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@ -24,7 +24,6 @@
@@ -24,7 +24,6 @@
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#define DI8 0x07 |
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static unsigned char crc8_table[256]; /* CRC-8 table */ |
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static uint32_t crc32_table[256]; /* CRC-32 table */ |
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void hf_init_crc8(void) |
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{ |
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@ -51,47 +50,6 @@ static unsigned char __maybe_unused hf_crc8(unsigned char *h)
@@ -51,47 +50,6 @@ static unsigned char __maybe_unused hf_crc8(unsigned char *h)
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return crc; |
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} |
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#define DI32 0x04c11db7L |
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void hf_init_crc32(void) |
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{ |
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uint32_t i, j; |
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uint32_t crc; |
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for (i = 0; i < 256; i++){ |
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crc = i << 24; |
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for (j = 0; j < 8; j++) { |
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if (crc & 0x80000000L) |
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crc = (crc << 1) ^ DI32; |
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else |
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crc = (crc << 1); |
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} |
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crc32_table[i] = crc; |
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} |
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} |
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static uint32_t __maybe_unused hf_crc32(unsigned char *p, int len, int plug_in) |
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{ |
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uint32_t crc = 0xffffffffU, crc_sav; |
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uint32_t i; |
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while (len--) { |
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i = ((crc >> 24) ^ *p++) & 0xff; |
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crc = (crc << 8) ^ crc32_table[i]; |
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} |
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crc_sav = crc; |
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applog(LOG_DEBUG, "hf_crc32: crc is 0x%08x", crc); |
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if (plug_in) { |
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for (i = 0; i < 4; i++, crc >>= 8) |
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*p++ = crc & 0xff; |
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} |
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return crc_sav; |
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} |
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static hf_info_t **hashfast_infos; |
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struct hf_cmd { |
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@ -140,12 +98,12 @@ static int __maybe_unused hashfast_send_frame(struct cgpu_info *hashfast, uint8_
@@ -140,12 +98,12 @@ static int __maybe_unused hashfast_send_frame(struct cgpu_info *hashfast, uint8_
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p->hdata = htole16(hdata); |
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p->data_length = len / 4; |
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p->crc8 = hf_crc8(packet); |
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tx_length = sizeof(struct hf_header); |
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if (len) { |
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if (len) |
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memcpy(&packet[sizeof(struct hf_header)], data, len); |
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hf_crc32(&packet[sizeof(struct hf_header)], len, 1); |
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tx_length += len + 4; |
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} |
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tx_length = sizeof(struct hf_header) + len; |
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tx_length = sizeof(struct hf_header); |
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ret = usb_write(hashfast, (char *)packet, tx_length, &amount, |
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hf_cmds[opcode].usb_cmd); |
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@ -295,10 +253,8 @@ static bool hashfast_detect_one_usb(libusb_device *dev, struct usb_find_devices
@@ -295,10 +253,8 @@ static bool hashfast_detect_one_usb(libusb_device *dev, struct usb_find_devices
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static void hashfast_detect(bool hotplug) |
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{ |
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/* Set up the CRC tables only once. */ |
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if (!hotplug) { |
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if (!hotplug) |
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hf_init_crc8(); |
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hf_init_crc32(); |
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} |
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usb_detect(&hashfast_drv, hashfast_detect_one_usb); |
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} |
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