inclusion -------------------------------------*/
bogdanm 89:552587b429a1 39 #ifndef __STM32F4xx_HAL_USART_H
bogdanm 89:552587b429a1 40 #define __STM32F4xx_HAL_USART_H
bogdanm 89:552587b429a1 41
bogdanm 89:552587b429a1 42 #ifdef __cplusplus
bogdanm 89:552587b429a1 43 extern "C" {
bogdanm 89:552587b429a1 44 #endif
bogdanm 89:552587b429a1 45
bogdanm 89:552587b429a1 46 /* Includes ------------------------------------------------------------------*/
bogdanm 89:552587b429a1 47 #include "stm32f4xx_hal_def.h"
bogdanm 89:552587b429a1 48
bogdanm 89:552587b429a1 49 /** @addtogroup STM32F4xx_HAL_Driver
bogdanm 89:552587b429a1 50 * @{
bogdanm 89:552587b429a1 51 */
bogdanm 89:552587b429a1 52
bogdanm 89:552587b429a1 53 /** @addtogroup USART
bogdanm 89:552587b429a1 54 * @{
bogdanm 89:552587b429a1 55 */
bogdanm 89:552587b429a1 56
bogdanm 89:552587b429a1 57 /* Exported types ------------------------------------------------------------*/
Kojto 99:dbbf35b96557 58 /** @defgroup USART_Exported_Types USART Exported Types
Kojto 99:dbbf35b96557 59 * @{
Kojto 99:dbbf35b96557 60 */
Kojto 99:dbbf35b96557 61
bogdanm 89:552587b429a1 62 /**
bogdanm 89:552587b429a1 63 * @brief USART Init Structure definition
bogdanm 89:552587b429a1 64 */
bogdanm 89:552587b429a1 65 typedef struct
bogdanm 89:552587b429a1 66 {
bogdanm 89:552587b429a1 67 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
bogdanm 89:552587b429a1 68 The baud rate is computed using the following formula:
bogdanm 89:552587b429a1 69 - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate)))
bogdanm 89:552587b429a1 70 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */
bogdanm 89:552587b429a1 71
bogdanm 89:552587b429a1 72 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
bogdanm 89:552587b429a1 73 This parameter can be a value of @ref USART_Word_Length */
bogdanm 89:552587b429a1 74
bogdanm 89:552587b429a1 75 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
bogdanm 89:552587b429a1 76 This parameter can be a value of @ref USART_Stop_Bits */
bogdanm 89:552587b429a1 77
bogdanm 89:552587b429a1 78 uint32_t Parity; /*!< Specifies the parity mode.
bogdanm 89:552587b429a1 79 This parameter can be a value of @ref USART_Parity
bogdanm 89:552587b429a1 80 @note When parity is enabled, the computed parity is inserted
bogdanm 89:552587b429a1 81 at the MSB position of the transmitted data (9th bit when
bogdanm 89:552587b429a1 82 the word length is set to 9 data bits; 8th bit when the
bogdanm 89:552587b429a1 83 word length is set to 8 data bits). */
bogdanm 89:552587b429a1 84
Kojto 99:dbbf35b96557 85 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
bogdanm 89:552587b429a1 86 This parameter can be a value of @ref USART_Mode */
bogdanm 89:552587b429a1 87
bogdanm 89:552587b429a1 88 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
bogdanm 89:552587b429a1 89 This parameter can be a value of @ref USART_Clock_Polarity */
bogdanm 89:552587b429a1 90
bogdanm 89:552587b429a1 91 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
bogdanm 89:552587b429a1 92 This parameter can be a value of @ref USART_Clock_Phase */
bogdanm 89:552587b429a1 93
bogdanm 89:552587b429a1 94 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
bogdanm 89:552587b429a1 95 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
bogdanm 89:552587b429a1 96 This parameter can be a value of @ref USART_Last_Bit */
bogdanm 89:552587b429a1 97 }USART_InitTypeDef;
bogdanm 89:552587b429a1 98
bogdanm 89:552587b429a1 99 /**
bogdanm 89:552587b429a1 100 * @brief HAL State structures definition
bogdanm 89:552587b429a1 101 */
bogdanm 89:552587b429a1 102 typedef enum
bogdanm 89:552587b429a1 103 {
bogdanm 89:552587b429a1 104 HAL_USART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */
