| | |
| | | #define NUM_64M_OFFSET (26) |
| | | #define NUM_64M_OFFSETWB (59) |
| | | |
| | | const uint8 chan_idxnb[NUM_CH_SUPPORTED] = {0, 0, 1, 2, 0, 3, 0, 0}; // Only channels 1,2,3 and 5 are in the narrow band tables |
| | | const uint8 chan_idxwb[NUM_CH_SUPPORTED] = {0, 0, 0, 0, 0, 0, 0, 1}; // Only channels 4 and 7 are in in the wide band tables |
| | | const uint8_t chan_idxnb[NUM_CH_SUPPORTED] = {0, 0, 1, 2, 0, 3, 0, 0}; // Only channels 1,2,3 and 5 are in the narrow band tables |
| | | const uint8_t chan_idxwb[NUM_CH_SUPPORTED] = {0, 0, 0, 0, 0, 0, 0, 1}; // Only channels 4 and 7 are in in the wide band tables |
| | | |
| | | //--------------------------------------------------------------------------------------------------------------------------- |
| | | // Range Bias Correction TABLES of range values in integer units of 25 CM, for 8-bit unsigned storage, MUST END IN 255 !!!!!! |
| | |
| | | // range25cm16PRFnb: Range Bias Correction table for narrow band channels at 16 MHz PRF, NB: !!!! each MUST END IN 255 !!!! |
| | | //--------------------------------------------------------------------------------------------------------------------------- |
| | | |
| | | const uint8 range25cm16PRFnb[4][NUM_16M_OFFSET] = |
| | | const uint8_t range25cm16PRFnb[4][NUM_16M_OFFSET] = |
| | | { |
| | | // Ch 1 - range25cm16PRFnb |
| | | { |
| | | 1, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 9, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 18, |
| | | 20, |
| | | 23, |
| | | 25, |
| | | 28, |
| | | 30, |
| | | 33, |
| | | 36, |
| | | 40, |
| | | 43, |
| | | 47, |
| | | 50, |
| | | 54, |
| | | 58, |
| | | 63, |
| | | 66, |
| | | 71, |
| | | 76, |
| | | 82, |
| | | 89, |
| | | 98, |
| | | 109, |
| | | 127, |
| | | 155, |
| | | 222, |
| | | 255, |
| | | 255 |
| | | 1, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 9, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 18, |
| | | 20, |
| | | 23, |
| | | 25, |
| | | 28, |
| | | 30, |
| | | 33, |
| | | 36, |
| | | 40, |
| | | 43, |
| | | 47, |
| | | 50, |
| | | 54, |
| | | 58, |
| | | 63, |
| | | 66, |
| | | 71, |
| | | 76, |
| | | 82, |
| | | 89, |
| | | 98, |
| | | 109, |
| | | 127, |
| | | 155, |
| | | 222, |
| | | 255, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 2 - range25cm16PRFnb |
| | | { |
| | | 1, |
| | | 2, |
| | | 4, |
| | | 5, |
| | | 6, |
| | | 8, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 18, |
| | | 20, |
| | | 22, |
| | | 24, |
| | | 27, |
| | | 29, |
| | | 32, |
| | | 35, |
| | | 38, |
| | | 41, |
| | | 44, |
| | | 47, |
| | | 51, |
| | | 55, |
| | | 58, |
| | | 62, |
| | | 66, |
| | | 71, |
| | | 78, |
| | | 85, |
| | | 96, |
| | | 111, |
| | | 135, |
| | | 194, |
| | | 240, |
| | | 255 |
| | | 1, |
| | | 2, |
| | | 4, |
| | | 5, |
| | | 6, |
| | | 8, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 18, |
| | | 20, |
| | | 22, |
| | | 24, |
| | | 27, |
| | | 29, |
| | | 32, |
| | | 35, |
| | | 38, |
| | | 41, |
| | | 44, |
| | | 47, |
| | | 51, |
| | | 55, |
| | | 58, |
| | | 62, |
| | | 66, |
| | | 71, |
| | | 78, |
| | | 85, |
| | | 96, |
| | | 111, |
| | | 135, |
| | | 194, |
| | | 240, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 3 - range25cm16PRFnb |
| | | { |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 14, |
| | | 16, |
| | | 18, |
| | | 20, |
