simon
efd6260201
UART FIND_ME (client_id 0 = local ring, >0 = unicast), ESPNOW_FIND_ME payload, CLI/dashboard buttons per slave. Co-authored-by: Cursor <cursoragent@cursor.com>
62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"google.golang.org/protobuf/proto"
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"powerpod/gotool/pb"
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)
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func runFindMe(sp *serialPort, args []string) error {
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fs := flag.NewFlagSet("find-me", flag.ExitOnError)
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clientID := fs.Uint("client", 0, "0=master LED ring, >0=ESP-NOW unicast to slave id")
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if err := fs.Parse(args); err != nil {
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return err
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}
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return runFindMeClient(sp, uint32(*clientID))
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}
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func runFindMeClient(sp *serialPort, clientID uint32) error {
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resp, err := sp.espnowFindMe(clientID)
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if err != nil {
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return err
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}
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if !resp.GetSuccess() {
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return fmt.Errorf("find-me rejected (client_id=%d)", resp.GetClientId())
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}
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if clientID == 0 {
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fmt.Println("find-me started on master")
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} else {
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fmt.Printf("find-me sent to slave %d\n", clientID)
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}
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return nil
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}
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func (s *serialPort) espnowFindMe(clientID uint32) (*pb.EspNowFindMeResponse, error) {
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msg := &pb.UartMessage{
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Type: pb.MessageType_FIND_ME,
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Payload: &pb.UartMessage_EspnowFindMeRequest{
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EspnowFindMeRequest: &pb.EspNowFindMeRequest{ClientId: clientID},
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},
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}
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body, err := proto.Marshal(msg)
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if err != nil {
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return nil, fmt.Errorf("encode: %w", err)
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}
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payload := append([]byte{byte(pb.MessageType_FIND_ME)}, body...)
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respPayload, err := s.exchangePayload(payload, "FIND_ME")
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if err != nil {
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return nil, err
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}
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var respMsg pb.UartMessage
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if err := proto.Unmarshal(respPayload[1:], &respMsg); err != nil {
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return nil, fmt.Errorf("decode: %w", err)
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}
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r := respMsg.GetEspnowFindMeResponse()
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if r == nil {
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return nil, fmt.Errorf("missing espnow_find_me_response")
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}
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return r, nil
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}
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