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2 Commits
8033e2dc5d
...
1ba14d734c
| Author | SHA1 | Date | |
|---|---|---|---|
| 1ba14d734c | |||
| 0739dca655 |
@ -5,7 +5,6 @@
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* Nucleo F401RE port file. This file contain the implementation of driver
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* Nucleo F401RE port file. This file contain the implementation of driver
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* calls for F401RE board.
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* calls for F401RE board.
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*
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*
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||||||
* Created on: May 23, 2020
|
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* Author: Christos Choutouridis AEM: 8997
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* Author: Christos Choutouridis AEM: 8997
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||||||
* email : <cchoutou@ece.auth.gr>
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* email : <cchoutou@ece.auth.gr>
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||||||
*/
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*/
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@ -123,7 +122,14 @@ void HAL_Delay(uint32_t Delay) {
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/*
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/*
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* ================ Jiffies ======================
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* ================ Jiffies ======================
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*/
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*/
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/*!
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* Provide jiffy compatible set frequency functionality
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* \param jf_freq The desire frequency
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* \param jiffies The number of steps (jiffies)
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* \return The status of the operation
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* \arg 0 Success
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* \arg 1 Fail
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*/
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int JF_setfreq (uint32_t jf_freq, uint32_t jiffies) {
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int JF_setfreq (uint32_t jf_freq, uint32_t jiffies) {
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uint32_t psc=0;
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uint32_t psc=0;
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@ -5,7 +5,6 @@
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* Nucleo F401RE port file. This file contain the implementation of driver
|
* Nucleo F401RE port file. This file contain the implementation of driver
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||||||
* calls for F401RE board.
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* calls for F401RE board.
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||||||
*
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*
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||||||
* Created on: May 23, 2020
|
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* Author: Christos Choutouridis AEM: 8997
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* Author: Christos Choutouridis AEM: 8997
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||||||
* email : <cchoutou@ece.auth.gr>
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* email : <cchoutou@ece.auth.gr>
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*/
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*/
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@ -28,7 +27,6 @@ typedef enum {
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}LLD_Status_en;
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}LLD_Status_en;
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typedef uint8_t din_t;
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typedef uint8_t din_t;
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//typedef int adc_t;
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#define OFF (0)
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#define OFF (0)
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#define ON (!OFF)
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#define ON (!OFF)
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@ -3,20 +3,8 @@
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* \brief
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* \brief
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* A target independent Alpharithmetic LCD driver
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* A target independent Alpharithmetic LCD driver
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*
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*
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* Copyright (C) 2014 Houtouridis Christos (http://www.houtouridis.net)
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* Author: Christos Choutouridis AEM: 8997
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*
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* email : <cchoutou@ece.auth.gr>
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* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
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||||||
*
|
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* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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*
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*
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*/
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*/
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|
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@ -3,20 +3,8 @@
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* \brief
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* \brief
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* A target independent Alpharithmetic LCD driver
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* A target independent Alpharithmetic LCD driver
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*
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*
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* Copyright (C) 2014 Christos Choutouridis (http://www.houtouridis.net)
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* Author: Christos Choutouridis AEM: 8997
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||||||
*
|
* email : <cchoutou@ece.auth.gr>
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||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
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||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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*
|
*
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*/
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*/
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|
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@ -3,20 +3,8 @@
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* \brief
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* \brief
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* This file provides double ended queue capability based on a ring buffer
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* This file provides double ended queue capability based on a ring buffer
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*
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*
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* Copyright (C) 2014 Houtouridis Christos <houtouridis.ch@gmail.com>
|
* Author: Christos Choutouridis AEM: 8997
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||||||
*
|
* email : <cchoutou@ece.auth.gr>
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||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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||||||
*
|
*
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||||||
*/
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*/
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#include "deque08.h"
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#include "deque08.h"
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@ -3,20 +3,8 @@
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* \brief
|
* \brief
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||||||
* This file provides double ended queue capability based on a ring buffer
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* This file provides double ended queue capability based on a ring buffer
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*
|
*
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||||||
* Copyright (C) 2014 Houtouridis Christos <houtouridis.ch@gmail.com>
|
* Author: Christos Choutouridis AEM: 8997
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||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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||||||
*
|
*
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||||||
*/
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*/
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#ifndef __deque08_h__
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#ifndef __deque08_h__
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@ -1,20 +1,8 @@
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/*!
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/*!
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* \file driver_types.h
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* \file driver_types.h
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*
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*
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||||||
* Copyright (C) 2020 Choutouridis Christos <cchoutou@ece.auth.gr>
|
* Author: Christos Choutouridis AEM: 8997
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||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
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*
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||||||
*/
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*/
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||||||
|
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@ -1,20 +1,8 @@
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/*!
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/*!
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* \file hal.c
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* \file hal.c
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*
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*
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||||||
* Copyright (C) 2020 Choutouridis Christos (http://www.houtouridis.net)
|
* Author: Christos Choutouridis AEM: 8997
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||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
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*
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||||||
*/
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*/
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#include "hal.h"
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#include "hal.h"
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@ -30,7 +18,6 @@ proximity_t prox;
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|
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/*!
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/*!
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* Initialize all hardware
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* Initialize all hardware
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* @return
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*/
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*/
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int hal_hw_init (void) {
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int hal_hw_init (void) {
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// Init base board
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// Init base board
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@ -67,14 +54,17 @@ void lcd_init (void) {
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alcd_init (&alcd, (alcd_funset_en)LCD_FUNSET_2L8);
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alcd_init (&alcd, (alcd_funset_en)LCD_FUNSET_2L8);
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}
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}
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//! lcd enable wrapper
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__INLINE void lcd_enable (uint8_t en) {
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__INLINE void lcd_enable (uint8_t en) {
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alcd_enable(&alcd, en);
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alcd_enable(&alcd, en);
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}
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}
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|
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||||||
|
//!< lcd putchar wrapper
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__INLINE int lcd_putchar (char c) {
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__INLINE int lcd_putchar (char c) {
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return alcd_putchar(&alcd, c);
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return alcd_putchar(&alcd, c);
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}
|
}
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|
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|
//! lcd puts wrapper
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int lcd_puts (const char *s) {
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int lcd_puts (const char *s) {
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int i =0;
|
int i =0;
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while (alcd_putchar(&alcd, *s++))
|
while (alcd_putchar(&alcd, *s++))
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@ -91,6 +81,9 @@ __INLINE void led_green (uint8_t en) { LED_GREEN (en); }
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/*
|
/*
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||||||
* ========= Relay ===========
|
* ========= Relay ===========
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||||||
*/
|
*/
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||||||
|
/*!
