[bsp][bouffalo] add pwm & rtc & wdt devices (#7122)

Author: WCX1024979076

bsp/bouffalo_lab/bl808/m0/.config

@@ -84,7 +84,9 @@ CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart0"
 CONFIG_RT_VER_NUM=0x50000
+# CONFIG_RT_USING_STDC_ATOMIC is not set
 # CONFIG_RT_USING_CACHE is not set
+# CONFIG_RT_USING_HW_ATOMIC is not set
 # CONFIG_ARCH_ARM_BOOTWITH_FLUSH_CACHE is not set
 # CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
 # CONFIG_RT_USING_CPU_FFS is not set
@@ -141,15 +143,17 @@ CONFIG_RT_USING_PIN=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_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_FDT is not set
-# CONFIG_RT_USING_RTC is not set
+CONFIG_RT_USING_RTC=y
+# CONFIG_RT_USING_ALARM is not set
+# CONFIG_RT_USING_SOFT_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
-# CONFIG_RT_USING_WDT is not set
+CONFIG_RT_USING_WDT=y
 # CONFIG_RT_USING_AUDIO is not set
 # CONFIG_RT_USING_SENSOR is not set
 # CONFIG_RT_USING_TOUCH is not set
@@ -912,7 +916,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # Display
 #
 # CONFIG_PKG_USING_ARDUINO_U8G2 is not set
-# CONFIG_PKG_USING_ARDUINO_U8GLIB_ARDUINO is not set
 # CONFIG_PKG_USING_SEEED_TM1637 is not set
 
 #
@@ -942,17 +945,10 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_PCF8574 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_PCA9685 is not set
 # CONFIG_PKG_USING_ARDUINO_SEEED_PCF85063TP is not set
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_TPA2016 is not set
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_DRV2605 is not set
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_DS1841 is not set
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_DS3502 is not set
 
 #
 # Other
 #
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_MFRC630 is not set
-# CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SI5351 is not set
-# CONFIG_PKG_USING_ARDUINO_RTCLIB is not set
 
 #
 # Signal IO
@@ -976,7 +972,7 @@ CONFIG_BL808_CORE_M0=y
 #
 # General Drivers Configuration
 #
-# CONFIG_BSP_USING_GPIO is not set
+CONFIG_BSP_USING_GPIO=y
 
 #
 # General Purpose UARTs
@@ -989,3 +985,8 @@ CONFIG_UART0_TX_USING_GPIO14=y
 CONFIG_UART0_RX_USING_GPIO15=y
 # CONFIG_UART0_RX_USING_GPIO22 is not set
 # CONFIG_UART0_RX_USING_GPIO23 is not set
+# CONFIG_BSP_USING_UART1 is not set
+# CONFIG_BSP_USING_UART2 is not set
+# CONFIG_BSP_USING_RTC is not set
+# CONFIG_BSP_USING_WDT is not set
+# CONFIG_BSP_USING_PWM is not set

bsp/bouffalo_lab/bl808/m0/applications/pwm_led_sample.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author         Notes
+ * 2023-3-27     wcx1024979076   first version.
+ */
+/*
+ * 程序清单：这是一个 PWM 设备使用例程
+ * 例程导出了 pwm_led_sample 命令到控制终端
+ * 命令调用格式：pwm_led_sample
+ * 程序功能：通过 PWM 设备控制 LED 灯的亮度，可以看到LED不停的由暗变到亮，然后又从亮变到暗。
+*/
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#ifdef RT_USING_PWM
+
+#define LED_PIN_NUM          8     /* LED PIN脚编号，查看驱动文件drv_gpio.c确定 */
+#define PWM_DEV_NAME        "pwm"  /* PWM设备名称 */
+#define PWM_DEV_CHANNEL      0       /* PWM通道 */
+struct rt_device_pwm *pwm_dev;      /* PWM设备句柄 */
+static int pwm_led_sample(int argc, char *argv[])
+{
+    rt_uint32_t period, pulse, dir;
+    period = 500000;    /* 周期为0.5ms，单位为纳秒ns */
+    dir = 1;            /* PWM脉冲宽度值的增减方向 */
+    pulse = 0;          /* PWM脉冲宽度值，单位为纳秒ns */
+
+    /* 查找设备 */
+    pwm_dev = (struct rt_device_pwm *)rt_device_find(PWM_DEV_NAME);
+    if (pwm_dev == RT_NULL)
+    {
+        rt_kprintf("pwm sample run failed! can't find %s device!\n", PWM_DEV_NAME);
+        return -RT_ERROR;
+    }
+    /* 设置PWM周期和脉冲宽度默认值 */
+    rt_pwm_set(pwm_dev, PWM_DEV_CHANNEL, period, pulse);
+    /* 使能设备 */
+    rt_pwm_enable(pwm_dev, PWM_DEV_CHANNEL);
+
+    while (1)
+    {
+        rt_thread_mdelay(50);
+        if (dir)
+        {
+            pulse += 400000;      /* 从0值开始每次增加5000ns */
+        }
+        else
+        {
+            pulse -= 400000;      /* 从最大值开始每次减少5000ns */
+        }
+        if (pulse >= period)
+        {
+            dir = 0;
+        }
+        if (0 == pulse)
+        {
+            dir = 1;
+        }
+        /* 设置PWM周期和脉冲宽度 */
+        rt_pwm_set(pwm_dev, PWM_DEV_CHANNEL, period, pulse);
+    }
+}
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(pwm_led_sample, pwm sample);
+
+#endif   /* RT_USING_PWM */

