From 7f6c30553b673b0d9380604cf37f15b31441c9ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BF=B1=20=E6=B2=88?= <2401809606@qq.com>
Date: Thu, 1 Jan 2026 14:00:05 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0ads111x=E9=A9=B1=E5=8A=A8,?=
=?UTF-8?q?=E4=BE=A6=E6=B5=8B=E5=90=84=E7=94=B5=E6=BA=90=E6=80=BB=E7=BA=BF?=
=?UTF-8?q?=E7=8A=B6=E6=80=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.cproject | 20 ++-
.project | 2 +-
applications/data/DATA_comm.c | 4 +
applications/data/Variable.c | 5 +-
applications/data/Variable.h | 4 +
applications/drv/drv_ads111x.c | 226 +++++++++++++++++++++++++++++++++
packages/packages.dbsqlite | Bin 425984 -> 430080 bytes
packages/pkgs.json | 20 +++
8 files changed, 273 insertions(+), 8 deletions(-)
create mode 100644 applications/drv/drv_ads111x.c
diff --git a/.cproject b/.cproject
index 42d764f..3adf0d2 100644
--- a/.cproject
+++ b/.cproject
@@ -533,7 +533,9 @@
-
+
+
+
@@ -699,7 +701,9 @@
-
+
+
+
@@ -856,7 +860,9 @@
-
+
+
+
@@ -1014,7 +1020,9 @@
-
+
+
+
@@ -1024,7 +1032,7 @@
-
+
@@ -1044,7 +1052,7 @@
-
+
diff --git a/.project b/.project
index f059ea4..350c330 100644
--- a/.project
+++ b/.project
@@ -1,6 +1,6 @@
- 828F
+ project
diff --git a/applications/data/DATA_comm.c b/applications/data/DATA_comm.c
index c85c137..a0899e3 100644
--- a/applications/data/DATA_comm.c
+++ b/applications/data/DATA_comm.c
@@ -132,6 +132,10 @@ void pasre_DAT(const char *api, const char *json_str)
cJSON_AddItemToObject(dat,"SYSHUM",cJSON_CreateNumber(sys_humidity));
cJSON_AddItemToObject(dat,"SYSTIME",cJSON_CreateString(systime));
cJSON_AddItemToObject(dat,"NAME",cJSON_CreateString(machine_name));
+ cJSON_AddItemToObject(dat,"PBAT",cJSON_CreateNumber(pow_bat));
+ cJSON_AddItemToObject(dat,"PCODE",cJSON_CreateNumber(pow_code));
+ cJSON_AddItemToObject(dat,"PDEV1",cJSON_CreateNumber(pow_dev1));
+ cJSON_AddItemToObject(dat,"PDEV2",cJSON_CreateNumber(pow_dev2));
cJSON_AddItemToObject(dat,"VAR",cJSON_CreateString(sys_var));
}
else if (strcmp(api, "SC810") == 0)
diff --git a/applications/data/Variable.c b/applications/data/Variable.c
index 3743962..8b84993 100644
--- a/applications/data/Variable.c
+++ b/applications/data/Variable.c
@@ -8,7 +8,10 @@ rt_int32_t sys_humidity;//主机环境湿度
char sys_var[8];//主机版本0.0.00A
unsigned char sys_time[6];//系统时间
unsigned int sys_run_time;//运行时间
-
+int pow_bat;//电池电压
+int pow_code;//主电压
+int pow_dev1;//设备电压.通讯
+int pow_dev2;//设备电压,其它
// 动态数据缓冲区（初始化为 NULL，后续分配）
char *DATA_dat;
diff --git a/applications/data/Variable.h b/applications/data/Variable.h
