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This commit is contained in:
optixx
2016-02-09 12:30:47 +01:00
parent c8d91b4bbf
commit a0e072da2a
22 changed files with 770 additions and 671 deletions
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97
avr/bootloader/usbdrv/usbdrv.c
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@@ -1,18 +1,12 @@
/* Name: usbdrv.c
* Project: AVR USB driver
* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
* Author: Christian Starkjohann
* Creation Date: 2004-12-29
* Tabsize: 4
* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt)
* This Revision: $Id: usbdrv.c 591 2008-05-03 20:21:19Z cs $
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
*/
#include "iarcompat.h"
#ifndef __IAR_SYSTEMS_ICC__
# include <avr/io.h>
# include <avr/pgmspace.h>
#endif
#include "usbdrv.h"
#include "oddebug.h"
@@ -38,15 +32,18 @@ uchar usbTxBuf[USB_BUFSIZE];/* data to transmit with next IN, free if usbT
#if USB_COUNT_SOF
volatile uchar usbSofCount; /* incremented by assembler module every SOF */
#endif
#if USB_CFG_HAVE_INTRIN_ENDPOINT
#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
usbTxStatus_t usbTxStatus1;
# if USB_CFG_HAVE_INTRIN_ENDPOINT3
usbTxStatus_t usbTxStatus3;
# endif
#endif
#if USB_CFG_CHECK_DATA_TOGGLING
uchar usbCurrentDataToken;/* when we check data toggling to ignore duplicate packets */
#endif
/* USB status registers / not shared with asm code */
uchar *usbMsgPtr; /* data to transmit next -- ROM or RAM address */
usbMsgPtr_t usbMsgPtr; /* data to transmit next -- ROM or RAM address */
static usbMsgLen_t usbMsgLen = USB_NO_MSG; /* remaining number of bytes */
static uchar usbMsgFlags; /* flag values see below */
@@ -56,7 +53,7 @@ static uchar usbMsgFlags; /* flag values see below */
/*
optimizing hints:
- do not post/pre inc/dec integer values in operations
- assign value of PRG_RDB() to register variables and don't use side effects in arg
- assign value of USB_READ_FLASH() to register variables and don't use side effects in arg
- use narrow scope for variables which should be in X/Y/Z register
- assign char sized expressions to variables to force 8 bit arithmetics
*/
@@ -68,7 +65,7 @@ optimizing hints:
#if USB_CFG_DESCR_PROPS_STRING_0 == 0
#undef USB_CFG_DESCR_PROPS_STRING_0
#define USB_CFG_DESCR_PROPS_STRING_0 sizeof(usbDescriptorString0)
PROGMEM char usbDescriptorString0[] = { /* language descriptor */
PROGMEM const char usbDescriptorString0[] = { /* language descriptor */
4, /* sizeof(usbDescriptorString0): length of descriptor in bytes */
3, /* descriptor type */
0x09, 0x04, /* language index (0x0409 = US-English) */
@@ -78,7 +75,7 @@ PROGMEM char usbDescriptorString0[] = { /* language descriptor */
#if USB_CFG_DESCR_PROPS_STRING_VENDOR == 0 && USB_CFG_VENDOR_NAME_LEN
#undef USB_CFG_DESCR_PROPS_STRING_VENDOR
#define USB_CFG_DESCR_PROPS_STRING_VENDOR sizeof(usbDescriptorStringVendor)
PROGMEM int usbDescriptorStringVendor[] = {
PROGMEM const int usbDescriptorStringVendor[] = {
USB_STRING_DESCRIPTOR_HEADER(USB_CFG_VENDOR_NAME_LEN),
USB_CFG_VENDOR_NAME
};
@@ -87,7 +84,7 @@ PROGMEM int usbDescriptorStringVendor[] = {
#if USB_CFG_DESCR_PROPS_STRING_PRODUCT == 0 && USB_CFG_DEVICE_NAME_LEN
#undef USB_CFG_DESCR_PROPS_STRING_PRODUCT
#define USB_CFG_DESCR_PROPS_STRING_PRODUCT sizeof(usbDescriptorStringDevice)
PROGMEM int usbDescriptorStringDevice[] = {
PROGMEM const int usbDescriptorStringDevice[] = {
USB_STRING_DESCRIPTOR_HEADER(USB_CFG_DEVICE_NAME_LEN),
USB_CFG_DEVICE_NAME
};
@@ -96,7 +93,7 @@ PROGMEM int usbDescriptorStringDevice[] = {
#if USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER == 0 && USB_CFG_SERIAL_NUMBER_LEN
#undef USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
