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Windows can now also send data to the Arduino

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This commit is contained in:
Kristian Lauszus 2012-07-27 00:02:13 +02:00
parent 85af55e0aa
commit 2d4548e310
2 changed files with 53 additions and 26 deletions
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71
RFCOMM.cpp
View file

@ -769,6 +769,7 @@ void RFCOMM::ACL_event_task()
if(rfcommChannel>>3 != 0x00) if(rfcommChannel>>3 != 0x00)
rfcommChannelPermanent = rfcommChannel; rfcommChannelPermanent = rfcommChannel;
#ifdef EXTRADEBUG #ifdef EXTRADEBUG
Notify(PSTR("\r\nRFCOMM Channel: ")); Notify(PSTR("\r\nRFCOMM Channel: "));
Serial.print(rfcommChannel>>3,HEX); Serial.print(rfcommChannel>>3,HEX);
@ -781,6 +782,14 @@ void RFCOMM::ACL_event_task()
Notify(PSTR(" PF_BIT: ")); Notify(PSTR(" PF_BIT: "));
Serial.print(rfcommPfBit,HEX); Serial.print(rfcommPfBit,HEX);
#endif #endif
if (rfcommChannelType == RFCOMM_DISC) {
#ifdef DEBUG
Notify(PSTR("\r\nReceived Disconnect RFCOMM Command"));
#endif
connected = false;
l2cap_disconnection_request(0x0A, rfcomm_dcid, rfcomm_scid);
}
if(connected) { if(connected) {
readReport(); readReport();
#ifdef PRINTREPORT #ifdef PRINTREPORT
@ -807,30 +816,39 @@ void RFCOMM::ACL_event_task()
rfcommbuf[8] = 0x00; // MaxRatransm. rfcommbuf[8] = 0x00; // MaxRatransm.
rfcommbuf[9] = 0x00; // Number of Frames rfcommbuf[9] = 0x00; // Number of Frames
sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x0A); sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x0A);
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_MSC_CMD) { // UIH Modem Status Command } else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_MSC_CMD) { // UIH Modem Status Command
#ifdef DEBUG
Notify(PSTR("\r\nUIH Modem Status Command"));
#endif
rfcommbuf[0] = BT_RFCOMM_MSC_CMD; // UIH Modem Status Command
rfcommbuf[1] = 2 << 1 | 1; // Length and shiftet like so: length << 1 | 1
rfcommbuf[2] = l2capinbuf[13]; // Channel: (1 << 0) | (1 << 1) | (0 << 2) | (channel << 3)
rfcommbuf[3] = 0x0D; // Can receive frames (YES), Ready to Communicate (YES), Ready to Receive (YES), Incomig Call (NO), Data is Value (NO)
sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x04);
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_MSC_RSP) { // UIH Modem Status Response
#ifdef DEBUG #ifdef DEBUG
Notify(PSTR("\r\nUIH Modem Status Response")); Notify(PSTR("\r\nUIH Modem Status Response"));
#endif #endif
rfcommbuf[0] = BT_RFCOMM_MSC_RSP; // UIH Modem Status Response rfcommbuf[0] = BT_RFCOMM_MSC_RSP; // UIH Modem Status Response
rfcommbuf[1] = 2 << 1 | 1; // Length and shiftet like so: length << 1 | 1 rfcommbuf[1] = 2 << 1 | 1; // Length and shiftet like so: length << 1 | 1
rfcommbuf[2] = l2capinbuf[13]; // Channel: (1 << 0) | (1 << 1) | (0 << 2) | (channel << 3) rfcommbuf[2] = l2capinbuf[13]; // Channel: (1 << 0) | (1 << 1) | (0 << 2) | (channel << 3)
rfcommbuf[3] = 0x8D; // Can receive frames (YES), Ready to Communicate (YES), Ready to Receive (YES), Incomig Call (NO), Data is Value (YES) rfcommbuf[3] = l2capinbuf[14];
sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x04); sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x04);
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[10] == 0x01) { // UIH Command with credit
delay(1);
#ifdef DEBUG
Notify(PSTR("\r\nUIH Modem Status Command"));
#endif
rfcommbuf[0] = BT_RFCOMM_MSC_CMD; // UIH Modem Status Command
rfcommbuf[1] = 2 << 1 | 1; // Length and shiftet like so: length << 1 | 1
rfcommbuf[2] = l2capinbuf[13]; // Channel: (1 << 0) | (1 << 1) | (0 << 2) | (channel << 3)
rfcommbuf[3] = 0x8D; // Can receive frames (YES), Ready to Communicate (YES), Ready to Receive (YES), Incomig Call (NO), Data is Value (YES)
sendRfcomm(rfcommChannel,rfcommDirection,0,RFCOMM_UIH,rfcommPfBit,rfcommbuf,0x04);
