# radio.h

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    00001 /* Copyright (c) 2007-2009 Axel Wachtler
    00002    All rights reserved.
    00003
    00004    Redistribution and use in source and binary forms, with or without
    00005    modification, are permitted provided that the following conditions
    00006    are met:
    00007
    00008    * Redistributions of source code must retain the above copyright
    00009      notice, this list of conditions and the following disclaimer.
    00010    * Redistributions in binary form must reproduce the above copyright
    00011      notice, this list of conditions and the following disclaimer in the
    00012      documentation and/or other materials provided with the distribution.
    00013    * Neither the name of the authors nor the names of its contributors
    00014      may be used to endorse or promote products derived from this software
    00015      without specific prior written permission.
    00016
    00017    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    00018    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00019    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00020    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    00021    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    00022    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    00023    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    00024    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    00025    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    00026    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00027    POSSIBILITY OF SUCH DAMAGE. */
    00028
    00029 /* $Id$ */
    00035 #ifndef RADIO_H
    00036 #define RADIO_H
    00037
    00038 /* === Includes ============================================================== */
    00039 #include <stdbool.h>
    00040 #include <stdio.h>
    00041 #include <util/crc16.h>
    00042 #include "const.h"
    00043
    00049 /* === Externals ============================================================= */
    00050
    00051 /* === Types ================================================================= */
    00052
    00058 #define  STATE_OFF (0)
    00059
    00060 #define  STATE_TX (1)
    00061
    00062 #define STATE_RX (2)
    00063
    00064 #define STATE_TXAUTO (3)
    00065
    00066 #define STATE_RXAUTO (4)
    00067
    00068 #define STATE_SLEEP (5)
    00069
    00070
    00072 typedef uint8_t radio_state_t;
    00073
    00077 typedef enum
    00078 {
    00079     TX_OK,
    00080     TX_CCA_FAIL,
    00081     TX_NO_ACK,
    00082     TX_FAIL,
    00083 } radio_tx_done_t;
    00084
    00085
    00089 typedef enum SHORTENUM
    00090 {
    00091 #if defined(CCA_BUSY)
    00092
    00096     RADIO_CCA_FREE = CCA_IDLE,
    00097     RADIO_CCA_BUSY = CCA_BUSY,
    00098     RADIO_CCA_FAIL = 255,
    00099 #else
    00100
    00101     RADIO_CCA_FREE = 0,
    00103     RADIO_CCA_BUSY,
    00105     RADIO_CCA_FAIL
    00106 #endif
    00107
    00108 } radio_cca_t;
    00109
    00110
    00113 typedef enum SHORTENUM
    00114 {
    00116     phyCurrentChannel,
    00118     phyChannelsSupported,
    00120     phyTransmitPower,
    00122     phyIdleState,
    00132     phyCCAMode,
    00134     phyPanId,
    00136     phyShortAddr,
    00138     phyLongAddr,
    00139
    00141     phyDataRate,
    00142
    00143 } radio_attribute_t;
    00144
    00145
    00154 typedef union radio_param_t
    00155 {
    00156 #if defined __cplusplus
    00157 public:
    00158     radio_param_t(int8_t c) { channel = c; } /* also used for txpwr_t */
    00159     //radio_param_t(radio_state_t s) { idle_state = s; }
    00160     radio_param_t(uint8_t m) { cca_mode = m; } /* use used for data_rate */
    00161     radio_param_t(uint16_t p) { pan_id = p; } /* also used for short_addr */
    00162     radio_param_t(uint64_t *la) { long_addr = la; }
    00163 #endif
    00164
    00165     channel_t channel;
    00167     txpwr_t   tx_pwr;
    00169     radio_state_t idle_state;
    00171     ccamode_t cca_mode;
    00173     uint16_t pan_id;
    00175     uint16_t short_addr;
    00177     uint64_t *long_addr;
    00179     uint8_t data_rate;
    00180
    00181 } radio_param_t;
    00182
    00183
    00187 typedef enum SHORTENUM
    00188 {
    00189     #ifndef SUCCESS
    00190
    00191     SUCCESS = 0,
    00192     #endif
    00193     STATE_SET_FAILED = 1,
    00194     SET_PARM_FAILED,
    00195     GET_PARM_FAILED,
    00196     GENERAL_ERROR,
    00197 } radio_error_t;
    00198