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||||||
|
* Create pulses to re-state reay coil
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|
*/
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void relay (uint8_t on) {
|
void relay (uint8_t on) {
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switch (on) {
|
switch (on) {
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case 0:
|
case 0:
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||||||
@ -113,19 +106,23 @@ void relay (uint8_t on) {
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uint8_t ds18b20_rom[8];
|
uint8_t ds18b20_rom[8];
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uint8_t zero_rom[8] = {0};
|
uint8_t zero_rom[8] = {0};
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Initialize temperature measurement system
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||||||
|
*/
|
||||||
int temp_init (uint8_t resolution) {
|
int temp_init (uint8_t resolution) {
|
||||||
if (!IS_TEMP_RESOLUTION(resolution))
|
if (!IS_TEMP_RESOLUTION(resolution))
|
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return 1;
|
return 1;
|
||||||
|
|
||||||
|
// link with hardware
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ow_uart_link_rw (&ow, (ow_uart_rw_ft)SHIELD_1W_RW);
|
ow_uart_link_rw (&ow, (ow_uart_rw_ft)SHIELD_1W_RW);
|
||||||
ow_uart_link_br (&ow, (ow_uart_br_ft)SHIELD_1W_UART_BR);
|
ow_uart_link_br (&ow, (ow_uart_br_ft)SHIELD_1W_UART_BR);
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ow_uart_set_timing (&ow, OW_UART_T_STANDARD);
|
ow_uart_set_timing (&ow, OW_UART_T_STANDARD);
|
||||||
|
|
||||||
ow_uart_init (&ow);
|
ow_uart_init (&ow); // init
|
||||||
ow_uart_search(&ow, ds18b20_rom);
|
ow_uart_search(&ow, ds18b20_rom);// do a search
|
||||||
|
|
||||||
if (!memcmp ((const void*)ds18b20_rom, (const void*)zero_rom, 8))
|
if (!memcmp ((const void*)ds18b20_rom, (const void*)zero_rom, 8))
|
||||||
return 1;
|
return 1; // if there is no DS18b20 error
|
||||||
|
|
||||||
// set resolution to 9-bit
|
// set resolution to 9-bit
|
||||||
ow_uart_reset(&ow);
|
ow_uart_reset(&ow);
|
||||||
@ -138,6 +135,9 @@ int temp_init (uint8_t resolution) {
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Temperature read functionality
|
||||||
|
*/
|
||||||
float temp_read (void) {
|
float temp_read (void) {
|
||||||
uint8_t t[2];
|
uint8_t t[2];
|
||||||
|
|
||||||
@ -164,11 +164,22 @@ float temp_read (void) {
|
|||||||
/*
|
/*
|
||||||
* ========= Proximity ===========
|
* ========= Proximity ===========
|
||||||
*/
|
*/
|
||||||
|
/*!
|
||||||
|
* Initialize proximity system
|
||||||
|
* \param p Which proximity object to initialize
|
||||||
|
*/
|
||||||
void proximity_init (proximity_t* p){
|
void proximity_init (proximity_t* p){
|
||||||
for (int i =0 ; i<PROX_READINGS ; ++i)
|
for (int i =0 ; i<PROX_READINGS ; ++i)
|
||||||
proximity(p);
|
proximity(p);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Read proximity value in [cm]
|
||||||
|
* \note
|
||||||
|
* This function also implements an embedded averaging filter
|
||||||
|
* @param p Which proximity object to use
|
||||||
|
* @return The measured distance
|
||||||
|
*/
|
||||||
float_t proximity (proximity_t* p){
|
float_t proximity (proximity_t* p){
|
||||||
float_t ret;
|
float_t ret;
|
||||||
clock_t t1, t2, mark;
|
clock_t t1, t2, mark;
|
||||||
@ -191,13 +202,14 @@ float_t proximity (proximity_t* p){
|
|||||||
return -1;
|
return -1;
|
||||||
} while (SHIELD_ECHO());
|
} while (SHIELD_ECHO());
|
||||||
|
|
||||||
|
// Calculate distance
|
||||||
SystemCoreClockUpdate();
|
SystemCoreClockUpdate();
|
||||||
uint32_t c_usec = SystemCoreClock / 1000000;
|
uint32_t c_usec = SystemCoreClock / 1000000;
|
||||||
// Load value
|
// Load value
|
||||||
p->readings[p->iter++] = (c_usec) ? ((t2 - t1)/c_usec) / 58.2 : PROX_MAX_DISTANSE;
|
p->readings[p->iter++] = (c_usec) ? ((t2 - t1)/c_usec) / 58.2 : PROX_MAX_DISTANSE;
|
||||||
p->iter %= PROX_READINGS;
|
p->iter %= PROX_READINGS;
|
||||||
|
|
||||||
// Return filtered distance
|
// Return filtered distance (moving average filter FIR)
|
||||||
ret =0;
|
ret =0;
|
||||||
for (int i=0 ; i<PROX_READINGS ; ++i)
|
for (int i=0 ; i<PROX_READINGS ; ++i)
|
||||||
ret += p->readings[i];
|
ret += p->readings[i];
|
||||||
|
|||||||
@ -1,20 +1,8 @@
|
|||||||
/*!
|
/*!
|
||||||
* \file hal.h
|
* \file hal.h
|
||||||
*
|
*
|
||||||
* Copyright (C) 2020 Choutouridis Christos (http://www.houtouridis.net)
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#ifndef DRIVERS_HAL_H_
|
#ifndef DRIVERS_HAL_H_
|
||||||
|
|||||||
@ -1,22 +1,10 @@
|
|||||||
/*
|
/*!
|
||||||
* \file jiffies.c
|
* \file jiffies.c
|
||||||
* \brief
|
* \brief
|
||||||
* A target independent jiffy functionality
|
* A target independent jiffy functionality
|
||||||
*
|
*
|
||||||
* Copyright (C) 2014 Houtouridis Christos (http://www.houtouridis.net)
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#include "jiffies.h"
|
#include "jiffies.h"
|
||||||
|
|||||||
@ -1,22 +1,10 @@
|
|||||||
/*
|
/*!
