diff options
Diffstat (limited to 'ChibiOS_16.1.5/testhal/STM32/STM32F4xx/RTC/main.c')
| -rw-r--r-- | ChibiOS_16.1.5/testhal/STM32/STM32F4xx/RTC/main.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/ChibiOS_16.1.5/testhal/STM32/STM32F4xx/RTC/main.c b/ChibiOS_16.1.5/testhal/STM32/STM32F4xx/RTC/main.c new file mode 100644 index 0000000..3c02902 --- /dev/null +++ b/ChibiOS_16.1.5/testhal/STM32/STM32F4xx/RTC/main.c @@ -0,0 +1,292 @@ +/*
+ 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 <string.h>
+#include <stdlib.h>
+
+#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(GPIOC, GPIOC_LED);
+ }
+}
+
+/*
+ * 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, NULL);
+ return mktime(&tim);
+}
+
+/*
+ * helper function
+ */
+static void GetTimeTm(struct tm *timp) {
+ rtcGetTime(&RTCD1, ×pec);
+ rtcConvertDateTimeToStructTm(×pec, timp, NULL);
+}
+
+/*
+ * 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 *)&SD6,
+ 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(&SD6, &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;
+}
+
+
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