////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: doorbell2.c
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// Filename: doorbell2.c
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//
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//
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// Project: CMod S6 System on a Chip, ZipCPU demonstration project
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// Project: CMod S6 System on a Chip, ZipCPU demonstration project
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//
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//
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// Purpose: A modification to the original doorbell.c program that played
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// Purpose: A modification to the original doorbell.c program that played
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// a doorbell sound every ten seconds. Listening to that test is
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// a doorbell sound every ten seconds. Listening to that test is
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// ... getting old.
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// ... getting old.
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//
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//
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// Let's let this one do the following:
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// Let's let this one do the following:
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// 1. Display the time on the display (it will be impossible to
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// 1. Display the time on the display (it will be impossible to
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// change the time, sadly, but we can at least display it.)
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// change the time, sadly, but we can at least display it.)
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// 2. On button press ...
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// 2. On button press ...
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// - Play the doorbell sound
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// - Play the doorbell sound
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// - Display "Doorbell!\n" on the Display, clearing the
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// - Display "Doorbell!\n" on the Display, clearing the
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// time
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// time
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// - Send "Doorbell\n" to the UART, and then keeping the
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// - Send "Doorbell\n" to the UART, and then keeping the
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// UART silent for 30 seconds.
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// UART silent for 30 seconds.
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// 4. Send the time to the UART as well, but only once a minute.
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// 4. Send the time to the UART as well, but only once a minute.
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// (and that if the Doorbell hasn't been rung in the last
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// (and that if the Doorbell hasn't been rung in the last
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// 30 seconds ...)
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// 30 seconds ...)
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//
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//
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// 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) 2015-2017, 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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//
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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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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//
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//
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//
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//
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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 "rtcsim.h"
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#include "rtcsim.h"
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#include "display.h"
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#include "display.h"
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#include "string.h"
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#include "string.h"
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#include "txfns.h"
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#include "txfns.h"
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#include "samples.c"
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#include "samples.c"
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void zip_halt(void);
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void build_dpymsg(char *msg, unsigned clkval);
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void build_dpymsg(char *msg, unsigned clkval);
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void build_uartmsg(char *msg, unsigned clkval);
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void build_uartmsg(char *msg, unsigned clkval);
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void showval(int val);
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void showval(int val);
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#define CLEAR_WATCHDOG _sys->io_watchdog = 0
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#define CLEAR_WATCHDOG _sys->io_watchdog = 0
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#define TOUCH_WATCHDOG _sys->io_watchdog = 500000
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#define TOUCH_WATCHDOG _sys->io_watchdog = 500000
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void entry(void) {
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void entry(void) {
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register volatile IOSPACE *const sys = _sys;
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register volatile IOSPACE *const sys = _sys;
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char dpymsg[64], *dpyptr;
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char dpymsg[64], *dpyptr;
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char uartmsg[160], *uartptr;
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char uartmsg[160], *uartptr;
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int newmsgtime = 0, leastmsgtime = -1, lstmsgtime = 0;
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int newmsgtime = 0, leastmsgtime = -1, lstmsgtime = 0;
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CLEAR_WATCHDOG;
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CLEAR_WATCHDOG;
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txstr("\r\nREBOOT!\r\n");
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txstr("\r\nREBOOT!\r\n");
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txstr("Scope Control = "); txval(_scope->s_ctrl);
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txstr("Scope Control = "); txval(_scope->s_ctrl);
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if (_scope->s_ctrl & WBSCOPE_STOPPED) {
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if (_scope->s_ctrl & WBSCOPE_STOPPED) {
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int ln = WBSCOPE_LENGTH(_scope->s_ctrl);
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int ln = WBSCOPE_LENGTH(_scope->s_ctrl);
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for(int i=0; i<ln; i++)
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for(int i=0; i<ln; i++)
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txval(_scope->s_data);
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txval(_scope->s_data);
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txval((int)_sys->io_buserr);
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txval((int)_sys->io_buserr);
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txstr("\r\n\r\nEndScope\r\n");
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txstr("\r\n\r\nEndScope\r\n");
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} else {
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} else {
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txstr("\r\n");
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txstr("\r\n");
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_scope->s_ctrl = 20;
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_scope->s_ctrl = 20;
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}
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}
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dpymsg[0] = 0;
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dpymsg[0] = 0;
