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This commit is contained in:
nanosonde 2019-11-26 15:32:52 +01:00
parent 54484e1a92
commit 4a2eb12ed3
2 changed files with 38 additions and 27 deletions
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64
src/knx/usb_tunnel_interface.cpp
View File

@ -260,6 +260,41 @@ void UsbTunnelInterface::loadNextRxBuffer(uint8_t** receiveBuffer, uint16_t* rec
delete rx_buffer;
}
void UsbTunnelInterface::handleTransferProtocolPacket(uint8_t* data, uint16_t length)
{
if (data[0] == 0x00 && // Protocol version (fixed 0x00)
data[1] == 0x08) // USB KNX Transfer Protocol Header Length (fixed 0x08)
{
uint16_t bodyLength;
popWord(bodyLength, (uint8_t*)&data[2]); // KNX USB Transfer Protocol Body length
if (data[4] == (uint8_t) BusAccessServer) // Bus Access Server Feature (0x0F)
{
handleBusAccessServerProtocol((ServiceIdType)data[5], &data[8], bodyLength);
}
else if (data[4] == (uint8_t) KnxTunneling) // KNX Tunneling (0x01)
{
if (data[5] == (uint8_t) CEMI) // EMI type: only cEMI supported (0x03))
{
// Prepare the cEMI frame
CemiFrame frame((uint8_t*)&data[8], bodyLength);
/*
print("cEMI USB RX len: ");
print(length);
print(" data: ");
printHex(" data: ", buffer, length);
*/
_cemiServer.frameReceived(frame);
}
else
{
println("Error: Only cEMI is supported!");
}
}
}
}
void UsbTunnelInterface::handleHidReportRxQueue()
{
uint8_t* data;
@ -291,32 +326,7 @@ void UsbTunnelInterface::handleHidReportRxQueue()
Serial1.println("");
#endif
if (data[3] == 0x00 && // Protocol version (fixed 0x00)
data[4] == 0x08) // USB KNX Transfer Protocol Header Length (fixed 0x08)
{
uint16_t bodyLength;
popWord(bodyLength, (uint8_t*)&data[5]); // KNX USB Transfer Protocol Body length
if (data[7] == (uint8_t) BusAccessServer) // Bus Access Server Feature (0x0F)
{
handleBusAccessServerProtocol((ServiceIdType)data[8], &data[11], packetLength + HID_HEADER_SIZE);
}
else if (data[7] == (uint8_t) KnxTunneling && // KNX Tunneling (0x01)
data[8] == (uint8_t) CEMI) // EMI type: only cEMI supported (0x03)
{
// Prepare the cEMI frame
CemiFrame frame((uint8_t*)&data[11], bodyLength);
/*
print("cEMI USB RX len: ");
print(length);
print(" data: ");
printHex(" data: ", buffer, length);
*/
_cemiServer.frameReceived(frame);
}
}
handleTransferProtocolPacket(&data[3], packetLength);
}
delete data;
@ -402,7 +412,7 @@ void UsbTunnelInterface::handleBusAccessServerProtocol(ServiceIdType servId, con
const uint8_t UsbTunnelInterface::descHidReport[] =
{
//TUD_HID_REPORT_DESC_KNXHID_INOUT(64)
0x06, 0xA0, 0xFF, // Usage Page (Vendor Defined 0xFFA0)
0x06, 0xA0, 0xFF, // Usage Page (Vendor Defined 0xFFA0)
0x09, 0x01, // Usage (0x01)
0xA1, 0x01, // Collection (Application)
0x09, 0x01, // Usage (0x01)

1
src/knx/usb_tunnel_interface.h
View File

@ -88,6 +88,7 @@ class UsbTunnelInterface
void loadNextRxBuffer(uint8_t** receiveBuffer, uint16_t* receiveBufferLength);
static bool rxHaveCompletePacket;
void handleTransferProtocolPacket(uint8_t* data, uint16_t length);
void handleHidReportRxQueue();
void handleBusAccessServerProtocol(ServiceIdType servId, const uint8_t* requestData, uint16_t packetLength);
void sendKnxHidReport(ProtocolIdType protId, ServiceIdType servId, uint8_t* data, uint16_t length);