|
||||||
* \file jiffies.h
|
* \file jiffies.h
|
||||||
* \brief
|
* \brief
|
||||||
* A target independent jiffy functionality
|
* A target independent jiffy functionality
|
||||||
*
|
*
|
||||||
* Copyright (C) 2014 Houtouridis Christos (http://www.houtouridis.net)
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#ifndef __jiffies_h__
|
#ifndef __jiffies_h__
|
||||||
|
|||||||
@ -4,20 +4,8 @@
|
|||||||
* A target independent 1-wire implementation using a microprocessor's uart
|
* A target independent 1-wire implementation using a microprocessor's uart
|
||||||
* for bit timing
|
* for bit timing
|
||||||
*
|
*
|
||||||
* Copyright (C) 2015 Choutouridis Christos (http://www.houtouridis.net)
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#include "onewire_uart.h"
|
#include "onewire_uart.h"
|
||||||
|
|||||||
@ -12,20 +12,8 @@
|
|||||||
* 3) A receive function even in blocking/polling mode
|
* 3) A receive function even in blocking/polling mode
|
||||||
* 4) A baudrate set function
|
* 4) A baudrate set function
|
||||||
*
|
*
|
||||||
* Copyright (C) 2016 Choutouridis Christos <cchoutou@ece.auth.gr>
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
*
|
* email : <cchoutou@ece.auth.gr>
|
||||||
* This program is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Lesser General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public License
|
|
||||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#ifndef __onewire_uart_h__
|
#ifndef __onewire_uart_h__
|
||||||
|
|||||||
@ -29,6 +29,10 @@ static void SHIELD_SR04_Port_Init (void);
|
|||||||
* LCD_EN -- D14 -- PB9
|
* LCD_EN -- D14 -- PB9
|
||||||
* LCD_BL -- D2 -- PA10
|
* LCD_BL -- D2 -- PA10
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* LCD pin Initialize
|
||||||
|
*/
|
||||||
static void SHIELD_LCD_Port_Init (void) {
|
static void SHIELD_LCD_Port_Init (void) {
|
||||||
GPIO_InitTypeDef GPIO_InitType;
|
GPIO_InitTypeDef GPIO_InitType;
|
||||||
|
|
||||||
@ -56,6 +60,10 @@ void SHIELD_LCD_BL (uint8_t en) { _DOUTx(GPIOA, GPIO_PIN_10, en); }
|
|||||||
* LED0 -- D4 -- PB5
|
* LED0 -- D4 -- PB5
|
||||||
* LED1 -- D3 -- PB3
|
* LED1 -- D3 -- PB3
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* LED pin initialize
|
||||||
|
*/
|
||||||
static void SHIELD_LED_Port_Init (void) {
|
static void SHIELD_LED_Port_Init (void) {
|
||||||
GPIO_InitTypeDef GPIO_InitType;
|
GPIO_InitTypeDef GPIO_InitType;
|
||||||
|
|
||||||
@ -74,6 +82,10 @@ void SHIELD_LED1 (uint8_t on) { _DOUTx(GPIOB, GPIO_PIN_3, on); }
|
|||||||
* BR1 -- D10 -- PB6
|
* BR1 -- D10 -- PB6
|
||||||
* BR2 -- D9 -- PC7
|
* BR2 -- D9 -- PC7
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* H-Bridge pin initialize
|
||||||
|
*/
|
||||||
static void SHIELD_BRIDGE_Port_Init (void) {
|
static void SHIELD_BRIDGE_Port_Init (void) {
|
||||||
GPIO_InitTypeDef GPIO_InitType;
|
GPIO_InitTypeDef GPIO_InitType;
|
||||||
|
|
||||||
@ -95,6 +107,10 @@ void SHIELD_BR2 (uint8_t on) { _DOUTx(GPIOC, GPIO_PIN_7, on); }
|
|||||||
* TRIG -- D11 -- PA7
|
* TRIG -- D11 -- PA7
|
||||||
* ECHO -- D12 -- PA6
|
* ECHO -- D12 -- PA6
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* SR04 pin initialize
|
||||||
|
*/
|
||||||
static void SHIELD_SR04_Port_Init (void) {
|
static void SHIELD_SR04_Port_Init (void) {
|
||||||
GPIO_InitTypeDef GPIO_InitType;
|
GPIO_InitTypeDef GPIO_InitType;
|
||||||
|
|
||||||
@ -118,7 +134,7 @@ uint8_t SHIELD_ECHO (void) { return _DINx (GPIOA, GPIO_PIN_6); }
|
|||||||
* 1W_Tx -- PA11 (OD+PU)
|
* 1W_Tx -- PA11 (OD+PU)
|
||||||
* 1W_Rx -- PA12 (I)
|
* 1W_Rx -- PA12 (I)
|
||||||
*/
|
*/
|
||||||
static UART_HandleTypeDef h1w_uart;
|
static UART_HandleTypeDef h1w_uart; //!< 1-wire uart handle
|
||||||
|
|
||||||
/*!
|
/*!
|
||||||
* \brief
|
* \brief
|
||||||
@ -180,7 +196,7 @@ static LLD_Status_en _1W_UART_Init (void) {
|
|||||||
|
|
||||||
|
|
||||||
/*!
|
/*!
|
||||||
* Init the KEY 1wire interface and allocate all resources for it
|
* Init the 1wire interface and allocate all resources for it
|
||||||
* \return The status of the operation
|
* \return The status of the operation
|
||||||
* \arg LLD_OK Success
|
* \arg LLD_OK Success
|
||||||
* \arg LLD_ERROR The Init failed.
|
* \arg LLD_ERROR The Init failed.
|
||||||
@ -308,6 +324,9 @@ uint8_t SHIELD_1W_Tx (uint8_t byte) {
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Shield hardware initialization
|
||||||
|
*/
|
||||||
LLD_Status_en SHIELD_Init (void) {
|
LLD_Status_en SHIELD_Init (void) {
|
||||||
SHIELD_LCD_Port_Init ();
|
SHIELD_LCD_Port_Init ();
|
||||||
SHIELD_LED_Port_Init ();
|
SHIELD_LED_Port_Init ();
|
||||||
@ -324,9 +343,9 @@ LLD_Status_en SHIELD_Init (void) {
|
|||||||
* COM_Tx -- PA2 (PP)
|
* COM_Tx -- PA2 (PP)
|
||||||
* COM_Rx -- PA3 (I)
|
* COM_Rx -- PA3 (I)
|
||||||
*/
|
*/
|
||||||
static UART_HandleTypeDef com_huart;
|
static UART_HandleTypeDef com_huart; //!< com uart handle
|
||||||
static deque08_t _com_rxq;
|
static deque08_t _com_rxq; //!< deque object
|
||||||
static byte_t _com_rxbuffer[COM_BUFFER_SIZE];
|
static byte_t _com_rxbuffer[COM_BUFFER_SIZE]; //!< buffer for deque
|
||||||
|
|
||||||
/*!
|
/*!
|
||||||
* \brief
|
* \brief
|
||||||
|
|||||||
BIN
assignment_3/report/images/console.png
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assignment_3/report/images/console.png
Normal file
Binary file not shown.
|
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BIN
assignment_3/report/images/shield_pcb.png
Executable file
BIN
assignment_3/report/images/shield_pcb.png
Executable file
Binary file not shown.
|
After Width: | Height: | Size: 499 KiB |
BIN
assignment_3/report/images/ui_states.png
Normal file
BIN
assignment_3/report/images/ui_states.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 262 KiB |
601
assignment_3/report/images/ui_states.svg
Normal file
601
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After Width: | Height: | Size: 32 KiB |
BIN
assignment_3/report/report.pdf
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BIN
assignment_3/report/report.pdf
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208
assignment_3/report/report.tex
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208
assignment_3/report/report.tex
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@ -0,0 +1,208 @@
|
|||||||
|
%
|
||||||
|
% Microprocessors and peripherals 3nd assignement.
