Read a serial and write on http
| package main | |
| import ( | |
| // "fmt" | |
| // "io" | |
| "net/http" | |
| "os" | |
| ) | |
| func readSerial(w http.ResponseWriter, r *http.Request) { | |
| ser, err := os.Open("./COM9") | |
| if err != nil { | |
| print("ERRO AO ABRIR COM9") | |
| os.Exit(1) | |
| } | |
| buf := make([]byte, 4000) | |
| ser.Read(buf) | |
| w.Write(buf) | |
| ser.Close() | |
| } | |
| func main() { | |
| http.HandleFunc("/read", readSerial) | |
| http.ListenAndServe(":3001", nil) | |
| } |
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