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Added radio_on() and radio_off() functions

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This commit is contained in:
adamdunkels 2007-04-03 19:05:44 +00:00
parent 08d825c450
commit 7ce8d3920a
1 changed files with 20 additions and 3 deletions
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23
core/dev/simple-cc2420.c
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@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: simple-cc2420.c,v 1.4 2007/03/25 17:15:30 adamdunkels Exp $ * @(#)$Id: simple-cc2420.c,v 1.5 2007/04/03 19:05:44 adamdunkels Exp $
*/ */
/* /*
* This code is almost device independent and should be easy to port. * This code is almost device independent and should be easy to port.
@ -269,8 +269,9 @@ simple_cc2420_off(void)
{ {
u8_t spiStatusByte; u8_t spiStatusByte;
if (receive_on == 0) if(receive_on == 0) {
return; return;
}
receive_on = 0; receive_on = 0;
/* Wait for transmission to end before turning radio off. */ /* Wait for transmission to end before turning radio off. */
do { do {
@ -328,7 +329,23 @@ simple_cc2420_set_chan_pan_addr(unsigned channel, /* 11 - 26 */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static volatile u8_t rx_fifo_remaining_bytes; static volatile u8_t rx_fifo_remaining_bytes;
/*---------------------------------------------------------------------------*/
void
radio_on(void)
{
simple_cc2420_on();
}
/*---------------------------------------------------------------------------*/
void
radio_off(void)
{
/* Turn the receiver off, but only if we have not recently received
a packet. */
if(rx_fifo_remaining_bytes == 0) {
simple_cc2420_off();
}
}
/*---------------------------------------------------------------------------*/
/* /*
* Interrupt either leaves frame intact in FIFO or reads *only* the * Interrupt either leaves frame intact in FIFO or reads *only* the
* MAC header and sets rx_fifo_remaining_bytes. * MAC header and sets rx_fifo_remaining_bytes.