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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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Copyright (c) 2012, Philippe Retornaz
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Copyright (c) 2012, EPFL STI IMT LSRO1 -- Mobots group
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All rights reserved.
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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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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. The name of the author may not be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cc253x.h"
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#include "port2.h"
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extern struct cc253x_p2_handler *handlers;
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/* avoid referencing bits, we don't call code which use them */
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#pragma save
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#if CC_CONF_OPTIMIZE_STACK_SIZE
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#pragma exclude bits
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#endif
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void
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port_2_isr(void) __interrupt(P2INT_VECTOR)
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{
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struct cc253x_p2_handler *h;
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uint8_t handled = 0;
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for(h = handlers; h != NULL; h = h->next) {
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handled |= h->cb();
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}
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if(handled) {
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P2IF = 0;
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}
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}
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#pragma restore
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