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Implementation of RTC continuous synchronization during pulsein 

Flags and code to implement RTC continuous synchronization during pulsein
This commit is contained in:
DavePutz 2020-07-04 21:15:38 -05:00 committed by GitHub
parent 22d67b45f0
commit 94d90742dd
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 0 deletions
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10
ports/atmel-samd/common-hal/pulseio/PulseIn.c
View File

@ -125,6 +125,9 @@ void pulsein_interrupt_handler(uint8_t channel) {
} }
void pulsein_reset() { void pulsein_reset() {
#ifdef SAMD21
rtc_end_pulsein();
#endif
refcount = 0; refcount = 0;
pulsein_tc_index = 0xff; pulsein_tc_index = 0xff;
overflow_count = 0; overflow_count = 0;
@ -221,6 +224,10 @@ void common_hal_pulseio_pulsein_construct(pulseio_pulsein_obj_t* self,
// Set config will enable the EIC. // Set config will enable the EIC.
pulsein_set_config(self, true); pulsein_set_config(self, true);
#ifdef SAMD21
rtc_start_pulsein();
#endif
} }
bool common_hal_pulseio_pulsein_deinited(pulseio_pulsein_obj_t* self) { bool common_hal_pulseio_pulsein_deinited(pulseio_pulsein_obj_t* self) {
@ -231,6 +238,9 @@ void common_hal_pulseio_pulsein_deinit(pulseio_pulsein_obj_t* self) {
if (common_hal_pulseio_pulsein_deinited(self)) { if (common_hal_pulseio_pulsein_deinited(self)) {
return; return;
} }
#ifdef SAMD21
rtc_end_pulsein();
#endif
set_eic_handler(self->channel, EIC_HANDLER_NO_INTERRUPT); set_eic_handler(self->channel, EIC_HANDLER_NO_INTERRUPT);
turn_off_eic_channel(self->channel); turn_off_eic_channel(self->channel);
reset_pin_number(self->pin); reset_pin_number(self->pin);

6
ports/atmel-samd/common-hal/pulseio/PulseIn.h
View File

@ -50,5 +50,11 @@ void pulsein_reset(void);
void pulsein_interrupt_handler(uint8_t channel); void pulsein_interrupt_handler(uint8_t channel);
void pulsein_timer_interrupt_handler(uint8_t index); void pulsein_timer_interrupt_handler(uint8_t index);
#ifdef SAMD21
void rtc_set_continuous(void);
void rtc_start_pulsein(void);
void rtc_end_pulsein(void);
#endif
#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PULSEIO_PULSEIN_H #endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PULSEIO_PULSEIN_H