ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #12509 from SiliconLabs/bugfix/rtcc_lpticker_coexistence 

EFM32: RTCC bugfix for #12374
pull/12557/head
Martin Kojtal 2020-02-27 07:21:14 +00:00 committed by GitHub
parent 67e950296d 9bc59fe2d7
commit 5c16018c96
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
targets/TARGET_Silicon_Labs/TARGET_EFM32/rtcc.c
View File

@ -56,6 +56,7 @@ void rtc_init(void)
rtcc_init.presc = rtccCntPresc_32768;
RTCC_Init(&rtcc_init);
RTCC_Enable(true);
RTCC->RET[0].REG = 0;
}
void rtc_free(void)
@ -71,20 +72,13 @@ int rtc_isenabled(void)
time_t rtc_read(void)
{
return RTCC_CounterGet();
return RTCC_CounterGet() + RTCC->RET[0].REG;
}
void rtc_write(time_t t)
{
core_util_critical_section_enter();
uint32_t diff = t - RTCC_CounterGet();
lptick_offset += diff;
if(RTCC_IntGetEnabled() & RTCC_IF_CC0) {
RTCC->CC[0].CCV += diff << 15;
}
RTCC_CounterSet(t);
RTCC->RET[0].REG = t - RTCC_CounterGet();
core_util_critical_section_exit();
}