Richard Blimmel / Mbed 2 deprecated CIG_HTTPClient

HTTPClient using static IP

Dependencies:   mbed

NetServices/drv/serial/lwip/sio.cpp@0:d8f2f7d5f31b, 2011-05-30 (annotated)

Committer:
mr_q
Date:
Mon May 30 11:53:37 2011 +0000
Revision:
0:d8f2f7d5f31b
v0.01 Draft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mr_q 0:d8f2f7d5f31b 1
mr_q 0:d8f2f7d5f31b 2 /*
mr_q 0:d8f2f7d5f31b 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mr_q 0:d8f2f7d5f31b 4
mr_q 0:d8f2f7d5f31b 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mr_q 0:d8f2f7d5f31b 6 of this software and associated documentation files (the "Software"), to deal
mr_q 0:d8f2f7d5f31b 7 in the Software without restriction, including without limitation the rights
mr_q 0:d8f2f7d5f31b 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mr_q 0:d8f2f7d5f31b 9 copies of the Software, and to permit persons to whom the Software is
mr_q 0:d8f2f7d5f31b 10 furnished to do so, subject to the following conditions:
mr_q 0:d8f2f7d5f31b 11
mr_q 0:d8f2f7d5f31b 12 The above copyright notice and this permission notice shall be included in
mr_q 0:d8f2f7d5f31b 13 all copies or substantial portions of the Software.
mr_q 0:d8f2f7d5f31b 14
mr_q 0:d8f2f7d5f31b 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mr_q 0:d8f2f7d5f31b 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mr_q 0:d8f2f7d5f31b 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mr_q 0:d8f2f7d5f31b 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mr_q 0:d8f2f7d5f31b 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mr_q 0:d8f2f7d5f31b 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mr_q 0:d8f2f7d5f31b 21 THE SOFTWARE.
mr_q 0:d8f2f7d5f31b 22 */
mr_q 0:d8f2f7d5f31b 23
mr_q 0:d8f2f7d5f31b 24 /*
mr_q 0:d8f2f7d5f31b 25
mr_q 0:d8f2f7d5f31b 26 This is a wrapper around Serial if for lwIP (acts as a serial driver)
mr_q 0:d8f2f7d5f31b 27
mr_q 0:d8f2f7d5f31b 28 See sio.h for functions to be implemented
mr_q 0:d8f2f7d5f31b 29
mr_q 0:d8f2f7d5f31b 30 sio_fd_t is a void* defined type, we use it as a SerialBuf ptr
mr_q 0:d8f2f7d5f31b 31
mr_q 0:d8f2f7d5f31b 32
mr_q 0:d8f2f7d5f31b 33
mr_q 0:d8f2f7d5f31b 34 */
mr_q 0:d8f2f7d5f31b 35
mr_q 0:d8f2f7d5f31b 36
mr_q 0:d8f2f7d5f31b 37 #include "netCfg.h"
mr_q 0:d8f2f7d5f31b 38 #if NET_PPP
mr_q 0:d8f2f7d5f31b 39
mr_q 0:d8f2f7d5f31b 40 //#define MAX_SERIAL_PORTS 8
mr_q 0:d8f2f7d5f31b 41
mr_q 0:d8f2f7d5f31b 42 #include "lwip/sio.h"
mr_q 0:d8f2f7d5f31b 43 #include "mbed.h"
mr_q 0:d8f2f7d5f31b 44 //#include "sioMgr.h"
mr_q 0:d8f2f7d5f31b 45 #include "drv/serial/buf/SerialBuf.h"
mr_q 0:d8f2f7d5f31b 46
mr_q 0:d8f2f7d5f31b 47 //#define __DEBUG
mr_q 0:d8f2f7d5f31b 48 #include "dbg/dbg.h"
mr_q 0:d8f2f7d5f31b 49
mr_q 0:d8f2f7d5f31b 50 //extern "C" {
mr_q 0:d8f2f7d5f31b 51
mr_q 0:d8f2f7d5f31b 52 /**
mr_q 0:d8f2f7d5f31b 53 * Opens a serial device for communication.
mr_q 0:d8f2f7d5f31b 54 *
mr_q 0:d8f2f7d5f31b 55 * @param devnum device number
mr_q 0:d8f2f7d5f31b 56 * @return handle to serial device if successful, NULL otherwise
mr_q 0:d8f2f7d5f31b 57 */
mr_q 0:d8f2f7d5f31b 58 sio_fd_t sio_open(u8_t devnum)
mr_q 0:d8f2f7d5f31b 59 {
mr_q 0:d8f2f7d5f31b 60 #if 0
mr_q 0:d8f2f7d5f31b 61 SerialBuf* pIf = SioMgr::getIf(devnum);
mr_q 0:d8f2f7d5f31b 62 if(pIf == NULL)
mr_q 0:d8f2f7d5f31b 63 return NULL;
mr_q 0:d8f2f7d5f31b 64
mr_q 0:d8f2f7d5f31b 65 //Got a SerialBuf* object
mr_q 0:d8f2f7d5f31b 66 //WARN: It HAS to be initialised (instanciated + attached to a Serial obj)
mr_q 0:d8f2f7d5f31b 67
mr_q 0:d8f2f7d5f31b 68 return (sio_fd_t) pIf;
mr_q 0:d8f2f7d5f31b 69 #endif
mr_q 0:d8f2f7d5f31b 70 return NULL;
mr_q 0:d8f2f7d5f31b 71 }
mr_q 0:d8f2f7d5f31b 72
mr_q 0:d8f2f7d5f31b 73 /**
mr_q 0:d8f2f7d5f31b 74 * Sends a single character to the serial device.
