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Cosmetic changes only - tab, whitespace and brace policing

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14484 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2007-08-27 22:07:36 +00:00
parent a6d52a8305
commit 03745f4ed3
13 changed files with 558 additions and 555 deletions
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320
firmware/drivers/usb/arcotg_dcd.c
View file

@ -118,14 +118,15 @@ timer_expired(struct timer * timer)
/* gets called by usb_stack_init() to register
* this arcotg device conrtollder driver in the
* stack. */
void usb_dcd_init(void) {
void usb_dcd_init(void)
{
usb_controller_register(&arcotg_dcd);
}
/*-------------------------------------------------------------------------*/
void usb_arcotg_dcd_init(void) {
void usb_arcotg_dcd_init(void)
{
struct timer t;
int i, ep_num = 0;
@ -180,35 +181,36 @@ void usb_arcotg_dcd_init(void) {
/* put controller in device mode */
UDC_USBMODE |= USB_MODE_CTRL_MODE_DEVICE;
/* init queue heads */
/* init queue heads */
qh_init(0, USB_RECV, USB_ENDPOINT_XFER_CONTROL, USB_MAX_CTRL_PAYLOAD, 0, 0);
qh_init(0, USB_SEND, USB_ENDPOINT_XFER_CONTROL, USB_MAX_CTRL_PAYLOAD, 0, 0);
qh_init(0, USB_SEND, USB_ENDPOINT_XFER_CONTROL, USB_MAX_CTRL_PAYLOAD, 0, 0);
UDC_ENDPOINTLISTADDR = (unsigned int)dev_qh;
}
void usb_arcotg_dcd_shutdown(void) {
void usb_arcotg_dcd_shutdown(void)
{
}
void usb_arcotg_dcd_start(void) {
void usb_arcotg_dcd_start(void)
{
logf("start");
if (arcotg_dcd.device_driver != NULL) {
logf("YEEEEEEESSSSSSS");
logf("YEEEEEEESSSSSSS");
} else {
logf("NOOOOOO");
logf("NOOOOOO");
}
/* clear stopped bit */
dcd_controller.stopped = false;
dcd_controller.stopped = false;
UDC_USBCMD |= USB_CMD_RUN;
}
void usb_arcotg_dcd_stop(void) {
void usb_arcotg_dcd_stop(void)
{
logf("stop");
/* set stopped bit */
@ -217,8 +219,8 @@ void usb_arcotg_dcd_stop(void) {
UDC_USBCMD &= ~USB_CMD_RUN;
}
void usb_arcotg_dcd_irq(void) {
void usb_arcotg_dcd_irq(void)
{
if (dcd_controller.stopped == true) {
return;
}
@ -241,10 +243,10 @@ void usb_arcotg_dcd_irq(void) {
}
if (UDC_ENDPTCOMPLETE) {
UDC_ENDPTCOMPLETE = UDC_ENDPTCOMPLETE;
UDC_ENDPTCOMPLETE = UDC_ENDPTCOMPLETE;
}
}
if (UDC_USBSTS & USB_STS_PORT_CHANGE) {
port_change_int();
}
@ -269,12 +271,12 @@ void usb_arcotg_dcd_irq(void) {
/*-------------------------------------------------------------------------*/
/* interrupt handlers */
static void setup_received_int(struct usb_ctrlrequest* request) {
static void setup_received_int(struct usb_ctrlrequest* request)
{
int error = 0;
uint8_t address = 0;
int handled = 0; /* set to zero if we do not handle the message, */
/* and should pass it to the driver */
/* and should pass it to the driver */
logf("setup_int");
into_usb_ctrlrequest(request);
@ -324,16 +326,16 @@ static void setup_received_int(struct usb_ctrlrequest* request) {
}
if (handled == 0) {
handled = 1; /* dont pass it to driver */
handled = 1; /* dont pass it to driver */
}
}
#if 0
#if 0
if (rc == 0) {
/* send status only if _arcotg_ep_set_halt success */
if (ep0_prime_status(udc, EP_DIR_IN))
Ep0Stall(udc);
}
#endif
}
#endif
break;
}
@ -358,8 +360,8 @@ static void setup_received_int(struct usb_ctrlrequest* request) {
}
}
static void port_change_int(void) {
static void port_change_int(void)
{
//logf("port_change_int");
uint32_t tmp;
enum usb_device_speed speed = USB_SPEED_UNKNOWN;
@ -386,7 +388,7 @@ static void port_change_int(void) {
/* update speed */
arcotg_dcd.speed = speed;
/* update USB state */
if (!dcd_controller.resume_state) {
dcd_controller.usb_state = USB_STATE_DEFAULT;
@ -398,8 +400,8 @@ static void port_change_int(void) {
}
}
static void suspend_int(void) {
static void suspend_int(void)
{
//logf("suspend_int");
dcd_controller.resume_state = dcd_controller.usb_state;
dcd_controller.usb_state = USB_STATE_SUSPENDED;
