diff options
Diffstat (limited to 'host/lib/convert')
-rw-r--r-- | host/lib/convert/convert_common.hpp | 25 | ||||
-rw-r--r-- | host/lib/convert/gen_convert_general.py | 2 | ||||
-rw-r--r-- | host/lib/convert/gen_convert_pred.py | 91 |
3 files changed, 82 insertions, 36 deletions
diff --git a/host/lib/convert/convert_common.hpp b/host/lib/convert/convert_common.hpp index 1a653a56f..c6ba1fcf9 100644 --- a/host/lib/convert/convert_common.hpp +++ b/host/lib/convert/convert_common.hpp @@ -41,8 +41,10 @@ /*********************************************************************** * Typedefs **********************************************************************/ +typedef std::complex<double> fc64_t; typedef std::complex<float> fc32_t; typedef std::complex<boost::int16_t> sc16_t; +typedef std::complex<boost::int8_t> sc8_t; typedef boost::uint32_t item32_t; /*********************************************************************** @@ -87,4 +89,27 @@ static UHD_INLINE fc32_t item32_to_fc32(item32_t item){ ); } +/*********************************************************************** + * Convert complex double buffer to items32 (no swap) + **********************************************************************/ +static const double shorts_per_double = double(32767); + +static UHD_INLINE item32_t fc64_to_item32(fc64_t num){ + boost::uint16_t real = boost::int16_t(num.real()*shorts_per_double); + boost::uint16_t imag = boost::int16_t(num.imag()*shorts_per_double); + return (item32_t(real) << 16) | (item32_t(imag) << 0); +} + +/*********************************************************************** + * Convert items32 buffer to complex double + **********************************************************************/ +static const double doubles_per_short = double(1.0/shorts_per_double); + +static UHD_INLINE fc64_t item32_to_fc64(item32_t item){ + return fc64_t( + float(boost::int16_t(item >> 16)*doubles_per_short), + float(boost::int16_t(item >> 0)*doubles_per_short) + ); +} + #endif /* INCLUDED_LIBUHD_CONVERT_COMMON_HPP */ diff --git a/host/lib/convert/gen_convert_general.py b/host/lib/convert/gen_convert_general.py index 47c4cd7d0..f03448047 100644 --- a/host/lib/convert/gen_convert_general.py +++ b/host/lib/convert/gen_convert_general.py @@ -85,7 +85,7 @@ if __name__ == '__main__': output = parse_tmpl(TMPL_HEADER, file=file) for width in 1, 2, 3, 4: for swap, swap_fcn in (('nswap', ''), ('bswap', 'uhd::byteswap')): - for cpu_type in 'fc32', 'sc16': + for cpu_type in 'fc64', 'fc32', 'sc16': output += parse_tmpl( TMPL_CONV_TO_FROM_ITEM32_1 if width == 1 else TMPL_CONV_TO_FROM_ITEM32_X, width=width, swap=swap, swap_fcn=swap_fcn, cpu_type=cpu_type diff --git a/host/lib/convert/gen_convert_pred.py b/host/lib/convert/gen_convert_pred.py index 1d573bf1a..d2f90bf41 100644 --- a/host/lib/convert/gen_convert_pred.py +++ b/host/lib/convert/gen_convert_pred.py @@ -21,8 +21,6 @@ TMPL_TEXT = """ /*********************************************************************** * This file was generated by $file on $time.strftime("%c") **********************************************************************/ -typedef size_t pred_type; - \#include <boost/tokenizer.hpp> \#include <boost/lexical_cast.hpp> \#include <boost/detail/endian.hpp> @@ -31,6 +29,9 @@ typedef size_t pred_type; \#include <string> \#include <vector> +typedef size_t pred_type; +typedef std::vector<pred_type> pred_vector_type; + enum dir_type{ DIR_OTW_TO_CPU = 0, DIR_CPU_TO_OTW = 1 @@ -69,8 +70,10 @@ pred_type make_pred(const std::string &markup, dir_type &dir){ dir = DIR_OTW_TO_CPU; } - if (cpu_type == "fc32") pred |= $ph.fc32_p; + if (cpu_type == "fc64") pred |= $ph.fc64_p; + else if (cpu_type == "fc32") pred |= $ph.fc32_p; else if (cpu_type == "sc16") pred |= $ph.sc16_p; + else if (cpu_type == "sc8") pred |= $ph.sc8_p; else throw pred_error("unhandled io type " + cpu_type); if (otw_type == "item32") pred |= $ph.item32_p; @@ -99,44 +102,60 @@ pred_type make_pred(const std::string &markup, dir_type &dir){ return pred; } +#define pred_table_wildcard pred_type(~0) +#define pred_table_max_size size_t(128) +#define pred_table_index(e) (pred_type(e) & 0x7f) + +static pred_vector_type get_pred_byte_order_table(void){ + pred_vector_type table(pred_table_max_size, pred_table_wildcard); + \#ifdef BOOST_BIG_ENDIAN + table[pred_table_index(otw_type_t::BO_BIG_ENDIAN)] = $ph.nswap_p; + table[pred_table_index(otw_type_t::BO_LITTLE_ENDIAN)] = $ph.bswap_p; + \#else + table[pred_table_index(otw_type_t::BO_BIG_ENDIAN)] = $ph.bswap_p; + table[pred_table_index(otw_type_t::BO_LITTLE_ENDIAN)] = $ph.nswap_p; + \#endif + table[pred_table_index(otw_type_t::BO_NATIVE)] = $ph.nswap_p; + return table; +} + +static pred_vector_type get_pred_io_type_table(void){ + pred_vector_type table(pred_table_max_size, pred_table_wildcard); + table[pred_table_index(io_type_t::COMPLEX_FLOAT64)] = $ph.fc64_p; + table[pred_table_index(io_type_t::COMPLEX_FLOAT32)] = $ph.fc32_p; + table[pred_table_index(io_type_t::COMPLEX_INT16)] = $ph.sc16_p; + return table; +} + +static pred_vector_type get_pred_num_io_table(void){ + pred_vector_type table(pred_table_max_size, pred_table_wildcard); + table[1] = $ph.chan1_p; + table[2] = $ph.chan2_p; + table[3] = $ph.chan3_p; + table[4] = $ph.chan4_p; + return table; +} + UHD_INLINE pred_type make_pred( const io_type_t &io_type, const otw_type_t &otw_type, size_t num_inputs, size_t num_outputs ){ - pred_type pred = 0; + pred_type pred = $ph.item32_p; //only item32 supported as of now - switch(otw_type.byteorder){ - \#ifdef BOOST_BIG_ENDIAN - case otw_type_t::BO_BIG_ENDIAN: pred |= $ph.nswap_p; break; - case otw_type_t::BO_LITTLE_ENDIAN: pred |= $ph.bswap_p; break; - \#else - case otw_type_t::BO_BIG_ENDIAN: pred |= $ph.bswap_p; break; - case otw_type_t::BO_LITTLE_ENDIAN: pred |= $ph.nswap_p; break; - \#endif - case otw_type_t::BO_NATIVE: pred |= $ph.nswap_p; break; - default: throw pred_error("unhandled otw byteorder type"); - } + static const pred_vector_type pred_byte_order_table(get_pred_byte_order_table()); + pred |= pred_byte_order_table[pred_table_index(otw_type.byteorder)]; - switch(otw_type.get_sample_size()){ - case sizeof(boost::uint32_t): pred |= $ph.item32_p; break; - default: throw pred_error("unhandled otw sample size"); - } + static const pred_vector_type pred_io_type_table(get_pred_io_type_table()); + pred |= pred_io_type_table[pred_table_index(io_type.tid)]; - switch(io_type.tid){ - case io_type_t::COMPLEX_FLOAT32: pred |= $ph.fc32_p; break; - case io_type_t::COMPLEX_INT16: pred |= $ph.sc16_p; break; - default: throw pred_error("unhandled io type id"); - } + static const pred_vector_type pred_num_io_table(get_pred_num_io_table()); + pred |= pred_num_io_table[pred_table_index(num_inputs*num_outputs)]; - switch(num_inputs*num_outputs){ //FIXME treated as one value - case 1: pred |= $ph.chan1_p; break; - case 2: pred |= $ph.chan2_p; break; - case 3: pred |= $ph.chan3_p; break; - case 4: pred |= $ph.chan4_p; break; - default: throw pred_error("unhandled number of channels"); - } + if (pred == pred_table_wildcard) throw pred_error( + "unhanded input combination for make_pred()" + ); return pred; } @@ -150,12 +169,14 @@ class ph: bswap_p = 0b00001 nswap_p = 0b00000 item32_p = 0b00000 + sc8_p = 0b00000 sc16_p = 0b00010 - fc32_p = 0b00000 + fc32_p = 0b00100 + fc64_p = 0b00110 chan1_p = 0b00000 - chan2_p = 0b00100 - chan3_p = 0b01000 - chan4_p = 0b01100 + chan2_p = 0b01000 + chan3_p = 0b10000 + chan4_p = 0b11000 if __name__ == '__main__': import sys, os |