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chronovu-la8: Adjust to GVariant-based sr_config_* functions

This commit is contained in:
Bert Vermeulen 2013-03-31 21:31:49 +02:00
parent afdf6d6a20
commit 1bec72d2ac
3 changed files with 46 additions and 48 deletions
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52
hardware/chronovu-la8/api.c
View File

@ -28,6 +28,21 @@
SR_PRIV struct sr_dev_driver chronovu_la8_driver_info;
static struct sr_dev_driver *di = &chronovu_la8_driver_info;
/* This will be initialized via config_list()/SR_CONF_SAMPLERATE.
*
* Min: 1 sample per 0.01us -> sample time is 0.084s, samplerate 100MHz
* Max: 1 sample per 2.55us -> sample time is 21.391s, samplerate 392.15kHz
*/
SR_PRIV uint64_t chronovu_la8_samplerates[255 + 1] = { 0 };
/* Note: Continuous sampling is not supported by the hardware. */
SR_PRIV const int32_t chronovu_la8_hwcaps[] = {
SR_CONF_LOGIC_ANALYZER,
SR_CONF_SAMPLERATE,
SR_CONF_LIMIT_MSEC, /* TODO: Not yet implemented. */
SR_CONF_LIMIT_SAMPLES, /* TODO: Not yet implemented. */
};
/*
* The ChronoVu LA8 can have multiple PIDs. Older versions shipped with
* a standard FTDI USB VID/PID of 0403:6001, newer ones have 0403:8867.
@ -150,9 +165,9 @@ static GSList *hw_scan(GSList *options)
sdi->driver = di;
sdi->priv = devc;
for (i = 0; probe_names[i]; i++) {
for (i = 0; chronovu_la8_probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i])))
chronovu_la8_probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
}
@ -267,7 +282,7 @@ static int hw_cleanup(void)
return SR_OK;
}
static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
@ -275,7 +290,7 @@ static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
case SR_CONF_SAMPLERATE:
if (sdi) {
devc = sdi->priv;
*data = &devc->cur_samplerate;
*data = g_variant_new_uint64(devc->cur_samplerate);
sr_spew("%s: Returning samplerate: %" PRIu64 "Hz.",
__func__, devc->cur_samplerate);
} else
@ -288,7 +303,7 @@ static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
return SR_OK;
}
static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
@ -299,26 +314,26 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
switch (id) {
case SR_CONF_SAMPLERATE:
if (set_samplerate(sdi, *(const uint64_t *)value) == SR_ERR) {
if (set_samplerate(sdi, g_variant_get_uint64(data)) == SR_ERR) {
sr_err("%s: setting samplerate failed.", __func__);
return SR_ERR;
}
sr_dbg("SAMPLERATE = %" PRIu64, devc->cur_samplerate);
break;
case SR_CONF_LIMIT_MSEC:
if (*(const uint64_t *)value == 0) {
if (g_variant_get_uint64(data) == 0) {
sr_err("%s: LIMIT_MSEC can't be 0.", __func__);
return SR_ERR;
}
devc->limit_msec = *(const uint64_t *)value;
devc->limit_msec = g_variant_get_uint64(data);
sr_dbg("LIMIT_MSEC = %" PRIu64, devc->limit_msec);
break;
case SR_CONF_LIMIT_SAMPLES:
if (*(const uint64_t *)value < MIN_NUM_SAMPLES) {
if (g_variant_get_uint64(data) < MIN_NUM_SAMPLES) {
sr_err("%s: LIMIT_SAMPLES too small.", __func__);
return SR_ERR;
}
devc->limit_samples = *(const uint64_t *)value;
devc->limit_samples = g_variant_get_uint64(data);
sr_dbg("LIMIT_SAMPLES = %" PRIu64, devc->limit_samples);
break;
default:
@ -331,21 +346,30 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
return SR_OK;
}
static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
GVariant *gvar;
GVariantBuilder gvb;
(void)sdi;
switch (key) {
case SR_CONF_DEVICE_OPTIONS:
*data = hwcaps;
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
chronovu_la8_hwcaps, ARRAY_SIZE(chronovu_la8_hwcaps),
sizeof(int32_t));
break;
case SR_CONF_SAMPLERATE:
fill_supported_samplerates_if_needed();
*data = &samplerates;
g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
chronovu_la8_samplerates, ARRAY_SIZE(chronovu_la8_samplerates),
sizeof(uint64_t));
g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
*data = g_variant_builder_end(&gvb);
break;
case SR_CONF_TRIGGER_TYPE:
*data = (char *)TRIGGER_TYPE;
*data = g_variant_new_string(TRIGGER_TYPE);
break;
default:
return SR_ERR_ARG;

35
hardware/chronovu-la8/protocol.c
View File

@ -25,46 +25,21 @@
#include "protocol.h"
/* Probes are numbered 0-7. */
SR_PRIV const char *probe_names[NUM_PROBES + 1] = {
SR_PRIV const char *chronovu_la8_probe_names[NUM_PROBES + 1] = {
"0", "1", "2", "3", "4", "5", "6", "7",
NULL,
};
/* This will be initialized via config_list()/SR_CONF_SAMPLERATE. */
SR_PRIV uint64_t supported_samplerates[255 + 1] = { 0 };
/*
* Min: 1 sample per 0.01us -> sample time is 0.084s, samplerate 100MHz
* Max: 1 sample per 2.55us -> sample time is 21.391s, samplerate 392.15kHz
*/
const struct sr_samplerates samplerates = {
.low = 0,
.high = 0,
.step = 0,
.list = supported_samplerates,
};
/* Note: Continuous sampling is not supported by the hardware. */
SR_PRIV const int hwcaps[] = {
SR_CONF_LOGIC_ANALYZER,
SR_CONF_SAMPLERATE,
SR_CONF_LIMIT_MSEC, /* TODO: Not yet implemented. */
SR_CONF_LIMIT_SAMPLES, /* TODO: Not yet implemented. */
0,
};
SR_PRIV void fill_supported_samplerates_if_needed(void)
{
int i;
/* Do nothing if supported_samplerates[] is already filled. */
if (supported_samplerates[0] != 0)
if (chronovu_la8_samplerates[0] != 0)
return;
/* Fill supported_samplerates[] with the proper values. */
for (i = 0; i < 255; i++)
supported_samplerates[254 - i] = SR_MHZ(100) / (i + 1);
supported_samplerates[255] = 0;
chronovu_la8_samplerates[254 - i] = SR_MHZ(100) / (i + 1);
chronovu_la8_samplerates[255] = 0;
}
/**
@ -80,7 +55,7 @@ SR_PRIV int is_valid_samplerate(uint64_t samplerate)
fill_supported_samplerates_if_needed();
for (i = 0; i < 255; i++) {
if (supported_samplerates[i] == samplerate)
if (chronovu_la8_samplerates[i] == samplerate)
return 1;
}

7
hardware/chronovu-la8/protocol.h
View File

@ -111,10 +111,9 @@ struct dev_context {
};
/* protocol.c */
extern SR_PRIV uint64_t supported_samplerates[];
extern SR_PRIV const int hwcaps[];
extern SR_PRIV const char *probe_names[];
extern const struct sr_samplerates samplerates;
extern const int32_t chronovu_la8_hwcaps[];
extern uint64_t chronovu_la8_samplerates[];
extern SR_PRIV const char *chronovu_la8_probe_names[];
SR_PRIV void fill_supported_samplerates_if_needed(void);
SR_PRIV int is_valid_samplerate(uint64_t samplerate);
SR_PRIV uint8_t samplerate_to_divcount(uint64_t samplerate);