xushaoxiang
214 lines
6.3 KiB
C
214 lines
6.3 KiB
C
/*!
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* \file xc_drv_rtc.c
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*
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* \brief Target xc aotimer driver implementation
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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*
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* _ __ _ ________ _
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* | |/ /(_)___ / ____/ /_ (_)___
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* | // / __ \/ / / __ \/ / __ \
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* / |/ / / / / /___/ / / / / /_/ /
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* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
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* /_/
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* (C) 2022-2025 XinChip
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*
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* \endcode
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*
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* \author ( XinChip ) Alex-J
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*
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* \author ( XinChip )
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*/
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/*-----------------------------------------------------------------------------------
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INCLUDE HEADE FILES
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------------------------------------------------------------------------------------*/
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#include "xc6xxx.h"
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/*------------------------------------------------------------------------------------
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Local Variables
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-------------------------------------------------------------------------------------*/
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static volatile uint8_t calibration_flag = 0;
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/*------------------------------------------------------------------------------------
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Global Variables
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-------------------------------------------------------------------------------------*/
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uint8_t AO_Timer_Callback(uint8_t calib_flag);
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RTC_Intr_Cb_t RTC_Intr_cb = {
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AO_Timer_Callback,
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T1_CMR_Callback,
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T2_CMR_Callback,
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T3_CMR_Callback,
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Sec_Callback,
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Min_Callback,
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Hour_Callback,
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Day_Callback};
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/*------------------------------------------------------------------------------------
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Func Prototype
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-------------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------------
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Functions
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-------------------------------------------------------------------------------------*/
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void xc_rtc_start(void) { rtc_icr__rtc__cnt_e__setf(RTC_ICR_CNTE_ENABLE); }
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void xc_rtc_stop(void) { rtc_icr__rtc__cnt_e__setf(RTC_ICR_CNTE_DISABLE); }
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static void xc_rtc_matchtime_set(RTC_InitCfg_t *rtc_cfg)
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{
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if (rtc_cfg->MatchTime.ch == RTC_MATCH_T1) {
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rtc_cmr_one_pack(rtc_cfg->MatchTime.Week, rtc_cfg->MatchTime.Hour,
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rtc_cfg->MatchTime.Min, rtc_cfg->MatchTime.Sec);
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} else if (rtc_cfg->MatchTime.ch == RTC_MATCH_T2) {
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rtc_cmr_two_pack(rtc_cfg->MatchTime.Week, rtc_cfg->MatchTime.Hour,
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rtc_cfg->MatchTime.Min, rtc_cfg->MatchTime.Sec);
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} else if (rtc_cfg->MatchTime.ch == RTC_MATCH_T3) {
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rtc_cmr_three_pack(rtc_cfg->MatchTime.Week, rtc_cfg->MatchTime.Hour,
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rtc_cfg->MatchTime.Min, rtc_cfg->MatchTime.Sec);
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}
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}
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void xc_rtc_date_get(Rtc_DateTypeDef_t *Date) { __rtc_dateget(Date); }
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void xc_rtc_init(RTC_InitCfg_t *rtc_cfg)
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{
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cpr_ctlapbclken_grctl__rtc_pclk_en__setf(ENABLE);
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cprao_aon_clken_grctl__rtc_clk_en__setf(ENABLE);
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rtc_icr_set(DISABLE);
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rtc_raw_limit__setf(xc_clock_lfclk_in_get());
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rtc_datelimitSet(rtc_cfg);
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rtc_dateSet(rtc_cfg);
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if (rtc_cfg->MatchTimeEnable) {
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xc_rtc_matchtime_set(rtc_cfg);
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rtc_config_matchtimeit(rtc_cfg);
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}
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if (rtc_cfg->SecIT_Enable) {
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rtc_config_secit(rtc_cfg);
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}
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if (rtc_cfg->MinIT_Enable) {
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rtc_config_minit(rtc_cfg);
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}
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if (rtc_cfg->HourIT_Enable) {
