hpw422初始版本

2026-06-04 09:13:55 +08:00
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+/*!
+ * \file      xc_drv_aotimer.c
+ *
+ * \brief     Target xinchip aotimer driver implementation
+ *
+ * \copyright Revised BSD License, see section \ref LICENSE.
+ *
+ * \code
+ *
+ *            _  __ _       ________    _
+ *           | |/ /(_)___  / ____/ /_  (_)___
+ *           |   // / __ \/ /   / __ \/ / __ \
+ *          /   |/ / / / / /___/ / / / / /_/ /
+ *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
+ *                                   /_/
+ *           (C) 2022-2025 XinChip
+ *
+ * \endcode
+ *
+ * \author     ( XinChip ) Alex-J
+ *
+ * \author     ( XinChip )
+ */
+
+/*-----------------------------------------------------------------------------------
+                                       INCLUDE HEADE FILES
+ ------------------------------------------------------------------------------------*/
+#include "xc_drv_aotimer.h"
+
+/*------------------------------------------------------------------------------------
+                                          Local Variables
+ -------------------------------------------------------------------------------------*/
+static bool aotimer_rst_flag                   = false;
+
+/*------------------------------------------------------------------------------------
+                                         Func Prototype
+ -------------------------------------------------------------------------------------*/
+aotimer_handler_callback aotimer_n_callback[2] = {aotimer0_callback,
+                                                  aotimer1_callback};
+
+/*------------------------------------------------------------------------------------
+                                            Functions
+ -------------------------------------------------------------------------------------*/
+
+
+												  
+/**
+**************************************************************************************
+ * @brief       xc_aotimer_init
+ * @details     Example Initialize the aotimer according to its number
+ * @param[in]   reg_idx 	: aotimer  number  idx; AOTIMER0_IDX or AOTIMER1_IDX
+ * @param[in]	*init_cfg	: This is the structure parameter that the AOTimer initializes
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void xc_aotimer_init(uint8_t reg_idx, AOTimer_InitCfg_t *init_cfg)
+{
+    if (aotimer_rst_flag == false) {
+        cprao_aon_clken_grctl__timer_ao_pclk_en__setf(ENABLE);
+        aotimer_rst_flag = true;
+    }
+	
+	//The clocks for ao timer0 and ao timer1 need to be turned on at the same time.
+    if (AOTIMER0_IDX == reg_idx) {
+        cprao_aon_clken_grctl__timer0_ao_pclk_en__setf(ENABLE);
+		cprao_aon_clken_grctl__timer1_ao_pclk_en__setf(ENABLE);
+    } else if (AOTIMER1_IDX == reg_idx) {
+		cprao_aon_clken_grctl__timer0_ao_pclk_en__setf(ENABLE);
+        cprao_aon_clken_grctl__timer1_ao_pclk_en__setf(ENABLE);
+    }
+    cpr_lp_ctl__timer_sysclk_sel__setf(ENABLE);
+
+    aotimer_tcr__tes__setf(reg_idx, DISABLE);
+    aotimer_tcr__tms__setf(reg_idx, (uint8_t)init_cfg->aotimer_mode);
+    (void)aotimer_tic__tic__getf(reg_idx);
+}
+
+
+
+
+/**
+**************************************************************************************
+ * @brief       xc_aotimer_us_to_ticks
+ * @details     Returns the number of ticks according to the time to be set by the aotimer
+ * @param[in]   us : Time set by the timer (Microsecond is the smallest unit)
+
+ * @param[out]	void
+ * @retval      ticks ( Tick count )
+***************************************************************************************
+*/
+static uint32_t xc_aotimer_us_to_ticks(uint32_t us)
+{
+    uint32_t ticks = AOTIMER_TICK_CAL(us);
+
+    if (ticks < AOTIMER_MIN_TLC_VAL)
+        ticks = AOTIMER_MIN_TLC_VAL;
+
+    return ticks;
+}
+
+
+
+
+/**
+**************************************************************************************
+ * @brief       xc_aotimer_set_value
+ * @details     Set the timing time according to the aotimer number
+ * @param[in]   reg_idx : aotimer  number  idx; AOTIMER0_IDX or AOTIMER1_IDX
+ * @param[in]	us 		: Time set by the timer (Microsecond is the smallest unit)
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void xc_aotimer_set_value(uint8_t reg_idx, uint32_t us)
+{
+    uint32_t ticks = xc_aotimer_us_to_ticks(us);
+
+    aotimer_tcr__tes__setf(reg_idx, AOTIMER_TCR_TES_DISABLE);
+
+    aotimer_tlc_set(reg_idx, ticks);
+}
+
+
+
+/**
+**************************************************************************************
+ * @brief       xc_aotimer_start
+ * @details     Start the timer according to the aotimer number
+ * @param[in]   reg_idx : aotimer  number  idx; AOTIMER0_IDX or AOTIMER1_IDX
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void xc_aotimer_start(uint8_t reg_idx)
+{
+	NVIC_EnableIRQ( (IRQn_Type)(TIMER_AO0_IRQn+reg_idx) );   
+    aotimer_tcr__tim__setf(reg_idx, 0);
+    aotimer_tcr__tes__setf(reg_idx, ENABLE);
+    // Wait for timer enable
+    while(aotimer_tcr__tes__getf(reg_idx) != ENABLE)
+    {
+        __nop();
+    }
+}
+
+/**
+**************************************************************************************
+ * @brief       xc_aotimer_stop
+ * @details     Stop the timer according to the aotimer number
+ * @param[in]   reg_idx : aotimer  number  idx; AOTIMER0_IDX or AOTIMER1_IDX
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void xc_aotimer_stop(uint8_t reg_idx)
+{
+    aotimer_tcr__tes__setf(reg_idx, DISABLE);
+}
+
+/**
+**************************************************************************************
+ * @brief       AOTIMER0_Handler
+ * @details     AOTIMER0 Interrupt function
+ * @param[in]   void
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void AOTIMER0_Handler(void)
+{
+    cprao_aon_reg1__timer_ao_sleep_clksw__setf(0);
+    (void)aotimer_tic__tic__getf(AOTIMER0_IDX);
+    if (aotimer_n_callback[0] != NULL)
+        aotimer_n_callback[0](NULL);
+}
+
+/**
+**************************************************************************************
+ * @brief       AOTIMER1_Handler
+ * @details     AOTIMER1 Interrupt function
+ * @param[in]   void
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+void AOTIMER1_Handler(void)
+{
+    cprao_aon_reg1__timer_ao_sleep_clksw__setf(0);
+    (void)aotimer_tic__tic__getf(AOTIMER1_IDX);
+    if (aotimer_n_callback[1] != NULL)
+        aotimer_n_callback[1](NULL);
+}
+
+/**
+**************************************************************************************
+ * @brief       aotimer0_callback
+ * @details     AOTIMER0 Interrupt the callback function
+ * @param[in]   void
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+__WEAK void aotimer0_callback(void *context)
+{ /* AOTimer0 中断回调处理事件 */
+}
+
+/**
+**************************************************************************************
+ * @brief       aotimer1_callback
+ * @details     AOTIMER1 Interrupt the callback function
+ * @param[in]   void
+ * @param[out]	void
+ * @retval      void 
+***************************************************************************************
+*/
+__WEAK void aotimer1_callback(void *context)
+{ /* AOTimer1 中断回调处理事件 */
+}