/**
* Performs the start-of-day tasks necessary to talk JTAG to our FPGA.
*/
-void jtag_init(void);
+void jtag_init(int ifnum, const char *devstr, bool slow_clock);
/**
uint32_t data_bits,
bool must_end);
+void jtag_error(int status);
void jtag_wait_time(uint32_t microseconds);