Compatibility for new displays - if you upgrade you will be asked if the screen shows blue or red. Improved the temperature measurement, the 100k pulldown altered the measurement, so the temperature was 30-50°C hotter than measured. Based on this measurement error, you can now officially set the max temperature of 450°C. Removed misleading offset temperature, if colder than 50°C it only shows cold. Added direct heating on boot and option to disable this and auto shutdown. Just press the power button when booting (led blinking). Powering the tip will no longer heat to standby, even if it was in standby before. Added installation routine, do not use if you don’t know what you’re doin’. Intended for external voltage divider (temperature element fake) and LED attached to heater instead of using a weller tip. Reduced prescaler to 128 for less noise. Testing is needed to reduce it further to something between 1 and 32 to eliminate sound from switching.
164 lines
9.6 KiB
C
164 lines
9.6 KiB
C
#define VERSION "2.3"
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#define EEPROM_CHECK 42
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#define STBY_TEMP 150
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/*
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* SOFTWARE CAN'T MEASURE MORE THAN 489 DUE TO RESISTOR CONFIGURATION, IF SET TO >= 489 IT'S LIKELY TO KILL YOUR TIP!
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* TIPS ARE SPECIFIED FOR 450 DEGREE MAX
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* If read 1023 on Analog in, the tip is turned off
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*/
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#define MAX_TEMP 450
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#define MIN_TEMP 100
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#define SHUTOFF_ACTIVE
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#define BOOTHEAT_ACTIVE
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#define STANDBY_TIMEOUT 240 // seconds without any significant temperature drop, if exceeded it will standby
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#define OFF_TIMEOUT 900 // seconds in standby before turning off
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#define TEMP_THRESHOLD 50 //threshold voltage, that must be exceeded in given time:
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#define TEMP_UNDER_THRESHOLD 150 //*10ms
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#define THRES_MAX_DECEED 2 //max times the threshold temperature may be undercut by the current temperature
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//Temperature in degree to rise at least in given time
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#define TEMP_MIN_RISE 10
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//Time in that the temperature must rise by the set temperature
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#define TEMP_RISE_TIME 1000
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#define SW_STBY 2
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#define HEATER_PWM 3
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#define SW_DOWN 4
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#define HEAT_LED 5
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#define SW_UP 6
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#define SW_T3 7
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#define SW_T2 8
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#define SW_T1 9
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#define TFT_CS 10
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#define TFT_BL 12 //use MISO PULLUP as switch
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#define TEMP_SENSE A0
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#define STBY_NO A1
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#define BAT_C3 A2
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#define BAT_C2 A3
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#define BAT_C1 A4
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#define TFT_DC A5
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#define kp 0.03
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#define ki 0.00001
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#define kd 0.0
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#define TIME_COMPUTE_IN_MS 10
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#define TIME_MEASURE_VOLTAGE_IN_MS 200
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#define TIME_SW_POLL_IN_MS 10
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#define DELAY_BEFORE_MEASURE 10
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#define DELAY_MAIN_LOOP 10
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#define PID_SAMPLE_TIME 10
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#define ADC_TO_TEMP_GAIN 0.39
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#define ADC_TO_TEMP_OFFSET 23.9
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#define CTRL_GAIN 10
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#define EE_VERSION 23
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#define EEPROM_SET_T 8
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#define EEPROM_VERSION 10
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#define EEPROM_DISPLAY 11
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#define EEPROM_OPTIONS 12
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#define EEPROM_INSTALL 42
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typedef enum POWER_SOURCE {
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NO_INIT,
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POWER_USB,
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POWER_CORD,
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POWER_LIPO
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} p_source;
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typedef enum ERROR_TYPE {
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NO_ERROR,
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EXCESSIVE_FALL,
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NOT_HEATING,
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NO_TIP,
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BATTERY_LOW,
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USB_ONLY
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} error_type;
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const unsigned char maiskolben [] PROGMEM = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3d, 0xe0, 0x60, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xcf, 0xff, 0xa0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb, 0xdc, 0xf7,
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0x18, 0x47, 0x89, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8,
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0x26, 0x78, 0xc6, 0x33, 0x9c, 0x7f, 0x0c, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x08, 0x23, 0x49, 0xe6, 0x1b, 0xff, 0xf8, 0x39, 0xd0, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0xc5, 0x31, 0xcf, 0xe7, 0x3f, 0xfe, 0x14, 0x21, 0x08,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x47, 0xf9, 0xff, 0xff, 0xcc,
