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54de37bf PH |
1 | /****************************************************************************** |
2 | * | |
3 | * Trennfix firmware - main.c | |
4 | * | |
5 | * Copyright (C) 2017 Philipp Hachtmann | |
6 | * | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | * | |
20 | *****************************************************************************/ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | ||
26 | #include <avr/io.h> | |
27 | #include <avr/eeprom.h> | |
28 | #include <avr/interrupt.h> | |
29 | #include <avr/pgmspace.h> | |
30 | ||
31 | #include <util/delay.h> | |
32 | #include <stdint.h> | |
33 | ||
70095677 PH |
34 | #include "mm_switch.h" |
35 | #include "hardware.h" | |
54de37bf PH |
36 | |
37 | // #define DEBUG_TIMEOUT | |
54de37bf PH |
38 | #ifdef DEBUG_TIMEOUT |
39 | #define MON_TIMEOUT(val) setpin(DRIVE, val) | |
40 | #else | |
41 | #define MON_TIMEOUT(xx) ({0;}) | |
42 | #endif | |
43 | ||
70095677 PH |
44 | #define EE_MAGIC 0xab |
45 | ||
46 | enum op_mode { | |
47 | OM_MOMENTARY, /* on as long as "key on" pressed */ | |
48 | OM_DOUBLE, /* On off with "on" and "off" keys */ | |
49 | OM_TOGGLE, /* toggle on "key on" pressed */ | |
50 | OM_ERASED = 0xff /* EEPROM erased, need setup */ | |
51 | }; | |
52 | ||
53 | enum learn_mode { | |
54 | LM_OFF = 0, | |
55 | LM_LEARN_ON_KEY, /* Learn primary key */ | |
56 | LM_LEARN_OFF_KEY, /* Learn secondary key, relevant for OM_DOUBLE */ | |
57 | LM_LEARN_INITIAL, /* Learn initial pulse length, 10ms steps */ | |
58 | LM_LEARN_DUTY, /* Learn duty cycle 0-10 */ | |
59 | LM_LEARN_OP_MODE, /* Learn operation mode */ | |
60 | LM_END, /* Only a label */ | |
61 | }; | |
62 | ||
63 | struct config { | |
64 | uint8_t magic; /* Magic value */ | |
65 | enum op_mode op_mode; | |
66 | uint8_t decoder_on; | |
67 | uint8_t key_on; | |
68 | uint8_t decoder_off; | |
69 | uint8_t key_off; | |
70 | uint8_t initial_pulse; /* Lenghth of initial pulse in 10ms steps */ | |
71 | uint8_t on_duty_cycle; /* Duty cycle for on. 0-10 */ | |
72 | }; | |
73 | ||
74 | static struct EEMEM config ee_config; | |
75 | static struct config config; | |
76 | static volatile enum learn_mode learn_mode = LM_LEARN_ON_KEY; | |
77 | ||
78 | static void load_config(void) | |
54de37bf | 79 | { |
70095677 | 80 | eeprom_read_block(&config, &ee_config, sizeof(config)); |
54de37bf PH |
81 | } |
82 | ||
70095677 | 83 | static void save_config(void) |
54de37bf | 84 | { |
70095677 | 85 | eeprom_write_block(&config, &ee_config, sizeof(config)); |
54de37bf PH |
86 | } |
87 | ||
af5fd980 | 88 | static volatile uint8_t drive_on = 0; |
54de37bf | 89 | |
54de37bf | 90 | |
70095677 PH |
91 | ISR(PCINT0_vect){ |
92 | static uint8_t btn_last = 0; | |
93 | mm_pinchange_handler(); | |
54de37bf | 94 | |
70095677 PH |
95 | if (BTN_PRESSED && !btn_last) { |
96 | learn_mode++; | |
97 | learn_mode %= LM_END; | |
98 | } | |
99 | btn_last = BTN_PRESSED; | |
54de37bf PH |
100 | } |
101 | ||
70095677 | 102 | void mm_switch_command(uint8_t decoder, uint8_t command) |
54de37bf | 103 | { |
70095677 PH |
104 | static uint8_t toggle_lock = 0; |
105 | switch(learn_mode) { | |
106 | ||
107 | case LM_OFF: | |
108 | default: | |
