1 /* 2 * Copyright 2018-2020 NXP 3 * All rights reserved. 4 * 5 * 6 * SPDX-License-Identifier: BSD-3-Clause 7 */ 8 9 #ifndef __HAL_UART_ADAPTER_H__ 10 #define __HAL_UART_ADAPTER_H__ 11 12 #include "fsl_common.h" 13 #if defined(SDK_OS_FREE_RTOS) 14 #include "FreeRTOS.h" 15 #endif 16 17 /*! 18 * @addtogroup UART_Adapter 19 * @{ 20 */ 21 22 /******************************************************************************* 23 * Definitions 24 ******************************************************************************/ 25 26 /*! @brief Enable or disable UART adapter non-blocking mode (1 - enable, 0 - disable) */ 27 #ifdef DEBUG_CONSOLE_TRANSFER_NON_BLOCKING 28 #define UART_ADAPTER_NON_BLOCKING_MODE (1U) 29 #else 30 #ifndef SERIAL_MANAGER_NON_BLOCKING_MODE 31 #define UART_ADAPTER_NON_BLOCKING_MODE (0U) 32 #else 33 #define UART_ADAPTER_NON_BLOCKING_MODE SERIAL_MANAGER_NON_BLOCKING_MODE 34 #endif 35 #endif 36 37 #if defined(__GIC_PRIO_BITS) 38 #ifndef HAL_UART_ISR_PRIORITY 39 #define HAL_UART_ISR_PRIORITY (25U) 40 #endif 41 #else 42 #if defined(configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY) 43 #ifndef HAL_UART_ISR_PRIORITY 44 #define HAL_UART_ISR_PRIORITY (configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY) 45 #endif 46 #else 47 /* The default value 3 is used to support different ARM Core, such as CM0P, CM4, CM7, and CM33, etc. 48 * The minimum number of priority bits implemented in the NVIC is 2 on these SOCs. The value of mininum 49 * priority is 3 (2^2 - 1). So, the default value is 3. 50 */ 51 #ifndef HAL_UART_ISR_PRIORITY 52 #define HAL_UART_ISR_PRIORITY (3U) 53 #endif 54 #endif 55 #endif 56 57 #ifndef HAL_UART_ADAPTER_LOWPOWER 58 #define HAL_UART_ADAPTER_LOWPOWER (0U) 59 #endif /* HAL_UART_ADAPTER_LOWPOWER */ 60 61 /*! @brief Enable or disable uart hardware FIFO mode (1 - enable, 0 - disable) */ 62 #ifndef HAL_UART_ADAPTER_FIFO 63 #define HAL_UART_ADAPTER_FIFO (1U) 64 #endif /* HAL_UART_ADAPTER_FIFO */ 65 66 #if (defined(SERIAL_PORT_TYPE_UART_DMA) && (SERIAL_PORT_TYPE_UART_DMA > 0U)) 67 #ifndef HAL_UART_DMA_ENABLE 68 #define HAL_UART_DMA_ENABLE (1U) 69 #endif 70 #endif 71 72 #ifndef HAL_UART_DMA_ENABLE 73 #define HAL_UART_DMA_ENABLE (0U) 74 #endif /* HAL_UART_DMA_ENABLE */ 75 76 /*! @brief Enable or disable uart DMA adapter int mode (1 - enable, 0 - disable) */ 77 #ifndef HAL_UART_DMA_INIT_ENABLE 78 #define HAL_UART_DMA_INIT_ENABLE (1U) 79 #endif /* HAL_SPI_MASTER_DMA_INIT_ENABLE */ 80 81 /*! @brief Definition of uart dma adapter software idleline detection timeout value in ms. */ 82 #ifndef HAL_UART_DMA_IDLELINE_TIMEOUT 83 #define HAL_UART_DMA_IDLELINE_TIMEOUT (1U) 84 #endif /* HAL_UART_DMA_IDLELINE_TIMEOUT */ 85 86 /*! @brief Definition of uart adapter handle size. */ 87 #if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U)) 88 #define HAL_UART_HANDLE_SIZE (92U + HAL_UART_ADAPTER_LOWPOWER * 16U + HAL_UART_DMA_ENABLE * 4U) 89 #define HAL_UART_BLOCK_HANDLE_SIZE (8U + HAL_UART_ADAPTER_LOWPOWER * 16U + HAL_UART_DMA_ENABLE * 4U) 90 #else 91 #define HAL_UART_HANDLE_SIZE (8U + HAL_UART_ADAPTER_LOWPOWER * 16U + HAL_UART_DMA_ENABLE * 4U) 92 #endif 93 94 /*! @brief Definition of uart dma adapter handle size. */ 95 #if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)) 96 #if (defined(FSL_FEATURE_SOC_DMA_COUNT) && (FSL_FEATURE_SOC_DMA_COUNT > 0U)) 97 #define HAL_UART_DMA_HANDLE_SIZE (124U + HAL_UART_ADAPTER_LOWPOWER * 36U) 98 #elif (defined(FSL_FEATURE_SOC_EDMA_COUNT) && (FSL_FEATURE_SOC_EDMA_COUNT > 0U)) 99 #define HAL_UART_DMA_HANDLE_SIZE (140U + HAL_UART_ADAPTER_LOWPOWER * 36U) 100 #else 101 #error This SOC does not have DMA or EDMA available! 102 #endif 103 #endif /* HAL_UART_DMA_ENABLE */ 104 105 /*! 106 * @brief Defines the uart handle 107 * 108 * This macro is used to define a 4 byte aligned uart handle. 109 * Then use "(hal_uart_handle_t)name" to get the uart handle. 110 * 111 * The macro should be global and could be optional. You could also define uart handle by yourself. 112 * 113 * This is an example, 114 * @code 115 * UART_HANDLE_DEFINE(uartHandle); 116 * @endcode 117 * 118 * @param name The name string of the uart handle. 