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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents 8cf7d41f2821
children
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1 FreeCalypso User Phone Tools are a new software addition to the FreeCalypso
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2 family. These tools are programs that run on a Unix host computer such as a
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3 GNU/Linux PC or laptop and communicate with a FreeCalypso phone or modem via
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4 the standard AT command interface, rather than any of the formerly proprietary
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5 interfaces specific to TI's internal architecture. The following tools are
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6 currently available:
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7
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8 fcup-at Issues an arbitrary AT command given on the command line.
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9
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10 fcup-settime Issues AT+CCLK command to the target to set its clock to the
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11 host computer's notion of local time.
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12
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13 fcup-smdump Retrieves a dump of SMS records (received, sent or stored
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14 messages) from the FC device's SMS storage (currently SIM
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15 storage; ME storage may be implemented in the future),
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16 optionally deleting them from the severely space-limited
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17 SIM/ME storage afterward.
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18
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19 fcup-smsend* Tools for sending outgoing SMS from a host computer through a
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20 FreeCalypso phone or modem and/or writing such outgoing SMS
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21 into the FC device's SMS storage.
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22
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23 fcup-smwrite Debug and development tool: writes arbitrary message records
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24 into the FC device's SMS storage (currently SIM storage) in any
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25 of the possible 4 states, with arbitrary incoming or outgoing
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26 SMS PDU content.
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27
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28 Because these tools communicate with the target via standards-defined AT
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29 commands, in theory they ought to work with any AT-command-speaking 3GPP phone
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30 or modem and not just our own FreeCalypso. However, experience has shown that
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31 in the case of the common proprietary implementations, practice does not match
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32 theory: when I (Mychaela) tried these same AT commands against a random
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33 off-the-shelf proprietary modem (Huawei E303 USB stick modem for 3G), the
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34 following problems were seen:
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35
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36 * The essential AT+CMGL=4 command for retrieving the full set of SMS records
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37 from SIM storage in PDU mode appears to be broken: all I got was a hang.
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38 Its text mode counterpart AT+CMGL="ALL" produces incomplete output.
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39
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40 * Qualcomm/Huawei's implementation of the AT command interface does not allow
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41 AT+CSCS to be set to "HEX"; our fcup-smdump implementation uses this setting
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42 so that the phonebook names returned along with SMS PDUs in the +CMGL
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43 responses can be parsed reliably no matter what weird characters they might
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44 contain.
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45
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46 * Setting AT+CSCS to "8859-1" is not supported either; this setting is used by
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47 our fcup-smsend and fcup-smsendmult tools when sending in text mode.
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48
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49 * Sending outgoing SMS with fcup-smsend in PDU mode (which does not touch
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50 AT+CSCS) works in that the message goes out, but the tool complains afterward
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51 because the echo after the ^Z is different from what our tools expect.
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52
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53 Because of these quirks, our FC User Phone Tools officially work only with our
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54 own FreeCalypso phones and modems, and are not expected to work against various
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55 proprietary implementations. Let us not forget that the broken and buggy nature
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56 of the common proprietary implementations is the very reason why we need
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57 FreeCalypso in the first place.
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58
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59 Target interface options
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60 ========================
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61
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62 Our fcup-* tools can communicate with the AT-command-speaking target in one of
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63 two ways:
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64
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65 * The default is the standard AT command interface over a dedicated UART. As
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66 of this writing, the only FreeCalypso device that provides a full-featured AT
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67 command interface of this kind is our FCDEV3B modem, but the ultimate goal of
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68 the project is to build our own end user phone handset (a Libre Dumbphone)
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69 that will also provide a full-featured AT command interface on its USB port
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70 via a built-in CP2102 or FT232R chip.
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71
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72 * As a dirty hack, one can run FreeCalypso GSM fw on some alien hw targets,
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73 currently Motorola C1xx and Pirelli DP-L10. In this hacked-up configuration
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74 there is no dedicated UART available for a standard AT command interface, but
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75 there is a hack that allows a limited subset of AT commands to be passed over
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76 the RVTMUX binary packet interface provided by the running FreeCalypso GSM fw.