| | | 22, |
| | | 24, |
| | | 26, |
| | | 28, |
| | | 31, |
| | | 33, |
| | | 36, |
| | | 39, |
| | | 42, |
| | | 45, |
| | | 49, |
| | | 52, |
| | | 55, |
| | | 59, |
| | | 63, |
| | | 69, |
| | | 76, |
| | | 85, |
| | | 98, |
| | | 120, |
| | | 173, |
| | | 213, |
| | | 255 |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 14, |
| | | 16, |
| | | 18, |
| | | 20, |
| | | 22, |
| | | 24, |
| | | 26, |
| | | 28, |
| | | 31, |
| | | 33, |
| | | 36, |
| | | 39, |
| | | 42, |
| | | 45, |
| | | 49, |
| | | 52, |
| | | 55, |
| | | 59, |
| | | 63, |
| | | 69, |
| | | 76, |
| | | 85, |
| | | 98, |
| | | 120, |
| | | 173, |
| | | 213, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 5 - range25cm16PRFnb |
| | | { |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 6, |
| | | 6, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 11, |
| | | 12, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 18, |
| | | 20, |
| | | 21, |
| | | 23, |
| | | 25, |
| | | 27, |
| | | 29, |
| | | 31, |
| | | 34, |
| | | 36, |
| | | 38, |
| | | 41, |
| | | 44, |
| | | 48, |
| | | 53, |
| | | 59, |
| | | 68, |
| | | 83, |
| | | 120, |
| | | 148, |
| | | 255 |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 6, |
| | | 6, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 11, |
| | | 12, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 18, |
| | | 20, |
| | | 21, |
| | | 23, |
| | | 25, |
| | | 27, |
| | | 29, |
| | | 31, |
| | | 34, |
| | | 36, |
| | | 38, |
| | | 41, |
| | | 44, |
| | | 48, |
| | | 53, |
| | | 59, |
| | | 68, |
| | | 83, |
| | | 120, |
| | | 148, |
| | | 255 |
| | | } |
| | | }; // end range25cm16PRFnb |
| | | |
| | |
| | | // range25cm16PRFwb: Range Bias Correction table for wide band channels at 16 MHz PRF, NB: !!!! each MUST END IN 255 !!!! |
| | | //--------------------------------------------------------------------------------------------------------------------------- |
| | | |
| | | const uint8 range25cm16PRFwb[2][NUM_16M_OFFSETWB] = |
| | | const uint8_t range25cm16PRFwb[2][NUM_16M_OFFSETWB] = |
| | | { |
| | | // Ch 4 - range25cm16PRFwb |
| | | { |
| | | 7, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 11, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 23, |
| | | 24, |
| | | 26, |
| | | 27, |
| | | 28, |
| | | 30, |
| | | 31, |
| | | 32, |
| | | 34, |
| | | 36, |
| | | 38, |
| | | 40, |
| | | 42, |
| | | 44, |
| | | 46, |
| | | 48, |
| | | 50, |
| | | 52, |
| | | 55, |
| | | 57, |
| | | 59, |
| | | 61, |
| | | 63, |
| | | 66, |
| | | 68, |
| | | 71, |
| | | 74, |
| | | 78, |
| | | 81, |
| | | 85, |
| | | 89, |
| | | 94, |
| | | 99, |
| | | 104, |
| | | 110, |
| | | 116, |
| | | 123, |
| | | 130, |
| | | 139, |
| | | 150, |
| | | 164, |
| | | 182, |
| | | 207, |
| | | 238, |
| | | 255, |
| | | 255, |
| | | 255, |
| | | 255, |
| | | 255 |
| | | 7, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 11, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 23, |
| | | 24, |
| | | 26, |
| | | 27, |
| | | 28, |
| | | 30, |
| | | 31, |
| | | 32, |
| | | 34, |
| | | 36, |
| | | 38, |
| | | 40, |
| | | 42, |
| | | 44, |
| | | 46, |
| | | 48, |
| | | 50, |
| | | 52, |
| | | 55, |
| | | 57, |
| | | 59, |
| | | 61, |
| | | 63, |
| | | 66, |
| | | 68, |
| | | 71, |
| | | 74, |
| | | 78, |
| | | 81, |
| | | 85, |
| | | 89, |
| | | 94, |
| | | 99, |
