From b24866225a6301d3a663f874725e83c012dc25d3 Mon Sep 17 00:00:00 2001 From: Florent Duchon Date: Wed, 26 Dec 2012 17:36:00 +0100 Subject: digital/beacon: add bitcloud stack into common directory digital/zigbit --- .../HAL/avr/atmega1281/common/src/halIrq.c | 119 +++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 digital/zigbit/bitcloud/stack/Components/HAL/avr/atmega1281/common/src/halIrq.c (limited to 'digital/zigbit/bitcloud/stack/Components/HAL/avr/atmega1281/common/src/halIrq.c') diff --git a/digital/zigbit/bitcloud/stack/Components/HAL/avr/atmega1281/common/src/halIrq.c b/digital/zigbit/bitcloud/stack/Components/HAL/avr/atmega1281/common/src/halIrq.c new file mode 100644 index 00000000..b119fe4d --- /dev/null +++ b/digital/zigbit/bitcloud/stack/Components/HAL/avr/atmega1281/common/src/halIrq.c @@ -0,0 +1,119 @@ +/**************************************************************************//** + \file halIrq.c + + \brief Implementation of HWD IRQ interface. + + \author + Atmel Corporation: http://www.atmel.com \n + Support email: avr@atmel.com + + Copyright (c) 2008-2011, Atmel Corporation. All rights reserved. + Licensed under Atmel's Limited License Agreement (BitCloudTM). + + \internal + History: + 5/12/07 A. Khromykh - Created + ******************************************************************************/ +/****************************************************************************** + * WARNING: CHANGING THIS FILE MAY AFFECT CORE FUNCTIONALITY OF THE STACK. * + * EXPERT USERS SHOULD PROCEED WITH CAUTION. * + ******************************************************************************/ + +/****************************************************************************** + Includes section +******************************************************************************/ +#include +#include +#include +#include +#include +#include + +/****************************************************************************** + Global variables section +******************************************************************************/ +#if defined(PLATFORM_ZIGBIT) + IrqCallback_t IrqCallbackList[HAL_NUM_IRQ_LINES] = {NULL, NULL}; +#else + IrqCallback_t IrqCallbackList[HAL_NUM_IRQ_LINES] = {NULL, NULL, NULL}; +#endif + +/****************************************************************************** + Implementations section +******************************************************************************/ +/****************************************************************************** +Sets configuration of pins and the registers. +Parameters: + irqNumber - number of interrupt. + irqMode - mode of interrupt +Returns: + none. +******************************************************************************/ +void halSetIrqConfig(uint8_t irqNumber, uint8_t irqMode) +{ + uint8_t ui8ShiftCount = (irqNumber - IRQ_4) << 1; + // IRQ pin is input + DDRE &= ~(1 << irqNumber); + PORTE |= (1 << irqNumber); + // Clear previous settings of corresponding interrupt sense control + EICRB &= ~(3 << ui8ShiftCount); + // Setup corresponding interrupt sence control + EICRB |= (irqMode & 0x03) << ui8ShiftCount; + // Clear the INTn interrupt flag + EIFR |= (1 << irqNumber); +} + +/**************************************************************************//** +\brief Clears configuration of pins and the registers. +\param[in] + irqNumber - number of interrupt. +******************************************************************************/ +void halClrIrqConfig(uint8_t irqNumber) +{ + uint8_t ui8ShiftCount = (irqNumber - IRQ_4) << 1; + DDRE &= ~(1 << irqNumber);// IRQ pin is input + PORTE &= ~(1 << irqNumber); // pullup off + EICRB &= ~(3 << ui8ShiftCount); +} + +#if !defined(PLATFORM_ZIGBIT) +/****************************************************************************** + External interrupt 5 handler +******************************************************************************/ +ISR(INT5_vect) +{ + BEGIN_MEASURE + halWakeupFromIrq(); + /* user's callback */ + if (NULL != IrqCallbackList[IRQ_5 - HAL_FIRST_VALID_IRQ]) + IrqCallbackList[IRQ_5 - HAL_FIRST_VALID_IRQ](); + END_MEASURE(HALISR_INT5_VECT_TIME_LIMIT) +} +#endif + +/****************************************************************************** + External interrupt 6 handler +******************************************************************************/ +ISR(INT6_vect) +{ + BEGIN_MEASURE + halWakeupFromIrq(); + /* user's callback */ + if (NULL != IrqCallbackList[IRQ_6 - HAL_FIRST_VALID_IRQ]) + IrqCallbackList[IRQ_6 - HAL_FIRST_VALID_IRQ](); + END_MEASURE(HALISR_INT6_VECT_TIME_LIMIT) +} + +/****************************************************************************** + External interrupt 7 handler +******************************************************************************/ +ISR(INT7_vect) +{ + BEGIN_MEASURE + halWakeupFromIrq(); + /* user's callback */ + if (NULL != IrqCallbackList[IRQ_7 - HAL_FIRST_VALID_IRQ]) + IrqCallbackList[IRQ_7 - HAL_FIRST_VALID_IRQ](); + END_MEASURE(HALISR_INT7_VECT_TIME_LIMIT) +} +// eof irq.c -- cgit v1.2.3