mr_q 0:d8f2f7d5f31b 75 *
mr_q 0:d8f2f7d5f31b 76 * @param c character to send
mr_q 0:d8f2f7d5f31b 77 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 78 *
mr_q 0:d8f2f7d5f31b 79 * @note This function will block until the character can be sent.
mr_q 0:d8f2f7d5f31b 80 */
mr_q 0:d8f2f7d5f31b 81 void sio_send(u8_t c, sio_fd_t fd)
mr_q 0:d8f2f7d5f31b 82 {
mr_q 0:d8f2f7d5f31b 83 SerialBuf* pIf = (SerialBuf*) fd;
mr_q 0:d8f2f7d5f31b 84 //while(!pIf->writeable());
mr_q 0:d8f2f7d5f31b 85 pIf->putc( (char) c );
mr_q 0:d8f2f7d5f31b 86 }
mr_q 0:d8f2f7d5f31b 87
mr_q 0:d8f2f7d5f31b 88 /**
mr_q 0:d8f2f7d5f31b 89 * Receives a single character from the serial device.
mr_q 0:d8f2f7d5f31b 90 *
mr_q 0:d8f2f7d5f31b 91 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 92 *
mr_q 0:d8f2f7d5f31b 93 * @note This function will block until a character is received.
mr_q 0:d8f2f7d5f31b 94 */
mr_q 0:d8f2f7d5f31b 95 u8_t sio_recv(sio_fd_t fd)
mr_q 0:d8f2f7d5f31b 96 {
mr_q 0:d8f2f7d5f31b 97 SerialBuf* pIf = (SerialBuf*) fd;
mr_q 0:d8f2f7d5f31b 98 pIf->setReadMode(false);
mr_q 0:d8f2f7d5f31b 99 while(!pIf->readable());
mr_q 0:d8f2f7d5f31b 100 return (u8_t) pIf->getc();
mr_q 0:d8f2f7d5f31b 101 }
mr_q 0:d8f2f7d5f31b 102
mr_q 0:d8f2f7d5f31b 103 /**
mr_q 0:d8f2f7d5f31b 104 * Reads from the serial device.
mr_q 0:d8f2f7d5f31b 105 *
mr_q 0:d8f2f7d5f31b 106 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 107 * @param data pointer to data buffer for receiving
mr_q 0:d8f2f7d5f31b 108 * @param len maximum length (in bytes) of data to receive
mr_q 0:d8f2f7d5f31b 109 * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
mr_q 0:d8f2f7d5f31b 110 *
mr_q 0:d8f2f7d5f31b 111 * @note This function will block until data can be received. The blocking
mr_q 0:d8f2f7d5f31b 112 * can be cancelled by calling sio_read_abort().
mr_q 0:d8f2f7d5f31b 113 */
mr_q 0:d8f2f7d5f31b 114 static volatile bool m_abort = false;
mr_q 0:d8f2f7d5f31b 115 u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
mr_q 0:d8f2f7d5f31b 116 {
mr_q 0:d8f2f7d5f31b 117 u32_t recvd = 0; //bytes received
mr_q 0:d8f2f7d5f31b 118 SerialBuf* pIf = (SerialBuf*) fd;
mr_q 0:d8f2f7d5f31b 119 pIf->setReadMode(false);
mr_q 0:d8f2f7d5f31b 120 while(!m_abort && len)
mr_q 0:d8f2f7d5f31b 121 {
mr_q 0:d8f2f7d5f31b 122 while(!pIf->readable());
mr_q 0:d8f2f7d5f31b 123 *data = (u8_t) pIf->getc();
mr_q 0:d8f2f7d5f31b 124 data++;
mr_q 0:d8f2f7d5f31b 125 len--;
mr_q 0:d8f2f7d5f31b 126 recvd++;
mr_q 0:d8f2f7d5f31b 127 }
mr_q 0:d8f2f7d5f31b 128 m_abort = false;
mr_q 0:d8f2f7d5f31b 129 return recvd;
mr_q 0:d8f2f7d5f31b 130 }
mr_q 0:d8f2f7d5f31b 131
mr_q 0:d8f2f7d5f31b 132 /**
mr_q 0:d8f2f7d5f31b 133 * Tries to read from the serial device. Same as sio_read but returns
mr_q 0:d8f2f7d5f31b 134 * immediately if no data is available and never blocks.