bogdanm 89:552587b429a1 105 HAL_USART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */
bogdanm 89:552587b429a1 106 HAL_USART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */
bogdanm 89:552587b429a1 107 HAL_USART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
bogdanm 89:552587b429a1 108 HAL_USART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
bogdanm 89:552587b429a1 109 HAL_USART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission Reception process is ongoing */
bogdanm 89:552587b429a1 110 HAL_USART_STATE_TIMEOUT = 0x03, /*!< Timeout state */
bogdanm 89:552587b429a1 111 HAL_USART_STATE_ERROR = 0x04 /*!< Error */
bogdanm 89:552587b429a1 112 }HAL_USART_StateTypeDef;
bogdanm 89:552587b429a1 113
bogdanm 89:552587b429a1 114 /**
bogdanm 89:552587b429a1 115 * @brief USART handle Structure definition
bogdanm 89:552587b429a1 116 */
bogdanm 89:552587b429a1 117 typedef struct
bogdanm 89:552587b429a1 118 {
bogdanm 89:552587b429a1 119 USART_TypeDef *Instance; /* USART registers base address */
bogdanm 89:552587b429a1 120
bogdanm 89:552587b429a1 121 USART_InitTypeDef Init; /* Usart communication parameters */
bogdanm 89:552587b429a1 122
bogdanm 89:552587b429a1 123 uint8_t *pTxBuffPtr; /* Pointer to Usart Tx transfer Buffer */
bogdanm 89:552587b429a1 124
bogdanm 89:552587b429a1 125 uint16_t TxXferSize; /* Usart Tx Transfer size */
bogdanm 89:552587b429a1 126
bogdanm 89:552587b429a1 127 __IO uint16_t TxXferCount; /* Usart Tx Transfer Counter */
bogdanm 89:552587b429a1 128
bogdanm 89:552587b429a1 129 uint8_t *pRxBuffPtr; /* Pointer to Usart Rx transfer Buffer */
bogdanm 89:552587b429a1 130
bogdanm 89:552587b429a1 131 uint16_t RxXferSize; /* Usart Rx Transfer size */
bogdanm 89:552587b429a1 132
bogdanm 89:552587b429a1 133 __IO uint16_t RxXferCount; /* Usart Rx Transfer Counter */
bogdanm 89:552587b429a1 134
bogdanm 89:552587b429a1 135 DMA_HandleTypeDef *hdmatx; /* Usart Tx DMA Handle parameters */
bogdanm 89:552587b429a1 136
bogdanm 89:552587b429a1 137 DMA_HandleTypeDef *hdmarx; /* Usart Rx DMA Handle parameters */
bogdanm 89:552587b429a1 138
bogdanm 89:552587b429a1 139 HAL_LockTypeDef Lock; /* Locking object */
bogdanm 89:552587b429a1 140
bogdanm 89:552587b429a1 141 __IO HAL_USART_StateTypeDef State; /* Usart communication state */
bogdanm 89:552587b429a1 142
Kojto 99:dbbf35b96557 143 __IO uint32_t ErrorCode; /* USART Error code */
Kojto 99:dbbf35b96557 144
bogdanm 89:552587b429a1 145 }USART_HandleTypeDef;
Kojto 99:dbbf35b96557 146 /**
Kojto 99:dbbf35b96557 147 * @}
Kojto 99:dbbf35b96557 148 */
bogdanm 89:552587b429a1 149
bogdanm 89:552587b429a1 150 /* Exported constants --------------------------------------------------------*/
Kojto 99:dbbf35b96557 151 /** @defgroup USART_Exported_Constants USART Exported Constants
bogdanm 89:552587b429a1 152 * @{
bogdanm 89:552587b429a1 153 */
bogdanm 89:552587b429a1 154
Kojto 99:dbbf35b96557 155 /** @defgroup USART_Error_Code USART Error Code
Kojto 99:dbbf35b96557 156 * @brief USART Error Code
Kojto 99:dbbf35b96557 157 * @{
Kojto 99:dbbf35b96557 158 */
Kojto 99:dbbf35b96557 159 #define HAL_USART_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
Kojto 99:dbbf35b96557 160 #define HAL_USART_ERROR_PE ((uint32_t)0x00000001) /*!< Parity error */
Kojto 99:dbbf35b96557 161 #define HAL_USART_ERROR_NE ((uint32_t)0x00000002) /*!< Noise error */
Kojto 99:dbbf35b96557 162 #define HAL_USART_ERROR_FE ((uint32_t)0x00000004) /*!< Frame error */
Kojto 99:dbbf35b96557 163 #define HAL_USART_ERROR_ORE ((uint32_t)0x00000008) /*!< Overrun error */
Kojto 99:dbbf35b96557 164 #define HAL_USART_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */
Kojto 99:dbbf35b96557 165 /**
Kojto 99:dbbf35b96557 166 * @}
Kojto 99:dbbf35b96557 167 */