@ -410,8 +412,8 @@ static void suspend_int(void) {
}
}
static void resume_int(void) {
static void resume_int(void)
{
//logf("resume_int");
dcd_controller.usb_state = dcd_controller.resume_state;
dcd_controller.resume_state = USB_STATE_NOTATTACHED;
@ -422,8 +424,8 @@ static void resume_int(void) {
}
}
static void reset_int(void) {
static void reset_int(void)
{
//logf("reset_int");
struct timer t;
@ -459,12 +461,12 @@ static void reset_int(void) {
/*-------------------------------------------------------------------------*/
/* usb controller ops */
int usb_arcotg_dcd_enable(struct usb_ep* ep) {
int usb_arcotg_dcd_enable(struct usb_ep* ep)
{
unsigned short max = 0;
unsigned char mult = 0, zlt = 0;
int retval = 0;
char *val = NULL; /* for debug */
char *val = NULL; /* for debug */
/* catch bogus parameter */
if (!ep) {
@ -496,105 +498,105 @@ int usb_arcotg_dcd_enable(struct usb_ep* ep) {
#if 0
switch (ep->desc->bmAttributes & 0x03) {
case USB_ENDPOINT_XFER_BULK:
if (strstr(ep->ep.name, "-iso") || strstr(ep->ep.name, "-int")) {
goto en_done;
}
mult = 0;
zlt = 1;
switch (arcotg_dcd.speed) {
case USB_SPEED_HIGH:
if ((max == 128) || (max == 256) || (max == 512)) {
break;
}
default:
switch (max) {
case 4:
case 8:
case 16:
case 32:
case 64:
break;
default:
+ case USB_SPEED_LOW:
+ goto en_done;
+ }
+ }
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (strstr(ep->ep.name, "-iso")) /* bulk is ok */
+ goto en_done;
+ mult = 0;
+ zlt = 1;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ if (max <= 1024)
+ break;
+ case USB_SPEED_FULL:
+ if (max <= 64)
+ break;
+ default:
+ if (max <= 8)
+ break;
+ goto en_done;
+ }
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ if (strstr(ep->ep.name, "-bulk") || strstr(ep->ep.name, "-int"))
+ goto en_done;
+ mult = (unsigned char)
+ (1 + ((le16_to_cpu(desc->wMaxPacketSize) >> 11) & 0x03));
+ zlt = 0;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ if (max <= 1024)
+ break;
+ case USB_SPEED_FULL:
+ if (max <= 1023)
+ break;
+ default:
+ goto en_done;
+ }
+ break;
+ case USB_ENDPOINT_XFER_CONTROL:
+ if (strstr(ep->ep.name, "-iso") || strstr(ep->ep.name, "-int"))
+ goto en_done;
+ mult = 0;
+ zlt = 1;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ case USB_SPEED_FULL:
+ switch (max) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ case 16:
+ case 32:
+ case 64:
+ break;
+ default:
+ goto en_done;
+ }
+ case USB_SPEED_LOW:
+ switch (max) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ break;
+ default:
+ goto en_done;
+ }
+ default:
+ goto en_done;
+ }
+ break;
+
+ default:
+ goto en_done;
+ }
case USB_ENDPOINT_XFER_BULK:
if (strstr(ep->ep.name, "-iso") || strstr(ep->ep.name, "-int")) {
goto en_done;
}
mult = 0;
zlt = 1;
switch (arcotg_dcd.speed) {
case USB_SPEED_HIGH:
if ((max == 128) || (max == 256) || (max == 512)) {
break;
}
default:
switch (max) {
case 4:
case 8:
case 16:
case 32:
case 64:
break;
default:
+ case USB_SPEED_LOW:
+ goto en_done;
+ }
+ }
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (strstr(ep->ep.name, "-iso")) /* bulk is ok */
+ goto en_done;
+ mult = 0;
+ zlt = 1;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ if (max <= 1024)
+ break;
+ case USB_SPEED_FULL:
+ if (max <= 64)
+ break;
+ default:
+ if (max <= 8)
+ break;
+ goto en_done;
+ }
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ if (strstr(ep->ep.name, "-bulk") || strstr(ep->ep.name, "-int"))
+ goto en_done;
+ mult = (unsigned char)
+ (1 + ((le16_to_cpu(desc->wMaxPacketSize) >> 11) & 0x03));
+ zlt = 0;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ if (max <= 1024)
+ break;
+ case USB_SPEED_FULL:
+ if (max <= 1023)
+ break;
+ default:
+ goto en_done;
+ }
+ break;
+ case USB_ENDPOINT_XFER_CONTROL:
+ if (strstr(ep->ep.name, "-iso") || strstr(ep->ep.name, "-int"))
+ goto en_done;
+ mult = 0;
+ zlt = 1;
