specchioriflesso/USB_Host_Shield_2.0
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Now sends credit, so the communication never terminates

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The Arduino has to keep sending credit, so the other device knows that
it can keep sending bytes to the Arduino
This commit is contained in:
Kristian Lauszus 2012-08-02 00:48:14 +02:00
parent b833daeec7
commit 8b7efc3ed6
2 changed files with 13 additions and 2 deletions
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12
RFCOMM.cpp
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@ -1001,7 +1001,8 @@ void RFCOMM::RFCOMM_task()
#ifdef DEBUG
Notify(PSTR("\r\nRFCOMM Successfully Configured"));
#endif
rfcommAvailable = 0; // Reset numbers of bytes available
rfcommAvailable = 0; // Reset number of bytes available
bytesReceived = 0; // Reset number of bytes received
RFCOMMConnected = true;
l2cap_rfcomm_state = L2CAP_RFCOMM_DONE;
}
@ -1035,6 +1036,15 @@ void RFCOMM::readReport() {
for(uint8_t i = 0; i < length; i++)
rfcommDataBuffer[rfcommAvailable+i] = l2capinbuf[11+i+offset];
rfcommAvailable += length;
bytesReceived += length;
if(bytesReceived > 200) {
bytesReceived = 0;
sendRfcommCredit(rfcommChannelPermanent,rfcommDirection,0,RFCOMM_UIH,0x10,0xFF); // Send 255 more credit
#ifdef EXTRADEBUG
Notify(PSTR("\r\nSent more credit"));
#endif
}
#ifdef EXTRADEBUG
Notify(PSTR("\r\nRFCOMM Data Available: "));
Serial.print(rfcommAvailable);

3
RFCOMM.h
View file

@ -286,7 +286,8 @@ private:
uint8_t rfcommDataBuffer[256]; // Create a 256 sized buffer for incoming data
uint8_t rfcommAvailable;
bool firstMessage; // Used to see if it's the first SDP request received
bool firstMessage; // Used to see if it's the first SDP request received
uint8_t bytesReceived; // Counter to see when it's time to send more credit
/* State machines */
void HCI_event_task(); //poll the HCI event pipe