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_MSC_RSP) { // UIH Modem Status Response
if(!creditSent) {
#ifdef DEBUG #ifdef DEBUG
Notify(PSTR("\r\nUIH Command with credit")); Notify(PSTR("\r\nUIH Command with credit"));
#endif #endif
sendRfcommCredit(rfcommChannelPermanent,rfcommDirection,0,RFCOMM_UIH,0x10,0xFF); // 255 credit sendRfcommCredit(rfcommChannelPermanent,rfcommDirection,0,RFCOMM_UIH,0x10,0xFF); // 255 credit
creditSent = true;
}
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[10] == 0x01) { // UIH Command with credit
#ifdef DEBUG
Notify(PSTR("\r\nReceived credit"));
#endif
timer = millis(); timer = millis();
waitForLastCommand = true; waitForLastCommand = true;
} else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_RPN_CMD) { // UIH Remote Port Negotiation Command } else if(rfcommChannelType == RFCOMM_UIH && l2capinbuf[11] == BT_RFCOMM_RPN_CMD) { // UIH Remote Port Negotiation Command
@ -852,21 +870,22 @@ void RFCOMM::ACL_event_task()
Notify(PSTR("\r\nRFCOMM Connection is now established\r\n")); Notify(PSTR("\r\nRFCOMM Connection is now established\r\n"));
#endif #endif
waitForLastCommand = false; waitForLastCommand = false;
creditSent = false;
connected = true; // The RFCOMM channel is now established connected = true; // The RFCOMM channel is now established
} } else if(rfcommChannelType != RFCOMM_DISC) {
else if (rfcommChannelType == RFCOMM_DISC) {
#ifdef DEBUG
Notify(PSTR("\r\nReceived Disconnect RFCOMM Command"));
#endif
l2cap_disconnection_request(0x0A, rfcomm_dcid, rfcomm_scid);
} else {
#ifdef DEBUG #ifdef DEBUG
Notify(PSTR("\r\nUnsupported RFCOMM - ChannelType: ")); Notify(PSTR("\r\nUnsupported RFCOMM - ChannelType: "));
PrintHex<uint8_t>(rfcommChannelType); PrintHex<uint8_t>(rfcommChannelType);
#endif #endif
} }
} }
} else {
#ifdef EXTRADEBUG
Notify(PSTR("\r\nUnsupported L2CAP Data: Channel ID: "));
PrintHex<uint8_t>(l2capinbuf[7]);
Notify(PSTR(" "));
PrintHex<uint8_t>(l2capinbuf[6]);
#endif
} }
SDP_task(); SDP_task();
RFCOMM_task(); RFCOMM_task();
@ -945,8 +964,9 @@ void RFCOMM::RFCOMM_task()
if(!connected) { if(!connected) {
if((millis() - timer) > 100 && waitForLastCommand) { // We will only wait 100ms and see if the UIH Remote Port Negotiation Command is send, as some deviced don't send it if((millis() - timer) > 100 && waitForLastCommand) { // We will only wait 100ms and see if the UIH Remote Port Negotiation Command is send, as some deviced don't send it
#ifdef DEBUG #ifdef DEBUG
Notify(PSTR("\r\nRFCOMM Connection is now established\r\n")); Notify(PSTR("\r\nRFCOMM Connection is now established - Automatic\r\n"));
#endif #endif
creditSent = false;
waitForLastCommand = false; waitForLastCommand = false;
connected = true; // The RFCOMM channel is now established connected = true; // The RFCOMM channel is now established
@ -1009,8 +1029,15 @@ void RFCOMM::readReport() {
if(rfcommAvailable + length > 256) if(rfcommAvailable + length > 256)
return; // Return if the buffer would be full return; // Return if the buffer would be full
uint8_t offset;
if(l2capinbuf[4] == length+4) {
offset = 0;
}
else
offset = 1; // There must be credit
for(uint8_t i = 0; i < length; i++) for(uint8_t i = 0; i < length; i++)
rfcommDataBuffer[rfcommAvailable+i] = l2capinbuf[11+i]; rfcommDataBuffer[rfcommAvailable+i] = l2capinbuf[11+i+offset];
rfcommAvailable += length; rfcommAvailable += length;
#ifdef EXTRADEBUG #ifdef EXTRADEBUG
Notify(PSTR("\r\nRFCOMM Data Available: ")); Notify(PSTR("\r\nRFCOMM Data Available: "));

2
RFCOMM.h
View file

@ -275,7 +275,7 @@ private:
unsigned long timer; unsigned long timer;
bool waitForLastCommand; bool waitForLastCommand;
bool creditSent;
uint8_t rfcommDataBuffer[256]; // Create a 256 sized buffer for incoming data uint8_t rfcommDataBuffer[256]; // Create a 256 sized buffer for incoming data
uint8_t rfcommAvailable; uint8_t rfcommAvailable;