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-rw-r--r--wirish/SystemTick.cpp40
-rw-r--r--wirish/SystemTick.h43
-rw-r--r--wirish/rules.mk3
-rw-r--r--wirish/wirish.h1
4 files changed, 86 insertions, 1 deletions
diff --git a/wirish/SystemTick.cpp b/wirish/SystemTick.cpp
new file mode 100644
index 0000000..8631a70
--- /dev/null
+++ b/wirish/SystemTick.cpp
@@ -0,0 +1,40 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Marti F. Bolivar.
+ *
+ * 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 "SystemTick.h"
+#include "systick.h"
+#include "time.h"
+
+SysTick::SysTick(void) {
+}
+
+void SysTick::begin(void) {
+ systick_init(MAPLE_RELOAD_VAL);
+}
+
+void SysTick::end(void) {
+ systick_disable();
+}
+
+SysTick SystemTick;
diff --git a/wirish/SystemTick.h b/wirish/SystemTick.h
new file mode 100644
index 0000000..f0dd876
--- /dev/null
+++ b/wirish/SystemTick.h
@@ -0,0 +1,43 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Marti F. Bolivar.
+ *
+ * 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.
+ * ****************************************************************************/
+
+/**
+ * @brief wrapper class for starting and stopping SysTick interrupts.
+ */
+
+#ifndef _SYSTEMTICK_H_
+#define _SYSTEMTICK_H_
+
+#include "systick.h"
+
+class SysTick {
+ public:
+ SysTick(void);
+ void begin(void);
+ void end(void);
+};
+
+extern SysTick SystemTick;
+
+#endif
diff --git a/wirish/rules.mk b/wirish/rules.mk
index fcd25c6..18d93b2 100644
--- a/wirish/rules.mk
+++ b/wirish/rules.mk
@@ -25,7 +25,8 @@ cppSRCS_$(d) := wirish_math.cpp \
comm/HardwareSPI.cpp \
usb_serial.cpp \
HardwareTimer.cpp \
- cxxabi-compat.cpp
+ cxxabi-compat.cpp \
+ SystemTick.cpp
cFILES_$(d) := $(cSRCS_$(d):%=$(d)/%)
cppFILES_$(d) := $(cppSRCS_$(d):%=$(d)/%)
diff --git a/wirish/wirish.h b/wirish/wirish.h
index 13ff313..9ca5692 100644
--- a/wirish/wirish.h
+++ b/wirish/wirish.h
@@ -44,6 +44,7 @@
#include "HardwareSPI.h"
#include "HardwareSerial.h"
#include "usb_serial.h"
+#include "SystemTick.h"
#include "HardwareTimer.h"
#endif