/* ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ /* This structure is used to hold the values representing a calendar time. It contains the following members, with the meanings as shown. int tm_sec seconds after minute [0-61] (61 allows for 2 leap-seconds) int tm_min minutes after hour [0-59] int tm_hour hours after midnight [0-23] int tm_mday day of the month [1-31] int tm_mon month of year [0-11] int tm_year current year-1900 int tm_wday days since Sunday [0-6] int tm_yday days since January 1st [0-365] int tm_isdst daylight savings indicator (1 = yes, 0 = no, -1 = unknown) */ #define WAKEUP_TEST FALSE #include #include #include "ch.h" #include "hal.h" #include "shell.h" #include "chprintf.h" #if WAKEUP_TEST static RTCWakeup wakeupspec; #endif static RTCAlarm alarmspec; static RTCDateTime timespec; static time_t unix_time; /* * Awake state indicator thread */ static THD_WORKING_AREA(blinkWA, 128); static THD_FUNCTION(blink_thd, arg){ (void)arg; while (TRUE) { chThdSleepMilliseconds(100); palTogglePad(GPIOB, GPIOB_LED_R); } return 0; } /* * Helper functions putting MCU in sleep state */ static void anabiosis(void) { chSysLock(); SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; PWR->CR |= (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_CSBF | PWR_CR_CWUF); RTC->ISR &= ~(RTC_ISR_ALRBF | RTC_ISR_ALRAF | RTC_ISR_WUTF | RTC_ISR_TAMP1F | RTC_ISR_TSOVF | RTC_ISR_TSF); __WFI(); } /* * Console applet for sleep testing */ static void cmd_sleep(BaseSequentialStream *chp, int argc, char *argv[]) { (void)argv; if (argc > 0) { chprintf(chp, "Usage: sleep\r\n"); return; } chprintf(chp, "Going sleep...\r\n"); chThdSleepMilliseconds(200); anabiosis(); } /* * Console applet for periodic alaram testing */ static void cmd_alarm(BaseSequentialStream *chp, int argc, char *argv[]) { int i = 0; (void)argv; if (argc < 1) { goto ERROR; } if ((argc == 1) && (strcmp(argv[0], "get") == 0)) { rtcGetAlarm(&RTCD1, 0, &alarmspec); i = (alarmspec.alrmr & 0b1111) + ((alarmspec.alrmr >> 4) & 0b111) * 10; chprintf(chp, "%U%s", i," - alarm in seconds\r\n"); return; } if ((argc == 2) && (strcmp(argv[0], "set") == 0)) { i = atol(argv[1]); if (i > 59) goto ERROR; /* first disable all alrams if any */ rtcSetAlarm(&RTCD1, 0, NULL); rtcSetAlarm(&RTCD1, 1, NULL); /* now set alarm only A */ alarmspec.alrmr = ((i / 10) << 4) | (i % 10) | RTC_ALRMAR_MSK4 | RTC_ALRMAR_MSK3 | RTC_ALRMAR_MSK2; rtcSetAlarm(&RTCD1, 0, &alarmspec); return; } else { goto ERROR; } ERROR: chprintf(chp, "Usage: alarm get\r\n"); chprintf(chp, " alarm set N\r\n"); chprintf(chp, "where N is alarm second on every minute\r\n"); chprintf(chp, "To test alarm functionality perform following steps:\r\n"); chprintf(chp, "1) set alarm second using this command\r\n"); chprintf(chp, "2) execute 'sleep' command\r\n"); chprintf(chp, "3) wait until the red led starts blinking\r\n"); chprintf(chp, "4) immediately execute 'date get' command\r\n"); chprintf(chp, "5) check seconds's field in returned date.\r\n"); chprintf(chp, " It must be close to programmed alarm second\r\n"); } /* * helper function */ static time_t GetTimeUnixSec(void) { struct tm tim; rtcGetTime(&RTCD1, ×pec); rtcConvertDateTimeToStructTm(×pec, &tim); return mktime(&tim); } /* * helper function */ static void GetTimeTm(struct tm *timp) { rtcGetTime(&RTCD1, ×pec); rtcConvertDateTimeToStructTm(×pec, timp); } /* * helper function */ static void SetTimeUnixSec(time_t unix_time) { struct tm tim; struct tm *canary; /* If the conversion is successful the function returns a pointer to the object the result was written into.*/ canary = localtime_r(&unix_time, &tim); osalDbgCheck(&tim == canary); rtcConvertStructTmToDateTime(&tim, 0, ×pec); rtcSetTime(&RTCD1, ×pec); } /* * Console applet for date set and get */ static void cmd_date(BaseSequentialStream *chp, int argc, char *argv[]) { (void)argv; struct tm timp = {0}; if (argc == 0) { goto ERROR; } if ((argc == 1) && (strcmp(argv[0], "get") == 0)){ unix_time = GetTimeUnixSec(); if (unix_time == -1){ chprintf(chp, "incorrect time in RTC cell\r\n"); } else{ chprintf(chp, "%D%s", unix_time, "\r\n"); GetTimeTm(&timp); chprintf(chp, "%s", asctime(&timp)); } return; } if ((argc == 2) && (strcmp(argv[0], "set") == 0)){ unix_time = atol(argv[1]); if (unix_time > 0){ SetTimeUnixSec(unix_time); return; } else{ goto ERROR; } } else{ goto ERROR; } ERROR: chprintf(chp, "Usage: date get\r\n"); chprintf(chp, " date set N\r\n"); chprintf(chp, "where N is time in seconds sins Unix epoch\r\n"); chprintf(chp, "you can get current N value from unix console by the command\r\n"); chprintf(chp, "%s", "date +\%s\r\n"); return; } /* * */ static SerialConfig ser_cfg = { 115200, 0, 0, 0, }; /* * */ static const ShellCommand commands[] = { {"alarm", cmd_alarm}, {"date", cmd_date}, {"sleep", cmd_sleep}, {NULL, NULL} }; /* * */ static const ShellConfig shell_cfg1 = { (BaseSequentialStream *)&SD2, commands }; /* * working area for shell thread */ static THD_WORKING_AREA(waShell, 1024); /** * Main function. */ int main(void){ halInit(); chSysInit(); chThdCreateStatic(blinkWA, sizeof(blinkWA), NORMALPRIO, blink_thd, NULL); #if WAKEUP_TEST /* set wakeup */ wakeupspec.wutr = ((uint32_t)4) << 16; /* select 1 Hz clock source */ wakeupspec.wutr |= 9; /* set counter value to 9. Period will be 9+1 seconds. */ rtcSTM32SetPeriodicWakeup(&RTCD1, &wakeupspec); osalThreadSleepSeconds(3); anabiosis(); #else /* switch off wakeup */ rtcSTM32SetPeriodicWakeup(&RTCD1, NULL); /* Shell initialization.*/ sdStart(&SD2, &ser_cfg); shellInit(); shellCreateStatic(&shell_cfg1, waShell, sizeof(waShell), NORMALPRIO); /* wait until user do not want to test wakeup */ while (TRUE){ osalThreadSleepMilliseconds(200); } #endif /* WAKEUP_TEST */ return 0; } 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379