--- /dev/null
+/// $Id$
+
+/*
+ * Copyright (c) 2004-2005 Crossbow Technology, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL CROSSBOW TECHNOLOGY OR ANY OF ITS LICENSORS BE LIABLE TO
+ * ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+ * DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF CROSSBOW OR ITS LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * CROSSBOW TECHNOLOGY AND ITS LICENSORS SPECIFICALLY DISCLAIM ALL WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND NEITHER CROSSBOW NOR ANY LICENSOR HAS ANY
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
+ * MODIFICATIONS.
+ */
+
+/**
+ * Internal component of the HPL interface to Atmega128 timer 1.
+ *
+ * @author Martin Turon <mturon@xbow.com>
+ */
+
+#include <Atm128Timer.h>
+
+module HplAtm128Timer1P
+{
+ provides {
+ // 16-bit Timers
+ interface HplAtm128Timer<uint16_t> as Timer;
+ interface HplAtm128TimerCtrl16 as TimerCtrl;
+ interface HplAtm128Capture<uint16_t> as Capture;
+ interface HplAtm128Compare<uint16_t> as CompareA;
+ interface HplAtm128Compare<uint16_t> as CompareB;
+ interface HplAtm128Compare<uint16_t> as CompareC;
+ }
+ uses interface HplAtm128TimerCtrl8 as Timer0Ctrl;
+}
+implementation
+{
+ //=== Read the current timer value. ===================================
+ async command uint16_t Timer.get() { return TCNT1; }
+
+ //=== Set/clear the current timer value. ==============================
+ async command void Timer.set(uint16_t t) { TCNT1 = t; }
+
+ //=== Read the current timer scale. ===================================
+ async command uint8_t Timer.getScale() { return TCCR1B & 0x7; }
+
+ //=== Turn off the timers. ============================================
+ async command void Timer.off() { call Timer.setScale(AVR_CLOCK_OFF); }
+
+ //=== Write a new timer scale. ========================================
+ async command void Timer.setScale(uint8_t s) {
+ Atm128TimerCtrlCapture_t x = call TimerCtrl.getCtrlCapture();
+ x.bits.cs = s;
+ call TimerCtrl.setCtrlCapture(x);
+ }
+
+ //=== Read the control registers. =====================================
+ async command Atm128TimerCtrlCompare_t TimerCtrl.getCtrlCompare() {
+ return *(Atm128TimerCtrlCompare_t*)&TCCR1A;
+ }
+ async command Atm128TimerCtrlCapture_t TimerCtrl.getCtrlCapture() {
+ return *(Atm128TimerCtrlCapture_t*)&TCCR1B;
+ }
+ async command Atm128TimerCtrlClock_t TimerCtrl.getCtrlClock() {
+ return *(Atm128TimerCtrlClock_t*)&TCCR1C;
+ }
+
+
+ //=== Control registers utilities. ==================================
+ DEFINE_UNION_CAST(TimerCtrlCompare2int, Atm128TimerCtrlCompare_t, uint16_t);
+ DEFINE_UNION_CAST(TimerCtrlCapture2int, Atm128TimerCtrlCapture_t, uint16_t);
+ DEFINE_UNION_CAST(TimerCtrlClock2int, Atm128TimerCtrlClock_t, uint16_t);
+
+ //=== Write the control registers. ====================================
+ async command void TimerCtrl.setCtrlCompare( Atm128_TCCR1A_t x ) {
+ TCCR1A = TimerCtrlCompare2int(x);
+ }
+ async command void TimerCtrl.setCtrlCapture( Atm128_TCCR1B_t x ) {
+ TCCR1B = TimerCtrlCapture2int(x);
+ }
+ async command void TimerCtrl.setCtrlClock( Atm128_TCCR1C_t x ) {
+ TCCR1C = TimerCtrlClock2int(x);
+ }
+
+ //=== Read the interrupt mask. =====================================
+ async command Atm128_ETIMSK_t TimerCtrl.getInterruptMask() {
+ return *(Atm128_ETIMSK_t*)&ETIMSK;
+ }
+
+ //=== Write the interrupt mask. ====================================
+ DEFINE_UNION_CAST(TimerMask8_2int, Atm128_TIMSK_t, uint8_t);
+ DEFINE_UNION_CAST(TimerMask16_2int, Atm128_ETIMSK_t, uint8_t);
+
+ async command void TimerCtrl.setInterruptMask( Atm128_ETIMSK_t x ) {
+ ETIMSK = TimerMask16_2int(x);
+ }
+
+ //=== Read the interrupt flags. =====================================
+ async command Atm128_ETIFR_t TimerCtrl.getInterruptFlag() {
+ return *(Atm128_ETIFR_t*)&ETIFR;
+ }
+
+ //=== Write the interrupt flags. ====================================
+ DEFINE_UNION_CAST(TimerFlags8_2int, Atm128_TIFR_t, uint8_t);
+ DEFINE_UNION_CAST(TimerFlags16_2int, Atm128_ETIFR_t, uint8_t);
