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hameg-hmo: Don't hardcode POD/channel numbers. 

Don't hardcode the number of PODs or the number of logic (digital)
channels per POD.
This commit is contained in:
Guido Trentalancia 2018-11-20 16:00:48 +01:00 committed by Uwe Hermann
parent 0c96de7223
commit a12456f1bb
3 changed files with 21 additions and 26 deletions
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14
src/hardware/hameg-hmo/api.c
View File

@ -415,7 +415,7 @@ static int config_set(uint32_t key, GVariant *data,
if (model->logic_threshold_for_pod)
i = j + 1;
else
i = j * 8;
i = j * DIGITAL_CHANNELS_PER_POD;
g_snprintf(command, sizeof(command),
(*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_THRESHOLD],
i, (*model->logic_threshold)[idx]);
@ -442,7 +442,7 @@ static int config_set(uint32_t key, GVariant *data,
if (model->logic_threshold_for_pod)
idx = j + 1;
else
idx = j * 8;
idx = j * DIGITAL_CHANNELS_PER_POD;
/* Try to support different dialects exhaustively. */
for (i = 0; i < model->num_logic_threshold; i++) {
if (!strcmp("USER2", (*model->logic_threshold)[i])) {
@ -595,7 +595,7 @@ SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi)
case SR_CHANNEL_LOGIC:
g_snprintf(command, sizeof(command),
(*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA],
ch->index < 8 ? 1 : 2);
ch->index / DIGITAL_CHANNELS_PER_POD + 1);
break;
default:
sr_err("Invalid channel type.");
@ -632,7 +632,7 @@ static int hmo_check_channels(GSList *channels)
enabled_chan[idx] = TRUE;
break;
case SR_CHANNEL_LOGIC:
idx = ch->index / 8;
idx = ch->index / DIGITAL_CHANNELS_PER_POD;
if (idx < ARRAY_SIZE(enabled_pod))
enabled_pod[idx] = TRUE;
break;
@ -697,10 +697,10 @@ static int hmo_setup_channels(const struct sr_dev_inst *sdi)
case SR_CHANNEL_LOGIC:
/*
* A digital POD needs to be enabled for every group of
* 8 channels.
* DIGITAL_CHANNELS_PER_POD channels.
*/
if (ch->enabled)
pod_enabled[ch->index < 8 ? 0 : 1] = TRUE;
pod_enabled[ch->index / DIGITAL_CHANNELS_PER_POD] = TRUE;
if (ch->enabled == state->digital_channels[ch->index])
break;
@ -778,7 +778,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
if (!ch->enabled)
continue;
/* Only add a single digital channel per group (pod). */
group = ch->index / 8;
group = ch->index / DIGITAL_CHANNELS_PER_POD;
if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) {
devc->enabled_channels = g_slist_append(
devc->enabled_channels, ch);

19
src/hardware/hameg-hmo/protocol.c
View File

@ -326,7 +326,7 @@ static const char *scope_digital_channel_names[] = {
"D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
};
static const struct scope_config scope_models[] = {
static struct scope_config scope_models[] = {
{
/* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
.name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
@ -374,7 +374,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTC1002", "HMO1002", "HMO1202", NULL},
.analog_channels = 2,
.digital_channels = 8,
.digital_pods = 1,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -417,7 +416,6 @@ static const struct scope_config scope_models[] = {
.name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
.analog_channels = 2,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -460,7 +458,6 @@ static const struct scope_config scope_models[] = {
.name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
.analog_channels = 4,
.digital_channels = 8,
.digital_pods = 1,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -502,7 +499,6 @@ static const struct scope_config scope_models[] = {
.name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
.analog_channels = 4,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -544,7 +540,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTB2002", NULL},
.analog_channels = 2,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -586,7 +581,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTB2004", NULL},
.analog_channels = 4,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -628,7 +622,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTM3002", NULL},
.analog_channels = 2,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -670,7 +663,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTM3004", NULL},
.analog_channels = 4,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -712,7 +704,6 @@ static const struct scope_config scope_models[] = {
.name = {"RTA4004", NULL},
.analog_channels = 4,
.digital_channels = 16,
.digital_pods = 2,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names,
@ -997,7 +988,7 @@ static int digital_channel_state_get(struct sr_dev_inst *sdi,
if (config->logic_threshold_for_pod)
idx = i + 1;
else
idx = i * 8;
idx = i * DIGITAL_CHANNELS_PER_POD;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
@ -1191,6 +1182,8 @@ SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
sr_dbg("Unsupported device.");
return SR_ERR_NA;
}
/* Configure the number of PODs given the number of digital channels. */
scope_models[model_index].digital_pods = scope_models[model_index].digital_channels / DIGITAL_CHANNELS_PER_POD;
devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
scope_models[model_index].analog_channels);
@ -1237,7 +1230,7 @@ SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
(*scope_models[model_index].digital_names)[i]);
group = i / 8;
group = i / DIGITAL_CHANNELS_PER_POD;
devc->digital_groups[group]->channels = g_slist_append(
devc->digital_groups[group]->channels, ch);
}
@ -1468,7 +1461,7 @@ SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
packet.payload = &logic;
sr_session_send(sdi, &packet);
} else {
group = ch->index / 8;
group = ch->index / DIGITAL_CHANNELS_PER_POD;
hmo_queue_logic_data(devc, group, data);
}

14
src/hardware/hameg-hmo/protocol.h
View File

@ -28,17 +28,19 @@
#define LOG_PREFIX "hameg-hmo"
#define MAX_INSTRUMENT_VERSIONS 10
#define MAX_COMMAND_SIZE 128
#define MAX_ANALOG_CHANNEL_COUNT 4
#define MAX_DIGITAL_CHANNEL_COUNT 16
#define MAX_DIGITAL_GROUP_COUNT 2
#define DIGITAL_CHANNELS_PER_POD 8
#define MAX_INSTRUMENT_VERSIONS 10
#define MAX_COMMAND_SIZE 128
#define MAX_ANALOG_CHANNEL_COUNT 4
#define MAX_DIGITAL_CHANNEL_COUNT 16
#define MAX_DIGITAL_GROUP_COUNT 2
struct scope_config {
const char *name[MAX_INSTRUMENT_VERSIONS];
const uint8_t analog_channels;
const uint8_t digital_channels;
const uint8_t digital_pods;
uint8_t digital_pods;
const char *(*analog_names)[];
const char *(*digital_names)[];