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basic-setup/components/u8g2/sys/arm/lpc824/blink/delay.h

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+/*
+  delay.h
+  
+  LPC11U3x GPS Logger (https://github.com/olikraus/lpc11u3x-gps-logger)
+
+  Copyright (c) 2016, olikraus@gmail.com
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without modification, 
+  are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice, this list 
+    of conditions and the following disclaimer.
+    
+  * 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.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+  CONTRIBUTORS "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 COPYRIGHT HOLDER OR 
+  CONTRIBUTORS 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 _DELAY_H
+#define _DELAY_H
+
+#include <stdint.h>
+
+/*
+  Delay by the provided number of system ticks.
+  Any values between 0 and 0x0ffffffff are allowed.
+*/
+void delay_system_ticks(uint32_t sys_ticks);
+
+/*
+  Delay by the provided number of micro seconds.
+  Limitation: "us" * System-Freq in MHz must now overflow in 32 bit.
+  Values between 0 and 1.000.000 (1 second) are ok.
+  
+  Important: Call SystemCoreClockUpdate() before calling this function.
+*/
+void delay_micro_seconds(uint32_t us);
+
+#endif /* _DELAY_H */