/* Read the time from the RTC_STAT. time_in_seconds is seconds since Jan 1970 */
int rtc_get(struct rtc_time *tmp)
{
uint32_t cur_rtc_stat;
int time_in_sec;
int tm_sec, tm_min, tm_hr, tm_day;
pr_stamp();
if (tmp == NULL) {
puts("Error getting the date/time\n");
return -1;
}
rtc_init();
wait_for_complete();
/* Read the RTC_STAT register */
cur_rtc_stat = bfin_read_RTC_STAT();
/* Convert our encoded format into actual time values */
tm_sec = (cur_rtc_stat & RTC_SEC) >> RTC_SEC_P;
tm_min = (cur_rtc_stat & RTC_MIN) >> RTC_MIN_P;
tm_hr = (cur_rtc_stat & RTC_HR ) >> RTC_HR_P;
tm_day = (cur_rtc_stat & RTC_DAY) >> RTC_DAY_P;
/* Calculate the total number of seconds since epoch */
time_in_sec = (tm_sec) + MIN_TO_SECS(tm_min) + HRS_TO_SECS(tm_hr) + DAYS_TO_SECS(tm_day);
to_tm(time_in_sec, tmp);
return 0;
}
/* Set the time. Get the time_in_secs which is the number of seconds since Jan 1970 and set the RTC registers
* based on this value.
*/
int rtc_set(struct rtc_time *tmp)
{
unsigned long remain, days, hrs, mins, secs;
pr_stamp();
if (tmp == NULL) {
puts("Error setting the date/time\n");
return -1;
}
rtc_init();
wait_for_complete();
/* Calculate number of seconds this incoming time represents */
remain = mktime(tmp->tm_year, tmp->tm_mon, tmp->tm_mday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
/* Figure out how many days since epoch */
days = remain / NUM_SECS_IN_DAY;
/* From the remaining secs, compute the hrs(0-23), mins(0-59) and secs(0-59) */
remain = remain % NUM_SECS_IN_DAY;
hrs = remain / NUM_SECS_IN_HR;
remain = remain % NUM_SECS_IN_HR;
mins = remain / NUM_SECS_IN_MIN;
secs = remain % NUM_SECS_IN_MIN;
/* Encode these time values into our RTC_STAT register */
bfin_write_RTC_STAT(SET_ALARM(days, hrs, mins, secs));
return 0;
}
void loopback_run(struct loopback_test *t)
{
int i;
int ret;
for (i = 0; dict[i].name != NULL; i++) {
if (strstr(dict[i].name, t->test_name))
t->test_id = dict[i].type;
}
if (!t->test_id) {
fprintf(stderr, "invalid test %s\n", t->test_name);
usage();
return;
}
prepare_devices(t);
ret = open_poll_files(t);
if (ret)
goto err;
start(t);
ret = wait_for_complete(t);
close_poll_files(t);
if (ret)
goto err;
get_results(t);
log_results(t);
return;
err:
printf("Error running test\n");
return;
}
void loopback_run(struct loopback_test *t)
{
int i;
int ret;
for (i = 0; dict[i].name != NULL; i++) {
if (strstr(dict[i].name, t->test_name))
t->test_id = dict[i].type;
}
if (!t->test_id) {
fprintf(stderr, "invalid test %s\n", t->test_name);
usage();
return;
}
prepare_devices(t);
ret = register_for_notification(t);
if (ret)
goto err;
start(t);
sleep(1);
wait_for_complete(t);
unregister_for_notification(t);
get_results(t);
log_results(t);
return;
err:
printf("Error running test\n");
return;
}
uint8_t MyI2C_read(uint8_t ack) {
TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
wait_for_complete();
return TWDR;
}
void MyI2C_write(uint8_t data) {
TWDR = data;
TWCR = (1<<TWINT) | (1<<TWEN);
wait_for_complete();
}
void MyI2C_start(void) {
TWCR = (1<< TWINT) | (1 << TWSTA) | (1 << TWEN);
wait_for_complete();
}
