stm32f10x_usart.h 16 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f10x_usart.h
  4. * @author MCD Application Team
  5. * @version V3.3.0
  6. * @date 04/16/2010
  7. * @brief This file contains all the functions prototypes for the USART
  8. * firmware library.
  9. ******************************************************************************
  10. * @copy
  11. *
  12. * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  13. * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  14. * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  15. * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  16. * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  17. * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  18. *
  19. * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
  20. */
  21. /* Define to prevent recursive inclusion -------------------------------------*/
  22. #ifndef __STM32F10x_USART_H
  23. #define __STM32F10x_USART_H
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27. /* Includes ------------------------------------------------------------------*/
  28. #include "stm32f10x.h"
  29. /** @addtogroup STM32F10x_StdPeriph_Driver
  30. * @{
  31. */
  32. /** @addtogroup USART
  33. * @{
  34. */
  35. /** @defgroup USART_Exported_Types
  36. * @{
  37. */
  38. /**
  39. * @brief USART Init Structure definition
  40. */
  41. typedef struct
  42. {
  43. uint32_t USART_BaudRate; /*!< This member configures the USART communication baud rate.
  44. The baud rate is computed using the following formula:
  45. - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
  46. - FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
  47. uint16_t USART_WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  48. This parameter can be a value of @ref USART_Word_Length */
  49. uint16_t USART_StopBits; /*!< Specifies the number of stop bits transmitted.
  50. This parameter can be a value of @ref USART_Stop_Bits */
  51. uint16_t USART_Parity; /*!< Specifies the parity mode.
  52. This parameter can be a value of @ref USART_Parity
  53. @note When parity is enabled, the computed parity is inserted
  54. at the MSB position of the transmitted data (9th bit when
  55. the word length is set to 9 data bits; 8th bit when the
  56. word length is set to 8 data bits). */
  57. uint16_t USART_Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
  58. This parameter can be a value of @ref USART_Mode */
  59. uint16_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
  60. or disabled.
  61. This parameter can be a value of @ref USART_Hardware_Flow_Control */
  62. } USART_InitTypeDef;
  63. /**
  64. * @brief USART Clock Init Structure definition
  65. */
  66. typedef struct
  67. {
  68. uint16_t USART_Clock; /*!< Specifies whether the USART clock is enabled or disabled.
  69. This parameter can be a value of @ref USART_Clock */
  70. uint16_t USART_CPOL; /*!< Specifies the steady state value of the serial clock.
  71. This parameter can be a value of @ref USART_Clock_Polarity */
  72. uint16_t USART_CPHA; /*!< Specifies the clock transition on which the bit capture is made.
  73. This parameter can be a value of @ref USART_Clock_Phase */
  74. uint16_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
  75. data bit (MSB) has to be output on the SCLK pin in synchronous mode.
  76. This parameter can be a value of @ref USART_Last_Bit */
  77. } USART_ClockInitTypeDef;
  78. /**
  79. * @}
  80. */
  81. /** @defgroup USART_Exported_Constants
  82. * @{
  83. */
  84. #define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
  85. ((PERIPH) == USART2) || \
  86. ((PERIPH) == USART3) || \
  87. ((PERIPH) == UART4) || \
  88. ((PERIPH) == UART5))
  89. #define IS_USART_123_PERIPH(PERIPH) (((PERIPH) == USART1) || \
  90. ((PERIPH) == USART2) || \
  91. ((PERIPH) == USART3))
  92. #define IS_USART_1234_PERIPH(PERIPH) (((PERIPH) == USART1) || \
  93. ((PERIPH) == USART2) || \
  94. ((PERIPH) == USART3) || \
  95. ((PERIPH) == UART4))
  96. /** @defgroup USART_Word_Length
  97. * @{
  98. */
  99. #define USART_WordLength_8b ((uint16_t)0x0000)
  100. #define USART_WordLength_9b ((uint16_t)0x1000)
  101. #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
  102. ((LENGTH) == USART_WordLength_9b))
  103. /**
  104. * @}
  105. */
  106. /** @defgroup USART_Stop_Bits
  107. * @{
  108. */
  109. #define USART_StopBits_1 ((uint16_t)0x0000)
  110. #define USART_StopBits_0_5 ((uint16_t)0x1000)
  111. #define USART_StopBits_2 ((uint16_t)0x2000)
  112. #define USART_StopBits_1_5 ((uint16_t)0x3000)
