port sdr_transceiver_ft8 to STEMlab 122.88-16 SDR

projects/sdr_transceiver_ft8/app/measure-corr.c

@@ -58,7 +58,7 @@ int main(int argc, char *argv[])
     buffer += *fifo + 1;
   }
 
-  corr = (125.0e6 * number / buffer - 1.0) * 1.0e6;
+  corr = (122.88e6 * number / buffer - 1.0) * 1.0e6;
 
   if(corr < -100.0 || corr > 100.0)
   {

projects/sdr_transceiver_ft8/app/write-c2-files.c

@@ -121,7 +121,7 @@ int main(int argc, char *argv[])
   for(i = 0; i < 8; ++i)
   {
     fifo[i] = mmap(NULL, 8*sysconf(_SC_PAGESIZE), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0x40002000 + i * 0x1000);
-    *(uint32_t *)(cfg + 8 + i * 4) = (uint32_t)floor((1.0 + 1.0e-6 * corr) * freq[i] / 125.0 * (1<<30) + 0.5);
+    *(uint32_t *)(cfg + 8 + i * 4) = (uint32_t)floor((1.0 + 1.0e-6 * corr) * freq[i] / 122.88 * (1<<30) + 0.5);
   }
 
   rst = (uint8_t *)(cfg + 0);

projects/sdr_transceiver_ft8/block_design.tcl

@@ -2,12 +2,12 @@
 cell xilinx.com:ip:clk_wiz:6.0 pll_0 {
   PRIMITIVE PLL
   PRIM_IN_FREQ.VALUE_SRC USER
-  PRIM_IN_FREQ 125.0
+  PRIM_IN_FREQ 122.88
   PRIM_SOURCE Differential_clock_capable_pin
   CLKOUT1_USED true
-  CLKOUT1_REQUESTED_OUT_FREQ 125.0
+  CLKOUT1_REQUESTED_OUT_FREQ 122.88
   CLKOUT2_USED true
-  CLKOUT2_REQUESTED_OUT_FREQ 250.0
+  CLKOUT2_REQUESTED_OUT_FREQ 245.76
   CLKOUT2_REQUESTED_PHASE -90.0
   USE_RESET false
 } {
@@ -40,7 +40,9 @@ cell xilinx.com:ip:proc_sys_reset:5.0 rst_0 {} {
 # ADC
 
 # Create axis_red_pitaya_adc
-cell pavel-demin:user:axis_red_pitaya_adc:2.0 adc_0 {} {
+cell pavel-demin:user:axis_red_pitaya_adc:2.0 adc_0 {
+  ADC_DATA_WIDTH 16
+} {
   aclk pll_0/clk_out1
   adc_dat_a adc_dat_a_i
   adc_dat_b adc_dat_b_i
@@ -50,7 +52,9 @@ cell pavel-demin:user:axis_red_pitaya_adc:2.0 adc_0 {} {
 # DAC
 
 # Create axis_red_pitaya_dac
-cell pavel-demin:user:axis_red_pitaya_dac:1.0 dac_0 {} {
+cell pavel-demin:user:axis_red_pitaya_dac:1.0 dac_0 {
+  DAC_DATA_WIDTH 14
+} {
   aclk pll_0/clk_out1
   ddr_clk pll_0/clk_out2
   locked pll_0/locked

projects/sdr_transceiver_ft8/filters/rx_fir_0.r

@@ -1,7 +1,7 @@
 library(signal)
 
 # CIC filter parameters
-R <- 125                       # Decimation factor
+R <- 120                       # Decimation factor
 M <- 1                         # Differential delay
 N <- 6                         # Number of stages
 
@@ -24,6 +24,8 @@ Mf <- c(Mp, matrix(0, 1, length(fs)))
 
 h <- fir2(L, f, Mf, window=kaiser(L+1, Beta))
 