|
||||||
|
%
|
||||||
|
% author:
|
||||||
|
% Χρήστος Χουτουρίδης ΑΕΜ 8997
|
||||||
|
% cchoutou@ece.auth.gr
|
||||||
|
|
||||||
|
|
||||||
|
% Document configuration
|
||||||
|
\newcommand{\ClassName}{Μικροεπεξεργαστές και Περιφερειακά}
|
||||||
|
\newcommand{\DocTitle}{3η Εργασία}
|
||||||
|
\newcommand{\InstructorName}{Παπαευσταθίου Ιωάννης}
|
||||||
|
\newcommand{\InstructorMail}{ygp@ece.auth.gr}
|
||||||
|
\newcommand{\CurrentDate}{\today}
|
||||||
|
|
||||||
|
\input{config/AuthReportConfig.tex}
|
||||||
|
|
||||||
|
%\renewcommand{\AuthorName}{Χρήστος Χουτουρίδης}
|
||||||
|
%\renewcommand{\AuthorMail}{cchoutou@ece.auth.gr}
|
||||||
|
%\renewcommand{\AuthorAEM}{8997}
|
||||||
|
|
||||||
|
\setFancyHeadLR{\ClassName}{\DocTitle}
|
||||||
|
%\setFancyHeadLERO{\ClassName}{\DocTitle}
|
||||||
|
|
||||||
|
% Document
|
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|
% =================
|
||||||
|
\begin{document}
|
||||||
|
|
||||||
|
\FirstPage
|
||||||
|
%\TitleHeader
|
||||||
|
|
||||||
|
%\tableofcontents
|
||||||
|
%\listoffigures
|
||||||
|
%\listoftables
|
||||||
|
|
||||||
|
\section{Εισαγωγή}
|
||||||
|
Στην παρούσα εργασία το ζητούμενο ήταν η υλοποίηση ενός “έξυπνου θερμοστάτη” χρησιμοποιώντας αναπτυξιακό \eng{Nucleo-F401RE} της εταιρίας \eng{ST Microelectronics.}
|
||||||
|
Η τελική εφαρμογή θα πρέπει να έχει οθόνη, \eng{leds} αισθητήρα θερμοκρασίας και αισθητήρα εγγύτητας, υλικά που δεν είναι διαθέσιμα από το αναπτυξιακό.
|
||||||
|
Για το σκοπό αυτό αποφασίσαμε να προχωρήσουμε την εργασία λιγάκι παραπάνω και να κατασκευάσουμε ένα \eng{shield} για το \eng{Nucleo,} το οποίο ενσωματώνει σε ένα τυπωμένο κύκλωμα όλα τα απαραίτητα στοιχεία.
|
||||||
|
Τέλος, λόγο του ότι η διεπαφή χρήστη της εκφώνησης ήταν λιγάκι “φτωχή”, πήραμε την πρωτοβουλία και υλοποιήσαμε ένα μικρό \eng{serial interface} το οποίο μπορεί να χρησιμοποιηθεί και για να ρυθμίσει τον θερμοστάτη.
|
||||||
|
Η ανάπτυξη έγινε σε γλώσσα \eng{C} και χρησιμοποιήθηκε το εργαλείο \eng{Keil uVision.}
|
||||||
|
Ο κώδικας της εργασίας, της παρούσας αναφοράς, αλλά και τα σχέδια της κατασκευής υπάρχουν και στον προσωπικό \eng{server}του συντάκτη, στο \href{https://git.hoo2.net/hoo2/Micro2020/src/branch/master/assignment_3}{αποθετήριο} για την εργασία.
|
||||||
|
|
||||||
|
\section{Παραδοτέα}
|
||||||
|
Στο παραδοτέο \eng{.zip} αρχείο μπορείτε να βρείτε:
|
||||||
|
\begin{itemize}
|
||||||
|
\item Τον κατάλογο \textbf{\eng{/src}} που περιέχει τον κώδικα της εφαρμογής.
|
||||||
|
\item Τον κατάλογο \textbf{\eng{/Libraries}} που περιέχει τον κώδικα των βιβλιοθηκών που χρησιμοποιήσαμε, όπως το \eng{CMSIS} και το \eng{ST HAL,} αλλά και τους \eng{drivers} για τα περιφερειακά.
|
||||||
|
\item Το αρχείο \textbf{\eng{report.pdf}} που είναι η παρούσα αναφορά.
|
||||||
|
\item Τον κατάλογο \textbf{\eng{/Keil}} που περιέχει το \eng{project} που χρησιμοποιήθηκε στο \eng{Keil.}\\
|
||||||
|
Στο \eng{project} αυτό περιέχονται επιπλέων οι ρυθμίσεις καθώς και τα αρχεία από τις βιβλιοθήκες που χρησιμοποιήθηκαν.
|
||||||
|
\end{itemize}
|
||||||
|
\par
|
||||||
|
Για την παρούσα εργασία χρησιμοποιήσαμε το \eng{CMSIS} και το \eng{STM32F4xx\_HAL} που παρέχει η εταιρία \eng{ST} στο επίσημο αποθετήριό της.
|
||||||
|
Η επιλογή αυτού έναντι των αρχείων από το \eng{STM32F4xx Std\_Peripheral} που περιεχόταν στο \eng{e-learning} του μαθήματος έγινε για να συμβαδίσουμε με τις βιβλιοθήκες που προτείνει η κατασκευάστρια εταιρία.
|
||||||
|
Επίσης η χρήση τους έγινε στο ίδιο χαμηλό επίπεδο της \eng{STM32F4xx\_Std\_Peripheral} κάτι το οποίο προτείνεται και από τον διδάσκοντα.
|
||||||
|
\emph{\textbf{Εξάλλου μια υψηλότερου επιπέδου χρήση δεν θα είχε νόημα καθώς θα ξέφευγε από τον μαθησιακό χαρακτήρα της εργασίας}}.
|
||||||
|
|
||||||
|
\section{Υλοποίηση}
|
||||||
|
\subsection{Κατασκευή του\eng{shiled}}
|
||||||
|
\InsertFigure{0.8}{fig:shield_pcb}{shield_pcb.png}{
|
||||||
|
\eng{3D} απεικόνιση του \eng{PCB.}
|
||||||
|
}
|
||||||
|
Η υλοποίηση της εφαρμογής έγινε σε δύο φάσεις.
|
||||||
|
Η πρώτη ήταν η ανάπτυξη και κατασκευή του \eng{shiled.}
|
||||||
|
Αυτό το κομμάτι δεν ήταν στα απαιτούμενα και γιαυτό δεν θα ασχοληθούμε πολύ παρουσιάζοντάς το.
|
||||||
|
Θα πρέπει όμως να αναφέρουμε κάποια βασικά στοιχεία.
|
||||||
|
Έτσι εν συντομία η κατασκευή απαρτίζεται από:
|
||||||
|
\begin{itemize}
|
||||||
|
\item Μια \textbf{οθόνη} υγρών κρυστάλλων \eng{2 x 16,} σε \eng{4bit} παράλληλη επικοινωνία με τον επεξεργαστή.\\
|
||||||
|
Εκτός από την επικοινωνία ο επεξεργαστής ελέγχει και το \eng{back light} μέσω ενός μικρού \eng{MOSFET,} του \eng{MMBF170.}
|
||||||
|
Η οθόνη είναι σε μόνιμο \eng{write mode,} μιας και ο ακροδέκτης \eng{RW} είναι συνδεδεμένος μόνιμα στην γείωση.
