[bsp/es32f0654] add hwtimer driver

bsp/es32f0654/.config

@@ -346,6 +346,14 @@ CONFIG_BSP_USING_UART2=y
 # CONFIG_BSP_USING_PWM2 is not set
 # CONFIG_BSP_USING_PWM3 is not set
 
+#
+# HWtimer Drivers
+#
+# CONFIG_BSP_USING_HWTIMER0 is not set
+# CONFIG_BSP_USING_HWTIMER1 is not set
+# CONFIG_BSP_USING_HWTIMER2 is not set
+# CONFIG_BSP_USING_HWTIMER3 is not set
+
 #
 # Onboard Peripheral Drivers
 #

bsp/es32f0654/README.md

@@ -35,14 +35,17 @@ ES-PDS-ES32F0654-V1.1
 | **板载外设**      | **支持情况** | **备注**                             |
 | :---------------- | :----------: | :------------------------------------|
 | SPI FLASH         |     支持     | SPI0                                 |
-
 | **片上外设**      | **支持情况** | **备注**                             |
-| :---------------- | :----------: | :------------------------------------|
 | GPIO              |     支持     | 54 GPIOs                             |
 | UART              |     支持     | UART0/1/2/3                          |
 | SPI               |     支持     | SPI0/1                               |
 | I2C               |     支持     | I2C0/1                               |
 | PWM               |     支持     | PWM0/1/2/3                           |
+| TIMER             |     支持     | TIMER0/1/2/3                         |
+
+### 1.2  注意事项
+
+- 本BSP中，UART2和TIMER1不能同时使用，UART3和TIMER2不能同时使用
 
 更多详细信息请咨询[上海东软载波微电子技术支持](http://www.essemi.com/)
 

bsp/es32f0654/drivers/Kconfig

@@ -21,11 +21,13 @@ menu "Hardware Drivers Config"
                 bool "Enable UART2 PC12/PD02(T/R)"
                 select RT_USING_SERIAL
                 default y
+                depends on !BSP_USING_HWTIMER1
 
             config BSP_USING_UART3
                 bool "Enable UART3 PC04/PC05(T/R)"
                 select RT_USING_SERIAL
                 default n
+                depends on !BSP_USING_HWTIMER2
         endmenu
 
         menu "SPI Drivers"
@@ -47,6 +49,7 @@ menu "Hardware Drivers Config"
                 bool "Enable I2C0 BUS PB08/PB09(SCL/SDA)"
                 select RT_USING_I2C
                 default n
+
             config BSP_USING_I2C1
                 bool "Enable I2C1 BUS PB10/PB11(SCL/SDA)"
                 select RT_USING_I2C
@@ -74,6 +77,31 @@ menu "Hardware Drivers Config"
                 select RT_USING_PWM
                 default n
         endmenu
+
+        menu "HWtimer Drivers"
+            config BSP_USING_HWTIMER0
+                bool "Using timer0"
+                select RT_USING_HWTIMER
+                default n
+
+            config BSP_USING_HWTIMER1
+                bool "Using timer1"
+                select RT_USING_HWTIMER
+                default n
+                depends on !BSP_USING_UART2
+
+            config BSP_USING_HWTIMER2
+                bool "Using timer2"
+                select RT_USING_HWTIMER
+                default n
+                depends on !BSP_USING_UART3
+
+            config BSP_USING_HWTIMER3
+                bool "Using timer3"
+                select RT_USING_HWTIMER
+                default n
+        endmenu
+
     endmenu
 
     menu "Onboard Peripheral Drivers"

bsp/es32f0654/drivers/SConscript

@@ -31,6 +31,10 @@ if GetDepend('BSP_USING_SPI_FLASH'):
 if GetDepend('BSP_USING_PWM0') or GetDepend('BSP_USING_PWM1') or GetDepend('BSP_USING_PWM2') or GetDepend('BSP_USING_PWM3'):
     src += ['drv_pwm.c']
 
+# add hwtimer driver code
+if GetDepend('BSP_USING_HWTIMER0') or GetDepend('BSP_USING_HWTIMER1') or GetDepend('BSP_USING_HWTIMER2') or GetDepend('BSP_USING_HWTIMER3'):
+    src += ['drv_hwtimer.c']
+
 CPPPATH = [cwd]
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
 

