]> sigrok.org Git - libsigrok.git/blobdiff - hardware/fx2lafw/command.c
sr: moved sigrok.h so libsigrok/libsigrok.h
[libsigrok.git] / hardware / fx2lafw / command.c
index 0b89f88ca0f3550332a4454487f5442c1be20635..5a085bb6a799ab22a6502436556647c565876878 100644 (file)
@@ -21,8 +21,8 @@
 
 #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)
@@ -59,12 +59,18 @@ 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;
@@ -89,6 +95,10 @@ 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,