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nRF51822_wallbot/nordic/nrf-sdk/app_common/app_uart.h@0:8468a4403fea, 2016-10-11 (annotated)

Committer:
jksoft
Date:
Tue Oct 11 11:09:42 2016 +0000
Revision:
0:8468a4403fea
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jksoft 0:8468a4403fea 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
jksoft 0:8468a4403fea 2 *
jksoft 0:8468a4403fea 3 * The information contained herein is property of Nordic Semiconductor ASA.
jksoft 0:8468a4403fea 4 * Terms and conditions of usage are described in detail in NORDIC
jksoft 0:8468a4403fea 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
jksoft 0:8468a4403fea 6 *
jksoft 0:8468a4403fea 7 * Licensees are granted free, non-transferable use of the information. NO
jksoft 0:8468a4403fea 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
jksoft 0:8468a4403fea 9 * the file.
jksoft 0:8468a4403fea 10 *
jksoft 0:8468a4403fea 11 */
jksoft 0:8468a4403fea 12
jksoft 0:8468a4403fea 13 /**@file
jksoft 0:8468a4403fea 14 *
jksoft 0:8468a4403fea 15 * @defgroup app_uart UART module
jksoft 0:8468a4403fea 16 * @{
jksoft 0:8468a4403fea 17 * @ingroup app_common
jksoft 0:8468a4403fea 18 *
jksoft 0:8468a4403fea 19 * @brief UART module interface.
jksoft 0:8468a4403fea 20 */
jksoft 0:8468a4403fea 21
jksoft 0:8468a4403fea 22 #ifndef APP_UART_H__
jksoft 0:8468a4403fea 23 #define APP_UART_H__
jksoft 0:8468a4403fea 24
jksoft 0:8468a4403fea 25 #include <stdint.h>
jksoft 0:8468a4403fea 26 #include <stdbool.h>
jksoft 0:8468a4403fea 27 #include "app_util_platform.h"
jksoft 0:8468a4403fea 28
jksoft 0:8468a4403fea 29 #define UART_PIN_DISCONNECTED 0xFFFFFFFF /**< Value indicating that no pin is connected to this UART register. */
jksoft 0:8468a4403fea 30
jksoft 0:8468a4403fea 31 /**@brief UART Flow Control modes for the peripheral.
jksoft 0:8468a4403fea 32 */
jksoft 0:8468a4403fea 33 typedef enum
jksoft 0:8468a4403fea 34 {
jksoft 0:8468a4403fea 35 APP_UART_FLOW_CONTROL_DISABLED, /**< UART Hw Flow Control is disabled. */
jksoft 0:8468a4403fea 36 APP_UART_FLOW_CONTROL_ENABLED, /**< Standard UART Hw Flow Control is enabled. */
jksoft 0:8468a4403fea 37 APP_UART_FLOW_CONTROL_LOW_POWER /**< Specialized UART Hw Flow Control is used. The Low Power setting allows the nRF51 to Power Off the UART module when CTS is in-active, and re-enabling the UART when the CTS signal becomes active. This allows the nRF51 to safe power by only using the UART module when it is needed by the remote site. */
jksoft 0:8468a4403fea 38 } app_uart_flow_control_t;
jksoft 0:8468a4403fea 39
jksoft 0:8468a4403fea 40 /**@brief UART communication structure holding configuration settings for the peripheral.
jksoft 0:8468a4403fea 41 */
jksoft 0:8468a4403fea 42 typedef struct
jksoft 0:8468a4403fea 43 {
jksoft 0:8468a4403fea 44 uint8_t rx_pin_no; /**< RX pin number. */
jksoft 0:8468a4403fea 45 uint8_t tx_pin_no; /**< TX pin number. */
jksoft 0:8468a4403fea 46 uint8_t rts_pin_no; /**< RTS pin number, only used if flow control is enabled. */
jksoft 0:8468a4403fea 47 uint8_t cts_pin_no; /**< CTS pin number, only used if flow control is enabled. */
jksoft 0:8468a4403fea 48 app_uart_flow_control_t flow_control; /**< Flow control setting, if flow control is used, the system will use low power UART mode, based on CTS signal. */
jksoft 0:8468a4403fea 49 bool use_parity; /**< Even parity if TRUE, no parity if FALSE. */
jksoft 0:8468a4403fea 50 uint32_t baud_rate; /**< Baud rate configuration. */
jksoft 0:8468a4403fea 51 } app_uart_comm_params_t;
jksoft 0:8468a4403fea 52
jksoft 0:8468a4403fea 53 /**@brief UART buffer for transmitting/receiving data.
