forked from Firmware/Firmwares
104 lines
2.9 KiB
C++
104 lines
2.9 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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#include <math.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, int num_samples, int in_beats, int out_beats) {
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spn::mode_reg() = 0;
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spn::input_length_reg() = num_samples; // 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() = in_beats; // Number of AXI4 burst beats needed to load all input data
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spn::num_of_out_beats_reg() = out_beats; // Number of AXI4 burst beats needed to store all result data
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printf("Starting XSPN\n");
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spn::start_reg() = 1;
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}
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void check_results(int addr, int k, int step) {
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int k0 = 0;
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bool result = 0;
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double *res_base = (double*) (addr);
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int * error_exit = (int *)0xF0000000;
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for (int i = 0; i < step; i++) {
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if (!double_equals(res_base[i], ref_data.at(k0 + i))) {
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printf("XSPN ref %d comparison FAILED\n", k0 + i);
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result = 1;
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}
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}
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if (result == 1) *error_exit = 0x1;
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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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uint32_t readout = spn::readout_reg();
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printf("READOUT HW:0x%x\n", readout);
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uint32_t axi_bytes = readout;
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axi_bytes = axi_bytes & 0xff;
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axi_bytes = 1 << axi_bytes;
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printf("AXI Bytes: %d\n", axi_bytes);
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uint32_t sample_bytes = readout;
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sample_bytes = sample_bytes >> 16;
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sample_bytes = sample_bytes / 8;
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printf("Sample Bytes: %d\n", sample_bytes);
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uint32_t result_bytes = 8;
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printf("Result Bytes: %d\n", result_bytes);
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uint32_t step = 500;
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<<<<<<< Updated upstream
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uint32_t iterations = 20;
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=======
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uint32_t iterations = 5;
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>>>>>>> Stashed changes
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uint32_t in_beats = (step * sample_bytes) / axi_bytes;
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if (in_beats * axi_bytes < step * sample_bytes) in_beats++;
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uint32_t out_beats = (step * result_bytes) / axi_bytes;
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if (out_beats * axi_bytes < step * result_bytes) out_beats++;
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int in_addr = (int)input_data.data();
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int out_addr = 0x800B0000;
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for (int k = 0; k < iterations*step; k+=step) {
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printf("XSPN processes samples %d - %d\n", k, k+step);
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run_xspn(in_addr, out_addr, step, in_beats, out_beats);
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wait_for_interrupt();
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printf("XSPN finished\n");
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spn::interrupt_reg() = 1;
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check_results(out_addr, k, step);
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in_addr += step * sample_bytes; // 5 bytes in each sample
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}
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return 0;
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}
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