index 6090254..455dc4a 100644
--- a/applications/data/Variable.h
+++ b/applications/data/Variable.h
@@ -9,6 +9,10 @@ extern rt_int32_t sys_humidity;//主机环境湿度
extern char sys_var[8];//主机版本0.0.00A
extern unsigned char sys_time[6];//系统时间
extern unsigned int sys_run_time;//运行时间
+extern int pow_bat;//电池电压
+extern int pow_code;//主电压
+extern int pow_dev1;//设备电压.通讯
+extern int pow_dev2;//设备电压,其它
// ===== 字符串变量 =====
extern char *DATA_dat;
diff --git a/applications/drv/drv_ads111x.c b/applications/drv/drv_ads111x.c
new file mode 100644
index 0000000..ac96d73
--- /dev/null
+++ b/applications/drv/drv_ads111x.c
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2025, Your Name
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2025-12-27 Developer First version for ADS1115 on RT-Thread
+ */
+
+#include
+#include
+#include
+#include "Variable.h"
+
+#define DBG_TAG "sensor.ads1115"
+#define DBG_LVL DBG_LOG
+#include
+
+/* ADS1115 I2C 地址（A0 引脚接地时为 0x48） */
+#define ADS1115_I2C_ADDR 0x48
+/* 使用的 I2C 总线设备名 */
+#define ADS1115_I2C_BUS_NAME "i2c2" // 根据你的板子修改，如 "i2c1"
+
+/* ADS1115 寄存器地址 */
+#define ADS1115_REG_CONVERT 0x00
+#define ADS1115_REG_CONFIG 0x01
+
+static struct rt_i2c_bus_device *i2c_bus = RT_NULL;
+
+/**
+ * 向 ADS1115 写入配置寄存器
+ */
+static rt_err_t ads1115_write_config(rt_uint16_t config)
+{
+ rt_uint8_t buf[3] = {
+ ADS1115_REG_CONFIG,
+ (rt_uint8_t)(config >> 8),
+ (rt_uint8_t)(config & 0xFF)
+ };
+
+ struct rt_i2c_msg msgs[1] = {
+ {
+ .addr = ADS1115_I2C_ADDR,
+ .flags = RT_I2C_WR,
+ .buf = buf,
+ .len = 3,
+ }
+ };
+
+ if (rt_i2c_transfer(i2c_bus, msgs, 1) != 1)
+ {
+ LOG_E("Failed to write config register.");
+ return -RT_ERROR;
+ }
+ return RT_EOK;
+}
+
+/**
+ * 从 ADS1115 读取转换结果
+ */
+static rt_err_t ads1115_read_conversion(rt_int16_t *value)
+{
+ rt_uint8_t buf[2] = {0};
+
+ struct rt_i2c_msg msgs[2] = {
+ {
+ .addr = ADS1115_I2C_ADDR,
+ .flags = RT_I2C_WR,
+ .buf = (rt_uint8_t[]){ADS1115_REG_CONVERT},
+ .len = 1,
+ },
+ {
+ .addr = ADS1115_I2C_ADDR,
+ .flags = RT_I2C_RD,
+ .buf = buf,
+ .len = 2,
+ }
+ };
+
+ if (rt_i2c_transfer(i2c_bus, msgs, 2) != 2)
+ {
+ LOG_E("Failed to read conversion register.");
+ return -RT_ERROR;
+ }
+
+ *value = (rt_int16_t)((buf[0] << 8) | buf[1]);
+ return RT_EOK;
+}
+
+/**
+ * 读取指定通道的 ADC 值（单端输入）
+ * channel: 0 ~ 3 (对应 AIN0~AIN3 对 GND)
+ * 返回：RT_EOK 或错误码
+ */
+static rt_err_t ads1115_read_channel(rt_uint8_t channel, rt_int16_t *raw_value)
+{
+ if (channel > 3)
+ {
+ LOG_E("Invalid channel: %d", channel);
+ return -RT_EINVAL;
+ }
+
+ // 配置：OS=1, MUX=100+ch (单端), PGA=001 (±4.096V), MODE=1 (single), DR=100 (128SPS)