jksoft 0:8468a4403fea 54 */
jksoft 0:8468a4403fea 55 typedef struct
jksoft 0:8468a4403fea 56 {
jksoft 0:8468a4403fea 57 uint8_t * rx_buf; /**< Pointer to the RX buffer. */
jksoft 0:8468a4403fea 58 uint32_t rx_buf_size; /**< Size of the RX buffer. */
jksoft 0:8468a4403fea 59 uint8_t * tx_buf; /**< Pointer to the TX buffer. */
jksoft 0:8468a4403fea 60 uint32_t tx_buf_size; /**< Size of the TX buffer. */
jksoft 0:8468a4403fea 61 } app_uart_buffers_t;
jksoft 0:8468a4403fea 62
jksoft 0:8468a4403fea 63 /**@brief Enumeration describing current state of the UART.
jksoft 0:8468a4403fea 64 *
jksoft 0:8468a4403fea 65 * @details The connection state can be fetched by the application using the function call
jksoft 0:8468a4403fea 66 * @ref app_uart_get_connection_state.
jksoft 0:8468a4403fea 67 * When hardware flow control is used
jksoft 0:8468a4403fea 68 * - APP_UART_CONNECTED: Communication is ongoing.
jksoft 0:8468a4403fea 69 * - APP_UART_DISCONNECTED: No communication is ongoing.
jksoft 0:8468a4403fea 70 *
jksoft 0:8468a4403fea 71 * When no hardware flow control is used
jksoft 0:8468a4403fea 72 * - APP_UART_CONNECTED: Always returned as bytes can always be received/transmitted.
jksoft 0:8468a4403fea 73 */
jksoft 0:8468a4403fea 74 typedef enum
jksoft 0:8468a4403fea 75 {
jksoft 0:8468a4403fea 76 APP_UART_DISCONNECTED, /**< State indicating that the UART is disconnected and cannot receive or transmit bytes. */
jksoft 0:8468a4403fea 77 APP_UART_CONNECTED /**< State indicating that the UART is connected and ready to receive or transmit bytes. If flow control is disabled, the state will always be connected. */
jksoft 0:8468a4403fea 78 } app_uart_connection_state_t;
jksoft 0:8468a4403fea 79
jksoft 0:8468a4403fea 80 /**@brief Enumeration which defines events used by the UART module upon data reception or error.
jksoft 0:8468a4403fea 81 *
jksoft 0:8468a4403fea 82 * @details The event type is used to indicate the type of additional information in the event
jksoft 0:8468a4403fea 83 * @ref app_uart_evt_t.
jksoft 0:8468a4403fea 84 */
jksoft 0:8468a4403fea 85 typedef enum
jksoft 0:8468a4403fea 86 {
jksoft 0:8468a4403fea 87 APP_UART_DATA_READY, /**< An event indicating that UART data has been received. The data is available in the FIFO and can be fetched using @ref app_uart_get. */
jksoft 0:8468a4403fea 88 APP_UART_FIFO_ERROR, /**< An error in the FIFO module used by the app_uart module has occured. The FIFO error code is stored in app_uart_evt_t.data.error_code field. */
jksoft 0:8468a4403fea 89 APP_UART_COMMUNICATION_ERROR, /**< An communication error has occured during reception. The error is stored in app_uart_evt_t.data.error_communication field. */
jksoft 0:8468a4403fea 90 APP_UART_TX_EMPTY, /**< An event indicating that UART has completed transmission of all available data in the TX FIFO. */
jksoft 0:8468a4403fea 91 APP_UART_DATA, /**< An event indicating that UART data has been received, and data is present in data field. This event is only used when no FIFO is configured. */
jksoft 0:8468a4403fea 92 } app_uart_evt_type_t;
jksoft 0:8468a4403fea 93
jksoft 0:8468a4403fea 94 /**@brief Struct containing events from the UART module.
jksoft 0:8468a4403fea 95 *
jksoft 0:8468a4403fea 96 * @details The app_uart_evt_t is used to notify the application of asynchronous events when data
jksoft 0:8468a4403fea 97 * are received on the UART peripheral or in case an error occured during data reception.
