C++ (Cpp) shift_ir Examples

Example #1

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

bool XC2C64A::verify_eeprom(const verify_blocks_t& blocks) {
	tap.set_repeat(0);
	tap.set_end_ir(state_t::run_test_idle);
	tap.set_end_dr(state_t::run_test_idle);

	reset();
	bypass();
	enable();

	shift_ir(instruction_t::ISC_READ);

	const jtag::tap::bits_t empty_row { block_length };

	auto error = false;
	for(const auto& block : blocks) {
		tap.set_end_dr(state_t::pause_dr);
		tap.shift_dr({ &block.id, block_id_length });
		tap.set_end_ir(state_t::run_test_idle);
		tap.wait(state_t::pause_dr, state_t::pause_dr, 20);
		tap.set_end_ir(state_t::run_test_idle);
		tap.wait(state_t::run_test_idle, state_t::run_test_idle, 100);
		error |= tap.shift_dr(empty_row, { block.data.data(), block_length }, { block.mask.data(), block_length });
		tap.wait(state_t::run_test_idle, state_t::run_test_idle, 100);
	}

	disable();
	bypass();

	tap.state(state_t::test_logic_reset);

	return !error;
}

Example #2

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::init() {
	tap.set_end_ir(state_t::update_ir);
	shift_ir(instruction_t::ISC_INIT);
	tap.set_end_ir(state_t::run_test_idle);
	tap.state(state_t::capture_dr);
	tap.wait(state_t::run_test_idle, state_t::run_test_idle, 800);
}

Example #3

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::write_sram(const verify_blocks_t& blocks) {
	tap.set_repeat(0);
	tap.set_end_ir(state_t::run_test_idle);
	tap.set_end_dr(state_t::run_test_idle);

	reset();
	enable();

	shift_ir(instruction_t::ISC_WRITE);
	for(const auto& block : blocks) {
		tap.state(state_t::shift_dr);
		tap.shift({ block.data.data(), block_length }, false);
		tap.shift({ &block.id, block_id_length }, true);
		tap.state(state_t::run_test_idle);
	}

	disable();
	bypass();

	tap.state(state_t::test_logic_reset);
}

Example #4

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

bool XC2C64A::verify_sram(const verify_blocks_t& blocks) {
	tap.set_repeat(0);
	tap.set_end_ir(state_t::run_test_idle);
	tap.set_end_dr(state_t::run_test_idle);

	reset();
	enable();

	shift_ir(instruction_t::ISC_SRAM_READ);

	// Prime the operation with a read of an empty row.
	const jtag::tap::bits_t empty_row { block_length };

	tap.state(state_t::shift_dr);
	tap.shift(empty_row, false);
	
	auto error = false;
	for(const auto& block : blocks) {
		tap.shift({ &block.id, block_id_length }, true);
		tap.state(state_t::run_test_idle);
		
		tap.state(state_t::shift_dr);
		error |= tap.shift(empty_row, { block.data.data(), block_length }, { block.mask.data(), block_length }, false);
	}
	// Redundant operation to finish the row.
	tap.shift({ &blocks[0].id, block_id_length }, true);
	tap.state(state_t::run_test_idle);
	tap.set_end_dr(state_t::run_test_idle);

	disable();
	bypass();

	tap.state(state_t::test_logic_reset);

	return !error;
}

Example #5

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

bool XC2C64A::bypass() {
	return shift_ir(instruction_t::BYPASS);
}

Example #6

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::disable() {
	shift_ir(instruction_t::ISC_DISABLE);
	tap.wait(state_t::run_test_idle, state_t::run_test_idle, 100);
}

Example #7

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::discharge() {
	shift_ir(instruction_t::ISC_INIT);
	tap.wait(state_t::run_test_idle, state_t::run_test_idle, 20);
}

Example #8

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::enable_otf() {
	shift_ir(instruction_t::ISC_ENABLE_OTF);
}

Example #9

File: cpld_xilinx.cpp Project: CCrashBandicot/portapack-hackrf

void XC2C64A::enable() {
	shift_ir(instruction_t::ISC_ENABLE);
	tap.wait(state_t::run_test_idle, state_t::run_test_idle, 800);
}

Example #10

File: cpld_max5.hpp Project: LucaBongiorni/portapack-havoc

	void shift_ir(const Instruction instruction) {
		shift_ir(static_cast<uint32_t>(instruction));
	}