  113. #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
  114. ((STOPBITS) == USART_StopBits_0_5) || \
  115. ((STOPBITS) == USART_StopBits_2) || \
  116. ((STOPBITS) == USART_StopBits_1_5))
  117. /**
  118. * @}
  119. */
  120. /** @defgroup USART_Parity
  121. * @{
  122. */
  123. #define USART_Parity_No ((uint16_t)0x0000)
  124. #define USART_Parity_Even ((uint16_t)0x0400)
  125. #define USART_Parity_Odd ((uint16_t)0x0600)
  126. #define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
  127. ((PARITY) == USART_Parity_Even) || \
  128. ((PARITY) == USART_Parity_Odd))
  129. /**
  130. * @}
  131. */
  132. /** @defgroup USART_Mode
  133. * @{
  134. */
  135. #define USART_Mode_Rx ((uint16_t)0x0004)
  136. #define USART_Mode_Tx ((uint16_t)0x0008)
  137. #define IS_USART_MODE(MODE) ((((MODE) & (uint16_t)0xFFF3) == 0x00) && ((MODE) != (uint16_t)0x00))
  138. /**
  139. * @}
  140. */
  141. /** @defgroup USART_Hardware_Flow_Control
  142. * @{
  143. */
  144. #define USART_HardwareFlowControl_None ((uint16_t)0x0000)
  145. #define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
  146. #define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
  147. #define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
  148. #define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
  149. (((CONTROL) == USART_HardwareFlowControl_None) || \
  150. ((CONTROL) == USART_HardwareFlowControl_RTS) || \
  151. ((CONTROL) == USART_HardwareFlowControl_CTS) || \
  152. ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
  153. /**
  154. * @}
  155. */
  156. /** @defgroup USART_Clock
  157. * @{
  158. */
  159. #define USART_Clock_Disable ((uint16_t)0x0000)
  160. #define USART_Clock_Enable ((uint16_t)0x0800)
  161. #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
  162. ((CLOCK) == USART_Clock_Enable))
  163. /**
  164. * @}
  165. */
  166. /** @defgroup USART_Clock_Polarity
  167. * @{
  168. */
  169. #define USART_CPOL_Low ((uint16_t)0x0000)
  170. #define USART_CPOL_High ((uint16_t)0x0400)
  171. #define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))
  172. /**
  173. * @}
  174. */
  175. /** @defgroup USART_Clock_Phase
  176. * @{
  177. */
  178. #define USART_CPHA_1Edge ((uint16_t)0x0000)
  179. #define USART_CPHA_2Edge ((uint16_t)0x0200)
  180. #define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))
  181. /**
  182. * @}
  183. */
  184. /** @defgroup USART_Last_Bit
  185. * @{
  186. */
  187. #define USART_LastBit_Disable ((uint16_t)0x0000)
  188. #define USART_LastBit_Enable ((uint16_t)0x0100)
  189. #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
  190. ((LASTBIT) == USART_LastBit_Enable))
  191. /**
  192. * @}
  193. */
  194. /** @defgroup USART_Interrupt_definition
  195. * @{
  196. */
  197. #define USART_IT_PE ((uint16_t)0x0028)
  198. #define USART_IT_TXE ((uint16_t)0x0727)
  199. #define USART_IT_TC ((uint16_t)0x0626)
  200. #define USART_IT_RXNE ((uint16_t)0x0525)
  201. #define USART_IT_IDLE ((uint16_t)0x0424)
  202. #define USART_IT_LBD ((uint16_t)0x0846)
  203. #define USART_IT_CTS ((uint16_t)0x096A)
  204. #define USART_IT_ERR ((uint16_t)0x0060)
  205. #define USART_IT_ORE ((uint16_t)0x0360)
  206. #define USART_IT_NE ((uint16_t)0x0260)
  207. #define USART_IT_FE ((uint16_t)0x0160)
  208. #define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
  209. ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
  210. ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
  211. ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR))
  212. #define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
  213. ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
  214. ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
  215. ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
  216. ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE))
  217. #define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
  218. ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS))
  219. /**
  220. * @}
  221. */
  222. /** @defgroup USART_DMA_Requests
  223. * @{
  224. */
  225. #define USART_DMAReq_Tx ((uint16_t)0x0080)
  226. #define USART_DMAReq_Rx ((uint16_t)0x0040)
  227. #define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint16_t)0xFF3F) == 0x00) && ((DMAREQ) != (uint16_t)0x00))
  228. /**
  229. * @}
  230. */
  231. /** @defgroup USART_WakeUp_methods
  232. * @{
  233. */
  234. #define USART_WakeUp_IdleLine ((uint16_t)0x0000)
  235. #define USART_WakeUp_AddressMark ((uint16_t)0x0800)
  236. #define IS_USART_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
  237. ((WAKEUP) == USART_WakeUp_AddressMark))
