不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/hal/serial_api.h@2:cf42e62a97dc, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 03:29:34 2016 +0000
Revision:
2:cf42e62a97dc
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:cf42e62a97dc 1 /* mbed Microcontroller Library
MikamiUitOpen 2:cf42e62a97dc 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 2:cf42e62a97dc 3 *
MikamiUitOpen 2:cf42e62a97dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:cf42e62a97dc 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:cf42e62a97dc 6 * You may obtain a copy of the License at
MikamiUitOpen 2:cf42e62a97dc 7 *
MikamiUitOpen 2:cf42e62a97dc 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:cf42e62a97dc 9 *
MikamiUitOpen 2:cf42e62a97dc 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:cf42e62a97dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:cf42e62a97dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:cf42e62a97dc 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:cf42e62a97dc 14 * limitations under the License.
MikamiUitOpen 2:cf42e62a97dc 15 */
MikamiUitOpen 2:cf42e62a97dc 16 #ifndef MBED_SERIAL_API_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_SERIAL_API_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "device.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include "buffer.h"
MikamiUitOpen 2:cf42e62a97dc 21 #include "dma_api.h"
MikamiUitOpen 2:cf42e62a97dc 22
MikamiUitOpen 2:cf42e62a97dc 23 #if DEVICE_SERIAL
MikamiUitOpen 2:cf42e62a97dc 24
MikamiUitOpen 2:cf42e62a97dc 25 #define SERIAL_EVENT_TX_SHIFT (2)
MikamiUitOpen 2:cf42e62a97dc 26 #define SERIAL_EVENT_RX_SHIFT (8)
MikamiUitOpen 2:cf42e62a97dc 27
MikamiUitOpen 2:cf42e62a97dc 28 #define SERIAL_EVENT_TX_MASK (0x00FC)
MikamiUitOpen 2:cf42e62a97dc 29 #define SERIAL_EVENT_RX_MASK (0x3F00)
MikamiUitOpen 2:cf42e62a97dc 30
MikamiUitOpen 2:cf42e62a97dc 31 #define SERIAL_EVENT_ERROR (1 << 1)
MikamiUitOpen 2:cf42e62a97dc 32
MikamiUitOpen 2:cf42e62a97dc 33 /**
MikamiUitOpen 2:cf42e62a97dc 34 * @defgroup SerialTXEvents Serial TX Events Macros
MikamiUitOpen 2:cf42e62a97dc 35 *
MikamiUitOpen 2:cf42e62a97dc 36 * @{
MikamiUitOpen 2:cf42e62a97dc 37 */
MikamiUitOpen 2:cf42e62a97dc 38 #define SERIAL_EVENT_TX_COMPLETE (1 << (SERIAL_EVENT_TX_SHIFT + 0))
MikamiUitOpen 2:cf42e62a97dc 39 #define SERIAL_EVENT_TX_ALL (SERIAL_EVENT_TX_COMPLETE)
MikamiUitOpen 2:cf42e62a97dc 40 /**@}*/
MikamiUitOpen 2:cf42e62a97dc 41
MikamiUitOpen 2:cf42e62a97dc 42 /**
MikamiUitOpen 2:cf42e62a97dc 43 * @defgroup SerialRXEvents Serial RX Events Macros
MikamiUitOpen 2:cf42e62a97dc 44 *
MikamiUitOpen 2:cf42e62a97dc 45 * @{
MikamiUitOpen 2:cf42e62a97dc 46 */
MikamiUitOpen 2:cf42e62a97dc 47 #define SERIAL_EVENT_RX_COMPLETE (1 << (SERIAL_EVENT_RX_SHIFT + 0))
