Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/hal/serial_api.h@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1
marcozecchini 0:9fca2b23d0ba 2 /** \addtogroup hal */
marcozecchini 0:9fca2b23d0ba 3 /** @{*/
marcozecchini 0:9fca2b23d0ba 4 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 5 * Copyright (c) 2006-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 6 *
marcozecchini 0:9fca2b23d0ba 7 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 8 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 9 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 10 *
marcozecchini 0:9fca2b23d0ba 11 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 12 *
marcozecchini 0:9fca2b23d0ba 13 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 14 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 16 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 17 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 18 */
marcozecchini 0:9fca2b23d0ba 19 #ifndef MBED_SERIAL_API_H
marcozecchini 0:9fca2b23d0ba 20 #define MBED_SERIAL_API_H
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 #include "device.h"
marcozecchini 0:9fca2b23d0ba 23 #include "hal/buffer.h"
marcozecchini 0:9fca2b23d0ba 24 #include "hal/dma_api.h"
marcozecchini 0:9fca2b23d0ba 25
marcozecchini 0:9fca2b23d0ba 26 #if DEVICE_SERIAL
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28 #define SERIAL_EVENT_TX_SHIFT (2)
marcozecchini 0:9fca2b23d0ba 29 #define SERIAL_EVENT_RX_SHIFT (8)
marcozecchini 0:9fca2b23d0ba 30
marcozecchini 0:9fca2b23d0ba 31 #define SERIAL_EVENT_TX_MASK (0x00FC)
marcozecchini 0:9fca2b23d0ba 32 #define SERIAL_EVENT_RX_MASK (0x3F00)
marcozecchini 0:9fca2b23d0ba 33
marcozecchini 0:9fca2b23d0ba 34 #define SERIAL_EVENT_ERROR (1 << 1)
marcozecchini 0:9fca2b23d0ba 35
marcozecchini 0:9fca2b23d0ba 36 /**
marcozecchini 0:9fca2b23d0ba 37 * @defgroup SerialTXEvents Serial TX Events Macros
marcozecchini 0:9fca2b23d0ba 38 *
marcozecchini 0:9fca2b23d0ba 39 * @{
marcozecchini 0:9fca2b23d0ba 40 */
marcozecchini 0:9fca2b23d0ba 41 #define SERIAL_EVENT_TX_COMPLETE (1 << (SERIAL_EVENT_TX_SHIFT + 0))
marcozecchini 0:9fca2b23d0ba 42 #define SERIAL_EVENT_TX_ALL (SERIAL_EVENT_TX_COMPLETE)
marcozecchini 0:9fca2b23d0ba 43 /**@}*/
marcozecchini 0:9fca2b23d0ba 44
marcozecchini 0:9fca2b23d0ba 45 /**
marcozecchini 0:9fca2b23d0ba 46 * @defgroup SerialRXEvents Serial RX Events Macros
marcozecchini 0:9fca2b23d0ba 47 *
marcozecchini 0:9fca2b23d0ba 48 * @{
marcozecchini 0:9fca2b23d0ba 49 */
marcozecchini 0:9fca2b23d0ba 50 #define SERIAL_EVENT_RX_COMPLETE (1 << (SERIAL_EVENT_RX_SHIFT + 0))
marcozecchini 0:9fca2b23d0ba 51 #define SERIAL_EVENT_RX_OVERRUN_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 1))
marcozecchini 0:9fca2b23d0ba 52 #define SERIAL_EVENT_RX_FRAMING_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 2))
marcozecchini 0:9fca2b23d0ba 53 #define SERIAL_EVENT_RX_PARITY_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 3))
marcozecchini 0:9fca2b23d0ba 54 #define SERIAL_EVENT_RX_OVERFLOW (1 << (SERIAL_EVENT_RX_SHIFT + 4))
marcozecchini 0:9fca2b23d0ba 55 #define SERIAL_EVENT_RX_CHARACTER_MATCH (1 << (SERIAL_EVENT_RX_SHIFT + 5))
