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ChibiOS
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RTC. Nop. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3614 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
barthess 2011-12-15 15:13:37 +00:00
parent 122eecfb5e
commit 124a432b0e
2 changed files with 31 additions and 19 deletions
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4
testhal/STM32F4xx/RTC/Makefile
View File

@ -12,7 +12,7 @@ ifeq ($(USE_OPT),)
# If all calls to a given function are integrated, and the function is declared static, then the function is normally not output as assembler code in its own right.
# Enabled at level '-O3'.
USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
USE_OPT = -O0 -ggdb -fomit-frame-pointer # -mhard-float #-falign-functions=16
#USE_OPT = -O1 -ggdb -fomit-frame-pointer -falign-functions=16 -fno-inline
#USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16 -fno-strict-aliasing
#USE_OPT = -O3 -ggdb -fomit-frame-pointer -falign-functions=16
@ -41,7 +41,7 @@ endif
# Enable this if you want to see the full log while compiling.
ifeq ($(USE_VERBOSE_COMPILE),)
USE_VERBOSE_COMPILE = no
USE_VERBOSE_COMPILE = yes
endif
#

46
testhal/STM32F4xx/RTC/main.c
View File

@ -120,28 +120,28 @@ void bcd2tm(struct tm *timp, uint32_t tv_time, uint32_t tv_date){
* Convert from classical format to STM32 BCD
*/
void tm2bcd(struct tm *timp, RTCTime *timespec){
uint32_t p = 0; // temporal variable
uint32_t v = 0; // temporal variable
timespec->tv_date = 0;
timespec->tv_time = 0;
p = timp->tm_year - 100;
timespec->tv_date |= (((p / 10) & 0xF) << 20) | ((p % 10) << 16);
v = timp->tm_year - 100;
timespec->tv_date |= (((v / 10) & 0xF) << 20) | ((v % 10) << 16);
if (timp->tm_wday == 0)
p = 7;
v = 7;
else
p = timp->tm_wday;
timespec->tv_date |= (p & 7) << 13;
p = timp->tm_mon + 1;
timespec->tv_date |= (((p / 10) & 1) << 12) | ((p % 10) << 8);
p = timp->tm_mday;
timespec->tv_date |= (((p / 10) & 3) << 4) | (p % 10);
p = timp->tm_hour;
timespec->tv_time |= (((p / 10) & 3) << 20) | ((p % 10) << 16);
p = timp->tm_min;
timespec->tv_time |= (((p / 10) & 7) << 12) | ((p % 10) << 8);
p = timp->tm_sec;
timespec->tv_time |= (((p / 10) & 7) << 4) | (p % 10);
v = timp->tm_wday;
timespec->tv_date |= (v & 7) << 13;
v = timp->tm_mon + 1;
timespec->tv_date |= (((v / 10) & 1) << 12) | ((v % 10) << 8);
v = timp->tm_mday;
timespec->tv_date |= (((v / 10) & 3) << 4) | (v % 10);
v = timp->tm_hour;
timespec->tv_time |= (((v / 10) & 3) << 20) | ((v % 10) << 16);
v = timp->tm_min;
timespec->tv_time |= (((v / 10) & 7) << 12) | ((v % 10) << 8);
v = timp->tm_sec;
timespec->tv_time |= (((v / 10) & 7) << 4) | (v % 10);
}
@ -162,11 +162,23 @@ int main(void){
bcd2tm(&timp, timespec.tv_time, timespec.tv_date);
unix_time = mktime(&timp);
if (unix_time == -1){// incorrect time in RTC cell
unix_time = 1000000000;
}
tm2bcd((localtime(&unix_time)), &timespec);
rtcSetTime(&RTCD1, &timespec);
while (TRUE){
chThdSleepMilliseconds(500);
rtcGetTime(&RTCD1, &timespec);
bcd2tm(&timp, timespec.tv_time, timespec.tv_date);
unix_time = mktime(&timp);
chThdSleepMilliseconds(1500);
}
return 0;
}