////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: doorbell.c
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// Filename: doorbell.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:
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// Purpose:
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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) 2015-2016, Gisselquist Technology, LLC
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// Copyright (C) 2015-2016, 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 "zipsys.h"
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#include "zipsys.h"
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#include "board.h"
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#include "board.h"
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#include "ksched.h"
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#include "ksched.h"
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#include "kfildes.h"
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#include "kfildes.h"
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#include "taskp.h"
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#include "taskp.h"
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#include "syspipe.h"
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#include "syspipe.h"
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#include "ktraps.h"
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#include "ktraps.h"
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#include "errno.h"
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#include "errno.h"
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#include "swint.h"
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#include "swint.h"
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|
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#include "../dev/display.h"
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#include "../dev/display.h"
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#include "../dev/rtcsim.h"
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#include "../dev/rtcsim.h"
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|
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/* Our system will need some pipes to handle ... life. How about these:
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/* Our system will need some pipes to handle ... life. How about these:
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*
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*
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* rxpipe - read()s from this pipe read from the UART
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* rxpipe - read()s from this pipe read from the UART
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* Interrupt fed
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* Interrupt fed
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* txpipe - write()s to this pipe write to the UART
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* txpipe - write()s to this pipe write to the UART
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* Interrupt consumed
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* Interrupt consumed
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* keypipe - read()s from this pipe return values read by the keypad
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* keypipe - read()s from this pipe return values read by the keypad
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* lcdpipe - write()s to this pipe write to the LCD display SPI port
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* lcdpipe - write()s to this pipe write to the LCD display SPI port
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* pwmpipe - write()s to this pipe will send values to the audio port
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* pwmpipe - write()s to this pipe will send values to the audio port
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* Interrupt consumed
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* Interrupt consumed
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* cmdpipe - written to by the user command task, read by the display task
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* cmdpipe - written to by the user command task, read by the display task
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* used to communicate menu status
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* used to communicate menu status
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*
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*
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*/
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*/
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|
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/* We'll need some tasks as well:
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/* We'll need some tasks as well:
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* User command task
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* User command task
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* Handles user interaction
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* Handles user interaction
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* Reads from pipe--either the keypad or the UARTRX pipe
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* Reads from pipe--either the keypad or the UARTRX pipe
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* (Might be two such tasks in the system, one for each.)
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* (Might be two such tasks in the system, one for each.)
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* Sets clock upon request
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* Sets clock upon request
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* Reads from a pipe (rxpipe or keypipe), Writes to the txpipe pipe
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* Reads from a pipe (rxpipe or keypipe), Writes to the txpipe pipe
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* Doorbell task
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* Doorbell task
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* Maintains system time on the clock : TIME: HH:MM:SS
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* Maintains system time on the clock : TIME: HH:MM:SS
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* Maintains system status on display : Light is (dis/en)abled
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* Maintains system status on display : Light is (dis/en)abled
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* Transitions when the doorbell is rung to: (fixed time line)
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* Transitions when the doorbell is rung to: (fixed time line)
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* : DOORBELL!!
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* : DOORBELL!!
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* When the doorbell is clear, returns to the original task.
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* When the doorbell is clear, returns to the original task.
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* ---
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* ---
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* Waits on events, writes to the lcdpipe and pwmpipe.
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* Waits on events, writes to the lcdpipe and pwmpipe.
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* Reads from a command pipe, so that it can handle any user menu's
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* Reads from a command pipe, so that it can handle any user menu's
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* Command pipe. This, though, is tricky. It requires
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* Command pipe. This, though, is tricky. It requires
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* a task that can be interrupted by either an event or a
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* a task that can be interrupted by either an event or a
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* pipe. Blocking is going to be more tricky ...
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* pipe. Blocking is going to be more tricky ...
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* Keypad task
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* Keypad task
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* Normally, you might think this should be an interrupt task.
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* Normally, you might think this should be an interrupt task.
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* But, it needs state in order to have timeouts and to debounce
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* But, it needs state in order to have timeouts and to debounce
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* the input pin. So ... let's leave this as a task.
