ppp/modem/ModemDevice.cpp

29 	uint8 buffer[33];
36 		buffer[bufferIndex++] = sDigits[data[index] >> 4];
37 		buffer[bufferIndex++] = sDigits[data[index] & 0x0F];
39 			buffer[bufferIndex] = 0;
40 			TRACE("%s\n", buffer);
97 	uint8 buffer[MODEM_MTU];
101 			|| modem_get_line(handle, (char*) buffer, sizeof(buffer),
103 			|| strcmp((char*) buffer, "OK")) {
110 			|| modem_get_line(handle, (char*) buffer, sizeof(buffer),
112 			|| strncmp((char*) buffer, "CONNECT", 7)) {
117 	if (strlen((char*) buffer) > 8)
118 		device->SetSpeed(atoi((char*) buffer + 8));
131 		// ignore data if buffer is full
135 		length = read(handle, buffer + position, MODEM_MTU - position);
144 			if (buffer[position] == FLAG_SEQUENCE) {
146 					device->DataReceived(buffer, position);
151 				memmove(buffer, buffer + position + 1, length);
159 			if (buffer[position + index] < 0x20) {
165 				buffer[position] = buffer[position + index] ^ 0x20;
168 			} else if (buffer[position + index] == CONTROL_ESCAPE) {
172 				buffer[position] = buffer[position + index];
423 	uint8 buffer[2 * (MODEM_MTU + PACKET_OVERHEAD)];
438 		ERROR("ModemDevice: Failed to access buffer!\n");
450 	buffer[position++] = FLAG_SEQUENCE;
455 			buffer[position++] = CONTROL_ESCAPE;
456 			buffer[position++] = data[index] ^ 0x20;
458 			buffer[position++] = data[index];
460 	buffer[position++] = FLAG_SEQUENCE;
468 	if (write(Handle(), buffer, position) < 0)
477 ModemDevice::DataReceived(uint8 *buffer, uint32 length)
485 	fcs = pppfcs16(fcs, buffer, length - 2);
487 	if (buffer[length - 2] != (fcs & 0x00ff)
488 		|| buffer[length - 1] != (fcs & 0xff00) >> 8) {
493 	if (buffer[0] == ALL_STATIONS && buffer[1] == UI)
494 		buffer += 2;
497 	if (gBufferModule->write(packet, 0, buffer, length - 2) != B_OK) {