SerialChat串口輸出~使用紀錄

今天在FB  Arduino-Taipei上看到有人分享了一套由串口取得資料來繪製曲線圖的軟體SerialChat，看起來不錯用就來試用看看。以下是使用完畢後的心得。

使用方式不難。就是設定軟體CONFIG，然後Arduino Code修改成合規則的輸出格式。只是軟體配置文件有一些小地方要注意，不然就會什麼輸出畫面都沒有。



配置設定注意事項︰

• 所有參數後方不可有任何字元（包含//#等備註）。如︰port=COM5  //COM Port Setting
• 每個不同數據設定的[Field1]中間的命名不可有空白。如︰Field 1可設定成Field_1
• Run的時侯同時間不要有其它設備或軟體在存取所使用的COM Port。
• COM Port的值現在的版本好像只支援到COM10以內

我測試時的設定︰

	[_setup_]
	port=COM5
	baudrate=9600
	width=10000
	height=500
	background_color = white
	display = list
	display_sep = %09
	grid_h_origin = 250
	grid_h_step = 10
	grid_h_color = #EEE
	grid_h_origin_color = #CCC
	grid_v_origin = 0
	grid_v_step = 10
	grid_v_color = #EEE
	grid_v_origin_color=#CCC
	[_default_]
	min=-1
	max=1
	type = float
	precision = 2
	format = %n = %f
	[photocell]
	color=red
	min=0
	max=1200
	[int_Voltage]
	color=blue
	min=0
	max=6
	[int_TEMP]
	color=green
	min=0
	max=100

view raw gistfile1.txt hosted with ❤ by GitHub

測試用的Arduino Code︰
第一欄資料是由Arduino A0取得光敏電阻值
第二欄資料是取得Arduino內部電壓值
第三欄資料是取得Arduino內部溫度值

	int photocellPin = 0;
	int photocellVal = 0;
	void setup() {
	Serial.begin(9600);
	}
	void loop() {
	photocellVal = analogRead(photocellPin);
	Serial.print(photocellVal);
	Serial.print(",");
	Serial.print(float(readVcc())/1000);
	Serial.print(",");
	Serial.println(GetTemp());
	delay(100);
	}
	long readVcc() {
	long result;
	// Read 1.1V reference against AVcc
	ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
	delay(2); // Wait for Vref to settle
	ADCSRA |= _BV(ADSC); // Convert
	while (bit_is_set(ADCSRA,ADSC));
	result = ADCL;
	result |= ADCH<<8;
	result = 1126400L / result; // Back-calculate AVcc in mV
	return result;
	}
	double GetTemp(void)
	{
	unsigned int wADC;
	double t;
	// The internal temperature has to be used
	// with the internal reference of 1.1V.
	// Channel 8 can not be selected with
	// the analogRead function yet.
	// Set the internal reference and mux.
	ADMUX = (_BV(REFS1) | _BV(REFS0) | _BV(MUX3));
	ADCSRA |= _BV(ADEN); // enable the ADC
	delay(20); // wait for voltages to become stable.
	ADCSRA |= _BV(ADSC); // Start the ADC
	// Detect end-of-conversion
	while (bit_is_set(ADCSRA,ADSC));
	// Reading register "ADCW" takes care of how to read ADCL and ADCH.
	wADC = ADCW;
	// The offset of 324.31 could be wrong. It is just an indication.
	t = (wADC - 324.31 ) / 1.22;
	// The returned temperature is in degrees Celcius.
	return (t);
	}

view raw SerianChatTestCode.ino hosted with ❤ by GitHub