| | | 104, |
| | | 110, |
| | | 116, |
| | | 123, |
| | | 130, |
| | | 139, |
| | | 150, |
| | | 164, |
| | | 182, |
| | | 207, |
| | | 238, |
| | | 255, |
| | | 255, |
| | | 255, |
| | | 255, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 7 - range25cm16PRFwb |
| | | { |
| | | 4, |
| | | 5, |
| | | 5, |
| | | 5, |
| | | 6, |
| | | 6, |
| | | 7, |
| | | 7, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 10, |
| | | 11, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 23, |
| | | 25, |
| | | 26, |
| | | 27, |
| | | 29, |
| | | 30, |
| | | 31, |
| | | 32, |
| | | 34, |
| | | 35, |
| | | 36, |
| | | 38, |
| | | 39, |
| | | 40, |
| | | 42, |
| | | 44, |
| | | 46, |
| | | 48, |
| | | 50, |
| | | 52, |
| | | 55, |
| | | 58, |
| | | 61, |
| | | 64, |
| | | 68, |
| | | 72, |
| | | 75, |
| | | 80, |
| | | 85, |
| | | 92, |
| | | 101, |
| | | 112, |
| | | 127, |
| | | 147, |
| | | 168, |
| | | 182, |
| | | 194, |
| | | 205, |
| | | 255 |
| | | 4, |
| | | 5, |
| | | 5, |
| | | 5, |
| | | 6, |
| | | 6, |
| | | 7, |
| | | 7, |
| | | 7, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 10, |
| | | 11, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 23, |
| | | 25, |
| | | 26, |
| | | 27, |
| | | 29, |
| | | 30, |
| | | 31, |
| | | 32, |
| | | 34, |
| | | 35, |
| | | 36, |
| | | 38, |
| | | 39, |
| | | 40, |
| | | 42, |
| | | 44, |
| | | 46, |
| | | 48, |
| | | 50, |
| | | 52, |
| | | 55, |
| | | 58, |
| | | 61, |
| | | 64, |
| | | 68, |
| | | 72, |
| | | 75, |
| | | 80, |
| | | 85, |
| | | 92, |
| | | 101, |
| | | 112, |
| | | 127, |
| | | 147, |
| | | 168, |
| | | 182, |
| | | 194, |
| | | 205, |
| | | 255 |
| | | } |
| | | }; // end range25cm16PRFwb |
| | | |
| | |
| | | // range25cm64PRFnb: Range Bias Correction table for narrow band channels at 64 MHz PRF, NB: !!!! each MUST END IN 255 !!!! |
| | | //--------------------------------------------------------------------------------------------------------------------------- |
| | | |
| | | const uint8 range25cm64PRFnb[4][NUM_64M_OFFSET] = |
| | | const uint8_t range25cm64PRFnb[4][NUM_64M_OFFSET] = |
| | | { |
| | | // Ch 1 - range25cm64PRFnb |
| | | { |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 10, |
| | | 13, |
| | | 16, |
| | | 19, |
| | | 22, |
| | | 24, |
| | | 27, |
| | | 30, |
| | | 32, |
| | | 35, |
| | | 38, |
| | | 43, |
| | | 48, |
| | | 56, |
| | | 78, |
| | | 101, |
| | | 120, |
| | | 157, |
| | | 255 |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 7, |
| | | 10, |
| | | 13, |
| | | 16, |
| | | 19, |
| | | 22, |
| | | 24, |
| | | 27, |
| | | 30, |
| | | 32, |
| | | 35, |
| | | 38, |
| | | 43, |
| | | 48, |
| | | 56, |
| | | 78, |
| | | 101, |
| | | 120, |
| | | 157, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 2 - range25cm64PRFnb |
| | | { |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 4, |
| | | 6, |
| | | 9, |
| | | 12, |
| | | 14, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 24, |
| | | 26, |
| | | 28, |
| | | 31, |
| | | 33, |
| | | 37, |
| | | 42, |
| | | 49, |
| | | 68, |
| | | 89, |
| | | 105, |
| | | 138, |
| | | 255 |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 4, |
| | | 6, |
| | | 9, |
| | | 12, |
| | | 14, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 24, |
| | | 26, |
| | | 28, |
| | | 31, |
| | | 33, |
| | | 37, |
| | | 42, |
| | | 49, |
