mbr/key-test.c

   1 /*
   2     e07 bootloader suite
   3     Copyright (c) 2009 Christopher Hall <hsw@openmoko.com>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #define APPLICATION_TITLE "keypad test"
  20 #include "application.h"
  21
  22
  23 // this must be the first executable code as the loader executes from the first program address
  24 ReturnType key_test(int block, int status)
  25 {
  26         APPLICATION_INITIALISE();
  27         {
  28                 unsigned int state = 0xffff; // impossible key state
  29                 print("press buttons on keypad. [any serial input to exit]\n");
  30
  31                 while (!serial_input_available()) {
  32                         unsigned int keys = REG_P6_P6D & 0x07;
  33                         if (keys != state) {
  34                                 state = keys;
  35                                 print("keys = 0x");
  36                                 print_byte(REG_P6_P6D & 0x07);
  37                                 if (0 != (keys & 0x02)) {
  38                                         print(" random");
  39                                 } else {
  40                                         print("       ");
  41                                 }
  42                                 if (0 != (keys & 0x04)) {
  43                                         print(" tree");
  44                                 } else {
  45                                         print("     ");
  46                                 }
  47                                 if (0 != (keys & 0x01)) {
  48                                         print(" search");
  49                                 } else {
  50                                         print("       ");
  51                                 }
  52                                 print("\n");
  53                         }
  54                 }
  55                 (void)serial_input_char();
  56         }
  57         APPLICATION_FINALISE(0, 0);
  58 }