119 */ 120 #define UART_HANDLE_DEFINE(name) uint32_t name[((HAL_UART_HANDLE_SIZE + sizeof(uint32_t) - 1U) / sizeof(uint32_t))] 121 122 #if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)) 123 #define UART_DMA_HANDLE_DEFINE(name) \ 124 uint32_t name[((HAL_UART_DMA_HANDLE_SIZE + sizeof(uint32_t) - 1U) / sizeof(uint32_t))] 125 #endif 126 127 /*! @brief Whether enable transactional function of the UART. (0 - disable, 1 - enable) */ 128 #ifndef HAL_UART_TRANSFER_MODE 129 #define HAL_UART_TRANSFER_MODE (0U) 130 #endif 131 132 /*! @brief The handle of uart adapter. */ 133 typedef void *hal_uart_handle_t; 134 135 /*! @brief The handle of uart dma adapter. */ 136 typedef void *hal_uart_dma_handle_t; 137 138 /*! @brief UART status */ 139 typedef enum _hal_uart_status 140 { 141 kStatus_HAL_UartSuccess = kStatus_Success, /*!< Successfully */ 142 kStatus_HAL_UartTxBusy = MAKE_STATUS(kStatusGroup_HAL_UART, 1), /*!< TX busy */ 143 kStatus_HAL_UartRxBusy = MAKE_STATUS(kStatusGroup_HAL_UART, 2), /*!< RX busy */ 144 kStatus_HAL_UartTxIdle = MAKE_STATUS(kStatusGroup_HAL_UART, 3), /*!< HAL UART transmitter is idle. */ 145 kStatus_HAL_UartRxIdle = MAKE_STATUS(kStatusGroup_HAL_UART, 4), /*!< HAL UART receiver is idle */ 146 kStatus_HAL_UartBaudrateNotSupport = 147 MAKE_STATUS(kStatusGroup_HAL_UART, 5), /*!< Baudrate is not support in current clock source */ 148 kStatus_HAL_UartProtocolError = MAKE_STATUS( 149 kStatusGroup_HAL_UART, 150 6), /*!< Error occurs for Noise, Framing, Parity, etc. 151 For transactional transfer, The up layer needs to abort the transfer and then starts again */ 152 kStatus_HAL_UartError = MAKE_STATUS(kStatusGroup_HAL_UART, 7), /*!< Error occurs on HAL UART */ 153 } hal_uart_status_t; 154 155 /*! @brief UART parity mode. */ 156 typedef enum _hal_uart_parity_mode 157 { 158 kHAL_UartParityDisabled = 0x0U, /*!< Parity disabled */ 159 kHAL_UartParityEven = 0x2U, /*!< Parity even enabled */ 160 kHAL_UartParityOdd = 0x3U, /*!< Parity odd enabled */ 161 } hal_uart_parity_mode_t; 162 163 /*! @brief UART stop bit count. */ 164 typedef enum _hal_uart_stop_bit_count 165 { 166 kHAL_UartOneStopBit = 0U, /*!< One stop bit */ 167 kHAL_UartTwoStopBit = 1U, /*!< Two stop bits */ 168 } hal_uart_stop_bit_count_t; 169 170 /*! @brief UART configuration structure. */ 171 typedef struct _hal_uart_config 172 { 173 uint32_t srcClock_Hz; /*!< Source clock */ 174 uint32_t baudRate_Bps; /*!< Baud rate */ 175 hal_uart_parity_mode_t parityMode; /*!< Parity mode, disabled (default), even, odd */ 176 hal_uart_stop_bit_count_t stopBitCount; /*!< Number of stop bits, 1 stop bit (default) or 2 stop bits */ 177 uint8_t enableRx; /*!< Enable RX */ 178 uint8_t enableTx; /*!< Enable TX */ 179 uint8_t enableRxRTS; /*!< Enable RX RTS */ 180 uint8_t enableTxCTS; /*!< Enable TX CTS */ 181 uint8_t instance; /*!< Instance (0 - UART0, 1 - UART1, ...), detail information please refer to the 182 SOC corresponding RM. 183 Invalid instance value will cause initialization failure. */ 184 #if (defined(HAL_UART_ADAPTER_FIFO) && (HAL_UART_ADAPTER_FIFO > 0u)) 185 uint8_t txFifoWatermark; 186 uint8_t rxFifoWatermark; 187 #endif 188 } hal_uart_config_t; 189 190 #if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)) 191 /*! @brief UART DMA status */ 192 typedef enum _hal_uart_dma_status 193 { 194 kStatus_HAL_UartDmaSuccess = 0U, 195 kStatus_HAL_UartDmaRxIdle = (1U << 1U), 196 kStatus_HAL_UartDmaRxBusy = (1U << 2U), 197 kStatus_HAL_UartDmaTxIdle = (1U << 3U), 198 kStatus_HAL_UartDmaTxBusy = (1U << 4U), 199 kStatus_HAL_UartDmaIdleline = (1U << 5U), 200 kStatus_HAL_UartDmaError = (1U << 6U), 201 } hal_uart_dma_status_t; 202 203 typedef struct _dma_mux_configure_t 204 { 205 union 206 { 207 struct 208 { 209 uint8_t dma_mux_instance; 210 uint32_t rx_request; 211 uint32_t tx_request; 212 } dma_dmamux_configure; 213 }; 214 } dma_mux_configure_t; 215 typedef struct _dma_channel_mux_configure_t 216 { 217 union 218 { 219 struct 220 { 221 uint32_t dma_rx_channel_mux; 222 uint32_t dma_tx_channel_mux; 223 } dma_dmamux_configure; 224 }; 225 } dma_channel_mux_configure_t; 226 227 typedef struct _hal_uart_dma_config_t 228 { 229 uint8_t uart_instance; 230 uint8_t dma_instance; 231 uint8_t rx_channel; 232 uint8_t tx_channel; 233 void *dma_mux_configure; 234 void *dma_channel_mux_configure; 235 } hal_uart_dma_config_t; 236 #endif /* HAL_UART_DMA_ENABLE */ 237 238 /*! @brief UART transfer callback function. */ 239 typedef void (*hal_uart_transfer_callback_t)(hal_uart_handle_t handle, hal_uart_status_t status, void *callbackParam); 240 241 #if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)) 242 typedef struct _dma_callback_msg 243 { 244 hal_uart_dma_status_t status; 245 uint8_t *data; 246 uint32_t dataSize; 247 } hal_dma_callback_msg_t; 248 249 /*! @brief UART transfer callback function. */ 250 typedef void (*hal_uart_dma_transfer_callback_t)(hal_uart_dma_handle_t handle, 251 hal_dma_callback_msg_t *msg, 252 void *callbackParam); 253 #endif /* HAL_UART_DMA_ENABLE */ 254 255 /*! @brief UART transfer structure. */ 256 typedef struct _hal_uart_transfer 257 { 258 uint8_t *data; /*!< The buffer of data to be transfer.*/ 259 size_t dataSize; /*!< The byte count to be transfer. */ 260 } hal_uart_transfer_t; 261 262 /******************************************************************************* 263 * API 264 ******************************************************************************/ 265 266 #if defined(__cplusplus) 267 extern "C" { 268 #endif /* _cplusplus */ 269 270 /*! 271 * @name Initialization and deinitialization 272 * @{ 273 */ 274 275 /*! 276 * @brief Initializes a UART instance with the UART handle and the user configuration structure. 277 * 278 * This function configures the UART module with user-defined settings. The user can configure the configuration 279 * structure. The parameter handle is a pointer to point to a memory space of size #HAL_UART_HANDLE_SIZE allocated by 280 * the caller. Example below shows how to use this API to configure the UART. 281 * @code 282 * UART_HANDLE_DEFINE(g_UartHandle); 283 * hal_uart_config_t config; 284 * config.srcClock_Hz = 48000000; 285 * config.baudRate_Bps = 115200U; 286 * config.parityMode = kHAL_UartParityDisabled; 287 * config.stopBitCount = kHAL_UartOneStopBit; 288 * config.enableRx = 1; 289 * config.enableTx = 1; 290 * config.enableRxRTS = 0; 291 * config.enableTxCTS = 0; 292 * config.instance = 0; 293 * HAL_UartInit((hal_uart_handle_t)g_UartHandle, &config); 294 * @endcode 295 * 296 * @param handle Pointer to point to a memory space of size #HAL_UART_HANDLE_SIZE allocated by the caller. 297 * The handle should be 4 byte aligned, because unaligned access doesn't be supported on some devices. 298 * You can define the handle in the following two ways: 299 * #UART_HANDLE_DEFINE(handle); 300 * or 301 * uint32_t handle[((HAL_UART_HANDLE_SIZE + sizeof(uint32_t) - 1U) / sizeof(uint32_t))]; 302 * @param config Pointer to user-defined configuration structure. 303 * @retval kStatus_HAL_UartBaudrateNotSupport Baudrate is not support in current clock source. 304 * @retval kStatus_HAL_UartSuccess UART initialization succeed 305 */ 306 hal_uart_status_t HAL_UartInit(hal_uart_handle_t handle, const hal_uart_config_t *uart_config); 307 308 /*! 309 * @brief Deinitializes a UART instance. 310 * 311 * This function waits for TX complete, disables TX and RX, and disables the UART clock. 312 * 313 * @param handle UART handle pointer. 314 * @retval kStatus_HAL_UartSuccess UART de-initialization succeed 315 */ 316 hal_uart_status_t HAL_UartDeinit(hal_uart_handle_t handle); 317 318 /*! @}*/ 319 320 /*! 321 * @name Blocking bus Operations 322 * @{ 323 */ 324 325 /*! 326 * @brief Reads RX data register using a blocking method. 327 * 328 * This function polls the RX register, waits for the RX register to be full or for RX FIFO to 329 * have data, and reads data from the RX register. 330 * 331 * @note The function #HAL_UartReceiveBlocking and the function HAL_UartTransferReceiveNonBlocking 332 * cannot be used at the same time. 333 * And, the function HAL_UartTransferAbortReceive cannot be used to abort the transmission of this function. 334 * 335 * @param handle UART handle pointer. 336 * @param data Start address of the buffer to store the received data. 337 * @param length Size of the buffer. 338 * @retval kStatus_HAL_UartError An error occurred while receiving data. 339 * @retval kStatus_HAL_UartParityError A parity error occurred while receiving data. 340 * @retval kStatus_HAL_UartSuccess Successfully received all data. 341 */ 342 hal_uart_status_t HAL_UartReceiveBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length); 343 344 /*! 