MikamiUitOpen 2:cf42e62a97dc 48 #define SERIAL_EVENT_RX_OVERRUN_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 1))
MikamiUitOpen 2:cf42e62a97dc 49 #define SERIAL_EVENT_RX_FRAMING_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 2))
MikamiUitOpen 2:cf42e62a97dc 50 #define SERIAL_EVENT_RX_PARITY_ERROR (1 << (SERIAL_EVENT_RX_SHIFT + 3))
MikamiUitOpen 2:cf42e62a97dc 51 #define SERIAL_EVENT_RX_OVERFLOW (1 << (SERIAL_EVENT_RX_SHIFT + 4))
MikamiUitOpen 2:cf42e62a97dc 52 #define SERIAL_EVENT_RX_CHARACTER_MATCH (1 << (SERIAL_EVENT_RX_SHIFT + 5))
MikamiUitOpen 2:cf42e62a97dc 53 #define SERIAL_EVENT_RX_ALL (SERIAL_EVENT_RX_OVERFLOW | SERIAL_EVENT_RX_PARITY_ERROR | \
MikamiUitOpen 2:cf42e62a97dc 54 SERIAL_EVENT_RX_FRAMING_ERROR | SERIAL_EVENT_RX_OVERRUN_ERROR | \
MikamiUitOpen 2:cf42e62a97dc 55 SERIAL_EVENT_RX_COMPLETE | SERIAL_EVENT_RX_CHARACTER_MATCH)
MikamiUitOpen 2:cf42e62a97dc 56 /**@}*/
MikamiUitOpen 2:cf42e62a97dc 57
MikamiUitOpen 2:cf42e62a97dc 58 #define SERIAL_RESERVED_CHAR_MATCH (255)
MikamiUitOpen 2:cf42e62a97dc 59
MikamiUitOpen 2:cf42e62a97dc 60 typedef enum {
MikamiUitOpen 2:cf42e62a97dc 61 ParityNone = 0,
MikamiUitOpen 2:cf42e62a97dc 62 ParityOdd = 1,
MikamiUitOpen 2:cf42e62a97dc 63 ParityEven = 2,
MikamiUitOpen 2:cf42e62a97dc 64 ParityForced1 = 3,
MikamiUitOpen 2:cf42e62a97dc 65 ParityForced0 = 4
MikamiUitOpen 2:cf42e62a97dc 66 } SerialParity;
MikamiUitOpen 2:cf42e62a97dc 67
MikamiUitOpen 2:cf42e62a97dc 68 typedef enum {
MikamiUitOpen 2:cf42e62a97dc 69 RxIrq,
MikamiUitOpen 2:cf42e62a97dc 70 TxIrq
MikamiUitOpen 2:cf42e62a97dc 71 } SerialIrq;
MikamiUitOpen 2:cf42e62a97dc 72
MikamiUitOpen 2:cf42e62a97dc 73 typedef enum {
MikamiUitOpen 2:cf42e62a97dc 74 FlowControlNone,
MikamiUitOpen 2:cf42e62a97dc 75 FlowControlRTS,
MikamiUitOpen 2:cf42e62a97dc 76 FlowControlCTS,
MikamiUitOpen 2:cf42e62a97dc 77 FlowControlRTSCTS
MikamiUitOpen 2:cf42e62a97dc 78 } FlowControl;
MikamiUitOpen 2:cf42e62a97dc 79
MikamiUitOpen 2:cf42e62a97dc 80 typedef void (*uart_irq_handler)(uint32_t id, SerialIrq event);
MikamiUitOpen 2:cf42e62a97dc 81
MikamiUitOpen 2:cf42e62a97dc 82 #if DEVICE_SERIAL_ASYNCH
MikamiUitOpen 2:cf42e62a97dc 83 /** Asynch serial hal structure
MikamiUitOpen 2:cf42e62a97dc 84 */
MikamiUitOpen 2:cf42e62a97dc 85 typedef struct {
MikamiUitOpen 2:cf42e62a97dc 86 struct serial_s serial; /**< Target specific serial structure */
MikamiUitOpen 2:cf42e62a97dc 87 struct buffer_s tx_buff; /**< Tx buffer */
MikamiUitOpen 2:cf42e62a97dc 88 struct buffer_s rx_buff; /**< Rx buffer */
MikamiUitOpen 2:cf42e62a97dc 89 uint8_t char_match; /**< Character to be matched */
MikamiUitOpen 2:cf42e62a97dc 90 uint8_t char_found; /**< State of the matched character */
MikamiUitOpen 2:cf42e62a97dc 91 } serial_t;