109 | if ((decoder == config.decoder_on) && | |
110 | (command == config.key_on)) { /* Primary key pressed */ | |
111 | switch(config.op_mode) { | |
112 | case OM_MOMENTARY: | |
113 | case OM_DOUBLE: | |
114 | drive_on = 1; | |
115 | break; | |
116 | case OM_TOGGLE: | |
117 | if (!toggle_lock) { | |
118 | drive_on = !drive_on; | |
119 | toggle_lock = 1; | |
120 | } | |
121 | break; | |
122 | default: | |
123 | break; | |
124 | } | |
125 | } | |
54de37bf | 126 | |
70095677 PH |
127 | if ((decoder == config.decoder_on) && |
128 | (command == 0)) { /* Primary key released */ | |
129 | switch(config.op_mode) { | |
130 | case OM_MOMENTARY: | |
131 | drive_on = 0; | |
132 | break; | |
133 | case OM_TOGGLE: | |
134 | toggle_lock = 0; | |
135 | break; | |
136 | default: | |
137 | break; | |
138 | } | |
139 | } | |
54de37bf | 140 | |
70095677 PH |
141 | if ((decoder == config.decoder_off) && |
142 | (command == config.key_off)) { /* Secondary "off" key pressed */ | |
143 | switch(config.op_mode) { | |
144 | case OM_DOUBLE: | |
145 | drive_on = 0; | |
146 | break; | |
147 | case OM_TOGGLE: | |
148 | case OM_MOMENTARY: | |
149 | default: | |
150 | break; | |
151 | ||
152 | } | |
153 | } | |
154 | break; | |
155 | ||
156 | case LM_LEARN_ON_KEY: | |
157 | if (command) { | |
158 | config.decoder_on = decoder; | |
159 | config.key_on = command; | |
160 | save_config(); | |
161 | if (config.op_mode == OM_DOUBLE) | |
162 | learn_mode = LM_LEARN_OFF_KEY; | |
163 | else | |
164 | learn_mode = LM_OFF; | |
165 | } | |
166 | break; | |
167 | ||
168 | case LM_LEARN_OFF_KEY: | |
169 | if (command) { | |
170 | config.decoder_off = decoder; | |
171 | config.key_off = command; | |
172 | save_config(); | |
173 | learn_mode = LM_OFF; | |
174 | } | |
175 | break; | |
176 | ||
177 | case LM_LEARN_INITIAL: | |
178 | if (drive_on) { | |
179 | if (command == 0) | |
180 | drive_on = 0; | |
181 | ||
182 | } else { | |
183 | switch(command) { | |
184 | case 1: | |
185 | if (config.initial_pulse >= 10) | |
186 | config.initial_pulse -= 10; | |
187 | else | |
188 | config.initial_pulse = 0; | |
189 | save_config(); | |
190 | drive_on = 1; | |
191 | break; | |
192 | case 2: | |
193 | if (config.initial_pulse <= 245) | |
194 | config.initial_pulse += 10; | |
195 | else | |
196 | config.initial_pulse = 255; | |
197 | save_config(); | |
198 | drive_on = 1; | |
199 | break; | |
200 | default: | |
201 | break; | |
202 | } | |
203 | } | |
204 | break; | |
54de37bf | 205 | |
70095677 PH |
206 | case LM_LEARN_DUTY: |
207 | if (drive_on) { | |
208 | if (command == 0) | |
209 | drive_on = 0; | |
210 | } else { | |
211 | switch(command) { | |
212 | case 1: | |
213 | if (config.on_duty_cycle > 0) | |
214 | config.on_duty_cycle -= 1; | |
215 | save_config(); | |
216 | drive_on = 1; | |
217 | break; | |
218 | case 2: | |
219 | if (config.on_duty_cycle < 10) | |
220 | config.on_duty_cycle += 1; | |
221 | save_config(); | |
222 | drive_on = 1; | |
223 | break; | |
224 | default: | |
225 | break; | |
226 | } | |
227 | } | |
228 | break; | |
229 | ||
230 | case LM_LEARN_OP_MODE: | |
231 | switch(command) { | |
232 | case 1: | |
233 | config.op_mode = OM_MOMENTARY; | |
234 | save_config(); | |
235 | learn_mode = LM_OFF; | |
236 | break; | |
