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nrf5/hal: Updating hal RTC implementation.

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This commit is contained in:
Glenn Ruben Bakke 2017-03-06 00:53:21 +01:00
parent 852aaba58b
commit ff7541599a
2 changed files with 89 additions and 6 deletions
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74
nrf5/hal/hal_rtc.c
View File

@ -26,11 +26,83 @@
#include "mphalport.h"
#include "hal_rtc.h"
#include "hal_irq.h"
#ifdef HAL_RTC_MODULE_ENABLED
void hal_rtc_init(NRF_RTC_Type * p_instance, hal_rtc_init_t const * p_rtc_init) {
static hal_rtc_app_callback m_callback;
void hal_rtc_callback_set(hal_rtc_app_callback callback) {
m_callback = callback;
}
void hal_rtc_init(hal_rtc_conf_t const * p_rtc_conf) {
p_rtc_conf->p_instance->PRESCALER = (32768 / p_rtc_conf->frequency) - 1; // approx correct.
hal_irq_priority(p_rtc_conf->irq_num, p_rtc_conf->irq_priority);
}
void hal_rtc_start(hal_rtc_conf_t const * p_rtc_conf, uint16_t period) {
p_rtc_conf->p_instance->CC[0] = period;
p_rtc_conf->p_instance->EVTENSET = RTC_EVTEN_COMPARE0_Msk;
p_rtc_conf->p_instance->INTENSET = RTC_INTENSET_COMPARE0_Msk;
hal_irq_clear(p_rtc_conf->irq_num);
hal_irq_enable(p_rtc_conf->irq_num);
p_rtc_conf->p_instance->TASKS_START = 1;
}
void hal_rtc_stop(hal_rtc_conf_t const * p_rtc_conf) {
p_rtc_conf->p_instance->TASKS_STOP = 1;
p_rtc_conf->p_instance->EVTENCLR = RTC_EVTEN_COMPARE0_Msk;
p_rtc_conf->p_instance->INTENCLR = RTC_INTENSET_COMPARE0_Msk;
hal_irq_disable(p_rtc_conf->irq_num);
}
void RTC0_IRQHandler(void)
{
// clear all events
NRF_RTC0->EVENTS_COMPARE[0] = 0;
NRF_RTC0->EVENTS_COMPARE[1] = 0;
NRF_RTC0->EVENTS_COMPARE[2] = 0;
NRF_RTC0->EVENTS_COMPARE[3] = 0;
NRF_RTC0->EVENTS_TICK = 0;
NRF_RTC0->EVENTS_OVRFLW = 0;
m_callback(NRF_RTC0);
}
void RTC1_IRQHandler(void)
{
// clear all events
NRF_RTC1->EVENTS_COMPARE[0] = 0;
NRF_RTC1->EVENTS_COMPARE[1] = 0;
NRF_RTC1->EVENTS_COMPARE[2] = 0;
NRF_RTC1->EVENTS_COMPARE[3] = 0;
NRF_RTC1->EVENTS_TICK = 0;
NRF_RTC1->EVENTS_OVRFLW = 0;
m_callback(NRF_RTC1);
}
#if NRF52
void RTC2_IRQHandler(void)
{
// clear all events
NRF_RTC2->EVENTS_COMPARE[0] = 0;
NRF_RTC2->EVENTS_COMPARE[1] = 0;
NRF_RTC2->EVENTS_COMPARE[2] = 0;
NRF_RTC2->EVENTS_COMPARE[3] = 0;
NRF_RTC2->EVENTS_TICK = 0;
NRF_RTC2->EVENTS_OVRFLW = 0;
m_callback(NRF_RTC2);
}
#endif // NRF52
#endif // HAL_RTC_MODULE_ENABLED

19
nrf5/hal/hal_rtc.h
View File

@ -49,22 +49,33 @@
#error "Device not supported."
#endif
typedef void (*hal_rtc_app_callback)(NRF_RTC_Type * p_instance);
/**
* @brief RTC Configuration Structure definition
*/
typedef struct {
} hal_rtc_init_t;
NRF_RTC_Type * p_instance; /* RTC registers base address */
uint32_t irq_num; /* RTC IRQ num */
uint32_t irq_priority; /* RTC IRQ priority */
uint16_t frequency; /* RTC frequency in Hz */
} hal_rtc_conf_t;
/**
* @brief RTC handle Structure definition
*/
typedef struct __RTC_HandleTypeDef
{
NRF_RTC_Type *instance; /* RTC registers base address */
hal_rtc_init_t init; /* RTC initialization parameters */
uint8_t id; /* RTC instance id */
hal_rtc_conf_t config; /* RTC config */
} RTC_HandleTypeDef;
void hal_rtc_init(NRF_RTC_Type * p_instance, hal_rtc_init_t const * p_rtc_init);
void hal_rtc_callback_set(hal_rtc_app_callback callback);
void hal_rtc_init(hal_rtc_conf_t const * p_rtc_config);
void hal_rtc_start(hal_rtc_conf_t const * p_rtc_conf, uint16_t period);
void hal_rtc_stop(hal_rtc_conf_t const * p_rtc_conf);
#endif // HAL_RTC_H__