1st successful XSPN run. Insert few samples and get one result
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8249a0417e
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@ -84,24 +84,52 @@ void platform_init(){
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int main() {
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platform_init();
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// write input samples into the memory
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int * mem_base = (int *) 0x80001000;
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std::array<uint8_t, 64> input_data = {
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0, 0, 0, 1, 0,
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0, 1, 5, 2, 0,
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0, 0, 8, 0, 0,
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0, 0, 5, 4, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 1, 0
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};
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for(size_t i = 0, j = 0; j < 16; i += 4, j++) {
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*(mem_base+j) = input_data.at(i);
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*(mem_base+j) |= input_data.at(i+1) << 8;
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*(mem_base+j) |= input_data.at(i+2) << 16;
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*(mem_base+j) |= input_data.at(i+3) << 24;
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}
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////////////////////////////////////////////////
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spn::mode_reg() = 1;
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spn::start_reg() = 1;
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printf("READOUT reuslt:0x%x\n", spn::readout_reg());
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printf("READOUT HW:0x%x\n", spn::readout_reg());
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spn::interrupt_reg() = 1;
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spn::input_length_reg() = 5;
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spn::input_addr_reg() = 0x80000000;
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spn::output_addr_reg() = 0x80100000;
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spn::num_of_in_beats_reg() = 5;
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spn::num_of_out_beats_reg() = 1;
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spn::mode_reg() = 0;
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uint32_t result_addr = spn::output_addr_reg();
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spn::start_reg() = 1;
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printf("Start SPN HW accelerator\n");
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spn::mode_reg() = 0;
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spn::input_length_reg() = 8;
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spn::input_addr_reg() = 0x80001000;
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spn::output_addr_reg() = 0x80001000;
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spn::num_of_in_beats_reg() = 1;
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spn::num_of_out_beats_reg() = 1;
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spn::start_reg() = 1;
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delayUS(50);
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printf("Cycle count:0x%x\n", spn::start_reg());
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spn::interrupt_reg() = 1;
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delayUS(10);
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// read calculation results from the memory
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int result = *mem_base;
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printf("HW Result:0x%lx\n", result);
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result = *(mem_base+1);
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printf("HW Result:0x%lx\n", result);
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delayUS(100);
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printf("End of execution");
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return 0;
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