MikamiUitOpen 2:cf42e62a97dc 92
MikamiUitOpen 2:cf42e62a97dc 93 #else
MikamiUitOpen 2:cf42e62a97dc 94 /** Non-asynch serial hal structure
MikamiUitOpen 2:cf42e62a97dc 95 */
MikamiUitOpen 2:cf42e62a97dc 96 typedef struct serial_s serial_t;
MikamiUitOpen 2:cf42e62a97dc 97
MikamiUitOpen 2:cf42e62a97dc 98 #endif
MikamiUitOpen 2:cf42e62a97dc 99
MikamiUitOpen 2:cf42e62a97dc 100 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 101 extern "C" {
MikamiUitOpen 2:cf42e62a97dc 102 #endif
MikamiUitOpen 2:cf42e62a97dc 103
MikamiUitOpen 2:cf42e62a97dc 104 /**
MikamiUitOpen 2:cf42e62a97dc 105 * \defgroup GeneralSerial Serial Configuration Functions
MikamiUitOpen 2:cf42e62a97dc 106 * @{
MikamiUitOpen 2:cf42e62a97dc 107 */
MikamiUitOpen 2:cf42e62a97dc 108
MikamiUitOpen 2:cf42e62a97dc 109 /** Initialize the serial peripheral. It sets the default parameters for serial
MikamiUitOpen 2:cf42e62a97dc 110 * peripheral, and configure its specifieds pins.
MikamiUitOpen 2:cf42e62a97dc 111 *
MikamiUitOpen 2:cf42e62a97dc 112 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 113 * @param tx The TX pin
MikamiUitOpen 2:cf42e62a97dc 114 * @param rx The RX pin
MikamiUitOpen 2:cf42e62a97dc 115 */
MikamiUitOpen 2:cf42e62a97dc 116 void serial_init(serial_t *obj, PinName tx, PinName rx);
MikamiUitOpen 2:cf42e62a97dc 117
MikamiUitOpen 2:cf42e62a97dc 118 /** Release the serial peripheral, not currently invoked. It requires further
MikamiUitOpen 2:cf42e62a97dc 119 * resource management.
MikamiUitOpen 2:cf42e62a97dc 120 *
MikamiUitOpen 2:cf42e62a97dc 121 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 122 */
MikamiUitOpen 2:cf42e62a97dc 123 void serial_free(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 124
MikamiUitOpen 2:cf42e62a97dc 125 /** Configure the baud rate
MikamiUitOpen 2:cf42e62a97dc 126 *
MikamiUitOpen 2:cf42e62a97dc 127 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 128 * @param baudrate The baud rate to be configured
MikamiUitOpen 2:cf42e62a97dc 129 */
MikamiUitOpen 2:cf42e62a97dc 130 void serial_baud(serial_t *obj, int baudrate);
MikamiUitOpen 2:cf42e62a97dc 131
MikamiUitOpen 2:cf42e62a97dc 132 /** Configure the format. Set the number of bits, parity and the number of stop bits
MikamiUitOpen 2:cf42e62a97dc 133 *
MikamiUitOpen 2:cf42e62a97dc 134 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 135 * @param data_bits The number of data bits
MikamiUitOpen 2:cf42e62a97dc 136 * @param parity The parity
MikamiUitOpen 2:cf42e62a97dc 137 * @param stop_bits The number of stop bits
MikamiUitOpen 2:cf42e62a97dc 138 */
MikamiUitOpen 2:cf42e62a97dc 139 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits);
MikamiUitOpen 2:cf42e62a97dc 140
MikamiUitOpen 2:cf42e62a97dc 141 /** The serial interrupt handler registration.
