加一个风扇，状态选择，mqtt接收，暴力反复连接mqtt

.vscode/settings.json

@@ -33,7 +33,8 @@
         "at.h": "c",
         "ADC.C": "cpp",
         "PM2.5.C": "cpp",
-        "sensor.h": "c"
+        "sensor.h": "c",
+        "status.h": "c"
     },
     // "cortex-debug.openocdPath": "d:/Develop/"
 }

README.md

@@ -6,6 +6,9 @@ ADC传感器
 PA1 pm25
 PA5 空气质量
 PA6 压力
+风扇
+PA8
+PB2
 
 # 红外遥控贪吃蛇/显示+上传温度等数据
 

applications/assistant.c

@@ -8,6 +8,7 @@
 
 #include <rtthread.h>
 #include <rtdevice.h>
+#include "status.h"
 
 #define SAMPLE_UART_NAME "uart3" /* 串口设备名称 */
 
@@ -51,7 +52,29 @@ static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
     }
     return result;
 }
-
+void assist_control(char *rx_buffer)
+{
+    if (rt_strstr(rx_buffer, "cc")!=RT_NULL)
+    {
+        fan_on();
+        rt_kprintf("加大抽风\n");
+    }
+    else if (rt_strstr(rx_buffer, "dd")!=RT_NULL)
+    {
+        fan_off();
+        rt_kprintf("关闭抽风\n");
+    }
+    else if (rt_strstr(rx_buffer, "ee")!=RT_NULL)
+    {
+        light_on();
+        rt_kprintf("开灯\n");
+    }
+    else if (rt_strstr(rx_buffer, "ff")!=RT_NULL)
+    {
+        light_off();
+        rt_kprintf("关灯\n");
+    }
+}
 static void serial_thread_entry(void *parameter)
 {
     struct rx_msg msg;
@@ -69,23 +92,7 @@ static void serial_thread_entry(void *parameter)
             /* 从串口读取数据 */
             rx_length = rt_device_read(msg.dev, 0, rx_buffer, msg.size);
             rx_buffer[rx_length] = '\0';
-            if(!rt_strcasecmp(rx_buffer, "cc"))
+            assist_control(rx_buffer);
-            {
-                rt_kprintf("加大抽风\n");
-            }
-            else if(!rt_strcasecmp(rx_buffer, "dd"))
-            {
-                rt_kprintf("关闭抽风\n");
-
-            }
-            else if(!rt_strcasecmp(rx_buffer, "ee"))
-            {
-                rt_kprintf("开灯\n");
-            }
-            else if(!rt_strcasecmp(rx_buffer, "ff"))
-            {
-                rt_kprintf("关灯\n");
-            }
             /* 通过串口设备 serial 输出读取到的消息 */
             // rt_device_write(serial, 0, rx_buffer, rx_length);
             /* 打印数据 */
@@ -94,7 +101,6 @@ static void serial_thread_entry(void *parameter)
     }
 }
 
-
 void serial_send(char *str)
 {
     rt_device_write(serial, 0, str, (sizeof(str) - 1));

applications/assistant.h

@@ -1 +1,2 @@
 void serial_send(char *str);
+void assist_control(char *rx_buffer);

applications/motor.c

@@ -24,8 +24,13 @@
 
 
 struct rt_device_pwm *motor_dev; // pwm设备句柄
-rt_uint32_t period = 1000000000;   // 单位us   向左6位，变毫秒      1s
+rt_uint32_t period = 100000000;   // 单位us   向左6位，变毫秒      10s
-rt_uint32_t pulse = 1000000;
+// rt_uint32_t pulse = 1000000;
+
+
+
+#define PIN_MOTOR2 GET_PIN(B, 2) 
+int motor1=PIN_HIGH;
 
 
 /**
@@ -36,20 +41,16 @@ rt_uint32_t pulse = 1000000;
  */
 void motor_speed(int num)
 {
-    rt_pwm_set(motor_dev, MOTOR_PWM_DEV_CHANNEL, period, 100-(num * period / 100));
+    rt_pwm_set(motor_dev, MOTOR_PWM_DEV_CHANNEL, period, (100-num)/ 100 * period );
+    rt_pin_write(PIN_MOTOR2, num>0?PIN_LOW:PIN_HIGH);
 }
 
-#define PIN_MOTOR1 GET_PIN(B, 2) 
-int motor1=PIN_HIGH;
-
-
-
 
 
 int mot_init(void)
 {
-    // rt_pin_mode(PIN_MOTOR1, PIN_MODE_OUTPUT);
+    rt_pin_mode(PIN_MOTOR2, PIN_MODE_OUTPUT);
-    // rt_pin_write(PIN_MOTOR1, PIN_HIGH);
+    rt_pin_write(PIN_MOTOR2, PIN_HIGH);
     motor_dev = (struct rt_device_pwm *)rt_device_find(MOTOR_PWM_DEV_NAME);
     if (motor_dev == RT_NULL)
     {
@@ -57,7 +58,8 @@ int mot_init(void)
         return RT_ERROR;
     }
     /* 设置PWM周期和脉冲宽度默认值 */
-    motor_speed(100);
+    motor_speed(0);
+    rt_pwm_enable(motor_dev, MOTOR_PWM_DEV_CHANNEL);
     LOG1("motor init success!");
 }
 void motor_set(int argc, char **argv)