Kojto 99:dbbf35b96557 168
Kojto 99:dbbf35b96557 169 /** @defgroup USART_Word_Length USART Word Length
bogdanm 89:552587b429a1 170 * @{
bogdanm 89:552587b429a1 171 */
bogdanm 89:552587b429a1 172 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 173 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
bogdanm 89:552587b429a1 174 /**
bogdanm 89:552587b429a1 175 * @}
bogdanm 89:552587b429a1 176 */
bogdanm 89:552587b429a1 177
Kojto 99:dbbf35b96557 178 /** @defgroup USART_Stop_Bits USART Number of Stop Bits
bogdanm 89:552587b429a1 179 * @{
bogdanm 89:552587b429a1 180 */
bogdanm 89:552587b429a1 181 #define USART_STOPBITS_1 ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 182 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
bogdanm 89:552587b429a1 183 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
bogdanm 89:552587b429a1 184 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
bogdanm 89:552587b429a1 185 /**
bogdanm 89:552587b429a1 186 * @}
bogdanm 89:552587b429a1 187 */
bogdanm 89:552587b429a1 188
Kojto 99:dbbf35b96557 189 /** @defgroup USART_Parity USART Parity
bogdanm 89:552587b429a1 190 * @{
bogdanm 89:552587b429a1 191 */
bogdanm 89:552587b429a1 192 #define USART_PARITY_NONE ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 193 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
Kojto 99:dbbf35b96557 194 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
bogdanm 89:552587b429a1 195 /**
bogdanm 89:552587b429a1 196 * @}
bogdanm 89:552587b429a1 197 */
bogdanm 89:552587b429a1 198
Kojto 99:dbbf35b96557 199 /** @defgroup USART_Mode USART Mode
bogdanm 89:552587b429a1 200 * @{
bogdanm 89:552587b429a1 201 */
bogdanm 89:552587b429a1 202 #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
bogdanm 89:552587b429a1 203 #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
bogdanm 89:552587b429a1 204 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
bogdanm 89:552587b429a1 205 /**
bogdanm 89:552587b429a1 206 * @}
bogdanm 89:552587b429a1 207 */
bogdanm 89:552587b429a1 208
Kojto 99:dbbf35b96557 209 /** @defgroup USART_Clock USART Clock
bogdanm 89:552587b429a1 210 * @{
bogdanm 89:552587b429a1 211 */
Kojto 99:dbbf35b96557 212 #define USART_CLOCK_DISABLE ((uint32_t)0x00000000)
Kojto 99:dbbf35b96557 213 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
bogdanm 89:552587b429a1 214 /**
bogdanm 89:552587b429a1 215 * @}
bogdanm 89:552587b429a1 216 */
bogdanm 89:552587b429a1 217
Kojto 99:dbbf35b96557 218 /** @defgroup USART_Clock_Polarity USART Clock Polarity
bogdanm 89:552587b429a1 219 * @{
bogdanm 89:552587b429a1 220 */
bogdanm 89:552587b429a1 221 #define USART_POLARITY_LOW ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 222 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
bogdanm 89:552587b429a1 223 /**
bogdanm 89:552587b429a1 224 * @}
bogdanm 89:552587b429a1 225 */
bogdanm 89:552587b429a1 226
Kojto 99:dbbf35b96557 227 /** @defgroup USART_Clock_Phase USART Clock Phase
bogdanm 89:552587b429a1 228 * @{
bogdanm 89:552587b429a1 229 */
bogdanm 89:552587b429a1 230 #define USART_PHASE_1EDGE ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 231 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
bogdanm 89:552587b429a1 232 /**
bogdanm 89:552587b429a1 233 * @}
bogdanm 89:552587b429a1 234 */
bogdanm 89:552587b429a1 235
Kojto 99:dbbf35b96557 236 /** @defgroup USART_Last_Bit USART Last Bit
bogdanm 89:552587b429a1 237 * @{
bogdanm 89:552587b429a1 238 */
bogdanm 89:552587b429a1 239 #define USART_LASTBIT_DISABLE ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 240 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
bogdanm 89:552587b429a1 241 /**
bogdanm 89:552587b429a1 242 * @}
bogdanm 89:552587b429a1 243 */
bogdanm 89:552587b429a1 244