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rtc_config_hourit(rtc_cfg);
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}
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if (rtc_cfg->DayIT_Enable) {
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rtc_config_dayit(rtc_cfg);
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}
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}
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uint8_t AO_Timer_Callback(uint8_t calib_flag)
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{
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calib_flag = 1;
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return calib_flag;
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}
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void RTC_Handler(void)
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{
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uint32_t val;
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val = rtc_all_intr_ao_get();
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if (val & RTC_AO_ALL_INTR_AO_TIMER_INTR_Msk) {
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rtc_ao_timer_ctl__rtc_ao_timer_clr__setf(RTC_AO_TIMER_CTL_AO_TIMER_CLR_SET);
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rtc_ao_timer_ctl__rtc_ao_timer_en__setf(RTC_AO_TIMER_CTL_AO_TIMER_EN_DISABLE);
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calibration_flag = RTC_Intr_cb.AO_Timer_Callback(calibration_flag);
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}
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val = rtc_isr_eoi_get();
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if (val) {
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rtc_isr_eoi_set(val);
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if ((val & RTC_ICR_T1E_Msk) == RTC_ICR_T1E_Msk){
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RTC_Intr_cb.T1_CMR_Callback();
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}
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if ((val & RTC_ICR_T2E_Msk) == RTC_ICR_T2E_Msk){
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RTC_Intr_cb.T2_CMR_Callback();
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}
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if ((val & RTC_ICR_T3E_Msk) == RTC_ICR_T3E_Msk){
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RTC_Intr_cb.T3_CMR_Callback();
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}
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if ((val & RTC_ICR_DaE_Msk) == RTC_ICR_DaE_Msk){
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RTC_Intr_cb.Day_Callback();
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}
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if ((val & RTC_ICR_HoE_Msk) == RTC_ICR_HoE_Msk){
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RTC_Intr_cb.Hour_Callback();
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}
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if ((val & RTC_ICR_MiE_Msk) == RTC_ICR_MiE_Msk){
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RTC_Intr_cb.Min_Callback();
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}
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if ((val & RTC_ICR_SeE_Msk) == RTC_ICR_SeE_Msk){
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RTC_Intr_cb.Sec_Callback();
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}
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}
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}
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__WEAK uint8_t T1_CMR_Callback(void) { return 0; }
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__WEAK uint8_t T2_CMR_Callback(void) { return 0; }
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__WEAK uint8_t T3_CMR_Callback(void) { return 0; }
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__WEAK uint8_t Sec_Callback(void) { return 0; }
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__WEAK uint8_t Min_Callback(void) { return 0; }
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__WEAK uint8_t Hour_Callback(void) { return 0; }
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__WEAK uint8_t Day_Callback(void) { return 0; }
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/***********************************************************************************
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***************************** RC32 Calibration
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******************************
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***********************************************************************************/
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/**
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* @brief RC32k_Count_Calib
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* @details 鏍″噯 RC32K 瀹為檯璁℃暟鍊?
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*
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* @param RTC 瀵勫瓨鍣ㄧ储寮?
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* @retval uint8_t
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*/
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uint8_t xc_rc32k_count_calib()
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{
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volatile int32_t hw_timeout = 10000;
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uint32_t val;
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float freq = 0.0;
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rtc_ao_timer_ctl__rtc_ao_timer_value__setf(32);
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rtc_ao_timer_ctl__rtc_freq_timer_en__setf(1);
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while ((!(calibration_flag)) && (hw_timeout > 0)) {
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__nop();
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hw_timeout--;
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}
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if (hw_timeout < 0) {
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return 1;
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}
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val = rtc_freq_32k_timer_val_get();
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val *= (32000000.0f / xc_clock_hfclk_in_get());
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rtc_ao_timer_ctl__rtc_ao_timer_en__setf(DISABLE);
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rtc_ao_timer_ctl__rtc_ao_timer_clr__setf(ENABLE);
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freq = (float)(15625.0f / (float)val) * 32768.0f;
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DEBUG("Calib freq: %u\n", (uint32_t)freq);
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rtc_raw_limit__setf((uint32_t)freq);
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return 0;
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}
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