Browse Source

[bsp][nxp][mcxa153] add hardware timer driver

hywing 7 months ago
parent
commit
46b2850f12

+ 284 - 0
bsp/nxp/mcx/mcxa/Libraries/drivers/drv_hwtimer.c

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

+ 17 - 0
bsp/nxp/mcx/mcxa/Libraries/drivers/drv_hwtimer.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+* Change Logs:
+* Date           Author       Notes
+* 2024-11-26     hywing       the first version.
+*/
+
+#ifndef DRV_HWTIMER_H__
+#define DRV_HWTIMER_H__
+
+int rt_hw_hwtimer_init(void);
+
+#endif /* __DRV_HWTIMER_H__ */
+

+ 3 - 7
bsp/nxp/mcx/mcxa/frdm-mcxa153/board/Kconfig

@@ -103,7 +103,7 @@ menu "On-chip Peripheral Drivers"
 
     menuconfig BSP_USING_HWTIMER
         config BSP_USING_HWTIMER
-            bool "Enable Timer"
+            bool "Enable Hardware Timer"
             select RT_USING_HWTIMER
             default y
 
@@ -116,12 +116,8 @@ menu "On-chip Peripheral Drivers"
                     bool "Enable CIMER1"
                     default n
 
-                config BSP_USING_CTIMER3
-                    bool "Enable CIMER3"
-                    default n
-
-                config BSP_USING_CTIMER4
-                    bool "Enable CIMER4"
+                config BSP_USING_CTIMER2
+                    bool "Enable CIMER2"
                     default n
             endif
 

+ 4 - 0
bsp/nxp/mcx/mcxa/frdm-mcxa153/board/MCUX_Config/board/pin_mux.c

@@ -44,8 +44,12 @@ void BOARD_InitPins(void)
     CLOCK_EnableClock(kCLOCK_GateGPIO2);
     CLOCK_EnableClock(kCLOCK_GateGPIO3);
 
+    CLOCK_SetClockDiv(kCLOCK_DivCTIMER0, 1u);
+    CLOCK_AttachClk(kFRO_HF_to_CTIMER0);
     CLOCK_SetClockDiv(kCLOCK_DivCTIMER1, 1u);
     CLOCK_AttachClk(kFRO_HF_to_CTIMER1);
+    CLOCK_SetClockDiv(kCLOCK_DivCTIMER2, 1u);
+    CLOCK_AttachClk(kFRO_HF_to_CTIMER2);
 
     RESET_ReleasePeripheralReset(kLPUART0_RST_SHIFT_RSTn);
     RESET_ReleasePeripheralReset(kLPUART1_RST_SHIFT_RSTn);