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Give XSPN the address of the input_data array

This commit is contained in:
Stanislaw Kaushanski 2021-01-05 12:56:31 +01:00
parent 62cdc0c7b9
commit 3d93e4b9a5
2 changed files with 3 additions and 18 deletions
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raven_spn/raven_spn
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raven_spn/src/raven_spn.cpp
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@ -26,23 +26,12 @@ void run_xspn(int in_addr, int out_addr) {
spn::start_reg() = 1;
}
void load_input_data(int addr, const int k=0) {
int * mem_base = (int *) addr;
int offset = k * 5;
for (size_t i = 0, j = 0; j < 625; i += 4, j++) { // load 5000 samples
*(mem_base + j) = input_data.at(offset + i);
*(mem_base + j) |= (input_data.at(offset + i + 1) << 8) & 0x0000FF00;
*(mem_base + j) |= (input_data.at(offset + i + 2) << 16) & 0x00FF0000;
*(mem_base + j) |= (input_data.at(offset + i + 3) << 24) & 0xFF000000;
}
}
bool check_results(int addr, int k) {
bool result = 0;
int step = 500;
double *res_base = (double*) (addr);
int * error_exit = (int *)0xF0000000;
printf("Start result comparison %d - %d\n", k, k+step);
for (int i = 0; i < step; i++) {
if (!double_equals(res_base[i] * ln2, ref_data.at(k + i))) {
@ -68,9 +57,8 @@ int main() {
spn::interrupt_reg() = 1;
printf("READOUT HW:0x%x\n", spn::readout_reg());
int in_addr = 0x800C0000;
int in_addr = (int)input_data.data();
int out_addr = 0x800A0000;
load_input_data(in_addr);
int step = 500; // number of samples to be process at once
for (int k = 0; k < 10000; k+=step) {
@ -78,14 +66,11 @@ int main() {
run_xspn(in_addr, out_addr);
printf("XSPN processes samples %d - %d\n", k, k+step);
// pre-load data for the next run while HW accelerator is running
if(k<(10000-step))
load_input_data(in_addr, k+step);
wait_for_interrupt();
spn::interrupt_reg() = 1;
ret_val = check_results(out_addr, k);
in_addr += 2500;
}
return ret_val;