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78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
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/*
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* atspi/ep0.c - EP0 extension protocol
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*
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* Written 2008-2010 by Werner Almesberger
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* Copyright 2008-2010 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdint.h>
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#ifndef NULL
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#define NULL 0
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#endif
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#include "regs.h"
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//#include "uart.h"
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#include "usb.h"
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#include "atspi/ep0.h"
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#include "version.h"
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#define debug(...)
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#define error(...)
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static const uint8_t id[] = { EP0ATSPI_MAJOR, EP0ATSPI_MINOR, HW_TYPE };
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static __bit my_setup(struct setup_request *setup) __reentrant
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{
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uint8_t size;
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switch (setup->bmRequestType | setup->bRequest << 8) {
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case ATSPI_FROM_DEV(ATSPI_ID):
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debug("ATSPI_ID\n");
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if (setup->wLength > 3)
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return 0;
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usb_send(&ep0, id, setup->wLength, NULL, NULL);
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return 1;
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case ATSPI_FROM_DEV(ATSPI_BUILD_NUMBER):
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debug("ATSPI_BUILD_NUMBER\n");
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if (setup->wLength > 2)
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return 0;
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usb_send(&ep0, (void *) &build_number, setup->wLength,
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NULL, NULL);
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return 1;
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case ATSPI_FROM_DEV(ATSPI_BUILD_DATE):
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debug("ATSPI_BUILD_DATE\n");
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for (size = 0; build_date[size]; size++);
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if (size > EP1_SIZE)
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return 0;
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if (size > setup->wLength)
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return 0;
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usb_send(&ep0, build_date, size, NULL, NULL);
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return 1;
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case ATSPI_TO_DEV(ATSPI_RESET):
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debug("ATSPI_RESET\n");
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RSTSRC = SWRSF;
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while (1);
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default:
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error("Unrecognized SETUP: 0x%02x 0x%02x ...\n",
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setup->bmRequestType, setup->bRequest);
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return 0;
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}
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}
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void ep0_init(void)
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{
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user_setup = my_setup;
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}
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