bsp/es32f0654/drivers/drv_hwtimer.c

@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-3-19      wangyq       the first version
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <drv_hwtimer.h>
+#include <board.h>
+#include <ald_cmu.h>
+#include <ald_timer.h>
+
+#ifdef RT_USING_HWTIMER
+
+struct es32f0_hwtimer_dev
+{
+    rt_hwtimer_t parent;
+    timer_handle_t *hwtimer_periph;
+    IRQn_Type IRQn;
+};
+
+#ifdef BSP_USING_HWTIMER0
+static struct es32f0_hwtimer_dev hwtimer0;
+
+void BS16T0_Handler(void)
+{
+    timer_clear_flag_status(hwtimer0.hwtimer_periph, TIMER_FLAG_UPDATE);
+    rt_device_hwtimer_isr(&hwtimer0.parent);
+
+    if (HWTIMER_MODE_ONESHOT == hwtimer0.parent.mode)
+    {
+        timer_base_stop(hwtimer0.hwtimer_periph);
+    }
+}
+#endif
+
+#ifdef BSP_USING_HWTIMER1
+static struct es32f0_hwtimer_dev hwtimer1;
+/* can not use when UART2 Handler is enabled */
+void BS16T1_UART2_Handler(void)
+{
+    /* if BS16T1 it */
+    if (timer_get_it_status(hwtimer1.hwtimer_periph, TIMER_IT_UPDATE) &&
+            timer_get_flag_status(hwtimer1.hwtimer_periph, TIMER_FLAG_UPDATE))
+    {
+        timer_clear_flag_status(hwtimer1.hwtimer_periph, TIMER_FLAG_UPDATE);
+        rt_device_hwtimer_isr(&hwtimer1.parent);
+
+        if (HWTIMER_MODE_ONESHOT == hwtimer1.parent.mode)
+        {
+            timer_base_stop(hwtimer1.hwtimer_periph);
+        }
+    }
+}
+#endif
+
+#ifdef BSP_USING_HWTIMER2
+static struct es32f0_hwtimer_dev hwtimer2;
+/* can not use when UART3 Handler is enabled */
+void BS16T2_UART3_Handler(void)
+{
+    /* if BS16T2 it */
+    if (timer_get_it_status(hwtimer2.hwtimer_periph, TIMER_IT_UPDATE) &&
+            timer_get_flag_status(hwtimer2.hwtimer_periph, TIMER_FLAG_UPDATE))
+    {
+        timer_clear_flag_status(hwtimer2.hwtimer_periph, TIMER_FLAG_UPDATE);
+        rt_device_hwtimer_isr(&hwtimer2.parent);
+
+        if (HWTIMER_MODE_ONESHOT == hwtimer2.parent.mode)
+        {
+            timer_base_stop(hwtimer2.hwtimer_periph);
+        }
+    }
+}
+#endif
+
+#ifdef BSP_USING_HWTIMER3
+static struct es32f0_hwtimer_dev hwtimer3;
+/* can not use when DAC0 Handler is enabled */
+void BS16T3_DAC0_Handler(void)
+{
+    /* if BS16T3 it */
+    if (timer_get_it_status(hwtimer3.hwtimer_periph, TIMER_IT_UPDATE) &&
+            timer_get_flag_status(hwtimer3.hwtimer_periph, TIMER_FLAG_UPDATE))
+    {
+        timer_clear_flag_status(hwtimer3.hwtimer_periph, TIMER_FLAG_UPDATE);
+        rt_device_hwtimer_isr(&hwtimer3.parent);
+
+        if (HWTIMER_MODE_ONESHOT == hwtimer3.parent.mode)
+        {
+            timer_base_stop(hwtimer3.hwtimer_periph);
+        }
+    }
+}
+#endif
+
+static struct rt_hwtimer_info es32f0_hwtimer_info =
+{
+    48000000, /* maximum count frequency */
+    1,        /* minimum count frequency */
+    65535,    /* counter maximum value */
+    HWTIMER_CNTMODE_UP
+};
+
+static void es32f0_hwtimer_init(rt_hwtimer_t *timer, rt_uint32_t state)
+{
+    struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    if (1 == state)
+    {
+        timer_base_init(hwtimer->hwtimer_periph);
+        timer_interrupt_config(hwtimer->hwtimer_periph, TIMER_IT_UPDATE, ENABLE);
+        NVIC_EnableIRQ(hwtimer->IRQn);
+    }
+    hwtimer->parent.freq = cmu_get_pclk1_clock();
+    es32f0_hwtimer_info.maxfreq = cmu_get_pclk1_clock();
+    es32f0_hwtimer_info.minfreq = cmu_get_pclk1_clock();
+}
+
+static rt_err_t es32f0_hwtimer_start(rt_hwtimer_t *timer,
+                                     rt_uint32_t cnt,
+                                     rt_hwtimer_mode_t mode)
+{
+    struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    WRITE_REG(hwtimer->hwtimer_periph->perh->AR, cnt);
+    timer_base_start(hwtimer->hwtimer_periph);
+
+    return RT_EOK;
+}
+
+static void es32f0_hwtimer_stop(rt_hwtimer_t *timer)
+{
+    struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    timer_base_stop(hwtimer->hwtimer_periph);
+}
+
+static rt_uint32_t es32f0_hwtimer_count_get(rt_hwtimer_t *timer)
+{
+    struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
+    uint32_t hwtimer_count = 0;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    hwtimer_count = READ_REG(hwtimer->hwtimer_periph->perh->COUNT);
+
+    return hwtimer_count;
+}
+
+static rt_err_t es32f0_hwtimer_control(rt_hwtimer_t *timer,
+                                       rt_uint32_t cmd,
+                                       void *args)
+{
+    rt_err_t ret = RT_EOK;
+    rt_uint32_t freq = 0;
+    struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    switch (cmd)
+    {
+    case HWTIMER_CTRL_FREQ_SET:
+        freq = *(rt_uint32_t *)args;
+        if (freq != cmu_get_pclk1_clock())
+        {
+            ret = -RT_ERROR;
+        }
+        break;
+
+    case HWTIMER_CTRL_STOP:
+        timer_base_stop(hwtimer->hwtimer_periph);
+        break;
+
+    default:
+        ret = RT_EINVAL;
+        break;
+    }
+
+    return ret;
+}
+
+static struct rt_hwtimer_ops es32f0_hwtimer_ops =
+{
+    es32f0_hwtimer_init,
+    es32f0_hwtimer_start,
+    es32f0_hwtimer_stop,
+    es32f0_hwtimer_count_get,
+    es32f0_hwtimer_control
+};
+
+int rt_hw_hwtimer_init(void)
+{
+    rt_err_t ret = RT_EOK;
+
+#ifdef BSP_USING_HWTIMER0
+    static timer_handle_t _hwtimer_periph0;
+    _hwtimer_periph0.perh = BS16T0;
+    hwtimer0.IRQn = BS16T0_IRQn;
+    hwtimer0.hwtimer_periph = &_hwtimer_periph0;
+    hwtimer0.parent.info = &es32f0_hwtimer_info;
+    hwtimer0.parent.ops = &es32f0_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer0.parent, "timer0", &hwtimer0);
+#endif
+
+#ifdef BSP_USING_HWTIMER1
+    static timer_handle_t _hwtimer_periph1;
+    _hwtimer_periph1.perh = BS16T1;
+    hwtimer1.IRQn = BS16T1_UART2_IRQn;
+    hwtimer1.hwtimer_periph = &_hwtimer_periph1;
+    hwtimer1.parent.info = &es32f0_hwtimer_info;
+    hwtimer1.parent.ops = &es32f0_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer1.parent, "timer1", &hwtimer1);
+#endif
+
+#ifdef BSP_USING_HWTIMER2
+    static timer_handle_t _hwtimer_periph2;
+    _hwtimer_periph2.perh = BS16T2;
+    hwtimer2.IRQn = BS16T2_UART3_IRQn;
+    hwtimer2.hwtimer_periph = &_hwtimer_periph2;
+    hwtimer2.parent.info = &es32f0_hwtimer_info;
+    hwtimer2.parent.ops = &es32f0_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer2.parent, "timer2", &hwtimer2);
+#endif
+
+#ifdef BSP_USING_HWTIMER3
+    static timer_handle_t _hwtimer_periph3;
+    _hwtimer_periph3.perh = BS16T3;
+    hwtimer3.IRQn = BS16T3_DAC0_IRQn;
+    hwtimer3.hwtimer_periph = &_hwtimer_periph3;
+    hwtimer3.parent.info = &es32f0_hwtimer_info;
+    hwtimer3.parent.ops = &es32f0_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer3.parent, "timer3", &hwtimer3);
+#endif
+
+    return ret;
+}
+INIT_BOARD_EXPORT(rt_hw_hwtimer_init);
+
+#endif