| | | 68, |
| | | 89, |
| | | 105, |
| | | 138, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 3 - range25cm64PRFnb |
| | | { |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 8, |
| | | 10, |
| | | 13, |
| | | 15, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 23, |
| | | 25, |
| | | 27, |
| | | 30, |
| | | 33, |
| | | 37, |
| | | 44, |
| | | 60, |
| | | 79, |
| | | 93, |
| | | 122, |
| | | 255 |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 3, |
| | | 3, |
| | | 4, |
| | | 5, |
| | | 8, |
| | | 10, |
| | | 13, |
| | | 15, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 23, |
| | | 25, |
| | | 27, |
| | | 30, |
| | | 33, |
| | | 37, |
| | | 44, |
| | | 60, |
| | | 79, |
| | | 93, |
| | | 122, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 5 - range25cm64PRFnb |
| | | { |
| | | 1, |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 6, |
| | | 7, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 23, |
| | | 26, |
| | | 30, |
| | | 42, |
| | | 55, |
| | | 65, |
| | | 85, |
| | | 255 |
| | | 1, |
| | | 1, |
| | | 1, |
| | | 2, |
| | | 2, |
| | | 3, |
| | | 4, |
| | | 6, |
| | | 7, |
| | | 9, |
| | | 10, |
| | | 12, |
| | | 13, |
| | | 15, |
| | | 16, |
| | | 17, |
| | | 19, |
| | | 21, |
| | | 23, |
| | | 26, |
| | | 30, |
| | | 42, |
| | | 55, |
| | | 65, |
| | | 85, |
| | | 255 |
| | | } |
| | | }; // end range25cm64PRFnb |
| | | |
| | |
| | | // range25cm64PRFwb: Range Bias Correction table for wide band channels at 64 MHz PRF, NB: !!!! each MUST END IN 255 !!!! |
| | | //--------------------------------------------------------------------------------------------------------------------------- |
| | | |
| | | const uint8 range25cm64PRFwb[2][NUM_64M_OFFSETWB] = |
| | | const uint8_t range25cm64PRFwb[2][NUM_64M_OFFSETWB] = |
| | | { |
| | | // Ch 4 - range25cm64PRFwb |
| | | { |
| | | 7, |
| | | 8, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 16, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 24, |
| | | 25, |
| | | 27, |
| | | 28, |
| | | 29, |
| | | 30, |
| | | 32, |
| | | 33, |
| | | 34, |
| | | 35, |
| | | 37, |
| | | 39, |
| | | 41, |
| | | 43, |
| | | 45, |
| | | 48, |
| | | 50, |
| | | 53, |
| | | 56, |
| | | 60, |
| | | 64, |
| | | 68, |
| | | 74, |
| | | 81, |
| | | 89, |
| | | 98, |
| | | 109, |
| | | 122, |
| | | 136, |
| | | 146, |
| | | 154, |
| | | 162, |
| | | 178, |
| | | 220, |
| | | 249, |
| | | 255, |
| | | 255, |
| | | 255 |
| | | 7, |
| | | 8, |
| | | 8, |
| | | 9, |
| | | 9, |
| | | 10, |
| | | 11, |
| | | 12, |
| | | 13, |
| | | 13, |
| | | 14, |
| | | 15, |
| | | 16, |
| | | 16, |
| | | 17, |
| | | 18, |
| | | 19, |
| | | 19, |
| | | 20, |
| | | 21, |
| | | 22, |
| | | 24, |
| | | 25, |
| | | 27, |
| | | 28, |
| | | 29, |
| | | 30, |
| | | 32, |
| | | 33, |
| | | 34, |
| | | 35, |
| | | 37, |
| | | 39, |
| | | 41, |
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| | | 154, |
| | | 162, |
| | | 178, |
| | | 220, |
| | | 249, |
| | | 255, |
| | | 255, |
| | | 255 |
| | | }, |
| | | |
| | | // Ch 7 - range25cm64PRFwb |
| | | { |
| | | 4, |
| | | 5, |
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| | | 46, |
| | | 50, |
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| | | 60, |
| | | 67, |
| | | 75, |
| | | 83, |
| | | 90, |
| | | 95, |
| | | 100, |
| | | 110, |
| | | 135, |
| | | 153, |
