forked from Firmware/Firmwares
Give XSPN the address of the input_data array
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@ -26,23 +26,12 @@ void run_xspn(int in_addr, int out_addr) {
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spn::start_reg() = 1;
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spn::start_reg() = 1;
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}
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}
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void load_input_data(int addr, const int k=0) {
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int * mem_base = (int *) addr;
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int offset = k * 5;
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for (size_t i = 0, j = 0; j < 625; i += 4, j++) { // load 5000 samples
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*(mem_base + j) = input_data.at(offset + i);
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*(mem_base + j) |= (input_data.at(offset + i + 1) << 8) & 0x0000FF00;
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*(mem_base + j) |= (input_data.at(offset + i + 2) << 16) & 0x00FF0000;
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*(mem_base + j) |= (input_data.at(offset + i + 3) << 24) & 0xFF000000;
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}
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}
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bool check_results(int addr, int k) {
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bool check_results(int addr, int k) {
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bool result = 0;
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bool result = 0;
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int step = 500;
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int step = 500;
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double *res_base = (double*) (addr);
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double *res_base = (double*) (addr);
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int * error_exit = (int *)0xF0000000;
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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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for (int i = 0; i < step; i++) {
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if (!double_equals(res_base[i] * ln2, ref_data.at(k + i))) {
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if (!double_equals(res_base[i] * ln2, ref_data.at(k + i))) {
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@ -68,9 +57,8 @@ int main() {
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spn::interrupt_reg() = 1;
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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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printf("READOUT HW:0x%x\n", spn::readout_reg());
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int in_addr = 0x800C0000;
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int in_addr = (int)input_data.data();
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int out_addr = 0x800A0000;
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int out_addr = 0x800A0000;
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load_input_data(in_addr);
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int step = 500; // number of samples to be process at once
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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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for (int k = 0; k < 10000; k+=step) {
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@ -78,14 +66,11 @@ int main() {
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run_xspn(in_addr, out_addr);
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run_xspn(in_addr, out_addr);
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printf("XSPN processes samples %d - %d\n", k, k+step);
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printf("XSPN processes samples %d - %d\n", k, k+step);
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// pre-load data for the next run while HW accelerator is running
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if(k<(10000-step))
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load_input_data(in_addr, k+step);
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wait_for_interrupt();
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wait_for_interrupt();
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spn::interrupt_reg() = 1;
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spn::interrupt_reg() = 1;
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ret_val = check_results(out_addr, k);
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ret_val = check_results(out_addr, k);
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in_addr += 2500;
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}
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}
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return ret_val;
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return ret_val;
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