tmk_core/tool/mbed/mbed-sdk/libraries/mbed/hal/serial_api.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #ifndef MBED_SERIAL_API_H
  17 #define MBED_SERIAL_API_H
  18
  19 #include "device.h"
  20
  21 #if DEVICE_SERIAL
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef enum {
  28     ParityNone = 0,
  29     ParityOdd = 1,
  30     ParityEven = 2,
  31     ParityForced1 = 3,
  32     ParityForced0 = 4
  33 } SerialParity;
  34
  35 typedef enum {
  36     RxIrq,
  37     TxIrq
  38 } SerialIrq;
  39
  40 typedef enum {
  41     FlowControlNone,
  42     FlowControlRTS,
  43     FlowControlCTS,
  44     FlowControlRTSCTS
  45 } FlowControl;
  46
  47 typedef void (*uart_irq_handler)(uint32_t id, SerialIrq event);
  48
  49 typedef struct serial_s serial_t;
  50
  51 void serial_init       (serial_t *obj, PinName tx, PinName rx);
  52 void serial_free       (serial_t *obj);
  53 void serial_baud       (serial_t *obj, int baudrate);
  54 void serial_format     (serial_t *obj, int data_bits, SerialParity parity, int stop_bits);
  55
  56 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id);
  57 void serial_irq_set    (serial_t *obj, SerialIrq irq, uint32_t enable);
  58
  59 int  serial_getc       (serial_t *obj);
  60 void serial_putc       (serial_t *obj, int c);
  61 int  serial_readable   (serial_t *obj);
  62 int  serial_writable   (serial_t *obj);
  63 void serial_clear      (serial_t *obj);
  64
  65 void serial_break_set  (serial_t *obj);
  66 void serial_break_clear(serial_t *obj);
  67
  68 void serial_pinout_tx(PinName tx);
  69
  70 void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow);
  71
  72 #ifdef __cplusplus
  73 }
  74 #endif
  75
  76 #endif
  77
  78 #endif