345 * @brief Writes to the TX register using a blocking method. 346 * 347 * This function polls the TX register, waits for the TX register to be empty or for the TX FIFO 348 * to have room and writes data to the TX buffer. 349 * 350 * @note The function #HAL_UartSendBlocking and the function HAL_UartTransferSendNonBlocking 351 * cannot be used at the same time. 352 * And, the function HAL_UartTransferAbortSend cannot be used to abort the transmission of this function. 353 * 354 * @param handle UART handle pointer. 355 * @param data Start address of the data to write. 356 * @param length Size of the data to write. 357 * @retval kStatus_HAL_UartSuccess Successfully sent all data. 358 */ 359 hal_uart_status_t HAL_UartSendBlocking(hal_uart_handle_t handle, const uint8_t *data, size_t length); 360 361 /*! @}*/ 362 363 #if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U)) 364 #if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U)) 365 366 /*! 367 * @name Transactional 368 * @note The transactional API and the functional API cannot be used at the same time. The macro 369 * #HAL_UART_TRANSFER_MODE is used to set which one will be used. If #HAL_UART_TRANSFER_MODE is zero, the 370 * functional API with non-blocking mode will be used. Otherwise, transactional API will be used. 371 * @{ 372 */ 373 374 /*! 375 * @brief Installs a callback and callback parameter. 376 * 377 * This function is used to install the callback and callback parameter for UART module. 378 * When any status of the UART changed, the driver will notify the upper layer by the installed callback 379 * function. And the status is also passed as status parameter when the callback is called. 380 * 381 * @param handle UART handle pointer. 382 * @param callback The callback function. 383 * @param callbackParam The parameter of the callback function. 384 * @retval kStatus_HAL_UartSuccess Successfully install the callback. 385 */ 386 hal_uart_status_t HAL_UartTransferInstallCallback(hal_uart_handle_t handle, 387 hal_uart_transfer_callback_t callback, 388 void *callbackParam); 389 390 /*! 391 * @brief Receives a buffer of data using an interrupt method. 392 * 393 * This function receives data using an interrupt method. This is a non-blocking function, which 394 * returns directly without waiting for all data to be received. 395 * The receive request is saved by the UART driver. 396 * When the new data arrives, the receive request is serviced first. 397 * When all data is received, the UART driver notifies the upper layer 398 * through a callback function and passes the status parameter @ref kStatus_UART_RxIdle. 399 * 400 * @note The function #HAL_UartReceiveBlocking and the function #HAL_UartTransferReceiveNonBlocking 401 * cannot be used at the same time. 402 * 403 * @param handle UART handle pointer. 404 * @param transfer UART transfer structure, see #hal_uart_transfer_t. 405 * @retval kStatus_HAL_UartSuccess Successfully queue the transfer into transmit queue. 406 * @retval kStatus_HAL_UartRxBusy Previous receive request is not finished. 407 * @retval kStatus_HAL_UartError An error occurred. 408 */ 409 hal_uart_status_t HAL_UartTransferReceiveNonBlocking(hal_uart_handle_t handle, hal_uart_transfer_t *transfer); 410 411 /*! 412 * @brief Transmits a buffer of data using the interrupt method. 413 * 414 * This function sends data using an interrupt method. This is a non-blocking function, which 415 * returns directly without waiting for all data to be written to the TX register. When 416 * all data is written to the TX register in the ISR, the UART driver calls the callback 417 * function and passes the @ref kStatus_UART_TxIdle as status parameter. 418 * 419 * @note The function #HAL_UartSendBlocking and the function #HAL_UartTransferSendNonBlocking 420 * cannot be used at the same time. 421 * 422 * @param handle UART handle pointer. 423 * @param transfer UART transfer structure. See #hal_uart_transfer_t. 424 * @retval kStatus_HAL_UartSuccess Successfully start the data transmission. 425 * @retval kStatus_HAL_UartTxBusy Previous transmission still not finished; data not all written to TX register yet. 426 * @retval kStatus_HAL_UartError An error occurred. 