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fw/atspi/: added application with basic EP0 protocol
This commit is contained in:
Werner Almesberger
parent
2c8c609316
commit
ada1ee037f
32
fw/atspi/Makefile
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32
fw/atspi/Makefile
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#
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# atspi/Makefile - Makefile for USB to SPI translator (for AT86RF230)
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#
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# Written 2010 by Werner Almesberger
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# Copyright 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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MAIN = atspi
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OBJS = $(MAIN) usb descr version ep0
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F32XBASE = ../../../f32xbase
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include $(F32XBASE)/fw/common/Makefile.system
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include $(F32XBASE)/fw/common/Makefile.common
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CFLAGS += -I../include
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LDFLAGS += --code-size $(PAYLOAD_SIZE) --code-loc $(PAYLOAD_START)
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USB_ID = $(shell \
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`( echo '#include "config.h"'; echo USB_VENDOR:USB_PRODUCT; ) | \
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cpp | sed '/^ *$/d;/^#/d')
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.PHONY: dfu
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dfu:
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dfu-util -d $(USB_ID) -D $(MAIN).bin
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29
fw/atspi/atspi.c
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29
fw/atspi/atspi.c
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/*
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* atspi/atspi.c - ATSPIinitialization and main loop
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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 "regs.h"
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#include "io.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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void main(void)
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{
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usb_init();
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ep0_init();
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while (1) {
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usb_poll();
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}
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}
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88
fw/atspi/descr.c
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88
fw/atspi/descr.c
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/*
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* atspi/descr.c - USB descriptors
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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 "usb.h"
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#include "config.h"
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/*
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* Device descriptor
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*/
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const uint8_t device_descriptor[18] = {
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18, /* bLength */
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USB_DT_DEVICE, /* bDescriptorType */
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LE(0x200), /* bcdUSB */
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USB_CLASS_VENDOR_SPEC, /* bDeviceClass */
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0x00, /* bDeviceSubClass */
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0x00, /* bDeviceProtocol */
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EP0_SIZE, /* bMaxPacketSize */
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LE(USB_VENDOR), /* idVendor */
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LE(USB_PRODUCT), /* idProduct */
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LE(0x0001), /* bcdDevice */
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0, /* iManufacturer */
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0, /* iProduct */
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0, /* iSerialNumber */
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1 /* bNumConfigurations */
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};
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/*
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* Our configuration
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*
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* While in DFU mode, we're always bus-powered.
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*/
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const uint8_t config_descriptor[] = {
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9, /* bLength */
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USB_DT_CONFIG, /* bDescriptorType */
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LE(9+9+7+7), /* wTotalLength */
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1, /* bNumInterfaces */
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1, /* bConfigurationValue (> 0 !) */
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0, /* iConfiguration */
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// USB_ATTR_SELF_POWERED | USB_ATTR_BUS_POWERED,
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USB_ATTR_BUS_POWERED, /* bmAttributes */
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15, /* bMaxPower */
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/* Interface #0 */
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9, /* bLength */
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USB_DT_INTERFACE, /* bDescriptorType */
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0, /* bInterfaceNumber */
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0, /* bAlternateSetting */
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2, /* bNumEndpoints */
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USB_CLASS_VENDOR_SPEC, /* bInterfaceClass */
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0, /* bInterfaceSubClass */
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0, /* bInterfaceProtocol */
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0, /* iInterface */
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/* EP OUT */
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7, /* bLength */
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USB_DT_ENDPOINT, /* bDescriptorType */
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0x01, /* bEndPointAddress */
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0x02, /* bmAttributes (bulk) */
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LE(EP1_SIZE), /* wMaxPacketSize */
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0, /* bInterval */
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/* EP IN */
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7, /* bLength */
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USB_DT_ENDPOINT, /* bDescriptorType */
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0x81, /* bEndPointAddress */
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0x02, /* bmAttributes (bulk) */
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LE(EP1_SIZE), /* wMaxPacketSize */
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0, /* bInterval */
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};
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77
fw/atspi/ep0.c
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77
fw/atspi/ep0.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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34
fw/atspi/io.h
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34
fw/atspi/io.h
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/*
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* atspi/io.h - I/O pin assignment
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*
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* Written 2010 by Werner Almesberger
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* Copyright 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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#ifndef IO_H
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#define IO_H
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/* Diagnostic LED */
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#define LED P0_1
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/* SPI */
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#define MOSI P2_2
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#define MISO P2_5
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#define SCLK P2_4
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#define nSS P2_3
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/* Miscellaneous RF signals */
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#define nRST_RF P2_0
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#define IRQ_RF P0_2
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#define SLP_TR P2_1
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#endif /* !IO_H */
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63
fw/include/atspi/ep0.h
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63
fw/include/atspi/ep0.h
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/*
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* include/atspi/ep0.h - 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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#ifndef EP0_H
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#define EP0_H
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/*
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* Direction bRequest wValue wIndex wLength
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*
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* ->host ATSPI_ID 0 0 3
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* host-> ATSPI_RESET 0 0 0
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* ->host ATSPI_BUILD_NUMBER - - 2
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* ->host ATSPI_BUILD_DATE - - #bytes
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*/
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/*
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* EP0 protocol:
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*
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* 0.0 initial release
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*/
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#define EP0ATSPI_MAJOR 0 /* EP0 protocol, major revision */
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#define EP0ATSPI_MINOR 0 /* EP0 protocol, minor revision */
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#define HW_TYPE_100813 0 /* 100813 */
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/*
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* bmRequestType:
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*
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* D7 D6..5 D4...0
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* | | |
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* direction (0 = host->dev)
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* type (2 = vendor)
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* recipient (0 = device)
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*/
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#define ATSPI_TO_DEV(req) (0x40 | (req) << 8)
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#define ATSPI_FROM_DEV(req) (0xc0 | (req) << 8)
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enum atspi_requests {
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ATSPI_ID = 0x00,
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ATSPI_RESET,
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ATSPI_BUILD_NUMBER,
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ATSPI_BUILD_DATE,
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};
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void ep0_init(void);
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#endif /* !EP0_H */
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