nes-proj/core/dev/cc2420_const.h

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/*
* 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.
*
*/
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/* @(#)$Id: cc2420_const.h,v 1.2 2007/01/12 18:18:23 bg- Exp $ */
#ifndef CC2420_CONST_H
#define CC2420_CONST_H
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/*
* All constants are from the Chipcon CC2420 Data Sheet that at one
* point in time could be found at
* http://www.chipcon.com/files/CC2420_Data_Sheet_1_4.pdf
*
* The page numbers below refer to pages in this document.
*/
/* Page 27. */
enum cc2420_status_byte {
CC2420_XOSC16M_STABLE = 6,
CC2420_TX_UNDERFLOW = 5,
CC2420_ENC_BUSY = 4,
CC2420_TX_ACTIVE = 3,
CC2420_LOCK = 2,
CC2420_RSSI_VALID = 1,
};
/* Page 27. */
enum cc2420_memory_size {
CC2420_RAM_SIZE = 368,
CC2420_FIFO_SIZE = 128,
};
/* Page 29. */
enum cc2420_address {
CC2420RAM_TXFIFO = 0x000,
CC2420RAM_RXFIFO = 0x080,
CC2420RAM_KEY0 = 0x100,
CC2420RAM_RXNONCE = 0x110,
CC2420RAM_SABUF = 0x120,
CC2420RAM_KEY1 = 0x130,
CC2420RAM_TXNONCE = 0x140,
CC2420RAM_CBCSTATE = 0x150,
CC2420RAM_IEEEADDR = 0x160,
CC2420RAM_PANID = 0x168,
CC2420RAM_SHORTADDR = 0x16A,
};
/* Page 60. */
enum cc2420_register {
CC2420_SNOP = 0x00,
CC2420_SXOSCON = 0x01,
CC2420_STXCAL = 0x02,
CC2420_SRXON = 0x03,
CC2420_STXON = 0x04,
CC2420_STXONCCA = 0x05,
CC2420_SRFOFF = 0x06,
CC2420_SXOSCOFF = 0x07,
CC2420_SFLUSHRX = 0x08,
CC2420_SFLUSHTX = 0x09,
CC2420_SACK = 0x0A,
CC2420_SACKPEND = 0x0B,
CC2420_SRXDEC = 0x0C,
CC2420_STXENC = 0x0D,
CC2420_SAES = 0x0E,
CC2420_foo = 0x0F,
CC2420_MAIN = 0x10,
CC2420_MDMCTRL0 = 0x11,
CC2420_MDMCTRL1 = 0x12,
CC2420_RSSI = 0x13,
CC2420_SYNCWORD = 0x14,
CC2420_TXCTRL = 0x15,
CC2420_RXCTRL0 = 0x16,
CC2420_RXCTRL1 = 0x17,
CC2420_FSCTRL = 0x18,
CC2420_SECCTRL0 = 0x19,
CC2420_SECCTRL1 = 0x1A,
CC2420_BATTMON = 0x1B,
CC2420_IOCFG0 = 0x1C,
CC2420_IOCFG1 = 0x1D,
CC2420_MANFIDL = 0x1E,
CC2420_MANFIDH = 0x1F,
CC2420_FSMTC = 0x20,
CC2420_MANAND = 0x21,
CC2420_MANOR = 0x22,
CC2420_AGCCTRL = 0x23,
CC2420_AGCTST0 = 0x24,
CC2420_AGCTST1 = 0x25,
CC2420_AGCTST2 = 0x26,
CC2420_FSTST0 = 0x27,
CC2420_FSTST1 = 0x28,
CC2420_FSTST2 = 0x29,
CC2420_FSTST3 = 0x2A,
CC2420_RXBPFTST = 0x2B,
CC2420_FSMSTATE = 0x2C,
CC2420_ADCTST = 0x2D,
CC2420_DACTST = 0x2E,
CC2420_TOPTST = 0x2F,
CC2420_RESERVED = 0x30,
/* 0x31 - 0x3D not used */
CC2420_TXFIFO = 0x3E,
CC2420_RXFIFO = 0x3F,
};
/* Page 69. */
enum cc2420_secctrl0 {
CC2420_SECCTRL0_NO_SECURITY = 0x0000,
CC2420_SECCTRL0_CBC_MAC = 0x0001,
CC2420_SECCTRL0_CTR = 0x0002,
CC2420_SECCTRL0_CCM = 0x0003,
CC2420_SECCTRL0_SEC_M_IDX = 2,
CC2420_SECCTRL0_RXKEYSEL0 = 0x0000,
CC2420_SECCTRL0_RXKEYSEL1 = 0x0020,
CC2420_SECCTRL0_TXKEYSEL0 = 0x0000,
CC2420_SECCTRL0_TXKEYSEL1 = 0x0040,
CC2420_SECCTRL0_SEC_CBC_HEAD = 0x0100,
CC2420_SECCTRL0_RXFIFO_PROTECTION = 0x0200,
};
/* CC2420 register access functions. */
unsigned cc2420_status(void);
unsigned cc2420_getreg(enum cc2420_register regname);
void cc2420_setreg(enum cc2420_register regname, unsigned value);
void cc2420_strobe(enum cc2420_register regname);
/* Page 47. [-38, 26] --> [0, 255]:6 valid bits */
#define RSSI_OFFSET -38
#define RSSI_2_ED(rssi) ((rssi) < RSSI_OFFSET ? 0 : ((rssi) - RSSI_OFFSET))
#define ED_2_LQI(ed) (((ed) > 63 ? 255 : ((ed) << 2)))
/* Page 48. [48, 112] --> [0, 255]:6 valid bits */
#define CORR_OFFSET 48
#define CORR_2_X(corr) ((corr) < CORR_OFFSET ? 0 : ((corr) - CORR_OFFSET))
#define X_2_LQI(x) (((x) > 63) ? 255 : ((x) << 2))
#endif /* CC2420_CONST_H */