jksoft 0:8468a4403fea 98 */
jksoft 0:8468a4403fea 99 typedef struct
jksoft 0:8468a4403fea 100 {
jksoft 0:8468a4403fea 101 app_uart_evt_type_t evt_type; /**< Type of event. */
jksoft 0:8468a4403fea 102 union
jksoft 0:8468a4403fea 103 {
jksoft 0:8468a4403fea 104 uint32_t error_communication; /**< Field used if evt_type is: APP_UART_COMMUNICATION_ERROR. This field contains the value in the ERRORSRC register for the UART peripheral. The UART_ERRORSRC_x defines from @ref nrf51_bitfields.h can be used to parse the error code. See also the nRF51 Series Reference Manual for specification. */
jksoft 0:8468a4403fea 105 uint32_t error_code; /**< Field used if evt_type is: NRF_ERROR_x. Additional status/error code if the error event type is APP_UART_FIFO_ERROR. This error code refer to errors defined in nrf_error.h. */
jksoft 0:8468a4403fea 106 uint8_t value; /**< Field used if evt_type is: NRF_ERROR_x. Additional status/error code if the error event type is APP_UART_FIFO_ERROR. This error code refer to errors defined in nrf_error.h. */
jksoft 0:8468a4403fea 107 } data;
jksoft 0:8468a4403fea 108 } app_uart_evt_t;
jksoft 0:8468a4403fea 109
jksoft 0:8468a4403fea 110 /**@brief Function for handling app_uart event callback.
jksoft 0:8468a4403fea 111 *
jksoft 0:8468a4403fea 112 * @details Upon an event in the app_uart module this callback function will be called to notify
jksoft 0:8468a4403fea 113 * the applicatioon about the event.
jksoft 0:8468a4403fea 114 *
jksoft 0:8468a4403fea 115 * @param[in] p_app_uart_event Pointer to UART event.
jksoft 0:8468a4403fea 116 */
jksoft 0:8468a4403fea 117
jksoft 0:8468a4403fea 118
jksoft 0:8468a4403fea 119 typedef void (* app_uart_event_handler_t) (app_uart_evt_t * p_app_uart_event);
jksoft 0:8468a4403fea 120
jksoft 0:8468a4403fea 121 /**@brief Macro for safe initialization of the UART module in a single user instance when using
jksoft 0:8468a4403fea 122 * a FIFO together with UART.
jksoft 0:8468a4403fea 123 *
jksoft 0:8468a4403fea 124 * @param[in] P_COMM_PARAMS Pointer to a UART communication structure: app_uart_comm_params_t
jksoft 0:8468a4403fea 125 * @param[in] RX_BUF_SIZE Size of desired RX buffer, must be a power of 2 or ZERO (No FIFO).
jksoft 0:8468a4403fea 126 * @param[in] TX_BUF_SIZE Size of desired TX buffer, must be a power of 2 or ZERO (No FIFO).
jksoft 0:8468a4403fea 127 * @param[in] EVENT_HANDLER Event handler function to be called when an event occurs in the
jksoft 0:8468a4403fea 128 * UART module.
jksoft 0:8468a4403fea 129 * @param[in] IRQ_PRIO IRQ priority, app_irq_priority_t, for the UART module irq handler.
jksoft 0:8468a4403fea 130 * @param[out] ERR_CODE The return value of the UART initialization function will be
jksoft 0:8468a4403fea 131 * written to this parameter.
jksoft 0:8468a4403fea 132 *
jksoft 0:8468a4403fea 133 * @note Since this macro allocates a buffer and registers the module as a GPIOTE user when flow
jksoft 0:8468a4403fea 134 * control is enabled, it must only be called once.
