1 package edu.berkeley.obits.device.atmel;
5 public class ChipImpl extends FtdiChip implements Chip {
22 public void doReset() {
44 //try { Thread.sleep(500); } catch (Exception e) { }
48 try { Thread.sleep(500); } catch (Exception e) { }
52 try { Thread.sleep(500); } catch (Exception e) { }
56 public void porte(int pin, boolean b) {
57 porte = (~(1<<pin)) | (b ? (1<<pin) : 0);
64 public void config(boolean bit) { config(bit?1:0, 1); }
65 public void config(int dat) { config(dat, 8); }
66 public void config(int dat, int numbits) {
67 for(int i=(numbits-1); i>=0; i--) {
68 boolean bit = (dat & (1<<i)) != 0;
75 // tricky: RESET has a weak pull-up, and is wired to a CBUS line. So,
76 // we can pull it down (assert reset) from uart-mode, or we can
77 // let it float upward from either mode.
78 public void reset(boolean on) {
79 bits = on ? (1<<1) : 0;
80 mask = on ? (1<<0) : ((1<<0) | (1<<1));
83 if (on) dbangmode(dmask);
86 public void avrrst(boolean on) { dbang(7, on); }
87 public void clk(boolean on) { dbang(6, on); }
88 public void data(boolean on) { dbang(5, on); }
90 public boolean initErr() { flush(); return (readPins() & (1<<4))!=0; }
91 public boolean con() {
95 return (readPins() & (1<<0)) != 0;
97 public void con(boolean on) {