Kojto 99:dbbf35b96557 245 /** @defgroup USART_NACK_State USART NACK State
bogdanm 89:552587b429a1 246 * @{
bogdanm 89:552587b429a1 247 */
Kojto 99:dbbf35b96557 248 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
Kojto 99:dbbf35b96557 249 #define USART_NACK_DISABLE ((uint32_t)0x00000000)
bogdanm 89:552587b429a1 250 /**
bogdanm 89:552587b429a1 251 * @}
bogdanm 89:552587b429a1 252 */
bogdanm 89:552587b429a1 253
Kojto 99:dbbf35b96557 254 /** @defgroup USART_Flags USART Flags
bogdanm 89:552587b429a1 255 * Elements values convention: 0xXXXX
bogdanm 89:552587b429a1 256 * - 0xXXXX : Flag mask in the SR register
bogdanm 89:552587b429a1 257 * @{
bogdanm 89:552587b429a1 258 */
bogdanm 89:552587b429a1 259 #define USART_FLAG_TXE ((uint32_t)0x00000080)
bogdanm 89:552587b429a1 260 #define USART_FLAG_TC ((uint32_t)0x00000040)
bogdanm 89:552587b429a1 261 #define USART_FLAG_RXNE ((uint32_t)0x00000020)
bogdanm 89:552587b429a1 262 #define USART_FLAG_IDLE ((uint32_t)0x00000010)
bogdanm 89:552587b429a1 263 #define USART_FLAG_ORE ((uint32_t)0x00000008)
bogdanm 89:552587b429a1 264 #define USART_FLAG_NE ((uint32_t)0x00000004)
bogdanm 89:552587b429a1 265 #define USART_FLAG_FE ((uint32_t)0x00000002)
bogdanm 89:552587b429a1 266 #define USART_FLAG_PE ((uint32_t)0x00000001)
bogdanm 89:552587b429a1 267 /**
bogdanm 89:552587b429a1 268 * @}
bogdanm 89:552587b429a1 269 */
bogdanm 89:552587b429a1 270
Kojto 99:dbbf35b96557 271 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
bogdanm 89:552587b429a1 272 * Elements values convention: 0xY000XXXX
bogdanm 89:552587b429a1 273 * - XXXX : Interrupt mask in the XX register
bogdanm 89:552587b429a1 274 * - Y : Interrupt source register (2bits)
bogdanm 89:552587b429a1 275 * - 01: CR1 register
bogdanm 89:552587b429a1 276 * - 10: CR2 register
bogdanm 89:552587b429a1 277 * - 11: CR3 register
bogdanm 89:552587b429a1 278 *
bogdanm 89:552587b429a1 279 * @{
bogdanm 89:552587b429a1 280 */
Kojto 99:dbbf35b96557 281 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
Kojto 99:dbbf35b96557 282 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
Kojto 99:dbbf35b96557 283 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
Kojto 99:dbbf35b96557 284 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
Kojto 99:dbbf35b96557 285 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))
bogdanm 89:552587b429a1 286
Kojto 99:dbbf35b96557 287 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE))
bogdanm 89:552587b429a1 288
Kojto 99:dbbf35b96557 289 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
Kojto 99:dbbf35b96557 290 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_EIE))
bogdanm 89:552587b429a1 291 /**
bogdanm 89:552587b429a1 292 * @}
bogdanm 89:552587b429a1 293 */
bogdanm 89:552587b429a1 294
bogdanm 89:552587b429a1 295 /**
bogdanm 89:552587b429a1 296 * @}
bogdanm 89:552587b429a1 297 */
Kojto 99:dbbf35b96557 298
bogdanm 89:552587b429a1 299 /* Exported macro ------------------------------------------------------------*/
Kojto 99:dbbf35b96557 300 /** @defgroup USART_Exported_Macros USART Exported Macros
Kojto 99:dbbf35b96557 301 * @{
Kojto 99:dbbf35b96557 302 */
Kojto 99:dbbf35b96557 303
bogdanm 89:552587b429a1 304 /** @brief Reset USART handle state
bogdanm 89:552587b429a1 305 * @param __HANDLE__: specifies the USART Handle.
bogdanm 89:552587b429a1 306 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 89:552587b429a1 307 * @retval None
bogdanm 89:552587b429a1 308 */
bogdanm 89:552587b429a1 309 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
bogdanm 89:552587b429a1 310
bogdanm 89:552587b429a1 311 /** @brief Checks whether the specified Smartcard flag is set or not.
bogdanm 89:552587b429a1 312 * @param __HANDLE__: specifies the USART Handle.
