bump to 0.3.0; support Grove UART WiFi V2

README.md

@@ -120,6 +120,31 @@ Use ``||point||`` to open or close point dispay.
 
 Use ``||clear||`` to clean display.
 
+### Grove - UART WiFi V2
+
+Connect to a WiFi and send data to ThinkSpeak or IFTTT, specify the UART tx and rx pin.
+
+```blocks
+grove.setupWifi(
+    SerialPin.P15,
+    SerialPin.P1,
+    BaudRate.BaudRate115200,
+    "test-ssid",
+    "test-passwd"
+)
+
+basic.forever(() => {
+    if (grove.wifiOK()) {
+        basic.showIcon(IconNames.Yes)
+    } else {
+        basic.showIcon(IconNames.No)
+    }
+    grove.sendToThinkSpeak("write_api_key", 1, 2, 3, 4, 5, 6, 7, 8)
+    grove.sendToIFTTT("ifttt_event", "ifttt_key", "hello", 'micro', 'bit')
+    basic.pause(60000)
+})
+```
+
 ## License
 
 MIT

main.ts

@@ -88,7 +88,7 @@ enum GroveJoystickKey {
  * Functions to operate Grove module.
  */
 //% weight=10 color=#9F79EE icon="\uf1b3" block="Grove"
-//% groups='["4-Digit","Ultrasonic","Gesture","Thumbjoystick"]'
+//% groups='["4-Digit","Ultrasonic","Gesture","Thumbjoystick","UartWiFi"]'
 namespace grove {
     /**
      * 
@@ -638,4 +638,170 @@ namespace grove {
         })
         