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* the input pin. So ... let's leave this as a task.
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* ---
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* ---
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* Waits on events(keypad/timer), writes to the keypipe
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* Waits on events(keypad/timer), writes to the keypipe
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* Display task
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* Display task
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* The display does *not* need to be written to at an interrupt
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* The display does *not* need to be written to at an interrupt
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* level. It really needs to be written to at a task level, so
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* level. It really needs to be written to at a task level, so
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* let's make a display task.
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* let's make a display task.
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* ---
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* ---
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* Reads from the lcdpipe
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* Reads from the lcdpipe
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* Real-time Clock Task
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* Real-time Clock Task
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* Gets called once per second to update the real-time clock
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* Gets called once per second to update the real-time clock
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* and to post those updates as an event to other tasks that might
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* and to post those updates as an event to other tasks that might
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* be interested in it.
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* be interested in it.
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* ---
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* ---
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* Waits on system tasks, uses two semaphores
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* Waits on system tasks, uses two semaphores
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*/
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*/
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|
|
|
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/*
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/*
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* Read the keypad, write the results to an output pipe
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* Read the keypad, write the results to an output pipe
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*/
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*/
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// #define KEYPAD_TASK keypad_task_id
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// #define KEYPAD_TASK keypad_task_id
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/*
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/*
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* Maintain a realtime clock
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* Maintain a realtime clock
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*/
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*/
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#define RTCCLOCK_TASK rtccclock_task_id
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#define RTCCLOCK_TASK rtccclock_task_id
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/*
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/*
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* Read from an incoming pipe, write results to the SPI port controlling the
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* Read from an incoming pipe, write results to the SPI port controlling the
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* display.
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* display.
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*/
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*/
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#define DISPLAY_TASK display_task_id
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#define DISPLAY_TASK display_task_id
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|
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/*
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/*
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* Wait for a button press, and then based upon the clock set a light
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* Wait for a button press, and then based upon the clock set a light
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*/
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*/
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#define DOORBELL_TASK doorbell_task_id
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#define DOORBELL_TASK doorbell_task_id
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|
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/*
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/*