bogdanm 89:552587b429a1 313 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 89:552587b429a1 314 * @param __FLAG__: specifies the flag to check.
bogdanm 89:552587b429a1 315 * This parameter can be one of the following values:
bogdanm 89:552587b429a1 316 * @arg USART_FLAG_TXE: Transmit data register empty flag
bogdanm 89:552587b429a1 317 * @arg USART_FLAG_TC: Transmission Complete flag
bogdanm 89:552587b429a1 318 * @arg USART_FLAG_RXNE: Receive data register not empty flag
bogdanm 89:552587b429a1 319 * @arg USART_FLAG_IDLE: Idle Line detection flag
Kojto 99:dbbf35b96557 320 * @arg USART_FLAG_ORE: Overrun Error flag
bogdanm 89:552587b429a1 321 * @arg USART_FLAG_NE: Noise Error flag
bogdanm 89:552587b429a1 322 * @arg USART_FLAG_FE: Framing Error flag
bogdanm 89:552587b429a1 323 * @arg USART_FLAG_PE: Parity Error flag
bogdanm 89:552587b429a1 324 * @retval The new state of __FLAG__ (TRUE or FALSE).
bogdanm 89:552587b429a1 325 */
bogdanm 89:552587b429a1 326 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
bogdanm 89:552587b429a1 327
bogdanm 89:552587b429a1 328 /** @brief Clears the specified Smartcard pending flags.
bogdanm 89:552587b429a1 329 * @param __HANDLE__: specifies the USART Handle.
bogdanm 89:552587b429a1 330 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 89:552587b429a1 331 * @param __FLAG__: specifies the flag to check.
bogdanm 89:552587b429a1 332 * This parameter can be any combination of the following values:
bogdanm 89:552587b429a1 333 * @arg USART_FLAG_TC: Transmission Complete flag.
bogdanm 89:552587b429a1 334 * @arg USART_FLAG_RXNE: Receive data register not empty flag.
bogdanm 89:552587b429a1 335 *
Kojto 99:dbbf35b96557 336 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
bogdanm 89:552587b429a1 337 * error) and IDLE (Idle line detected) flags are cleared by software
bogdanm 89:552587b429a1 338 * sequence: a read operation to USART_SR register followed by a read
bogdanm 89:552587b429a1 339 * operation to USART_DR register.
bogdanm 89:552587b429a1 340 * @note RXNE flag can be also cleared by a read to the USART_DR register.
bogdanm 89:552587b429a1 341 * @note TC flag can be also cleared by software sequence: a read operation to
bogdanm 89:552587b429a1 342 * USART_SR register followed by a write operation to USART_DR register.
bogdanm 89:552587b429a1 343 * @note TXE flag is cleared only by a write to the USART_DR register.
bogdanm 89:552587b429a1 344 *
bogdanm 89:552587b429a1 345 * @retval None
bogdanm 89:552587b429a1 346 */
bogdanm 92:4fc01daae5a5 347 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
bogdanm 92:4fc01daae5a5 348
bogdanm 92:4fc01daae5a5 349 /** @brief Clear the USART PE pending flag.
bogdanm 92:4fc01daae5a5 350 * @param __HANDLE__: specifies the USART Handle.
bogdanm 92:4fc01daae5a5 351 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 92:4fc01daae5a5 352 * @retval None
bogdanm 92:4fc01daae5a5 353 */
Kojto 99:dbbf35b96557 354 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
Kojto 99:dbbf35b96557 355 do{ \
Kojto 99:dbbf35b96557 356 __IO uint32_t tmpreg; \
Kojto 99:dbbf35b96557 357 tmpreg = (__HANDLE__)->Instance->SR; \
Kojto 99:dbbf35b96557 358 tmpreg = (__HANDLE__)->Instance->DR; \
Kojto 99:dbbf35b96557 359 UNUSED(tmpreg); \
Kojto 99:dbbf35b96557 360 } while(0)
Kojto 99:dbbf35b96557 361
bogdanm 92:4fc01daae5a5 362 /** @brief Clear the USART FE pending flag.
bogdanm 92:4fc01daae5a5 363 * @param __HANDLE__: specifies the USART Handle.
bogdanm 92:4fc01daae5a5 364 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 92:4fc01daae5a5 365 * @retval None
bogdanm 92:4fc01daae5a5 366 */
bogdanm 92:4fc01daae5a5 367 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
bogdanm 89:552587b429a1 368
bogdanm 92:4fc01daae5a5 369 /** @brief Clear the USART NE pending flag.