+ rt_uint16_t config = 0x8000 | // OS = 1
+ ((0x04 | channel) << 12) | // MUX: AINx vs GND
+ (0x01 << 9) | // PGA = ±4.096V
+ (0x01 << 8) | // MODE = single-shot
+ (0x04 << 5); // DR = 128 SPS
+
+ if (ads1115_write_config(config) != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ rt_thread_mdelay(10); // 等待转换完成（128SPS ≈ 8ms）
+
+ return ads1115_read_conversion(raw_value);
+}
+
+
+/**
+ * 将原始 ADC 值转换为毫伏（mV）
+ * 假设使用 ±2.048V 量程（PGA=1），则 LSB = 2.048V / 32768 ≈ 0.0625 mV/LSB
+ * 但因为是单端且参考地，实际范围 0~2.048V → 满量程 2.048V = 32768 LSB
+ * 所以：Voltage(mV) = raw * (2048 / 32768) = raw * 0.0625
+ */
+static rt_int32_t ads1115_raw_to_mv(rt_int16_t raw)
+{
+ /* 注意：单端模式下，raw 应为正数（0 ~ 32767）*/
+ return (rt_int32_t)(((rt_int64_t)raw * 125) / 1000); // 等价于 raw * 0.0625 * 1000
+}
+
+/**
+ * ADS1115 读取线程（示例：读取 AIN0）
+ */
+static void ads1115_thread_entry(void *parameter)
+{
+ rt_int16_t raw = 0 ,mt = 3600;
+
+ while (1)
+ {
+ if(mt>3600)
+ {
+ if (ads1115_read_channel(0, &raw) == RT_EOK)
+ {
+ pow_bat = ads1115_raw_to_mv(raw);
+ }
+ else
+ {
+ LOG_E("Failed to read ADS1115 P_BAT");
+ }
+ }
+ else
+ {
+ mt = 0;
+ }
+
+ if (ads1115_read_channel(1, &raw) == RT_EOK)
+ {
+ pow_code = ads1115_raw_to_mv(raw);
+ }
+ else
+ {
+ LOG_E("Failed to read ADS1115 P_CODE");
+ }
+
+ if (ads1115_read_channel(2, &raw) == RT_EOK)
+ {
+ pow_dev1 = ads1115_raw_to_mv(raw);
+ }
+ else
+ {
+ LOG_E("Failed to read ADS1115 P_DEV1");
+ }
+
+ if (ads1115_read_channel(3, &raw) == RT_EOK)
+ {
+ pow_dev2 = ads1115_raw_to_mv(raw);
+ }
+ else
+ {
+ LOG_E("Failed to read ADS1115 P_DEV2");
+ }
+
+
+ rt_thread_mdelay(1000); // 每 秒读取一次
+ }
+}
+
+/**
+ * ADS1115 驱动初始化函数
+ */
+static int rt_hw_ads1115_init(void)
+{
+ i2c_bus = rt_i2c_bus_device_find(ADS1115_I2C_BUS_NAME);
+ if (i2c_bus == RT_NULL)
+ {
+ LOG_E("Failed to find I2C bus: %s", ADS1115_I2C_BUS_NAME);
+ return -RT_ENOSYS;
+ }
+
+ LOG_I("Found I2C bus: %s", ADS1115_I2C_BUS_NAME);
+
+ /* 创建读取线程 */
+ rt_thread_t tid = rt_thread_create("ads1115",
+ ads1115_thread_entry,
+ RT_NULL,
+ 512,
+ RT_THREAD_PRIORITY_MAX - 2,
+ 10);
+ if (tid != RT_NULL)
+ {
+ rt_thread_startup(tid);
+ }
+ else
+ {
+ LOG_E("Failed to create ADS1115 thread.");
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+/* 自动初始化 */
+INIT_APP_EXPORT(rt_hw_ads1115_init);
diff --git a/packages/packages.dbsqlite b/packages/packages.dbsqlite
index 97c5b00441b391c87ae47c635d2dce87ffa4c2db..5ac3905e1102201a68c09eddbcaae629b03b258f 100644
GIT binary patch
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