applications/myproject.c

@@ -17,6 +17,7 @@
 #include "my_func.h"
 #include "indicator_led.h"
 #include "sensor.h"
+#include "assistant.h" 
 #define THREAD_PRIORITY 25
 #define THREAD_STACK_SIZE 4096
 #define THREAD_TIMESLICE 5
@@ -119,6 +120,12 @@ static void example_message_arrive(void *pcontext, void *pclient, iotx_mqtt_even
         EXAMPLE_TRACE("Topic  : %.*s", topic_info->topic_len, topic_info->ptopic);
         EXAMPLE_TRACE("Payload: %.*s", topic_info->payload_len, topic_info->payload);
         EXAMPLE_TRACE("\n");
+
+        // topic_info->payload[strlen(topic_info->payload)] = '\0';
+        char str_tmp[32];
+        rt_strncpy(str_tmp, topic_info->payload, topic_info->payload_len);
+        str_tmp[topic_info->payload_len] = '\0';
+        assist_control(str_tmp);
         break;
     default:
         break;
@@ -172,9 +179,12 @@ void show_lcd()
 {
     lcd_y = 10;
     easy_show_lcd("Temperature:", Temp);
-    easy_show_lcd("Humidity:", Humi);
+    // easy_show_lcd("Humidity:", Humi);
-    easy_show_lcd("Brightness:(lux)", brightness);
+    // easy_show_lcd("Brightness:(lux)", brightness);
-    easy_show_lcd("Ps data:", (float)ps_data);
+    // easy_show_lcd("Ps data:", (float)ps_data);
+    easy_show_lcd("Air quality:", ADC_air);
+    easy_show_lcd("PM2.5:", ADC_PM25);
+    easy_show_lcd("Pressure:",ADC_pressure);
     // lcd_show_string(10, plus_lcd_y(10), 24, "Temperature:");
     // rt_sprintf(tmp, "%f", Temp);
     // lcd_show_string(10, plus_lcd_y(24), 32, tmp);
@@ -394,7 +404,6 @@ static void mqtt_example_main(void *parameter)
     res = example_subscribe(pclient);
     if (res < 0)
     {
-        wlan_connected = RT_FALSE;
         IOT_MQTT_Destroy(&pclient);
         return;
     }
@@ -436,33 +445,35 @@ void wlan_connect_thread(void *parameter)
 {
     (void *)parameter;
     wlan_connected=RT_FALSE;
-    // rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD);
+    rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD);
-    while(rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD)!= RT_EOK)
+    rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD);
-    {
+    // while(rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD)!= RT_EOK)
-        rt_thread_mdelay(2000);
+    // {
-    }
+    //     rt_thread_mdelay(2000);
+    // }
     rt_wlan_config_autoreconnect(RT_TRUE);
     while (1)
     {
         if (rt_wlan_is_connected() == RT_TRUE)
         {
-            if(!wlan_connected)
+            // if(!wlan_connected)
             {
                 wlan_connected = RT_TRUE;
-                rt_thread_mdelay(10000);
+                // rt_wlan_connect(WLAN_NAME,WLAN_PASSWORD);
+                rt_thread_mdelay(5000);
                 mqt_init();
             }
         }
-        else
+        // else
-        {
+        // {
-            if(wlan_connected)
+        //     if(wlan_connected)
-            {
+        //     {
-                wlan_connected = RT_FALSE;
+        //         wlan_connected = RT_FALSE;
-                IOT_MQTT_Destroy(&pclient);
+        //         IOT_MQTT_Destroy(&pclient);
-                rt_thread_delete(MQTT_Thread);
+        //         rt_thread_delete(MQTT_Thread);
-            }
+        //     }
-        }    
+        // }    
-        rt_thread_mdelay(500);
+        rt_thread_mdelay(5000);
     }
 }
 // /* 用于接收消息的信号量 */

applications/sensor.c

@@ -169,7 +169,7 @@ static void sensor_thread(void *parameter)
         warning_range("air", ADC_air, 0, 4095);
         warning_range("PM25", ADC_PM25, 0, 500);
         warning_range("pressure", ADC_pressure, 0, 4095);
-        rt_thread_mdelay(1000);
+        rt_thread_mdelay(2000);
     }
 }
 void sensor_init(void)

applications/status.c

@@ -45,7 +45,7 @@ void fan_on(void)
 void fan_off(void)
 {
     LOG3("fan off!");
-    motor_speed(20);
+    motor_speed(0);
 }
 
 void light_on(void)
@@ -59,5 +59,5 @@ void light_off(void)
 {
     LOG3("light off!");
     rt_pin_mode(PIN_LED_B, PIN_MODE_OUTPUT);
-    rt_pin_write(PIN_LED_B, PIN_LOW);
+    rt_pin_write(PIN_LED_B, PIN_HIGH);
 }

applications/status.h

@@ -1 +1,5 @@
 void danger_status(void);
+void fan_on(void);
+void fan_off(void);
+void light_on(void);
+void light_off(void);