+ switch (udc->gadget.speed) {
+ case USB_SPEED_HIGH:
+ case USB_SPEED_FULL:
+ switch (max) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ case 16:
+ case 32:
+ case 64:
+ break;
+ default:
+ goto en_done;
+ }
+ case USB_SPEED_LOW:
+ switch (max) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ break;
+ default:
+ goto en_done;
+ }
+ default:
+ goto en_done;
+ }
+ break;
+
+ default:
+ goto en_done;
+ }
#endif
/* here initialize variable of ep */
@ -643,8 +645,8 @@ int usb_arcotg_dcd_enable(struct usb_ep* ep) {
return retval;
}
int usb_arcotg_dcd_set_halt(struct usb_ep* ep, bool halt) {
int usb_arcotg_dcd_set_halt(struct usb_ep* ep, bool halt)
{
int status = -EOPNOTSUPP; /* operation not supported */
unsigned char dir = 0;
unsigned int tmp_epctrl = 0;
@ -688,8 +690,8 @@ out:
return status;
}
int usb_arcotg_dcd_send(struct usb_ep* ep, struct usb_response* res) {
int usb_arcotg_dcd_send(struct usb_ep* ep, struct usb_response* res)
{
char* ptr;
int todo, error, size, done = 0;
int index = 1; /* use as default ep0 tx qh and td */
@ -750,8 +752,8 @@ int usb_arcotg_dcd_send(struct usb_ep* ep, struct usb_response* res) {
return done;
}
int usb_arcotg_dcd_receive(struct usb_ep* ep, struct usb_response* res) {
int usb_arcotg_dcd_receive(struct usb_ep* ep, struct usb_response* res)
{
char* ptr;
int todo, error, size, done = 0;
int index = 0; /* use as default ep0 rx qh and td */
@ -812,9 +814,9 @@ int usb_arcotg_dcd_receive(struct usb_ep* ep, struct usb_response* res) {
/* lifecylce */
static void qh_init(unsigned char ep_num, unsigned char dir, unsigned char ep_type,
unsigned int max_pkt_len, unsigned int zlt, unsigned char mult) {
struct dqh *qh = &dev_qh[2 * ep_num + dir];
unsigned int max_pkt_len, unsigned int zlt, unsigned char mult)
{
struct dqh *qh = &dev_qh[2 * ep_num + dir];
uint32_t tmp = 0;
memset(qh, 0, sizeof(struct dqh));
@ -856,8 +858,8 @@ static void qh_init(unsigned char ep_num, unsigned char dir, unsigned char ep_ty
logf("qh: init %d", (2 * ep_num + dir));
}
static void td_init(struct dtd* td, void* buffer, uint32_t todo) {
static void td_init(struct dtd* td, void* buffer, uint32_t todo)
{
/* see 32.14.5.2 Building a Transfer Descriptor */
/* init first 7 dwords with 0 */
@ -878,8 +880,8 @@ static void td_init(struct dtd* td, void* buffer, uint32_t todo) {
td->buf_ptr0 = (uint32_t)buffer;
}
static void ep_setup(unsigned char ep_num, unsigned char dir, unsigned char ep_type) {
static void ep_setup(unsigned char ep_num, unsigned char dir, unsigned char ep_type)
{
unsigned int tmp_epctrl = 0;
struct timer t;
@ -901,23 +903,23 @@ static void ep_setup(unsigned char ep_num, unsigned char dir, unsigned char ep_t
}
UDC_ENDPTCTRL(ep_num) = tmp_epctrl;
/* wait for the write reg to finish */
timer_set(&t, SETUP_TIMER);
timer_set(&t, SETUP_TIMER);
while (!(UDC_ENDPTCTRL(ep_num) & (tmp_epctrl & (EPCTRL_TX_ENABLE | EPCTRL_RX_ENABLE)))) {
if (timer_expired(&t)) {
logf("TIMEOUT: enable ep");
logf("TIMEOUT: enable ep");
return;
}
}
}
}
/*-------------------------------------------------------------------------*/
/* helpers for sending/receiving */
static int td_enqueue(struct dtd* td, struct dqh* qh, unsigned int mask) {
static int td_enqueue(struct dtd* td, struct dqh* qh, unsigned int mask)
{
struct timer t;
qh->dtd_ovrl.next_dtd = (unsigned int)td;
@ -940,8 +942,8 @@ static int td_enqueue(struct dtd* td, struct dqh* qh, unsigned int mask) {
return 0;
}
static int td_wait(struct dtd* td, unsigned int mask) {
static int td_wait(struct dtd* td, unsigned int mask)
{
struct timer t;
timer_set(&t, TRANSFER_TIMER);
@ -960,8 +962,8 @@ static int td_wait(struct dtd* td, unsigned int mask) {
}
}
static int usb_ack(struct usb_ctrlrequest * s, int error) {
static int usb_ack(struct usb_ctrlrequest * s, int error)
{
if (error) {
logf("STALLing ep0");
UDC_ENDPTCTRL0 |= 1 << 16; /* stall */

