Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
Diff: internal/common.h
- Revision:
- 29:b6af04b77a56
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/internal/common.h Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,117 @@ +/** + * ACKme WiConnect Host Library is licensed under the BSD licence: + * + * Copyright (c)2014 ACKme Networks. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +#ifndef _COMMON_H_ +#define _COMMON_H_ + + +#include "WiconnectCommands.h" + + + +/* Note we need the 2 concats below because arguments to ## + * are not expanded, so we need to expand __LINE__ with one indirection + * before doing the actual concatenation. */ +#define ASSERT_CONCAT_(a, b) a ## b +#define ASSERT_CONCAT(a, b) ASSERT_CONCAT_(a, b) +#define ct_assert(e) enum { ASSERT_CONCAT(assert_line_, __LINE__) = 1/(!!(e)) } + +#define wiconnect_assert(_wiconnect, msg, expr) if(!(expr)){if(_wiconnect != NULL) _wiconnect->assertLogger.call(msg); for(;;); } + + + +#ifndef WICONNECT_ASYNC_TIMER_ENABLED +#define CHECK_CALLBACK_AVAILABLE(cb) if(cb.isValid()) return WICONNECT_UNSUPPORTED +#else +#define CHECK_CALLBACK_AVAILABLE(cb) +#endif + +#define UNUSED(expr) do { (void)(expr); } while (0) + +#define CHECK_CLEANUP_COMMAND() \ + if(result != WICONNECT_PROCESSING) \ + { \ + wiconnect->internalProcessingState = 0; \ + wiconnect->currentCommandId = NULL; \ + } + +#define CHECK_OTHER_COMMAND_EXECUTING() \ +{ \ + static const volatile uint8_t __funcId = 0; \ + if(wiconnect->currentCommandId == NULL) \ + { \ + wiconnect->currentCommandId = (void*)&__funcId; \ + } \ + else if(wiconnect->currentCommandId != (void*)&__funcId) \ + { \ + return WICONNECT_ANOTHER_CMD_EXECUTING; \ + } \ +} + +#define _CHECK_CLEANUP_COMMAND() \ + if(result != WICONNECT_PROCESSING) \ + { \ + internalProcessingState = 0; \ + currentCommandId = NULL; \ + } + +#define _CHECK_OTHER_COMMAND_EXECUTING() \ +{ \ + static const volatile uint8_t __funcId = 0; \ + if(currentCommandId == NULL) \ + { \ + currentCommandId = (void*)&__funcId; \ + } \ + else if(currentCommandId != (void*)&__funcId) \ + { \ + return WICONNECT_ANOTHER_CMD_EXECUTING; \ + } \ +} + +#define WICONNECT_IS_IDLE() (wiconnect->currentCommandId == NULL) +#define _WICONNECT_IS_IDLE() (currentCommandId == NULL) + + + +#ifdef WICONNECT_USE_DEFAULT_STRING_BUFFERS +#define SET_STR_BUFFER(_buffer, size) \ + char *ptr; \ + static char defaultBuffer[size]; \ + ptr = (_buffer == NULL) ? defaultBuffer : _buffer; +#else +#define SET_STR_BUFFER(_buffer, size) \ + char *ptr; \ + if(_buffer == NULL) \ + { \ + return "<null>"; \ + } \ + ptr = _buffer; +#endif + + +#endif