+h <- h / sum(h)
+
 # Print filter coefficients
 paste(sprintf("%.10e", h), collapse=", ")
 

projects/sdr_transceiver_ft8/rx.tcl

@@ -33,7 +33,7 @@ for {set i 0} {$i <= 7} {incr i} {
 
   # Create dds_compiler
   cell xilinx.com:ip:dds_compiler:6.0 dds_$i {
-    DDS_CLOCK_RATE 125
+    DDS_CLOCK_RATE 122.88
     SPURIOUS_FREE_DYNAMIC_RANGE 138
     FREQUENCY_RESOLUTION 0.2
     PHASE_INCREMENT Streaming
@@ -73,7 +73,7 @@ for {set i 0} {$i <= 15} {incr i} {
     B_WIDTH.VALUE_SRC USER
     OUTPUT_PROPERTIES User_Defined
     A_WIDTH 24
-    B_WIDTH 14
+    B_WIDTH 16
     P_WIDTH 25
   } {
     A dds_slice_$i/dout
@@ -88,12 +88,12 @@ for {set i 0} {$i <= 15} {incr i} {
     FILTER_TYPE Decimation
     NUMBER_OF_STAGES 6
     SAMPLE_RATE_CHANGES Fixed
-    FIXED_OR_INITIAL_RATE 125
-    INPUT_SAMPLE_FREQUENCY 125
-    CLOCK_FREQUENCY 125
+    FIXED_OR_INITIAL_RATE 128
+    INPUT_SAMPLE_FREQUENCY 122.88
+    CLOCK_FREQUENCY 122.88
     INPUT_DATA_WIDTH 24
     QUANTIZATION Truncation
-    OUTPUT_DATA_WIDTH 24
+    OUTPUT_DATA_WIDTH 32
     USE_XTREME_DSP_SLICE false
     HAS_DOUT_TREADY true
     HAS_ARESETN true
@@ -109,7 +109,7 @@ for {set i 0} {$i <= 15} {incr i} {
 # Create axis_combiner
 cell  xilinx.com:ip:axis_combiner:1.1 comb_0 {
   TDATA_NUM_BYTES.VALUE_SRC USER
-  TDATA_NUM_BYTES 3
+  TDATA_NUM_BYTES 4
   NUM_SI 16
 } {
   S00_AXIS cic_0/M_AXIS_DATA
@@ -135,8 +135,8 @@ cell  xilinx.com:ip:axis_combiner:1.1 comb_0 {
 # Create axis_dwidth_converter
 cell xilinx.com:ip:axis_dwidth_converter:1.1 conv_0 {
   S_TDATA_NUM_BYTES.VALUE_SRC USER
-  S_TDATA_NUM_BYTES 48
-  M_TDATA_NUM_BYTES 3
+  S_TDATA_NUM_BYTES 64
+  M_TDATA_NUM_BYTES 4
 } {
   S_AXIS comb_0/M_AXIS
   aclk /pll_0/clk_out1
@@ -149,11 +149,11 @@ cell xilinx.com:ip:cic_compiler:4.0 cic_16 {
   FILTER_TYPE Decimation
   NUMBER_OF_STAGES 6
   SAMPLE_RATE_CHANGES Fixed
-  FIXED_OR_INITIAL_RATE 125
-  INPUT_SAMPLE_FREQUENCY 1
-  CLOCK_FREQUENCY 125
+  FIXED_OR_INITIAL_RATE 120
+  INPUT_SAMPLE_FREQUENCY 0.96
+  CLOCK_FREQUENCY 122.88
   NUMBER_OF_CHANNELS 16
-  INPUT_DATA_WIDTH 24
+  INPUT_DATA_WIDTH 32
   QUANTIZATION Truncation
   OUTPUT_DATA_WIDTH 32
   USE_XTREME_DSP_SLICE false
@@ -169,16 +169,16 @@ cell xilinx.com:ip:cic_compiler:4.0 cic_16 {
 cell xilinx.com:ip:fir_compiler:7.2 fir_0 {
   DATA_WIDTH.VALUE_SRC USER
   DATA_WIDTH 32