MikamiUitOpen 2:cf42e62a97dc 142 *
MikamiUitOpen 2:cf42e62a97dc 143 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 144 * @param handler The interrupt handler which will be invoked when interrupt fires.
MikamiUitOpen 2:cf42e62a97dc 145 * @param id The SerialBase object
MikamiUitOpen 2:cf42e62a97dc 146 */
MikamiUitOpen 2:cf42e62a97dc 147 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id);
MikamiUitOpen 2:cf42e62a97dc 148
MikamiUitOpen 2:cf42e62a97dc 149 /** Configure serial interrupt. This function is used for word-approach
MikamiUitOpen 2:cf42e62a97dc 150 *
MikamiUitOpen 2:cf42e62a97dc 151 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 152 * @param irq The serial IRQ type (RX or TX)
MikamiUitOpen 2:cf42e62a97dc 153 * @param enable Set to non-zero to enable events, or zero to disable them
MikamiUitOpen 2:cf42e62a97dc 154 */
MikamiUitOpen 2:cf42e62a97dc 155 void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable);
MikamiUitOpen 2:cf42e62a97dc 156
MikamiUitOpen 2:cf42e62a97dc 157 /** Get character. This is a blocking call, waiting for a character
MikamiUitOpen 2:cf42e62a97dc 158 *
MikamiUitOpen 2:cf42e62a97dc 159 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 160 */
MikamiUitOpen 2:cf42e62a97dc 161 int serial_getc(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 162
MikamiUitOpen 2:cf42e62a97dc 163 /** Put a character. This is a blocking call, waiting for a peripheral to be available
MikamiUitOpen 2:cf42e62a97dc 164 * for writing
MikamiUitOpen 2:cf42e62a97dc 165 *
MikamiUitOpen 2:cf42e62a97dc 166 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 167 * @param c The character to be sent
MikamiUitOpen 2:cf42e62a97dc 168 */
MikamiUitOpen 2:cf42e62a97dc 169 void serial_putc(serial_t *obj, int c);
MikamiUitOpen 2:cf42e62a97dc 170
MikamiUitOpen 2:cf42e62a97dc 171 /** Check if the serial peripheral is readable
MikamiUitOpen 2:cf42e62a97dc 172 *
MikamiUitOpen 2:cf42e62a97dc 173 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 174 * @return Non-zero value if a character can be read, 0 if nothing to read.
MikamiUitOpen 2:cf42e62a97dc 175 */
MikamiUitOpen 2:cf42e62a97dc 176 int serial_readable(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 177
MikamiUitOpen 2:cf42e62a97dc 178 /** Check if the serial peripheral is writable
MikamiUitOpen 2:cf42e62a97dc 179 *
MikamiUitOpen 2:cf42e62a97dc 180 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 181 * @return Non-zero value if a character can be written, 0 otherwise.
MikamiUitOpen 2:cf42e62a97dc 182 */
MikamiUitOpen 2:cf42e62a97dc 183 int serial_writable(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 184
MikamiUitOpen 2:cf42e62a97dc 185 /** Clear the serial peripheral
MikamiUitOpen 2:cf42e62a97dc 186 *
MikamiUitOpen 2:cf42e62a97dc 187 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 188 */
MikamiUitOpen 2:cf42e62a97dc 189 void serial_clear(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 190
MikamiUitOpen 2:cf42e62a97dc 191 /** Set the break
MikamiUitOpen 2:cf42e62a97dc 192 *
MikamiUitOpen 2:cf42e62a97dc 193 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 194 */
MikamiUitOpen 2:cf42e62a97dc 195 void serial_break_set(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 196
MikamiUitOpen 2:cf42e62a97dc 197 /** Clear the break
MikamiUitOpen 2:cf42e62a97dc 198 *
MikamiUitOpen 2:cf42e62a97dc 199 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 200 */
MikamiUitOpen 2:cf42e62a97dc 201 void serial_break_clear(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 202
MikamiUitOpen 2:cf42e62a97dc 203 /** Configure the TX pin for UART function.
