tinygo-org/drivers
1
0
Fork 0
mirror of https://github.com/tinygo-org/drivers.git synced 2026-08-13 11:23:40 +00:00
Code Issues Packages Projects Releases 10 Wiki Activity

espat: implement MQTT subscribe functionality via blocking select/channels.

Browse Source 
also refactor response processing for greater speed and efficiency.

Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2019-09-04 12:13:07 +02:00
committed by Daniel Esteban
parent 2e606b090a
commit 7dcbfbecc6
14 changed files with 851 additions and 247 deletions
Download Patch File Download Diff File Expand all files Collapse all files
espat/net/net.go
+27 -7
View File
@@ -23,7 +23,10 @@ func DialUDP(network string, laddr, raddr *UDPAddr) (*UDPSerialConn, error) {
espat.ActiveDevice.DisconnectSocket()
// connect new socket
espat.ActiveDevice.ConnectUDPSocket(addr, sendport, listenport)
err := espat.ActiveDevice.ConnectUDPSocket(addr, sendport, listenport)
if err != nil {
return nil, err
}
return &UDPSerialConn{SerialConn: SerialConn{Adaptor: espat.ActiveDevice}, laddr: laddr, raddr: raddr}, nil
}
@@ -38,7 +41,10 @@ func ListenUDP(network string, laddr *UDPAddr) (*UDPSerialConn, error) {
espat.ActiveDevice.DisconnectSocket()
// connect new socket
espat.ActiveDevice.ConnectUDPSocket(addr, sendport, listenport)
err := espat.ActiveDevice.ConnectUDPSocket(addr, sendport, listenport)
if err != nil {
return nil, err
}
return &UDPSerialConn{SerialConn: SerialConn{Adaptor: espat.ActiveDevice}, laddr: laddr}, nil
}
@@ -50,11 +56,14 @@ func DialTCP(network string, laddr, raddr *TCPAddr) (*TCPSerialConn, error) {
addr := raddr.IP.String()
sendport := strconv.Itoa(raddr.Port)
// disconnect any old socket
espat.ActiveDevice.DisconnectSocket()
// disconnect any old socket?
//espat.ActiveDevice.DisconnectSocket()
// connect new socket
espat.ActiveDevice.ConnectTCPSocket(addr, sendport)
err := espat.ActiveDevice.ConnectTCPSocket(addr, sendport)
if err != nil {
return nil, err
}
return &TCPSerialConn{SerialConn: SerialConn{Adaptor: espat.ActiveDevice}, laddr: laddr, raddr: raddr}, nil
}
@@ -132,8 +141,19 @@ func (c *SerialConn) Read(b []byte) (n int, err error) {
func (c *SerialConn) Write(b []byte) (n int, err error) {
// specify that is a data transfer to the
// currently open socket, not commands to the ESP8266/ESP32.
c.Adaptor.StartSocketSend(len(b))
return c.Adaptor.Write(b)
err = c.Adaptor.StartSocketSend(len(b))
if err != nil {
return
}
n, err = c.Adaptor.Write(b)
if err != nil {
return n, err
}
_, err = c.Adaptor.Response(1000)
if err != nil {
return n, err
}
return n, err
}
// Close closes the connection.