-  COEFFICIENTVECTOR {-1.6477639552e-08, -4.7322398249e-08, -7.9311409775e-10, 3.0934160749e-08, 1.8626860457e-08, 3.2748557120e-08, -6.2990865366e-09, -1.5227986158e-07, -8.3046084786e-08, 3.1453549182e-07, 3.0562673833e-07, -4.7417269422e-07, -7.1349504942e-07, 5.4732396824e-07, 1.3346218315e-06, -4.1414075502e-07, -2.1505100620e-06, -6.7741001572e-08, 3.0754648545e-06, 1.0370225542e-06, -3.9443639371e-06, -2.5919131159e-06, 4.5153751942e-06, 4.7478257577e-06, -4.4928424580e-06, -7.3982459612e-06, 3.5721630429e-06, 1.0289531399e-05, -1.5038200096e-06, -1.3020866944e-05, -1.8320780741e-06, 1.5078157871e-05, 6.3546486992e-06, -1.5905693254e-05, -1.1732482243e-05, 1.5011014603e-05, 1.7371981550e-05, -1.2094352463e-05, -2.2466882726e-05, 7.1697434417e-06, 2.6103268500e-05, -6.6357607870e-07, -2.7429279457e-05, -6.5506232292e-06, 2.5864354890e-05, 1.3204315242e-05, -2.1317037730e-05, -1.7790015052e-05, 1.4366401658e-05, 1.8819648804e-05, -6.3576957562e-06, -1.5162467161e-05, -6.3454751890e-07, 6.4157454794e-06, 4.0077900105e-06, 6.7576033639e-06, -1.0053804557e-06, -2.2403023407e-05, -1.0762630262e-05, 3.7233383457e-05, 3.2700816121e-05, -4.6860517011e-05, -6.4652658151e-05, 4.6259987990e-05, 1.0440186152e-04, -3.0540394819e-05, -1.4745720335e-04, -4.1201370727e-06, 1.8718591031e-04, 5.9472285269e-05, -2.1537491758e-04, -1.3430207308e-04, 2.2322415298e-04, 2.2383529854e-04, -2.0270064628e-04, -3.1962371627e-04, 1.4809620807e-04, 4.1005036861e-04, -5.7559785442e-05, -4.8151499596e-04, -6.5676313349e-05, 5.2025099911e-04, 2.1266416434e-04, -5.1461871942e-04, -3.6900584284e-04, 4.5746738987e-04, 5.1597365609e-04, -3.4847793976e-04, -6.3288127995e-04, 1.9564979495e-04, 7.0018874915e-04, -1.5799271763e-05, -7.0320539204e-04, -1.6637669771e-04, 6.3584392061e-04, 3.2083226194e-04, -5.0381108421e-04, -4.1625531993e-04, 3.2656999167e-04, 4.2539187592e-04, -1.3746695449e-04, -3.3104533584e-04, -1.8432241920e-05, 1.3195287043e-04, 8.8991373620e-05, 1.5240645111e-04, -2.2005955258e-05, -4.7910932766e-04, -2.2615894370e-04, 7.8159610890e-04, 6.8033628724e-04, -9.7384157378e-04, -1.3374308681e-03, 9.5750542955e-04, 2.1582379593e-03, -6.3305849791e-04, -3.0623958357e-03, -8.6277386830e-05, 3.9274923777e-03, 1.2589008658e-03, -4.5932013829e-03, -2.8990646220e-03, 4.8708089214e-03, 4.9627165218e-03, -4.5578812687e-03, -7.3366723336e-03, 3.4571636048e-03, 9.8325360800e-03, -1.3981932434e-03, -1.2186163713e-02, -1.7403432886e-03, 1.4062282609e-02, 6.0085367250e-03, -1.5065575155e-02, -1.1370141606e-02, 1.4748357578e-02, 1.7687227432e-02, -1.2618525849e-02, -2.4713165549e-02, 8.1309035026e-03, 3.2086471101e-02, -6.4515135347e-04, -3.9317049352e-02, -1.0692407507e-02, 4.5736643978e-02, 2.7250170322e-02, -5.0321471240e-02, -5.1715839268e-02, 5.1019578536e-02, 9.0570896036e-02, -4.1608582780e-02, -1.6374794004e-01, -1.0799124751e-02, 3.5639198057e-01, 5.5482162063e-01, 3.5639198057e-01, -1.0799124751e-02, -1.6374794004e-01, -4.1608582780e-02, 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-6.6357607870e-07, 2.6103268500e-05, 