add ontinuous mode for demo driver

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

diff --git a/hardware/demo/demo.c b/hardware/demo/demo.c
index 05b44a359c65ac49037fc1c1c7242f20202815b0..dcf5e7c28e4ec1947b50039a45949fa563a9cc6f 100644 (file)
--- a/hardware/demo/demo.c
+++ b/hardware/demo/demo.c
@@ -48,6 +48,7 @@ static int capabilities[] = {
        HWCAP_LOGIC_ANALYZER,
        HWCAP_SAMPLERATE,
        HWCAP_LIMIT_SAMPLES,
+       HWCAP_CONTINUOUS
 };
 
 /* Random selection of samplerates this "device" shall support. */
@@ -83,7 +84,7 @@ static GSList *device_instances = NULL;
 
 /* TODO: All of these should go in a device-specific struct. */
 static uint64_t cur_samplerate = 0;
-static uint64_t limit_samples = 0;
+static uint64_t limit_samples = -1;
 // static uint8_t probe_mask = 0;
 // static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 };
 // static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 };
@@ -227,7 +228,10 @@ static void thread_func(void *data)
        uint64_t nb_to_send = 0;
 
        while (thread_running) {
-               nb_to_send = limit_samples - mydata->samples_counter;
+               if (limit_samples)
+                       nb_to_send = limit_samples - mydata->samples_counter;
+               else
+                       nb_to_send = BUFSIZE;  // CONTINUOUS MODE
 
                if (nb_to_send == 0) {
                        close(mydata->pipe_fds[1]);