ahtx0温湿度到系统温湿度

applications/PLC_link.c

@@ -27,6 +27,8 @@ static const mb_backend_param_t mb_bkd_prm = {
     .rtu.lvl = 0            //控制发送电平
 };
 
+extern unsigned int sys_temperature;
+extern unsigned int sys_humidity;
 
 static void mb_plc_read_regs(mb_inst_t *hinst)
 {
@@ -37,9 +39,13 @@ static void mb_plc_read_regs(mb_inst_t *hinst)
     }
 
     u16 regs[64];
+
+    regs[0]=sys_temperature;
+    regs[1]=sys_humidity;
+
     int addr = 7000;
     int nb = 10;
-    int total = mb_read_input_regs(hinst, addr, nb, regs);
+    int total = mb_write_regs(hinst, addr, nb, regs);
     if (total <= 0)
     {
         return;

applications/data/Variable.c

@@ -3,6 +3,9 @@
 
 // ===== 实际定义 =====
 
+unsigned int sys_temperature;
+unsigned int sys_humidity;
+
 // 动态数据缓冲区（初始化为 NULL，后续分配）
 char *DATA_dat;
 char DATA_machins[3];

applications/drv/drv_aht20.c

@@ -134,7 +134,9 @@ static void aht20_parse_data(const rt_uint8_t raw[6], rt_int32_t *temp, rt_int32
 static void aht20_thread_entry(void *parameter)
 {
     rt_uint8_t raw_data[6];
-    rt_int32_t temperature, humidity;
+
+    extern unsigned int sys_temperature;
+    extern unsigned int sys_humidity;
 
     while (1)
     {
@@ -162,11 +164,7 @@ static void aht20_thread_entry(void *parameter)
             continue;
         }
 
-        aht20_parse_data(raw_data, &temperature, &humidity);
-
-        LOG_I("Temp: %d.%dC, Humidity: %d.%dRH",
-              temperature / 10, temperature % 10,
-              humidity / 10, humidity % 10);
+        aht20_parse_data(raw_data, &sys_temperature, &sys_humidity);
 
         rt_thread_mdelay(5000); // 每 2 秒读取一次
     }