bogdanm 92:4fc01daae5a5 370 * @param __HANDLE__: specifies the USART Handle.
bogdanm 92:4fc01daae5a5 371 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 92:4fc01daae5a5 372 * @retval None
bogdanm 92:4fc01daae5a5 373 */
bogdanm 92:4fc01daae5a5 374 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
bogdanm 92:4fc01daae5a5 375
bogdanm 92:4fc01daae5a5 376 /** @brief Clear the UART ORE pending flag.
bogdanm 92:4fc01daae5a5 377 * @param __HANDLE__: specifies the USART Handle.
bogdanm 92:4fc01daae5a5 378 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 92:4fc01daae5a5 379 * @retval None
bogdanm 92:4fc01daae5a5 380 */
bogdanm 92:4fc01daae5a5 381 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
bogdanm 92:4fc01daae5a5 382
bogdanm 92:4fc01daae5a5 383 /** @brief Clear the USART IDLE pending flag.
bogdanm 92:4fc01daae5a5 384 * @param __HANDLE__: specifies the USART Handle.
bogdanm 92:4fc01daae5a5 385 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 92:4fc01daae5a5 386 * @retval None
bogdanm 92:4fc01daae5a5 387 */
bogdanm 92:4fc01daae5a5 388 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
bogdanm 89:552587b429a1 389
Kojto 99:dbbf35b96557 390 /** @brief Enables or disables the specified USART interrupts.
bogdanm 89:552587b429a1 391 * @param __HANDLE__: specifies the USART Handle.
bogdanm 89:552587b429a1 392 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 89:552587b429a1 393 * @param __INTERRUPT__: specifies the USART interrupt source to check.
bogdanm 89:552587b429a1 394 * This parameter can be one of the following values:
bogdanm 89:552587b429a1 395 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
bogdanm 89:552587b429a1 396 * @arg USART_IT_TC: Transmission complete interrupt
bogdanm 89:552587b429a1 397 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
bogdanm 89:552587b429a1 398 * @arg USART_IT_IDLE: Idle line detection interrupt
bogdanm 89:552587b429a1 399 * @arg USART_IT_PE: Parity Error interrupt
bogdanm 89:552587b429a1 400 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
bogdanm 89:552587b429a1 401 * This parameter can be: ENABLE or DISABLE.
bogdanm 89:552587b429a1 402 * @retval None
bogdanm 89:552587b429a1 403 */
Kojto 99:dbbf35b96557 404 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
Kojto 99:dbbf35b96557 405 (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
Kojto 99:dbbf35b96557 406 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
Kojto 99:dbbf35b96557 407 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
Kojto 99:dbbf35b96557 408 (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
Kojto 99:dbbf35b96557 409 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
bogdanm 89:552587b429a1 410
Kojto 99:dbbf35b96557 411 /** @brief Checks whether the specified USART interrupt has occurred or not.
bogdanm 89:552587b429a1 412 * @param __HANDLE__: specifies the USART Handle.
bogdanm 89:552587b429a1 413 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
bogdanm 89:552587b429a1 414 * @param __IT__: specifies the USART interrupt source to check.
bogdanm 89:552587b429a1 415 * This parameter can be one of the following values:
bogdanm 89:552587b429a1 416 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
bogdanm 89:552587b429a1 417 * @arg USART_IT_TC: Transmission complete interrupt
bogdanm 89:552587b429a1 418 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
bogdanm 89:552587b429a1 419 * @arg USART_IT_IDLE: Idle line detection interrupt
bogdanm 89:552587b429a1 420 * @arg USART_IT_ERR: Error interrupt
bogdanm 89:552587b429a1 421 * @arg USART_IT_PE: Parity Error interrupt
bogdanm 89:552587b429a1 422 * @retval The new state of __IT__ (TRUE or FALSE).
bogdanm 89:552587b429a1 423 */
bogdanm 89:552587b429a1 424 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \
bogdanm 89:552587b429a1 425 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
bogdanm 89:552587b429a1 426
Kojto 99:dbbf35b96557 427 /** @brief Macro to enable the USART's one bit sample method
Kojto 99:dbbf35b96557 428 * @param __HANDLE__: specifies the USART Handle.
Kojto 99:dbbf35b96557 429 * @retval None
Kojto 99:dbbf35b96557 430 */
Kojto 99:dbbf35b96557 431 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
Kojto 99:dbbf35b96557 432
Kojto 99:dbbf35b96557 433 /** @brief Macro to disable the USART's one bit sample method
Kojto 99:dbbf35b96557 434 * @param __HANDLE__: specifies the USART Handle.