marcozecchini 0:9fca2b23d0ba 56 #define SERIAL_EVENT_RX_ALL (SERIAL_EVENT_RX_OVERFLOW | SERIAL_EVENT_RX_PARITY_ERROR | \
marcozecchini 0:9fca2b23d0ba 57 SERIAL_EVENT_RX_FRAMING_ERROR | SERIAL_EVENT_RX_OVERRUN_ERROR | \
marcozecchini 0:9fca2b23d0ba 58 SERIAL_EVENT_RX_COMPLETE | SERIAL_EVENT_RX_CHARACTER_MATCH)
marcozecchini 0:9fca2b23d0ba 59 /**@}*/
marcozecchini 0:9fca2b23d0ba 60
marcozecchini 0:9fca2b23d0ba 61 #define SERIAL_RESERVED_CHAR_MATCH (255)
marcozecchini 0:9fca2b23d0ba 62
marcozecchini 0:9fca2b23d0ba 63 typedef enum {
marcozecchini 0:9fca2b23d0ba 64 ParityNone = 0,
marcozecchini 0:9fca2b23d0ba 65 ParityOdd = 1,
marcozecchini 0:9fca2b23d0ba 66 ParityEven = 2,
marcozecchini 0:9fca2b23d0ba 67 ParityForced1 = 3,
marcozecchini 0:9fca2b23d0ba 68 ParityForced0 = 4
marcozecchini 0:9fca2b23d0ba 69 } SerialParity;
marcozecchini 0:9fca2b23d0ba 70
marcozecchini 0:9fca2b23d0ba 71 typedef enum {
marcozecchini 0:9fca2b23d0ba 72 RxIrq,
marcozecchini 0:9fca2b23d0ba 73 TxIrq
marcozecchini 0:9fca2b23d0ba 74 } SerialIrq;
marcozecchini 0:9fca2b23d0ba 75
marcozecchini 0:9fca2b23d0ba 76 typedef enum {
marcozecchini 0:9fca2b23d0ba 77 FlowControlNone,
marcozecchini 0:9fca2b23d0ba 78 FlowControlRTS,
marcozecchini 0:9fca2b23d0ba 79 FlowControlCTS,
marcozecchini 0:9fca2b23d0ba 80 FlowControlRTSCTS
marcozecchini 0:9fca2b23d0ba 81 } FlowControl;
marcozecchini 0:9fca2b23d0ba 82
marcozecchini 0:9fca2b23d0ba 83 typedef void (*uart_irq_handler)(uint32_t id, SerialIrq event);
marcozecchini 0:9fca2b23d0ba 84
marcozecchini 0:9fca2b23d0ba 85 #if DEVICE_SERIAL_ASYNCH
marcozecchini 0:9fca2b23d0ba 86 /** Asynch serial HAL structure
marcozecchini 0:9fca2b23d0ba 87 */
marcozecchini 0:9fca2b23d0ba 88 typedef struct {
marcozecchini 0:9fca2b23d0ba 89 struct serial_s serial; /**< Target specific serial structure */
marcozecchini 0:9fca2b23d0ba 90 struct buffer_s tx_buff; /**< TX buffer */
marcozecchini 0:9fca2b23d0ba 91 struct buffer_s rx_buff; /**< RX buffer */
marcozecchini 0:9fca2b23d0ba 92 uint8_t char_match; /**< Character to be matched */
marcozecchini 0:9fca2b23d0ba 93 uint8_t char_found; /**< State of the matched character */
marcozecchini 0:9fca2b23d0ba 94 } serial_t;
marcozecchini 0:9fca2b23d0ba 95
marcozecchini 0:9fca2b23d0ba 96 #else
marcozecchini 0:9fca2b23d0ba 97 /** Non-asynch serial HAL structure
marcozecchini 0:9fca2b23d0ba 98 */
marcozecchini 0:9fca2b23d0ba 99 typedef struct serial_s serial_t;
marcozecchini 0:9fca2b23d0ba 100
marcozecchini 0:9fca2b23d0ba 101 #endif
marcozecchini 0:9fca2b23d0ba 102
marcozecchini 0:9fca2b23d0ba 103 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 104 extern "C" {
marcozecchini 0:9fca2b23d0ba 105 #endif
marcozecchini 0:9fca2b23d0ba 106
marcozecchini 0:9fca2b23d0ba 107 /**
marcozecchini 0:9fca2b23d0ba 108 * \defgroup hal_GeneralSerial Serial Configuration Functions
marcozecchini 0:9fca2b23d0ba 109 * @{
marcozecchini 0:9fca2b23d0ba 110 */
marcozecchini 0:9fca2b23d0ba 111
marcozecchini 0:9fca2b23d0ba 112 /** Initialize the serial peripheral. It sets the default parameters for serial
marcozecchini 0:9fca2b23d0ba 113 * peripheral, and configures its specifieds pins.
