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fw/atspi/: added application with basic EP0 protocol

This commit is contained in:
Werner Almesberger 2010-08-19 09:04:51 -03:00
parent 2c8c609316
commit ada1ee037f
6 changed files with 323 additions and 0 deletions

32
fw/atspi/Makefile Normal file
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#
# atspi/Makefile - Makefile for USB to SPI translator (for AT86RF230)
#
# Written 2010 by Werner Almesberger
# Copyright 2010 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
MAIN = atspi
OBJS = $(MAIN) usb descr version ep0
F32XBASE = ../../../f32xbase
include $(F32XBASE)/fw/common/Makefile.system
include $(F32XBASE)/fw/common/Makefile.common
CFLAGS += -I../include
LDFLAGS += --code-size $(PAYLOAD_SIZE) --code-loc $(PAYLOAD_START)
USB_ID = $(shell \
`( echo '#include "config.h"'; echo USB_VENDOR:USB_PRODUCT; ) | \
cpp | sed '/^ *$/d;/^#/d')
.PHONY: dfu
dfu:
dfu-util -d $(USB_ID) -D $(MAIN).bin

29
fw/atspi/atspi.c Normal file
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/*
* atspi/atspi.c - ATSPIinitialization and main loop
*
* Written 2008-2010 by Werner Almesberger
* Copyright 2008-2010 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "regs.h"
#include "io.h"
#include "usb.h"
#include "atspi/ep0.h"
#include "version.h"
void main(void)
{
usb_init();
ep0_init();
while (1) {
usb_poll();
}
}

88
fw/atspi/descr.c Normal file
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/*
* atspi/descr.c - USB descriptors
*
* Written 2008-2010 by Werner Almesberger
* Copyright 2008-2010 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "usb.h"
#include "config.h"
/*
* Device descriptor
*/
const uint8_t device_descriptor[18] = {
18, /* bLength */
USB_DT_DEVICE, /* bDescriptorType */
LE(0x200), /* bcdUSB */
USB_CLASS_VENDOR_SPEC, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
EP0_SIZE, /* bMaxPacketSize */
LE(USB_VENDOR), /* idVendor */
LE(USB_PRODUCT), /* idProduct */
LE(0x0001), /* bcdDevice */
0, /* iManufacturer */
0, /* iProduct */
0, /* iSerialNumber */
1 /* bNumConfigurations */
};
/*
* Our configuration
*
* While in DFU mode, we're always bus-powered.
*/
const uint8_t config_descriptor[] = {
9, /* bLength */
USB_DT_CONFIG, /* bDescriptorType */
LE(9+9+7+7), /* wTotalLength */
1, /* bNumInterfaces */
1, /* bConfigurationValue (> 0 !) */
0, /* iConfiguration */
// USB_ATTR_SELF_POWERED | USB_ATTR_BUS_POWERED,
USB_ATTR_BUS_POWERED, /* bmAttributes */
15, /* bMaxPower */
/* Interface #0 */
9, /* bLength */
USB_DT_INTERFACE, /* bDescriptorType */
0, /* bInterfaceNumber */
0, /* bAlternateSetting */
2, /* bNumEndpoints */
USB_CLASS_VENDOR_SPEC, /* bInterfaceClass */
0, /* bInterfaceSubClass */
0, /* bInterfaceProtocol */
0, /* iInterface */
/* EP OUT */
7, /* bLength */
USB_DT_ENDPOINT, /* bDescriptorType */
0x01, /* bEndPointAddress */
0x02, /* bmAttributes (bulk) */
LE(EP1_SIZE), /* wMaxPacketSize */
0, /* bInterval */
/* EP IN */
7, /* bLength */
USB_DT_ENDPOINT, /* bDescriptorType */
0x81, /* bEndPointAddress */
0x02, /* bmAttributes (bulk) */
LE(EP1_SIZE), /* wMaxPacketSize */
0, /* bInterval */
};

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

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fw/atspi/io.h Normal file
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/*
* atspi/io.h - I/O pin assignment
*
* Written 2010 by Werner Almesberger
* Copyright 2010 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef IO_H
#define IO_H
/* Diagnostic LED */
#define LED P0_1
/* SPI */
#define MOSI P2_2
#define MISO P2_5
#define SCLK P2_4
#define nSS P2_3
/* Miscellaneous RF signals */
#define nRST_RF P2_0
#define IRQ_RF P0_2
#define SLP_TR P2_1
#endif /* !IO_H */

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fw/include/atspi/ep0.h Normal file
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/*
* include/atspi/ep0.h - EP0 extension protocol
*
* Written 2008-2010 by Werner Almesberger
* Copyright 2008-2010 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef EP0_H
#define EP0_H
/*
* Direction bRequest wValue wIndex wLength
*
* ->host ATSPI_ID 0 0 3
* host-> ATSPI_RESET 0 0 0
* ->host ATSPI_BUILD_NUMBER - - 2
* ->host ATSPI_BUILD_DATE - - #bytes
*/
/*
* EP0 protocol:
*
* 0.0 initial release
*/
#define EP0ATSPI_MAJOR 0 /* EP0 protocol, major revision */
#define EP0ATSPI_MINOR 0 /* EP0 protocol, minor revision */
#define HW_TYPE_100813 0 /* 100813 */
/*
* bmRequestType:
*
* D7 D6..5 D4...0
* | | |
* direction (0 = host->dev)
* type (2 = vendor)
* recipient (0 = device)
*/
#define ATSPI_TO_DEV(req) (0x40 | (req) << 8)
#define ATSPI_FROM_DEV(req) (0xc0 | (req) << 8)
enum atspi_requests {
ATSPI_ID = 0x00,
ATSPI_RESET,
ATSPI_BUILD_NUMBER,
ATSPI_BUILD_DATE,
};
void ep0_init(void);
#endif /* !EP0_H */