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77 Our fcup-* tools can work with this alternate target interface option and
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78 thereby support these crippled targets.
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79
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80 The AT-over-RVTMUX mechanism was originally invented back in 2015 as a
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81 development aid, and was never intended for production use or to support any
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82 kind of end user functionality. One of the limitations of its original
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83 incarnation was that the strings that are sent to ATI via this interface were
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84 limited to 254 characters, whereas sending or writing SMS in hex format
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85 requires longer strings. As of early 2019, this limitation has been lifted:
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86 our Magnetite and Selenite firmwares from 20190109 onward support an extended
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87 version of our AT-over-RVTMUX hack that allows longer strings to be sent in
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88 pieces, and the present version of our FC User Phone Tools suite will send the
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89 strings it generates via this extended mechanism whenever they exceed the old
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90 254 character limit. The new mechanism works correctly starting with the
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91 20190128 firmware release for modem products and the 20190129 fw release for
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92 Mot C1xx phones, thus when the present version of FC User Phone Tools is used
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93 to communicate with our current firmwares, both target interface options provide
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94 equivalent functionality on all supported targets.
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95
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96 All fcup-* tools take the following common command line options for selecting
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97 the AT command target interface:
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98
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99 -B baud Valid only when -p is also given; selects a different baud rate
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100 than the default 115200 bps.
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101
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102 -n Dry run debug mode with no target interface at all: the AT
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103 commands which would otherwise be sent to the target are simply
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104 printed on stdout.
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105
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106 -p ttyport Names the serial port to be used to talk to the target.
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107
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108 -R Use the AT-over-RVTMUX interface instead of the standard AT
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109 command interface over a dedicated UART.
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110
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111 -X program Use the specified external program as the AT target
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112 communication back-end; read the source code for the details.
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113
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114 -R and -p options interact as follows:
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115
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116 Neither -R The standard dedicated AT command interface is used;
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117 nor -p FC_GSM_DEVICE= environment variable needs to be set
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118 to point to the serial port.
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119
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120 -p only The standard dedicated AT command interface is used;
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121 the serial port is named with the -p option.
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122
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123 -R only AT-over-RVTMUX interface is used; the fcup-* tool connects
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124 to an already running rvinterf process.
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125
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126 -R and -p AT-over-RVTMUX interface is used; a new rvinterf process
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diff changeset
127 is launched to talk RVTMUX on the specified serial port.
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diff changeset
128
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diff changeset
129 Retrieving and decoding stored SMS
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parents:
diff changeset
130 ==================================
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parents:
diff changeset
131
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parents:
diff changeset
132 As of this writing, our current FreeCalypso GSM firmware supports only SIM
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parents:
diff changeset
133 storage for SMS, i.e., there is no working mechanism currently for storing SMS
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parents:
diff changeset
134 records (received and sent messages) in the phone's or modem's own flash file
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parents:
diff changeset
135 system. The capacity of this SIM SMS storage is determined by the SIM issuer,
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parents:
diff changeset
136 but it is typically quite limited, on the order of 20 to 30 messages.
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parents:
diff changeset
137
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parents:
diff changeset
138 The model adopted for FreeCalypso is that incoming (and possibly saved outgoing)
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parents:
diff changeset
139 messages initially accumulate in the SIM storage as they come in, and then the
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
140 user periodically transfers them to her larger host computer, simultaneously
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
141 deleting them from the SIM storage to reclaim the limited space. The retrieval
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
142 of stored SMS from FreeCalypso GSM devices is accomplished with our fcup-smdump
450
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parents: 449
diff changeset
143 utility; like all SMS operations with the current tools+firmware combination,
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parents: 449
diff changeset
144 this operation works exactly the same whether the FC GSM device offers a full-
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Mychaela Falconia <falcon@freecalypso.org>
parents: 449
diff changeset
145 featured AT command interface or only AT over RVTMUX. SMS retrieval is always
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parents: 449
diff changeset
146 done in PDU mode, and the output from fcup-smdump contains raw SMS PDUs in the
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parents: 449
diff changeset
147 form of long hex strings. A separate utility called sms-pdu-decode then does
b5235f8240b9 doc/User-phone-tools: update for SMS PDU mode working on all targets
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parents: 449
diff changeset
148 what its name says.
