110 lines
3.1 KiB
Go
110 lines
3.1 KiB
Go
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package main
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import (
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/*
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#include <stdint.h>
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*/
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"C"
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"fmt"
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_ "image/png"
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"github.com/google/gousb"
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)
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import (
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"github.com/google/gousb/usbid"
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"gt.mokkon.com/sainw/libgofunc"
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)
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//export Sum
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func Sum(a, b int) int {
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return a + b
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}
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func main() {
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payload := `{"Name":"Ko Myo","Amount":3000}`
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const temp = `
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<img src="logo.png" style="width:230;height:200;padding-left:130px;padding-top:30px"/>
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<h1 style="padding-left:150px">New Day Energy</h1>
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<p style="padding-left:10px">Address: မင်္ဂလာပါ {{.Name}}</p>
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<p style="padding-left:10px">Receipt: RCPT001</p>
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<p style="padding-left:10px">Phone: 0977777777</p>
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<p style="padding-left:10px">Date: 4 Jan 2026 15:38:38</p>
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<p style="padding-left:10px">Car No.: 3J/3883</p>
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<p style="padding-left:10px">Casher: မနှင်းနှင်း</p>
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<p style="padding-left:10px">MOP: B2B</p>
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<p style="padding-left:10px">Tier: 1</p>
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<p style="padding-left:10px">Deal No.: RR</p>
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<hr style="height:1px;padding-left:10px;padding-right:10px;padding-bottom:10px"/>
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<table style="padding-left:10px;padding-bottom:10px;border:0px;font-size:16px;border:0px;">
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<tr>
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<th>Item</th>
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<th>Pump</th>
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<th>Price</th>
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<th>Liter</th>
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<th>Gallon</th>
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<th>Amount</th>
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</tr>
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<tr>
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<td>95 RON</td>
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<td>P8</td>
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<td>2,000</td>
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<td>3.25</td>
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<td>0.715</td>
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<td>6,500</td>
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</tr>
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</table>
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<p style="padding-left:0px;padding-top:50px;">
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စက်သုံးဆီ အရေအတွက် နှင့် အရည်အသွေးစျေးနှုန်းများ အားသံသယရှိပါက ph 09450539099, 09765421033, 09765421029 သို့တိုင်ကြား နိုင်ပါသည်။</p>
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`
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result := libgofunc.GenImg(550, "./out.png", payload, temp)
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fmt.Println("Result:", result)
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// PrintImg(C.CString("usb:/dev/usb/lp1"), C.CString("build/out.png"))
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// libgofunc.Print("int:/dev/bus/usb/001/046", "./out.png")
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libgofunc.Print("tcp:192.168.100.151:9100", "./out.png")
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// printer := "tcp:192.168.100.151:9100"
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// ListUSB()
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}
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func ListUSB() {
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ctx := gousb.NewContext()
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defer ctx.Close()
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// OpenDevices returns all devices that return 'true' in the filter
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devices, _ := ctx.OpenDevices(func(desc *gousb.DeviceDesc) bool {
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// fmt.Println(usbid.Describe(desc))
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// path := fmt.Sprintf("/dev/bus/usb/%03d/%03d", desc.Bus, desc.Address)
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// fmt.Printf("Device Path: %s\n", path)
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// switch desc.Class {
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// case 7:
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// fmt.Println("Found a standard printer")
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// case 0xFF:
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// fmt.Println("Found a vendor-specific device (likely your printer)")
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// }
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return true // Open every device to read its name
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})
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defer func() {
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for _, d := range devices {
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d.Close()
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}
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}()
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for _, d := range devices {
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fmt.Println(usbid.Describe(d.Desc))
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fmt.Printf("Bus: %d, Address: %d\n", d.Desc.Bus, d.Desc.Address)
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// Read human-readable names from the device strings
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manufacturer, _ := d.Manufacturer()
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product, _ := d.Product()
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serial, _ := d.SerialNumber()
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// d.Desc.Path
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fmt.Printf("ID: %s:%s | Manufacturer: %s | Product: %s | Serial: %s\n",
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d.Desc.Vendor, d.Desc.Product, manufacturer, product, serial)
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}
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}
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