Kojto 99:dbbf35b96557 435 * @retval None
Kojto 99:dbbf35b96557 436 */
Kojto 99:dbbf35b96557 437 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
Kojto 99:dbbf35b96557 438
Kojto 99:dbbf35b96557 439 /** @brief Enable USART
Kojto 99:dbbf35b96557 440 * @param __HANDLE__: specifies the USART Handle.
Kojto 99:dbbf35b96557 441 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
Kojto 99:dbbf35b96557 442 * @retval None
Kojto 99:dbbf35b96557 443 */
Kojto 99:dbbf35b96557 444 #define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
bogdanm 89:552587b429a1 445
Kojto 99:dbbf35b96557 446 /** @brief Disable USART
Kojto 99:dbbf35b96557 447 * @param __HANDLE__: specifies the USART Handle.
Kojto 99:dbbf35b96557 448 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
Kojto 99:dbbf35b96557 449 * @retval None
Kojto 99:dbbf35b96557 450 */
Kojto 99:dbbf35b96557 451 #define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
Kojto 99:dbbf35b96557 452
Kojto 99:dbbf35b96557 453 /**
Kojto 99:dbbf35b96557 454 * @}
Kojto 99:dbbf35b96557 455 */
bogdanm 89:552587b429a1 456 /* Exported functions --------------------------------------------------------*/
Kojto 99:dbbf35b96557 457 /** @addtogroup USART_Exported_Functions
Kojto 99:dbbf35b96557 458 * @{
Kojto 99:dbbf35b96557 459 */
Kojto 99:dbbf35b96557 460
Kojto 99:dbbf35b96557 461 /** @addtogroup USART_Exported_Functions_Group1
Kojto 99:dbbf35b96557 462 * @{
Kojto 99:dbbf35b96557 463 */
bogdanm 89:552587b429a1 464 /* Initialization/de-initialization functions **********************************/
bogdanm 89:552587b429a1 465 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 466 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 467 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 468 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
Kojto 99:dbbf35b96557 469 /**
Kojto 99:dbbf35b96557 470 * @}
Kojto 99:dbbf35b96557 471 */
Kojto 99:dbbf35b96557 472
Kojto 99:dbbf35b96557 473 /** @addtogroup USART_Exported_Functions_Group2
Kojto 99:dbbf35b96557 474 * @{
Kojto 99:dbbf35b96557 475 */
bogdanm 89:552587b429a1 476 /* IO operation functions *******************************************************/
bogdanm 89:552587b429a1 477 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
bogdanm 89:552587b429a1 478 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
bogdanm 89:552587b429a1 479 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
bogdanm 89:552587b429a1 480 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
bogdanm 89:552587b429a1 481 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
bogdanm 89:552587b429a1 482 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
bogdanm 89:552587b429a1 483 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
bogdanm 89:552587b429a1 484 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
bogdanm 89:552587b429a1 485 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
bogdanm 89:552587b429a1 486 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 487 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 488 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 489 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 490 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 491 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 492 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 493 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 494 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 495 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
Kojto 99:dbbf35b96557 496 /**
Kojto 99:dbbf35b96557 497 * @}
Kojto 99:dbbf35b96557 498 */
bogdanm 89:552587b429a1 499
Kojto 99:dbbf35b96557 500 /** @addtogroup USART_Exported_Functions_Group3
Kojto 99:dbbf35b96557 501 * @{
Kojto 99:dbbf35b96557 502 */
Kojto 99:dbbf35b96557 503 /* Peripheral State functions ************************************************/
bogdanm 89:552587b429a1 504 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
bogdanm 89:552587b429a1 505 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
Kojto 99:dbbf35b96557 506 /**
Kojto 99:dbbf35b96557 507 * @}
Kojto 99:dbbf35b96557 508 */
Kojto 99:dbbf35b96557 509
Kojto 99:dbbf35b96557 510 /**
Kojto 99:dbbf35b96557 511 * @}