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* Interract with any user commands, such as setting the clock, setting
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* Interract with any user commands, such as setting the clock, setting
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* nighttime (when the lights turn on) or setting daytime when only the
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* nighttime (when the lights turn on) or setting daytime when only the
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* doorbell rings.
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* doorbell rings.
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*/
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*/
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// #define COMMAND_TASK command_task_id
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// #define COMMAND_TASK command_task_id
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#define LAST_TASK last_task_id
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#define LAST_TASK last_task_id
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|
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typedef enum {
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typedef enum {
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#ifdef RTCCLOCK_TASK
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#ifdef RTCCLOCK_TASK
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RTCCLOCK_TASK,
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RTCCLOCK_TASK,
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#endif
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#endif
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#ifdef DOORBELL_TASK
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#ifdef DOORBELL_TASK
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#ifdef DISPLAY_TASK
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#ifdef DISPLAY_TASK
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DOORBELL_TASK, DISPLAY_TASK,
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DOORBELL_TASK, DISPLAY_TASK,
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#endif
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#endif
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#endif
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#endif
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#ifdef KEYPAD_TASK
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#ifdef KEYPAD_TASK
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KEYPAD_TASK,
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KEYPAD_TASK,
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#endif
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#endif
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#ifdef COMMAND_TASK
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#ifdef COMMAND_TASK
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COMMAND_TASK,
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COMMAND_TASK,
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#endif
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#endif
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LAST_TASK
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LAST_TASK
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} TASKNAME;
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} TASKNAME;
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|
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|
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void rtctask(void),
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void rtctask(void),
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doorbell_task(void),
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doorbell_task(void),
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display_task(void),
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display_task(void),
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keypad_task(void),
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keypad_task(void),
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command_task(void);
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command_task(void);
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// idle_task ... is accomplished within the kernel
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// idle_task ... is accomplished within the kernel
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extern void restore_context(int *), save_context(int *);
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extern void restore_context(int *), save_context(int *);
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extern SYSPIPE *rxpipe, *txpipe, *pwmpipe, *lcdpipe;
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extern SYSPIPE *rxpipe, *txpipe, *pwmpipe, *lcdpipe;
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SYSPIPE *midpipe;
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SYSPIPE *midpipe;
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extern KDEVICE *pipedev;
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extern KDEVICE *pipedev;
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|
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int kntasks(void) {
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int kntasks(void) {
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return LAST_TASK;
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return LAST_TASK;
