RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

cpu/sam0_common: PWM: fix build on samd20

Browse Source 
There is no SYNCBUSY register, so the dummy fallback does not work.
This code path is not used anyway, so just ifdef it out.
This commit is contained in:
Benjamin Valentin 2020-10-01 14:40:27 +02:00 committed by Benjamin Valentin
parent 5b11da01c1
commit f11fc64af6
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
cpu/sam0_common/periph/pwm.c
View File

@ -40,9 +40,12 @@
/* dummy defines to not litter the code with ifdefs if no TCC is available */
#ifndef REV_TCC
typedef TcCount8 Tcc;
#define TCC_SYNCBUSY_CC0 TC_SYNCBUSY_CC0
#define TCC_CTRLA_ENABLE TC_CTRLA_ENABLE
#define TCC_SYNCBUSY_CC0 TC_SYNCBUSY_CC0
#ifdef TC_SYNCBUSY_MASK
#define TCC_SYNCBUSY_MASK TC_SYNCBUSY_MASK
#endif
#endif /* !REV_TCC */
static inline Tc *_tc(pwm_t dev)
{
@ -369,7 +372,11 @@ static void _tcc_set(Tcc *tcc, uint8_t chan, uint16_t value)
/* TODO: use OTMX for pin remapping */
chan %= _tcc_get_cc_numof(tcc);
tcc->CC[chan].reg = value;
#ifdef TCC_SYNCBUSY_MASK
while (tcc->SYNCBUSY.reg & (TCC_SYNCBUSY_CC0 << chan)) {}
#else
while (tcc->STATUS.bit.SYNCBUSY) {}
#endif
}
void pwm_set(pwm_t dev, uint8_t channel, uint16_t value)