4
firmware/drivers/usb/arcotg_dcd.h
View file

@ -42,8 +42,8 @@
#define ep_is_in(EP) (((EP)->desc->bEndpointAddress & USB_DIR_IN)==USB_DIR_IN)
#define EP_DIR_IN 1
#define EP_DIR_OUT 0
#define EP_DIR_IN 1
#define EP_DIR_OUT 0
/*-------------------------------------------------------------------------*/

2
firmware/target/arm/usb-fw-pp502x.c
View file

@ -150,7 +150,7 @@ bool usb_detect(void)
if ((usbstatus1 == true) && (prev_usbstatus1 == false)) {
usb_stack_start();
} else if ((usbstatus1 == false) && (prev_usbstatus1 == true)) {
usb_stack_stop();
usb_stack_stop();
}
#else
if ((usbstatus1 == true) && (prev_usbstatus1 == false)) {

2
firmware/usbstack/config.h
View file

@ -25,7 +25,7 @@
#define USBSTACK_CAPS 0
#endif
#define CONTROLLER_DEVICE (1 << 0)
#define CONTROLLER_DEVICE (1 << 0)
#define CONTROLLER_HOST (1 << 1)
#endif /*_USBSTACK_CONFIG_H_*/

2
firmware/usbstack/core.h
View file

@ -38,7 +38,7 @@ struct usb_response {
struct usb_ep {
const char name[15];
uint8_t type;
uint32_t ep_num; /* which endpoint? */
uint32_t ep_num; /* which endpoint? */
uint32_t pipe_num; /* which pipe? */
uint32_t maxpacket;
bool claimed;