jksoft 0:8468a4403fea 135 */
jksoft 0:8468a4403fea 136 #define APP_UART_FIFO_INIT(P_COMM_PARAMS, RX_BUF_SIZE, TX_BUF_SIZE, EVT_HANDLER, IRQ_PRIO, ERR_CODE) \
jksoft 0:8468a4403fea 137 do \
jksoft 0:8468a4403fea 138 { \
jksoft 0:8468a4403fea 139 uint16_t APP_UART_UID = 0; \
jksoft 0:8468a4403fea 140 app_uart_buffers_t buffers; \
jksoft 0:8468a4403fea 141 static uint8_t rx_buf[RX_BUF_SIZE]; \
jksoft 0:8468a4403fea 142 static uint8_t tx_buf[TX_BUF_SIZE]; \
jksoft 0:8468a4403fea 143 \
jksoft 0:8468a4403fea 144 buffers.rx_buf = rx_buf; \
jksoft 0:8468a4403fea 145 buffers.rx_buf_size = sizeof (rx_buf); \
jksoft 0:8468a4403fea 146 buffers.tx_buf = tx_buf; \
jksoft 0:8468a4403fea 147 buffers.tx_buf_size = sizeof (tx_buf); \
jksoft 0:8468a4403fea 148 ERR_CODE = app_uart_init(P_COMM_PARAMS, &buffers, EVT_HANDLER, IRQ_PRIO, &APP_UART_UID); \
jksoft 0:8468a4403fea 149 } while (0)
jksoft 0:8468a4403fea 150
jksoft 0:8468a4403fea 151 /**@brief Macro for safe initialization of the UART module in a single user instance.
jksoft 0:8468a4403fea 152 *
jksoft 0:8468a4403fea 153 * @param[in] P_COMM_PARAMS Pointer to a UART communication structure: app_uart_comm_params_t
jksoft 0:8468a4403fea 154 * @param[in] EVENT_HANDLER Event handler function to be called when an event occurs in the
jksoft 0:8468a4403fea 155 * UART module.
jksoft 0:8468a4403fea 156 * @param[in] IRQ_PRIO IRQ priority, app_irq_priority_t, for the UART module irq handler.
jksoft 0:8468a4403fea 157 * @param[out] ERR_CODE The return value of the UART initialization function will be
jksoft 0:8468a4403fea 158 * written to this parameter.
jksoft 0:8468a4403fea 159 *
jksoft 0:8468a4403fea 160 * @note Since this macro allocates registers the module as a GPIOTE user when flow control is
jksoft 0:8468a4403fea 161 * enabled, it must only be called once.
jksoft 0:8468a4403fea 162 */
jksoft 0:8468a4403fea 163 #define APP_UART_INIT(P_COMM_PARAMS, EVT_HANDLER, IRQ_PRIO, ERR_CODE) \
jksoft 0:8468a4403fea 164 do \
jksoft 0:8468a4403fea 165 { \
jksoft 0:8468a4403fea 166 uint16_t APP_UART_UID = 0; \
jksoft 0:8468a4403fea 167 ERR_CODE = app_uart_init(P_COMM_PARAMS, NULL, EVT_HANDLER, IRQ_PRIO, &APP_UART_UID); \
jksoft 0:8468a4403fea 168 } while (0)
jksoft 0:8468a4403fea 169
jksoft 0:8468a4403fea 170 /**@brief Function for initializing the UART module. Use this initialization when several instances of the UART
jksoft 0:8468a4403fea 171 * module are needed.
jksoft 0:8468a4403fea 172 *
jksoft 0:8468a4403fea 173 * @details This initialization will return a UART user id for the caller. The UART user id must be
jksoft 0:8468a4403fea 174 * used upon re-initialization of the UART or closing of the module for the user.
jksoft 0:8468a4403fea 175 * If single instance usage is needed, the APP_UART_INIT() macro should be used instead.
jksoft 0:8468a4403fea 176 *
jksoft 0:8468a4403fea 177 * @note Normally single instance initialization should be done using the APP_UART_INIT() or
jksoft 0:8468a4403fea 178 * APP_UART_INIT_FIFO() macro depending on whether the FIFO should be used by the UART, as
jksoft 0:8468a4403fea 179 * that will allocate the buffers needed by the UART module (including aligning the buffer
jksoft 0:8468a4403fea 180 * correctly).
jksoft 0:8468a4403fea 181
jksoft 0:8468a4403fea 182 * @param[in] p_comm_params Pin and communication parameters.
jksoft 0:8468a4403fea 183 * @param[in] p_buffers RX and TX buffers, NULL is FIFO is not used.
jksoft 0:8468a4403fea 184 * @param[in] error_handler Function to be called in case of an error.
jksoft 0:8468a4403fea 185 * @param[in] app_irq_priority Interrupt priority level.
