diff options
Diffstat (limited to 'src/osmo-bts-trx/gsm0503_mapping.c')
| -rw-r--r-- | src/osmo-bts-trx/gsm0503_mapping.c | 202 |
1 files changed, 201 insertions, 1 deletions
diff --git a/src/osmo-bts-trx/gsm0503_mapping.c b/src/osmo-bts-trx/gsm0503_mapping.c index bdaddcef..1937070b 100644 --- a/src/osmo-bts-trx/gsm0503_mapping.c +++ b/src/osmo-bts-trx/gsm0503_mapping.c @@ -6,7 +6,8 @@ #include "gsm0503_mapping.h" -void gsm0503_xcch_burst_unmap(sbit_t *iB, sbit_t *eB, sbit_t *hl, sbit_t *hn) +void gsm0503_xcch_burst_unmap(sbit_t *iB, const sbit_t *eB, + sbit_t *hl, sbit_t *hn) { memcpy(iB, eB, 57); memcpy(iB+57, eB+59, 57); @@ -70,3 +71,202 @@ void gsm0503_tch_burst_map(ubit_t *iB, ubit_t *eB, const ubit_t *h, int odd) } } +void gsm0503_mcs5_dl_burst_map(const ubit_t *di, ubit_t *eB, + const ubit_t *hi, const ubit_t *up, int B) +{ + int j; + int q[8] = { 0, 0, 0, 0, 0, 0, 0, 0, }; + + for (j=0; j<156; j++) + eB[j] = di[312*B+j]; + for (j=156; j<168; j++) + eB[j] = hi[25*B+j-156]; + for (j=168; j<174; j++) + eB[j] = up[9*B+j-168]; + for (j=174; j<176; j++) + eB[j] = q[2*B+j-174]; + for (j=176; j<179; j++) + eB[j] = up[9*B+j-170]; + for (j=179; j<192; j++) + eB[j] = hi[25*B+j-167]; + for (j=192; j<348; j++) + eB[j] = di[312*B+j-36]; +} + +void gsm0503_mcs5_dl_burst_unmap(sbit_t *di, const sbit_t *eB, + sbit_t *hi, sbit_t *up, int B) +{ + int j; + + for (j=0; j<156; j++) + di[312*B+j] = eB[j]; + for (j=156; j<168; j++) + hi[25*B+j-156] = eB[j]; + for (j=168; j<174; j++) + up[9*B+j-168] = eB[j]; + + for (j=176; j<179; j++) + up[9*B+j-170] = eB[j]; + for (j=179; j<192; j++) + hi[25*B+j-167] = eB[j]; + for (j=192; j<348; j++) + di[312*B+j-36] = eB[j]; +} + +void gsm0503_mcs5_ul_burst_map(const ubit_t *di, ubit_t *eB, + const ubit_t *hi, int B) +{ + int j; + + for (j=0; j<156; j++) + eB[j] = di[312*B+j]; + for (j=156; j<174; j++) + eB[j] = hi[34*B+j-156]; + for (j=174; j<176; j++) + eB[j] = 0; + for (j=176; j<192; j++) + eB[j] = hi[34*B+j-158]; + for (j=192; j<348; j++) + eB[j] = di[312*B+j-36]; +} + +void gsm0503_mcs5_ul_burst_unmap(sbit_t *di, const sbit_t *eB, + sbit_t *hi, int B) +{ + int j; + + for (j=0; j<156; j++) + di[312*B+j] = eB[j]; + for (j=156; j<174; j++) + hi[34*B+j-156] = eB[j]; + for (j=176; j<192; j++) + hi[34*B+j-158] = eB[j]; + for (j=192; j<348; j++) + di[312*B+j-36] = eB[j]; +} + +void gsm0503_mcs7_dl_burst_map(const ubit_t *di, ubit_t *eB, + const ubit_t *hi, const ubit_t *up, int B) +{ + int j; + int q[8] = { 1, 1, 1, 0, 0, 1, 1, 1, }; + + for (j=0; j<153; j++) + eB[j] = di[306*B+j]; + for (j=153; j<168; j++) + eB[j] = hi[31*B+j-153]; + for (j=168; j<174; j++) + eB[j] = up[9*B+j-168]; + for (j=174; j<176; j++) + eB[j] = q[2*B+j-174]; + for (j=176; j<179; j++) + eB[j] = up[9*B+j-170]; + for (j=179; j<195; j++) + eB[j] = hi[31*B+j-164]; + for (j=195; j<348; j++) + eB[j] = di[306*B+j-42]; +} + +void gsm0503_mcs7_dl_burst_unmap(sbit_t *di, const sbit_t *eB, + sbit_t *hi, sbit_t *up, int B) +{ + int j; + + for (j=0; j<153; j++) + di[306*B+j] = eB[j]; + for (j=153; j<168; j++) + hi[31*B+j-153] = eB[j]; + for (j=168; j<174; j++) + up[9*B+j-168] = eB[j]; + + for (j=176; j<179; j++) + up[9*B+j-170] = eB[j]; + for (j=179; j<195; j++) + hi[31*B+j-164] = eB[j]; + for (j=195; j<348; j++) + di[306*B+j-42] = eB[j]; +} + +void gsm0503_mcs7_ul_burst_map(const ubit_t *di, ubit_t *eB, + const ubit_t *hi, int B) +{ + int j; + int q[8] = { 1, 1, 1, 0, 0, 1, 1, 1, }; + + for (j=0; j<153; j++) + eB[j] = di[306*B+j]; + for (j=153; j<174; j++) + eB[j] = hi[40*B+j-153]; + for (j=174; j<176; j++) + eB[j] = q[2*B+j-174]; + for (j=176; j<195; j++) + eB[j] = hi[40*B+j-155]; + for (j=195; j<348; j++) + eB[j] = di[306*B+j-42]; +} + +void gsm0503_mcs7_ul_burst_unmap(sbit_t *di, const sbit_t *eB, + sbit_t *hi, int B) +{ + int j; + + for (j=0; j<153; j++) + di[306*B+j] = eB[j]; + for (j=153; j<174; j++) + hi[40*B+j-153] = eB[j]; + + for (j=176; j<195; j++) + hi[40*B+j-155] = eB[j]; + for (j=195; j<348; j++) + di[306*B+j-42] = eB[j]; +} + +void gsm0503_mcs5_burst_swap(sbit_t *eB) +{ + sbit_t t[14]; + + t[0] = eB[155]; + t[1] = eB[158]; + t[2] = eB[161]; + t[3] = eB[164]; + t[4] = eB[167]; + t[5] = eB[170]; + t[6] = eB[173]; + t[7] = eB[195]; + t[8] = eB[196]; + t[9] = eB[198]; + t[10] = eB[199]; + t[11] = eB[201]; + t[12] = eB[202]; + t[13] = eB[204]; + + eB[155] = eB[142]; + eB[158] = eB[144]; + eB[161] = eB[145]; + eB[164] = eB[147]; + eB[167] = eB[148]; + eB[170] = eB[150]; + eB[173] = eB[151]; + eB[195] = eB[176]; + eB[196] = eB[179]; + eB[198] = eB[182]; + eB[199] = eB[185]; + eB[201] = eB[188]; + eB[202] = eB[191]; + eB[204] = eB[194]; + + eB[142] = t[0]; + eB[144] = t[1]; + eB[145] = t[2]; + eB[147] = t[3]; + eB[148] = t[4]; + eB[150] = t[5]; + eB[151] = t[6]; + eB[176] = t[7]; + eB[179] = t[8]; + eB[182] = t[9]; + eB[185] = t[10]; + eB[188] = t[11]; + eB[191] = t[12]; + eB[194] = t[13]; +} |