Lines Matching +full:wait +full:- +full:on +full:- +full:write
1 .. SPDX-License-Identifier: GPL-2.0
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13 This document was made based on 'C' code for Linux from Gideon le Grange
16 experiments that the author performed on his own setup, so your mileage may
18 validity of this information. No other documentation on the AIMS
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26 I have a RadioTrack card from back when I ran an MS-Windows platform. After
27 converting to Linux, I found Gideon le Grange's command-line software for
29 comfortable X-windows interface, and added a scanning feature. For hack
32 broadcast TV channels, situated just below and above the 87.0-109.0 MHz range.
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42 The RadioTrack card is an ISA 8-bit FM radio card. The radio frequency (RF)
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60 parallel with one write to the ioport. The only feedback available through
65 .. code-block:: none
68 +------+------+------+--------+--------+-------+---------+--------+
70 | (+) | (-) | | Detect | Audio | (bit) | (latch) | Update |
72 +------+------+------+--------+--------+-------+---------+--------+
80 1 0 volume - (some delay required)
91 Results available by reading ioport >60 msec after last port write.
112 24-bit code, where bits = (freq*40) + 10486188.
125 --------------------
127 .. code-block:: none
129 Default: BASE <-- 0xc8 (current volume, no stereo detect,
132 Card Off: BASE <-- 0x00 (audio mute, no stereo detect,
135 Card On: BASE <-- 0x00 (see "Card Off", clears any unfinished business)
136 BASE <-- 0xc8 (see "Default")
138 Volume Down: BASE <-- 0x48 (volume down, no stereo detect,
140 wait 10 msec
141 BASE <-- 0xc8 (see "Default")
143 Volume Up: BASE <-- 0x88 (volume up, no stereo detect,
145 wait 10 msec
146 BASE <-- 0xc8 (see "Default")
148 Check Stereo: BASE <-- 0xd8 (current volume, stereo detect,
150 wait 100 msec
151 x <-- BASE (read ioport)
152 BASE <-- 0xc8 (see "Default")
159 to write a "zero" bit,
160 BASE <-- 0x01 (audio mute, no stereo detect, radio
162 BASE <-- 0x03 (audio mute, no stereo detect, radio
164 to write a "one" bit,
165 BASE <-- 0x05 (audio mute, no stereo detect, radio
167 BASE <-- 0x07 (audio mute, no stereo detect, radio