demo: stored-pattern generator now keeps state

diff --git a/hardware/demo/demo.c b/hardware/demo/demo.c
index aac08599b0d85d69379ba82a4a227829219c572b..f36024c8c3d1fa351146739c68728fd2fbfaec95 100644 (file)
--- a/hardware/demo/demo.c
+++ b/hardware/demo/demo.c
@@ -206,14 +206,14 @@ static int hw_set_configuration(int device_index, int capability, void *value)
 
 static void samples_generator(uint8_t *buf, uint64_t size, void *data)
 {
+       static uint64_t p = 0;
        struct databag *mydata = data;
-       uint64_t p, i;
+       uint64_t i;
 
        memset(buf, 0, size);
 
        switch (mydata->sample_generator) {
        case GENMODE_DEFAULT:
-               p = 0;
                for (i = 0; i < size; i++) {
                        *(buf + i) = ~(genmode_default[p] >> 1);
                        if (++p == 64)
@@ -352,6 +352,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
 
        /* Run the demo thread. */
        g_thread_init(NULL);
+       /* this needs to be done between g_thread_init() and g_thread_create() */
        mydata->timer = g_timer_new();
        thread_running = 1;
        my_thread =