90
firmware/usbstack/core/config.c
View file

@ -23,58 +23,58 @@
#include <string.h>
#include "usbstack/core.h"
static int usb_descriptor_fillbuf(void* buf, unsigned buflen, struct usb_descriptor_header** src) {
uint8_t* dest = buf;
static int usb_descriptor_fillbuf(void* buf, unsigned buflen, struct usb_descriptor_header** src)
{
uint8_t* dest = buf;
if (!src) {
return -EINVAL;
}
if (!src) {
return -EINVAL;
}
/* fill buffer from src[] until null descriptor ptr */
for (; 0 != *src; src++) {
unsigned len = (*src)->bLength;
/* fill buffer from src[] until null descriptor ptr */
for (; 0 != *src; src++) {
unsigned len = (*src)->bLength;
logf("len: %d", len);
if (len > buflen)
return -EINVAL;
memcpy(dest, *src, len);
buflen -= len;
dest += len;
}
return dest - (uint8_t *)buf;
logf("len: %d", len);
if (len > buflen)
return -EINVAL;
memcpy(dest, *src, len);
buflen -= len;
dest += len;
}
return dest - (uint8_t *)buf;
}
int usb_stack_configdesc(const struct usb_config_descriptor* config, void* buf, unsigned length, struct usb_descriptor_header** desc) {
int usb_stack_configdesc(const struct usb_config_descriptor* config, void* buf, unsigned length, struct usb_descriptor_header** desc)
{
struct usb_config_descriptor* cp = buf;
int len;
int len;
if (length < USB_DT_CONFIG_SIZE || !desc) {
return -EINVAL;
}
/* config descriptor first */
*cp = *config;
if (length < USB_DT_CONFIG_SIZE || !desc) {
return -EINVAL;
}
/* then interface/endpoint/class/vendor/... */
len = usb_descriptor_fillbuf(USB_DT_CONFIG_SIZE + (uint8_t*)buf, length - USB_DT_CONFIG_SIZE, desc);
if (len < 0) {
return len;
}
len += USB_DT_CONFIG_SIZE;
if (len > 0xffff) {
return -EINVAL;
}
/* config descriptor first */
*cp = *config;
/* patch up the config descriptor */
cp->bLength = USB_DT_CONFIG_SIZE;
cp->bDescriptorType = USB_DT_CONFIG;
cp->wTotalLength = len;
cp->bmAttributes |= USB_CONFIG_ATT_ONE;
return len;
/* then interface/endpoint/class/vendor/... */
len = usb_descriptor_fillbuf(USB_DT_CONFIG_SIZE + (uint8_t*)buf, length - USB_DT_CONFIG_SIZE, desc);
if (len < 0) {
return len;
}
len += USB_DT_CONFIG_SIZE;
if (len > 0xffff) {
return -EINVAL;
}
/* patch up the config descriptor */
cp->bLength = USB_DT_CONFIG_SIZE;
cp->bDescriptorType = USB_DT_CONFIG;
cp->wTotalLength = len;
cp->bmAttributes |= USB_CONFIG_ATT_ONE;
return len;
}

