| /* |
| * freq.c |
| * |
| * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name Texas Instruments 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 COPYRIGHT HOLDERS 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 COPYRIGHT |
| * OWNER 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. |
| */ |
| |
| /** \file freq.c |
| * \brief frequency to channel (and vice versa) conversion implementation |
| * |
| * \see freq.h |
| */ |
| |
| |
| #define __FILE_ID__ FILE_ID_126 |
| #include "osTIType.h" |
| |
| #define CHAN_FREQ_TABLE_SIZE (sizeof(ChanFreq) / sizeof(CHAN_FREQ)) |
| |
| typedef struct { |
| TI_UINT8 chan; |
| TI_UINT32 freq; |
| } CHAN_FREQ; |
| |
| static CHAN_FREQ ChanFreq[] = { |
| {1, 2412000}, |
| {2, 2417000}, |
| {3, 2422000}, |
| {4, 2427000}, |
| {5, 2432000}, |
| {6, 2437000}, |
| {7, 2442000}, |
| {8, 2447000}, |
| {9, 2452000}, |
| {10, 2457000}, |
| {11, 2462000}, |
| {12, 2467000}, |
| {13, 2472000}, |
| {14, 2484000}, |
| {34, 5170000}, |
| {36, 5180000}, |
| {38, 5190000}, |
| {40, 5200000}, |
| {42, 5210000}, |
| {44, 5220000}, |
| {46, 5230000}, |
| {48, 5240000}, |
| {52, 5260000}, |
| {56, 5280000}, |
| {60, 5300000}, |
| {64, 5320000}, |
| {100,5500000}, |
| {104,5520000}, |
| {108,5540000}, |
| {112,5560000}, |
| {116,5580000}, |
| {120,5600000}, |
| {124,5620000}, |
| {128,5640000}, |
| {132,5660000}, |
| {136,5680000}, |
| {140,5700000}, |
| {149,5745000}, |
| {153,5765000}, |
| {157,5785000}, |
| {161,5805000} |
| }; |
| |
| TI_UINT8 Freq2Chan (TI_UINT32 freq) |
| { |
| TI_UINT32 i; |
| |
| for (i = 0; i < CHAN_FREQ_TABLE_SIZE; i++) |
| { |
| if (ChanFreq[ i ].freq == freq) |
| { |
| return ChanFreq[ i ].chan; |
| } |
| } |
| |
| return 0; |
| } |
| |
| |
| TI_UINT32 Chan2Freq (TI_UINT8 chan) |
| { |
| TI_UINT32 i; |
| |
| for (i = 0; i < CHAN_FREQ_TABLE_SIZE; i++) |
| { |
| if (ChanFreq[ i ].chan == chan) |
| { |
| return ChanFreq[ i ].freq; |
| } |
| } |
| |
| return 0; |
| } |
| |