nrf5/hal: Updating hal RTC implementation.
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@ -26,11 +26,83 @@
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#include "mphalport.h"
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#include "hal_rtc.h"
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#include "hal_irq.h"
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#ifdef HAL_RTC_MODULE_ENABLED
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void hal_rtc_init(NRF_RTC_Type * p_instance, hal_rtc_init_t const * p_rtc_init) {
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static hal_rtc_app_callback m_callback;
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void hal_rtc_callback_set(hal_rtc_app_callback callback) {
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m_callback = callback;
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}
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void hal_rtc_init(hal_rtc_conf_t const * p_rtc_conf) {
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p_rtc_conf->p_instance->PRESCALER = (32768 / p_rtc_conf->frequency) - 1; // approx correct.
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hal_irq_priority(p_rtc_conf->irq_num, p_rtc_conf->irq_priority);
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}
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void hal_rtc_start(hal_rtc_conf_t const * p_rtc_conf, uint16_t period) {
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p_rtc_conf->p_instance->CC[0] = period;
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p_rtc_conf->p_instance->EVTENSET = RTC_EVTEN_COMPARE0_Msk;
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p_rtc_conf->p_instance->INTENSET = RTC_INTENSET_COMPARE0_Msk;
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hal_irq_clear(p_rtc_conf->irq_num);
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hal_irq_enable(p_rtc_conf->irq_num);
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p_rtc_conf->p_instance->TASKS_START = 1;
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}
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void hal_rtc_stop(hal_rtc_conf_t const * p_rtc_conf) {
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p_rtc_conf->p_instance->TASKS_STOP = 1;
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p_rtc_conf->p_instance->EVTENCLR = RTC_EVTEN_COMPARE0_Msk;
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p_rtc_conf->p_instance->INTENCLR = RTC_INTENSET_COMPARE0_Msk;
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hal_irq_disable(p_rtc_conf->irq_num);
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}
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void RTC0_IRQHandler(void)
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{
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// clear all events
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->EVENTS_COMPARE[1] = 0;
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NRF_RTC0->EVENTS_COMPARE[2] = 0;
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NRF_RTC0->EVENTS_COMPARE[3] = 0;
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NRF_RTC0->EVENTS_TICK = 0;
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NRF_RTC0->EVENTS_OVRFLW = 0;
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m_callback(NRF_RTC0);
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}
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void RTC1_IRQHandler(void)
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{
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// clear all events
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NRF_RTC1->EVENTS_COMPARE[0] = 0;
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NRF_RTC1->EVENTS_COMPARE[1] = 0;
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NRF_RTC1->EVENTS_COMPARE[2] = 0;
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NRF_RTC1->EVENTS_COMPARE[3] = 0;
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NRF_RTC1->EVENTS_TICK = 0;
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NRF_RTC1->EVENTS_OVRFLW = 0;
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m_callback(NRF_RTC1);
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}
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#if NRF52
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void RTC2_IRQHandler(void)
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{
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// clear all events
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NRF_RTC2->EVENTS_COMPARE[0] = 0;
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NRF_RTC2->EVENTS_COMPARE[1] = 0;
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NRF_RTC2->EVENTS_COMPARE[2] = 0;
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NRF_RTC2->EVENTS_COMPARE[3] = 0;
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NRF_RTC2->EVENTS_TICK = 0;
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NRF_RTC2->EVENTS_OVRFLW = 0;
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m_callback(NRF_RTC2);
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}
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#endif // NRF52
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#endif // HAL_RTC_MODULE_ENABLED
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@ -49,22 +49,33 @@
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#error "Device not supported."
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#endif
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typedef void (*hal_rtc_app_callback)(NRF_RTC_Type * p_instance);
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/**
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* @brief RTC Configuration Structure definition
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*/
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typedef struct {
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} hal_rtc_init_t;
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NRF_RTC_Type * p_instance; /* RTC registers base address */
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uint32_t irq_num; /* RTC IRQ num */
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uint32_t irq_priority; /* RTC IRQ priority */
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uint16_t frequency; /* RTC frequency in Hz */
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} hal_rtc_conf_t;
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/**
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* @brief RTC handle Structure definition
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*/
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typedef struct __RTC_HandleTypeDef
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{
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NRF_RTC_Type *instance; /* RTC registers base address */
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hal_rtc_init_t init; /* RTC initialization parameters */
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uint8_t id; /* RTC instance id */
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uint8_t id; /* RTC instance id */
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hal_rtc_conf_t config; /* RTC config */
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} RTC_HandleTypeDef;
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void hal_rtc_init(NRF_RTC_Type * p_instance, hal_rtc_init_t const * p_rtc_init);
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void hal_rtc_callback_set(hal_rtc_app_callback callback);
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void hal_rtc_init(hal_rtc_conf_t const * p_rtc_config);
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void hal_rtc_start(hal_rtc_conf_t const * p_rtc_conf, uint16_t period);
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void hal_rtc_stop(hal_rtc_conf_t const * p_rtc_conf);
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#endif // HAL_RTC_H__
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