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} void kinit(TASKP *tasklist) {
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} void kinit(TASKP *tasklist) {
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#ifdef RTCCLOCK_TASK
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#ifdef RTCCLOCK_TASK
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//
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//
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tasklist[RTCCLOCK_TASK] = new_task(16, rtctask);
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tasklist[RTCCLOCK_TASK] = new_task(16, rtctask);
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#endif
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#endif
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#ifdef DOORBELL_TASK
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#ifdef DOORBELL_TASK
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#ifdef DISPLAY_TASK
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#ifdef DISPLAY_TASK
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//
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// 13 + 10 +9(uwrite)+4(uarthex)+2(uartstr)+2(uartchr)
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tasklist[DOORBELL_TASK] = new_task(64, doorbell_task);
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tasklist[DOORBELL_TASK] = new_task(64, doorbell_task);
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT] = sys_malloc(sizeof(KFILDES));
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT] = sys_malloc(sizeof(KFILDES));
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]->id = (int)lcdpipe;
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]->id = (int)lcdpipe;
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]->dev= pipedev;
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tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]->dev= pipedev;
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tasklist[DOORBELL_TASK]->fd[FILENO_STDERR] = sys_malloc(sizeof(KFILDES));
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tasklist[DOORBELL_TASK]->fd[FILENO_STDERR]->id = (int)txpipe;
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tasklist[DOORBELL_TASK]->fd[FILENO_STDERR]->dev= pipedev;
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX] = sys_malloc(sizeof(KFILDES));
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX] = sys_malloc(sizeof(KFILDES));
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX]->id = (int)pwmpipe;
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX]->id = (int)pwmpipe;
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX]->dev= pipedev;
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tasklist[DOORBELL_TASK]->fd[FILENO_AUX]->dev= pipedev;
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|
|
//
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//
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tasklist[DISPLAY_TASK] = new_task(32, display_task);
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tasklist[DISPLAY_TASK] = new_task(32, display_task);
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN] = sys_malloc(sizeof(KFILDES));
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN] = sys_malloc(sizeof(KFILDES));
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN]->id = (int)lcdpipe;
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN]->id = (int)lcdpipe;
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN]->dev= pipedev;
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tasklist[DISPLAY_TASK]->fd[FILENO_STDIN]->dev= pipedev;
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#endif
|
#endif
|
#endif
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#endif
|
|
|
|
|
#ifdef KEYPAD_TASK
|
#ifdef KEYPAD_TASK
|
tasklist[KEYPAD_TASK] = new_task(16, keypad_task);
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tasklist[KEYPAD_TASK] = new_task(16, keypad_task);
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tasklist[KEYPAD_TASK]->fd[FILENO_STDOUT] = sys_malloc(sizeof(KFILDES));
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tasklist[KEYPAD_TASK]->fd[FILENO_STDOUT] = sys_malloc(sizeof(KFILDES));
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tasklist[NMEA_TASK]->fd[FILENO_STDOUT]->id = (int)keypipe;
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tasklist[NMEA_TASK]->fd[FILENO_STDOUT]->id = (int)keypipe;
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tasklist[NMEA_TASK]->fd[FILENO_STDOUT]->dev= pipedev;
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tasklist[NMEA_TASK]->fd[FILENO_STDOUT]->dev= pipedev;
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#endif
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#endif
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}
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}
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|
|
#ifdef DOORBELL_TASK
|
#ifdef DOORBELL_TASK
|
// #define HALF_HOUR_S 1800 // Seconds per half hour
|
// #define HALF_HOUR_S 1800 // Seconds per half hour
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// #define HALF_HOUR_S 180 // Seconds per three minutes--for test
|
// #define HALF_HOUR_S 180 // Seconds per three minutes--for test
|
#define HALF_HOUR_S 30 // 3 Mins is to long, here's 3 seconds
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#define HALF_HOUR_S 30 // 3 Mins is to long, here's 3 seconds
|
|
|
#include "../dev/samples.c"
|
#include "../dev/samples.c"
|
|
|
const unsigned dawn = 0x060000, dusk = 0x180000;
|