|
||||||
|
\item Ένα \eng{\textbf{relay}} τύπου \eng{latching,} το\eng{\textbf{G2SU-2}} συνδεδεμένο μέσω Η-γέφυρας.\\
|
||||||
|
Η επιλογή \eng{latching relay} έγινε με γνώμονα την πιθανή κατανάλωση της κατασκευής σε περίπτωση μελλοντικής χρήσης της.
|
||||||
|
Σε μια τέτοια περίπτωση ενώ τα υπόλοιπα υλικά της κατασκευής λίγο πολύ θα μπορούσαν να περιορίσουν την κατανάλωση τους, το \eng{relay} θα έπρεπε να καταναλώνει συνέχεια ρεύμα για να παραμένει οπλισμένο.
|
||||||
|
\item Ένα αισθητήριο θερμοκρασίας τύπου\eng{\textbf{DS18B20}.}\\
|
||||||
|
Το αισθητήριο αυτό κάνει χρήση του πρωτοκόλλου επικοινωνίας \eng{1-wire} της \eng{Dallas semiconductors.}
|
||||||
|
Παρόλα αυτά στην κατασκευή είναι συνδεδεμένο στη σειριακή επικοινωνία του \eng{shield,} επιτρέποντας έτσι τη χρήση του \eng{\href{https://www.maximintegrated.com/en/design/technical-documents/tutorials/2/214.html}{application note 214}} της \eng{maxim,} όπου περιγράφεται ένας τρόπος δημιουργίας του χρονισμού του \eng{1-wire bus} χρησιμοποιώντας τη σειριακή θύρα.
|
||||||
|
Με τον τρόπο αυτό ο επεξεργαστής αποδεσμεύεται από τον φόρτο να δημιουργεί ακριβείς χρονοκαθυστερήσεις, πιθανότατα απενεργοποιώντας τα \eng{interrupts} και αφήνει ένα περιφερειακό του να εκτελέσει αυτή τη δουλειά.
|
||||||
|
\item Ένα αισθητήριο εγγύτητας \eng{\textbf{HC-SR04}} που λειτουργεί με υπερήχους.
|
||||||
|
\item Διάφορα “\textbf{μικρούτσικα}” υλικά, όπως τρανζιστορ-άκια, αντιστάσεις, πυκνωτές, \eng{leds} κ.α.
|
||||||
|
\end{itemize}
|
||||||
|
|
||||||
|
\subsection{Οδηγός του \eng{Nucleo} και του \eng{shiled}}
|
||||||
|
Η δεύτερη φάση της ανάπτυξης ήταν ο προγραμματισμός.
|
||||||
|
Ο επεξεργαστής που φέρει το εν λόγο αναπτυξιακό είναι πολύ μεγαλύτερος από τις ανάγκες της παρούσας εργασίας.
|
||||||
|
Έτσι τα υποσυστήματα που χρησιμοποιήσαμε ήταν ελάχιστα.
|
||||||
|
Για την ακρίβεια έγινε χρήση:
|
||||||
|
\begin{itemize}
|
||||||
|
\item Του \eng{\textbf{SysTick timer}} ώς βάση μέτρησης χρόνου.\\
|
||||||
|
Η συχνότητα που επιλέξαμε είναι το \eng{1Khz,} το οποίο μας οδηγεί σε επαρκές βήμα \eng{1msec}.
|
||||||
|
\item Του \eng{\textbf{GPIO}} για την ανάγνωση του κουμπιού και την οδήγηση του \eng{LED} της πλακέτας, αλλά και την οδήγηση όλων των ψηφιακών σημάτων του \eng{shield.}
|
||||||
|
\item Του \eng{\textbf{RCC}} για τον έλεγχο και των σημάτων ρολογιού εσωτερικά του επεξεργαστή στα διάφορα υποσυστήματα.
|
||||||
|
\item Του \eng{\textbf{Cycle count}} μηχανισμού στον \eng{debugger.}\\
|
||||||
|
Ο εν λόγο μηχανισμός χρησιμοποιήθηκε για την μέτρηση του χρόνου απόκρισης του αισθητηρίου εγγύτητας.
|
||||||
|
\end{itemize}
|
||||||
|
\par
|
||||||
|
Αξίζει ίσως σε αυτό το σημείο να αναφέρουμε πως για την μέτρηση χρόνου χρησιμοποιήσαμε μεταβλητές για απαρίθμηση των διακοπών του \eng{SysTick.}
|
||||||
|
Η εφαρμογή έτσι μπορούσε βλέποντας την τιμή τους να έχει εικόνα του χρόνου που έχει περάσει από το \eng{power up.}
|
||||||
|
|
||||||
|
\par
|
||||||
|
Για την οδήγηση των περιφερειακών του \eng{shield} χρησιμοποιήσαμε επιπλέον:
|
||||||
|
\begin{itemize}
|
||||||
|
\item Τη σειριακή \eng{\textbf{USART2}} για την επικοινωνία με το υπολογιστή.\\
|
||||||
|
Τη θύρα αυτή τη χρησιμοποιήσαμε για την δημιουργία ενός \eng{command interface,} μέσω του οποίου μπορούμε να δούμε την κατάσταση του θερμοστάτη, αλλά και να του αλλάξουμε τις ρυθμίσεις.
|
||||||
|
\item Τη σειριακή \eng{\textbf{USART6}} για το \eng{1-wire.}\\
|
||||||
|
Η χρήση αυτής της θύρας έγινε όπως αναφέρθηκε και παραπάνω σύμφωνα με τις οδηγίες της \eng{maxim-ic (Dallas semiconductors).}
|
||||||
|
\end{itemize}
|
||||||
|
\par
|
||||||
|
Εδώ θα πρέπει να αναφέρουμε πως στο \eng{nucleo} οι ακροδέκτες της σειριακής επικοινωνίας\eng{(D0-D1)} είναι συνδεμένοι στην σειριακή του \eng{”USB to serial”} του \eng{ST-LINK2.}
|
||||||
|
Για να συνδέαμε μέσω αυτών των ακροδεκτών τη σειριακή για το \eng{1-wire} του \eng{shield} στον επεξεργαστή, θα έπρεπε να τοποθετούσαμε τα \eng{jumpers SB62, SB63.}
|
||||||
|
Έτσι η κατασκευή μας θα πληρούσε τις προδιαγραφές της εκφώνησης, αλλά δεν θα είχε την έξτρα δυνατότητα του \eng{serial console.}
|
||||||
|
Ανταυτού λοιπόν “αφήσαμε” το \eng{nucleo} απείραχτο και συνδέσαμε τη σειριακή του \eng{shield} στη θύρα \eng{USART6,} μέσω των \eng{morpho headers.}
|
||||||
|
Αυτό μας αφήνει με το \eng{configuration} που περιγράψαμε παραπάνω, ενώ η κατασκευή μας είναι η ίδια είτε υλοποιήσουμε μόνο τις προδιαγραφές της εκφώνησης είτε υλοποιήσουμε και το έξτρα \eng{command interface.}
|
||||||
|
|
||||||
|
\subsection{Οδηγός περιφερειακών}
|
||||||
|
Στον κατάλογο \eng{Libraries/drivers/} εκτός από τους οδηγούς του \eng{nucleo} και του \eng{shield,} υπάρχουν οι οδηγοί των περιφερειακών πάνω στο \eng{shield,} αλλά και οι επιπλέων λειτουργίες που χρειαστήκαμε για την ορθή λειτουργία τους.
