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component/common/mbed/api/error.h

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+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ERROR_H
+#define MBED_ERROR_H
+
+/** To generate a fatal compile-time error, you can use the pre-processor #error directive.
+ *
+ * @code
+ * #error "That shouldn't have happened!"
+ * @endcode
+ *
+ * If the compiler evaluates this line, it will report the error and stop the compile.
+ *
+ * For example, you could use this to check some user-defined compile-time variables:
+ *
+ * @code
+ * #define NUM_PORTS 7
+ * #if (NUM_PORTS > 4)
+ *     #error "NUM_PORTS must be less than 4"
+ * #endif
+ * @endcode
+ *
+ * Reporting Run-Time Errors:
+ * To generate a fatal run-time error, you can use the mbed error() function.
+ *
+ * @code
+ * error("That shouldn't have happened!");
+ * @endcode
+ *
+ * If the mbed running the program executes this function, it will print the
+ * message via the USB serial port, and then die with the blue lights of death!
+ *
+ * The message can use printf-style formatting, so you can report variables in the
+ * message too. For example, you could use this to check a run-time condition:
+ *
+ * @code
+ * if(x >= 5) {
+ *     error("expected x to be less than 5, but got %d", x);
+ * }
+ * #endcode
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void error(const char* format, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

component/common/mbed/api/mbed_assert.h

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+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ASSERT_H
+#define MBED_ASSERT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Internal mbed assert function which is invoked when MBED_ASSERT macro failes.
+ *  This function is active only if NDEBUG is not defined prior to including this
+ *  assert header file.
+ *  In case of MBED_ASSERT failing condition, the assertation message is printed
+ *  to stderr and mbed_die() is called.
+ *  @param expr Expresion to be checked.
+ *  @param file File where assertation failed.
+ *  @param line Failing assertation line number.
+ */
+void mbed_assert_internal(const char *expr, const char *file, int line);
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef NDEBUG
+#define MBED_ASSERT(expr) ((void)0)
+
+#else
+#define MBED_ASSERT(expr)                                \
+do {                                                     \
+    if (!(expr)) {                                       \
+        mbed_assert_internal(#expr, __FILE__, __LINE__); \
+    }                                                    \
+} while (0)
+#endif
+
+#endif

component/common/mbed/api/wait_api.h

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+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_WAIT_API_H
+#define MBED_WAIT_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Generic wait functions.
+ *
+ * These provide simple NOP type wait capabilities.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * DigitalOut heartbeat(LED1);
+ *
+ * int main() {
+ *     while (1) {
+ *         heartbeat = 1;
+ *         wait(0.5);
+ *         heartbeat = 0;
+ *         wait(0.5);
+ *     }
+ * }
+ */
+
+/** Waits for a number of seconds, with microsecond resolution (within
+ *  the accuracy of single precision floating point).
+ *
+ *  @param s number of seconds to wait
+ */
+void wait(float s);
+
+/** Waits a number of milliseconds.
+ *
+ *  @param ms the whole number of milliseconds to wait
+ */
+void wait_ms(int ms);
+
+/** Waits a number of microseconds.
+ *
+ *  @param us the whole number of microseconds to wait
+ */
+void wait_us(int us);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif