Initial commit

README.md

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+
+Youyue-858D-plus
+================
+
+CODE: Custom firmware for my Youyue 858D+
+
+Work in progress...
+
+
+---
+
+Please note: 
+
+Making any modifications to this device may cause you physical harm or worse.
+
+There is a significant risk of lethal electrical shock, so if you still insist of doing so, make sure to
+
+ALWAYS UNPLUG THE MAINS CABLE before dismantling the device. Check repeatedly.
+

push.sh

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+#!/bin/bash
+git push --all gso && git push --all github
+git push --tags gso && git push --tags github
+

youyue858d.ino

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+/*
+ * This is a custom firmware for my 'Youyue 858D+' hot-air sodlering station.
+ * It may or may not be useful to you, always double check if you use it.
+ *
+ * PCB version: XXXX (fix this)
+ * Other identifiers (see images)
+ *
+ * 2013 - Robert Spitzenpfeil
+ *
+ * Licence: GNU GPL v2
+ *
+ */
+
+/*
+ * PC3: TIP122.base --> FAN
+ * PC0: ADC <-- amplif. thermo couple voltage
+ * PB1: opto-triac driver
+ *
+ * PB0: 7-seg digit 1
+ * PB7: 7-seg digit 2
+ * PB6: 7-seg digit 3
+ *
+ * PD0: 7-seg top
+ * PD1: 7-seg bottom left
+ * PD2: 7-seg bottom
+ * PD3: 7-seg top left
+ * PD4: 7-seg dot
+ * PD5: 7-seg bottom right
+ * PD6: 7-seg middle
+ * PD7: 7-seg top right
+ *
+ * PB5: SW1 (button1)
+ * PB2: SW2 (button2)
+ * PB4: reed switch (wand craddle sensor)
+ *
+ */
+
+#define FAN_OFF ( PORTC |= _BV(PC3) )
+#define FAN_ON  ( PORTC &= ~_BV(PC3) )
+
+#define TRIAC_ON ( PORTB &= ~_BV(PB1) )
+#define TRIAC_OFF ( PORTB |= _BV(PB1) )
+
+#define SW1_PRESSED ( !(PINB & _BV(PB5)) )
+#define SW2_PRESSED ( !(PINB & _BV(PB2)) )
+#define REEDSW_CLOSED ( !(PINB & _BV(PB4)) )
+
+/*
+x0 = 555;
+x1 = x0 - (x0/100)*100; // 55;
+x2 = x1 - (x1/10)*10; // 5;
+
+d3 = (x0 - x1)/100;
+d2 = (x1 - x2)/10;
+d1 = x2;
+*/
+
+void setup(void)
+{
+	DDRB &= ~(_BV(PB5) | _BV(PB4) | _BV(PB2));	// set as inputs (switches)
+	DDRC |= _BV(PC3);	// set as output (FAN control)
+	DDRD |= 0xFF;		// all as outputs (7-seg segments)
+	DDRB |= (_BV(PB0) | _BV(PB6) | _BV(PB7));	// 7-seg digits 1,2,3
+}
+
+void loop(void)
+{
+	if (SW1_PRESSED) {
+		display_character(1, 1);
+	}
+	if (SW2_PRESSED) {
+		display_character(1, 2);
+	}
+	if (REEDSW_CLOSED) {
+		display_character(1, 'R');
+	}
+}
+
+void display_character(uint8_t digit, uint8_t character)
+{
+
+	// clear digit-bits in PORTB - all digits OFF (set LOW, as current source)
+	PORTB &= ~(_BV(PB0) | _BV(PB6) | _BV(PB7));
+
+	// all segments OFF (set HIGH, as current sinks)
+	PORTD = 0xFF;
+
+	switch (digit) {
+	case 1:
+		PORTB |= _BV(PB0);	// turn on digit #1
+		break;
+
+	case 2:
+		PORTB |= _BV(PB7);	// #2
+		break;
+
+	case 3:
+		PORTB |= _BV(PB6);	// #3
+		break;
+
+	default:
+		break;
+	}
+
+	switch (character) {
+	case 0:
+		PORTD = 0xAF;	// activate segments for displaying a '0'
+		break;
+
+	case 1:
+		PORTD = 0xA0;	// '1'
+		break;
+
+	case 2:
+		PORTD = 0xC7;	// '2'
+		break;
+
+	case 3:
+		PORTD = 0xE5;	// '3'
+		break;
+
+	case 4:
+		PORTD = 0xE8;	// '4'
+		break;
+
+	case 5:
+		PORTD = 0x6D;	// '5'              
+		break;
+
+	case 6:
+		PORTD = 0x6E;	// '6'              
+		break;
+
+	case 7:
+		PORTD = 0xA1;	// '7'              
+		break;
+
+	case 8:
+		PORTD = 0xEF;	// '8'              
+		break;
+
+	case 9:
+		PORTD = 0xE3;	// '9'              
+		break;
+
+	case '-':
+		PORTD = 0x40;	// '-'              
+		break;
+
+	case 'R':
+		PORTD = 0xEB;	// 'R'
+		break;
+
+	default:
+		PORTD = 0x10;	// '.'              
+		break;
+	}
+}