|
||||||
|
Οι οδηγοί είναι σε ζεύγη αρχείων κώδικα-κεφαλίδας(\eng{.c/.h}) και ο καθένας αποτελεί ένα \eng{module.}
|
||||||
|
Η αναλυτική παρουσίαση του κώδικα εδώ θα πλάτιαζε χωρίς να προσφέρει τίποτε χρήσιμο.
|
||||||
|
Θα αναφέρουμε όμως συνοπτικά το κάθε \eng{modul-}άκι και τον τρόπο λειτουργίας του γενικά.
|
||||||
|
\begin{itemize}
|
||||||
|
\item \textbf{\eng{jiffies:}}\\
|
||||||
|
Στο \eng{module} αυτό ρυθμίζουμε ένα \eng{timer} του επεξεργαστή ώστε να μετράει αδιάκοπα μέχρι μία τιμή με \eng{auto-reload.}
|
||||||
|
Κάνοντας χρήση αυτού του \eng{timer} μπορούμε στη συνέχεια να δημιουργήσουμε χρονοκαθυστερήσεις μικρότερες από το \eng{time base} της εφαρμογής.
|
||||||
|
\item \textbf{\eng{deque08:}}\\
|
||||||
|
Το \eng{module} αυτό υλοποιεί μια \eng{double-ended queue.}
|
||||||
|
Την ουρά αυτή τη χρησιμοποιούμε στη σειριακή επικοινωνία με τον υπολογιστή για το \eng{serial console.}
|
||||||
|
Η υλοποίηση είναι “όσο \eng{object oriented} γίνεται”.
|
||||||
|
Οι συναρτήσεις δηλαδή του \eng{module} έχουν όλες ένα δείκτη σ' ένα “αντικείμενο” τύπου ουράς που παίζει το ρόλο του \eng{this pointer} άλλων γλωσσών.
|
||||||
|
Έτσι μπορούμε να χρησιμοποιήσουμε περισσότερες από μία ουρές στο ίδιο \eng{project} με τον ίδιο κώδικα.
|
||||||
|
\item \textbf{\eng{onewire\_uart:}}\\
|
||||||
|
Το \eng{module} αυτό υλοποιεί το πρωτόκολλο επικοινωνίας \eng{1-wire} κάνοντας χρήση της σειριακής.
|
||||||
|
Ομοίως και εδώ η υλοποίηση είναι \eng{object oriented like.}
|
||||||
|
Εδώ όμως \textbf{κάνουμε ένα ακόμη κόλπο}.
|
||||||
|
Αρχικά το \eng{module} προϋποθέτει πως οι ακροδέκτες \eng{Tx-Rx} της θύρας είναι βραχυκυκλωμένοι.
|
||||||
|
Το βασικό “αντικείμενο” του \eng{module} εσωτερικά έχει δύο δείκτες σε συναρτήσεις.
|
||||||
|
Τη μία την καλεί για να γράψει στη σειριακή και ταυτόχρονα να διαβάσει τo αποτέλεσμα της πραγματικής κατάστασης του \eng{bus} κατά την προσπάθεια.
|
||||||
|
Την άλλη τη χρησιμοποιεί για να αλλάξει το \eng{baudrate} της θύρας.
|
||||||
|
Σε όλο το σώμα του κώδικα του \eng{module} γίνεται χρήση μόνο αυτών των δύο δεικτών και έτσι \textbf{\textit{δεν υπάρχει καμία εξάρτηση από το \eng{hardware.}}}
|
||||||
|
Ο χρήστης του \eng{module} μπορεί να το χρησιμοποιήσει σε οποιαδήποτε κατασκευή που πληροί τις προϋποθέσεις, να υλοποιήσει για το δικό του \eng{hardware} τις δύο παραπάνω συναρτήσεις και να τις συνδέσει με το \eng{module.}
|
||||||
|
Κάτι τέτοιο κάναμε και εμείς εδώ, όπου υλοποιήσαμε τις συναρτήσεις \eng{\textit{SHIELD\_1W\_RW()}} και \eng{\textit{SHIELD\_1W\_UART\_BR()}} και τις συνδέσαμε με το \eng{module.}
|
||||||
|
\item \textbf{\eng{alcd:}}\\
|
||||||
|
Το \eng{module} αυτό υλοποιεί ένα οδηγό για την οθόνη.
|
||||||
|
Ομοίως και εδώ η υλοποίηση είναι \eng{object oriented like,} αλλά και απεξαρτημένη από το \eng{hardware} μέσω δεικτών σε συναρτήσεις για τα \eng{pins DB[4..7], RS, EN, Back-light.}
|
||||||
|
Για τον χρονισμό των σημάτων εδώ κάνουμε χρήση των \eng{jiffies,} καθώς οι χρόνοι που χρειαζόμαστε είναι πολύ μικρότεροι από το \eng{time base.}
|
||||||
|
\item Τέλος το \eng{\textbf{hal:}}\\
|
||||||
|
Το \eng{module} αυτό είναι ο συνδετικός κρίκος της εφαρμογής με τους οδηγούς.
|
||||||
|
Σε αυτό το αρχείο επίσης είναι υλοποιημένες και οι λειτουργίες για την αναγνώριση της εγγύτητας και η ανάγνωση της θερμοκρασίας.
|
||||||
|
\textit{Αυτές \textbf{οι τελευταίες λειτουργίες είναι οι πιο “ριγμένες”} της εργασίας, καθώς ο συντάκτης από καθαρή τεμπελιά δεν αξιώθηκε να τις κάνει ξεχωριστά \eng{modules.}}
|
||||||
|
Εξάλλου φαίνεται και με μια ματιά πως οι λειτουργίες που είναι υλοποιημένες είναι οι άκρως απαραίτητες για την εφαρμογή μας.
|
||||||
|
\end{itemize}
|
||||||
|
|
||||||
|
|
||||||
|
\subsection{Εφαρμογή}
|
||||||
|
\WrapFigure{0.45}{r}{fig:uistates}{ui_states.png}{
|
||||||
|
Μηχανή καταστάσεων της διεπαφής χρήστη.
|
||||||
|
}
|
||||||
|
Έχοντας υλοποιήσει όλα τα παραπάνω η δουλειά μας για την εφαρμογή ήταν πολύ εύκολη.
|
||||||
|
Έτσι στην βασική λειτουργία της εκφώνησης προσθέσαμε ορισμένα πράγματα.
|
||||||
|
Για παράδειγμα η εφαρμογή έχει μια δομή \eng{\textbf{settings}} στην οποία υπάρχουν οι ρυθμίσεις του θερμοστάτη.
|
||||||
|
Πιο συγκεκριμένα αποθηκεύουμε τον τρόπο λειτουργίας, αν δηλαδή ο θερμοστάτης δουλεύει για \textbf{ψύξη ή θέρμανση}.
|
||||||
|
Την θερμοκρασία λειτουργίας και μια υστέρηση για αυτήν.
