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Add network device driver model, netdev

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This commit is contained in:
Scott Feldman
2023-03-28 12:18:59 -07:00
committed by Ron Evans
parent 00b1b4fbfb
commit 276feecc20
128 changed files with 6389 additions and 15539 deletions
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rtl8720dn/rpc_util.go
+7 -9
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@@ -9,7 +9,7 @@ var (
headerBuf [4]byte
readBuf [4]byte
startWriteMessageBuf [1024]byte
payload [1024 + 256]byte
payload [2048]byte
)
const (
@@ -30,7 +30,7 @@ func startWriteMessage(msgType, service, requestNumber, sequence uint32) []byte
return startWriteMessageBuf[:8]
}
func (r *RTL8720DN) performRequest(msg []byte) error {
func (r *rtl8720dn) performRequest(msg []byte) {
crc := computeCRC16(msg)
headerBuf[0] = byte(len(msg))
headerBuf[1] = byte(len(msg) >> 8)
@@ -43,16 +43,14 @@ func (r *RTL8720DN) performRequest(msg []byte) error {
fmt.Printf("\r\n")
}
r.port.Write(headerBuf[:])
r.uart.Write(headerBuf[:])
if r.debug {
fmt.Printf("tx : %2d : ", len(msg))
dumpHex(msg)
fmt.Printf("\r\n")
}
r.port.Write(msg)
return nil
r.uart.Write(msg)
}
func dumpHex(b []byte) {
@@ -65,9 +63,9 @@ func dumpHex(b []byte) {
}
}
func (r *RTL8720DN) read() {
func (r *rtl8720dn) read() {
for {
n, _ := io.ReadFull(r.port, readBuf[:4])
n, _ := io.ReadFull(r.uart, readBuf[:4])
if n == 0 {
continue
}
@@ -81,7 +79,7 @@ func (r *RTL8720DN) read() {
length := uint16(readBuf[0]) + uint16(readBuf[1])<<8
crc := uint16(readBuf[2]) + uint16(readBuf[3])<<8
n, _ = io.ReadFull(r.port, payload[:length])
n, _ = io.ReadFull(r.uart, payload[:length])
if r.debug {
fmt.Printf("rx : %2d : ", length)
dumpHex(payload[0:n])