bsp/bouffalo_lab/bl808/m0/applications/wdt_sample.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author         Notes
+ * 2023-3-27     wcx1024979076  first version.
+ */
+/*
+ * 程序清单：这是一个独立看门狗设备使用例程
+ * 例程导出了 wdt_sample 命令到控制终端
+ * 命令调用格式：wdt_sample wdt
+ * 命令解释：命令第二个参数是要使用的看门狗设备名称，为空则使用例程默认的看门狗设备。
+ * 程序功能：程序通过设备名称查找看门狗设备，然后初始化设备并设置看门狗设备溢出时间。
+ *           然后设置空闲线程回调函数，在回调函数里会喂狗。
+*/
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#ifdef RT_USING_WDT
+
+#define WDT_DEVICE_NAME    "wdt"    /* 看门狗设备名称 */
+
+static rt_device_t wdg_dev;         /* 看门狗设备句柄 */
+
+static void idle_hook(void)
+{
+    /* 在空闲线程的回调函数里喂狗 */
+    rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, NULL);
+    rt_kprintf("feed the dog!\n ");
+}
+
+static int wdt_sample(int argc, char *argv[])
+{
+    rt_err_t ret = RT_EOK;
+    rt_uint32_t timeout = 1;        /* 溢出时间，单位：秒 */
+    char device_name[RT_NAME_MAX];
+
+    /* 判断命令行参数是否给定了设备名称 */
+    if (argc == 2)
+    {
+        rt_strncpy(device_name, argv[1], RT_NAME_MAX);
+    }
+    else
+    {
+        rt_strncpy(device_name, WDT_DEVICE_NAME, RT_NAME_MAX);
+    }
+    /* 根据设备名称查找看门狗设备，获取设备句柄 */
+    wdg_dev = rt_device_find(device_name);
+    if (!wdg_dev)
+    {
+        rt_kprintf("find %s failed!\n", device_name);
+        return -RT_ERROR;
+    }
+    /* 初始化设备 */
+    rt_device_init(wdg_dev);
+
+    /* 设置看门狗溢出时间 */
+    ret = rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &timeout);
+    if (ret != RT_EOK)
+    {
+        rt_kprintf("set %s timeout failed!\n", device_name);
+        return -RT_ERROR;
+    }
+
+    /* 启动看门狗 */
+    ret = rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL);
+    if (ret != RT_EOK)
+    {
+        rt_kprintf("start %s failed!\n", device_name);
+        return -RT_ERROR;
+    }
+    /* 设置空闲线程回调函数 */
+    rt_thread_idle_sethook(idle_hook);
+    return ret;
+}
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(wdt_sample, wdt sample);
+
+#endif  /* RT_USING_WDT */

bsp/bouffalo_lab/bl808/m0/rtconfig.h

@@ -83,7 +83,6 @@
 #define RT_SERIAL_USING_DMA
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
-
 /* Using USB */
 
 
@@ -219,7 +218,6 @@
 
 /* Other */
 
-
 /* Signal IO */
 
 
@@ -230,6 +228,7 @@
 
 /* General Drivers Configuration */
 
+#define BSP_USING_GPIO
 
 /* General Purpose UARTs */
 

bsp/bouffalo_lab/libraries/rt_drivers/Kconfig

@@ -121,5 +121,37 @@ menu "General Drivers Configuration"
 
     endmenu
 
+    menuconfig BSP_USING_RTC
+        bool "Enable RTC"
+        select RT_USING_RTC
+        default n
+
+    config BSP_USING_WDT
+        bool "Enable Watchdog Timer"
+        select RT_USING_WDT
+        default n
+
+    menuconfig BSP_USING_PWM
+        bool "Enable PWM"
+        default n
+        select RT_USING_PWM
+        if BSP_USING_PWM
+            config BSP_USING_PWM0
+                bool "Enable PWM0"
+                default n
+
+            config BSP_USING_PWM1
+                bool "Enable PWM1"
+                default n
+
+            config BSP_USING_PWM2
+                bool "Enable PWM2"
+                default n
+
+            config BSP_USING_PWM3
+                bool "Enable PWM3"
+                default n
+        endif
+
 endmenu
 

bsp/bouffalo_lab/libraries/rt_drivers/SConscript

@@ -12,6 +12,15 @@ if GetDepend('BSP_USING_GPIO'):
 if  GetDepend('BSP_USING_I2C'):
     src += ['drv_i2c.c']
 
+if GetDepend('BSP_USING_RTC'):
+    src += ['drv_rtc.c']
+
+if GetDepend('RT_USING_PWM'):
+    src += ['drv_pwm.c']
+
+if GetDepend('RT_USING_WDT'):
+    src += ['drv_wdt.c']
+
 group = DefineGroup('rt_drivers', src, depend = [''], CPPPATH = CPPPATH)
 
 objs = [group]