Added mutex for multiple SPI devices on the same SPI bus
Fork of cc3000_hostdriver_mbedsocket by
Socket/Socket.cpp
- Committer:
- Kojto
- Date:
- 2013-09-21
- Revision:
- 4:15b58c119a0a
- Parent:
- 0:615c697c33b0
- Child:
- 5:245ac5b73132
File content as of revision 4:15b58c119a0a:
/* Copyright (C) 2012 mbed.org, MIT License * * 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. */ #include "Socket.h" #include <cstring> Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) { _cc3000_module = cc3000::get_instance(); if (_cc3000_module == NULL) { error("Socket constructor error: no cc3000 instance available!\r\n"); } } int Socket::init_socket(int type, int protocol) { if (_sock_fd != -1) { #if (CC3000_DEBUG == 1) printf("DEBUG: Socket was initialized previously.\n"); #endif return -1; } int fd = _cc3000_module->_socket.socket(AF_INET, type, protocol); if (fd < -1) { #if (CC3000_DEBUG == 1) printf("DEBUG: Failed to create new socket (type:%d, protocol:%d).\n",type, protocol); #endif return -1; } #if (CC3000_DEBUG == 1) printf("DEBUG: Socket created (fd: %d type: %d, protocol: %d).\n",fd, type, protocol); #endif _sock_fd = fd; return 0; } void Socket::set_blocking(bool blocking, unsigned int timeout) { _blocking = blocking; _timeout = timeout; } int Socket::set_option(int level, int optname, const void *optval, socklen_t optlen) { return _cc3000_module->_socket.set_sockopt(_sock_fd, level, optname, optval, optlen); } int Socket::get_option(int level, int optname, void *optval, socklen_t *optlen) { return _cc3000_module->_socket.get_sockopt(_sock_fd, level, optname, optval, optlen); } int Socket::select(struct timeval *timeout, bool read, bool write) { if (_sock_fd < 0) { return -1; } fd_set fdSet; FD_ZERO(&fdSet); FD_SET(_sock_fd, &fdSet); fd_set* readset = (read ) ? (&fdSet) : (NULL); fd_set* writeset = (write) ? (&fdSet) : (NULL); int ret = _cc3000_module->_socket.select(_sock_fd+1, readset, writeset, NULL, timeout); #if (CC3000_DEBUG == 1) printf("DEBUG: Select on sock_fd: %d, returns %d. fdSet: %d\n",_sock_fd, ret, fdSet); #endif //return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0); if (FD_ISSET(_sock_fd, &fdSet)) { return 0; } else { return -1; } } int Socket::wait_readable(TimeInterval& timeout) { return select(&timeout._time, true, false); } int Socket::wait_writable(TimeInterval& timeout) { return select(&timeout._time, false, true); } int Socket::close() { if (_sock_fd < 0 ) { return -1; } _cc3000_module->_socket.closesocket(_sock_fd); return 0; } Socket::~Socket() { close(); //Don't want to leak } TimeInterval::TimeInterval(unsigned int ms) { _time.tv_sec = ms / 1000; _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000; }