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122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
#ifndef PROTOCOL_H
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#define PROTOCOL_H
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enum
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{
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FLUXENGINE_VERSION = 1,
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FLUXENGINE_VID = 0x1209,
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FLUXENGINE_PID = 0x6e00,
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/* libusb uses these numbers */
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FLUXENGINE_DATA_OUT_EP = 0x01,
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FLUXENGINE_DATA_IN_EP = 0x82,
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FLUXENGINE_CMD_OUT_EP = 0x03,
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FLUXENGINE_CMD_IN_EP = 0x84,
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/* the PSoC code uses these, sigh */
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FLUXENGINE_DATA_OUT_EP_NUM = FLUXENGINE_DATA_OUT_EP & 0x0f,
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FLUXENGINE_DATA_IN_EP_NUM = FLUXENGINE_DATA_IN_EP & 0x0f,
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FLUXENGINE_CMD_OUT_EP_NUM = FLUXENGINE_CMD_OUT_EP & 0x0f,
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FLUXENGINE_CMD_IN_EP_NUM = FLUXENGINE_CMD_IN_EP & 0x0f,
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SIDE_SIDEA = 0<<0,
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SIDE_SIDEB = 1<<0,
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SIDE_LOWDENSITY = 1<<1,
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SIDE_HIGHDENSITY = 0<<1,
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FRAME_SIZE = 64,
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TICK_FREQUENCY = 12000000,
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TICKS_PER_US = TICK_FREQUENCY / 1000000,
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TICKS_PER_NS = TICK_FREQUENCY / 1000,
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PRECOMPENSATION_THRESHOLD_TICKS = (int)(2.25 * TICKS_PER_US),
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};
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#define NS_PER_TICK ((double)1000000000 / (double)TICK_FREQUENCY)
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#define US_PER_TICK ((double)1000000 / (double)TICK_FREQUENCY)
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enum
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{
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F_FRAME_ERROR = 0, /* any_frame */
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F_FRAME_GET_VERSION_CMD, /* any_frame */
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F_FRAME_GET_VERSION_REPLY, /* version_frame */
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F_FRAME_SEEK_CMD, /* seek_frame */
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F_FRAME_SEEK_REPLY, /* any_frame */
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F_FRAME_MEASURE_SPEED_CMD, /* any_frame */
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F_FRAME_MEASURE_SPEED_REPLY, /* speed_frame */
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F_FRAME_BULK_TEST_CMD, /* any_frame */
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F_FRAME_BULK_TEST_REPLY, /* any_frame */
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F_FRAME_READ_CMD, /* read_frame */
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F_FRAME_READ_REPLY, /* any_frame */
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F_FRAME_WRITE_CMD, /* write_frame */
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F_FRAME_WRITE_REPLY, /* any_frame */
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F_FRAME_ERASE_CMD, /* erase_frame */
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F_FRAME_ERASE_REPLY, /* any_frame */
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};
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enum
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{
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F_ERROR_NONE = 0,
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F_ERROR_BAD_COMMAND,
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F_ERROR_UNDERRUN,
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F_ERROR_INVALID_VALUE,
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};
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struct frame_header
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{
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uint8_t type;
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uint8_t size;
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};
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struct any_frame
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{
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struct frame_header f;
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};
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struct error_frame
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{
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struct frame_header f;
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uint8_t error;
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};
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struct version_frame
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{
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struct frame_header f;
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uint8_t version;
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};
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struct seek_frame
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{
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struct frame_header f;
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uint8_t track;
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};
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struct speed_frame
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{
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struct frame_header f;
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uint16_t period_ms;
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};
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struct read_frame
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{
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struct frame_header f;
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uint8_t side;
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uint8_t revolutions;
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};
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struct write_frame
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{
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struct frame_header f;
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uint8_t side;
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uint32_t bytes_to_write;
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};
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struct erase_frame
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{
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struct frame_header f;
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uint8_t side;
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};
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#endif
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