Diff: NetServices/drv/serial/lwip/sio.cpp

Revision:

2:609dd3a73f33

Parent:

1:f5ac63519541

--- a/NetServices/drv/serial/lwip/sio.cpp	Wed Mar 05 06:14:02 2014 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,202 +0,0 @@
-
-/*
-Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
- 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
- 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
- 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-
-/*
-
-This is a wrapper around Serial if for lwIP (acts as a serial driver)
-
-See sio.h for functions to be implemented
-
-sio_fd_t is a void* defined type, we use it as a SerialBuf ptr
-
-
-
-*/
-
-
-#include "netCfg.h"
-#if NET_PPP
-
-//#define MAX_SERIAL_PORTS 8
-
-#include "lwip/sio.h"
-#include "mbed.h"
-//#include "sioMgr.h"
-#include "drv/serial/buf/SerialBuf.h"
-
-//#define __DEBUG
-#include "dbg/dbg.h"
-
-//extern "C" {
-
-/**
- * Opens a serial device for communication.
- * 
- * @param devnum device number
- * @return handle to serial device if successful, NULL otherwise
- */
-sio_fd_t sio_open(u8_t devnum)
-{
-#if 0
-  SerialBuf* pIf = SioMgr::getIf(devnum);
-  if(pIf == NULL)
-    return NULL;
-    
-  //Got a SerialBuf* object
-  //WARN: It HAS to be initialised (instanciated + attached to a Serial obj)
-  
-  return (sio_fd_t) pIf;
-  #endif
-  return NULL;
-}
-
-/**
- * Sends a single character to the serial device.
- * 
- * @param c character to send
- * @param fd serial device handle
- * 
- * @note This function will block until the character can be sent.
- */
-void sio_send(u8_t c, sio_fd_t fd)
-{
-  SerialBuf* pIf = (SerialBuf*) fd;
-  //while(!pIf->writeable());
-  pIf->putc( (char) c );
-}
-
-/**
- * Receives a single character from the serial device.
- * 
- * @param fd serial device handle
- * 
- * @note This function will block until a character is received.
- */
-u8_t sio_recv(sio_fd_t fd)
-{
-  SerialBuf* pIf = (SerialBuf*) fd;
-  pIf->setReadMode(false);
-  while(!pIf->readable());
-  return (u8_t) pIf->getc();
-}
-
-/**
- * Reads from the serial device.
- * 
- * @param fd serial device handle
- * @param data pointer to data buffer for receiving
- * @param len maximum length (in bytes) of data to receive
- * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
- * 
- * @note This function will block until data can be received. The blocking
- * can be cancelled by calling sio_read_abort().
- */
-static volatile bool m_abort = false;
-u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
-{
-  u32_t recvd = 0; //bytes received
-  SerialBuf* pIf = (SerialBuf*) fd;
-  pIf->setReadMode(false);
-  while(!m_abort && len)
-  {
-    while(!pIf->readable());
-    *data = (u8_t) pIf->getc();
-    data++;
-    len--;
-    recvd++;
-  }
-  m_abort = false;
-  return recvd;
-}
-
-/**
- * Tries to read from the serial device. Same as sio_read but returns
- * immediately if no data is available and never blocks.
- * 
- * @param fd serial device handle
- * @param data pointer to data buffer for receiving
- * @param len maximum length (in bytes) of data to receive
- * @return number of bytes actually received
- */
-u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len)
-{
-  u32_t recvd = 0; //bytes received
-  SerialBuf* pIf = (SerialBuf*) fd;
-  pIf->setReadMode(false);
-  while(len)
-  {
-   /* if(!pIf->readable())
-    {
-      wait_ms(4);
-    }*/
-    if(!pIf->readable())
-    {
-      return recvd;
-    }
-    *data = (u8_t) pIf->getc();
-    data++;
-    len--;
-    recvd++;
-  }
-  return recvd;
-}
-
-/**
- * Writes to the serial device.
- * 
- * @param fd serial device handle
- * @param data pointer to data to send
- * @param len length (in bytes) of data to send
- * @return number of bytes actually sent
- * 
- * @note This function will block until all data can be sent.
- */
-u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
-{
-  u32_t sent = 0; //bytes sent
-  SerialBuf* pIf = (SerialBuf*) fd;
-  while(len)
-  {
-    while(!pIf->writeable());
-    pIf->putc(*data);
-    data++;
-    len--;
-    sent++;
-  }
-  return sent; //Well, this is bound to be len if no interrupt mechanism
-}
-
-/**
- * Aborts a blocking sio_read() call.
- * 
- * @param fd serial device handle
- */
-void sio_read_abort(sio_fd_t fd)
-{
-  m_abort = true;
-}
-
-//}
-
-#endif
-