demo: support up to 128 logic channels, enable the lower 8 by default

[libsigrok.git] / src / hardware / demo / api.c

diff --git a/src/hardware/demo/api.c b/src/hardware/demo/api.c
index 9aa6559744008387b5c42a24b97305176003716e..769c87e6845afb4eda145435e11d05132b66138e 100644 (file)
--- a/src/hardware/demo/api.c
+++ b/src/hardware/demo/api.c
@@ -28,9 +28,12 @@
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
-#define DEFAULT_NUM_LOGIC_CHANNELS     8
-#define DEFAULT_NUM_ANALOG_CHANNELS    4
+#define DEFAULT_NUM_LOGIC_CHANNELS     128
+#define DEFAULT_ENABLED_LOGIC_CHANNELS 8
+#define DEFAULT_LOGIC_PATTERN          PATTERN_SIGROK
 
+#define DEFAULT_NUM_ANALOG_CHANNELS    4
+#define DEFAULT_ENABLED_ANALOG_CHANNELS        4
 #define DEFAULT_ANALOG_AMPLITUDE       10
 
 static const char *logic_pattern_str[] = {
@@ -92,6 +95,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        GSList *l;
        int num_logic_channels, num_analog_channels, pattern, i;
        char channel_name[16];
+       gboolean enabled;
 
        num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS;
        num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS;
@@ -115,7 +119,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        devc->cur_samplerate = SR_KHZ(200);
        devc->num_logic_channels = num_logic_channels;
        devc->logic_unitsize = (devc->num_logic_channels + 7) / 8;
-       devc->logic_pattern = PATTERN_SIGROK;
+       devc->logic_pattern = DEFAULT_LOGIC_PATTERN;
        devc->num_analog_channels = num_analog_channels;
 
        if (num_logic_channels > 0) {
@@ -124,7 +128,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                cg->name = g_strdup("Logic");
                for (i = 0; i < num_logic_channels; i++) {
                        sprintf(channel_name, "D%d", i);
-                       ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
+                       enabled = (i < DEFAULT_ENABLED_LOGIC_CHANNELS) ? TRUE : FALSE;
+                       ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, enabled, channel_name);
                        cg->channels = g_slist_append(cg->channels, ch);
                }
                sdi->channel_groups = g_slist_append(NULL, cg);
@@ -141,8 +146,9 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal);
                for (i = 0; i < num_analog_channels; i++) {
                        snprintf(channel_name, 16, "A%d", i);
+                       enabled = (i < DEFAULT_ENABLED_ANALOG_CHANNELS) ? TRUE : FALSE;
                        ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG,
-                                       TRUE, channel_name);
+                                       enabled, channel_name);
                        acg->channels = g_slist_append(acg->channels, ch);
 
                        /* Every analog channel gets its own channel group as well. */