#define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER sizeof(usbDescriptorStringSerialNumber)
PROGMEM int usbDescriptorStringSerialNumber[] = {
PROGMEM const int usbDescriptorStringSerialNumber[] = {
USB_STRING_DESCRIPTOR_HEADER(USB_CFG_SERIAL_NUMBER_LEN),
USB_CFG_SERIAL_NUMBER
};
@@ -109,7 +106,7 @@ PROGMEM int usbDescriptorStringSerialNumber[] = {
#if USB_CFG_DESCR_PROPS_DEVICE == 0
#undef USB_CFG_DESCR_PROPS_DEVICE
#define USB_CFG_DESCR_PROPS_DEVICE sizeof(usbDescriptorDevice)
PROGMEM char usbDescriptorDevice[] = { /* USB device descriptor */
PROGMEM const char usbDescriptorDevice[] = { /* USB device descriptor */
18, /* sizeof(usbDescriptorDevice): length of descriptor in bytes */
USBDESCR_DEVICE, /* descriptor type */
0x10, 0x01, /* USB version supported */
@@ -140,7 +137,7 @@ PROGMEM char usbDescriptorDevice[] = { /* USB device descriptor */
#if USB_CFG_DESCR_PROPS_CONFIGURATION == 0
#undef USB_CFG_DESCR_PROPS_CONFIGURATION
#define USB_CFG_DESCR_PROPS_CONFIGURATION sizeof(usbDescriptorConfiguration)
PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor */
PROGMEM const char usbDescriptorConfiguration[] = { /* USB configuration descriptor */
9, /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */
USBDESCR_CONFIG, /* descriptor type */
18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 +
@@ -150,9 +147,9 @@ PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor
1, /* index of this configuration */
0, /* configuration name string index */
#if USB_CFG_IS_SELF_POWERED
USBATTR_SELFPOWER, /* attributes */
(1 << 7) | USBATTR_SELFPOWER, /* attributes */
#else
(char)USBATTR_BUSPOWER, /* attributes */
(1 << 7), /* attributes */
#endif
USB_CFG_MAX_BUS_POWER/2, /* max USB current in 2mA units */
/* interface descriptor follows inline: */
@@ -185,7 +182,7 @@ PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor
#if USB_CFG_HAVE_INTRIN_ENDPOINT3 /* endpoint descriptor for endpoint 3 */
7, /* sizeof(usbDescrEndpoint) */
USBDESCR_ENDPOINT, /* descriptor type = endpoint */
(char)0x83, /* IN endpoint number 1 */
(char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */
0x03, /* attrib: Interrupt endpoint */
8, 0, /* maximum packet size */
USB_CFG_INTR_POLL_INTERVAL, /* in ms */
@@ -195,18 +192,9 @@ PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor
/* ------------------------------------------------------------------------- */
/* We don't use prog_int or prog_int16_t for compatibility with various libc
* versions. Here's an other compatibility hack:
*/
#ifndef PRG_RDB
#define PRG_RDB(addr) pgm_read_byte(addr)
#endif
/* ------------------------------------------------------------------------- */
static inline void usbResetDataToggling(void)
{
#if USB_CFG_HAVE_INTRIN_ENDPOINT
#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
USB_SET_DATATOKEN1(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */
# if USB_CFG_HAVE_INTRIN_ENDPOINT3
USB_SET_DATATOKEN3(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */
@@ -226,6 +214,7 @@ static inline void usbResetStall(void)
/* ------------------------------------------------------------------------- */
#if !USB_CFG_SUPPRESS_INTR_CODE
#if USB_CFG_HAVE_INTRIN_ENDPOINT
static void usbGenericSetInterrupt(uchar *data, uchar len, usbTxStatus_t *txStatus)
{
@@ -263,6 +252,7 @@ USB_PUBLIC void usbSetInterrupt3(uchar *data, uchar len)
usbGenericSetInterrupt(data, len, &usbTxStatus3);
}
#endif
#endif /* USB_CFG_SUPPRESS_INTR_CODE */
/* ------------------ utilities for code following below ------------------- */
@@ -309,7 +299,7 @@ USB_PUBLIC void usbSetInterrupt3(uchar *data, uchar len)
len = usbFunctionDescriptor(rq); \
}else{ \
len = USB_PROP_LENGTH(cfgProp); \
usbMsgPtr = (uchar *)(staticName); \