MikamiUitOpen 2:cf42e62a97dc 204 *
MikamiUitOpen 2:cf42e62a97dc 205 * @param tx The pin used for TX
MikamiUitOpen 2:cf42e62a97dc 206 */
MikamiUitOpen 2:cf42e62a97dc 207 void serial_pinout_tx(PinName tx);
MikamiUitOpen 2:cf42e62a97dc 208
MikamiUitOpen 2:cf42e62a97dc 209 /** Configure the serial for the flow control. It sets flow control in the hardware
MikamiUitOpen 2:cf42e62a97dc 210 * if a serial peripheral supports it, otherwise software emulation is used.
MikamiUitOpen 2:cf42e62a97dc 211 *
MikamiUitOpen 2:cf42e62a97dc 212 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 213 * @param type The type of the flow control. Look at the available FlowControl types.
MikamiUitOpen 2:cf42e62a97dc 214 * @param rxflow The tx pin
MikamiUitOpen 2:cf42e62a97dc 215 * @param txflow The rx pin
MikamiUitOpen 2:cf42e62a97dc 216 */
MikamiUitOpen 2:cf42e62a97dc 217 void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow);
MikamiUitOpen 2:cf42e62a97dc 218
MikamiUitOpen 2:cf42e62a97dc 219 #if DEVICE_SERIAL_ASYNCH
MikamiUitOpen 2:cf42e62a97dc 220
MikamiUitOpen 2:cf42e62a97dc 221 /**@}*/
MikamiUitOpen 2:cf42e62a97dc 222
MikamiUitOpen 2:cf42e62a97dc 223 /**
MikamiUitOpen 2:cf42e62a97dc 224 * \defgroup AsynchSerial Asynchronous Serial Hardware Abstraction Layer
MikamiUitOpen 2:cf42e62a97dc 225 * @{
MikamiUitOpen 2:cf42e62a97dc 226 */
MikamiUitOpen 2:cf42e62a97dc 227
MikamiUitOpen 2:cf42e62a97dc 228 /** Begin asynchronous TX transfer. The used buffer is specified in the serial object,
MikamiUitOpen 2:cf42e62a97dc 229 * tx_buff
MikamiUitOpen 2:cf42e62a97dc 230 *
MikamiUitOpen 2:cf42e62a97dc 231 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 232 * @param tx The buffer for sending
MikamiUitOpen 2:cf42e62a97dc 233 * @param tx_length The number of words to transmit
MikamiUitOpen 2:cf42e62a97dc 234 * @param tx_width The bit width of buffer word
MikamiUitOpen 2:cf42e62a97dc 235 * @param handler The serial handler
MikamiUitOpen 2:cf42e62a97dc 236 * @param event The logical OR of events to be registered
MikamiUitOpen 2:cf42e62a97dc 237 * @param hint A suggestion for how to use DMA with this transfer
MikamiUitOpen 2:cf42e62a97dc 238 * @return Returns number of data transfered, or 0 otherwise
MikamiUitOpen 2:cf42e62a97dc 239 */
MikamiUitOpen 2:cf42e62a97dc 240 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);
MikamiUitOpen 2:cf42e62a97dc 241
MikamiUitOpen 2:cf42e62a97dc 242 /** Begin asynchronous RX transfer (enable interrupt for data collecting)
MikamiUitOpen 2:cf42e62a97dc 243 * The used buffer is specified in the serial object - rx_buff
MikamiUitOpen 2:cf42e62a97dc 244 *
MikamiUitOpen 2:cf42e62a97dc 245 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 246 * @param rx The buffer for sending
MikamiUitOpen 2:cf42e62a97dc 247 * @param rx_length The number of words to transmit
MikamiUitOpen 2:cf42e62a97dc 248 * @param rx_width The bit width of buffer word
MikamiUitOpen 2:cf42e62a97dc 249 * @param handler The serial handler
MikamiUitOpen 2:cf42e62a97dc 250 * @param event The logical OR of events to be registered