427 */ 428 hal_uart_status_t HAL_UartTransferSendNonBlocking(hal_uart_handle_t handle, hal_uart_transfer_t *transfer); 429 430 /*! 431 * @brief Gets the number of bytes that have been received. 432 * 433 * This function gets the number of bytes that have been received. 434 * 435 * @param handle UART handle pointer. 436 * @param count Receive bytes count. 437 * @retval kStatus_HAL_UartError An error occurred. 438 * @retval kStatus_Success Get successfully through the parameter \p count. 439 */ 440 hal_uart_status_t HAL_UartTransferGetReceiveCount(hal_uart_handle_t handle, uint32_t *count); 441 442 /*! 443 * @brief Gets the number of bytes written to the UART TX register. 444 * 445 * This function gets the number of bytes written to the UART TX 446 * register by using the interrupt method. 447 * 448 * @param handle UART handle pointer. 449 * @param count Send bytes count. 450 * @retval kStatus_HAL_UartError An error occurred. 451 * @retval kStatus_Success Get successfully through the parameter \p count. 452 */ 453 hal_uart_status_t HAL_UartTransferGetSendCount(hal_uart_handle_t handle, uint32_t *count); 454 455 /*! 456 * @brief Aborts the interrupt-driven data receiving. 457 * 458 * This function aborts the interrupt-driven data receiving. The user can get the remainBytes to know 459 * how many bytes are not received yet. 460 * 461 * @note The function #HAL_UartTransferAbortReceive cannot be used to abort the transmission of 462 * the function #HAL_UartReceiveBlocking. 463 * 464 * @param handle UART handle pointer. 465 * @retval kStatus_Success Get successfully abort the receiving. 466 */ 467 hal_uart_status_t HAL_UartTransferAbortReceive(hal_uart_handle_t handle); 468 469 /*! 470 * @brief Aborts the interrupt-driven data sending. 471 * 472 * This function aborts the interrupt-driven data sending. The user can get the remainBytes to find out 473 * how many bytes are not sent out. 474 * 475 * @note The function #HAL_UartTransferAbortSend cannot be used to abort the transmission of 476 * the function #HAL_UartSendBlocking. 477 * 478 * @param handle UART handle pointer. 479 * @retval kStatus_Success Get successfully abort the sending. 480 */ 481 hal_uart_status_t HAL_UartTransferAbortSend(hal_uart_handle_t handle); 482 483 /*! @}*/ 484 485 #else 486 487 /*! 488 * @name Functional API with non-blocking mode. 489 * @note The functional API and the transactional API cannot be used at the same time. The macro 490 * #HAL_UART_TRANSFER_MODE is used to set which one will be used. If #HAL_UART_TRANSFER_MODE is zero, the 491 * functional API with non-blocking mode will be used. Otherwise, transactional API will be used. 492 * @{ 493 */ 494 495 /*! 496 * @brief Installs a callback and callback parameter. 497 * 498 * This function is used to install the callback and callback parameter for UART module. 499 * When non-blocking sending or receiving finished, the adapter will notify the upper layer by the installed callback 500 * function. And the status is also passed as status parameter when the callback is called. 501 * 502 * @param handle UART handle pointer. 503 * @param callback The callback function. 504 * @param callbackParam The parameter of the callback function. 505 * @retval kStatus_HAL_UartSuccess Successfully install the callback. 506 */ 507 hal_uart_status_t HAL_UartInstallCallback(hal_uart_handle_t handle, 508 hal_uart_transfer_callback_t callback, 509 void *callbackParam); 510 511 /*! 512 * @brief Receives a buffer of data using an interrupt method. 513 * 514 * This function receives data using an interrupt method. This is a non-blocking function, which 515 * returns directly without waiting for all data to be received. 516 * The receive request is saved by the UART adapter. 517 * When the new data arrives, the receive request is serviced first. 518 * When all data is received, the UART adapter notifies the upper layer 519 * through a callback function and passes the status parameter @ref kStatus_UART_RxIdle. 520 * 521 * @note The function #HAL_UartReceiveBlocking and the function #HAL_UartReceiveNonBlocking 522 * cannot be used at the same time. 523 * 524 * @param handle UART handle pointer. 525 * @param data Start address of the data to write. 