ChatGPT是一种基于自然语言处理技术的人工智能模型,由OpenAI团队开发的。它基于大规模的语言数据集进行训练,并可以生成高质量的自然语言文本,包括对话、摘要、翻译等多种应用。
向ChatGPT提问,根据反馈执行以下操作步骤:
1、完成设备树I2C节点、引脚配置
2、完成prj.conf工程配置、
3、使用ChatGPT提供的读取SHT30数据的操作代码
4、编译、运行,验证结果
温湿度传感器 SHT30 与聆思CSK开发板对接,接入方式如下:
命令行输入lisa zep create ,选择hello world的sample模板(环境部署参考聆思CSK6开发工具简介 )
通过提问获得ChatGPT提供的主程序代码,并copy到工程的/src/main.c文件中
问题:如何在zephyr工程上使用I2C接口读取SHT30传感器数据并打印对应的数据
以下为Chatgpt回复
要在Zephyr工程上使用I2C接口读取SHT30传感器数据并打印对应的数据,您可以遵循以下步骤:
1.确保您的开发板上已经连接了SHT30传感器,并且已经正确配置了I2C总线。
2.在Zephyr的工程配置文件prj.conf中,启用I2C总线驱动和SHT30驱动,例如:CONFIG_I2C=y CONFIG_I2C_DRIVER=y CONFIG_SHT3XD=y CONFIG_SHT3XD_TRIGGER=y
3.在您的Zephyr应用程序中包含必要的头文件:
#include
#include #include #include #include 4.初始化I2C总线,例如:
const struct device *i2c_dev; i2c_dev = device_get_binding("I2C_1"); if (!i2c_dev) { printk("Failed to find I2C_1 device!\n"); return; }
5.初始化SHT30传感器,例如:
const struct device *sht30_dev; struct sensor_value temp, humidity; sht30_dev = device_get_binding("SHT3XD"); if (!sht30_dev) { printk("Failed to find SHT3XD device!\n"); return; } if (sensor_sample_fetch(sht30_dev) < 0) { printk("Failed to fetch samples from SHT3XD device!\n"); return; } if (sensor_channel_get(sht30_dev, SENSOR_CHAN_AMBIENT_TEMP, &temp) < 0) { printk("Failed to get temperature from SHT3XD device!\n"); return; } if (sensor_channel_get(sht30_dev, SENSOR_CHAN_HUMIDITY, &humidity) < 0) { printk("Failed to get humidity from SHT3XD device!\n"); return; } printk("Temperature: %d.%06d C\n", temp.val1, temp.val2); printk("Humidity: %d.%06d %%\n", humidity.val1, humidity.val2);
6.编译并运行您的Zephyr应用程序,将会读取SHT30传感器的温度和湿度数据,并打印出来。
请注意,上述代码仅是示例,您需要根据您的实际应用程序做出相应的修改。
以上为Chatgpt回复
复制代码到prj.conf的配置,并根据提示建立设备树相关文件
/*
Copyright (c) 2021-2022 listenai Intelligent Technology (anhui) Co., Ltd.
