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-rw-r--r--wirish/HardwareTimer.cpp2
-rw-r--r--wirish/SystemTick.cpp40
-rw-r--r--wirish/SystemTick.h43
-rw-r--r--wirish/boards.h7
-rw-r--r--wirish/rules.mk5
-rw-r--r--wirish/time.h1
-rw-r--r--wirish/wirish.h1
7 files changed, 93 insertions, 6 deletions
diff --git a/wirish/HardwareTimer.cpp b/wirish/HardwareTimer.cpp
index 5675948..64fa222 100644
--- a/wirish/HardwareTimer.cpp
+++ b/wirish/HardwareTimer.cpp
@@ -32,7 +32,7 @@
#include "HardwareTimer.h"
HardwareTimer::HardwareTimer(uint8 timerNum) {
- ASSERT(timerNum < NR_TIMERS);
+ ASSERT(timerNum <= NR_TIMERS);
this->timerNum = timerNum;
// Need to remember over flow for bounds checking
this->overflow = 0xFFFF;
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/boards.h b/wirish/boards.h
index 035868a..11d1774 100644
--- a/wirish/boards.h
+++ b/wirish/boards.h
@@ -75,8 +75,9 @@ typedef struct ExtiInfo {
#ifdef BOARD_maple
#define CYCLES_PER_MICROSECOND 72
+ #define MAPLE_RELOAD_VAL 72000
- static PinMapping PIN_MAP[NR_GPIO_PINS] = {
+ static __attribute__ ((unused)) PinMapping PIN_MAP[NR_GPIO_PINS] = {
{GPIOA_BASE, 3, ADC3, TIMER2_CH4_CCR}, // D0/PA3
{GPIOA_BASE, 2, ADC2, TIMER2_CH3_CCR}, // D1/PA2
{GPIOA_BASE, 0, ADC0, TIMER2_CH1_CCR}, // D2/PA0
@@ -120,7 +121,8 @@ typedef struct ExtiInfo {
{GPIOC_BASE, 9, ADC_INVALID, TIMER_INVALID} // D38/PC9 (BUT)
};
- static ExtiInfo PIN_TO_EXTI_CHANNEL[NR_GPIO_PINS] = {
+ static __attribute__ ((unused)) ExtiInfo PIN_TO_EXTI_CHANNEL[NR_GPIO_PINS] =
+ {
{EXTI3, EXTI_CONFIG_PORTA}, // D0/PA3
{EXTI2, EXTI_CONFIG_PORTA}, // D1/PA2
{EXTI0, EXTI_CONFIG_PORTA}, // D2/PA0
@@ -143,6 +145,7 @@ typedef struct ExtiInfo {
#ifdef BOARD_maple_native
#define CYCLES_PER_MICROSECOND 72
+ #define MAPLE_RELOAD_VAL 72000
// TODO:
static PinMapping PIN_MAP[NR_GPIO_PINS] = {
diff --git a/wirish/rules.mk b/wirish/rules.mk
index b2110bd..18d93b2 100644
--- a/wirish/rules.mk
+++ b/wirish/rules.mk
@@ -24,8 +24,9 @@ cppSRCS_$(d) := wirish_math.cpp \
comm/HardwareSerial.cpp \
comm/HardwareSPI.cpp \
usb_serial.cpp \
- HardwareTimer.cpp \
- cxxabi-compat.cpp
+ HardwareTimer.cpp \
+ cxxabi-compat.cpp \
+ SystemTick.cpp
cFILES_$(d) := $(cSRCS_$(d):%=$(d)/%)
cppFILES_$(d) := $(cppSRCS_$(d):%=$(d)/%)
diff --git a/wirish/time.h b/wirish/time.h
index 33c04b4..f73d133 100644
--- a/wirish/time.h
+++ b/wirish/time.h
@@ -38,7 +38,6 @@ extern "C"{
#include "boards.h"
#define US_PER_MS 1000
-#define MAPLE_RELOAD_VAL (CYCLES_PER_MICROSECOND * US_PER_MS)
extern volatile uint32 systick_timer_millis;
diff --git a/wirish/wirish.h b/wirish/wirish.h
index 7ede77c..d293901 100644
--- a/wirish/wirish.h
+++ b/wirish/wirish.h
@@ -45,6 +45,7 @@
#include "HardwareSPI.h"
#include "HardwareSerial.h"
#include "usb_serial.h"
+#include "SystemTick.h"
#include "HardwareTimer.h"
#endif