feat(bsp/gd32): 添加PWM和更多硬件定时器支持

- 在Kconfig中添加BSP_USING_PWM和BSP_USING_HWTIMER配置项
- 修正PWM时钟获取逻辑，使其能正确得到APB1/APB2上的定时器时钟源频率，添加在pwm结构体通道引脚资源配置项
- 修改硬件定时器初始化逻辑，修正定时器中断处理函数，适配GD32F4xx系列
- 在main.c中添加hwtimer_test和pwm_test测试函数
- 修复PWM和硬件定时器的依赖关系配置

Author: ShiHongChao

bsp/gd32/arm/gd32405rg/.config

@@ -254,7 +254,7 @@ CONFIG_RT_USING_I2C_BITOPS=y
 # CONFIG_RT_USING_NULL is not set
 # CONFIG_RT_USING_ZERO is not set
 # CONFIG_RT_USING_RANDOM is not set
-# CONFIG_RT_USING_PWM is not set
+CONFIG_RT_USING_PWM=y
 # CONFIG_RT_USING_PULSE_ENCODER is not set
 # CONFIG_RT_USING_INPUT_CAPTURE is not set
 # CONFIG_RT_USING_MTD_NOR is not set
@@ -274,7 +274,7 @@ CONFIG_RT_USING_I2C_BITOPS=y
 # CONFIG_RT_USING_VIRTIO is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_KTIME is not set
-# CONFIG_RT_USING_HWTIMER is not set
+CONFIG_RT_USING_HWTIMER=y
 # CONFIG_RT_USING_CHERRYUSB is not set
 # end of Device Drivers
 
@@ -1442,7 +1442,20 @@ CONFIG_BSP_USING_UART0=y
 # CONFIG_BSP_USING_UART5 is not set
 # CONFIG_BSP_USING_SPI is not set
 # CONFIG_BSP_USING_ADC is not set
-# CONFIG_BSP_USING_TIM is not set
+# CONFIG_BSP_USING_HWTIMER is not set
+CONFIG_BSP_USING_PWM=y
+CONFIG_BSP_USING_PWM0=y
+CONFIG_BSP_USING_PWM1=y
+CONFIG_BSP_USING_PWM2=y
+CONFIG_BSP_USING_PWM3=y
+CONFIG_BSP_USING_PWM4=y
+CONFIG_BSP_USING_PWM7=y
+CONFIG_BSP_USING_PWM8=y
+CONFIG_BSP_USING_PWM9=y
+CONFIG_BSP_USING_PWM10=y
+CONFIG_BSP_USING_PWM11=y
+CONFIG_BSP_USING_PWM12=y
+CONFIG_BSP_USING_PWM13=y
 # CONFIG_BSP_USING_ONCHIP_RTC is not set
 # CONFIG_BSP_USING_WDT is not set
 # CONFIG_BSP_USING_SDIO is not set

bsp/gd32/arm/gd32405rg/applications/main.c

@@ -33,3 +33,105 @@ int main(void)
 
     return RT_EOK;
 }
+
+#ifdef BSP_USING_HWTIMER
+/* hwtimer callback function */
+static rt_err_t hwtimer_test_cb(rt_device_t dev, rt_size_t size)
+{
+    rt_kprintf("this is hwtimer timeout callback fucntion!\n");
+    rt_kprintf("tick is :%d !\n", rt_tick_get());
+    
+    return 0;
+}
+
+#define HWTIMER_DEV_NAME "timer13"
+
+/* hwtimer test */
+static void hwtimer_test(void)
+{ 
+    rt_err_t ret = RT_EOK;
+    rt_hwtimerval_t timeout_s;      /* 定时器超时值 */
+    rt_device_t hw_dev = RT_NULL;   /* 定时器设备句柄 */
+    rt_hwtimer_mode_t mode;         /* 定时器模式 */
+    rt_uint32_t freq = 10000;               /* 计数频率 */
+
+    /* 查找定时器设备 */
+    hw_dev = rt_device_find(HWTIMER_DEV_NAME);
+    if (hw_dev == RT_NULL)
+    {
+        rt_kprintf("hwtimer sample run failed! can't find %s device!\n", HWTIMER_DEV_NAME);
+        return;
+    }
+
+    /* 以读写方式打开设备 */
+    ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
+    if (ret != RT_EOK)
+    {
+        rt_kprintf("open %s device failed!\n", HWTIMER_DEV_NAME);
+        return;
+    }
+
+    /* 设置超时回调函数 */
+    rt_device_set_rx_indicate(hw_dev, hwtimer_test_cb);
+    
+    /* 设置计数频率(若未设置该项，默认为1Mhz 或 支持的最小计数频率) */
+    rt_device_control(hw_dev, HWTIMER_CTRL_FREQ_SET, &freq);
+    /* 设置模式为周期性定时器（若未设置，默认是HWTIMER_MODE_ONESHOT）*/
+    mode = HWTIMER_MODE_PERIOD;
+    ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
+    if (ret != RT_EOK)
+    {
+        rt_kprintf("set mode failed! ret is :%d\n", ret);
+        return;
+    }
+    
+    /* 设置定时器超时值为5s并启动定时器 */
+    timeout_s.sec = 5;      /* 秒 */
+    timeout_s.usec = 0;     /* 微秒 */
+    if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
+    {
+        rt_kprintf("set timeout value failed\n");
+        return;
+    }
+}
+MSH_CMD_EXPORT(hwtimer_test, hwtimer test);
+#endif //BSP_USING_HWTIMER
+
+#ifdef BSP_USING_PWM
+
+/* pwm test */
+static void pwm_test(void)
+{
+    rt_err_t ret = RT_EOK;
+    struct rt_device_pwm *pwm2 = RT_NULL, *pwm8 = RT_NULL, *pwm1 = RT_NULL, *pwm4 = RT_NULL;
+    rt_uint32_t period = 1000;      /* 周期 */
+    rt_uint32_t pulse = 500;        /* 占空比 */
+
+    /* 查找PWM设备 */
+    pwm2 = (struct rt_device_pwm *)rt_device_find("pwm2");
+    if (pwm2 == RT_NULL)
+    {
+        rt_kprintf("pwm sample run failed! can't find %s device!\n", "pwm2");
+        return;
+    }
+    rt_pwm_set(pwm2, 3, period, pulse);
+    rt_pwm_enable(pwm2, 3);
+    rt_pwm_set(pwm2, 4, period, pulse);
+    rt_pwm_enable(pwm2, 4);
+
+    pwm8 = (struct rt_device_pwm *)rt_device_find("pwm8");
+    rt_pwm_set(pwm8, 2, period, pulse);
+    rt_pwm_enable(pwm8, 2);
+
+    pwm1 = (struct rt_device_pwm *)rt_device_find("pwm1");
+    rt_pwm_set(pwm1, 3, period, pulse);
+    rt_pwm_enable(pwm1, 3);
+
+    pwm4 = (struct rt_device_pwm *)rt_device_find("pwm4");
+    rt_pwm_set(pwm4, 1, period, pulse);
+    rt_pwm_enable(pwm4, 1);
+    rt_pwm_set(pwm4, 2, period, pulse);
+    rt_pwm_enable(pwm4, 2);
+}
+MSH_CMD_EXPORT(pwm_test, pwm test);
+#endif // BSP_USING_PWM