jksoft 0:8468a4403fea 186 * @param[in,out] p_uart_uid User id for the UART module. The p_uart_uid must be used if
jksoft 0:8468a4403fea 187 * re-initialization and/or closing of the UART module is needed.
jksoft 0:8468a4403fea 188 * If the value pointed to by p_uart_uid is zero, this is
jksoft 0:8468a4403fea 189 * considdered a first time initialization. Otherwise this is
jksoft 0:8468a4403fea 190 * considered a re-initialization for the user with id *p_uart_uid.
jksoft 0:8468a4403fea 191 *
jksoft 0:8468a4403fea 192 * @retval NRF_SUCCESS If successful initialization.
jksoft 0:8468a4403fea 193 * @retval NRF_ERROR_INVALID_LENGTH If a provided buffer is not a power of two.
jksoft 0:8468a4403fea 194 * @retval NRF_ERROR_NULL If one of the provided buffers is a NULL pointer.
jksoft 0:8468a4403fea 195 *
jksoft 0:8468a4403fea 196 * Those errors are propagated by the UART module to the caller upon registration when Hardware Flow
jksoft 0:8468a4403fea 197 * Control is enabled. When Hardware Flow Control is not used, those errors cannot occur.
jksoft 0:8468a4403fea 198 * @retval NRF_ERROR_INVALID_STATE The GPIOTE module is not in a valid state when registering
jksoft 0:8468a4403fea 199 * the UART module as a user.
jksoft 0:8468a4403fea 200 * @retval NRF_ERROR_INVALID_PARAM The UART module provides an invalid callback function when
jksoft 0:8468a4403fea 201 * registering the UART module as a user.
jksoft 0:8468a4403fea 202 * Or the value pointed to by *p_uart_uid is not a valid
jksoft 0:8468a4403fea 203 * GPIOTE number.
jksoft 0:8468a4403fea 204 * @retval NRF_ERROR_NO_MEM GPIOTE module has reached the maximum number of users.
jksoft 0:8468a4403fea 205 */
jksoft 0:8468a4403fea 206 uint32_t app_uart_init(const app_uart_comm_params_t * p_comm_params,
jksoft 0:8468a4403fea 207 app_uart_buffers_t * p_buffers,
jksoft 0:8468a4403fea 208 app_uart_event_handler_t error_handler,
jksoft 0:8468a4403fea 209 app_irq_priority_t irq_priority,
jksoft 0:8468a4403fea 210 uint16_t * p_uart_uid);
jksoft 0:8468a4403fea 211
jksoft 0:8468a4403fea 212 /**@brief Function for getting a byte from the UART.
jksoft 0:8468a4403fea 213 *
jksoft 0:8468a4403fea 214 * @details This function will get the next byte from the RX buffer. If the RX buffer is empty
jksoft 0:8468a4403fea 215 * an error code will be returned and the app_uart module will generate an event upon
jksoft 0:8468a4403fea 216 * reception of the first byte which is added to the RX buffer.
jksoft 0:8468a4403fea 217 *
jksoft 0:8468a4403fea 218 * @param[out] p_byte Pointer to an address where next byte received on the UART will be copied.
jksoft 0:8468a4403fea 219 *
jksoft 0:8468a4403fea 220 * @retval NRF_SUCCESS If a byte has been received and pushed to the pointer provided.
jksoft 0:8468a4403fea 221 * @retval NRF_ERROR_NOT_FOUND If no byte is available in the RX buffer of the app_uart module.
jksoft 0:8468a4403fea 222 */
jksoft 0:8468a4403fea 223 uint32_t app_uart_get(uint8_t * p_byte);
jksoft 0:8468a4403fea 224
jksoft 0:8468a4403fea 225 /**@brief Function for putting a byte on the UART.
jksoft 0:8468a4403fea 226 *
jksoft 0:8468a4403fea 227 * @details This call is non-blocking.
jksoft 0:8468a4403fea 228 *
jksoft 0:8468a4403fea 229 * @param[in] byte Byte to be transmitted on the UART.
jksoft 0:8468a4403fea 230 *
jksoft 0:8468a4403fea 231 * @retval NRF_SUCCESS If the byte was succesfully put on the TX buffer for transmission.
jksoft 0:8468a4403fea 232 * @retval NRF_ERROR_NO_MEM If no more space is available in the TX buffer.