Kojto 99:dbbf35b96557 512 */
Kojto 99:dbbf35b96557 513 /* Private types -------------------------------------------------------------*/
Kojto 99:dbbf35b96557 514 /* Private variables ---------------------------------------------------------*/
Kojto 99:dbbf35b96557 515 /* Private constants ---------------------------------------------------------*/
Kojto 99:dbbf35b96557 516 /** @defgroup USART_Private_Constants USART Private Constants
Kojto 99:dbbf35b96557 517 * @{
Kojto 99:dbbf35b96557 518 */
Kojto 99:dbbf35b96557 519 /** @brief USART interruptions flag mask
Kojto 99:dbbf35b96557 520 *
Kojto 99:dbbf35b96557 521 */
Kojto 99:dbbf35b96557 522 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
Kojto 99:dbbf35b96557 523 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
Kojto 99:dbbf35b96557 524
Kojto 99:dbbf35b96557 525
Kojto 99:dbbf35b96557 526 #define USART_CR1_REG_INDEX 1
Kojto 99:dbbf35b96557 527 #define USART_CR2_REG_INDEX 2
Kojto 99:dbbf35b96557 528 #define USART_CR3_REG_INDEX 3
Kojto 99:dbbf35b96557 529 /**
Kojto 99:dbbf35b96557 530 * @}
Kojto 99:dbbf35b96557 531 */
Kojto 99:dbbf35b96557 532
Kojto 99:dbbf35b96557 533 /* Private macros ------------------------------------------------------------*/
Kojto 99:dbbf35b96557 534 /** @defgroup USART_Private_Macros USART Private Macros
Kojto 99:dbbf35b96557 535 * @{
Kojto 99:dbbf35b96557 536 */
Kojto 99:dbbf35b96557 537 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
Kojto 99:dbbf35b96557 538 ((NACK) == USART_NACK_DISABLE))
Kojto 99:dbbf35b96557 539 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
Kojto 99:dbbf35b96557 540 ((LASTBIT) == USART_LASTBIT_ENABLE))
Kojto 99:dbbf35b96557 541 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
Kojto 99:dbbf35b96557 542 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
Kojto 99:dbbf35b96557 543 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
Kojto 99:dbbf35b96557 544 ((CLOCK) == USART_CLOCK_ENABLE))
Kojto 99:dbbf35b96557 545 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
Kojto 99:dbbf35b96557 546 ((LENGTH) == USART_WORDLENGTH_9B))
Kojto 99:dbbf35b96557 547 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
Kojto 99:dbbf35b96557 548 ((STOPBITS) == USART_STOPBITS_0_5) || \
Kojto 99:dbbf35b96557 549 ((STOPBITS) == USART_STOPBITS_1_5) || \
Kojto 99:dbbf35b96557 550 ((STOPBITS) == USART_STOPBITS_2))
Kojto 99:dbbf35b96557 551 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
Kojto 99:dbbf35b96557 552 ((PARITY) == USART_PARITY_EVEN) || \
Kojto 99:dbbf35b96557 553 ((PARITY) == USART_PARITY_ODD))
Kojto 99:dbbf35b96557 554 #define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFF3) == 0x00) && ((MODE) != (uint32_t)0x00))
Kojto 99:dbbf35b96557 555 #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
Kojto 99:dbbf35b96557 556
Kojto 99:dbbf35b96557 557 #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_)))
Kojto 99:dbbf35b96557 558 #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100)
Kojto 99:dbbf35b96557 559 #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
Kojto 99:dbbf35b96557 560 #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0F))
Kojto 99:dbbf35b96557 561 /**
Kojto 99:dbbf35b96557 562 * @}
Kojto 99:dbbf35b96557 563 */
Kojto 99:dbbf35b96557 564
Kojto 99:dbbf35b96557 565 /* Private functions ---------------------------------------------------------*/
Kojto 99:dbbf35b96557 566 /** @defgroup USART_Private_Functions USART Private Functions
Kojto 99:dbbf35b96557 567 * @{
Kojto 99:dbbf35b96557 568 */
Kojto 99:dbbf35b96557 569
Kojto 99:dbbf35b96557 570 /**
Kojto 99:dbbf35b96557 571 * @}
Kojto 99:dbbf35b96557 572 */
bogdanm 89:552587b429a1 573
bogdanm 89:552587b429a1 574 /**
bogdanm 89:552587b429a1 575 * @}
bogdanm 89:552587b429a1 576 */
bogdanm 89:552587b429a1 577
bogdanm 89:552587b429a1 578 /**
bogdanm 89:552587b429a1 579 * @}
bogdanm 89:552587b429a1 580 */
bogdanm 89:552587b429a1 581
bogdanm 89:552587b429a1 582 #ifdef __cplusplus
bogdanm 89:552587b429a1 583 }
bogdanm 89:552587b429a1 584 #endif
bogdanm 89:552587b429a1 585
bogdanm 89:552587b429a1 586 #endif /* __STM32F4xx_HAL_USART_H */
bogdanm 89:552587b429a1 587
bogdanm 89:552587b429a1 588 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/