bsp/es32f0654/drivers/drv_hwtimer.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-3-19      wangyq       the first version
+ */
+
+#ifndef DRV_HWTIMER_H__
+#define DRV_HWTIMER_H__
+
+int rt_hw_hwtimer_init(void);
+
+#endif

bsp/es32f0654/drivers/drv_pwm.c

@@ -19,7 +19,7 @@
 static void pwm_set_freq(timer_handle_t *timer_initstruct, uint32_t ns)
 {
     uint64_t _arr = (uint64_t)cmu_get_pclk1_clock() * ns / 1000000000 /
-                    (timer_initstruct->init.prescaler + 1) - 1;
+                    (timer_initstruct->init.prescaler + 1);
 
     WRITE_REG(timer_initstruct->perh->AR, (uint32_t)_arr);
     timer_initstruct->init.period   = (uint32_t)_arr;
@@ -28,7 +28,7 @@ static void pwm_set_freq(timer_handle_t *timer_initstruct, uint32_t ns)
 static void pwm_set_duty(timer_handle_t *timer_initstruct, timer_channel_t ch, uint32_t ns)
 {
     uint64_t tmp = (uint64_t)cmu_get_pclk1_clock() * ns / 1000000000 /
-                   (timer_initstruct->init.prescaler + 1) - 1;
+                   (timer_initstruct->init.prescaler + 1);
 
     if (ch == TIMER_CHANNEL_1)
         WRITE_REG(timer_initstruct->perh->CCVAL1, (uint32_t)tmp);
@@ -38,10 +38,6 @@ static void pwm_set_duty(timer_handle_t *timer_initstruct, timer_channel_t ch, u
         WRITE_REG(timer_initstruct->perh->CCVAL3, (uint32_t)tmp);
     else if (ch == TIMER_CHANNEL_4)
         WRITE_REG(timer_initstruct->perh->CCVAL4, (uint32_t)tmp);
-    else
-    {
-        ;/* do nothing */
-    }
 }
 
 static rt_err_t es32f0_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)

bsp/es32f0654/rtconfig.h

@@ -172,6 +172,9 @@
 /* PWM Drivers */
 
 
+/* HWtimer Drivers */
+
+
 /* Onboard Peripheral Drivers */