marcozecchini 0:9fca2b23d0ba 114 *
marcozecchini 0:9fca2b23d0ba 115 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 116 * @param tx The TX pin name
marcozecchini 0:9fca2b23d0ba 117 * @param rx The RX pin name
marcozecchini 0:9fca2b23d0ba 118 */
marcozecchini 0:9fca2b23d0ba 119 void serial_init(serial_t *obj, PinName tx, PinName rx);
marcozecchini 0:9fca2b23d0ba 120
marcozecchini 0:9fca2b23d0ba 121 /** Release the serial peripheral, not currently invoked. It requires further
marcozecchini 0:9fca2b23d0ba 122 * resource management.
marcozecchini 0:9fca2b23d0ba 123 *
marcozecchini 0:9fca2b23d0ba 124 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 125 */
marcozecchini 0:9fca2b23d0ba 126 void serial_free(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 127
marcozecchini 0:9fca2b23d0ba 128 /** Configure the baud rate
marcozecchini 0:9fca2b23d0ba 129 *
marcozecchini 0:9fca2b23d0ba 130 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 131 * @param baudrate The baud rate to be configured
marcozecchini 0:9fca2b23d0ba 132 */
marcozecchini 0:9fca2b23d0ba 133 void serial_baud(serial_t *obj, int baudrate);
marcozecchini 0:9fca2b23d0ba 134
marcozecchini 0:9fca2b23d0ba 135 /** Configure the format. Set the number of bits, parity and the number of stop bits
marcozecchini 0:9fca2b23d0ba 136 *
marcozecchini 0:9fca2b23d0ba 137 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 138 * @param data_bits The number of data bits
marcozecchini 0:9fca2b23d0ba 139 * @param parity The parity
marcozecchini 0:9fca2b23d0ba 140 * @param stop_bits The number of stop bits
marcozecchini 0:9fca2b23d0ba 141 */
marcozecchini 0:9fca2b23d0ba 142 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits);
marcozecchini 0:9fca2b23d0ba 143
marcozecchini 0:9fca2b23d0ba 144 /** The serial interrupt handler registration
marcozecchini 0:9fca2b23d0ba 145 *
marcozecchini 0:9fca2b23d0ba 146 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 147 * @param handler The interrupt handler which will be invoked when the interrupt fires
marcozecchini 0:9fca2b23d0ba 148 * @param id The SerialBase object
marcozecchini 0:9fca2b23d0ba 149 */
marcozecchini 0:9fca2b23d0ba 150 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id);
marcozecchini 0:9fca2b23d0ba 151
marcozecchini 0:9fca2b23d0ba 152 /** Configure serial interrupt. This function is used for word-approach
marcozecchini 0:9fca2b23d0ba 153 *
marcozecchini 0:9fca2b23d0ba 154 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 155 * @param irq The serial IRQ type (RX or TX)
marcozecchini 0:9fca2b23d0ba 156 * @param enable Set to non-zero to enable events, or zero to disable them
marcozecchini 0:9fca2b23d0ba 157 */
marcozecchini 0:9fca2b23d0ba 158 void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable);
marcozecchini 0:9fca2b23d0ba 159
marcozecchini 0:9fca2b23d0ba 160 /** Get character. This is a blocking call, waiting for a character
marcozecchini 0:9fca2b23d0ba 161 *
marcozecchini 0:9fca2b23d0ba 162 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 163 */
marcozecchini 0:9fca2b23d0ba 164 int serial_getc(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 165
marcozecchini 0:9fca2b23d0ba 166 /** Send a character. This is a blocking call, waiting for a peripheral to be available
marcozecchini 0:9fca2b23d0ba 167 * for writing
marcozecchini 0:9fca2b23d0ba 168 *
marcozecchini 0:9fca2b23d0ba 169 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 170 * @param c The character to be sent
marcozecchini 0:9fca2b23d0ba 171 */
marcozecchini 0:9fca2b23d0ba 172 void serial_putc(serial_t *obj, int c);
marcozecchini 0:9fca2b23d0ba 173
marcozecchini 0:9fca2b23d0ba 174 /** Check if the serial peripheral is readable
marcozecchini 0:9fca2b23d0ba 175 *
marcozecchini 0:9fca2b23d0ba 176 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 177 * @return Non-zero value if a character can be read, 0 if nothing to read
marcozecchini 0:9fca2b23d0ba 178 */
marcozecchini 0:9fca2b23d0ba 179 int serial_readable(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 180
marcozecchini 0:9fca2b23d0ba 181 /** Check if the serial peripheral is writable
marcozecchini 0:9fca2b23d0ba 182 *
marcozecchini 0:9fca2b23d0ba 183 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 184 * @return Non-zero value if a character can be written, 0 otherwise.
