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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Copyright (C) 2018 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include <string.h>
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#include "fu-common.h"
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#include "fu-wac-common.h"
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guint32
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fu_wac_calculate_checksum32le (const guint8 *data, gsize len)
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{
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guint32 csum = 0x0;
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g_return_val_if_fail (len % 4 == 0, 0xff);
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for (guint i = 0; i < len; i += 4) {
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guint32 tmp;
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memcpy (&tmp, &data[i], sizeof(guint32));
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csum += GUINT32_FROM_LE (tmp);
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}
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return GUINT32_TO_LE (csum);
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}
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guint32
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fu_wac_calculate_checksum32le_bytes (GBytes *blob)
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{
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gsize len = 0;
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const guint8 *data = g_bytes_get_data (blob, &len);
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return fu_wac_calculate_checksum32le (data, len);
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}
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const gchar *
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fu_wac_report_id_to_string (guint8 report_id)
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{
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if (report_id == FU_WAC_REPORT_ID_FW_DESCRIPTOR)
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return "FwDescriptor";
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if (report_id == FU_WAC_REPORT_ID_SWITCH_TO_FLASH_LOADER)
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return "SwitchToFlashLoader";
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if (report_id == FU_WAC_REPORT_ID_QUIT_AND_RESET)
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return "QuitAndReset";
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if (report_id == FU_WAC_REPORT_ID_READ_BLOCK_DATA)
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return "ReadBlockData";
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if (report_id == FU_WAC_REPORT_ID_WRITE_BLOCK)
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return "WriteBlock";
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if (report_id == FU_WAC_REPORT_ID_ERASE_BLOCK)
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return "EraseBlock";
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if (report_id == FU_WAC_REPORT_ID_SET_READ_ADDRESS)
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return "SetReadAddress";
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if (report_id == FU_WAC_REPORT_ID_GET_STATUS)
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return "GetStatus";
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if (report_id == FU_WAC_REPORT_ID_UPDATE_RESET)
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return "UpdateReset";
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if (report_id == FU_WAC_REPORT_ID_WRITE_WORD)
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return "WriteWord";
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if (report_id == FU_WAC_REPORT_ID_GET_PARAMETERS)
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return "GetParameters";
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if (report_id == FU_WAC_REPORT_ID_GET_FLASH_DESCRIPTOR)
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return "GetFlashDescriptor";
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if (report_id == FU_WAC_REPORT_ID_GET_CHECKSUMS)
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return "GetChecksums";
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if (report_id == FU_WAC_REPORT_ID_SET_CHECKSUM_FOR_BLOCK)
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return "SetChecksumForBlock";
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if (report_id == FU_WAC_REPORT_ID_CALCULATE_CHECKSUM_FOR_BLOCK)
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return "CalculateChecksumForBlock";
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if (report_id == FU_WAC_REPORT_ID_WRITE_CHECKSUM_TABLE)
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return "WriteChecksumTable";
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if (report_id == FU_WAC_REPORT_ID_GET_CURRENT_FIRMWARE_IDX)
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return "GetCurrentFirmwareIdx";
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if (report_id == FU_WAC_REPORT_ID_MODULE)
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return "Module";
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return NULL;
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}
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void
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fu_wac_buffer_dump (const gchar *title, guint8 cmd, const guint8 *buf, gsize sz)
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{
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g_autofree gchar *tmp = NULL;
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if (g_getenv ("FWUPD_WACOM_USB_VERBOSE") == NULL)
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return;
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tmp = g_strdup_printf ("%s %s (%" G_GSIZE_FORMAT ")",
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title, fu_wac_report_id_to_string (cmd), sz);
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fu_common_dump_raw (G_LOG_DOMAIN, tmp, buf, sz);
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}
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