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FMC ADC 100M 14b 4cha - Software
Commit e5669b8e authored by Federico Vaga's avatar Federico Vaga
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fa-zio-trg.c: update conf_set function to handle pre and post samples 

Signed-off-by: 's avatarFederico Vaga <federico.vaga@gmail.com>
parent 5afa79c0
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Showing with 19 additions and 23 deletions
fa-zio-trg.c
View file @ e5669b8e
......@@ -91,27 +91,6 @@ static struct zio_attribute zfat_ext_zattr[] = {
};
/* FIXME: zio need an update, introduce PRE and POST and replace NSAMPLES*/
static void zfat_update_nsample(struct zio_ti *ti, enum zfadc_dregs_enum type,
uint32_t val)
{
struct zio_attribute_set *zattr_set = &ti->zattr_set;
struct zio_attribute *n = &zattr_set->std_zattr[ZATTR_TRIG_NSAMPLES];
/* 9-th attribute is PRE */
struct zio_attribute *pre = &zattr_set->ext_zattr[9];
/* 10-th attribute is POST */
struct zio_attribute *post = &zattr_set->ext_zattr[10];
if (type == ZFAT_PRE)
n->value = val + post->value;
else if (type == ZFAT_POST)
n->value = pre->value + val;
/*
* FIXME n->value must update current_control. Make propagete_value
* a public function?
*/
}
/* set a value to a FMC-ADC trigger register */
static int zfat_conf_set(struct device *dev, struct zio_attribute *zattr,
uint32_t usr_val)
......@@ -119,6 +98,8 @@ static int zfat_conf_set(struct device *dev, struct zio_attribute *zattr,
const struct zio_reg_desc *reg = &zfad_regs[zattr->priv.addr];
struct zio_ti *ti = to_zio_ti(dev);
int err;
/* These static value are synchronized with the ZIO attribute value */
static uint32_t pre_s = 0, post_s = 0;
switch (zattr->priv.addr) {
case ZFAT_SW:
......@@ -142,10 +123,25 @@ static int zfat_conf_set(struct device *dev, struct zio_attribute *zattr,
if (err)
return err;
if ( zattr->priv.addr == ZFAT_PRE || zattr->priv.addr == ZFAT_POST) {
zfat_update_nsample(to_zio_ti(dev), zattr->priv.addr, usr_val);
/* Update static value */
if (zattr->priv.addr == ZFAT_PRE) {
pre_s = usr_val;
}
if (zattr->priv.addr == ZFAT_POST) {
post_s = usr_val;
}
if ( zattr->priv.addr == ZFAT_PRE || zattr->priv.addr == ZFAT_POST) {
/* Check if the acquisition of all required samples is possibile */
if ((pre_s + post_s) * ti->cset->ssize >= FA_MAX_ACQ_BYTE) {
dev_warn(&ti->cset->head.dev,
"you can't acquire more then %i samples"
"(pre-samples = %i, post-samples = %i).",
FA_MAX_ACQ_BYTE/ti->cset->ssize,
pre_s, post_s);
}
}
/* FIXME: zio need an update, introduce PRE and POST and replace NSAMPLES*/
return 0;
}
/* get the value of a FMC-ADC trigger register */
......
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