237 | case 3: | |
238 | config.op_mode = OM_DOUBLE; | |
239 | save_config(); | |
240 | learn_mode = LM_OFF; | |
241 | break; | |
242 | case 5: | |
243 | config.op_mode = OM_TOGGLE; | |
244 | save_config(); | |
245 | learn_mode = LM_OFF; | |
246 | break; | |
247 | default: | |
248 | break; | |
249 | } | |
250 | break; | |
251 | ||
54de37bf PH |
252 | } |
253 | } | |
254 | ||
255 | ||
54de37bf PH |
256 | /****************************************************************************** |
257 | * | |
258 | * main() - The main routine | |
259 | * | |
260 | */ | |
261 | ||
262 | int main(void) { | |
70095677 PH |
263 | uint8_t learn_mode_off; |
264 | uint8_t drive_last = 0; | |
265 | uint8_t drive_slope = 0; | |
266 | uint8_t i; | |
267 | ||
54de37bf | 268 | setup_hw(); |
70095677 PH |
269 | load_config(); |
270 | ||
271 | if (config.op_mode == OM_ERASED || config.magic != EE_MAGIC) { | |
272 | config.magic = EE_MAGIC; | |
273 | config.op_mode = OM_MOMENTARY; | |
274 | // config.decoder_on = 1; | |
275 | // config.key_on = 1; | |
276 | config.decoder_off = 1; | |
277 | config.key_off = 2; | |
278 | config.initial_pulse = 10; | |
279 | config.on_duty_cycle = 5; | |
280 | learn_mode = LM_LEARN_ON_KEY; | |
281 | } | |
54de37bf | 282 | sei(); |
70095677 | 283 | |
54de37bf | 284 | while (1) { |
70095677 PH |
285 | |
286 | drive_start: | |
287 | ||
288 | cli(); | |
289 | if (!drive_last && drive_on) | |
290 | drive_slope = 1; | |
291 | else | |
292 | drive_slope = 0; | |
293 | drive_last = drive_on; | |
294 | sei(); | |
295 | if (drive_on) { | |
296 | if (drive_slope) { | |
297 | for (i = 0; i < config.initial_pulse; i++) { | |
298 | setpin(PIN_DRIVE, 1); | |
299 | _delay_ms(10); | |
300 | } | |
af5fd980 | 301 | } |
70095677 PH |
302 | |
303 | for (i = 0; i < config.on_duty_cycle; i++) { | |
304 | setpin(PIN_DRIVE, drive_on); | |
305 | _delay_us(2); | |
af5fd980 PH |
306 | } |
307 | ||
70095677 PH |
308 | for (i = 0; i < (10 - config.on_duty_cycle); i++) { |
309 | setpin(PIN_DRIVE, 0); | |
310 | _delay_us(2); | |
311 | } | |
312 | ||
54de37bf | 313 | } else { |
70095677 PH |
314 | if (!learn_mode) |
315 | continue; | |
54de37bf | 316 | |
70095677 PH |
317 | learn_mode_off = !learn_mode; |
318 | ||
319 | //if (drive_on || (learn_mode && learn_mode_off)) | |
320 | // goto drive_start; | |
321 | ||
322 | for (i = 0; i < learn_mode; i++) { | |
323 | setpin(PIN_LED, 1); | |
324 | _delay_ms(30); | |
325 | setpin(PIN_LED, 0); | |
326 | _delay_ms(280); | |
327 | ||
328 | //if (drive_on || (learn_mode && learn_mode_off)) | |
329 | // goto drive_start; | |
330 | //if (drive_on || (learn_mode && learn_mode_off)) | |
331 | // goto drive_start; | |
332 | } | |
333 | for (i = 0; i < 15 - learn_mode; i++) { | |
334 | //if (drive_on || (learn_mode && learn_mode_off)) | |
335 | // goto drive_start; | |
336 | setpin(PIN_LED, 0); | |
337 | _delay_ms(80); | |
338 | //if (drive_on || (learn_mode && learn_mode_off)) | |
339 | // goto drive_start; | |
340 | // _delay_ms(40); | |
341 | } | |
342 | } | |
54de37bf PH |
343 | } |
344 | return 0; | |
345 | } | |
346 | ||
70095677 | 347 | |
54de37bf PH |
348 | /****************************************************************************** |
349 | * The end :-) | |
350 | */ |