MikamiUitOpen 2:cf42e62a97dc 251 * @param handler The serial handler
MikamiUitOpen 2:cf42e62a97dc 252 * @param char_match A character in range 0-254 to be matched
MikamiUitOpen 2:cf42e62a97dc 253 * @param hint A suggestion for how to use DMA with this transfer
MikamiUitOpen 2:cf42e62a97dc 254 */
MikamiUitOpen 2:cf42e62a97dc 255 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);
MikamiUitOpen 2:cf42e62a97dc 256
MikamiUitOpen 2:cf42e62a97dc 257 /** Attempts to determine if the serial peripheral is already in use for TX
MikamiUitOpen 2:cf42e62a97dc 258 *
MikamiUitOpen 2:cf42e62a97dc 259 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 260 * @return Non-zero if the RX transaction is ongoing, 0 otherwise
MikamiUitOpen 2:cf42e62a97dc 261 */
MikamiUitOpen 2:cf42e62a97dc 262 uint8_t serial_tx_active(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 263
MikamiUitOpen 2:cf42e62a97dc 264 /** Attempts to determine if the serial peripheral is already in use for RX
MikamiUitOpen 2:cf42e62a97dc 265 *
MikamiUitOpen 2:cf42e62a97dc 266 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 267 * @return Non-zero if the RX transaction is ongoing, 0 otherwise
MikamiUitOpen 2:cf42e62a97dc 268 */
MikamiUitOpen 2:cf42e62a97dc 269 uint8_t serial_rx_active(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 270
MikamiUitOpen 2:cf42e62a97dc 271 /** The asynchronous TX and RX handler.
MikamiUitOpen 2:cf42e62a97dc 272 *
MikamiUitOpen 2:cf42e62a97dc 273 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 274 * @return Returns event flags if a RX transfer termination condition was met or 0 otherwise
MikamiUitOpen 2:cf42e62a97dc 275 */
MikamiUitOpen 2:cf42e62a97dc 276 int serial_irq_handler_asynch(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 277
MikamiUitOpen 2:cf42e62a97dc 278 /** Abort the ongoing TX transaction. It disables the enabled interupt for TX and
MikamiUitOpen 2:cf42e62a97dc 279 * flush TX hardware buffer if TX FIFO is used
MikamiUitOpen 2:cf42e62a97dc 280 *
MikamiUitOpen 2:cf42e62a97dc 281 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 282 */
MikamiUitOpen 2:cf42e62a97dc 283 void serial_tx_abort_asynch(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 284
MikamiUitOpen 2:cf42e62a97dc 285 /** Abort the ongoing RX transaction It disables the enabled interrupt for RX and
MikamiUitOpen 2:cf42e62a97dc 286 * flush RX hardware buffer if RX FIFO is used
MikamiUitOpen 2:cf42e62a97dc 287 *
MikamiUitOpen 2:cf42e62a97dc 288 * @param obj The serial object
MikamiUitOpen 2:cf42e62a97dc 289 */
MikamiUitOpen 2:cf42e62a97dc 290 void serial_rx_abort_asynch(serial_t *obj);
MikamiUitOpen 2:cf42e62a97dc 291
MikamiUitOpen 2:cf42e62a97dc 292 /**@}*/
MikamiUitOpen 2:cf42e62a97dc 293
MikamiUitOpen 2:cf42e62a97dc 294 #endif
MikamiUitOpen 2:cf42e62a97dc 295
MikamiUitOpen 2:cf42e62a97dc 296 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 297 }
MikamiUitOpen 2:cf42e62a97dc 298 #endif
MikamiUitOpen 2:cf42e62a97dc 299
MikamiUitOpen 2:cf42e62a97dc 300 #endif
MikamiUitOpen 2:cf42e62a97dc 301
MikamiUitOpen 2:cf42e62a97dc 302 #endif