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hantek-4032l: Simplify some config_get/_set parts. 

Also, drop some unneeded checks.
This commit is contained in:
Uwe Hermann 2018-06-05 23:43:23 +02:00
parent 583fc126d0
commit cbc656e45f
1 changed files with 15 additions and 25 deletions
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40
src/hardware/hantek-4032l/api.c
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@ -56,6 +56,10 @@ static const uint32_t devopts_cg[] = {
SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};
static const char *cg_names[] = {
"A", "B",
};
static const char *signal_edges[] = {
[H4032L_CLOCK_EDGE_TYPE_RISE] = "rising",
[H4032L_CLOCK_EDGE_TYPE_FALL] = "falling",
@ -336,20 +340,16 @@ static int config_get(uint32_t key, GVariant **data,
{
struct dev_context *devc = sdi->priv;
struct sr_usb_dev_inst *usb;
unsigned int idx;
int idx;
switch (key) {
case SR_CONF_VOLTAGE_THRESHOLD:
if (!cg)
return SR_ERR_CHANNEL_GROUP;
if (!strcmp(cg->name, "A"))
*data = std_gvar_tuple_double(
devc->cur_threshold[0], devc->cur_threshold[0]);
else if (!strcmp(cg->name, "B"))
*data = std_gvar_tuple_double(
devc->cur_threshold[1], devc->cur_threshold[1]);
else
if ((idx = std_str_idx_s(cg->name, ARRAY_AND_SIZE(cg_names))) < 0)
return SR_ERR_CHANNEL_GROUP;
*data = std_gvar_tuple_double(
devc->cur_threshold[idx], devc->cur_threshold[idx]);
break;
case SR_CONF_SAMPLERATE:
*data = g_variant_new_uint64(samplerates_hw[devc->sample_rate]);
@ -364,10 +364,7 @@ static int config_get(uint32_t key, GVariant **data,
*data = g_variant_new_boolean(devc->external_clock);
break;
case SR_CONF_EXTERNAL_CLOCK_SOURCE:
idx = devc->external_clock_source;
if (idx >= ARRAY_SIZE(ext_clock_sources))
return SR_ERR_BUG;
*data = g_variant_new_string(ext_clock_sources[idx]);
*data = g_variant_new_string(ext_clock_sources[devc->external_clock_source]);
break;
case SR_CONF_CONN:
if (!sdi || !(usb = sdi->conn))
@ -375,10 +372,7 @@ static int config_get(uint32_t key, GVariant **data,
*data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
break;
case SR_CONF_CLOCK_EDGE:
idx = devc->clock_edge;
if (idx >= ARRAY_SIZE(signal_edges))
return SR_ERR_BUG;
*data = g_variant_new_string(signal_edges[idx]);
*data = g_variant_new_string(signal_edges[devc->clock_edge]);
break;
default:
return SR_ERR_NA;
@ -394,13 +388,13 @@ static int config_set(uint32_t key, GVariant *data,
struct dev_context *devc = sdi->priv;
struct h4032l_cmd_pkt *cmd_pkt = &devc->cmd_pkt;
uint64_t sample_rate, number_samples;
double low, high, threshold;
double low, high;
switch (key) {
case SR_CONF_SAMPLERATE:
idx = 0;
sample_rate = g_variant_get_uint64(data);
while (idx < ARRAY_SIZE(samplerates_hw) && samplerates_hw[idx] != sample_rate)
while (idx < (int)ARRAY_SIZE(samplerates_hw) && samplerates_hw[idx] != sample_rate)
idx++;
if (idx == ARRAY_SIZE(samplerates_hw) || sample_rate == 0) {
sr_err("Invalid sample rate.");
@ -426,14 +420,10 @@ static int config_set(uint32_t key, GVariant *data,
case SR_CONF_VOLTAGE_THRESHOLD:
if (!cg)
return SR_ERR_CHANNEL_GROUP;
g_variant_get(data, "(dd)", &low, &high);
threshold = (low + high) / 2.0;
if (!strcmp(cg->name, "A"))
devc->cur_threshold[0] = threshold;
else if (!strcmp(cg->name, "B"))
devc->cur_threshold[1] = threshold;
else
if ((idx = std_str_idx_s(cg->name, ARRAY_AND_SIZE(cg_names))) < 0)
return SR_ERR_CHANNEL_GROUP;
g_variant_get(data, "(dd)", &low, &high);
devc->cur_threshold[idx] = (low + high) / 2.0;
break;
case SR_CONF_EXTERNAL_CLOCK:
devc->external_clock = g_variant_get_boolean(data);