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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Copyright (C) 2011 by Matthias Ringwald
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* hal_cpu.c
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*
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* Implementation for MSP430 Experimenter board using low power mode 0/3
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*
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*/
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#include <btstack/hal_cpu.h>
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#include "hal_board.h"
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#include "hal_compat.h"
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#include <msp430x54x.h>
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static uint8_t low_power_mode_for_sleep = LPM0_bits;
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void hal_cpu_disable_irqs(){
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// LED off
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LED_PORT_OUT &= ~LED_1;
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// disable irq
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__bic_SR_register(GIE);
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}
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void hal_cpu_enable_irqs(){
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// enable irq
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__bis_SR_register(GIE);
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// LED on
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LED_PORT_OUT |= LED_1;
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}
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void hal_cpu_set_uart_needed_during_sleep(uint8_t enabled){
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if (enabled){
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LED_PORT_OUT |= LED_2;
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low_power_mode_for_sleep = LPM0_bits;
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return;
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}
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LED_PORT_OUT &= ~LED_2;
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low_power_mode_for_sleep = LPM3_bits;
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}
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void hal_cpu_enable_irqs_and_sleep(){
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// enable irq and enter lpm0
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__bis_SR_register(low_power_mode_for_sleep + GIE);
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// LED on
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P1OUT |= 1;
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}
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