diff options
Diffstat (limited to 'usrp2/firmware/lib/db_wbxng.c')
| -rw-r--r-- | usrp2/firmware/lib/db_wbxng.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/usrp2/firmware/lib/db_wbxng.c b/usrp2/firmware/lib/db_wbxng.c index 115ac8a24..954633da2 100644 --- a/usrp2/firmware/lib/db_wbxng.c +++ b/usrp2/firmware/lib/db_wbxng.c @@ -29,6 +29,9 @@ #include <stdio.h> #include <stdint.h> +#define min(X,Y) ((X) < (Y) ? (X) : (Y)) +#define max(X,Y) ((X) > (Y) ? (X) : (Y)) + bool wbxng_init_rx(struct db_base *dbb); bool wbxng_init_tx(struct db_base *dbb); bool wbxng_set_freq(struct db_base *dbb, u2_fxpt_freq_t freq, u2_fxpt_freq_t *dc); @@ -45,7 +48,7 @@ struct db_wbxng_rx db_wbxng_rx = { .base.is_tx = false, .base.output_enables = RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5|PLL_CE|PLL_PDBRF|ATTN_MASK, .base.used_pins = 0xFFFF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(67.5e6), + .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(68.75e6), .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2200e6), .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(31.5), @@ -81,7 +84,7 @@ struct db_wbxng_tx db_wbxng_tx = { .base.is_tx = true, .base.output_enables = RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5|PLL_CE|PLL_PDBRF, .base.used_pins = 0xFFFF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(67.5e6), + .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(68.75e6), .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2200e6), .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(25), @@ -149,8 +152,11 @@ wbxng_init_rx(struct db_base *dbb) bool wbxng_set_freq(struct db_base *dbb, u2_fxpt_freq_t freq, u2_fxpt_freq_t *dc) { - bool ok = adf4350_set_freq(2*freq,dbb); - *dc = adf4350_get_freq(dbb)/2; + // clamp freq + u2_fxpt_freq_t clamp_freq = max(dbb->freq_min, min(freq, dbb->freq_max)); + //printf("Requested LO freq = %u", (uint32_t) ((clamp_freq >> U2_FPF_RP)/1000)); + bool ok = adf4350_set_freq(clamp_freq<<1,dbb); + *dc = adf4350_get_freq(dbb)>>1; return ok; } |