serial-dmm: Add Voltcraft VC-820 (UT-D02) support.

[libsigrok.git] / hardware / fx2lafw / command.c

diff --git a/hardware/fx2lafw/command.c b/hardware/fx2lafw/command.c
index 0b89f88ca0f3550332a4454487f5442c1be20635..6c72c8d035d4855cf41c6911548a4f69f22d722c 100644 (file)
--- a/hardware/fx2lafw/command.c
+++ b/hardware/fx2lafw/command.c
@@ -18,11 +18,10 @@
  */
 
 #include <libusb.h>
-
 #include "fx2lafw.h"
 #include "command.h"
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
 
 SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
                                   struct version_info *vi)
@@ -34,7 +33,8 @@ SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
                (unsigned char *)vi, sizeof(struct version_info), 100);
 
        if (ret < 0) {
-               sr_err("fx2lafw: Unable to get version info: %d.", ret);
+               sr_err("fx2lafw: Unable to get version info: %s.",
+                      libusb_error_name(ret));
                return SR_ERR;
        }
 
@@ -51,7 +51,8 @@ SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
                revid, 1, 100);
 
        if (ret < 0) {
-               sr_err("fx2lafw: Unable to get REVID: %d.", ret);
+               sr_err("fx2lafw: Unable to get REVID: %s.",
+                      libusb_error_name(ret));
                return SR_ERR;
        }
 
@@ -59,12 +60,18 @@ SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
 }
 
 SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
-                                     uint64_t samplerate)
+                                     uint64_t samplerate, gboolean samplewide)
 {
        struct cmd_start_acquisition cmd;
        int delay = 0, ret;
 
        /* Compute the sample rate. */
+       if (samplewide && samplerate > MAX_16BIT_SAMPLE_RATE) {
+               sr_err("fx2lafw: Unable to sample at %" PRIu64 "Hz "
+                      "when collecting 16-bit samples.", samplerate);
+               return SR_ERR;
+       }
+
        if ((SR_MHZ(48) % samplerate) == 0) {
                cmd.flags = CMD_START_FLAGS_CLK_48MHZ;
                delay = SR_MHZ(48) / samplerate - 1;
@@ -89,12 +96,17 @@ SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
        cmd.sample_delay_h = (delay >> 8) & 0xff;
        cmd.sample_delay_l = delay & 0xff;
 
+       /* Select the sampling width */
+       cmd.flags |= samplewide ? CMD_START_FLAGS_SAMPLE_16BIT :
+               CMD_START_FLAGS_SAMPLE_8BIT;
+
        /* Send the control message. */
        ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
                        LIBUSB_ENDPOINT_OUT, CMD_START, 0x0000, 0x0000,
                        (unsigned char *)&cmd, sizeof(cmd), 100);
        if (ret < 0) {
-               sr_err("fx2lafw: Unable to send start command: %d.", ret);
+               sr_err("fx2lafw: Unable to send start command: %s.",
+                      libusb_error_name(ret));
                return SR_ERR;
        }