jksoft 0:8468a4403fea 233 * NRF_ERROR_NO_MEM may occur if flow control is enabled and CTS signal
jksoft 0:8468a4403fea 234 * is high for a long period and the buffer fills up.
jksoft 0:8468a4403fea 235 */
jksoft 0:8468a4403fea 236 uint32_t app_uart_put(uint8_t byte);
jksoft 0:8468a4403fea 237
jksoft 0:8468a4403fea 238 /**@brief Function for getting the current state of the UART.
jksoft 0:8468a4403fea 239 *
jksoft 0:8468a4403fea 240 * @details If flow control is disabled, the state is assumed to always be APP_UART_CONNECTED.
jksoft 0:8468a4403fea 241 *
jksoft 0:8468a4403fea 242 * When using flow control the state will be controlled by the CTS. If CTS is set active
jksoft 0:8468a4403fea 243 * by the remote side, or the app_uart module is in the process of transmitting a byte,
jksoft 0:8468a4403fea 244 * app_uart is in APP_UART_CONNECTED state. If CTS is set inactive by remote side app_uart
jksoft 0:8468a4403fea 245 * will not get into APP_UART_DISCONNECTED state until the last byte in the TXD register
jksoft 0:8468a4403fea 246 * is fully transmitted.
jksoft 0:8468a4403fea 247 *
jksoft 0:8468a4403fea 248 * Internal states in the state machine are mapped to the general connected/disconnected
jksoft 0:8468a4403fea 249 * states in the following ways:
jksoft 0:8468a4403fea 250 *
jksoft 0:8468a4403fea 251 * - UART_ON = CONNECTED
jksoft 0:8468a4403fea 252 * - UART_READY = CONNECTED
jksoft 0:8468a4403fea 253 * - UART_WAIT = CONNECTED
jksoft 0:8468a4403fea 254 * - UART_OFF = DISCONNECTED.
jksoft 0:8468a4403fea 255 *
jksoft 0:8468a4403fea 256 * @param[out] p_connection_state Current connection state of the UART.
jksoft 0:8468a4403fea 257 *
jksoft 0:8468a4403fea 258 * @retval NRF_SUCCESS The connection state was succesfully retrieved.
jksoft 0:8468a4403fea 259 */
jksoft 0:8468a4403fea 260 uint32_t app_uart_get_connection_state(app_uart_connection_state_t * p_connection_state);
jksoft 0:8468a4403fea 261
jksoft 0:8468a4403fea 262 /**@brief Function for flushing the RX and TX buffers (Only valid if FIFO is used).
jksoft 0:8468a4403fea 263 * This function does nothing if FIFO is not used.
jksoft 0:8468a4403fea 264 *
jksoft 0:8468a4403fea 265 * @retval NRF_SUCCESS Flushing completed (Current implementation will always succeed).
jksoft 0:8468a4403fea 266 */
jksoft 0:8468a4403fea 267 uint32_t app_uart_flush(void);
jksoft 0:8468a4403fea 268
jksoft 0:8468a4403fea 269 /**@brief Function for closing the UART module.
jksoft 0:8468a4403fea 270 *
jksoft 0:8468a4403fea 271 * @details This function will close any on-going UART transmissions and disable itself in the
jksoft 0:8468a4403fea 272 * GPTIO module.
jksoft 0:8468a4403fea 273 *
jksoft 0:8468a4403fea 274 * @param[in] app_uart_uid User id for the UART module. The app_uart_uid must be identical to the
jksoft 0:8468a4403fea 275 * UART id returned on initialization and which is currently in use.
jksoft 0:8468a4403fea 276
jksoft 0:8468a4403fea 277 * @retval NRF_SUCCESS If successfully closed.
jksoft 0:8468a4403fea 278 * @retval NRF_ERROR_INVALID_PARAM If an invalid user id is provided or the user id differs from
jksoft 0:8468a4403fea 279 * the current active user.
jksoft 0:8468a4403fea 280 */
jksoft 0:8468a4403fea 281 uint32_t app_uart_close(uint16_t app_uart_id);
jksoft 0:8468a4403fea 282
jksoft 0:8468a4403fea 283
jksoft 0:8468a4403fea 284 #endif //APP_UART_H__
jksoft 0:8468a4403fea 285
jksoft 0:8468a4403fea 286 /** @} */