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0x40, 0x08, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x4e,
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0x0f, 0xc1, 0x08, 0x04, 0x63, 0x00, 0x21, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x47, 0xe0, 0x0c, 0x01, 0x08, 0x07, 0xaf, 0x80, 0x60, 0x84, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x02, 0x0c, 0x01, 0x8c, 0xc7, 0xa4, 0x80, 0xe0, 0xf4,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x03, 0x0c, 0x60, 0x9f, 0xc7,
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0xf0, 0xf3, 0x33, 0xf4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x83,
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0x0e, 0xe0, 0x77, 0x69, 0x9a, 0xf7, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x0c, 0xfd, 0xb7, 0xb6, 0x67, 0x79, 0x9f, 0xfe, 0xee, 0x12, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xfc, 0xf3, 0xbe, 0xff, 0xfb, 0xff, 0xf8, 0x46, 0x12,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xcd, 0xcf, 0xbc, 0x63, 0x18, 0x6e,
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0x21, 0x80, 0x42, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x8c, 0xfe,
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0x08, 0x42, 0x08, 0x44, 0x21, 0x48, 0x42, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x06, 0x84, 0xe2, 0x1e, 0x4a, 0x18, 0x44, 0xe1, 0xc0, 0x63, 0x0f, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x63, 0x3c, 0x7b, 0x18, 0x6e, 0x60, 0x80, 0x31, 0x07,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x65, 0xec, 0x71, 0x08, 0x22,
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0x10, 0x00, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x39,
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0x84, 0x21, 0x8c, 0x33, 0x10, 0x00, 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x08, 0x38, 0x84, 0x00, 0x08, 0x32, 0x10, 0x02, 0x20, 0x06, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x58, 0x10, 0x84, 0x00, 0x08, 0x20, 0x10, 0x03, 0xf1, 0x9f,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x70, 0x44, 0x60, 0x08, 0x23,
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0x30, 0xc4, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x00,
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0xc7, 0x1f, 0xff, 0xff, 0x1f, 0x84, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x08, 0xc0, 0x7f, 0x82, 0x10, 0x8c, 0x03, 0x08, 0x84, 0x00, 0x87, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x78, 0x82, 0x10, 0x88, 0x01, 0x08, 0x84, 0x10, 0x87,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7c, 0x28, 0x82, 0x18, 0xc8, 0x21,
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0x08, 0x82, 0x10, 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfc, 0x28,
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0x42, 0x08, 0xc0, 0x21, 0x8c, 0x42, 0x10, 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xf0, 0x00,
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0x00, 0x3f, 0xfc, 0x18, 0x42, 0x08, 0xc4, 0x11, 0x8c, 0x42, 0x10, 0x83, 0x80, 0x00, 0x00, 0x00,
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0x7f, 0xff, 0xfe, 0x89, 0xfc, 0xff, 0x94, 0x0c, 0x42, 0x08, 0x44, 0x30, 0x88, 0x42, 0x10, 0x03,
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0x18, 0x00, 0x00, 0x00, 0x06, 0xff, 0xff, 0xff, 0xff, 0x00, 0x04, 0x0c, 0x62, 0x00, 0x04, 0x00,
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0x88, 0x42, 0x10, 0x03, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x04, 0x1c,
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0x20, 0x00, 0x88, 0x00, 0x88, 0x42, 0x10, 0xc7, 0x06, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x07, 0x80, 0x1c, 0x23, 0x10, 0xc8, 0x00, 0x8c, 0x43, 0x30, 0xf9, 0x01, 0xf0, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x37, 0x9d, 0xbc, 0x30, 0xfe, 0xe7, 0x6f, 0x11,
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0x00, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xce, 0x04, 0x4c, 0xe7, 0x9e, 0x2f,
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0x31, 0x8e, 0x64, 0x31, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xce, 0x23,
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0x8f, 0xe7, 0x1d, 0xc7, 0x31, 0x8c, 0x64, 0x11, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x02, 0x46, 0x30, 0xcf, 0xf6, 0x1c, 0xe6, 0x39, 0xcc, 0x64, 0x11, 0x00, 0x06, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x44, 0x38, 0xcc, 0x76, 0x18, 0xc2, 0x3d, 0x2c, 0x6c, 0x13,
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0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x44, 0x38, 0xcc, 0x66, 0x10, 0x86,
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0x31, 0x08, 0x48, 0x13, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x44, 0x38,
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0xc0, 0x44, 0x10, 0x84, 0x21, 0x00, 0x48, 0x12, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x01, 0x40, 0x30, 0x80, 0x44, 0x01, 0x04, 0x20, 0x00, 0x48, 0x1e, 0x00, 0x01, 0x80, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xc0, 0x00, 0x84, 0x44, 0x21, 0x04, 0x20, 0x0c, 0xfc, 0x26,
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0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x86, 0xcc, 0x21, 0x04,
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0x23, 0x0f, 0x8e, 0xc2, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00,
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0x8e, 0xff, 0xff, 0x0f, 0xfb, 0xf9, 0x84, 0x46, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x80, 0x71, 0xf0, 0x6c, 0x31, 0xc4, 0x40, 0x19, 0x00, 0x46, 0x00, 0x00, 0x30, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xb8, 0x30, 0x4c, 0x21, 0x04, 0x40, 0x11, 0x00, 0x46,
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0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x20, 0x20, 0x48, 0x20, 0x00,
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0x02, 0x11, 0x08, 0x44, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x28,
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0x20, 0x08, 0x02, 0x00, 0x80, 0x11, 0x08, 0x4c, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x22, 0x18, 0x20, 0x00, 0x02, 0x00, 0x80, 0x13, 0x1c, 0xd8, 0x00, 0x00, 0x03, 0x40,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x18, 0x20, 0x00, 0x42, 0x08, 0x84, 0x1d, 0xe6, 0x38,
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0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x18, 0x21, 0x1c, 0x7e, 0x0e,
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0x7f, 0x90, 0x44, 0x38, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x7c,
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0x7c, 0xcc, 0x31, 0x88, 0x42, 0x10, 0x44, 0x38, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x1e, 0x42, 0x10, 0x08, 0x21, 0x08, 0x42, 0x10, 0x84, 0x78, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x40, 0x00, 0x08, 0x20, 0x08, 0x62, 0x10, 0x8c, 0x70,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x00, 0x08,
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0xc6, 0x21, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xd8,
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0x60, 0x08, 0x44, 0x3f, 0xff, 0xe7, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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