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comparison FCDEV3B-repackaging @ 3:4f873ec004f6

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FCDEV3B-repackaging: minor grammar fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 10 Oct 2018 16:33:11 +0000
parents 020df28341d0
children 1dbc8c5d9698
comparison
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2:020df28341d0 3:4f873ec004f6
84 the host but is blocked by CTS being held high), this signal should be 84 the host but is blocked by CTS being held high), this signal should be
85 connected to GPIO 0. Openmoko used GPIO 1 for this purpose, but in 85 connected to GPIO 0. Openmoko used GPIO 1 for this purpose, but in
86 FreeCalypso GPIO 1 is taken because we use it for the loudspeaker control 86 FreeCalypso GPIO 1 is taken because we use it for the loudspeaker control
87 signal like on TI's D-Sample and Leonardo boards, hence we are moving the AP 87 signal like on TI's D-Sample and Leonardo boards, hence we are moving the AP
88 wakeup signal to GPIO 0, to be implemented if and when anyone builds a modem 88 wakeup signal to GPIO 0, to be implemented if and when anyone builds a modem
89 based on FC-TMS that needs to be provide such a signal. 89 based on FC-TMS that needs to provide such a signal.
90 90
91 * If your product includes a loudspeaker amplifier like on our FCDEV3B, connect 91 * If your product includes a loudspeaker amplifier like on our FCDEV3B, connect
92 its on/off control input to GPIO 1, otherwise leave our GPIO 1 output 92 its on/off control input to GPIO 1, otherwise leave our GPIO 1 output
93 unconnected. 93 unconnected.
94 94
104 * If you are connecting the MODEM UART channel to a full RS-232 port or to a 104 * If you are connecting the MODEM UART channel to a full RS-232 port or to a
105 USB-serial chip with a full set of modem control signals, you should connect 105 USB-serial chip with a full set of modem control signals, you should connect
106 DSR and RI to TSPDI/IO4 and MCUEN1/IO8, respectively. Right now our fw 106 DSR and RI to TSPDI/IO4 and MCUEN1/IO8, respectively. Right now our fw
107 drives IO4 low and IO8 high, corresponding to DSR asserted and RI negated 107 drives IO4 low and IO8 high, corresponding to DSR asserted and RI negated
108 (normal quiescent state), and connecting the signals in this way allows the 108 (normal quiescent state), and connecting the signals in this way allows the
109 possibility of extending the fw to drive them in some more intelligent manner. 109 possibility of extending the fw to drive them in some more intelligent manner
110 if need be.
110 111
111 * Both Calypso UARTs need to be wired in an accessible way so that our standard 112 * Both Calypso UARTs need to be wired in an accessible way so that our standard
112 FC Magnetite firmware can be used with the AT command interface on the MODEM 113 FC Magnetite firmware can be used with the AT command interface on the MODEM
113 UART and RVTMUX on the IrDA UART. 114 UART and RVTMUX on the IrDA UART.
114 115