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FS-5078 gsmopen: adding ussd capabilities, thanks Boris
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Giovanni Maruzzelli committed
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3 files changed
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@@ -1392,6 +1392,69 @@ int gsmopen_serial_read_AT(private_t *tech_pvt, int look_for_ack, int timeout_us
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}
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}
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if ((strncmp(tech_pvt->line_array.result[i], "+CUSD:", 6) == 0)) {
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if (option_debug > 1)
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DEBUGA_GSMOPEN("|%s| USSD received\n", GSMOPEN_P_LOG, tech_pvt->line_array.result[i]);
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int res = 0, status = 0;
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unsigned int dcs = 0;
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char ussd_msg[1024];
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memset(tech_pvt->ussd_message, '\0', sizeof(tech_pvt->ussd_message));
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memset(tech_pvt->ussd_dcs, '\0', sizeof(tech_pvt->ussd_dcs));
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res = sscanf(&tech_pvt->line_array.result[i][6], "%d,\"%1023[0-9A-F]\",%d", &status, ussd_msg, &dcs);
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if (res == 1) {
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NOTICA("received +CUSD with status %d\n", GSMOPEN_P_LOG, status);
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tech_pvt->ussd_received = 1;
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tech_pvt->ussd_status = status;
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} else if (res == 3) {
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tech_pvt->ussd_received = 1;
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tech_pvt->ussd_status = status;
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//identifying dcs alphabet according to GSM 03.38 Cell Broadcast Data Coding Scheme
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//CBDataCodingScheme should be used here, but it appears to be buggy (ucs2 messages are not recognized)
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int alphabet = DCS_RESERVED_ALPHABET;
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if (dcs == 0x11) {
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alphabet = DCS_SIXTEEN_BIT_ALPHABET;
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} else if ((dcs & 0xF0) <= 0x30){
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alphabet = DCS_DEFAULT_ALPHABET;
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} else if ((dcs & 0xC0) == 0x40 || (dcs & 0xF0) == 0x90) {
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alphabet = dcs & (3 << 2);
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};
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if ( (tech_pvt->ussd_response_encoding == USSD_ENCODING_AUTO && alphabet == DCS_DEFAULT_ALPHABET)
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|| tech_pvt->ussd_response_encoding == USSD_ENCODING_HEX_7BIT ) {
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SMSDecoder d(ussd_msg);
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d.markSeptet();
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string ussd_dec = gsmToLatin1(d.getString(strlen(ussd_msg) / 2 * 8 / 7));
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iso_8859_1_to_utf8(tech_pvt, (char *) ussd_dec.c_str(), tech_pvt->ussd_message, sizeof(tech_pvt->ussd_message));
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strcpy(tech_pvt->ussd_dcs, "default alphabet");
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} else if ( (tech_pvt->ussd_response_encoding == USSD_ENCODING_AUTO && alphabet == DCS_SIXTEEN_BIT_ALPHABET)
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|| tech_pvt->ussd_response_encoding == USSD_ENCODING_UCS2 ) {
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ucs2_to_utf8(tech_pvt, ussd_msg, tech_pvt->ussd_message, sizeof(tech_pvt->ussd_message));
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strcpy(tech_pvt->ussd_dcs, "16-bit alphabet");
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} else if ( (tech_pvt->ussd_response_encoding == USSD_ENCODING_AUTO && alphabet == DCS_EIGHT_BIT_ALPHABET)
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|| tech_pvt->ussd_response_encoding == USSD_ENCODING_HEX_8BIT ) {
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char ussd_dec[1024];
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memset(ussd_dec, '\0', sizeof(ussd_dec));
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hexToBuf(ussd_msg, (unsigned char*)ussd_dec);
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iso_8859_1_to_utf8(tech_pvt, (char *) ussd_dec, tech_pvt->ussd_message, sizeof(tech_pvt->ussd_message));
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strcpy(tech_pvt->ussd_dcs, "8-bit alphabet");
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} else if ( tech_pvt->ussd_response_encoding == USSD_ENCODING_PLAIN ) {
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string ussd_dec = gsmToLatin1(ussd_msg);
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iso_8859_1_to_utf8(tech_pvt, (char *) ussd_dec.c_str(), tech_pvt->ussd_message, sizeof(tech_pvt->ussd_message));
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strcpy(tech_pvt->ussd_dcs, "default alphabet");
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} else {
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ERRORA("USSD data coding scheme not supported=%d\n", GSMOPEN_P_LOG, dcs);
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}
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NOTICA("USSD received: status=%d, message='%s', dcs='%d'\n",