marcozecchini 0:9fca2b23d0ba 185 */
marcozecchini 0:9fca2b23d0ba 186 int serial_writable(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 187
marcozecchini 0:9fca2b23d0ba 188 /** Clear the serial peripheral
marcozecchini 0:9fca2b23d0ba 189 *
marcozecchini 0:9fca2b23d0ba 190 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 191 */
marcozecchini 0:9fca2b23d0ba 192 void serial_clear(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 193
marcozecchini 0:9fca2b23d0ba 194 /** Set the break
marcozecchini 0:9fca2b23d0ba 195 *
marcozecchini 0:9fca2b23d0ba 196 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 197 */
marcozecchini 0:9fca2b23d0ba 198 void serial_break_set(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 199
marcozecchini 0:9fca2b23d0ba 200 /** Clear the break
marcozecchini 0:9fca2b23d0ba 201 *
marcozecchini 0:9fca2b23d0ba 202 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 203 */
marcozecchini 0:9fca2b23d0ba 204 void serial_break_clear(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 205
marcozecchini 0:9fca2b23d0ba 206 /** Configure the TX pin for UART function.
marcozecchini 0:9fca2b23d0ba 207 *
marcozecchini 0:9fca2b23d0ba 208 * @param tx The pin name used for TX
marcozecchini 0:9fca2b23d0ba 209 */
marcozecchini 0:9fca2b23d0ba 210 void serial_pinout_tx(PinName tx);
marcozecchini 0:9fca2b23d0ba 211
marcozecchini 0:9fca2b23d0ba 212 /** Configure the serial for the flow control. It sets flow control in the hardware
marcozecchini 0:9fca2b23d0ba 213 * if a serial peripheral supports it, otherwise software emulation is used.
marcozecchini 0:9fca2b23d0ba 214 *
marcozecchini 0:9fca2b23d0ba 215 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 216 * @param type The type of the flow control. Look at the available FlowControl types.
marcozecchini 0:9fca2b23d0ba 217 * @param rxflow The TX pin name
marcozecchini 0:9fca2b23d0ba 218 * @param txflow The RX pin name
marcozecchini 0:9fca2b23d0ba 219 */
marcozecchini 0:9fca2b23d0ba 220 void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow);
marcozecchini 0:9fca2b23d0ba 221
marcozecchini 0:9fca2b23d0ba 222 #if DEVICE_SERIAL_ASYNCH
marcozecchini 0:9fca2b23d0ba 223
marcozecchini 0:9fca2b23d0ba 224 /**@}*/
marcozecchini 0:9fca2b23d0ba 225
marcozecchini 0:9fca2b23d0ba 226 /**
marcozecchini 0:9fca2b23d0ba 227 * \defgroup hal_AsynchSerial Asynchronous Serial Hardware Abstraction Layer
marcozecchini 0:9fca2b23d0ba 228 * @{
marcozecchini 0:9fca2b23d0ba 229 */
marcozecchini 0:9fca2b23d0ba 230
marcozecchini 0:9fca2b23d0ba 231 /** Begin asynchronous TX transfer. The used buffer is specified in the serial object,
marcozecchini 0:9fca2b23d0ba 232 * tx_buff
marcozecchini 0:9fca2b23d0ba 233 *
marcozecchini 0:9fca2b23d0ba 234 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 235 * @param tx The transmit buffer
marcozecchini 0:9fca2b23d0ba 236 * @param tx_length The number of bytes to transmit
marcozecchini 0:9fca2b23d0ba 237 * @param tx_width Deprecated argument
marcozecchini 0:9fca2b23d0ba 238 * @param handler The serial handler
marcozecchini 0:9fca2b23d0ba 239 * @param event The logical OR of events to be registered
marcozecchini 0:9fca2b23d0ba 240 * @param hint A suggestion for how to use DMA with this transfer
marcozecchini 0:9fca2b23d0ba 241 * @return Returns number of data transfered, otherwise returns 0
marcozecchini 0:9fca2b23d0ba 242 */
marcozecchini 0:9fca2b23d0ba 243 int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx_width, uint32_t handler, uint32_t event, DMAUsage hint);
marcozecchini 0:9fca2b23d0ba 244
marcozecchini 0:9fca2b23d0ba 245 /** Begin asynchronous RX transfer (enable interrupt for data collecting)
marcozecchini 0:9fca2b23d0ba 246 * The used buffer is specified in the serial object - rx_buff