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dpyptr = dpymsg;
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dpyptr = dpymsg;
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uartmsg[0] = 0;
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uartmsg[0] = 0;
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build_uartmsg(uartmsg, 0);
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build_uartmsg(uartmsg, 0);
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uartptr = uartmsg;
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uartptr = uartmsg;
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sys->io_watchdog = 0;
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sys->io_watchdog = 0;
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sys->io_pic = INT_CLEARPIC; // Acknowledge and turn off all interrupts
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sys->io_pic = INT_CLEARPIC; // Acknowledge and turn off all interrupts
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sys->io_spio = 0x0f4;
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sys->io_spio = 0x0f4;
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newmsgtime = sys->io_timer;
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newmsgtime = sys->io_timer;
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leastmsgtime = -1;
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leastmsgtime = -1;
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lstmsgtime = newmsgtime;
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lstmsgtime = newmsgtime;
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while(1) {
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while(1) {
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int seconds, pic;
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int seconds, pic;
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const short *sptr;
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const short *sptr;
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// LED's off ... nothing to report
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// LED's off ... nothing to report
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sys->io_spio = 0x0f0;
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sys->io_spio = 0x0f0;
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// Turn the audio off (initially)
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// Turn the audio off (initially)
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sys->io_pwm_audio = 0x0018000;
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sys->io_pwm_audio = 0x0018000;
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// Set for one ticks per second, 80M clocks per tick
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// Set for one ticks per second, 80M clocks per tick
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sys->io_timer = TM_ONE_SECOND | TM_REPEAT;
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sys->io_timer = TM_ONE_SECOND | TM_REPEAT;
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// We start by waiting for a doorbell
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// We start by waiting for a doorbell
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while(((pic=sys->io_pic) & INT_BUTTON)==0) {
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while(((pic=sys->io_pic) & INT_BUTTON)==0) {
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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if (pic & INT_TIMER) {// top of second
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if (pic & INT_TIMER) {// top of second
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sys->io_pic = INT_TIMER;
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sys->io_pic = INT_TIMER;
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rtcclock = rtcnext(rtcclock);
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rtcclock = rtcnext(rtcclock);
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// Turn all LED off (again)
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// Turn all LED off (again)
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sys->io_spio = 0x0f0;
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sys->io_spio = 0x0f0;
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if (*dpyptr == '\0') {
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if (*dpyptr == '\0') {
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// Build a message for the display
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// Build a message for the display
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build_dpymsg(dpymsg, rtcclock);
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build_dpymsg(dpymsg, rtcclock);
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dpyptr = dpymsg;
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dpyptr = dpymsg;
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}if(((rtcclock & 0x0ff)==0)&&(*uartptr=='\0')){
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}if(((rtcclock & 0x0ff)==0)&&(*uartptr=='\0')){
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build_uartmsg(uartmsg, rtcclock);
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build_uartmsg(uartmsg, rtcclock);
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uartptr = uartmsg;
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uartptr = uartmsg;
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// Turn one LED on--top of minute
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// Turn one LED on--top of minute
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sys->io_spio = 0x0f1;
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sys->io_spio = 0x0f1;
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newmsgtime = sys->io_timer;
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newmsgtime = sys->io_timer;
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lstmsgtime = -1;
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lstmsgtime = -1;
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leastmsgtime = -1;
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leastmsgtime = -1;
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}
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}
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}
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}
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if (*uartptr) {
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if (*uartptr) {
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if (pic & INT_UARTTX) {
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if (pic & INT_UARTTX) {
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sys->io_uart = *uartptr++;
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sys->io_uart = *uartptr++;
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sys->io_spio = 0x22;
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sys->io_spio = 0x22;
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sys->io_pic = INT_UARTTX;
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sys->io_pic = INT_UARTTX;
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if (lstmsgtime != -1) {
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if (lstmsgtime != -1) {
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int tmp;
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int tmp;
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tmp = (lstmsgtime-sys->io_timer);
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tmp = (lstmsgtime-sys->io_timer);
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if ((leastmsgtime<0)||(tmp<leastmsgtime))
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if ((leastmsgtime<0)||(tmp<leastmsgtime))
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leastmsgtime = tmp;
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leastmsgtime = tmp;
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} lstmsgtime = sys->io_timer;
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} lstmsgtime = sys->io_timer;
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}
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}
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} else {
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} else {
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sys->io_spio = 0x20;
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sys->io_spio = 0x20;
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}
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}
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if (*dpyptr) {
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if (*dpyptr) {
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// This will take a long time. It should be an
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// This will take a long time. It should be an
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// interruptable task ... but, sigh, we're not
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// interruptable task ... but, sigh, we're not
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// there yet.