526 * @param length Size of the data to write. 527 * @retval kStatus_HAL_UartSuccess Successfully queue the transfer into transmit queue. 528 * @retval kStatus_HAL_UartRxBusy Previous receive request is not finished. 529 * @retval kStatus_HAL_UartError An error occurred. 530 */ 531 hal_uart_status_t HAL_UartReceiveNonBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length); 532 533 /*! 534 * @brief Transmits a buffer of data using the interrupt method. 535 * 536 * This function sends data using an interrupt method. This is a non-blocking function, which 537 * returns directly without waiting for all data to be written to the TX register. When 538 * all data is written to the TX register in the ISR, the UART driver calls the callback 539 * function and passes the @ref kStatus_UART_TxIdle as status parameter. 540 * 541 * @note The function #HAL_UartSendBlocking and the function #HAL_UartSendNonBlocking 542 * cannot be used at the same time. 543 * 544 * @param handle UART handle pointer. 545 * @param data Start address of the data to write. 546 * @param length Size of the data to write. 547 * @retval kStatus_HAL_UartSuccess Successfully start the data transmission. 548 * @retval kStatus_HAL_UartTxBusy Previous transmission still not finished; data not all written to TX register yet. 549 * @retval kStatus_HAL_UartError An error occurred. 550 */ 551 hal_uart_status_t HAL_UartSendNonBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length); 552 553 /*! 554 * @brief Gets the number of bytes that have been received. 555 * 556 * This function gets the number of bytes that have been received. 557 * 558 * @param handle UART handle pointer. 559 * @param count Receive bytes count. 560 * @retval kStatus_HAL_UartError An error occurred. 561 * @retval kStatus_Success Get successfully through the parameter \p count. 562 */ 563 hal_uart_status_t HAL_UartGetReceiveCount(hal_uart_handle_t handle, uint32_t *reCount); 564 565 /*! 566 * @brief Gets the number of bytes written to the UART TX register. 567 * 568 * This function gets the number of bytes written to the UART TX 569 * register by using the interrupt method. 570 * 571 * @param handle UART handle pointer. 572 * @param count Send bytes count. 573 * @retval kStatus_HAL_UartError An error occurred. 574 * @retval kStatus_Success Get successfully through the parameter \p count. 575 */ 576 hal_uart_status_t HAL_UartGetSendCount(hal_uart_handle_t handle, uint32_t *seCount); 577 578 /*! 579 * @brief Aborts the interrupt-driven data receiving. 580 * 581 * This function aborts the interrupt-driven data receiving. The user can get the remainBytes to know 582 * how many bytes are not received yet. 583 * 584 * @note The function #HAL_UartAbortReceive cannot be used to abort the transmission of 585 * the function #HAL_UartReceiveBlocking. 586 * 587 * @param handle UART handle pointer. 588 * @retval kStatus_Success Get successfully abort the receiving. 589 */ 590 hal_uart_status_t HAL_UartAbortReceive(hal_uart_handle_t handle); 591 592 /*! 593 * @brief Aborts the interrupt-driven data sending. 594 * 595 * This function aborts the interrupt-driven data sending. The user can get the remainBytes to find out 596 * how many bytes are not sent out. 597 * 598 * @note The function #HAL_UartAbortSend cannot be used to abort the transmission of 599 * the function #HAL_UartSendBlocking. 600 * 601 * @param handle UART handle pointer. 602 * @retval kStatus_Success Get successfully abort the sending. 603 */ 604 hal_uart_status_t HAL_UartAbortSend(hal_uart_handle_t handle); 605 606 /*! @}*/ 607 608 #endif 609 #endif 610 611 #if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)) 612 613 /*! 614 * @brief Initializes a UART dma instance with the UART dma handle and the user configuration structure. 