From: "Alessio Margan @ IIT" <alessio.margan@domain.hid>
To: Xenomai-core@domain.hid
Subject: [Xenomai-core] [PATCH] Sensoray 526 analogy driver
Date: Mon, 11 Jan 2010 17:08:51 +0100 [thread overview]
Message-ID: <4B4B4D13.1050206@domain.hid> (raw)
Hi,
I try to configure sensoray counters to generate PWM signal
#define SUBD_CNT 0
#define SUBD_AI 1
#define SUBD_AO 2
#define SUBD_DIO 3
insn.type = A4L_INSN_CONFIG;
insn.idx_subd = SUBD_COUNTER;
insn.chan_desc = CHAN(channel);
insn.data_size = sizeof(dataC) / sizeof(dataC[0]);
insn.data = data;
data[0] = A4L_INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR;
data[1] = cmReg.value;
data[2] = down_ticks;
data[3] = up_ticks;
ret = a4l_snd_insn(&dsc, &insn);
in a4l_do_insn the subdevice is check in this way but the test for
counter, and I think also for dio, fails due
to A4L_SUBD_MASK_SPECIAL bit
#define A4L_SUBD_UNUSED (A4L_SUBD_MASK_SPECIAL|0x1)
#define A4L_SUBD_COUNTER (A4L_SUBD_MASK_SPECIAL|0x40)
#define A4L_SUBD_DIO (A4L_SUBD_MASK_SPECIAL|0x20)
/* Checks the subdevice's characteristics */
if ((subd->flags & A4L_SUBD_UNUSED) != 0) {
__a4l_err("a4l_do_insn: wrong subdevice selected 0x%X\n",subd->flags);
return -EINVAL;
}
there is something wrong or I miss something ?
TIA
Alessio
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next reply other threads:[~2010-01-11 16:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-11 16:08 Alessio Margan @ IIT [this message]
2010-01-11 16:22 ` [Xenomai-core] [PATCH] Sensoray 526 analogy driver Alexis Berlemont
-- strict thread matches above, loose matches on Subject: below --
2010-01-07 19:15 Alessio Margan @ IIT
2010-01-07 20:52 ` Alexis Berlemont
2009-12-26 14:54 Simon Boulay
2009-12-28 20:44 ` Alexis Berlemont
[not found] ` <4B3917BF.5070600@domain.hid>
2009-12-29 1:40 ` Simon Boulay
2009-12-29 8:32 ` Alessio Margan @ IIT
2009-12-30 14:53 ` Alessio Margan @ IIT
2010-01-02 12:28 ` Simon Boulay
2010-01-04 16:03 ` Alessio Margan @ IIT
2010-01-04 23:10 ` Alexis Berlemont
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