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Line 9... |
// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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// Copyright (C) 2015-2017, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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| Line 36... |
Line 36... |
//
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//
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//
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//
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#include "asmstartup.h"
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#include "asmstartup.h"
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#include "board.h"
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#include "board.h"
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#include "keypad.h"
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#include "keypad.h"
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#include "txfns.h"
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void txchr(char v) {
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volatile IOSPACE *sys = (IOSPACE *)IOADDR;
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if (v < 10)
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return;
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v &= 0x07f;
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sys->io_pic = INT_UARTTX;
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while((sys->io_pic&INT_UARTTX)==0)
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;
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sys->io_uart = v;
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}
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void txstr(const char *str) {
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const char *ptr = str;
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while(*ptr) {
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txchr(*ptr++);
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}
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}
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void entry(void) {
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void entry(void) {
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register IOSPACE *sys = (IOSPACE *)0x0100;
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register volatile IOSPACE *const sys = _sys;
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|
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sys->io_pic = 0x07fffffff; // Acknowledge and turn off all interrupts
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sys->io_pic = 0x07fffffff; // Acknowledge and turn off all interrupts
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sys->io_spio = 0x0f0;
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sys->io_spio = 0x0f0;
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sys->io_tima = 100000 | TM_REPEAT;
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sys->io_timer = 100000 | TM_REPEAT;
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txstr("Press any keypad button for test.\r\n");
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txstr("Press any keypad button for test.\r\n");
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|
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while(1) {
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while(1) {
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int ch;
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int ch;
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while(0 == (sys->io_pic & INT_KEYPAD))
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while(0 == (sys->io_pic & INT_KEYPAD))
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;
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;
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sys->io_pic = INT_KEYPAD | INT_TIMA;
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sys->io_pic = INT_KEYPAD | INT_TIMER;
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// Wait 5 ms
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// Wait 5 ms
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for(int i=0; i<5; i++) {
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for(int i=0; i<5; i++) {
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while(0 == (sys->io_pic & INT_TIMA))
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while(0 == (sys->io_pic & INT_TIMER))
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;
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;
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}
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}
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sys->io_spio = 0x011;
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sys->io_spio = 0x011;
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ch = keypadread();
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ch = keypadread();
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if (ch < 0)
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if ((ch < 0)||(ch == -1))
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; // txstr("Unknown key pressed or error\n");
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; // txstr("Unknown key pressed or error\n");
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else if (ch < 10)
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else if (ch < 10)
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txchr(ch+'0');
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txchr(ch+'0');
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else if (ch == 15)
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else if (ch == 15)
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txstr("F\r\n");
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txstr("F\r\n");
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else if (ch < 15)
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else if (ch < 15)
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txchr(ch+'A'-10);
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txchr(ch+'A'-10);
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else txstr("Unknown key pressed\n");
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else {
|
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txstr("Unknown key pressed\r\n");
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}
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keypad_wait_for_release();
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keypad_wait_for_release();
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sys->io_spio = 0x010;
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sys->io_spio = 0x010;
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}
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}
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}
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}
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No newline at end of file
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No newline at end of file
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