615 * 616 * This function configures the UART dma module with user-defined settings. The user can configure the configuration 617 * structure. The parameter handle is a pointer to point to a memory space of size #HAL_UART_DMA_HANDLE_SIZE allocated 618 * by the caller. Example below shows how to use this API to configure the UART. 619 * @code 620 * 621 * Init TimerManager, only used in UART without Idleline interrupt 622 * timer_config_t timerConfig; 623 * timerConfig.srcClock_Hz = 16000000; 624 * timerConfig.instance = 0; 625 * TM_Init(&timerConfig); 626 * 627 * Init the DMA module 628 * DMA_Init(DMA0); 629 * 630 * Define a uart dma handle 631 * UART_HANDLE_DEFINE(g_uartHandle); 632 * UART_DMA_HANDLE_DEFINE(g_UartDmaHandle); 633 * 634 * Configure uart settings 635 * hal_uart_config_t uartConfig; 636 * uartConfig.srcClock_Hz = 48000000; 637 * uartConfig.baudRate_Bps = 115200; 638 * uartConfig.parityMode = kHAL_UartParityDisabled; 639 * uartConfig.stopBitCount = kHAL_UartOneStopBit; 640 * uartConfig.enableRx = 1; 641 * uartConfig.enableTx = 1; 642 * uartConfig.enableRxRTS = 0; 643 * uartConfig.enableTxCTS = 0; 644 * uartConfig.instance = 0; 645 * 646 * Init uart 647 * HAL_UartInit((hal_uart_handle_t *)g_uartHandle, &uartConfig); 648 * 649 * Configure uart dma settings 650 * hal_uart_dma_config_t dmaConfig; 651 * dmaConfig.uart_instance = 0; 652 * dmaConfig.dma_instance = 0; 653 * dmaConfig.rx_channel = 0; 654 * dmaConfig.tx_channel = 1; 655 * 656 * Init uart dma 657 * HAL_UartDMAInit((hal_uart_handle_t *)g_uartHandle, (hal_uart_dma_handle_t *)g_uartDmaHandle, &dmaConfig); 658 * @endcode 659 * 660 * @param handle UART handle pointer. 661 * @param dmaHandle Pointer to point to a memory space of size #HAL_UART_DMA_HANDLE_SIZE allocated by the caller. 662 * The handle should be 4 byte aligned, because unaligned access doesn't be supported on some devices. 663 * You can define the handle in the following two ways: 664 * #UART_DMA_HANDLE_DEFINE(handle); 665 * or 666 * uint32_t handle[((HAL_UART_DMA_HANDLE_SIZE + sizeof(uint32_t) - 1U) / sizeof(uint32_t))]; 667 * @param dmaConfig Pointer to user-defined configuration structure. 668 * @retval kStatus_HAL_UartDmaError UART dma initialization failed. 669 * @retval kStatus_HAL_UartDmaSuccess UART dma initialization succeed. 670 */ 671 hal_uart_dma_status_t HAL_UartDMAInit(hal_uart_handle_t handle, 672 hal_uart_dma_handle_t dmaHandle, 673 hal_uart_dma_config_t *dmaConfig); 674 675 /*! 676 * @brief Deinitializes a UART DMA instance. 677 * 678 * This function will abort uart dma receive/send transfer and deinitialize UART. 679 * 680 * @param handle UART handle pointer. 681 * @retval kStatus_HAL_UartDmaSuccess UART DMA de-initialization succeed 682 */ 683 hal_uart_dma_status_t HAL_UartDMADeinit(hal_uart_handle_t handle); 684 685 /*! 686 * @brief Installs a callback and callback parameter. 687 * 688 * This function is used to install the callback and callback parameter for UART DMA module. 689 * When any status of the UART DMA changed, the driver will notify the upper layer by the installed callback 690 * function. And the status is also passed as status parameter when the callback is called. 691 * 692 * @param handle UART handle pointer. 693 * @param callback The callback function. 694 * @param callbackParam The parameter of the callback function. 695 * @retval kStatus_HAL_UartDmaSuccess Successfully install the callback. 696 */ 697 hal_uart_dma_status_t HAL_UartDMATransferInstallCallback(hal_uart_handle_t handle, 698 hal_uart_dma_transfer_callback_t callback, 699 void *callbackParam); 700 701 /*! 702 * @brief Receives a buffer of data using an dma method. 703 * 704 * This function receives data using an dma method. This is a non-blocking function, which 705 * returns directly without waiting for all data to be received. 706 * The receive request is saved by the UART DMA driver. 707 * When all data is received, the UART DMA adapter notifies the upper layer 708 * through a callback function and passes the status parameter @ref kStatus_HAL_UartDmaRxIdle. 709 * 710 * When an idleline is detected, the UART DMA adapter notifies the upper layer through a callback function, 711 * and passes the status parameter @ref kStatus_HAL_UartDmaIdleline. For the UARTs without hardware idleline 712 * interrupt(like usart), it will use a software idleline detection method with the help of TimerManager. 713 * 714 * When the soc support cache, uplayer should do cache maintain operations for transfer buffer before call this API. 715 * 716 * @param handle UART handle pointer. 717 * @param data data Start address of the buffer to store the received data. 718 * @param length Size of the buffer. 