本頁目錄
系統環境
第一個輕應用示例
附錄
更多示例代碼
HaaS600 Kit
HaaS600 Kit 是一款基於 HaaS600系列模組評估的高性價比開發板。可應用於共享控制、金融支付、智能語音、泛工業等場景的智能硬件產品開發。
HaaS600 Kit 套件包含以下物料:
· 開發板 x 1
· micro-USB線纜 x 1
· 5V/2A電源適配器 x 1
· 4G天線 x 1
· GPS天線 x 1
系統環境
連接設備
按照下圖所示將開發電腦跟設備的調試/用戶串口通過MicroUSB連接,連接後,將在PC設備管理器中出現兩個串口,分別用於調試和用戶串口輸入輸出。
安裝USB轉串口驅動
· Windows XP/Vista
· Windows7/8/8.1
· Windows10
· MacOS
安裝完成之後,在設備管理器中可以看到以下虛擬串口:
Windows
MacOS
Note:
1.不同的電腦生成的串口號和名稱不一樣,以實際生成的為準。
2.生成的兩個串口,一個是debug串口(查看運行日誌,只讀),另一個是用戶串口(JavaScript交互式解釋器或其他用途)
開發工具
輕應用開發使用一套命令行工具管理和推送應用腳本到設備。
下載命令行工具:
· Mac版
· Windows版
Note:
Mac版需要設置執行權限:chmod +x ./amp
請參考:命令行工具
將命令行工具解壓到工作目錄,如圖所示對應文件
├── amp # 命令行工具
├── app # 示例代碼(hello world)
│ ├── app.json
│ └── app.js
└── bindings.node # 本地更新庫碼
第一個輕應用示例
· 查看設備連接狀態
在命令行工具下使用該命令查看設備連接狀態
./amp.exe seriallist
COM194
COM195
Note:
如果返回值跟設備管理器中生成的一致,說明設備連接和命令行工具運行正常
命令行工具默認示例代碼運行hello world程序,此處使用LED Blink來作為第一個輕應用示例來介紹。
使用下面的app.js 和 app.json文件替換命令行工具示例代碼目錄下的同名文件,如下:
LED Blink app.json
{
"version": "1.0.0",
"io": {
"D13": {
"type": "GPIO",
"port": 33,
"dir": "output",
"pull": "pulldown"
}
},
"debugLevel": "DEBUG"
}
LED Blink app.js:
var gpio = require('gpio');
var led = gpio.open({
id: 'D13'
});
var vol = 0;
setInterval(function() {
vol = 1 - vol;
led.writeValue(vol);
console.log('gpio: led set value ' + vol);
vol = led.readValue();
console.log('gpio: led get value ' + vol);
}, 1000);
本地熱更新
· 切換到下載模式
將下載/運行模式切換開關(MODE)撥到DL側,並通過電源選擇開關(POWER SWITCH)斷電重啟,稍等片刻待AMP_STU指示燈間歇性雙閃,如下圖,說明設備已經進入本地下載模式。
· 通過amp工具推送應用代碼到設備
./amp.exe seriallist
COM194
COM195
./amp.exe serialput ./app COM194
Note:
Windows環境下,熱更新命令的串口號需要大寫。
· 切換到運行模式(RUN)並復位
· 運行效果如圖:
在線熱更新
在已插SIM卡有網絡連接的情況下,也可參考在線應用熱更新推送輕應用代碼到目標設備。
附錄
硬件資源介紹
硬件資源映射表
功能列表(部分)
· 文件系統 FS
· 系統信息 SYSTEM
· 鍵值對存儲 KV
· 電源管理 PM
· 硬件I/O
UART
GPIO
I2C
SPI
ADC
DAC
PWM
TIMER
RTC
WDG
· 網絡協議
UDP
TCP
MQTT
HTTP
· 高階功能
IoT 阿里雲IoT平臺連接組件
audioplayer 音頻播放組件
app.json 參考示例
{
"version": "1.0.0",
"io": {
"I2C0": {
"type": "I2C",
"port": 0,
"addrWidth": 7,
"freq": 400000,
"mode": "master",
"devAddr": 72
},
"ADC0": {
"type": "ADC",
"port": 0,
"sampling": 12000000
},
"ADC1": {
"type": "ADC",
"port": 1,
"sampling": 12000000
},
"UART1": {
"type": "UART",
"port": 1,
"dataWidth": 8,
"baudRate": 9600,
"stopBits": 1,
"flowControl": "cts",
"parity": "none"
},
"UART2": {
"type": "UART",
"port": 2,
"dataWidth": 8,
"baudRate": 115200,
"stopBits": 1,
"flowControl": "disable",
"parity": "none"
},
"SPI1": {
"type": "SPI",
"port": 1,
"mode": "master",
"freq": 3250000
},
"PWM0": {
"type": "PWM",
"port": 31,
"mode": "master",
"freq": 3250000
},
"PWM1": {
"type": "PWM",
"port": 32,
"mode": "master",
"freq": 3250000
},
"D0": {
"type": "GPIO",
"port": 51,
"dir": "output",
"pull": "pulldown"
},
"D1": {
"type": "GPIO",
"port": 52,
"dir": "output",
"pull": "pulldown"
},
"D2": {
"type": "GPIO",
"port": 17,
"dir": "irq",
"pull": "pulldown",
"intMode": "both"
},
"D3": {
"type": "GPIO",
"port": 16,
"dir": "irq",
"pull": "pullup",
"intMode": "both"
},
"D4": {
"type": "GPIO",
"port": 59,
"dir": "output",
"pull": "pulldown"
},
"D5": {
"type": "GPIO",
"port": 121,
"dir": "output",
"pull": "pulldown"
},
"D6": {
"type": "GPIO",
"port": 54,
"dir": "output",
"pull": "pulldown"
},
"D7": {
"type": "GPIO",
"port": 53,
"dir": "output",
"pull": "pulldown"
},
"D8": {
"type": "GPIO",
"port": 124,
"dir": "output",
"pull": "pulldown"
},
"D9": {
"type": "GPIO",
"port": 122,
"dir": "output",
"pull": "pulldown"
},
"D10": {
"type": "GPIO",
"port": 34,
"dir": "output",
"pull": "pulldown"
},
"D11": {
"type": "GPIO",
"port": 36,
"dir": "output",
"pull": "pulldown"
},
"D12": {
"type": "GPIO",
"port": 35,
"dir": "output",
"pull": "pulldown"
},
"D13": {
"type": "GPIO",
"port": 33,
"dir": "output",
"pull": "pulldown"
},
"D14": {
"type": "GPIO",
"port": 57,
"dir": "output",
"pull": "pulldown"
},
"D15": {
"type": "GPIO",
"port": 32,
"dir": "output",
"pull": "pulldown"
},
"D16": {
"type": "GPIO",
"port": 31,
"dir": "output",
"pull": "pulldown"
},
"D17": {
"type": "GPIO",
"port": 76,
"dir": "output",
"pull": "pulldown"
}
},
"debugLevel": "DEBUG",
"repl": "disable"
}
更多示例代碼
· Git 倉庫:
https://gitee.com/alios-things/amp-examples/tree/master/board/HaaS600Kit
· 打包下載(需註冊gitee賬號):
https://gitee.com/alios-things/amp-examples/repository/archive/master.zip