X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffx2lafw%2Fcommand.c;h=5a085bb6a799ab22a6502436556647c565876878;hb=aee878fa2efb8483bf93fa3bb03508357fc713a8;hp=6d033bef0c7b1e5737c1c61fb2d905b4cbb742be;hpb=dc68c660d566424e9d83b19959a79d40e599c71c;p=libsigrok.git diff --git a/hardware/fx2lafw/command.c b/hardware/fx2lafw/command.c index 6d033bef..5a085bb6 100644 --- a/hardware/fx2lafw/command.c +++ b/hardware/fx2lafw/command.c @@ -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) @@ -59,16 +59,22 @@ 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; - if(delay > MAX_SAMPLE_DELAY) + if (delay > MAX_SAMPLE_DELAY) delay = 0; } @@ -77,7 +83,7 @@ SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl, delay = SR_MHZ(30) / samplerate - 1; } - sr_info("fx2lafw: gpif delay = %d, clocksource = %sMHz", delay, + sr_info("fx2lafw: GPIF delay = %d, clocksource = %sMHz", delay, (cmd.flags & CMD_START_FLAGS_CLK_48MHZ) ? "48" : "30"); if (delay <= 0 || delay > MAX_SAMPLE_DELAY) { @@ -86,8 +92,12 @@ SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl, return SR_ERR; } - cmd.sample_delay_h = (delay >> 8) & 0x00FF; - cmd.sample_delay_l = delay & 0x00FF; + 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 |