719 * @param receiveAll Idleline interrupt will not end transfer process if set true. 720 * @retval kStatus_HAL_UartDmaSuccess Successfully start the data receive. 721 * @retval kStatus_HAL_UartDmaRxBusy Previous receive request is not finished. 722 */ 723 hal_uart_dma_status_t HAL_UartDMATransferReceive(hal_uart_handle_t handle, 724 uint8_t *data, 725 size_t length, 726 bool receiveAll); 727 728 /*! 729 * @brief Transmits a buffer of data using an dma method. 730 * 731 * This function sends data using an dma method. This is a non-blocking function, which 732 * returns directly without waiting for all data to be written to the TX register. When 733 * all data is written to the TX register by DMA, the UART DMA driver calls the callback 734 * function and passes the @ref kStatus_HAL_UartDmaTxIdle as status parameter. 735 * 736 * When the soc support cache, uplayer should do cache maintain operations for transfer buffer before call this API. 737 * 738 * @param handle UART handle pointer. 739 * @param data data Start address of the data to write. 740 * @param length Size of the data to write. 741 * @retval kStatus_HAL_UartDmaSuccess Successfully start the data transmission. 742 * @retval kStatus_HAL_UartDmaTxBusy Previous send request is not finished. 743 */ 744 hal_uart_dma_status_t HAL_UartDMATransferSend(hal_uart_handle_t handle, uint8_t *data, size_t length); 745 746 /*! 747 * @brief Gets the number of bytes that have been received. 748 * 749 * This function gets the number of bytes that have been received. 750 * 751 * @param handle UART handle pointer. 752 * @param reCount Receive bytes count. 753 * @retval kStatus_HAL_UartDmaError An error occurred. 754 * @retval kStatus_HAL_UartDmaSuccess Get successfully through the parameter \p reCount. 755 */ 756 hal_uart_dma_status_t HAL_UartDMAGetReceiveCount(hal_uart_handle_t handle, uint32_t *reCount); 757 758 /*! 759 * @brief Gets the number of bytes written to the UART TX register. 760 * 761 * This function gets the number of bytes written to the UART TX 762 * register by using the DMA method. 763 * 764 * @param handle UART handle pointer. 765 * @param count Send bytes count. 766 * @retval kStatus_HAL_UartDmaError An error occurred. 767 * @retval kStatus_HAL_UartDmaSuccess Get successfully through the parameter \p seCount. 768 */ 769 hal_uart_dma_status_t HAL_UartDMAGetSendCount(hal_uart_handle_t handle, uint32_t *seCount); 770 771 /*! 772 * @brief Aborts the DMA-driven data receiving. 773 * 774 * This function aborts the DMA-driven data receiving. 775 * 776 * @param handle UART handle pointer. 777 * @retval kStatus_HAL_UartDmaSuccess Get successfully abort the receiving. 778 */ 779 hal_uart_dma_status_t HAL_UartDMAAbortReceive(hal_uart_handle_t handle); 780 781 /*! 782 * @brief Aborts the DMA-driven data sending. 783 * 784 * This function aborts the DMA-driven data sending. 785 * 786 * @param handle UART handle pointer. 787 * @retval kStatus_Success Get successfully abort the sending. 788 */ 789 hal_uart_dma_status_t HAL_UartDMAAbortSend(hal_uart_handle_t handle); 790 #endif /* HAL_UART_DMA_ENABLE */ 791 792 /*! 793 * @brief Prepares to enter low power consumption. 794 * 795 * This function is used to prepare to enter low power consumption. 796 * 797 * @param handle UART handle pointer. 798 * @retval kStatus_HAL_UartSuccess Successful operation. 799 * @retval kStatus_HAL_UartError An error occurred. 800 */ 801 hal_uart_status_t HAL_UartEnterLowpower(hal_uart_handle_t handle); 802 803 /*! 804 * @brief Restores from low power consumption. 805 * 806 * This function is used to restore from low power consumption. 807 * 808 * @param handle UART handle pointer. 809 * @retval kStatus_HAL_UartSuccess Successful operation. 810 * @retval kStatus_HAL_UartError An error occurred. 811 */ 812 hal_uart_status_t HAL_UartExitLowpower(hal_uart_handle_t handle); 813 814 #if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U)) 815 /*! 816 * @brief UART IRQ handle function. 817 * 818 * This function handles the UART transmit and receive IRQ request. 819 * 820 * @param handle UART handle pointer. 821 */ 822 void HAL_UartIsrFunction(hal_uart_handle_t handle); 823 #endif 824 825 #if defined(__cplusplus) 826 } 827 #endif 828 /*! @}*/ 829 #endif /* __HAL_UART_ADAPTER_H__ */ 830