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// there yet.
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dispchar(*dpyptr++);
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dispchar(*dpyptr++);
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sys->io_spio = 0x44;
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sys->io_spio = 0x44;
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} else {
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} else {
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sys->io_spio = 0x40;
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sys->io_spio = 0x40;
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} // sys->io_pic = (pic & (INT_TIMER|INT_UARTTX));
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} // sys->io_pic = (pic & (INT_TIMER|INT_UARTTX));
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}
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}
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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// DOORBELL!!!!!!
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// DOORBELL!!!!!!
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// Set the Display message
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// Set the Display message
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strcpy(dpymsg, "a[jDoorbell!");
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strcpy(dpymsg, "a[jDoorbell!");
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dpymsg[0] = 0x1b;
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dpymsg[0] = 0x1b;
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dpyptr = dpymsg;
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dpyptr = dpymsg;
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// And the UART message / 18 characters
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// And the UART message / 18 characters
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uartptr = uartmsg;
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uartptr = uartmsg;
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strcat(uartptr, "\r\nDoorbell!\r\n\r\n");
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strcat(uartptr, "\r\nDoorbell!\r\n\r\n");
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uartptr = uartmsg;
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uartptr = uartmsg;
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seconds = 0;
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seconds = 0;
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sys->io_spio = 0x0ff; // All LED's on: we got one!
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sys->io_spio = 0x0ff; // All LED's on: we got one!
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sptr = sound_data;
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sptr = sound_data;
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sys->io_pwm_audio = 0x0310000; // Turn on the audio
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sys->io_pwm_audio = 0x0310000; // Turn on the audio
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while(sptr < &sound_data[NSAMPLE_WORDS]) {
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while(sptr < &sound_data[NSAMPLE_WORDS]) {
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do {
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do {
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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pic = sys->io_pic;
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pic = sys->io_pic;
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if (pic & INT_TIMER) {
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if (pic & INT_TIMER) {
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sys->io_pic = INT_TIMER;
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sys->io_pic = INT_TIMER;
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seconds++;
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seconds++;
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rtcclock = rtcnext(rtcclock);
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rtcclock = rtcnext(rtcclock);
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} if ((pic & INT_UARTTX)&&(*uartptr)) {
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} if ((pic & INT_UARTTX)&&(*uartptr)) {
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sys->io_uart = *uartptr++;
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sys->io_uart = *uartptr++;
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sys->io_pic = INT_UARTTX;
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sys->io_pic = INT_UARTTX;
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sys->io_spio = 0x22;
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sys->io_spio = 0x22;
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} else if (!*uartptr)
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} else if (!*uartptr)
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sys->io_spio = 0x20;
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sys->io_spio = 0x20;
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if (*dpyptr) {
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if (*dpyptr) {
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// This will take a long time. It should be an
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// This will take a long time. It should be an
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// interruptable task ... but, sigh, we're not
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// interruptable task ... but, sigh, we're not
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// there yet.
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// there yet.
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dispchar(*dpyptr++);
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dispchar(*dpyptr++);
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sys->io_spio = 0x45;
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sys->io_spio = 0x45;
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} else
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} else
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sys->io_spio = 0x40;
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sys->io_spio = 0x40;
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} while((pic & INT_AUDIO)==0);
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} while((pic & INT_AUDIO)==0);
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sys->io_pwm_audio = (*sptr++) & 0x0ffff;
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sys->io_pwm_audio = (*sptr++) & 0x0ffff;
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// Now, turn off the audio interrupt since it doesn't
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// Now, turn off the audio interrupt since it doesn't
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// reset itself ...
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// reset itself ...