mr_q 0:d8f2f7d5f31b 135 *
mr_q 0:d8f2f7d5f31b 136 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 137 * @param data pointer to data buffer for receiving
mr_q 0:d8f2f7d5f31b 138 * @param len maximum length (in bytes) of data to receive
mr_q 0:d8f2f7d5f31b 139 * @return number of bytes actually received
mr_q 0:d8f2f7d5f31b 140 */
mr_q 0:d8f2f7d5f31b 141 u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len)
mr_q 0:d8f2f7d5f31b 142 {
mr_q 0:d8f2f7d5f31b 143 u32_t recvd = 0; //bytes received
mr_q 0:d8f2f7d5f31b 144 SerialBuf* pIf = (SerialBuf*) fd;
mr_q 0:d8f2f7d5f31b 145 pIf->setReadMode(false);
mr_q 0:d8f2f7d5f31b 146 while(len)
mr_q 0:d8f2f7d5f31b 147 {
mr_q 0:d8f2f7d5f31b 148 /* if(!pIf->readable())
mr_q 0:d8f2f7d5f31b 149 {
mr_q 0:d8f2f7d5f31b 150 wait_ms(4);
mr_q 0:d8f2f7d5f31b 151 }*/
mr_q 0:d8f2f7d5f31b 152 if(!pIf->readable())
mr_q 0:d8f2f7d5f31b 153 {
mr_q 0:d8f2f7d5f31b 154 return recvd;
mr_q 0:d8f2f7d5f31b 155 }
mr_q 0:d8f2f7d5f31b 156 *data = (u8_t) pIf->getc();
mr_q 0:d8f2f7d5f31b 157 data++;
mr_q 0:d8f2f7d5f31b 158 len--;
mr_q 0:d8f2f7d5f31b 159 recvd++;
mr_q 0:d8f2f7d5f31b 160 }
mr_q 0:d8f2f7d5f31b 161 return recvd;
mr_q 0:d8f2f7d5f31b 162 }
mr_q 0:d8f2f7d5f31b 163
mr_q 0:d8f2f7d5f31b 164 /**
mr_q 0:d8f2f7d5f31b 165 * Writes to the serial device.
mr_q 0:d8f2f7d5f31b 166 *
mr_q 0:d8f2f7d5f31b 167 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 168 * @param data pointer to data to send
mr_q 0:d8f2f7d5f31b 169 * @param len length (in bytes) of data to send
mr_q 0:d8f2f7d5f31b 170 * @return number of bytes actually sent
mr_q 0:d8f2f7d5f31b 171 *
mr_q 0:d8f2f7d5f31b 172 * @note This function will block until all data can be sent.
mr_q 0:d8f2f7d5f31b 173 */
mr_q 0:d8f2f7d5f31b 174 u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
mr_q 0:d8f2f7d5f31b 175 {
mr_q 0:d8f2f7d5f31b 176 u32_t sent = 0; //bytes sent
mr_q 0:d8f2f7d5f31b 177 SerialBuf* pIf = (SerialBuf*) fd;
mr_q 0:d8f2f7d5f31b 178 while(len)
mr_q 0:d8f2f7d5f31b 179 {
mr_q 0:d8f2f7d5f31b 180 while(!pIf->writeable());
mr_q 0:d8f2f7d5f31b 181 pIf->putc(*data);
mr_q 0:d8f2f7d5f31b 182 data++;
mr_q 0:d8f2f7d5f31b 183 len--;
mr_q 0:d8f2f7d5f31b 184 sent++;
mr_q 0:d8f2f7d5f31b 185 }
mr_q 0:d8f2f7d5f31b 186 return sent; //Well, this is bound to be len if no interrupt mechanism
mr_q 0:d8f2f7d5f31b 187 }
mr_q 0:d8f2f7d5f31b 188
mr_q 0:d8f2f7d5f31b 189 /**
mr_q 0:d8f2f7d5f31b 190 * Aborts a blocking sio_read() call.
mr_q 0:d8f2f7d5f31b 191 *
mr_q 0:d8f2f7d5f31b 192 * @param fd serial device handle
mr_q 0:d8f2f7d5f31b 193 */
mr_q 0:d8f2f7d5f31b 194 void sio_read_abort(sio_fd_t fd)
mr_q 0:d8f2f7d5f31b 195 {
mr_q 0:d8f2f7d5f31b 196 m_abort = true;
mr_q 0:d8f2f7d5f31b 197 }
mr_q 0:d8f2f7d5f31b 198
mr_q 0:d8f2f7d5f31b 199 //}
mr_q 0:d8f2f7d5f31b 200
mr_q 0:d8f2f7d5f31b 201 #endif
mr_q 0:d8f2f7d5f31b 202