const unsigned dawn = 0x060000, dusk = 0x180000;
|
|
int nwritten = 0, nread = 0, nstarts = 0;
|
|
|
void shownow(unsigned now) { // Uses 10 stack slots + 8 for write()
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void shownow(unsigned now) { // Uses 10 stack slots + 8 for write()
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char dmsg[9];
|
char dmsg[9];
|
dmsg[0] = PACK(0x1b,'[','j','T');
|
dmsg[0] = PACK(0x1b,'[','j','T');
|
dmsg[1] = PACK('i','m','e',':');
|
dmsg[1] = PACK('i','m','e',':');
|
dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
|
dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
|
((now>>16)&0xf)+'0',':');
|
((now>>16)&0xf)+'0',':');
|
dmsg[3] = PACK( ((now>>12)&0xf)+'0',
|
dmsg[3] = PACK( ((now>>12)&0xf)+'0',
|
((now>> 8)&0xf)+'0',
|
((now>> 8)&0xf)+'0',
|
':',
|
':',
|
((now>> 4)&0xf)+'0');
|
((now>> 4)&0xf)+'0');
|
dmsg[4] = PACK( ((now )&0xf)+'0',
|
dmsg[4] = PACK( ((now )&0xf)+'0',
|
0x1b, '[', '1');
|
0x1b, '[', '1');
|
dmsg[5] = PACK(';','0','H',' ');
|
dmsg[5] = PACK(';','0','H',' ');
|
if ((now < dawn)||(now > dusk)) {
|
if ((now < dawn)||(now > dusk)) {
|
dmsg[6] = PACK('N','i','g','h');
|
dmsg[6] = PACK('N','i','g','h');
|
dmsg[7] = PACK('t',' ','t','i');
|
dmsg[7] = PACK('t',' ','t','i');
|
dmsg[8] = PACK('m','e',0,0);
|
dmsg[8] = PACK('m','e',0,0);
|
} else {
|
} else {
|
dmsg[6] = PACK('D','a','y','l');
|
dmsg[6] = PACK('D','a','y','l');
|
dmsg[7] = PACK('i','g','h','t');
|
dmsg[7] = PACK('i','g','h','t');
|
dmsg[8] = PACK('!',' ',0,0);
|
dmsg[8] = PACK('!',' ',0,0);
|
} write(FILENO_STDOUT, dmsg, 9);
|
} write(FILENO_STDOUT, dmsg, 9);
|
}
|
}
|
|
|
void showbell(unsigned now) { // Uses 10 stack slots + 8 for write()
|
void showbell(unsigned now) { // Uses 10 stack slots + 8 for write()
|
char dmsg[9];
|
char dmsg[9];
|
dmsg[0] = PACK(0x1b,'[','j','T');
|
dmsg[0] = PACK(0x1b,'[','j','T');
|
dmsg[1] = PACK('i','m','e',':');
|
dmsg[1] = PACK('i','m','e',':');
|
dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
|
dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
|
((now>>16)&0xf)+'0',':');
|
((now>>16)&0xf)+'0',':');
|
dmsg[3] = PACK( ((now>>12)&0xf)+'0',
|
dmsg[3] = PACK( ((now>>12)&0xf)+'0',
|
((now>> 8)&0xf)+'0',
|
((now>> 8)&0xf)+'0',
|
':',
|
':',
|
((now>> 4)&0xf)+'0');
|
((now>> 4)&0xf)+'0');
|
dmsg[4] = PACK( ((now )&0xf)+'0',
|
dmsg[4] = PACK( ((now )&0xf)+'0',
|
0x1b, '[', '1');
|
0x1b, '[', '1');
|
dmsg[5] = PACK(';','0','H',' ');
|
dmsg[5] = PACK(';','0','H',' ');
|
dmsg[6] = PACK('D','o','o','r');
|
dmsg[6] = PACK('D','o','o','r');
|
dmsg[7] = PACK('b','e','l','l');
|
dmsg[7] = PACK('b','e','l','l');
|
dmsg[8] = PACK('!',' ',0,0);
|
dmsg[8] = PACK('!',' ',0,0);
|
write(FILENO_STDOUT, dmsg, 9);
|
write(FILENO_STDOUT, dmsg, 9);
|
}
|
}
|
|
|
void belllight(unsigned now) {
|
void belllight(unsigned now) {
|
IOSPACE *sys = (IOSPACE *)IOADDR;
|
IOSPACE *sys = (IOSPACE *)IOADDR;
|
if ((now < dawn)||(now > dusk))
|
if ((now < dawn)||(now > dusk))
|
sys->io_spio = 0x088; // Turn our light on
|
sys->io_spio = 0x088; // Turn our light on
|
else
|
else
|
sys->io_spio = 0x80; // Turn light off
|
sys->io_spio = 0x80; // Turn light off
|
}
|
}
|
|
|
|
void uartchr(char v) {
|
|
if (write(FILENO_STDERR, &v, 1) != 1)
|
|
write(FILENO_STDERR, "APPLE-PANIC", 11);
|
|
}
|
|
|
|
void uartstr(const char *str) {
|
|
int cnt=0;
|
|
while(str[cnt])
|
|
cnt++;
|
|
if (cnt != write(FILENO_STDERR, str, cnt))
|
|
write(FILENO_STDERR, "PIPE-PANIC", 10);
|
|
}
|
|
|
|
void uarthex(int num) {
|
|
for(int ds=28; ds>=0; ds-=4) {
|
|
int ch;
|
|
ch = (num>>ds)&0x0f;
|
|
if (ch >= 10)
|
|
ch = 'A'+ch-10;
|
|
else
|
|
ch += '0';
|
|
uartchr(ch);
|
|
} uartstr("\r\n\0");
|
|
}
|
|
|
void doorbell_task(void) {
|
void doorbell_task(void) {
|
// Controls LED 0x08
|
// Controls LED 0x08
|
|
|
// Start by initializing the display to GT Gisselquist\nTechnology
|
// Start by initializing the display to GT Gisselquist\nTechnology
|
// write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
|
// write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
|
// write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
|
// write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
|
// write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
|
// write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
|
// write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
|
// write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
|
|
|
IOSPACE *sys = (IOSPACE *)IOADDR;
|
IOSPACE *sys = (IOSPACE *)IOADDR;
|
|
|
while(1) {
|
while(1) {
|
|
nread = nwritten = 0;
|
int event;
|
int event;
|
// Initial state: doorbell is not ringing. In this state, we
|
// Initial state: doorbell is not ringing. In this state, we
|
// can wait forever for an event
|
// can wait forever for an event
|
sys->io_spio = 0x080; // Turn our light off
|
sys->io_spio = 0x080; // Turn our light off
|
event = wait(INT_BUTTON|SWINT_PPS,-1);
|
event = wait(INT_BUTTON|SWINT_PPS,-1);
|
unsigned when = rtcclock;
|
unsigned when = rtcclock;
|
if (event & INT_BUTTON)
|
if (event & INT_BUTTON)
|
showbell(when);
|
showbell(when);
|
else if (event & SWINT_PPS)
|
else if (event & SWINT_PPS)
|
shownow(when);
|
shownow(when);
|
|
|
while(event & INT_BUTTON) {
|
while(event & INT_BUTTON) {
|
// Next state, the button has been pressed, the
|
// Next state, the button has been pressed, the
|
// doorbell is ringing
|
// doorbell is ringing
|
|
|
// Seconds records the number of seconds since the
|
// Seconds records the number of seconds since the
|
// button was last pressed.
|
// button was last pressed.