    00199
    00203 typedef struct
    00204 {
    00205     uint8_t  channel;
    00207     uint8_t  tx_pwr;
    00208     uint8_t  cca_mode;
    00209     radio_state_t state;
    00210     radio_state_t idle_state;
    00211     uint8_t  *rxframe;
    00212     uint8_t  rxframesz;
    00213 } radio_status_t;
    00214
    00215 /* === Macros ================================================================ */
    00216
    00220 #define VOID_RSSI (0xff)
    00221
    00222 #if defined(DOXYGEN)
    00223
    00227 #  define RP_CHANNEL(x)
    00228 #elif defined __cplusplus
    00229 #  define RP_CHANNEL(x) phyCurrentChannel,radio_param_t((channel_t)x)
    00230 #else
    00231 #  define RP_CHANNEL(x) phyCurrentChannel,(radio_param_t){.channel=x}
    00232 #endif
    00233
    00234 #if defined(DOXYGEN)
    00235
    00239 #  define RP_TXPWR(x)
    00240 #elif defined __cplusplus
    00241 #  define RP_TXPWR(x)   phyTransmitPower,radio_param_t((txpwr_t)x)
    00242 #else
    00243 #  define RP_TXPWR(x)   phyTransmitPower,(radio_param_t){.tx_pwr=x}
    00244 #endif
    00245
    00246 #if defined(DOXYGEN)
    00247
    00251 #  define RP_IDLESTATE(x)
    00252 #elif defined __cplusplus
    00253 #  define RP_IDLESTATE(x)  phyIdleState,radio_param_t(x)
    00254 #else
    00255 #  define RP_IDLESTATE(x)  phyIdleState,(radio_param_t){.idle_state=x}
    00256 #endif
    00257
    00258 #if defined(DOXYGEN)
    00259
    00263 #  define RP_CCAMODE(x)
    00264 #elif defined __cplusplus
    00265 #  define RP_CCAMODE(x)  phyCCAMode,radio_param_t((ccamode_t)x)
    00266 #else
    00267 #  define RP_CCAMODE(x) phyCCAMode,(radio_param_t){.cca_mode=x}
    00268 #endif
    00269
    00270 #if defined(DOXYGEN)
    00271
    00275 #  define RP_PANID(x)
    00276 #elif defined __cplusplus
    00277 #  define RP_PANID(x) phyPanId,radio_param_t((uint16_t)x)
    00278 #else
    00279 #  define RP_PANID(x) phyPanId,(radio_param_t){.pan_id=x}
    00280 #endif
    00281
    00282 #if defined(DOXYGEN)
    00283
    00287 #  define RP_SHORTADDR(x)
    00288 #elif defined __cplusplus
    00289 #  define RP_SHORTADDR(x) phyShortAddr,radio_param_t((uint16_t)x)
    00290 #else
    00291 #  define RP_SHORTADDR(x) phyShortAddr,(radio_param_t){.short_addr=x}
    00292 #endif
    00293
    00294 #if defined(DOXYGEN)
    00295
    00299 #  define RP_LONGADDR(x)
    00300 #elif defined __cplusplus
    00301 #  define RP_LONGADDR(x) phyLongAddr,radio_param_t((uint64_t *)x)
    00302 #else
    00303 #  define RP_LONGADDR(x) phyLongAddr,(radio_param_t){.long_addr=x}
    00304 #endif
    00305
    00306
    00307 #if defined(DOXYGEN)
    00308
    00312 #  define RP_DATARATE(x)
    00313 #elif defined __cplusplus
    00314 #  define RP_DATARATE(x) phyDataRate,radio_param_t((uint16_t)x)
    00315 #else
    00316 #  define RP_DATARATE(x) phyDataRate,(radio_param_t){.data_rate=x}
    00317 #endif
    00318
    00319
    00320 #define CRC_CCITT_UPDATE(crc, data) _crc_ccitt_update(crc, data)
    00321
    00322 #ifndef RADIO_CFG_EEOFFSET
    00323
    00324 #define RADIO_CFG_EEOFFSET (8)
    00325 #endif
    00326
    00327 #ifndef RADIO_CFG_DATA
    00328
    00329 #define RADIO_CFG_DATA {chan: 16, txp: 0, cca: 1, edt: 11, clkm: 0, crc: 0xab12}
    00330 #endif
    00331
    00332 /* === Prototypes ============================================================ */
    00333 #ifdef __cplusplus
    00334 extern "C" {
    00335 #endif
    00336
    00337
    00352 void radio_init(uint8_t * rxbuf, uint8_t rxbufsz);
    00353
    00354
    00360 void radio_force_state(radio_state_t state);
    00361
    00362
    00367 void radio_set_state(radio_state_t state);
    00368
    00392 void radio_set_param(radio_attribute_t attr, radio_param_t parm);
    00393
    00412 void radio_send_frame(uint8_t len, uint8_t *frm, uint8_t compcrc);
    00413
    00414
    00419 radio_cca_t radio_do_cca(void);
    00420
    00421
    00422
    00423 int radio_putchar(int c);
    00424 int radio_getchar(void);
    00425
    00426
    00427
    00428 /* application call back functions to radio library */
    00429
    00430
    00439 void usr_radio_error(radio_error_t err);
    00440
    00446 void usr_radio_irq(uint8_t cause);
    00447
    00473 uint8_t * usr_radio_receive_frame(uint8_t len, uint8_t *frm, uint8_t lqi, int8_t ed, uint8_t crc_fail);
    00474
    00475
    00481 void usr_radio_tx_done(radio_tx_done_t status);
    00482
    00483
    00484 #ifdef __cplusplus
    00485 } /* extern "C" */
    00486 #endif
    00487
    00488
    00492 #endif  /* #ifndef RADIO_H */
    00493 /* EOF */