X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsysclk-lwla%2Flwla.c;h=6e6413fb9c87babcaa138c33814cd6bbde43e436;hb=HEAD;hp=ad0bf5a17b9b349986781094aaa73b09be59599e;hpb=313c7a7da20cb6d8e5e962844ed47d57460ff978;p=libsigrok.git

diff --git a/hardware/sysclk-lwla/lwla.c b/hardware/sysclk-lwla/lwla.c
deleted file mode 100644
index ad0bf5a1..00000000
--- a/hardware/sysclk-lwla/lwla.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Daniel Elstner <daniel.kitta@gmail.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 "lwla.h"
-#include "protocol.h"
-#include "libsigrok-internal.h"
-
-SR_PRIV int lwla_send_bitstream(const struct sr_usb_dev_inst *usb,
-				const char *filename)
-{
-	GMappedFile *file;
-	GError *error;
-	char *stream;
-	size_t length;
-	int ret;
-	int xfer_len;
-
-	if (usb == NULL || filename == NULL)
-		return SR_ERR_ARG;
-
-	sr_info("Downloading FPGA bitstream at '%s'.", filename);
-
-	/* Map bitstream file into memory. */
-	error = NULL;
-	file = g_mapped_file_new(filename, FALSE, &error);
-	if (!file) {
-		sr_err("Unable to open bitstream file: %s.", error->message);
-		g_error_free(error);
-		return SR_ERR;
-	}
-	stream = g_mapped_file_get_contents(file);
-	length = g_mapped_file_get_length(file);
-
-	/* Sanity check. */
-	if (!stream || length < 4 || RB32(stream) != length) {
-		sr_err("Invalid FPGA bitstream.");
-		g_mapped_file_unref(file);
-		return SR_ERR;
-	}
-
-	/* Transfer the entire bitstream in one URB. */
-	ret = libusb_bulk_transfer(usb->devhdl, EP_BITSTREAM,
-				   (unsigned char *)stream, length,
-				   &xfer_len, USB_TIMEOUT);
-	g_mapped_file_unref(file);
-
-	if (ret != 0) {
-		sr_err("Failed to transfer bitstream: %s.",
-		       libusb_error_name(ret));
-		return SR_ERR;
-	}
-	if (xfer_len != (int)length) {
-		sr_err("Failed to transfer bitstream: incorrect length "
-		       "%d != %d.", xfer_len, (int)length);
-		return SR_ERR;
-	}
-	sr_info("FPGA bitstream download of %d bytes done.", xfer_len);
-
-	/* This delay appears to be necessary for reliable operation. */
-	g_usleep(30000);
-
-	return SR_OK;
-}
-
-SR_PRIV int lwla_send_command(const struct sr_usb_dev_inst *usb,
-			      const uint16_t *command, int cmd_len)
-{
-	int ret;
-	int xfer_len;
-
-	if (usb == NULL || command == NULL || cmd_len <= 0)
-		return SR_ERR_ARG;
-
-	xfer_len = 0;
-	ret = libusb_bulk_transfer(usb->devhdl, EP_COMMAND,
-				   (unsigned char *)command, cmd_len * 2,
-				   &xfer_len, USB_TIMEOUT);
-	if (ret != 0) {
-		sr_dbg("Failed to send command %u: %s.",
-		       LWLA_READ16(command), libusb_error_name(ret));
-		return SR_ERR;
-	}
-	if (xfer_len != cmd_len * 2) {
-		sr_dbg("Failed to send command %u: incorrect length %d != %d.",
-		       LWLA_READ16(command), xfer_len, cmd_len * 2);
-		return SR_ERR;
-	}
-	return SR_OK;
-}
-
-SR_PRIV int lwla_receive_reply(const struct sr_usb_dev_inst *usb,
-			       uint16_t *reply, int reply_len, int expect_len)
-{
-	int ret;
-	int xfer_len;
-
-	if (usb == NULL || reply == NULL || reply_len <= 0)
-		return SR_ERR_ARG;
-
-	xfer_len = 0;
-	ret = libusb_bulk_transfer(usb->devhdl, EP_REPLY,
-				   (unsigned char *)reply, reply_len * 2,
-				   &xfer_len, USB_TIMEOUT);
-	if (ret != 0) {
-		sr_dbg("Failed to receive reply: %s.", libusb_error_name(ret));
-		return SR_ERR;
-	}
-	if (xfer_len != expect_len * 2) {
-		sr_dbg("Failed to receive reply: incorrect length %d != %d.",
-		       xfer_len, expect_len * 2);
-		return SR_ERR;
-	}
-	return SR_OK;
-}
-
-SR_PRIV int lwla_read_reg(const struct sr_usb_dev_inst *usb,
-			  uint16_t reg, uint32_t *value)
-{
-	int ret;
-	uint16_t command[2];
-	uint16_t reply[256]; /* full EP buffer to avoid overflows */
-
-	command[0] = LWLA_WORD(CMD_READ_REG);
-	command[1] = LWLA_WORD(reg);
-
-	ret = lwla_send_command(usb, command, G_N_ELEMENTS(command));
-
-	if (ret != SR_OK)
-		return ret;
-
-	ret = lwla_receive_reply(usb, reply, G_N_ELEMENTS(reply), 2);
-
-	if (ret == SR_OK)
-		*value = LWLA_READ32(reply);
-
-	return ret;
-}
-
-SR_PRIV int lwla_write_reg(const struct sr_usb_dev_inst *usb,
-			   uint16_t reg, uint32_t value)
-{
-	uint16_t command[4];
-
-	command[0] = LWLA_WORD(CMD_WRITE_REG);
-	command[1] = LWLA_WORD(reg);
-	command[2] = LWLA_WORD_0(value);
-	command[3] = LWLA_WORD_1(value);
-
-	return lwla_send_command(usb, command, G_N_ELEMENTS(command));
-}
-
-SR_PRIV int lwla_write_regs(const struct sr_usb_dev_inst *usb,
-			    const struct regval_pair *regvals, int count)
-{
-	int i;
-	int ret;
-
-	ret = SR_OK;
-
-	for (i = 0; i < count; ++i) {
-		ret = lwla_write_reg(usb, regvals[i].reg, regvals[i].val);
-
-		if (ret != SR_OK)
-			break;
-	}
-
-	return ret;
-}