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-rw-r--r--car/elegoo/elegoo.pb.go56
-rw-r--r--car/elegoo/elegoo.proto9
-rw-r--r--car/elegoo/main.go42
3 files changed, 64 insertions, 43 deletions
diff --git a/car/elegoo/elegoo.pb.go b/car/elegoo/elegoo.pb.go
index e07627e..b29cb8f 100644
--- a/car/elegoo/elegoo.pb.go
+++ b/car/elegoo/elegoo.pb.go
@@ -31,7 +31,8 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type Command struct {
LeftSpeed int32 `protobuf:"varint,1,opt,name=LeftSpeed" json:"LeftSpeed,omitempty"`
RightSpeed int32 `protobuf:"varint,2,opt,name=RightSpeed" json:"RightSpeed,omitempty"`
- TurnHead int32 `protobuf:"varint,3,opt,name=TurnHead" json:"TurnHead,omitempty"`
+ TurnHead int32 `protobuf:"zigzag32,3,opt,name=TurnHead" json:"TurnHead,omitempty"`
+ Center bool `protobuf:"varint,4,opt,name=Center" json:"Center,omitempty"`
}
func (m *Command) Reset() { *m = Command{} }
@@ -60,11 +61,18 @@ func (m *Command) GetTurnHead() int32 {
return 0
}
+func (m *Command) GetCenter() bool {
+ if m != nil {
+ return m.Center
+ }
+ return false
+}
+
type Event struct {
Distance int32 `protobuf:"varint,1,opt,name=Distance" json:"Distance,omitempty"`
- SensorA bool `protobuf:"varint,2,opt,name=SensorA" json:"SensorA,omitempty"`
- SensorB bool `protobuf:"varint,3,opt,name=SensorB" json:"SensorB,omitempty"`
- SensorC bool `protobuf:"varint,4,opt,name=SensorC" json:"SensorC,omitempty"`
+ SensorR bool `protobuf:"varint,2,opt,name=SensorR" json:"SensorR,omitempty"`
+ SensorC bool `protobuf:"varint,3,opt,name=SensorC" json:"SensorC,omitempty"`
+ SensorL bool `protobuf:"varint,4,opt,name=SensorL" json:"SensorL,omitempty"`
KeyPress uint32 `protobuf:"varint,5,opt,name=KeyPress" json:"KeyPress,omitempty"`
}
@@ -80,23 +88,23 @@ func (m *Event) GetDistance() int32 {
return 0
}
-func (m *Event) GetSensorA() bool {
+func (m *Event) GetSensorR() bool {
if m != nil {
- return m.SensorA
+ return m.SensorR
}
return false
}
-func (m *Event) GetSensorB() bool {
+func (m *Event) GetSensorC() bool {
if m != nil {
- return m.SensorB
+ return m.SensorC
}
return false
}
-func (m *Event) GetSensorC() bool {
+func (m *Event) GetSensorL() bool {
if m != nil {
- return m.SensorC
+ return m.SensorL
}
return false
}
@@ -116,17 +124,19 @@ func init() {
func init() { proto.RegisterFile("elegoo.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
- // 192 bytes of a gzipped FileDescriptorProto
