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SPP is now working in Android 4.2 as well!
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2 changed files with 13 additions and 9 deletions
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@ -70,7 +70,6 @@ The BTD library will also make it possible to use multiple services at once, the
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SPP stands for "Serial Port Profile" and is a Bluetooth protocol that implements a virtual comport which allows you to send data back and forth from your computer/phone to your Arduino via Bluetooth.
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SPP stands for "Serial Port Profile" and is a Bluetooth protocol that implements a virtual comport which allows you to send data back and forth from your computer/phone to your Arduino via Bluetooth.
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It has been tested successfully on Windows, Mac OS X, Linux, and Android.
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It has been tested successfully on Windows, Mac OS X, Linux, and Android.
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Unfortunately Google broke something in Android 4.2, so it's currently not working in this version of Android.
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More information can be found at these blog posts:
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More information can be found at these blog posts:
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21
SPP.cpp
21
SPP.cpp
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@ -191,13 +191,7 @@ void SPP::ACLData(uint8_t* l2capinbuf) {
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#endif
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#endif
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} else if (l2capinbuf[6] == sdp_dcid[0] && l2capinbuf[7] == sdp_dcid[1]) { // SDP
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} else if (l2capinbuf[6] == sdp_dcid[0] && l2capinbuf[7] == sdp_dcid[1]) { // SDP
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if (l2capinbuf[8] == SDP_SERVICE_SEARCH_ATTRIBUTE_REQUEST_PDU) {
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if (l2capinbuf[8] == SDP_SERVICE_SEARCH_ATTRIBUTE_REQUEST_PDU) {
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/*
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if (((l2capinbuf[16] << 8 | l2capinbuf[17]) == SERIALPORT_UUID) || ((l2capinbuf[16] << 8 | l2capinbuf[17]) == 0x0000 && (l2capinbuf[18] << 8 | l2capinbuf[19]) == SERIALPORT_UUID)) { // Check if it's sending the full UUID, see: https://www.bluetooth.org/Technical/AssignedNumbers/service_discovery.htm, we will just check the first four bytes
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Serial.print("\r\nUUID: 0x");
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Serial.print(l2capinbuf[16],HEX);
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Serial.print(" ");
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Serial.print(l2capinbuf[17],HEX);
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*/
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if ((l2capinbuf[16] << 8 | l2capinbuf[17]) == SERIALPORT_UUID) {
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if (firstMessage) {
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if (firstMessage) {
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serialPortResponse1(l2capinbuf[9], l2capinbuf[10]);
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serialPortResponse1(l2capinbuf[9], l2capinbuf[10]);
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firstMessage = false;
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firstMessage = false;
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@ -213,8 +207,19 @@ void SPP::ACLData(uint8_t* l2capinbuf) {
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l2capResponse2(l2capinbuf[9], l2capinbuf[10]); // L2CAP continuation state
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l2capResponse2(l2capinbuf[9], l2capinbuf[10]); // L2CAP continuation state
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firstMessage = true;
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firstMessage = true;
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}
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}
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} else
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} else {
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#ifdef EXTRADEBUG
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Notify(PSTR("\r\nLength: "), 0x80);
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uint16_t length = l2capinbuf[11] << 8 | l2capinbuf[12];
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PrintHex<uint16_t> (length, 0x80);
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Notify(PSTR("\r\nData: "), 0x80);
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for (uint8_t i = 0; i < length; i++) {
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PrintHex<uint8_t> (l2capinbuf[13+i], 0x80);
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Notify(PSTR(" "), 0x80);
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}
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#endif
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serviceNotSupported(l2capinbuf[9], l2capinbuf[10]); // The service is not supported
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serviceNotSupported(l2capinbuf[9], l2capinbuf[10]); // The service is not supported
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}
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}
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}
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} else if (l2capinbuf[6] == rfcomm_dcid[0] && l2capinbuf[7] == rfcomm_dcid[1]) { // RFCOMM
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} else if (l2capinbuf[6] == rfcomm_dcid[0] && l2capinbuf[7] == rfcomm_dcid[1]) { // RFCOMM
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rfcommChannel = l2capinbuf[8] & 0xF8;
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rfcommChannel = l2capinbuf[8] & 0xF8;
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