bsp/gd32/arm/gd32405rg/board/Kconfig

@@ -271,24 +271,134 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
-    menuconfig BSP_USING_TIM
+    menuconfig BSP_USING_HWTIMER
         bool "Enable timer"
         default n
         select RT_USING_HWTIMER
-        if BSP_USING_TIM
-            config BSP_USING_TIM10
+        if BSP_USING_HWTIMER
+            config BSP_USING_HWTIMER0
+                bool "Enable TIM0"
+                default n
+
+            config BSP_USING_HWTIMER1
+                bool "Enable TIM1"
+                default n
+
+            config BSP_USING_HWTIMER2
+                bool "Enable TIM2"
+                default n
+
+            config BSP_USING_HWTIMER3
+                bool "Enable TIM3"
+                default n
+
+            config BSP_USING_HWTIMER4
+                bool "Enable TIM4"
+                default n
+
+            config BSP_USING_HWTIMER5
+                bool "Enable TIM5"
+                default n
+
+            config BSP_USING_HWTIMER6
+                bool "Enable TIM6"
+                default y
+
+            config BSP_USING_HWTIMER7
+                bool "Enable TIM7"
+                default n
+
+            config BSP_USING_HWTIMER8
+                bool "Enable TIM8"
+                default n
+            
+            config BSP_USING_HWTIMER9
+                bool "Enable TIM9"
+                default n
+
+            config BSP_USING_HWTIMER10
                 bool "Enable TIM10"
                 default n
 
-            config BSP_USING_TIM11
+            config BSP_USING_HWTIMER11
                 bool "Enable TIM11"
                 default n
 
-            config BSP_USING_TIM12
+            config BSP_USING_HWTIMER12
+                bool "Enable TIM12"
+                default n
+
+            config BSP_USING_HWTIMER13
                 bool "Enable TIM13"
                 default n
         endif
 
+    menuconfig BSP_USING_PWM
+        bool "Enable pwm"
+        select RT_USING_PWM
+        default n
+        if BSP_USING_PWM
+            config BSP_USING_PWM0
+                bool "Enable PWM0"
+                depends on !BSP_USING_HWTIMER0
+                default n
+
+            config BSP_USING_PWM1
+                bool "Enable PWM1"
+                depends on !BSP_USING_HWTIMER1
+                default n
+            
+            config BSP_USING_PWM2
+                bool "Enable PWM2"
+                depends on !BSP_USING_HWTIMER2
+                default n
+            
+            config BSP_USING_PWM3
+                bool "Enable PWM3"
+                depends on !BSP_USING_HWTIMER3
+                default n
+
+            config BSP_USING_PWM4
+                bool "Enable PWM4"
+                depends on !BSP_USING_HWTIMER4
+                default n
+
+            config BSP_USING_PWM7
+                bool "Enable PWM7"
+                depends on !BSP_USING_HWTIMER7
+                default n
+
+            config BSP_USING_PWM8
+                bool "Enable PWM8"
+                depends on !BSP_USING_HWTIMER8
+                default n
+
+            config BSP_USING_PWM9
+                bool "Enable PWM9"
+                depends on !BSP_USING_HWTIMER9
+                default n
+
+            config BSP_USING_PWM10
+                bool "Enable PWM10"
+                depends on !BSP_USING_HWTIMER10
+                default n
+
+            config BSP_USING_PWM11
+                bool "Enable PWM11"
+                depends on !BSP_USING_HWTIMER11
+                default n
+
+            config BSP_USING_PWM12
+                bool "Enable PWM12"
+                depends on !BSP_USING_HWTIMER12
+                default n
+
+            config BSP_USING_PWM13
+                bool "Enable PWM13"
+                depends on !BSP_USING_HWTIMER13
+                default n
+        endif
+
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC