FreeCalypso > hg > fc-selenite

annotate doc/Compiling @ 112:fdecfb3bd860

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.../drv_app/r2d/r2d_*.c: LCD include case fixes from Magnetite R2D is not used in Selenite, but we strive to keep the two source trees in sync as much as possible to reduce the diffs.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Oct 2018 16:56:22 +0000
parents a68c6c7942d7
children 4238e3220682
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109
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1 Selecting and preparing the compiler environment
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2 ================================================
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3
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4 FreeCalypso Selenite firmware can be built with two different compiler
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5 toolchains: either with TI's original TMS470 compiler or with gcc. Transition
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6 to compiling with gcc is a very bold move with very heavy fallout, and many
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7 parts of the fw are still broken or destabilized when built with gcc instead of
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8 the original compiler they were developed with, thus for the foreseeable future,
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9 anyone who aspires to be a FreeCalypso developer will need to compile our fw in
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10 both ways, compare the behaviour of the two versions, and work toward making
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11 the gcc-built version perform as well as the TMS470-built one. Thus you need
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12 to have both compiler toolchains installed and working - see the
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13 Toolchain-setup-470 and Toolchain-setup-gcc articles for the instructions.
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14
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15 Compiling the local helper utilities
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16 ====================================
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17
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18 (cd helpers; make)
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19
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20 Do the above. Most of the build helper scripts used in the FC Selenite build
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21 system are written in Bourne shell, but a few were easier to implement in C.
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22 You need to compile these C helper utilities before you can run an actual FC
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23 Selenite firmware build, but these utilities are totally ad hoc and specific
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24 to the needs of our fw build system, hence they are not meant to be installed
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25 globally on your system - instead they stay within the fc-selenite tree. You
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26 just need to run make in the helpers directory once before any actual firmware
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27 builds.
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28
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29 Actually building the firmware
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30 ==============================
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31
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32 To build our FC Selenite firmware for your hw target of interest in the default
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33 configuration, run a command like this from the top level of the fc-selenite
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34 tree:
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35
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36 ./configure-gcc.sh fcdev3b
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37
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38 or
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39
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40 ./configure-tms470.sh fcdev3b
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41
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42 As of this writing, the following hardware targets are supported:
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43
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44 c11x Motorola C11x/12x
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45 c139 Motorola C139/140
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46 fcdev3b FreeCalypso FCDEV3B
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47 gtamodem The Calypso GSM/GPRS modem in Openmoko GTA01/02 smartphones
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48 pirelli Pirelli DP-L10
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49
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50 Notice the difference from FC Magnetite: there is no "configuration name"
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51 argument after the target name. Because FC Selenite does not include any UI
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52 code (modem functionality only) and does not offer different versions of
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53 various fw components the way Magnetite does, it does not have named
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54 configurations in the same sense as Magnetite. Instead any configuration
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55 tweaks are done via var=value optional arguments on the configure command line
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56 after the required target name argument; the following variables are currently
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57 available for tweaking:
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58
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59 ALLOW_CSIM_GSM
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60
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61 Per TI's original design, the AT+CSIM command does not allow GSM APDUs
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62 of class 0xA0. Openmoko found some need for them, and they patched
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63 their modem fw to allow these APDUs with AT+CSIM. With our new hybrid
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64 modem fw this policy setting is configurable at build time; the default
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65 is ALLOW_CSIM_GSM=1 (GSM APDUs allowed).
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66
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67 DISABLE_SLEEP
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68
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69 The general default is DISABLE_SLEEP=0, and the firmware automatically
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70 enables all of the chipset's available sleep modes on boot. Setting
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71 DISABLE_SLEEP=1 causes all sleep modes to be disabled by default on
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72 boot (they can still be enabled with the AT%SLEEP command); this
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73 setting is needed for FCDEV3B V1 boards that have a hardware bug that
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74 causes breakage when sleep modes are enabled.
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75
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76 FCHG_STATE
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77
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78 This setting enables or disables the FCHG battery charging driver. By
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79 default it is enabled on targets that have battery charging hardware
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80 (c11x, c139, pirelli) and disabled on those that don't have such hw
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81 (fcdev3b, gtamodem).
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82
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83 GPRS
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84
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85 Self-explanatory: enables or disables GPRS. By default GPRS is enabled
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86 on proper modem hw targets (fcdev3b and gtamodem) and disabled on c11x,
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87 c139 and pirelli.
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88
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89 L1_DYN_DSP_DWNLD
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90
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91 This setting enables TI's dynamic DSP patch download mechanism. When
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92 the firmware is built for a Calypso target with DSP ROM version 36 in
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93 the silicon (all FreeCalypso-made hw and most of the supported legacy
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94 targets), L1_DYN_DSP_DWNLD is enabled by default and needs to be kept
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95 enabled for correct operation: the patch code we got from TI for this
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96 ROM is the dynamic download version, and the ARM-side L1 code expects
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97 all of these patches to be present, both the static part and the
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98 dynamic parts. However, one can build our fw with L1_DYN_DSP_DWNLD=0
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99 for experimental testing, to see what breaks when the dynamic patches
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100 are omitted.
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101
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102 L1_VOICE_MEMO_AMR
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103
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104 This setting enables or disables support in L1 and in the RiViera Audio
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105 Service for AMR voice memo recording and playback. This code has not
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106 been properly studied yet and no test AT commands are provided for it,
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107 but it is enabled by default like in TI's original TCS211 fw.
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108
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109 MELODY_E2
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110
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111 This setting enables or disables support in L1 and in the RiViera Audio
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112 Service for playing E2-format melodies. The default is MELODY_E2=1
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113 like in TI's original TCS211 fw. Note that Melody E1 support is always
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114 enabled; setting MELODY_E2=0 disables only Melody E2, but not E1.
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115
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116 MEMSUPER
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117
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118 This setting enables the memory supervision feature in TI's GPF and in
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119 the G23M protocol stack built on top of it. This code has not been
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120 properly studied yet; play with it at your own risk.
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121
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122 SERIAL_DYNAMIC_SWITCH
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123
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124 TI's TCS211 fw includes a provision (only for Bluetooth-enabled fw in
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125 TI's original) to switch one UART between the AT command interface and
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126 RVTMUX while the other UART is fixed for Bluetooth. In FreeCalypso we
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127 have changed this code to work without Bluetooth, for the purpose of
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128 switching the user-facing MODEM UART between AT commands and RVTMUX,
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129 but the mechanism does not work properly yet and is disabled by default.
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130 Enable it with SERIAL_DYNAMIC_SWITCH=1 if you would like to play with
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131 it.
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132
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133 SPEECH_RECO
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134
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135 This setting enables or disables support in L1 and in the RiViera Audio
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136 Service for TI's speech recognition mechanism. This code and the
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137 underlying DSP facility itself have not been properly studied yet and
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138 no test AT commands are provided for it, but it is enabled by default
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139 like in TI's original TCS211 fw.
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140
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141 SRVC
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142
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143 TI's original config variable, selects the presence or absence of data
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144 services other than GPRS as follows:
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145
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146 SRVC=0: voice and SMS only
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147 SRVC=1: CSD and fax enabled
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148 SRVC=2: CSD enabled, but not fax
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149
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150 The default is SRVC=1 (fax and data enabled) for proper modem hw targets
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151 (fcdev3b and gtamodem) and SRVC=0 (voice and SMS only) on c11x, c139
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152 and pirelli.
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153
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154 SUFFIX
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155
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156 This setting is solely for configuration management. If you make a
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157 build with any of the settings described in this document changed from
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158 the default, you should also pass a SUFFIX=-xxx argument so your special
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159 build will be appropriately identified in the build directory name and
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160 in the firmware version ID string compiled into the image. The naming
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161 of suffixes is up to you, but here are some examples:
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162
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163 L1_DYN_DSP_DWNLD=0 SUFFIX=-nodyn
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164 MELODY_E2=0 SUFFIX=-noe2
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165 MEMSUPER=2 SUFFIX=-ps
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166 SERIAL_DYNAMIC_SWITCH=1 SUFFIX=-sds
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167 SPEECH_RECO=0 SUFFIX=-nosr
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168 TR_BAUD_CONFIG=TR_BAUD_812500 SUFFIX=-812500
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169
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170 TR_BAUD_CONFIG
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171
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172 The value of this symbol is an alphanumeric keyword of the form
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173 TR_BAUD_xxxxxx; the default is TR_BAUD_115200. See
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174 src/cs/drivers/drv_core/uart/traceswitch.h for the available baud rate
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175 choices; the most practical use is setting TR_BAUD_CONFIG=TR_BAUD_812500
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176 when you need to run the RVTMUX serial channel at the maximum possible
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177 baud rate.
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178
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179 Each configuration is built in its own directory; the name of this build
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180 directory always begins with build- and is constructed to reflect the
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181 configuration. The auto-generated build directory name includes the name of
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182 the target, the selection of services to be included based on the GPRS, SRVC
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183 and FCHG_STATE variables, and a -470 or -gcc suffix indicating the compiler
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184 toolchain, but if you manually override any of the other config variables
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185 described above, you should also include a SUFFIX=-xxx argument giving an
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186 identifying suffix for your own configuration changes.
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187
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188 To actually compile the firmware, cd into the created build directory and run
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189 make there. With gcc the build proceeds very fast because the compiler runs
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190 natively, but building with the original TMS470 compiler requires going through
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191 Wine, which is much slower. There is, however, a trick to speed up these
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192 TMS470 builds: if you run some other Wine program that stays open and does not
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193 exit on its own (e.g., wine cmd) in another window and leave it open while you
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194 run your Selenite TMS470 build, the build will proceed much faster - the
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195 presence of another Wine process using the wineserver environment will keep
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196 Wine from shutting this environment down and restarting it for every individual
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197 cl470 run, i.e., for each individual C source file.
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198
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199 When the build is done, the flashable firmware image will be in fwimage.bin.
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200 This image is to be flashed with fc-loadtool at address 0x10000 on Mot C11x and
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201 C139 targets, and at address 0 on the more sensible targets that have the
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202 Calypso boot ROM enabled. The build system also produces a short text file
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203 named flash-script which is a flashing command script for fc-loadtool that
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204 erases the correct range of flash sectors and then programs fwimage.bin at the
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205 right address.
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206
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207 When building firmware for the FCDEV3B or for the Pirelli, one can build either
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208 a flashable image or a RAM-loadable one - or both. Because this part of the
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209 build system is common with other targets for which only flash images can be
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210 produced, the Makefile always builds the flashable image by default -
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211 fwimage.bin is always meant for flash and never for RAM. To build a RAM-
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212 loadable image when the target allows it, run 'make ram' - the image will be in
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213 ramimage.srec, which you can then load and run on the target with FreeCalypso
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214 host tool fc-xram.
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215
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216 Running on the hardware
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217 =======================
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218
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219 In order to run the firmware you have built on your FCDEV3B or other Calypso
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220 device (flash or run in RAM as appropriate), you will need to use FreeCalypso
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221 host tools. As of this writing, the latest packaged release is this one:
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222
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223 ftp://ftp.freecalypso.org/pub/GSM/FreeCalypso/fc-host-tools-r8.tar.bz2