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@@ -0,0 +1,284 @@
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+/*
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+ * Copyright (c) 2006-2024 RT-Thread Development Team
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+ *
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+ * SPDX-License-Identifier: Apache-2.0
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+ *
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+ * Change Logs:
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+ * Date Author Notes
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+ * 2024-11-26 hywing the first version.
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+ *
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+*/
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+#include <rtthread.h>
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+
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+#ifdef BSP_USING_HWTIMER
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+
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+#define LOG_TAG "drv.hwtimer"
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+#include <drv_log.h>
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+#include <rtdevice.h>
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+#include "drv_hwtimer.h"
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+#include "fsl_ctimer.h"
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+
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+enum
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+{
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+#ifdef BSP_USING_CTIMER0
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+ TIM0_INDEX,
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+#endif
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+#ifdef BSP_USING_CTIMER1
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+ TIM1_INDEX,
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+#endif
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+#ifdef BSP_USING_CTIMER2
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+ TIM2_INDEX,
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+#endif
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+};
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+
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+#ifdef BSP_USING_CTIMER0
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+#define TIM0_CONFIG \
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+ { \
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+ .tim_handle = CTIMER0, \
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+ .tim_irqn = CTIMER0_IRQn, \
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+ .name = "timer0", \
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+ }
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+#endif /* TIM0_CONFIG */
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+
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+#ifdef BSP_USING_CTIMER1
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+#define TIM1_CONFIG \
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+ { \
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+ .tim_handle = CTIMER1, \
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+ .tim_irqn = CTIMER1_IRQn, \
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+ .name = "timer1", \
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+ }
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+#endif /* TIM1_CONFIG */
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+
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+#ifdef BSP_USING_CTIMER2
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+#define TIM2_CONFIG \
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+ { \
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+ .tim_handle = CTIMER2, \
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+ .tim_irqn = CTIMER2_IRQn, \
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+ .name = "timer2", \
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+ }
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+#endif /* TIM2_CONFIG */
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+
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+struct mcxa_hwtimer
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+{
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+ rt_hwtimer_t time_device;
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+ CTIMER_Type* tim_handle;
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+ enum IRQn tim_irqn;
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+ char* name;
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+};
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+
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+static struct mcxa_hwtimer mcxa_hwtimer_obj[] =
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+{
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+#ifdef BSP_USING_CTIMER0
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+ TIM0_CONFIG,
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+#endif
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+
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+#ifdef BSP_USING_CTIMER1
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+ TIM1_CONFIG,
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+#endif
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+
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+#ifdef BSP_USING_CTIMER2
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+ TIM2_CONFIG,
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+#endif
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+};
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+
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+static void NVIC_Configuration(void)
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+{
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+#ifdef BSP_USING_CTIMER0
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+ EnableIRQ(CTIMER0_IRQn);
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+#endif
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+
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+#ifdef BSP_USING_CTIMER1
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+ EnableIRQ(CTIMER1_IRQn);
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+#endif
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+
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+#ifdef BSP_USING_CTIMER2
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+ EnableIRQ(CTIMER2_IRQn);
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+#endif
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+}
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+
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+static rt_err_t mcxa_ctimer_control(rt_hwtimer_t *timer, rt_uint32_t cmd, void *args)
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+{
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+ rt_err_t err = RT_EOK;
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+ CTIMER_Type *hwtimer_dev;
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+ hwtimer_dev = (CTIMER_Type *)timer->parent.user_data;
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+
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+ RT_ASSERT(timer != RT_NULL);
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+
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+ switch (cmd)
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+ {
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+ case HWTIMER_CTRL_FREQ_SET:
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+ {
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+ uint32_t clk;
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+ uint32_t pre;
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+ if(hwtimer_dev == CTIMER0) clk = CLOCK_GetCTimerClkFreq(0U);
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+ if(hwtimer_dev == CTIMER1) clk = CLOCK_GetCTimerClkFreq(1U);
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+ if(hwtimer_dev == CTIMER2) clk = CLOCK_GetCTimerClkFreq(2U);
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+
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+ pre = clk / *((uint32_t *)args) - 1;
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+
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+ hwtimer_dev->PR = pre;
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+ }
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+ break;
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+ default:
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+ err = -RT_ENOSYS;
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+ break;
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+ }
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+ return err;
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+}
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+
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+static rt_uint32_t mcxa_ctimer_count_get(rt_hwtimer_t *timer)
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+{
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+ rt_uint32_t CurrentTimer_Count;
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+ CTIMER_Type *hwtimer_dev;
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+ hwtimer_dev = (CTIMER_Type *)timer->parent.user_data;
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+
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+ RT_ASSERT(timer != RT_NULL);
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+
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+ CurrentTimer_Count = hwtimer_dev->TC;
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+
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+ return CurrentTimer_Count;
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+}
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+
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+static void mcxa_ctimer_init(rt_hwtimer_t *timer, rt_uint32_t state)
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+{
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+ CTIMER_Type *hwtimer_dev;
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+ ctimer_config_t cfg;
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+ hwtimer_dev = (CTIMER_Type *)timer->parent.user_data;
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+
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+ RT_ASSERT(timer != RT_NULL);
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+