|
int seconds = 0;
|
int seconds = 0;
|
|
|
// Check time: should we turn our light on or not?
|
// Check time: should we turn our light on or not?
|
belllight(rtcclock);
|
belllight(rtcclock);
|
const int *sptr = sound_data;
|
const int *sptr = sound_data;
|
sys->io_uart = 'N';
|
// uartchr('N');
|
while(sptr < &sound_data[NSAMPLE_WORDS]) {
|
while(sptr < &sound_data[NSAMPLE_WORDS]) {
|
int len = &sound_data[NSAMPLE_WORDS]-sptr;
|
int len = &sound_data[NSAMPLE_WORDS]-sptr;
|
if (len > 256)
|
if (len > 256)
|
len = 256;
|
len = 256;
|
|
|
// We stall here, if the audio FIFO is full
|
/*
|
|
while(len > 64) {
|
|
write(FILENO_AUX, sptr, 64);
|
|
sptr += 64;
|
|
len -= 64;
|
|
}*/
|
|
|
|
// We will stall here, if the audio FIFO is full
|
write(FILENO_AUX, sptr, len);
|
write(FILENO_AUX, sptr, len);
|
sptr += len;
|
sptr += len;
|
|
nwritten += len;
|
|
|
// If the user presses the button more than
|
// If the user presses the button more than
|
// once, we start the sound over as well as
|
// once, we start the sound over as well as
|
// our light counter.
|
// our light counter.
|
event = wait(INT_BUTTON|SWINT_PPS, 0);
|
event = wait(INT_BUTTON|SWINT_PPS, 0);
|
if (event&INT_BUTTON) {
|
if (event&INT_BUTTON) {
|
if (sptr > &sound_data[2048]) {
|
if (sptr > &sound_data[2048]) {
|
sptr = sound_data;
|
sptr = sound_data;
|
seconds = 0;
|
seconds = 0;
|
when = (volatile unsigned)rtcclock;
|
when = (volatile unsigned)rtcclock;
|
showbell(when);
|
showbell(when);
|
}
|
}
|
} else if (event&SWINT_PPS) {
|
} else if (event&SWINT_PPS) {
|
seconds++;
|
seconds++;
|
belllight(rtcclock);
|
belllight(rtcclock);
|
showbell(when);
|
showbell(when);
|
}
|
}
|
}
|
}
|
|
|
sys->io_uart = 'D';
|
uartchr('D');
|
|
|
// Next state: the doorbell is no longer ringing, but
|
// Next state: the doorbell is no longer ringing, but
|
// we have yet to return to normal--the light is still
|
// we have yet to return to normal--the light is still
|
// on.
|
// on.
|
while((seconds < HALF_HOUR_S)&&
|
while((seconds < HALF_HOUR_S)&&
|
(((event=wait(INT_BUTTON|SWINT_PPS,-1))&INT_BUTTON)==0)) {
|
(((event=wait(INT_BUTTON|SWINT_PPS,-1))&INT_BUTTON)==0)) {
|
seconds++;
|
seconds++;
|
belllight(rtcclock);
|
belllight(rtcclock);
|
showbell(when);
|
showbell(when);
|
}
|
}
|
if (event&INT_BUTTON) {
|
if (event&INT_BUTTON) {
|
when = (volatile unsigned)rtcclock;
|
when = (volatile unsigned)rtcclock;
|
showbell(when);
|
showbell(when);
|
sys->io_uart = 'S';
|
uartchr('B');
|
}
|
}
|
}
|
}
|
|
|
|
// uartstr("\r\n");
|
|
uartstr("\r\nNWritten: "); uarthex(nwritten);
|
|
uartstr("NRead : "); uarthex(nread);
|
|
uartstr("NStarts : "); uarthex(nstarts);
|
|
nwritten = nread = nstarts = 0;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
|
|
No newline at end of file
|
No newline at end of file
|
|
|
|
/*
|
|
|
|
|
|
NWritten: 000018E7
|
|
NRead : 000018E7
|
|
NStarts : 00000001
|
|
|
|
|
|
*/
|
|
|
No newline at end of file
|
No newline at end of file
|