+
+ async command void TimerCtrl.setInterruptFlag( Atm128_ETIFR_t x ) {
+ ETIFR = TimerFlags16_2int(x);
+ }
+
+ //=== Capture 16-bit implementation. ===================================
+ async command void Capture.setEdge(bool up) { WRITE_BIT(TCCR1B,ICES1, up); }
+
+ //=== Timer 16-bit implementation. ===================================
+ async command void Timer.reset() { TIFR = 1 << TOV1; }
+ async command void Capture.reset() { TIFR = 1 << ICF1; }
+ async command void CompareA.reset() { TIFR = 1 << OCF1A; }
+ async command void CompareB.reset() { TIFR = 1 << OCF1B; }
+ async command void CompareC.reset() { ETIFR = 1 << OCF1C; }
+
+ async command void Timer.start() { SET_BIT(TIMSK,TOIE1); }
+ async command void Capture.start() { SET_BIT(TIMSK,TICIE1); }
+ async command void CompareA.start() { SET_BIT(TIMSK,OCIE1A); }
+ async command void CompareB.start() { SET_BIT(TIMSK,OCIE1B); }
+ async command void CompareC.start() { SET_BIT(ETIMSK,OCIE1C); }
+
+ async command void Timer.stop() { CLR_BIT(TIMSK,TOIE1); }
+ async command void Capture.stop() { CLR_BIT(TIMSK,TICIE1); }
+ async command void CompareA.stop() { CLR_BIT(TIMSK,OCIE1A); }
+ async command void CompareB.stop() { CLR_BIT(TIMSK,OCIE1B); }
+ async command void CompareC.stop() { CLR_BIT(ETIMSK,OCIE1C); }
+
+ // Note: Many Timer interrupt flags are on Timer0 register
+ async command bool Timer.test() {
+ return (call Timer0Ctrl.getInterruptFlag()).bits.tov1;
+ }
+ async command bool Capture.test() {
+ return (call Timer0Ctrl.getInterruptFlag()).bits.icf1;
+ }
+ async command bool CompareA.test() {
+ return (call Timer0Ctrl.getInterruptFlag()).bits.ocf1a;
+ }
+ async command bool CompareB.test() {
+ return (call Timer0Ctrl.getInterruptFlag()).bits.ocf1b;
+ }
+ async command bool CompareC.test() {
+ return (call TimerCtrl.getInterruptFlag()).bits.ocf1c;
+ }
+
+ // Note: Many Timer interrupt mask bits are on Timer0 register
+ async command bool Timer.isOn() {
+ return (call Timer0Ctrl.getInterruptMask()).bits.toie1;
+ }
+ async command bool Capture.isOn() {
+ return (call Timer0Ctrl.getInterruptMask()).bits.ticie1;
+ }
+ async command bool CompareA.isOn() {
+ return (call Timer0Ctrl.getInterruptMask()).bits.ocie1a;
+ }
+ async command bool CompareB.isOn() {
+ return (call Timer0Ctrl.getInterruptMask()).bits.ocie1b;
+ }
+ async command bool CompareC.isOn() {
+ return (call TimerCtrl.getInterruptMask()).bits.ocie1c;
+ }
+
+ //=== Read the compare registers. =====================================
+ async command uint16_t CompareA.get() { return OCR1A; }
+ async command uint16_t CompareB.get() { return OCR1B; }
+ async command uint16_t CompareC.get() { return OCR1C; }
+
+ //=== Write the compare registers. ====================================
+ async command void CompareA.set(uint16_t t) { OCR1A = t; }
+ async command void CompareB.set(uint16_t t) { OCR1B = t; }
+ async command void CompareC.set(uint16_t t) { OCR1C = t; }
+
+ //=== Read the capture registers. =====================================
+ async command uint16_t Capture.get() { return ICR1; }
+
+ //=== Write the capture registers. ====================================
+ async command void Capture.set(uint16_t t) { ICR1 = t; }
+
+ //=== Timer interrupts signals ========================================
+ default async event void CompareA.fired() { }
+ AVR_NONATOMIC_HANDLER(SIG_OUTPUT_COMPARE1A) {
+ signal CompareA.fired();
+ }
+ default async event void CompareB.fired() { }
+ AVR_NONATOMIC_HANDLER(SIG_OUTPUT_COMPARE1B) {
+ signal CompareB.fired();
+ }
+ default async event void CompareC.fired() { }
+ AVR_NONATOMIC_HANDLER(SIG_OUTPUT_COMPARE1C) {
+ signal CompareC.fired();
+ }
+ default async event void Capture.captured(uint16_t time) { }
+ AVR_NONATOMIC_HANDLER(SIG_INPUT_CAPTURE1) {
+ signal Capture.captured(call Timer.get());
+ }
+ default async event void Timer.overflow() { }
+ AVR_NONATOMIC_HANDLER(SIG_OVERFLOW1) {
+ signal Timer.overflow();
+ }
+}
projects / tinyos-2.x.git / blobdiff