diff options
Diffstat (limited to 'libsigrok4DSLogic/hardware/DSLogic/command.c')
| -rw-r--r-- | libsigrok4DSLogic/hardware/DSLogic/command.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/libsigrok4DSLogic/hardware/DSLogic/command.c b/libsigrok4DSLogic/hardware/DSLogic/command.c new file mode 100644 index 0000000..33b95e3 --- /dev/null +++ b/libsigrok4DSLogic/hardware/DSLogic/command.c @@ -0,0 +1,208 @@ +/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libusb.h>
+#include "command.h"
+//#include "libsigrok.h"
+#include "libsigrok-internal.h"
+#include "dslogic.h"
+
+SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
+ struct version_info *vi)
+{
+ int ret;
+
+ ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_IN, CMD_GET_FW_VERSION, 0x0000, 0x0000,
+ (unsigned char *)vi, sizeof(struct version_info), 100);
+
+ if (ret < 0) {
+ sr_err("Unable to get version info: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
+ uint8_t *revid)
+{
+ int ret;
+
+ ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_IN, CMD_GET_REVID_VERSION, 0x0000, 0x0000,
+ revid, 1, 100);
+
+ if (ret < 0) {
+ sr_err("Unable to get REVID: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
+ 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("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)
+// delay = 0;
+// }
+
+// if (delay == 0 && (SR_MHZ(30) % samplerate) == 0) {
+// cmd.flags = CMD_START_FLAGS_CLK_30MHZ;
+// delay = SR_MHZ(30) / samplerate - 1;
+// }
+ cmd.flags = CMD_START_FLAGS_CLK_30MHZ;
+ delay = 0;
+
+ sr_info("GPIF delay = %d, clocksource = %sMHz.", delay,
+ (cmd.flags & CMD_START_FLAGS_CLK_48MHZ) ? "48" : "30");
+
+// if (delay <= 0 || delay > MAX_SAMPLE_DELAY) {
+// sr_err("Unable to sample at %" PRIu64 "Hz.", samplerate);
+// return SR_ERR;
+// }
+
+ 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), 3000);
+ if (ret < 0) {
+ sr_err("Unable to send start command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_stop_acquisition(libusb_device_handle *devhdl)
+{
+ struct cmd_start_acquisition cmd;
+ int ret;
+
+ /* stop acquisition command */
+ cmd.flags = CMD_START_FLAGS_STOP;
+ cmd.sample_delay_h = 0;
+ cmd.sample_delay_l = 0;
+
+ /* 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), 3000);
+ if (ret < 0) {
+ sr_err("Unable to send stop command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_fpga_config(libusb_device_handle *devhdl)
+{
+ struct cmd_cfg_count cmd;
+ int ret;
+
+ /* ... */
+ cmd.byte0 = (uint8_t)XC6SLX9_BYTE_CNT;
+ cmd.byte1 = (uint8_t)(XC6SLX9_BYTE_CNT >> 8);
+ cmd.byte2 = (uint8_t)(XC6SLX9_BYTE_CNT >> 16);
+
+ /* Send the control message. */
+ ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_OUT, CMD_CONFIG, 0x0000, 0x0000,
+ (unsigned char *)&cmd, sizeof(cmd), 3000);
+ if (ret < 0) {
+ sr_err("Unable to send FPGA configure command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_fpga_setting(libusb_device_handle *devhdl, uint32_t setting_count)
+{
+ struct cmd_setting_count cmd;
+ int ret;
+
+ /* ... */
+ cmd.byte0 = (uint8_t)setting_count;
+ cmd.byte1 = (uint8_t)(setting_count >> 8);
+ cmd.byte2 = (uint8_t)(setting_count >> 16);
+
+ /* Send the control message. */
+ ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_OUT, CMD_SETTING, 0x0000, 0x0000,
+ (unsigned char *)&cmd, sizeof(cmd), 3000);
+ if (ret < 0) {
+ sr_err("Unable to send FPGA setting command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int command_dso_ctrl(libusb_device_handle *devhdl, uint32_t command)
+{
+ struct cmd_control cmd;
+ int ret;
+
+ /* ... */
+ cmd.byte0 = (uint8_t)command;
+ cmd.byte1 = (uint8_t)(command >> 8);
+ cmd.byte2 = (uint8_t)(command >> 16);
+ cmd.byte3 = (uint8_t)(command >> 24);
+
+
+ /* Send the control command. */
+ ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_OUT, CMD_CONTROL, 0x0000, 0x0000,
+ (unsigned char *)&cmd, sizeof(cmd), 3000);
+ if (ret < 0) {
+ sr_err("Unable to send oscilloscope control command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
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