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GSMOPEN_P_LOG, tech_pvt->ussd_status, tech_pvt->ussd_message, dcs);
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ussd_incoming(tech_pvt);
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} else {
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ERRORA ("res=%d, +CUSD command has wrong format: %s\n",
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GSMOPEN_P_LOG, res, tech_pvt->line_array.result[i]);
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}
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}
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if ((strncmp(tech_pvt->line_array.result[i], "*ECAV", 5) == 0) || (strncmp(tech_pvt->line_array.result[i], "*ECAM", 5) == 0)) { /* sony-ericsson call processing unsolicited messages */
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int res, ccid, ccstatus, calltype, processid, exitcause, number, type;
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@@ -2858,6 +2921,57 @@ int gsmopen_sendsms(private_t *tech_pvt, char *dest, char *text)
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return RESULT_SUCCESS;
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}
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int gsmopen_ussd(private_t *tech_pvt, char *ussd, int waittime)
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{
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int res = 0;
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DEBUGA_GSMOPEN("gsmopen_ussd: %s\n", GSMOPEN_P_LOG, ussd);
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if (tech_pvt->controldevprotocol == PROTOCOL_AT) {
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char at_command[1024];
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string ussd_enc = latin1ToGsm(ussd);
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SMSEncoder e;
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e.markSeptet();
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e.setString(ussd_enc);
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string ussd_hex = e.getHexString();
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memset(at_command, '\0', sizeof(at_command));
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tech_pvt->ussd_received = 0;
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if (tech_pvt->ussd_request_encoding == USSD_ENCODING_PLAIN
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||tech_pvt->ussd_request_encoding == USSD_ENCODING_AUTO) {
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snprintf(at_command, sizeof(at_command), "AT+CUSD=1,\"%s\",15", ussd_enc.c_str());
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res = gsmopen_serial_write_AT_ack(tech_pvt, at_command);
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if (res && tech_pvt->ussd_request_encoding == USSD_ENCODING_AUTO) {
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DEBUGA_GSMOPEN("Plain request failed, trying HEX7 encoding...\n", GSMOPEN_P_LOG);
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snprintf(at_command, sizeof(at_command), "AT+CUSD=1,\"%s\",15", ussd_hex.c_str());
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res = gsmopen_serial_write_AT_ack(tech_pvt, at_command);
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if (res == 0) {
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DEBUGA_GSMOPEN("HEX 7-bit request encoding will be used from now on\n", GSMOPEN_P_LOG);
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tech_pvt->ussd_request_encoding = USSD_ENCODING_HEX_7BIT;
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}
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}
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} else if (tech_pvt->ussd_request_encoding == USSD_ENCODING_HEX_7BIT) {
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snprintf(at_command, sizeof(at_command), "AT+CUSD=1,\"%s\",15", ussd_hex.c_str());
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res = gsmopen_serial_write_AT_ack(tech_pvt, at_command);
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} else if (tech_pvt->ussd_request_encoding == USSD_ENCODING_HEX_8BIT) {
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string ussd_h8 = bufToHex((const unsigned char*)ussd_enc.c_str(), ussd_enc.length());
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snprintf(at_command, sizeof(at_command), "AT+CUSD=1,\"%s\",15", ussd_h8.c_str());
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res = gsmopen_serial_write_AT_ack(tech_pvt, at_command);
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} else if (tech_pvt->ussd_request_encoding == USSD_ENCODING_UCS2) {
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char ussd_ucs2[1000];
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memset(ussd_ucs2, '\0', sizeof(ussd_ucs2));
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utf8_to_ucs2(tech_pvt, ussd, strlen(ussd), ussd_ucs2, sizeof(ussd_ucs2));
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snprintf(at_command, sizeof(at_command), "AT+CUSD=1,\"%s\",15", ussd_ucs2);
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res = gsmopen_serial_write_AT_ack(tech_pvt, at_command);
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}
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if (res) {
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return res;
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}
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if (waittime > 0)
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res = gsmopen_serial_read_AT(tech_pvt, 1, 0, waittime, "+CUSD", 1);
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}
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return res;
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}
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/************************************************/
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/* LUIGI RIZZO's magic */
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