195
firmware/usbstack/core/core.c
View file

@ -39,26 +39,26 @@ static void bind_device_driver(struct usb_device_driver* driver);
/**
* Initialize usb stack.
*/
void usb_stack_init(void) {
void usb_stack_init(void)
{
int i;
logf("usb_stack_init");
int i;
logf("usb_stack_init");
/* init datastructures */
usbcore.controller[0] = NULL;
usbcore.controller[1] = NULL;
usbcore.active_controller = NULL;
usbcore.device_driver = NULL;
usbcore.running = false;
memset(&device_driver_names, 0, USB_STACK_MAX_SETTINGS_NAME);
/* init arrays */
for (i = 0; i < NUM_DRIVERS; i++) {
usbcore.device_drivers[i] = NULL;
usbcore.host_drivers[i] = NULL;
usbcore.device_drivers[i] = NULL;
usbcore.host_drivers[i] = NULL;
}
/* init controllers */
#if (USBSTACK_CAPS & CONTROLLER_DEVICE)
usb_dcd_init();
@ -77,31 +77,31 @@ void usb_stack_init(void) {
* Start processing of usb stack. This function init
* active usb controller.
*/
void usb_stack_start(void) {
void usb_stack_start(void)
{
/* are we allready running? */
if (usbcore.running) {
logf("allready running!");
return;
}
if (usbcore.active_controller == NULL) {
logf("no active controller!");
return;
}
/* are we allready running? */
if (usbcore.running) {
logf("allready running!");
return;
}
if (usbcore.active_controller == NULL) {
logf("no active controller!");
return;
}
/* forward to controller */
logf("starting controller");
logf("starting controller");
usbcore.active_controller->start();
usbcore.running = true;
/* look if started controller is a device controller
* and if it has a device driver bind to it */
logf("check for auto bind");
if (usbcore.active_controller->type == DEVICE) {
if (usbcore.active_controller->device_driver == NULL && usbcore.device_driver != NULL) {
/* bind driver */
logf("binding...");
logf("binding...");
bind_device_driver(usbcore.device_driver);
}
}
@ -111,15 +111,15 @@ void usb_stack_start(void) {
* Stop processing of usb stack. This function shutsdown
* active usb controller.
*/
void usb_stack_stop(void) {
void usb_stack_stop(void)
{
/* are we allready stopped? */
if (usbcore.running == false) {
return;
}
/* are we allready stopped? */
if (usbcore.running == false) {
return;
}
/* forward to controller */
usbcore.active_controller->stop();
usbcore.active_controller->stop();
usbcore.running = false;
}
@ -127,8 +127,8 @@ void usb_stack_stop(void) {
* Gets called by upper layers to indicate that there is
* an interrupt waiting for the controller.
*/
void usb_stack_irq(void) {
void usb_stack_irq(void)
{
/* simply notify usb controller */
if (usbcore.active_controller != NULL && usbcore.active_controller->irq != NULL) {
usbcore.active_controller->irq();
@ -140,7 +140,8 @@ void usb_stack_irq(void) {
* to call for maintanence. We need to check if a new device has connected,
* find suitable drivers for new devices.
*/
void usb_stack_work(void) {
void usb_stack_work(void)
{
/* TODO will be used with host device controllers
* and needs to be called in a loop (thread) */
}
@ -153,8 +154,8 @@ void usb_stack_work(void) {
* @param ctrl pointer to controller to register.
* @return 0 on success else a defined error code.
*/
int usb_controller_register(struct usb_controller* ctrl) {
int usb_controller_register(struct usb_controller* ctrl)
{
if (ctrl == NULL) {
return EINVAL;
}
@ -220,21 +221,21 @@ int usb_controller_unregister(struct usb_controller* ctrl) {
*
* @param type of controller to activate.
*/
void usb_controller_select(int type) {
void usb_controller_select(int type)
{
struct usb_controller* new = NULL;
/* check if a controller of the wanted type is already loaded */
if (usbcore.active_controller != NULL && (int)usbcore.active_controller->type == type) {
logf("controller already set");
return;
logf("controller already set");
return;
}
logf("usb_controller_select");
logf(" -> type: %d", type);
logf("usb_controller_select");
logf(" -> type: %d", type);
usbcore.mode = type;
usbcore.mode = type;
switch (type) {
case DEVICE:
new = usbcore.controller[0];
@ -246,20 +247,20 @@ void usb_controller_select(int type) {
/* if there is only one controller, stop here */
if (new == NULL) {