|
||||||
|
Την απόσταση κάτω από την οποία θεωρεί ο θερμοστάτης ότι έχει εγγύτητα και ομοίως μια απόσταση υστέρησης.
|
||||||
|
|
||||||
|
\par
|
||||||
|
Ο κώδικας της εφαρμογής μας χωρίζεται σε τέσσερεις \eng{non-blocking} συναρτήσεις που καλούνται σε βρόχο επανάληψης από την \eng{main.}
|
||||||
|
\\
|
||||||
|
1. \textbf{\eng{control():}}\\
|
||||||
|
Η συνάρτηση αυτή αναλαμβάνει να διαβάσει τα αισθητήρια εγγύτητας και θερμοκρασίας και να υπολογίσει τη μέση τιμή τις θερμοκρασίας στο τέλος του κάθε παράθυρου.
|
||||||
|
Η επικοινωνία με τις άλλες συναρτήσεις για την εγγύτητα και την ολοκλήρωση του κύκλου μετρήσεων γίνεται μέσω των σημαιών \eng{flag\_proximity}και\eng{signal\_cycle}αντίστοιχα.
|
||||||
|
Ακόμα με βάση τις ρυθμίσεις και την τρέχουσα μέση θερμοκρασία, ορίζει τη σημαία της κατάστασης εξόδου \eng{flag\_output.}
|
||||||
|
\\
|
||||||
|
2. \textbf{\eng{display():}}\\
|
||||||
|
Η συνάρτηση αυτή υλοποιεί μια μηχανή καταστάσεων και αναλαμβάνει να εμφανίζει τα μηνύματα της οθόνης.
|
||||||
|
Στο διάγραμμα \ref{fig:uistates} φαίνονται οι καταστάσεις και ο τρόπος με τον οποίο γίνεται η εναλλαγή.
|
||||||
|
Σε κάθε κατάσταση η συνάρτηση διαμορφώνει ανάλογα το κείμενο στην οθόνη ώστε να πληρούνται οι προδιαγραφές της εργασίας.
|
||||||
|
\\
|
||||||
|
3. \textbf{\eng{outputs():}}\\
|
||||||
|
Η συνάρτηση αυτή ενεργοποιεί ή απενεργοποιεί τις εξόδους της κατασκευής μας, δηλαδή τα δύο \eng{led} και το \eng{relay.}
|
||||||
|
Το πράσινο \eng{led} ενεργοποιείται όταν ο θερμοστάτης είναι ρυθμισμένος για ψύξη και η μέση θερμοκρασία είναι πάνω από τη ρύθμιση.
|
||||||
|
Το κόκκινο αντίστοιχα όταν ο θερμοστάτης είναι ρυθμισμένος για θέρμανση και η μέση θερμοκρασία είναι κάτω από τη ρύθμιση.
|
||||||
|
Το \eng{relay} ενεργοποιείται όταν θέλουμε ψύξη ή θέρμανση.
|
||||||
|
\\
|
||||||
|
4. \textbf{\eng{console():}}\\
|
||||||
|
Η συνάρτηση αυτή υλοποιεί ένα πολύ απλό \eng{command interface} μέσω του οποίου μπορούμε από την σειριακή του υπολογιστή να δούμε όλες τις θερμοκρασίες και ρυθμίσεις της συσκευής.
|
||||||
|
Ακόμα μπορούμε να αλλάξουμε όλες τις ρυθμίσεις.
|
||||||
|
\InsertFigure{0.8}{fig:console}{console.png}{
|
||||||
|
Στιγμιότυπο από την σειριακή επικοινωνία με τον θερμοστάτη.
|
||||||
|
}
|
||||||
|
\par
|
||||||
|
Στο σημείο αυτό θα πρέπει να αναφέρουμε πως η λειτουργία των \eng{led} είναι λιγάκι αλλαγμένη από την εκφώνηση.
|
||||||
|
Ο λόγος είναι ότι ο εν λόγο θερμοστάτης πλέον έχει λειτουργία και ψύξης και θέρμανσης και θέλαμε να δώσουμε στο \eng{user interface} ένα πιο “δεμένο” ύφος.
|
||||||
|
|
||||||
|
\section{Συμπεράσματα - Παρατηρήσεις}
|
||||||
|
Συνοψίζοντας την εμπειρία μας με την παρούσα εργασία δεν έχουμε να αναφέρουμε κάποιο ιδιαίτερο πρόβλημα ή δυσκολία.
|
||||||
|
Η κατασκευή του τυπωμένου ευτυχώς δεν δημιούργησε εκπλήξεις με αποτέλεσμα η συγγραφή του κώδικα να γίνει απρόσκοπτα, αν και ομολογούμε ότι την κάναμε τελευταία στιγμή.
|
||||||
|
Παρατηρώντας την υλοποίηση βέβαια δεν μπορούμε παρά να τονίσουμε και μια παράβλεψη.
|
||||||
|
Ο θερμοστάτης δεν έχει κάποιο τρόπο να αποθηκεύει τις ρυθμίσεις στη \eng{flash.}
|
||||||
|
Αυτή η λειτουργία θα μπορούσε να είναι αιτία για να ξανασχοληθούμε στο μέλλον με την εργασία και ελπίζουμε αυτή μας η παράβλεψη να πέσει στην κατηγορία \textit{“για το μάτι”}.
|
||||||
|
|
||||||
|
|
||||||
|
% References
|
||||||
|
% ============================
|
||||||
|
%\begin{thebibliography}{100}
|
||||||
|
%\bibitem{item}item...
|
||||||
|
%\end{thebibliography}
|
||||||
|
|
||||||
|
\end{document}
|
||||||
@ -1,10 +1,11 @@
|
|||||||
/*
|
/*!
|
||||||
* console.c
|
* \file console.c
|
||||||
|
* \brief
|
||||||
|
* A simple serial console implementation for out thermostat
|
||||||
*
|
*
|
||||||
* Created on: Jun 28, 2020
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
* Author: hoo2
|
* email : <cchoutou@ece.auth.gr>
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include "console.h"
|
#include "console.h"
|
||||||
|
|
||||||
static char _buffer[COM_BUFFER_SIZE];
|
static char _buffer[COM_BUFFER_SIZE];
|
||||||
@ -12,6 +13,10 @@ static int _cursor;
|
|||||||
|
|
||||||
static char _ans[512];
|
static char _ans[512];
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Parse and respond funcionality for serial console
|
||||||
|
* \param buffer Pointer to buffer
|
||||||
|
*/
|
||||||
void parse (char* buffer) {
|
void parse (char* buffer) {
|
||||||
int i;
|
int i;
|
||||||
float_t s;
|
float_t s;
|
||||||
@ -102,6 +107,9 @@ void parse (char* buffer) {
|
|||||||
COM_Transmit((uint8_t*)_ans, i);
|
COM_Transmit((uint8_t*)_ans, i);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* A simple terminal with echo
|
||||||
|
*/
|
||||||
void console (void) {
|
void console (void) {
|
||||||
int ch;
|
int ch;
|
||||||
|
|
||||||
|
|||||||
@ -1,10 +1,11 @@
|
|||||||
/*
|
/*!