388
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parents:
diff changeset
149
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parents:
diff changeset
150 The intended mode of usage is something like this:
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parents:
diff changeset
151
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parents:
diff changeset
152 fcup-smdump -d >> long-term-sms-log
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parents:
diff changeset
153
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parents:
diff changeset
154 The -d option to fcup-smdump tells it to delete the retrieved messages from the
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 SIM or future ME storage; this option should only be used when the output is
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parents:
diff changeset
156 redirected into some kind of longer-term storage. In the above model the file
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parents:
diff changeset
157 named long-term-sms-log becomes what its name says as new messages retrieved
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parents:
diff changeset
158 from the FC GSM device get added to it; the format will look like this:
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parents:
diff changeset
159
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 Received message:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 XXXXXX...
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 Received message:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 XXXXXX...
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 Sent message:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 XXXXXX...
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 Stored unsent message:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 XXXXXX...
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 Received message:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 XXXXXX...
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 Each of the "XXXXXX..." lines will be a long hex string giving an SMS PDU. The
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
176 idea is that the complete record of all received and sent messages should be
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 stored on the user's big computer in raw PDU form, rather than decoded, and the
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parents:
diff changeset
178 decoding utility sms-pdu-decode should be invoked by the user (with the message
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 log file as input) as needed for reading these messages.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 The message decoding utility sms-pdu-decode does its best to decode and show
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 everything without dropping any bits: in addition to the actual decoded message
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 characters and the From/To address (the "end user" content of the message), it
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 decodes and shows the SC address, the first octet, the MR octet for outgoing
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 messages, PID and DCS octets, the SC timestamp or the validity period fields,
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 and the UDH bytes if present. However, some bits can still be lost in the
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 decoding, which is why it is important to archive messages in the raw PDU form:
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parents:
diff changeset
188
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 * Padding bits used to round the From/To address and septet-based user data to
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 an octet boundary and to round any UDH to a septet boundary are not decoded.
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
191
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 * If the user data portion of the message is 8-bit or compressed data (per the
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 DCS octet), it is shown as a raw hex dump, which is lossless, but if it is
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 GSM7 or UCS-2 text (GSM 03.38 character encodings), the characters are
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parents:
diff changeset
195 converted to the user's character set (plain ASCII only by default) for
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 display, and some characters may not be displayable.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 Character sets and encodings
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 ----------------------------
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 By default, sms-pdu-decode only emits 7-bit ASCII characters in its output; any
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 GSM7 or UCS-2 characters which fall outside of this plain ASCII repertoire are
805
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
203 converted into backslash escapes. This conservative default behaviour can be
388
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
204 modified as follows:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 -e option extends the potential output character repertoire from 7-bit ASCII to
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 8-bit ISO 8859-1. Any 8859-1 high characters are emitted as single bytes,
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 i.e., are NOT encoded in UTF-8 - this option is intended for non-UTF-8
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 environments.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210
805
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
211 -u option extends the potential output character repertoire to all of Unicode,
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
212 and changes the output encoding to UTF-8.
