eda: drop id field from Device, drop difIDFrom func

Author: sbinet

eda/device.go

@@ -27,8 +27,6 @@ import (
 
 const (
 	nRFM        = 4
-	difIDOffset = 0x00
-
 	nHR         = 8
 	nBitsCfgHR  = 872
 	nBytesCfgHR = 109
@@ -59,8 +57,7 @@ var _ device = (*Device)(nil)
 // Device represents an EDA board device.
 type Device struct {
 	msg  *log.Logger
-	id   uint32 // [0,8)
-	rfms []int  // list of enabled RFM slots
+	rfms []int // list of enabled RFM slots
 	mem  struct {
 		fd  *os.File
 		lw  *mmap.Handle

eda/device_test.go

@@ -18,11 +18,6 @@ import (
 )
 
 func TestRun(t *testing.T) {
-	const (
-		daqAddr = ":9999"
-		edaID   = 1
-	)
-
 	sink := func(done chan int, rfm int) string {
 		srv, err := net.Listen("tcp", ":0")
 		if err != nil {
@@ -131,7 +126,6 @@ func TestRun(t *testing.T) {
 			}
 			defer dev.Close()
 
-			dev.id = edaID
 			dev.rfms = []int{tc.rfm}
 			dev.cfg.daq.addrs = []string{rfmAddr}
 

eda/pio.go

@@ -1825,10 +1825,6 @@ func (dev *Device) daqFIFOFillLevel(rfm int) uint32 {
 // 	return nRAMUnits
 // }
 
-func difIDFrom(id uint32, rfm int) byte {
-	return difIDOffset + byte(id&7)<<3 + byte(rfm)&3
-}
-
 func (dev *Device) daqWriteDIFData(w io.Writer, slot int) {
 	var (
 		rfm  = &dev.daq.rfm[slot]

eda/standalone.go

@@ -26,7 +26,6 @@ func newStandalone(odir, devmem, devshm string, run int, opts ...Option) (*stand
 	if err != nil {
 		return nil, fmt.Errorf("could not create EDA device: %w", err)
 	}
-	dev.id = 1
 	srv := &standalone{
 		dev:  dev,
 		run:  uint32(run),