forked from Firmware/Firmwares
74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
#include "raven_spn.h"
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#include "spn_regs.h"
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#include "init.h"
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using spn =spn_regs<0x90000000>;
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// huge arrays of XSPN input and referance data
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extern std::array<uint8_t, 50000> input_data;
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extern std::array<double, 10000> ref_data;
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bool double_equals(double a, double b, double epsilon = 0.001)
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{
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return std::abs(a - b) < epsilon;
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}
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void run_xspn(int in_addr, int out_addr) {
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spn::mode_reg() = 0;
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spn::input_length_reg() = 500; // each sample consists of 5 uint8 values
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spn::input_addr_reg() = in_addr;
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spn::output_addr_reg() = out_addr;
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spn::num_of_in_beats_reg() = 40; // Number of AXI4 burst beats needed to load all input data
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spn::num_of_out_beats_reg() = 64; // Number of AXI4 burst beats needed to store all result data
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spn::start_reg() = 1;
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}
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void check_results(int addr, int k) {
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bool result = 0;
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int step = 500;
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double *res_base = (double*) (addr);
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int * error_exit = (int *)0xF0000000;
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printf("Start result comparison %d - %d\n", k, k+step);
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for (int i = 0; i < step; i++) {
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if (!double_equals(res_base[i], ref_data.at(k + i))) {
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printf("XSPN ref %d comparison FAILED\n", k + i);
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*error_exit = 0x1;
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result = 1;
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}
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}
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printf("Compared samples %d - %d with the reference\n", k, k+step);
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}
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/*! \brief main function
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*
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*/
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int main() {
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platform_init();
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spn::mode_reg() = 1;
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spn::start_reg() = 1;
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wait_for_interrupt();
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spn::interrupt_reg() = 1;
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printf("READOUT HW:0x%x\n", spn::readout_reg());
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int in_addr = (int)input_data.data();
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int out_addr = 0x800B0000;
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run_xspn(in_addr, out_addr);
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int step = 500; // number of samples to be process at once
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for (int k = 0; k < 10000; k+=step) {
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printf("XSPN processes samples %d - %d\n", k, k+step);
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wait_for_interrupt();
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spn::interrupt_reg() = 1;
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check_results(out_addr, k);
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in_addr += step * 5; // 5 bytes in each sample
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run_xspn(in_addr, out_addr);
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}
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return 0;
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}
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