add schematic pdfs and firmware code

Code/thermal_printer/printer.h

@@ -0,0 +1,43 @@
+#ifndef PRINTER_H
+#define PRINTER_H
+
+#include "config.h"
+
+#define PRINT_SPLIT 6 // max points printed at the same time, 384/PRINT_SPLIT==96
+#define MAX_PRINT_PTS 24
+
+void printer_send_data8(uint8_t);
+
+void clear_printer_buffer();
+uint8_t IsPaper();
+
+uint8_t header_init();
+uint8_t header_init1();
+
+void motor_stepper_pos1(uint8_t Position);
+
+void motor_stepper_pos2(uint8_t Position);
+
+uint8_t feed_pitch1(uint64_t lines, uint8_t forward_backward);
+
+uint8_t bits_number(uint8_t n);
+ 
+void print_dots_8bit_split(CONFIG*cfg,uint8_t *Array, uint8_t characters);
+
+void print_dots_8bit(CONFIG*cfg,uint8_t *Array, uint8_t characters,uint8_t feed_num);
+
+uint16_t temperature();
+
+void print_lines8(CONFIG*);
+
+uint8_t invert_bit(uint8_t a);
+
+void print_image8(CONFIG*);
+void print_cut_line(CONFIG*);
+
+void printer_set_font(CONFIG*cfg,uint8_t fnbits);
+void parse_serial_stream(CONFIG*cfg,uint8_t input_ch);
+
+void reset_cmd();
+
+#endif