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+ /* Use Main clock for some of the Ctimers */
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+ if(hwtimer_dev == CTIMER0) CLOCK_AttachClk(kFRO_HF_to_CTIMER0);
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+ if(hwtimer_dev == CTIMER1) CLOCK_AttachClk(kFRO_HF_to_CTIMER1);
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+ if(hwtimer_dev == CTIMER2) CLOCK_AttachClk(kFRO_HF_to_CTIMER2);
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+
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+ CTIMER_Init(hwtimer_dev, &cfg);
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+
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+ if (state == 1)
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+ {
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+ NVIC_Configuration();
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+ CTIMER_GetDefaultConfig(&cfg);
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+ CTIMER_Init(hwtimer_dev, &cfg);
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+ }
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+}
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+
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+static rt_err_t mcxa_ctimer_start(rt_hwtimer_t *timer, rt_uint32_t cnt, rt_hwtimer_mode_t mode)
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+{
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+ CTIMER_Type *hwtimer_dev;
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+ hwtimer_dev = (CTIMER_Type *)timer->parent.user_data;
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+ /* Match Configuration for Channel 0 */
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+ ctimer_match_config_t matchCfg;
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+
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+ RT_ASSERT(timer != RT_NULL);
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+
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+ /* Configuration*/
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+ matchCfg.enableCounterReset = true;
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+ matchCfg.enableCounterStop = (mode == HWTIMER_MODE_ONESHOT) ? true : false;;
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+ matchCfg.matchValue = cnt;
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+ matchCfg.outControl = kCTIMER_Output_NoAction;
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+ matchCfg.outPinInitState = false;
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+ matchCfg.enableInterrupt = true;
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+
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+ CTIMER_SetupMatch(hwtimer_dev, kCTIMER_Match_1, &matchCfg);
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+
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+ NVIC_Configuration();
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+
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+ CTIMER_StartTimer(hwtimer_dev);
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+
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+ return RT_EOK;
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+}
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+
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+static void mcxa_ctimer_stop(rt_hwtimer_t *timer)
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+{
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+ CTIMER_Type *hwtimer_dev;
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+ hwtimer_dev = (CTIMER_Type *)timer->parent.user_data;
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+
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+ RT_ASSERT(timer != RT_NULL);
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+
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+ CTIMER_StopTimer(hwtimer_dev);
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+}
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+
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+static const struct rt_hwtimer_ops mcxa_hwtimer_ops =
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+{
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+ .init = mcxa_ctimer_init,
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+ .start = mcxa_ctimer_start,
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+ .stop = mcxa_ctimer_stop,
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+ .count_get = mcxa_ctimer_count_get,
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+ .control = mcxa_ctimer_control,
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+};
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+
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+static const struct rt_hwtimer_info mcxa_hwtimer_info =
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+{
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+ 96000000, /* the maximum count frequency can be set */
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+ 6103, /* the minimum count frequency can be set */
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+ 0xFFFFFFFF,
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+ HWTIMER_CNTMODE_UP,
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+};
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+
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+int rt_hw_hwtimer_init(void)
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+{
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+ int i = 0;
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+ int result = RT_EOK;
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+
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+ for (i = 0; i < sizeof(mcxa_hwtimer_obj) / sizeof(mcxa_hwtimer_obj[0]); i++)
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+ {
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+ mcxa_hwtimer_obj[i].time_device.info = &mcxa_hwtimer_info;
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+ mcxa_hwtimer_obj[i].time_device.ops = &mcxa_hwtimer_ops;
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+ if (rt_device_hwtimer_register(&mcxa_hwtimer_obj[i].time_device,
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+ mcxa_hwtimer_obj[i].name, mcxa_hwtimer_obj[i].tim_handle) == RT_EOK)
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+ {
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+ LOG_D("%s register success", mcxa_hwtimer_obj[i].name);
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+ }
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+ else
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+ {
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+ LOG_E("%s register failed", mcxa_hwtimer_obj[i].name);
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+ result = -RT_ERROR;
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+ }
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+ }
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+
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+ return result;
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+}
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+
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+INIT_DEVICE_EXPORT(rt_hw_hwtimer_init);
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+
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+#ifdef BSP_USING_CTIMER0
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+void CTIMER0_IRQHandler(void)
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+{
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+ uint32_t int_stat;
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+ /* Get Interrupt status flags */
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+ int_stat = CTIMER_GetStatusFlags(CTIMER0);
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+ /* Clear the status flags that were set */
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+ CTIMER_ClearStatusFlags(CTIMER0, int_stat);
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+ rt_device_hwtimer_isr(&mcxa_hwtimer_obj[TIM0_INDEX].time_device);
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+
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+}
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+#endif /* BSP_USING_HWTIMER0 */
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+
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+#ifdef BSP_USING_CTIMER1
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+void CTIMER1_IRQHandler(void)
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+{
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+ uint32_t int_stat;
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+ /* Get Interrupt status flags */
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+ int_stat = CTIMER_GetStatusFlags(CTIMER1);
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+ /* Clear the status flags that were set */
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+ CTIMER_ClearStatusFlags(CTIMER1, int_stat);
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+ rt_device_hwtimer_isr(&mcxa_hwtimer_obj[TIM1_INDEX].time_device);
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+
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+}
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+#endif /* BSP_USING_HWTIMER1 */
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+
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+#ifdef BSP_USING_CTIMER2
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+void CTIMER2_IRQHandler(void)
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+{
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+ uint32_t int_stat;
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+ /* Get Interrupt status flags */
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+ int_stat = CTIMER_GetStatusFlags(CTIMER2);
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+ /* Clear the status flags that were set */
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+ CTIMER_ClearStatusFlags(CTIMER2, int_stat);
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+ rt_device_hwtimer_isr(&mcxa_hwtimer_obj[TIM2_INDEX].time_device);
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+
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+}
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+#endif /* BSP_USING_HWTIMER2 */
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+
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+
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+#endif /* BSP_USING_HWTIMER */
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