/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software: you can redistribute it and/or modify
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef LIBSIGROK_HARDWARE_FX2LAFW
-#define LIBSIGROK_HARDWARE_FX2LAFW
+#ifndef LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
+#define LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
+
+#include <glib.h>
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "fx2lafw: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+
+#define USB_INTERFACE 0
+#define USB_CONFIGURATION 1
+#define NUM_TRIGGER_STAGES 4
+#define TRIGGER_TYPE "01"
+
+#define MAX_RENUM_DELAY_MS 3000
+#define NUM_SIMUL_TRANSFERS 32
+#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2)
+
+#define FX2LAFW_REQUIRED_VERSION_MAJOR 1
+
+#define MAX_8BIT_SAMPLE_RATE SR_MHZ(24)
+#define MAX_16BIT_SAMPLE_RATE SR_MHZ(12)
+
+/* 6 delay states of up to 256 clock ticks */
+#define MAX_SAMPLE_DELAY (6 * 256)
+
+/* Software trigger implementation: positive values indicate trigger stage. */
+#define TRIGGER_FIRED -1
+
+#define DEV_CAPS_16BIT_POS 0
+
+#define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS)
struct fx2lafw_profile {
uint16_t vid;
uint16_t pid;
- char *vendor;
- char *model;
- char *model_version;
+ const char *vendor;
+ const char *model;
+ const char *model_version;
- int num_probes;
+ const char *firmware;
+
+ uint32_t dev_caps;
};
-struct fx2lafw_device {
- struct fx2lafw_profile *profile;
+struct dev_context {
+ const struct fx2lafw_profile *profile;
+ /*
+ * Since we can't keep track of an fx2lafw device after upgrading
+ * the firmware (it renumerates into a different device address
+ * after the upgrade) this is like a global lock. No device will open
+ * until a proper delay after the last device was upgraded.
+ */
+ int64_t fw_updated;
+
+ /* Device/capture settings */
+ uint64_t cur_samplerate;
+ uint64_t limit_samples;
+
+ /* Operational settings */
+ gboolean sample_wide;
+ uint16_t trigger_mask[NUM_TRIGGER_STAGES];
+ uint16_t trigger_value[NUM_TRIGGER_STAGES];
+ int trigger_stage;
+ uint16_t trigger_buffer[NUM_TRIGGER_STAGES];
- void *session_data;
+ int num_samples;
+ int submitted_transfers;
+ int empty_transfer_count;
- struct sr_usb_device_instance *usb;
+ void *cb_data;
+ unsigned int num_transfers;
+ struct libusb_transfer **transfers;
+ int *usbfd;
};
#endif