import subprocess from migen.build.generic_programmer import GenericProgrammer class OpenOCD(GenericProgrammer): needs_bitreverse = False def __init__(self, config, flash_proxy_basename=None): GenericProgrammer.__init__(self, flash_proxy_basename) self.config = config def load_bitstream(self, bitstream): script = "; ".join([ "init", "pld load 0 {}".format(bitstream), "exit", ]) subprocess.call(["openocd", "-f", self.config, "-c", script]) def flash(self, address, data): flash_proxy = self.find_flash_proxy() script = "; ".join([ "init", "jtagspi_init 0 {}".format(flash_proxy), "jtagspi_program {} 0x{:x}".format(data, address), "fpga_program", "exit" ]) subprocess.call(["openocd", "-f", self.config, "-c", script])