|
||||||
* console.h
|
* \file console.h
|
||||||
|
* \brief
|
||||||
|
* A simple serial console implementation for out thermostat
|
||||||
*
|
*
|
||||||
* Created on: Jun 28, 2020
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
* Author: hoo2
|
* email : <cchoutou@ece.auth.gr>
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef CONSOLE_H_
|
#ifndef CONSOLE_H_
|
||||||
#define CONSOLE_H_
|
#define CONSOLE_H_
|
||||||
|
|
||||||
|
|||||||
@ -27,6 +27,14 @@ float_t temp_get_current (void) {
|
|||||||
return (app_data.cur) ? app_data.T[app_data.cur-1] : app_data.T[MEASUREMENTS-1];
|
return (app_data.cur) ? app_data.T[app_data.cur-1] : app_data.T[MEASUREMENTS-1];
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Control functionality
|
||||||
|
* Handles:
|
||||||
|
* * Sensor reading
|
||||||
|
* * Temp averaging
|
||||||
|
* * Output calculation
|
||||||
|
* \note Non-blocking
|
||||||
|
*/
|
||||||
void control (void) {
|
void control (void) {
|
||||||
static time_t sample =0;
|
static time_t sample =0;
|
||||||
time_t now = time(0); // get time
|
time_t now = time(0); // get time
|
||||||
@ -81,6 +89,11 @@ void control (void) {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Display functionality
|
||||||
|
* Implement a state machine for lcd display
|
||||||
|
* \note Non-blocking
|
||||||
|
*/
|
||||||
void display (void) {
|
void display (void) {
|
||||||
static time_t mark =0;
|
static time_t mark =0;
|
||||||
|
|
||||||
@ -151,6 +164,10 @@ void display (void) {
|
|||||||
lcd_puts(line2);
|
lcd_puts(line2);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Set outputs
|
||||||
|
* \note Non-blocking
|
||||||
|
*/
|
||||||
void outputs (void) {
|
void outputs (void) {
|
||||||
static uint8_t pr_output =0;
|
static uint8_t pr_output =0;
|
||||||
|
|
||||||
@ -166,7 +183,9 @@ void outputs (void) {
|
|||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Main loop
|
||||||
|
*/
|
||||||
int main(void) {
|
int main(void) {
|
||||||
|
|
||||||
hal_hw_init ();
|
hal_hw_init ();
|
||||||
|
|||||||
@ -1,51 +1,67 @@
|
|||||||
/*
|
/*!
|
||||||
* thermostat.h
|
* \file thermostat.h
|
||||||
|
* \brief
|
||||||
|
* Application wide data type declarations
|
||||||
*
|
*
|
||||||
* Created on: Jun 27, 2020
|
* Author: Christos Choutouridis AEM: 8997
|
||||||
* Author: hoo2
|
* email : <cchoutou@ece.auth.gr>
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef THERMOSTAT_H_
|
#ifndef THERMOSTAT_H_
|
||||||
#define THERMOSTAT_H_
|
#define THERMOSTAT_H_
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Hard coded user settings
|
||||||
|
*/
|
||||||
#define MEAS_WINDOW (120) // [sec]
|
#define MEAS_WINDOW (120) // [sec]
|
||||||
#define MEAS_INTERVAL (5) // [sec]
|
#define MEAS_INTERVAL (5) // [sec]
|
||||||
#define MEASUREMENTS (MEAS_WINDOW / MEAS_INTERVAL) // keep this integer
|
#define MEASUREMENTS (MEAS_WINDOW / MEAS_INTERVAL) // keep this integer
|
||||||
#define UI_AVERAGE_TIME (10) // [sec]
|
#define UI_AVERAGE_TIME (10) // [sec]
|
||||||
//#define UI_USER_TIME (10)
|
//#define UI_USER_TIME (10)
|
||||||
|
|
||||||
typedef float float_t;
|
|
||||||
typedef int int_t;
|
|
||||||
|
|
||||||
|
typedef float float_t; //!< Select the floating point type for application
|
||||||
|
typedef int int_t; //!< Select the integer type for application
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Thermostat mode enumerator
|
||||||
|
*/
|
||||||
typedef enum {
|
typedef enum {
|
||||||
HEATING =0,
|
HEATING =0, //!< HEATING
|
||||||
COOLING
|
COOLING //!< COOLING
|
||||||
} mode_en;
|
} mode_en;
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Application common data type
|
||||||
|
*/
|
||||||
typedef struct {
|
typedef struct {
|
||||||
float_t T[MEASUREMENTS];
|
float_t T[MEASUREMENTS]; //!< Temperature samples
|
||||||
float_t Tav;
|
float_t Tav; //!< Average temperature
|
||||||
uint32_t cur;
|
uint32_t cur; //!< Cursor on sample array
|
||||||
uint8_t flag_output;
|
uint8_t flag_output; //!< Momentary flag to indicate the relay state
|
||||||
uint8_t flag_init;
|
uint8_t flag_init; //!< Momentary flag to indicate the end of initialization state
|
||||||
uint8_t flag_proximity;
|
uint8_t flag_proximity; //!< Momentary flag to indicate that the user is near
|
||||||
uint8_t signal_cycle;
|
uint8_t signal_cycle; //!< Acknolegable flag to indicate the end of measurement cycle
|
||||||
} app_data_t;
|
} app_data_t;
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Settings struct
|
||||||
|
*/
|
||||||
typedef struct {
|
typedef struct {
|
||||||
mode_en mode;
|
mode_en mode; //!< Operational mode
|
||||||
float_t Tset;
|
float_t Tset; //!< Target temperature
|
||||||
float_t Thyst;
|
float_t Thyst; //!< Target temperature hysteresis
|
||||||
float_t Pset;
|
float_t Pset; //!< Proximity distance
|
||||||
float_t Physt;
|
float_t Physt; //!< Proximity distance hysteresis
|
||||||
} settings_t;
|
} settings_t;
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* User interface states
|
||||||
|
*/
|
||||||
typedef enum {
|
typedef enum {
|
||||||
ST_INIT =0,
|
ST_INIT =0, //!< ST_INIT: Still initializing
|
||||||
ST_COUNT,
|
ST_COUNT, //!< ST_COUNT: Measurement cycle
|
||||||
ST_AVERAGE,
|
ST_AVERAGE, //!< ST_AVERAGE: Display average
|
||||||
ST_USER
|
ST_USER //!< ST_USER: Display when a user is near
|
||||||
} state_en;
|
} state_en;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -55,6 +71,9 @@ extern app_data_t app_data;
|
|||||||
extern state_en state;
|
extern state_en state;
|
||||||
extern settings_t settings;
|
extern settings_t settings;
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* Factory defaults
|
||||||
|
*/
|
||||||
#define _Init_settings(s) s = { \
|
#define _Init_settings(s) s = { \
|
||||||
.mode = HEATING, \
|
.mode = HEATING, \
|
||||||
.Tset = 21.0, \
|
.Tset = 21.0, \
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user