- 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xe2, 0x49, 0xcd, 0x49, 0x4d,
- 0xcf, 0xcf, 0xd7, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x57, 0x4a, 0xe6, 0x62, 0x77, 0xce, 0xcf, 0xcd,
- 0x4d, 0xcc, 0x4b, 0x11, 0x92, 0xe1, 0xe2, 0xf4, 0x49, 0x4d, 0x2b, 0x09, 0x2e, 0x48, 0x4d, 0x4d,
- 0x91, 0x60, 0x54, 0x60, 0xd4, 0x60, 0x0d, 0x42, 0x08, 0x08, 0xc9, 0x71, 0x71, 0x05, 0x65, 0xa6,
- 0x67, 0x40, 0xa5, 0x99, 0xc0, 0xd2, 0x48, 0x22, 0x42, 0x52, 0x5c, 0x1c, 0x21, 0xa5, 0x45, 0x79,
- 0x1e, 0xa9, 0x89, 0x29, 0x12, 0xcc, 0x60, 0x59, 0x38, 0x5f, 0xa9, 0x97, 0x91, 0x8b, 0xd5, 0xb5,
- 0x2c, 0x35, 0xaf, 0x04, 0xa4, 0xca, 0x25, 0xb3, 0xb8, 0x24, 0x31, 0x2f, 0x39, 0x15, 0x6a, 0x05,
- 0x9c, 0x2f, 0x24, 0xc1, 0xc5, 0x1e, 0x9c, 0x9a, 0x57, 0x9c, 0x5f, 0xe4, 0x08, 0x36, 0x9e, 0x23,
- 0x08, 0xc6, 0x45, 0xc8, 0x38, 0x81, 0x8d, 0x86, 0xcb, 0x38, 0x21, 0x64, 0x9c, 0x25, 0x58, 0x90,
- 0x65, 0x9c, 0x41, 0x36, 0x79, 0xa7, 0x56, 0x06, 0x14, 0xa5, 0x16, 0x17, 0x4b, 0xb0, 0x2a, 0x30,
- 0x6a, 0xf0, 0x06, 0xc1, 0xf9, 0x4e, 0x6c, 0x51, 0x2c, 0xb9, 0x89, 0x99, 0x79, 0x49, 0x6c, 0xe0,
- 0x30, 0x30, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xb3, 0x2f, 0x3b, 0x79, 0x13, 0x01, 0x00, 0x00,
+ // 209 bytes of a gzipped FileDescriptorProto
+ 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0x90, 0xbd, 0x4a, 0xc0, 0x30,
+ 0x14, 0x46, 0x89, 0xf6, 0xcf, 0x8b, 0x0e, 0x66, 0x90, 0x20, 0x22, 0xa1, 0x53, 0x26, 0x17, 0xdf,
+ 0xc0, 0x28, 0x08, 0x76, 0x90, 0xd4, 0xc9, 0x2d, 0xda, 0x6b, 0x2d, 0xd8, 0xa4, 0x24, 0x51, 0x10,
+ 0x9f, 0xc1, 0x77, 0x96, 0x86, 0x34, 0x75, 0x3c, 0xdf, 0xe1, 0x72, 0xe0, 0xc2, 0x31, 0x7e, 0xe0,
+ 0x68, 0xed, 0xd5, 0xe2, 0x6c, 0xb0, 0xed, 0x0f, 0xd4, 0xd2, 0xce, 0xb3, 0x36, 0x03, 0xbd, 0x80,
+ 0xa3, 0x0e, 0xdf, 0x42, 0xbf, 0x20, 0x0e, 0x8c, 0x70, 0x22, 0x4a, 0xb5, 0x0f, 0xf4, 0x12, 0x40,
+ 0x4d, 0xe3, 0x7b, 0xd2, 0x07, 0x51, 0xff, 0x5b, 0xe8, 0x39, 0x34, 0x4f, 0x9f, 0xce, 0xdc, 0xa3,
+ 0x1e, 0xd8, 0x21, 0x27, 0xe2, 0x54, 0x65, 0xa6, 0x67, 0x50, 0x49, 0x34, 0x01, 0x1d, 0x2b, 0x38,
+ 0x11, 0x8d, 0x4a, 0xd4, 0xfe, 0x12, 0x28, 0xef, 0xbe, 0xd0, 0x84, 0xf5, 0xfa, 0x76, 0xf2, 0x41,
+ 0x9b, 0x57, 0x4c, 0xe9, 0xcc, 0x94, 0x41, 0xdd, 0xa3, 0xf1, 0xd6, 0xa9, 0x98, 0x6d, 0xd4, 0x86,
+ 0xbb, 0x91, 0x31, 0x99, 0x8d, 0xdc, 0x4d, 0x97, 0x92, 0x1b, 0xae, 0xa5, 0x07, 0xfc, 0x7e, 0x74,
+ 0xe8, 0x3d, 0x2b, 0x39, 0x11, 0x27, 0x2a, 0xf3, 0x4d, 0xf5, 0x5c, 0xcc, 0x7a, 0x32, 0x2f, 0x55,
