kopia lustrzana https://github.com/cyoung/stratux
62 wiersze
1.5 KiB
Go
62 wiersze
1.5 KiB
Go
// Copyright (c) 2015 Joseph D Poirier
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// Distributable under the terms of The New BSD License
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// that can be found in the LICENSE file.
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// Package godump978 wraps libdump978, a 978MHz UAT demodulator.
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//
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// Build example
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//
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// dump978.so:
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// $ gcc -c -O2 -g -Wall -Werror -Ifec -fpic -DBUILD_LIB=1 dump978.c fec.c fec/decode_rs_char.c fec/init_rs_char.c
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// $ gcc -shared -lm -o ../libdump978.so dump978.o fec.o decode_rs_char.o init_rs_char.o
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//
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// dump978 go wrapper:
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// $ go build -o dump978.a dump978.go dump978_exports.go
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//
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// uat_read executable:
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// $ go build uat_read.go
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package godump978
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/*
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#cgo linux LDFLAGS: -ldump978 -lm
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#cgo darwin LDFLAGS: -ldump978 -lm
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#cgo windows CFLAGS: -IC:/WINDOWS/system32
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#cgo windows LDFLAGS: -L. -ldump978 -LC:/WINDOWS/system32
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#include <stdlib.h>
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#include <stdint.h>
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#include "../dump978/dump978.h"
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extern void dump978Cb(char updown, uint8_t *data, int len, int rs_errors, int signal_strength);
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static inline CallBack GetGoCb() {
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return (CallBack)dump978Cb;
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}
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*/
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import "C"
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import "unsafe"
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// Current version.
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var PackageVersion = "v0.1"
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// InChan is a buffered input channel for raw data.
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var InChan = make(chan []byte, 100)
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type UserCbT func(C.char, *C.uint8_t, C.int, C.int, C.int)
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func init() {
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C.Dump978Init((C.CallBack)(C.GetGoCb()))
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}
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// ProcessData passes buf (modulated data) to dump978 for demodulation.
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func ProcessData(buf []byte) {
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C.process_data((*C.char)(unsafe.Pointer(&buf[0])), C.int(len(buf)))
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}
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func ProcessDataFromChannel() {
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for {
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inData := <-InChan
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ProcessData(inData)
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}
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}
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