SPDX-License-Identifier: Apache-2.0
/
&pinctrl {
/ I2C alternate function */
pinctrl_i2c0_scl_default: i2c0_scl_default{
pinctrls = <I2C0_SCL_GPIOA_10>;
};
pinctrl_i2c0_sda_default: i2c0_sda_default{
pinctrls = <I2C0_SDA_GPIOA_11>;
};
};
&i2c0 { /* SDA PA11, SCL PA.10, ALERT PX.XX */
status = "okay";
pinctrl-0 = <&pinctrl_i2c0_scl_default &pinctrl_i2c0_sda_default>;
pinctrl-names = "default";
sht3xd@44 {
compatible = "sensirion,sht3xd";
reg = <0x44>;
label = "SHT3XD";
// alert-gpios = <&gpiob 5 GPIO_ACTIVE_LOW>;// The driver does not currently support
status = "okay";
};
};
> #Copyright (c) 2018 Peter Bigot Consulting, LLC
> #SPDX-License-Identifier: Apache-2.0
> CONFIG_STDOUT_CONSOLE=y
> CONFIG_PRINTK=y
> CONFIG_ASSERT=y
> #CONFIG_EARLY_CONSOLE=y
> CONFIG_I2C=y
> CONFIG_SENSOR=y
> CONFIG_SHT3XD=y
>
> #CONFIG_BOOT_BANNER=n
/*
Copyright (c) 2018 Peter Bigot Consulting, LLC
SPDX-License-Identifier: Apache-2.0
*/
#include
#include
#include
#include
#include
#define ALERT_HUMIDITY_LO 50
#define ALERT_HUMIDITY_HI 60
#ifdef CONFIG_SHT3XD_TRIGGER
static volatile bool alerted;
static void trigger_handler(const struct device *dev,
const struct sensor_trigger *trig)
{
alerted = !alerted;
}
#endif
void main(void)
{
const struct device *dev = device_get_binding("SHT3XD");
int rc;
if (dev == NULL) {
printf("Could not get SHT3XD device\n");
return;
}
#ifdef CONFIG_SHT3XD_TRIGGER
struct sensor_trigger trig = {
.type = SENSOR_TRIG_THRESHOLD,
.chan = SENSOR_CHAN_HUMIDITY,
};
struct sensor_value lo_thr = { ALERT_HUMIDITY_LO };
struct sensor_value hi_thr = { ALERT_HUMIDITY_HI };
bool last_alerted = false;
rc = sensor_attr_set(dev, SENSOR_CHAN_HUMIDITY,
SENSOR_ATTR_LOWER_THRESH, &lo_thr);
if (rc == 0) {
rc = sensor_attr_set(dev, SENSOR_CHAN_HUMIDITY,
SENSOR_ATTR_UPPER_THRESH, &hi_thr);
}
if (rc == 0) {
rc = sensor_trigger_set(dev, &trig, trigger_handler);
}
if (rc != 0) {
printf("SHT3XD: trigger config failed: %d\n", rc);
return;
}
printf("Alert outside %d..%d %%RH got %d\n", lo_thr.val1,
hi_thr.val1, rc);
#endif
while (true) {
struct sensor_value temp, hum;
rc = sensor_sample_fetch(dev);
if (rc == 0) {
rc = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP,
&temp);
}
if (rc == 0) {
rc = sensor_channel_get(dev, SENSOR_CHAN_HUMIDITY,
&hum);
}
if (rc != 0) {
printf("SHT3XD: failed: %d\n", rc);
break;
}
#ifdef CONFIG_SHT3XD_TRIGGER
if (alerted != last_alerted) {
if (lo_thr.val1 > hum.val1) {
printf("ALERT: humidity %d < %d\n",
hum.val1, lo_thr.val1);
} else if (hi_thr.val1 < hum.val1) {
printf("ALERT: humidity %d > %d\n",
hum.val1, hi_thr.val1);
} else {
printf("ALERT: humidity %d <= %d <= %d\n",
lo_thr.val1, hum.val1, hi_thr.val1);
}
last_alerted = alerted;
}
#endif
printf("SHT3XD: %.2f Cel ; %0.2f %%RH\n",
sensor_value_to_double(&temp),
sensor_value_to_double(&hum));
k_sleep(K_MSEC(2000));
}
}
#Copyright (c) 2018 Peter Bigot Consulting, LLC
#SPDX-License-Identifier: Apache-2.0
cmake_minimum_required(VERSION 3.20.0)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(sht3xd)
FILE(GLOB app_sources src/*.c)
target_sources(app PRIVATE ${app_sources})
1.快速起手:使用ChatGPT快速搭建工程模板,节省时间、提高效率
2.查漏补缺与调试:当面对代码中不理解的点,可以进行提问,ChatGPT将结合示例进行讲解,可以更好地在我们的知识体系中对知识点进行补充,同时结合运行情况进行问题排查
(技术分享:聆思科技柯钿爽)
让ChatGPT编写嵌入式应用,三分钟完成传感器接入!
聆思科技是一家专注提供智能终端系统级(SoC)芯片的高科技企业,目前推出的CSK6系AI芯片已适配Zephyr RTOS。
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