Firmware/Firmwares
8
0
Fork 1
Code Issues Pull Requests Releases Wiki Activity

1st successful XSPN run. Insert few samples and get one result

Browse Source
This commit is contained in:
Stanislaw Kaushanski 2020-12-04 12:34:49 +01:00
parent 8249a0417e
commit 01cfbd34fe
1 changed files with 40 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
raven_spn/src/raven_spn.cpp
View File

@ -84,24 +84,52 @@ void platform_init(){
int main() {
platform_init();
// write input samples into the memory
int * mem_base = (int *) 0x80001000;
std::array<uint8_t, 64> input_data = {
0, 0, 0, 1, 0,
0, 1, 5, 2, 0,
0, 0, 8, 0, 0,
0, 0, 5, 4, 0,
0, 0, 0, 1, 0,
0, 0, 0, 1, 0,
0, 0, 0, 1, 0,
0, 0, 0, 1, 0
};
for(size_t i = 0, j = 0; j < 16; i += 4, j++) {
*(mem_base+j) = input_data.at(i);
*(mem_base+j) |= input_data.at(i+1) << 8;
*(mem_base+j) |= input_data.at(i+2) << 16;
*(mem_base+j) |= input_data.at(i+3) << 24;
}
////////////////////////////////////////////////
spn::mode_reg() = 1;
spn::start_reg() = 1;
printf("READOUT reuslt:0x%x\n", spn::readout_reg());
printf("READOUT HW:0x%x\n", spn::readout_reg());
spn::interrupt_reg() = 1;
spn::input_length_reg() = 5;
spn::input_addr_reg() = 0x80000000;
spn::output_addr_reg() = 0x80100000;
spn::num_of_in_beats_reg() = 5;
spn::num_of_out_beats_reg() = 1;
spn::mode_reg() = 0;
uint32_t result_addr = spn::output_addr_reg();
spn::start_reg() = 1;
printf("Start SPN HW accelerator\n");
spn::mode_reg() = 0;
spn::input_length_reg() = 8;
spn::input_addr_reg() = 0x80001000;
spn::output_addr_reg() = 0x80001000;
spn::num_of_in_beats_reg() = 1;
spn::num_of_out_beats_reg() = 1;
spn::start_reg() = 1;
delayUS(50);
printf("Cycle count:0x%x\n", spn::start_reg());
spn::interrupt_reg() = 1;
delayUS(10);
// read calculation results from the memory
int result = *mem_base;
printf("HW Result:0x%lx\n", result);
result = *(mem_base+1);
printf("HW Result:0x%lx\n", result);
delayUS(100);
printf("End of execution");
return 0;