marcozecchini 0:9fca2b23d0ba 247 *
marcozecchini 0:9fca2b23d0ba 248 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 249 * @param rx The receive buffer
marcozecchini 0:9fca2b23d0ba 250 * @param rx_length The number of bytes to receive
marcozecchini 0:9fca2b23d0ba 251 * @param rx_width Deprecated argument
marcozecchini 0:9fca2b23d0ba 252 * @param handler The serial handler
marcozecchini 0:9fca2b23d0ba 253 * @param event The logical OR of events to be registered
marcozecchini 0:9fca2b23d0ba 254 * @param handler The serial handler
marcozecchini 0:9fca2b23d0ba 255 * @param char_match A character in range 0-254 to be matched
marcozecchini 0:9fca2b23d0ba 256 * @param hint A suggestion for how to use DMA with this transfer
marcozecchini 0:9fca2b23d0ba 257 */
marcozecchini 0:9fca2b23d0ba 258 void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_width, uint32_t handler, uint32_t event, uint8_t char_match, DMAUsage hint);
marcozecchini 0:9fca2b23d0ba 259
marcozecchini 0:9fca2b23d0ba 260 /** Attempts to determine if the serial peripheral is already in use for TX
marcozecchini 0:9fca2b23d0ba 261 *
marcozecchini 0:9fca2b23d0ba 262 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 263 * @return Non-zero if the RX transaction is ongoing, 0 otherwise
marcozecchini 0:9fca2b23d0ba 264 */
marcozecchini 0:9fca2b23d0ba 265 uint8_t serial_tx_active(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 266
marcozecchini 0:9fca2b23d0ba 267 /** Attempts to determine if the serial peripheral is already in use for RX
marcozecchini 0:9fca2b23d0ba 268 *
marcozecchini 0:9fca2b23d0ba 269 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 270 * @return Non-zero if the RX transaction is ongoing, 0 otherwise
marcozecchini 0:9fca2b23d0ba 271 */
marcozecchini 0:9fca2b23d0ba 272 uint8_t serial_rx_active(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 273
marcozecchini 0:9fca2b23d0ba 274 /** The asynchronous TX and RX handler.
marcozecchini 0:9fca2b23d0ba 275 *
marcozecchini 0:9fca2b23d0ba 276 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 277 * @return Returns event flags if an RX transfer termination condition was met; otherwise returns 0
marcozecchini 0:9fca2b23d0ba 278 */
marcozecchini 0:9fca2b23d0ba 279 int serial_irq_handler_asynch(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 280
marcozecchini 0:9fca2b23d0ba 281 /** Abort the ongoing TX transaction. It disables the enabled interupt for TX and
marcozecchini 0:9fca2b23d0ba 282 * flushes the TX hardware buffer if TX FIFO is used
marcozecchini 0:9fca2b23d0ba 283 *
marcozecchini 0:9fca2b23d0ba 284 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 285 */
marcozecchini 0:9fca2b23d0ba 286 void serial_tx_abort_asynch(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 287
marcozecchini 0:9fca2b23d0ba 288 /** Abort the ongoing RX transaction. It disables the enabled interrupt for RX and
marcozecchini 0:9fca2b23d0ba 289 * flushes the RX hardware buffer if RX FIFO is used
marcozecchini 0:9fca2b23d0ba 290 *
marcozecchini 0:9fca2b23d0ba 291 * @param obj The serial object
marcozecchini 0:9fca2b23d0ba 292 */
marcozecchini 0:9fca2b23d0ba 293 void serial_rx_abort_asynch(serial_t *obj);
marcozecchini 0:9fca2b23d0ba 294
marcozecchini 0:9fca2b23d0ba 295 /**@}*/
marcozecchini 0:9fca2b23d0ba 296
marcozecchini 0:9fca2b23d0ba 297 #endif
marcozecchini 0:9fca2b23d0ba 298
marcozecchini 0:9fca2b23d0ba 299 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 300 }
marcozecchini 0:9fca2b23d0ba 301 #endif
marcozecchini 0:9fca2b23d0ba 302
marcozecchini 0:9fca2b23d0ba 303 #endif
marcozecchini 0:9fca2b23d0ba 304
marcozecchini 0:9fca2b23d0ba 305 #endif
marcozecchini 0:9fca2b23d0ba 306
marcozecchini 0:9fca2b23d0ba 307 /** @}*/