7.1697434417e-06, -2.2466882726e-05, -1.2094352463e-05, 1.7371981550e-05, 1.5011014603e-05, -1.1732482243e-05, -1.5905693254e-05, 6.3546486992e-06, 1.5078157871e-05, -1.8320780741e-06, -1.3020866944e-05, -1.5038200096e-06, 1.0289531399e-05, 3.5721630429e-06, -7.3982459612e-06, -4.4928424580e-06, 4.7478257577e-06, 4.5153751942e-06, -2.5919131159e-06, -3.9443639371e-06, 1.0370225542e-06, 3.0754648545e-06, -6.7741001572e-08, -2.1505100620e-06, -4.1414075502e-07, 1.3346218315e-06, 5.4732396824e-07, -7.1349504942e-07, -4.7417269422e-07, 3.0562673833e-07, 3.1453549182e-07, -8.3046084786e-08, -1.5227986158e-07, -6.2990865366e-09, 3.2748557120e-08, 1.8626860457e-08, 3.0934160749e-08, -7.9311409775e-10, -4.7322398249e-08, -1.6477639552e-08}
+  COEFFICIENTVECTOR {-1.6476029924e-08, -4.7317663921e-08, -7.9297086919e-10, 3.0931068251e-08, 1.8624899184e-08, 3.2745275438e-08, -6.2983102205e-09, -1.5226461510e-07, -8.3037993196e-08, 3.1450399608e-07, 3.0559647999e-07, -4.7412518790e-07, -7.1342412421e-07, 5.4726906080e-07, 1.3344889422e-06, -4.1409901942e-07, -2.1502957535e-06, -6.7734780426e-08, 3.0751582226e-06, 1.0369197451e-06, -3.9439705591e-06, -2.5916552851e-06, 4.5149247871e-06, 4.7473529367e-06, -4.4923942508e-06, -7.3975088222e-06, 3.5718066668e-06, 1.0288505945e-05, -1.5036699926e-06, -1.3019569206e-05, -1.8318952561e-06, 1.5076655211e-05, 6.3540146763e-06, -1.5904108520e-05, -1.1731311774e-05, 1.5009519800e-05, 1.7370248710e-05, -1.2093149493e-05, -2.2464642138e-05, 7.1690327594e-06, 2.6100666080e-05, -6.6351550041e-07, -2.7426546211e-05, -6.5499631942e-06, 2.5861779804e-05, 1.3202990848e-05, -2.1314918913e-05, -1.7788233187e-05, 1.4364979354e-05, 1.8817765049e-05, -6.3570758109e-06, -1.5160950101e-05, 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   COEFFICIENT_WIDTH 32
-  QUANTIZATION Maximize_Dynamic_Range
+  QUANTIZATION Quantize_Only
   BESTPRECISION true
   FILTER_TYPE Decimation
   DECIMATION_RATE 2
   NUMBER_CHANNELS 16
   NUMBER_PATHS 1
   SAMPLE_FREQUENCY 0.008
-  CLOCK_FREQUENCY 125
+  CLOCK_FREQUENCY 122.88
   OUTPUT_ROUNDING_MODE Convergent_Rounding_to_Even
   OUTPUT_WIDTH 33
   M_DATA_HAS_TREADY true

projects/sdr_transceiver_ft8/tx.tcl

@@ -35,7 +35,7 @@ cell xilinx.com:ip:axis_data_fifo:1.1 fifo_0 {
 # Create xlconstant
 cell xilinx.com:ip:xlconstant:1.1 const_0 {
   CONST_WIDTH 32
-  CONST_VAL 85333332
+  CONST_VAL 19660799
 }
 
 # Create axis_interpolator
@@ -54,7 +54,7 @@ cell xilinx.com:ip:xlconstant:1.1 const_1
 
 # Create dds_compiler
 cell xilinx.com:ip:dds_compiler:6.0 dds_0 {
-  DDS_CLOCK_RATE 125
+  DDS_CLOCK_RATE 122.88
   SPURIOUS_FREE_DYNAMIC_RANGE 96
   FREQUENCY_RESOLUTION 0.2
   PHASE_INCREMENT Streaming