tetra-pnet/tetra-pei
1
0
Fork 0
mirror of https://github.com/ftl/tetra-pei.git synced 2025-04-02 20:07:30 +02:00
Code Issues Projects Releases Packages Wiki Activity

implement the full Interface/Func pattern

Browse source
This commit is contained in:
Florian Thienel 2021-09-26 15:27:14 +02:00
parent 978f47a1c5
commit a20458a904
1 changed files with 12 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
sds/command.go
View file

@ -20,8 +20,16 @@ func (f EncoderFunc) Encode() ([]byte, int) {
return f()
}
type Requester interface {
Request(context.Context, string) ([]string, error)
}
type RequesterFunc func(context.Context, string) ([]string, error)
func (f RequesterFunc) Request(ctx context.Context, request string) ([]string, error) {
return f(ctx, request)
}
const (
// CRLF line ending for AT commands
CRLF = "\x0d\x0a"
@ -35,18 +43,18 @@ const (
)
// SendMessage according to [PEI] 6.13.2
func SendMessage(destination tetra.Identity, sds Encoder) string {
func SendMessage(destination tetra.Identity, message Encoder) string {
pdu := make([]byte, 0, 256)
pduBits := 0
pdu, pduBits = sds.Encode(pdu, pduBits)
pdu, pduBits = message.Encode(pdu, pduBits)
return fmt.Sprintf("AT+CMGS=%s,%d"+CRLF+"%s"+CtrlZ, destination, pduBits, tetra.BinaryToHex(pdu))
}
var sendMessageDescription = regexp.MustCompile(`^\+CMGS: .+\(\d*-(\d*)\)$`)
// RequestMaxMessagePDUBits uses the given RequesterFunc to find out how many bits a message PDU may have (see [PEI] 6.13.2).
func RequestMaxMessagePDUBits(ctx context.Context, requester RequesterFunc) (int, error) {
responses, err := requester(ctx, "AT+CMGS=?")
func RequestMaxMessagePDUBits(ctx context.Context, requester Requester) (int, error) {
responses, err := requester.Request(ctx, "AT+CMGS=?")
if err != nil {
return 0, err
}