switch to setup for Arduino Boards Manager

2025-11-03 13:04:48 -08:00 · 2015-06-23 12:42:35 -07:00
parent bc55c9bb45
commit 6ca6b114d5
3581 changed files with 93 additions and 51 deletions
--- a/digistump-sam/system/libsam/source/timetick.c
+++ b/digistump-sam/system/libsam/source/timetick.c
@@ -0,0 +1,118 @@
+/* ----------------------------------------------------------------------------
+ *         SAM Software Package License
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2011-2012, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following condition is met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ *  \file
+ *  Implement simple system tick usage.
+ */
+
+/*----------------------------------------------------------------------------
+ *         Headers
+ *----------------------------------------------------------------------------*/
+
+#include "chip.h"
+
+/*----------------------------------------------------------------------------
+ *         Local variables
+ *----------------------------------------------------------------------------*/
+
+/** Tick Counter united by ms */
+static volatile uint32_t _dwTickCount=0 ;
+
+/*----------------------------------------------------------------------------
+ *         Exported Functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ *  \brief Handler for Sytem Tick interrupt.
+ */
+extern void TimeTick_Increment( void )
+{
+    _dwTickCount++ ;
+}
+
+/**
+ *  \brief Configures the SAM3 SysTick & reset tickCount.
+ *  Systick interrupt handler will generates 1ms interrupt and increase a
+ *  tickCount.
+ *  \param dwNew_MCK  Current master clock.
+ */
+extern uint32_t TimeTick_Configure( uint32_t dwNew_MCK )
+{
+    _dwTickCount = 0 ;
+
+    return SysTick_Config( dwNew_MCK/1000 ) ;
+}
+
+/**
+ *  \brief Get current Tick Count, in ms.
+ */
+extern uint32_t GetTickCount( void )
+{
+    return _dwTickCount ;
+}
+
+/**
+ *  \brief Sync Wait for several ms
+ */
+extern void Wait( volatile uint32_t dwMs )
+{
+    uint32_t dwStart ;
+    uint32_t dwCurrent ;
+
+    dwStart = _dwTickCount ;
+    do
+    {
+        dwCurrent = _dwTickCount ;
+    } while ( dwCurrent - dwStart < dwMs ) ;
+}
+
+/**
+ *  \brief Sync Sleep for several ms
+ */
+extern void Sleep( volatile uint32_t dwMs )
+{
+    uint32_t dwStart ;
+    uint32_t dwCurrent ;
+
+    dwStart = _dwTickCount ;
+
+    do
+    {
+        dwCurrent = _dwTickCount ;
+
+        if ( dwCurrent - dwStart > dwMs )
+        {
+            break ;
+        }
+
+        __WFI() ;
+    } while( 1 ) ;
+}
+