#include "raven_spn.h" #include "spn_regs.h" #include "dma_regs.h" #include "init.h" #include "spn_checker_regs.h" using spn = spn_regs<0x90000000>; using dma = dma_regs<0xB0000000>; using spn_checker = spn_checker_regs<0x10040000>; void run_xspn(int in_addr, int out_addr, int num_samples, int in_beats, int out_beats) { spn::mode_reg() = 0; spn::input_length_reg() = num_samples; // each sample consists of 5 uint8 values spn::input_addr_reg() = in_addr; spn::output_addr_reg() = out_addr; spn::num_of_in_beats_reg() = in_beats; // Number of AXI4 burst beats needed to load all input data spn::num_of_out_beats_reg() = out_beats; // Number of AXI4 burst beats needed to store all result data printf("Starting XSPN\n"); spn::start_reg() = 1; } void fpga_dma(int direction, int fpga_address, int sc_address, int num_bytes) { dma::write_reg() = direction; dma::fpga_address_reg() = fpga_address; dma::sc_address_reg() = sc_address; dma::bytes_reg() = num_bytes; dma::start_reg() = 1; wait_for_interrupt(); dma::clear_interrupt_reg() = 1; } /*! \brief main function * */ int main() { platform_init(); spn::mode_reg() = 1; spn::start_reg() = 1; wait_for_interrupt(); spn::interrupt_reg() = 1; uint32_t readout = spn::readout_reg(); printf("READOUT HW:0x%x\n", readout); uint32_t axi_bytes = readout; axi_bytes = axi_bytes & 0xff; axi_bytes = 1 << axi_bytes; printf("AXI Bytes: %d\n", axi_bytes); uint32_t sample_bytes = readout; sample_bytes = sample_bytes >> 16; sample_bytes = sample_bytes / 8; printf("Sample Bytes: %d\n", sample_bytes); uint32_t result_bytes = 8; printf("Result Bytes: %d\n", result_bytes); uint32_t step = 10000; uint32_t iterations = 5; uint32_t in_beats = (step * sample_bytes) / axi_bytes; if (in_beats * axi_bytes < step * sample_bytes) in_beats++; uint32_t out_beats = (step * result_bytes) / axi_bytes; if (out_beats * axi_bytes < step * result_bytes) out_beats++; int in_addr = 0x20010000; // place input samples in the SPI memory int out_addr = 0x20210000; int fpga_address_in = 0x10000000; int fpga_address_out = 0x20000000; // inject SPN input data spn_checker::input_addr_reg() = in_addr; spn_checker::num_input_samples_reg() = sample_bytes * step * iterations; spn_checker::start_data_trans_reg() = 1; spn_checker::output_addr_reg() = out_addr; //run_xspn(in_addr, out_addr); for (int k = 0; k < iterations*step; k+=step) { fpga_dma(1, fpga_address_in, in_addr, step * sample_bytes); run_xspn(fpga_address_in, fpga_address_out, step, in_beats, out_beats); wait_for_interrupt(); spn::interrupt_reg() = 1; printf("XSPN finished\n"); fpga_dma(0, fpga_address_out, out_addr, step * result_bytes); spn_checker::offset_reg() = k; spn_checker::length_reg() = step; spn_checker::start_result_check_reg() = 1; in_addr += step * sample_bytes; // 5 bytes in each sample } return 0; }