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
213
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
214 Regardless of whether the source message character set is GSM7 or UCS-2 and
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
215 irrespective of -e or -u options, any backslash characters are always escaped
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
216 as \\, and any CR characters are represented as \r. Additional backslash
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
217 escape encodings depend on the source message character set:
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
218
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
219 * If the source message character set is GSM7, the following additional
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
220 backslash escapes can be emitted:
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
221
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
222 - In the absence of -u option, the Euro currency symbol is converted to \E;
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
223
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
224 - Any GSM7 escape characters (0x1B) that aren't part of a valid escape
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
225 sequence for [\]^ or {|}~ or \E are represented as \e;
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
226
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
227 - Any GSM7 characters that either can't be represented in the output character
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
228 set (ASCII or ISO 8859-1) or are outright invalid per GSM 03.38 are
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
229 represented as \xX, where xX is the original GSM7 code point in 2-digit
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
230 hexadecimal form between 00 and 7F;
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
231
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
232 - Invalid GSM7 escape sequences are emitted as \e\xX.
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
233
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
234 * If the source message character set is UCS-2, the following additional
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
235 backslash escapes can be emitted:
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
236
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
237 - Invalid UCS-2 characters falling onto control character code points are
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
238 emitted as \u00XX;
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
239
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
240 - UCS-2 characters that can't be represented in ASCII or ISO 8859-1 (when
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
241 running without -u option) are emitted as \uXXXX;
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
242
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
243 - If UTF-16 surrogate pairs are detected in the input, the encoded high-plane
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
244 Unicode character is reconstructed and emitted as \UXXXXXX in the absence
a43c5dc251dc doc/User-phone-tools: new sms-pdu-decode backslash escapes
Mychaela Falconia <falcon@freecalypso.org>
parents: 450
diff changeset
245 of -u option, or as the appropriate UTF-8 byte sequence with -u.
388
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
246
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 -h option causes the user data portion of every message to be displayed as a
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 raw hex dump; in the case of GSM7-encoded messages, this hex dump shows the
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 unpacked septets.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 Composing and sending outgoing SMS
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
252 ==================================
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
253
450
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254 When used in the default PDU mode (which now works on all targets with our
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diff changeset
255 current firmware and tools), the primary SMS sending/writing tool fcup-smsend
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diff changeset
256 offers the following capabilities:
388
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257
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258 * Sending outgoing messages in either GSM7 or UCS-2 encoding;
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259 * Sending either single or long (concatenated) SMS;
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260 * Message body input in ASCII, ISO 8859-1 or UTF-8;
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261 * Message body input either on the command line or on stdin;
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262 * Any messages sent through this tool (single or concatenated) may be
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parents:
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263 multiline, i.e., may contain embedded newlines;
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264 * Messages sent in GSM7 encoding can contain ASCII characters [\]^ and {|}~
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265 - the tool is smart enough to do the necessary escape encoding.
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266
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parents:
diff changeset
267 The default and preferred AT command interface mode for sending/writing SMS is
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diff changeset
268 PDU mode, which works great when the GSM device provides a proper AT command
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parents:
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269 interface. However, when a message of maximum or near-maximum length is being
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270 submitted to the modem in PDU mode, the hex string that needs to be sent is
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parents: 449
diff changeset
271 quite long, and at the time when our FC User Phone Tools were first designed
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parents: 449
diff changeset
272 and written, our AT-over-RVTMUX mechanism could not handle such long strings.
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diff changeset
273 Because we sought to have at least limited SMS sending and writing support for
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diff changeset
274 crippled Motorola and Pirelli targets, we also implemented text mode support in
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diff changeset
275 fcup-smsend and fcup-smsendmult, enabled with the -t option. In this text (-t)
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diff changeset
276 mode the following restrictions apply:
388
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277
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278 * Only single SMS can be sent, not concatenated;
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279 * Only GSM7-encoded messages can be sent, not UCS-2;
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280 * No multiline messages can be sent, i.e., no newlines in the message body;
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parents:
diff changeset
281 * ASCII characters [\]^ and {|}~ won't be sent correctly - GSM 07.05 text mode
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282 drops them.