  238. /**
  239. * @}
  240. */
  241. /** @defgroup USART_LIN_Break_Detection_Length
  242. * @{
  243. */
  244. #define USART_LINBreakDetectLength_10b ((uint16_t)0x0000)
  245. #define USART_LINBreakDetectLength_11b ((uint16_t)0x0020)
  246. #define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
  247. (((LENGTH) == USART_LINBreakDetectLength_10b) || \
  248. ((LENGTH) == USART_LINBreakDetectLength_11b))
  249. /**
  250. * @}
  251. */
  252. /** @defgroup USART_IrDA_Low_Power
  253. * @{
  254. */
  255. #define USART_IrDAMode_LowPower ((uint16_t)0x0004)
  256. #define USART_IrDAMode_Normal ((uint16_t)0x0000)
  257. #define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
  258. ((MODE) == USART_IrDAMode_Normal))
  259. /**
  260. * @}
  261. */
  262. /** @defgroup USART_Flags
  263. * @{
  264. */
  265. #define USART_FLAG_CTS ((uint16_t)0x0200)
  266. #define USART_FLAG_LBD ((uint16_t)0x0100)
  267. #define USART_FLAG_TXE ((uint16_t)0x0080)
  268. #define USART_FLAG_TC ((uint16_t)0x0040)
  269. #define USART_FLAG_RXNE ((uint16_t)0x0020)
  270. #define USART_FLAG_IDLE ((uint16_t)0x0010)
  271. #define USART_FLAG_ORE ((uint16_t)0x0008)
  272. #define USART_FLAG_NE ((uint16_t)0x0004)
  273. #define USART_FLAG_FE ((uint16_t)0x0002)
  274. #define USART_FLAG_PE ((uint16_t)0x0001)
  275. #define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
  276. ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
  277. ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
  278. ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
  279. ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE))
  280. #define IS_USART_CLEAR_FLAG(FLAG) ((((FLAG) & (uint16_t)0xFC9F) == 0x00) && ((FLAG) != (uint16_t)0x00))
  281. #define IS_USART_PERIPH_FLAG(PERIPH, USART_FLAG) ((((*(uint32_t*)&(PERIPH)) != UART4_BASE) &&\
  282. ((*(uint32_t*)&(PERIPH)) != UART5_BASE)) \
  283. || ((USART_FLAG) != USART_FLAG_CTS))
  284. #define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x0044AA21))
  285. #define IS_USART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
  286. #define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)
  287. /**
  288. * @}
  289. */
  290. /**
  291. * @}
  292. */
  293. /** @defgroup USART_Exported_Macros
  294. * @{
  295. */
  296. /**
  297. * @}
  298. */
  299. /** @defgroup USART_Exported_Functions
  300. * @{
  301. */
  302. void USART_DeInit(USART_TypeDef* USARTx);
  303. void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
  304. void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
  305. void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
  306. void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
  307. void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
  308. void USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState);
  309. void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
  310. void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
  311. void USART_WakeUpConfig(USART_TypeDef* USARTx, uint16_t USART_WakeUp);
  312. void USART_ReceiverWakeUpCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  313. void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint16_t USART_LINBreakDetectLength);
  314. void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  315. void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
  316. uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
  317. void USART_SendBreak(USART_TypeDef* USARTx);
  318. void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime);
  319. void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler);
  320. void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  321. void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  322. void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  323. void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
  324. void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);
  325. void USART_IrDAConfig(USART_TypeDef* USARTx, uint16_t USART_IrDAMode);
  326. void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState);
  327. FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG);
  328. void USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG);
  329. ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT);
  330. void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT);
  331. #ifdef __cplusplus
  332. }
  333. #endif
  334. #endif /* __STM32F10x_USART_H */
  335. /**
  336. * @}
  337. */
  338. /**
  339. * @}
  340. */
  341. /**
  342. * @}
  343. */
  344. /******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/