openpcd/firmware/src/pcd.h @ master
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#ifndef _OPENPCD_H
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#define _OPENPCD_H
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/* pcd.h - OpenPCD USB protocol definitions
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* (C) 2006 Harald Welte <laforge@gnumonks.org>
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*/
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#include <sys/types.h>
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struct opcd_cmd_hdr { |
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uint8_t cmd; |
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uint8_t arg1; |
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uint16_t arg2; |
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} __attribute__ ((packed)); |
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enum opcd_cmd { |
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OPCD_CMD_REG_READ = 0x01, /* Transparent Read of RC632 REG */ |
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OPCD_CMD_REG_WRITE = 0x02, /* Transparent Write to RC632 REG */ |
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OPCD_CMD_FIFO_READ = 0x03, /* Transparent Read fron RC632 FIFO */ |
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OPCD_CMD_FIFO_WRITE = 0x04, /* Transparent Write to RC632 FIFO */ |
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OPCD_CMD_VFIFO_READ = 0x05, /* Read bytes from virtual FIFO */ |
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OPCD_CMD_VFIFO_WRITE = 0x06, /* Write bytes to virtual FIFO */ |
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OPCD_CMD_VFIFO_MODE = 0x07, /* Set Virtual FIFO mode */ |
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OPCD_CMD_REG_SETBIT = 0x08, /* Set a bit in RC632 Register */ |
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OPCD_CMD_REG_CLRBIT = 0x09, /* Clear a bit in RC632 Register */ |
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};
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struct opcd_status_hdr { |
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uint8_t cause, /* interrupt cause register RC632 */ |
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uint8_t prim_status, /* primary status register RC632 */ |
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} __attribute__ ((packed)); |
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#endif /* _OPENPCD_H */ |
