Dead end, my brain can't handle writing this bridge rn

library_bridge.go

@@ -21,11 +21,59 @@ import (
 
 import "C"
 
-//export printimg
+var err error
-func printimg(path *C.char) {
-    fmt.Print(C.GoString(path))
 
-	p, err := escpos.StartUSBPrinter(C.GoString(path), protocol.TMT88IV, escpos.FlagNone)
+func printer_init(path string, speed int) (*escpos.Printer) {
+    p, err := escpos.StartUSBPrinter(path, protocol.TMT88IV, escpos.FlagNone)
+    if err != nil {
+        log.Fatalf("failed to start printer: %v", err)
+    }
+
+    if err := p.EnableASB(protocol.ASBReportAll); err != nil {
+        p.Close()
+        log.Fatalf("failed to enable ASB: %v", err)
+    }
+
+    go func() {
+        for status := range p.ASBStatus() {
+            log.Printf("received ASB status: %#v\n", status)
+        }
+    }()
+
+	if err := p.SetPrintSpeed(speed); err != nil {
+		log.Fatalf("failed to set print speed: %v\n", err)
+	}
+
+    return p
+}
+
+//export cut
+func cut(path *C.char) {
+    p := printer_init(C.GoString(path), 1)
+
+	if err = p.CutPaper(); err != nil {
+		log.Fatalf("failed to cut paper: %v", err)
+	}
+
+	if err = p.Wait(); err != nil {
+		log.Fatalf("failed to print: %v\n", err)
+	}
+}
+
+//export print_text
+func print_text(path *C.char, str *C.char) {
+    p := printer_init(C.GoString(path), 1)
+
+	fmt.Fprint(p, C.GoString(str))
+	fmt.Fprint(p, "\n")
+
+	if err = p.Wait(); err != nil {
+		log.Fatalf("failed to print: %v\n", err)
+	}
+}
+
+func printimg(path *C.char) {
+    p, err := escpos.StartUSBPrinter("/dev/usb/lp0", protocol.TMT88IV, escpos.FlagNone)
 	if err != nil {
 		log.Fatalf("failed to start printer: %v\n", err)
 	}

library_bridge.h

@@ -74,7 +74,8 @@ typedef struct { void *data; GoInt len; GoInt cap; } GoSlice;
 extern "C" {
 #endif
 
-extern void printimg(char* path);
+extern void cut(char* path);
+extern void print_text(char* path, char* str);
 
 #ifdef __cplusplus
 }

test.py

@@ -2,4 +2,8 @@ import ctypes
 
 mylib = ctypes.CDLL('./library_bridge.so')
 
-mylib.printimg("/dev/usb/lp0".encode('utf-8'))
+mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
+mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
+mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
+
+mylib.cut("/dev/usb/lp0".encode('utf-8'))