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283
450
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diff changeset
284 Now that we have extended our AT-over-RVTMUX mechanism to support longer strings
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parents: 449
diff changeset
285 and gained full support for PDU mode on all targets, the above -t mode is no
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parents: 449
diff changeset
286 longer necessary for any use case, as the default PDU mode is a proper superset
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parents: 449
diff changeset
287 in functionality. However, support for this -t mode has been retained, as
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parents: 449
diff changeset
288 removing software functionality for no good reason is not the way of FOSS.
388
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diff changeset
289
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290 The invokation syntax is as follows:
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291
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292 fcup-smsend [options] dest-addr [message]
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parents:
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293
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diff changeset
294 The destination address must be given on the command line; the address digits
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295 may be optionally followed by a comma and an address type byte, either decimal
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parents:
diff changeset
296 or hexadecimal with 0x prefix. The default address type is 0x91 if the number
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parents:
diff changeset
297 begins with a '+' or 0x81 otherwise. If the message body is given on the
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parents:
diff changeset
298 command line, it must be given as a single argument; if no message body argument
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parents:
diff changeset
299 is given, the message body will be read from stdin. Any trailing newlines are
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 stripped before SMS encoding.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 The following options are supported, in addition to the common target interface
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 options listed earlier:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304
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diff changeset
305 -c Enables concatenated SMS. Concatenated SMS will be sent only
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parents:
diff changeset
306 if the message body exceeds 160 GSM7 or 70 UCS-2 characters,
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parents:
diff changeset
307 otherwise plain SMS will be sent whether -c is given or not -
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 but the -c option enables the possibility of sending
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 concatenated SMS.
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parents:
diff changeset
310
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diff changeset
311 -C refno Enables concatenated SMS like -c, but also explicitly sets the
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
312 concatenated SMS reference number to be used. The number can
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 be either decimal or hexadecimal with 0x prefix.
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parents:
diff changeset
314
969
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parents: 805
diff changeset
315 -e Allow message body input to use the same backslash escape
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parents: 805
diff changeset
316 sequences that are emitted by sms-pdu-decode, described earlier
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parents: 805
diff changeset
317 in this document. Without this option, any backslash characters
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
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parents: 805
diff changeset
318 present in the message body input are interpreted literally; to
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
319 embed a literal backslash with -e, enter it as \\.
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parents: 805
diff changeset
320
388
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diff changeset
321 -q Concatenated SMS quiet mode. If -c is given without -q, the
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parents:
diff changeset
322 tool prints a message on stdout indicating whether the message
3d45660f78f0 doc/User-phone-tools article written
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parents:
diff changeset
323 was sent as single or concatenated, and in how many parts.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 -q suppresses this additional output.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325
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parents:
diff changeset
326 -t Use text mode instead of PDU mode on the AT command interface.
969
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parents: 805
diff changeset
327 This option is incompatible with -c, with -e and with -U; it
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
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parents: 805
diff changeset
328 also introduces some other restrictions listed above.
388
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parents:
diff changeset
329
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 -u By default, if the message body input contains any 8-bit
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 characters, they are interpreted as ISO 8859-1. With -u they
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 are interpreted as UTF-8 instead. This option is only relevant
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 for GSM7 output encoding, and it is implemented by converting
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 the input first from UTF-8 to 8859-1, and then from 8859-1 to
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 GSM7 - thus all UTF-8 input characters must fall into the
969
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
336 8859-1 repertoire, and the only way to send GSM7-encoded
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
337 messages containing the few Greek letters or the Euro currency
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
338 symbol allowed by GSM 03.38 encoding is to use backslash escapes
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
339 with -e.