| | | 172, |
| | | 192, |
| | | 255 |
| | | 4, |
| | | 5, |
| | | 5, |
| | | 5, |
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| | | 46, |
| | | 50, |
| | | 54, |
| | | 60, |
| | | 67, |
| | | 75, |
| | | 83, |
| | | 90, |
| | | 95, |
| | | 100, |
| | | 110, |
| | | 135, |
| | | 153, |
| | | 172, |
| | | 192, |
| | | 255 |
| | | } |
| | | }; // end range25cm64PRFwb |
| | | |
| | |
| | | * |
| | | * @brief This function is used to return the range bias correction need for TWR with DW1000 units. |
| | | * |
| | | * input parameters: |
| | | * @param chan - specifies the operating channel (e.g. 1, 2, 3, 4, 5, 6 or 7) |
| | | * input parameters: |
| | | * @param chan - specifies the operating channel (e.g. 1, 2, 3, 4, 5, 6 or 7) |
| | | * @param range - the calculated distance before correction |
| | | * @param prf - this is the PRF e.g. DWT_PRF_16M or DWT_PRF_64M |
| | | * |
| | |
| | | * |
| | | * returns correction needed in meters |
| | | */ |
| | | double dwt_getrangebias(uint8 chan, float range, uint8 prf) |
| | | double dwt_getrangebias(uint8_t chan, float range, uint8_t prf) |
| | | { |
| | | // First get the lookup index that corresponds to given range for a particular channel at 16M PRF |
| | | int i = 0 ; |
| | |
| | | { |
| | | switch(chan) |
| | | { |
| | | case 4: |
| | | case 7: |
| | | { |
| | | chanIdx = chan_idxwb[chan]; |
| | | while (rangeint25cm > range25cm16PRFwb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_16M_WB ; // Nearest centimetre correction |
| | | } |
| | | break; |
| | | default: |
| | | { |
| | | chanIdx = chan_idxnb[chan]; |
| | | while (rangeint25cm > range25cm16PRFnb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_16M_NB ; // Nearest centimetre correction |
| | | } |
| | | case 4: |
| | | case 7: |
| | | { |
| | | chanIdx = chan_idxwb[chan]; |
| | | while (rangeint25cm > range25cm16PRFwb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_16M_WB ; // Nearest centimetre correction |
| | | } |
| | | break; |
| | | default: |
| | | { |
| | | chanIdx = chan_idxnb[chan]; |
| | | while (rangeint25cm > range25cm16PRFnb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_16M_NB ; // Nearest centimetre correction |
| | | } |
| | | }//end of switch |
| | | } |
| | | else // 64M PRF |
| | | { |
| | | switch(chan) |
| | | { |
| | | case 4: |
| | | case 7: |
| | | { |
| | | chanIdx = chan_idxwb[chan]; |
| | | while (rangeint25cm > range25cm64PRFwb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_64M_WB ; // Nearest centimetre correction |
| | | } |
| | | break; |
| | | default: |
| | | { |
| | | chanIdx = chan_idxnb[chan]; |
| | | while (rangeint25cm > range25cm64PRFnb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_64M_NB ; // Nearest centimetre correction |
| | | } |
| | | case 4: |
| | | case 7: |
| | | { |
| | | chanIdx = chan_idxwb[chan]; |
| | | while (rangeint25cm > range25cm64PRFwb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_64M_WB ; // Nearest centimetre correction |
| | | } |
| | | break; |
| | | default: |
| | | { |
| | | chanIdx = chan_idxnb[chan]; |
| | | while (rangeint25cm > range25cm64PRFnb[chanIdx][i]) i++ ; // Find index in table corresponding to range |
| | | cmoffseti = i + CM_OFFSET_64M_NB ; // Nearest centimetre correction |
| | | } |
| | | }//end of switch |
| | | } // end else |
| | | |