usbMsgPtr = (usbMsgPtr_t)(staticName); \
} \
}
@@ -369,7 +359,8 @@ uchar flags = USB_FLG_MSGPTR_IS_ROM;
*/
static inline usbMsgLen_t usbDriverSetup(usbRequest_t *rq)
{
uchar len = 0, *dataPtr = usbTxBuf + 9; /* there are 2 bytes free space at the end of the buffer */
usbMsgLen_t len = 0;
uchar *dataPtr = usbTxBuf + 9; /* there are 2 bytes free space at the end of the buffer */
uchar value = rq->wValue.bytes[0];
#if USB_CFG_IMPLEMENT_HALT
uchar index = rq->wIndex.bytes[0];
@@ -408,7 +399,7 @@ uchar index = rq->wIndex.bytes[0];
usbResetStall();
SWITCH_CASE(USBRQ_GET_INTERFACE) /* 10 */
len = 1;
#if USB_CFG_HAVE_INTRIN_ENDPOINT
#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
SWITCH_CASE(USBRQ_SET_INTERFACE) /* 11 */
usbResetDataToggling();
usbResetStall();
@@ -416,7 +407,7 @@ uchar index = rq->wIndex.bytes[0];
SWITCH_DEFAULT /* 7=SET_DESCRIPTOR, 12=SYNC_FRAME */
/* Should we add an optional hook here? */
SWITCH_END
usbMsgPtr = dataPtr;
usbMsgPtr = (usbMsgPtr_t)dataPtr;
skipMsgPtrAssignment:
return len;
}
@@ -436,7 +427,7 @@ usbRequest_t *rq = (void *)data;
* 0xe1 11100001 (USBPID_OUT: data phase of setup transfer)
* 0...0x0f for OUT on endpoint X
*/
DBG2(0x10 + (usbRxToken & 0xf), data, len); /* SETUP=1d, SETUP-DATA=11, OUTx=1x */
DBG2(0x10 + (usbRxToken & 0xf), data, len + 2); /* SETUP=1d, SETUP-DATA=11, OUTx=1x */
USB_RX_USER_HOOK(data, len)
#if USB_CFG_IMPLEMENT_FN_WRITEOUT
if(usbRxToken < 0x10){ /* OUT to endpoint != 0: endpoint number in usbRxToken */
@@ -459,9 +450,13 @@ usbRequest_t *rq = (void *)data;
}
#if USB_CFG_IMPLEMENT_FN_READ || USB_CFG_IMPLEMENT_FN_WRITE
if(replyLen == USB_NO_MSG){ /* use user-supplied read/write function */
/* do some conditioning on replyLen */
/* do some conditioning on replyLen, but on IN transfers only */
if((rq->bmRequestType & USBRQ_DIR_MASK) != USBRQ_DIR_HOST_TO_DEVICE){
replyLen = rq->wLength.bytes[0]; /* IN transfers only */
if(sizeof(replyLen) < sizeof(rq->wLength.word)){ /* help compiler with optimizing */
replyLen = rq->wLength.bytes[0];
}else{
replyLen = rq->wLength.word;
}
}
usbMsgFlags = USB_FLG_USE_USER_RW;
}else /* The 'else' prevents that we limit a replyLen of USB_NO_MSG to the maximum transfer len. */
@@ -502,16 +497,18 @@ static uchar usbDeviceRead(uchar *data, uchar len)
}else
#endif
{
uchar i = len, *r = usbMsgPtr;
uchar i = len;
usbMsgPtr_t r = usbMsgPtr;
if(usbMsgFlags & USB_FLG_MSGPTR_IS_ROM){ /* ROM data */
do{
uchar c = PRG_RDB(r); /* assign to char size variable to enforce byte ops */
uchar c = USB_READ_FLASH(r); /* assign to char size variable to enforce byte ops */
*data++ = c;
r++;
}while(--i);
}else{ /* RAM data */
do{
*data++ = *r++;
*data++ = *((uchar *)r);
r++;
}while(--i);
}
usbMsgPtr = r;
@@ -561,6 +558,8 @@ uchar isReset = !notResetState;
USB_RESET_HOOK(isReset);
wasReset = isReset;
}
#else
notResetState = notResetState; // avoid compiler warning
#endif
}
@@ -592,17 +591,17 @@ uchar i;
usbBuildTxBlock();
}
}
for(i = 10; i > 0; i--){
for(i = 20; i > 0; i--){
uchar usbLineStatus = USBIN & USBMASK;
if(usbLineStatus != 0) /* SE0 has ended */
break;
}
if(i == 0){ /* RESET condition, called multiple times during reset */
usbNewDeviceAddr = 0;
usbDeviceAddr = 0;
usbResetStall();
DBG1(0xff, 0, 0);
goto isNotReset;
}
/* RESET condition, called multiple times during reset */
usbNewDeviceAddr = 0;
usbDeviceAddr = 0;
usbResetStall();
DBG1(0xff, 0, 0);
isNotReset:
usbHandleResetHook(i);
}
@@ -618,7 +617,7 @@ USB_PUBLIC void usbInit(void)
#endif
USB_INTR_ENABLE |= (1 << USB_INTR_ENABLE_BIT);
usbResetDataToggling();
#if USB_CFG_HAVE_INTRIN_ENDPOINT
#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
usbTxLen1 = USBPID_NAK;
#if USB_CFG_HAVE_INTRIN_ENDPOINT3
usbTxLen3 = USBPID_NAK;