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calibration (RX) for LimeSDR. Use of new API for RF gains.

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This commit is contained in:
Raymond.Knopp
2017-03-09 02:43:31 +01:00
parent aefb958a6f
commit 4342595ea8
2 changed files with 20 additions and 20 deletions
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targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
+14 -14
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@@ -134,15 +134,15 @@ int trx_lms_set_gains(openair0_device* device, openair0_config_t *openair0_cfg)
int ret=0;
double rxg_ratio = openair0_cfg[0].rx_gain[0]/openair0_cfg[0].rx_gain_offset[0];
if (rxg_ratio > 1) {
printf("[LMS] Reduce RX Gain 0 by %f dB\n",openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
// double rxg_ratio = openair0_cfg[0].rx_gain[0]/openair0_cfg[0].rx_gain_offset[0];
if (openair0_cfg->rx_gain[0] > 70+openair0_cfg->rx_gain_offset[0]) {
printf("[LMS] Reduce RX Gain 0 by %f dB\n",openair0_cfg->rx_gain[0]-openair0_cfg->rx_gain_offset[0]-70);
ret = -1;
rxg_ratio = 1;
// rxg_ratio = 1;
}
LMS_SetNormalizedGain(lms_device, LMS_CH_TX, 0, openair0_cfg[0].tx_gain[0]/100.0);
LMS_SetNormalizedGain(lms_device, LMS_CH_RX, 0, .8*rxg_ratio);
LMS_SetGaindB(lms_device, LMS_CH_TX, 0, openair0_cfg->tx_gain[0]);
LMS_SetGaindB(lms_device, LMS_CH_RX, 0, openair0_cfg->rx_gain[0]-openair0_cfg->rx_gain_offset[0]);
/*
// RX gains, use low-level setting
double gv = openair0_cfg[0].rx_gain[0] - openair0_cfg[0].rx_gain_offset[0];
@@ -309,18 +309,18 @@ int trx_lms_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,in
// V1.2 board
rx_gain_calib_table_t calib_table_lmssdr_1v2[] = {
{3500000000.0,44.0}, // on L PAD
{2660000000.0,62.0}, // on L PAD
{2300000000.0,62.0}, // on L PAD
{1880000000.0,64.0}, // on L PAD
{2660000000.0,55.0}, // on L PAD
{2300000000.0,54.0}, // on L PAD
{1880000000.0,54.0}, // on L PAD
{816000000.0,79.0}, // on W PAD
{-1,0}};
// V1.4 board
rx_gain_calib_table_t calib_table_lmssdr[] = {
{3500000000.0,97.0}, // on H PAD
{2660000000.0,110.0}, // on H PAD
{2300000000.0,106.0}, // on H PAD
{1880000000.0,106.0}, // on H PAD
{816000000.0,116.0}, // on W PAD
{3500000000.0,44.0}, // on H PAD
{2660000000.0,55.0}, // on H PAD
{2300000000.0,54.0}, // on H PAD
{1880000000.0,54.0}, // on H PAD
{816000000.0,79.0}, // on L PAD
{-1,0}};