From 823153c8eab3995ee00738209251f3881aaa01b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BF=B1=20=E6=B2=88?= <2401809606@qq.com>
Date: Sun, 28 Dec 2025 20:21:55 +0800
Subject: [PATCH] =?UTF-8?q?ahtx0=E6=B8=A9=E6=B9=BF=E5=BA=A6=E5=88=B0?=
 =?UTF-8?q?=E7=B3=BB=E7=BB=9F=E6=B8=A9=E6=B9=BF=E5=BA=A6?=
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---
 applications/PLC_link.c      |  8 +++++++-
 applications/data/Variable.c |  3 +++
 applications/drv/drv_aht20.c | 10 ++++------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/applications/PLC_link.c b/applications/PLC_link.c
index bdbb589..9395e72 100644
--- a/applications/PLC_link.c
+++ b/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;
diff --git a/applications/data/Variable.c b/applications/data/Variable.c
index 8ad5e26..f919a7a 100644
--- a/applications/data/Variable.c
+++ b/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];
diff --git a/applications/drv/drv_aht20.c b/applications/drv/drv_aht20.c
index d29848b..ced01e4 100644
--- a/applications/drv/drv_aht20.c
+++ b/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
     }