mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-23 01:29:33 +00:00
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006, Swedish Institute of Computer Science
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* @(#)$Id: cc2420_misc.h,v 1.1 2006/08/09 17:39:39 bg- Exp $
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef CC2420_MISC_H
|
||
|
|
#define CC2420_MISC_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Miscellaneous routines that illustrates how some of the CC2420
|
||
|
|
* registers may be accessed.
|
||
|
|
*/
|
||
|
|
|
||
|
|
unsigned cc2420_pa_level(u16_t);
|
||
|
|
unsigned cc2420_get_pa_level(void);
|
||
|
|
int cc2420_get_current_rssi(void);
|
||
|
|
|
||
|
|
#define PA_LEVEL 0x1F
|
||
|
|
|
||
|
|
inline
|
||
|
|
unsigned
|
||
|
|
cc2420_pa_level(u16_t p)
|
||
|
|
{
|
||
|
|
u16_t reg;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* All PA settings can be used, the ones given in the datasheet
|
||
|
|
* correspond to 0, -1, -3, -5, -7, -10, -15, -25 dBm in the
|
||
|
|
* reference design.
|
||
|
|
*/
|
||
|
|
if (p > PA_LEVEL)
|
||
|
|
p = PA_LEVEL;
|
||
|
|
|
||
|
|
reg = cc2420_getreg(CC2420_TXCTRL);
|
||
|
|
|
||
|
|
p |= reg & ~PA_LEVEL;
|
||
|
|
|
||
|
|
cc2420_setreg(CC2420_TXCTRL, p);
|
||
|
|
|
||
|
|
return reg & PA_LEVEL;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline
|
||
|
|
unsigned
|
||
|
|
cc2420_get_pa_level(void)
|
||
|
|
{
|
||
|
|
u16_t reg;
|
||
|
|
|
||
|
|
reg = cc2420_getreg(CC2420_TXCTRL);
|
||
|
|
|
||
|
|
return reg & PA_LEVEL;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline
|
||
|
|
int
|
||
|
|
cc2420_get_current_rssi(void)
|
||
|
|
{
|
||
|
|
u16_t reg;
|
||
|
|
|
||
|
|
reg = cc2420_getreg(CC2420_RSSI);
|
||
|
|
|
||
|
|
return (signed char) (reg & 0xff);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CC2420_MISC_H */
|