     }
+
+    let isWifiConnected = false;
+    /**
+     * Setup Grove - Uart WiFi V2 to connect to  Wi-Fi
+     */
+    //% block="Setup Wifi|TX %txPin|RX %rxPin|Baud rate %baudrate|SSID = %ssid|Password = %passwd"
+    //% group="UartWiFi"
+    //% txPin.defl=SerialPin.P15
+    //% rxPin.defl=SerialPin.P1
+    //% baudRate.defl=BaudRate.BaudRate115200
+    export function setupWifi(txPin: SerialPin, rxPin: SerialPin, baudRate: BaudRate, ssid: string, passwd: string) {
+        let result = 0
+
+        isWifiConnected = false
+
+        serial.redirect(
+            txPin,
+            rxPin,
+            baudRate
+        )
+
+        sendAtCmd("AT")
+        result = waitAtResponse("OK", "ERROR", "None", 1000)
+
+        sendAtCmd("AT+CWMODE=1")
+        result = waitAtResponse("OK", "ERROR", "None", 1000)
+
+        sendAtCmd(`AT+CWJAP="${ssid}","${passwd}"`)
+        result = waitAtResponse("WIFI GOT IP", "ERROR", "None", 20000)
+
+        if (result == 1) {
+            isWifiConnected = true
+        }
+    }
+
+    /**
+     * Check if Grove - Uart WiFi V2 is connected to Wifi
+     */
+    //% block="Wifi OK?"
+    //% group="UartWiFi"
+    export function wifiOK() {
+        return isWifiConnected
+    }
+
+    /**
+     * Send data to ThinkSpeak
+     */
+    //% block="Send Data to your ThinkSpeak Channel|Write API Key %apiKey|Field1 %field1|Field2 %field2|Field3 %field3|Field4 %field4|Field5 %field5|Field6 %field6|Field7 %field7|Field8 %field8"
+    //% group="UartWiFi"
+    //% apiKey.defl="your Write API Key"
+    export function sendToThinkSpeak(apiKey: string, field1: number, field2: number, field3: number, field4: number, field5: number, field6: number, field7: number, field8: number) {
+        let result = 0
+        let retry = 2
+
+        // close the previous TCP connection
+        if (isWifiConnected) {
+            sendAtCmd("AT+CIPCLOSE")
+            waitAtResponse("OK", "ERROR", "None", 2000)
+        }
+
+        while (isWifiConnected && retry > 0) {
+            retry = retry - 1;
+            // establish TCP connection
+            sendAtCmd("AT+CIPSTART=\"TCP\",\"api.thingspeak.com\",80")
+            result = waitAtResponse("OK", "ALREADY CONNECTED", "ERROR", 2000)
+            if (result == 3) continue
+
+            let data = "GET /update?api_key=" + apiKey
+            if (!isNaN(field1)) data = data + "&field1=" + field1
+            if (!isNaN(field2)) data = data + "&field2=" + field2
+            if (!isNaN(field3)) data = data + "&field3=" + field3
+            if (!isNaN(field4)) data = data + "&field4=" + field4
+            if (!isNaN(field5)) data = data + "&field5=" + field5
+            if (!isNaN(field6)) data = data + "&field6=" + field6
+            if (!isNaN(field7)) data = data + "&field7=" + field7
+            if (!isNaN(field8)) data = data + "&field8=" + field8
+
+            sendAtCmd("AT+CIPSEND=" + (data.length + 2))
+            result = waitAtResponse(">", "OK", "ERROR", 2000)
+            if (result == 3) continue
+            sendAtCmd(data)
+            result = waitAtResponse("SEND OK", "SEND FAIL", "ERROR", 5000)
+
+            // // close the TCP connection
+            // sendAtCmd("AT+CIPCLOSE")
+            // waitAtResponse("OK", "ERROR", "None", 2000)
+
+            if (result == 1) break
+        }
+    }
+
+    /**
+     * Send data to IFTTT
+     */
+    //% block="Send Data to your IFTTT Event|Event %event|Key %key|value1 %value1|value2 %value2|value3 %value3"
+    //% group="UartWiFi"
+    //% event.defl="your Event"
+    //% key.defl="your Key"
+    //% value1.defl="hello"
+    //% value2.defl="micro"
+    //% value3.defl="bit"
+    export function sendToIFTTT(event: string, key: string, value1: string, value2: string, value3: string) {
+        let result = 0
+        let retry = 2
+
+        // close the previous TCP connection
+        if (isWifiConnected) {
+            sendAtCmd("AT+CIPCLOSE")
+            waitAtResponse("OK", "ERROR", "None", 2000)
+        }
+
+        while (isWifiConnected && retry > 0) {
+            retry = retry - 1;
+            // establish TCP connection
+            sendAtCmd("AT+CIPSTART=\"TCP\",\"maker.ifttt.com\",80")
+            result = waitAtResponse("OK", "ALREADY CONNECTED", "ERROR", 2000)
+            if (result == 3) continue
+
+            let data = "GET /trigger/" + event + "/with/key/" + key
+            data = data + "?value1=" + value1
+            data = data + "&value2=" + value2
+            data = data + "&value3=" + value3
+            data = data + " HTTP/1.1"
+            data = data + "\u000D\u000A"
+            data = data + "User-Agent: curl/7.58.0"
+            data = data + "\u000D\u000A"
+            data = data + "Host: maker.ifttt.com"
+            data = data + "\u000D\u000A"
+            data = data + "Accept: */*"
+            data = data + "\u000D\u000A"
+
+            sendAtCmd("AT+CIPSEND=" + (data.length + 2))
+            result = waitAtResponse(">", "OK", "ERROR", 2000)
+            if (result == 3) continue
+            sendAtCmd(data)
+            result = waitAtResponse("SEND OK", "SEND FAIL", "ERROR", 5000)
+
+            // // close the TCP connection
+            // sendAtCmd("AT+CIPCLOSE")
+            // waitAtResponse("OK", "ERROR", "None", 2000)
+
+            if (result == 1) break
+        }
+    }
+
+
+    function waitAtResponse(target1: string, target2: string, target3: string, timeout: number) {
+        let buffer = ""
+        let start = input.runningTime()
+
+        while ((input.runningTime() - start) < timeout) {
+            buffer += serial.readString()
+
+            if (buffer.includes(target1)) return 1
+            if (buffer.includes(target2)) return 2
+            if (buffer.includes(target3)) return 3
+
+            basic.pause(100)
+        }
+
+        return 0
+    }
+
+    function sendAtCmd(cmd: string) {
+        serial.writeString(cmd + "\u000D\u000A")
+    }
 }

pxt.json

@@ -1,6 +1,6 @@
 {
     "name": "Grove",
-    "version": "0.2.7",
+    "version": "0.3.0",
     "description": "A Microsoft MakeCode package for Seeed Studio Grove module",
     "license": "MIT",
     "dependencies": {

test.ts

@@ -1,4 +1,12 @@
 let _4Digit = grove.createDisplay(DigitalPin.C16, DigitalPin.C17)
+grove.setupWifi(
+    SerialPin.P15,
+    SerialPin.P1,
+    BaudRate.BaudRate115200,
+    "test-ssid",
+    "test-passwd"
+)
+
 basic.forever(function () {
     _4Digit.bit(6, 1)
 })