projects / libsigrok.git / blame
| Commit | Line | Data |
|---|---|---|
| a7d7f93c BV |
1 | /* |
| 2 | * This file is part of the libsigrok project. | |
| 3 | * | |
| 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
| 5 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
| 6 | * | |
| 7 | * This program is free software: you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation, either version 3 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | * | |
| 12 | * This program is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | */ | |
| 20 | ||
| 21 | #include <sys/types.h> | |
| 22 | #include <sys/stat.h> | |
| 23 | #include <unistd.h> | |
| 24 | #include <errno.h> | |
| 25 | #include <glib.h> | |
| 26 | #include <glib/gstdio.h> | |
| 27 | #include "protocol.h" | |
| 28 | ||
| 29 | #define FW_BUFSIZE 4096 | |
| 30 | int dslogic_fpga_firmware_upload(struct libusb_device_handle *hdl, | |
| 31 | const char *filename) | |
| 32 | { | |
| 33 | FILE *fw; | |
| 34 | struct stat st; | |
| 35 | int chunksize, result, ret; | |
| 36 | unsigned char *buf; | |
| 37 | int sum, transferred; | |
| 38 | ||
| 39 | sr_info("Uploading FPGA firmware at %s.", filename); | |
| 40 | ||
| 41 | if (stat(filename, &st) < 0) { | |
| 42 | sr_err("Unable to upload FPGA firmware: %s", strerror(errno)); | |
| 43 | return SR_ERR; | |
| 44 | } | |
| 45 | ||
| 46 | /* Tell the device firmware is coming. */ | |
| 47 | if ((ret = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR | | |
| 48 | LIBUSB_ENDPOINT_OUT, CMD_DSLOGIC_CONFIG, 0x0000, 0x0000, | |
| 49 | NULL, 0, 3000)) < 0) { | |
| 50 | sr_err("Failed to upload FPGA firmware: %s.", libusb_error_name(ret)); | |
| 51 | return SR_ERR; | |
| 52 | } | |
| 53 | buf = g_malloc(FW_BUFSIZE); | |
| 54 | ||
| 55 | if ((fw = g_fopen(filename, "rb")) == NULL) { | |
| 56 | sr_err("Unable to open %s for reading: %s.", filename, strerror(errno)); | |
| 57 | return SR_ERR; | |
| 58 | } | |
| 59 | ||
| 60 | /* Give the FX2 time to get ready for FPGA firmware upload. */ | |
| 61 | g_usleep(10 * 1000); | |
| 62 | ||
| 63 | sum = 0; | |
| 64 | result = SR_OK; | |
| 65 | while (1) { | |
| 66 | if ((chunksize = fread(buf, 1, FW_BUFSIZE, fw)) == 0) | |
| 67 | break; | |
| 68 | ||
| 69 | if ((ret = libusb_bulk_transfer(hdl, 2 | LIBUSB_ENDPOINT_OUT, | |
| 70 | buf, chunksize, &transferred, 1000)) < 0) { | |
| 71 | sr_err("Unable to configure FPGA firmware: %s.", | |
| 72 | libusb_error_name(ret)); | |
| 73 | result = SR_ERR; | |
| 74 | break; | |
| 75 | } | |
| 76 | sum += transferred; | |
| 77 | sr_info("Uploaded %d/%d bytes.", sum, st.st_size); | |
| 78 | ||
| 79 | if (transferred != chunksize) { | |
| 80 | sr_err("Short transfer while uploading FPGA firmware."); | |
| 81 | result = SR_ERR; | |
| 82 | break; | |
| 83 | } | |
| 84 | } | |
| 85 | fclose(fw); | |
| 86 | if (result == SR_OK) | |
| 87 | sr_info("FPGA firmware upload done."); | |
| 88 | ||
| 89 | return result; | |
| 90 | } | |
| 91 |