388
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parents:
diff changeset
340
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 -U Send message in UCS-2 encoding instead of GSM7. Any 8-bit
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 characters in the message body input are interpreted as UTF-8,
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 and the entire Basic Multilingual Plane of Unicode is allowed.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 -w By default the outgoing message is sent out on the GSM network
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 with the AT+CMGS command. With this -w option, the message is
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 first written into SIM or future ME SMS storage with AT+CMGW,
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 then sent out on the GSM network with AT+CMSS.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 -W Write only, not send: the message is written into storage with
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 AT+CMGW and no further action is taken. The modem's +CMGW:
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 responses with message storage indices are forwarded to stdout.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 With this option the destination address argument can be a null
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 string or omitted altogether.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 Concatenated SMS reference numbers
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 ----------------------------------
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 Every concatenated SMS transmission needs a reference number, and this number
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 needs to increment from one concatenated SMS to the next, to help message
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 recipients sort out which is which. If the reference number is not given
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 explicitly with -C, fcup-smsend creates (opens with O_RDWR|O_CREAT) a file
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 named .concat_sms_refno in the invoking user's $HOME directory; automatically
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 incrementing reference numbers are maintained in this file. The initial seed
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 is an XOR of all bytes of the current time returned by gettimeofday(2),
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 followed by simple linear incrementing; these reference numbers do not need to
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 be random in any kind of cryptographically secure sense.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 fcup-smsendmult
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 ===============
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 As an alternative to sending concatenated SMS, one can use the fcup-smsendmult
969
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
Mychaela Falconia <falcon@freecalypso.org>
parents: 805
diff changeset
373 utility to send several single (no UDH) messages in one batch. This utility
388
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parents:
diff changeset
374 supports both text and PDU modes (PDU mode is still the preferred default when
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 it can be used), and when PDU mode is used, it supports both GSM7 and UCS-2
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 output encodings just like fcup-smsend. The messages to be sent are read from
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 stdin, and each input line produces a new message.
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378
3d45660f78f0 doc/User-phone-tools article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 The entire batch of messages can be sent to a single recipient, or each message
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380 in the batch can have its own individual destination address. If the
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381 destination address is given on the command line, each input line read from
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382 stdin is just a message body; if no destination address is given on the command
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383 line, each input line must have the following format:
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384
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385 <dest addr><white space><message body>
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386
969
8cf7d41f2821 doc/User-phone-tools: document -e addition to fcup-smsend[mult]
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387 -e, -t, -u, -U, -w and -W command line options are unchanged from fcup-smsend.
388
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388
450
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389 This fcup-smsendmult method of sending batched SMS was originally envisioned as
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390 an alternative to concatenated SMS for crippled hw targets that couldn't support
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391 sending SMS in PDU mode, but that limitation has now been lifted. Because we
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392 do not remove already-implemented functionality for no good reason, the tool
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393 currently remains in search of new potential use cases.
388
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394
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395 fcup-smsendpdu
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396 ==============
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397
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398 This utility sends out SMS PDUs that have been prepared externally; it only
450
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399 works in PDU mode - originally it was limited to high-end FreeCalypso hardware
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400 with a full AT command interface, but now we've got PDU mode working on all
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401 targets. The PDUs to be sent out are read from stdin, one long hex string PDU
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402 per line; one can send either a single message or a batch. Because the
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403 destination address and all content details are encoded in the PDU, the tool
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404 does not care if the messages are going to the same recipient or to different
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parents: 449
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405 recipients, nor does it care if they constitute a concatenated SMS transmission
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parents: 449
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406 or not. -w and -W options work the same way as in fcup-smsend and
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407 fcup-smsendmult.
388
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408
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409 fcup-smwrite
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410 ============
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411
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412 This utility is a debug and development tool; it differs from fcup-smsendpdu in
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413 the following ways:
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414
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415 * fcup-smsendpdu can send messages out with AT+CMGS, write them into memory
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416 with AT+CMGW, or do a write-then-send sequence (-w option) with AT+CMGW
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417 followed by AT+CMSS. fcup-smwrite only issues AT+CMGW commands.
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418
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419 * fcup-smwrite passes a second argument to AT+CMGW that sets the message state
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420 to any of the possible 4 values; fcup-smsend* -W put them in the "stored
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421 unsent" state.
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422
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423 * The input to fcup-smsendpdu is just PDU hex strings; the input to
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424 fcup-smwrite needs to have the same format as fcup-smdump output in order to
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425 indicate what state each message should be written in.