+ 0xfc, 0xcd, 0xf5, 0x5f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x81, 0x6c, 0x06, 0xb3, 0x2b, 0x01, 0x00,
+ 0x00,
}
diff --git a/car/elegoo/elegoo.proto b/car/elegoo/elegoo.proto
index 2915a11..bb72aac 100644
--- a/car/elegoo/elegoo.proto
+++ b/car/elegoo/elegoo.proto
@@ -5,13 +5,14 @@ option go_package = "main";
message Command {
int32 LeftSpeed = 1;
int32 RightSpeed = 2;
- int32 TurnHead = 3;
+ sint32 TurnHead = 3; // ±90 deg
+ bool Center = 4;
}
message Event {
int32 Distance = 1;
- bool SensorA = 2;
- bool SensorB = 3;
- bool SensorC = 4;
+ bool SensorR = 2;
+ bool SensorC = 3;
+ bool SensorL = 4;
uint32 KeyPress = 5;
}
diff --git a/car/elegoo/main.go b/car/elegoo/main.go
index b750922..e73b731 100644
--- a/car/elegoo/main.go
+++ b/car/elegoo/main.go
@@ -4,10 +4,12 @@ package main
//go:generate sh -c "protoc --nanopb_out=.. *.proto"
import (
+ "bufio"
"io"
"log"
"time"
+ "github.com/dim13/cobs"
"github.com/golang/protobuf/proto"
"github.com/tarm/serial"
)
@@ -18,19 +20,19 @@ func Write(w io.Writer, pb proto.Message) error {
if err != nil {
return err
}
- log.Println("write: % x", buf.Bytes()) // DEBUG
- _, err = w.Write(buf.Bytes())
+ log.Printf("write: % x", buf.Bytes()) // DEBUG
+ block := cobs.Encode(buf.Bytes())
+ _, err = w.Write(block)
return err
}
-func Read(r io.Reader, pb proto.Message) error {
- buf := make([]byte, 80)
- n, err := r.Read(buf)
+func Read(buf *bufio.Reader, pb proto.Message) error {
+ block, err := buf.ReadBytes(0)
if err != nil {
return err
}
- log.Println("read: % x", buf[:n]) // DEBUG
- return proto.NewBuffer(buf[:n]).DecodeMessage(pb)
+ block = cobs.Decode(block)
+ return proto.NewBuffer(block).DecodeMessage(pb)
}
// /dev/cu.Elegoo-DevB
@@ -38,7 +40,7 @@ func Read(r io.Reader, pb proto.Message) error {
func main() {
c := &serial.Config{
- Name: "/dev/cu.usbmodem1421",
+ Name: "/dev/tty.usbmodem1411",
Baud: 57600,
}
s, err := serial.OpenPort(c)
@@ -47,16 +49,24 @@ func main() {
}
defer s.Close()
- //cmd := &Command{}
- //Write(s, cmd)
-
go func() {
- for {
- evt := &Event{}
- Read(s, evt)
- log.Println(evt)
+ cmd := &Command{}
+ for i := -45; i < 45; i += 5 {
+ cmd.TurnHead = int32(i)
+ Write(s, cmd)
+ time.Sleep(time.Second / 2)
}
+ cmd.TurnHead = 0
+ cmd.Center = true
+ Write(s, cmd)
}()
- time.Sleep(time.Minute)
+ buf := bufio.NewReader(s)
+ for {
+ evt := &Event{}
+ if err := Read(buf, evt); err != nil {
+ log.Println("ERR", err)
+ }
+ log.Println(evt)
+ }
}