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sys->io_pic = INT_AUDIO;
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sys->io_pic = INT_AUDIO;
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} sys->io_pic = INT_BUTTON;
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} sys->io_pic = INT_BUTTON;
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sys->io_spio = 0x10;
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sys->io_spio = 0x10;
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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// Now we wait for the end of our 30 second window
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// Now we wait for the end of our 30 second window
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sys->io_spio = 0x0f8;
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sys->io_spio = 0x0f8;
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sys->io_pwm_audio = 0x018000; // Turn off the Audio device
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sys->io_pwm_audio = 0x018000; // Turn off the Audio device
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while(seconds < 30) {
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while(seconds < 30) {
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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pic = sys->io_pic;
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pic = sys->io_pic;
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if (pic & INT_TIMER) {
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if (pic & INT_TIMER) {
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sys->io_pic = INT_TIMER;
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sys->io_pic = INT_TIMER;
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seconds++;
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seconds++;
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rtcclock = rtcnext(rtcclock);
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rtcclock = rtcnext(rtcclock);
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} if (pic & INT_BUTTON) {
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} if (pic & INT_BUTTON) {
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sys->io_pic = INT_BUTTON;
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sys->io_pic = INT_BUTTON;
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seconds = 0;
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seconds = 0;
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}
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}
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} sys->io_pic = INT_BUTTON;
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} sys->io_pic = INT_BUTTON;
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TOUCH_WATCHDOG;
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TOUCH_WATCHDOG;
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}
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}
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}
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}
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|
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void build_dpymsg(char *msg, unsigned clk) {
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void build_dpymsg(char *msg, unsigned clk) {
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msg[0] = 0x1b;
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msg[0] = 0x1b;
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strcpy(++msg, "[jClock : ");
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strcpy(++msg, "[jClock : ");
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msg += strlen(msg);
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msg += strlen(msg);
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|
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if ((clk>>20)&0x0f)
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if ((clk>>20)&0x0f)
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*msg++ |= (((clk>>20)&0x0f)+'0');
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*msg++ |= (((clk>>20)&0x0f)+'0');
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else
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else
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*msg++ |= ' ';
|
*msg++ |= ' ';
|
*msg++ = (((clk>>16)&0x0f)+'0');
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*msg++ = (((clk>>16)&0x0f)+'0');
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*msg++ = ':';
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*msg++ = ':';
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*msg++ = (((clk>>12)&0x0f)+'0');
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*msg++ = (((clk>>12)&0x0f)+'0');
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*msg++ = (((clk>> 8)&0x0f)+'0');
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*msg++ = (((clk>> 8)&0x0f)+'0');
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*msg++ = ':';
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*msg++ = ':';
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*msg++ = (((clk>> 4)&0x0f)+'0');
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*msg++ = (((clk>> 4)&0x0f)+'0');
|
*msg++ = (((clk )&0x0f)+'0');
|
*msg++ = (((clk )&0x0f)+'0');
|
*msg++ = 0;
|
*msg++ = 0;
|
}
|
}
|
|
|
void build_uartmsg(char *msg, unsigned clk) {
|
void build_uartmsg(char *msg, unsigned clk) {
|
strcpy(msg, "Time: ");
|
strcpy(msg, "Time: ");
|
msg += strlen(msg);
|
msg += strlen(msg);
|
*msg++ = ((clk>>20)&0x03)+'0'; // Hrs
|
*msg++ = ((clk>>20)&0x03)+'0'; // Hrs
|
*msg++ = ((clk>>16)&0x0f)+'0';
|
*msg++ = ((clk>>16)&0x0f)+'0';
|
*msg++ = ':';
|
*msg++ = ':';
|
*msg++ = ((clk>>12)&0x0f)+'0'; // Mins
|
*msg++ = ((clk>>12)&0x0f)+'0'; // Mins
|
*msg++ = ((clk>> 8)&0x0f)+'0';
|
*msg++ = ((clk>> 8)&0x0f)+'0';
|
*msg++ = '\r'; // 11
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*msg++ = '\r'; // 11
|
*msg++ = '\n'; // 12
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*msg++ = '\n'; // 12
|
*msg++ = '\0';
|
*msg++ = '\0';
|
*msg++ = '\0';
|
*msg++ = '\0';
|
}
|
}
|
|
|
void showval(int val) {
|
void showval(int val) {
|
// Clear and home
|
// Clear and home
|
dispchar(0x1b);
|
dispchar(0x1b);
|
dispchar('[');
|
dispchar('[');
|
dispchar('j');
|
dispchar('j');
|
for(int i=28; i>=0; i-=4) {
|
for(int i=28; i>=0; i-=4) {
|
int ch = ((val>>i)&0x0f)+'0';
|
int ch = ((val>>i)&0x0f)+'0';
|
if (ch > '9')
|
if (ch > '9')
|
ch = ch - '0'+'A'-10;
|
ch = ch - '0'+'A'-10;
|
dispchar(ch);
|
dispchar(ch);
|
}
|
}
|
}
|
}
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|
|