logf("no suitable cntrl found");
logf("no suitable cntrl found");
return;
}
/* shutdown current used controller */
if (usbcore.active_controller != NULL) {
logf("shuting down old one");
logf("shuting down old one");
usbcore.active_controller->shutdown();
}
/* set and init new controller */
usbcore.active_controller = new;
logf("init controller");
usbcore.active_controller->init();
usbcore.active_controller->init();
}
int usb_stack_get_mode(void) {
@ -272,10 +273,10 @@ int usb_stack_get_mode(void) {
* @param driver pointer to an usb_device_driver struct.
* @return 0 on success, else a defined error code.
*/
int usb_device_driver_register(struct usb_device_driver* driver) {
int usb_device_driver_register(struct usb_device_driver* driver)
{
int i;
if (driver == NULL) {
return EINVAL;
}
@ -284,109 +285,109 @@ int usb_device_driver_register(struct usb_device_driver* driver) {
logf("usb_stack: register usb driver");
for (i = 0; i < NUM_DRIVERS; i++) {
if (usbcore.device_drivers[i] == NULL) {
usbcore.device_drivers[i] = driver;
update_driver_names(device_driver_names);
return 0;
usbcore.device_drivers[i] = driver;
update_driver_names(device_driver_names);
return 0;
}
}
update_driver_names(device_driver_names);
return 0;
}
int usb_device_driver_bind(const char* name) {
int i;
struct usb_device_driver *tmp = NULL;
struct usb_device_driver *driver = NULL;
int i;
struct usb_device_driver *tmp = NULL;
struct usb_device_driver *driver = NULL;
if (name == NULL) {
return EINVAL;
}
/* look for driver */
logf("looking for driver %s", name);
for (i = 0; i < NUM_DRIVERS; i++) {
tmp = usbcore.device_drivers[i];
if (tmp != NULL && strcmp(name, tmp->name) == 0) {
driver = tmp;
}
tmp = usbcore.device_drivers[i];
if (tmp != NULL && strcmp(name, tmp->name) == 0) {
driver = tmp;
}
}
if (driver == NULL) {
logf("no driver found");
return ENODRIVERFOUND;
logf("no driver found");
return ENODRIVERFOUND;
}
/* look if there is an usb controller loaded */
/* look if there is an usb controller loaded */
if (usbcore.active_controller == NULL) {
/* safe choosen driver and set it when controller starts */
usbcore.device_driver = driver;
/* safe choosen driver and set it when controller starts */
usbcore.device_driver = driver;
} else {
/* we need to have an active dcd controller */
if (usbcore.active_controller->type != DEVICE) {
logf("wrong type");
logf("wrong type");
return EWRONGCONTROLLERTYPE;
}
/* bind driver to controller */
bind_device_driver(driver);
}
return 0;
}
void usb_device_driver_unbind(void) {
logf("usb_device_driver_unbind");
if (usbcore.active_controller->device_driver != NULL) {
usbcore.active_controller->device_driver->unbind();
usbcore.active_controller->device_driver = NULL;
}
usbcore.device_driver = NULL;
logf("usb_device_driver_unbind");
if (usbcore.active_controller->device_driver != NULL) {
usbcore.active_controller->device_driver->unbind();
usbcore.active_controller->device_driver = NULL;
}
usbcore.device_driver = NULL;
}
static void update_driver_names(unsigned char* result) {
int i;
int i;
int pos = 0;
unsigned char terminator = ',';
unsigned char terminator = ',';
struct usb_device_driver* dd = NULL;
/* reset buffer, iterate through drivers and add to char array */
memset(result, 0, USB_STACK_MAX_SETTINGS_NAME);
for (i = 0; i < NUM_DRIVERS; i++) {
int len;
int len;
dd = usbcore.device_drivers[i];
if (dd != NULL) {
len = strlen(dd->name);
if (pos > 0) {
memcpy(result + pos, &terminator, 1);
pos++;
}
memcpy(result + pos, dd->name, len);
pos += len;
len = strlen(dd->name);
if (pos > 0) {
memcpy(result + pos, &terminator, 1);
pos++;
}
memcpy(result + pos, dd->name, len);
pos += len;
}
}
}
static void bind_device_driver(struct usb_device_driver* driver) {
/* look if there is an old driver */
if (usbcore.active_controller->device_driver != NULL) {
usbcore.active_controller->device_driver->unbind();
}
/* bind driver to controller */
usbcore.active_controller->device_driver = driver;
/* init dirver */
driver->bind(usbcore.active_controller->controller_ops);
driver->bind(usbcore.active_controller->controller_ops);
}

98
firmware/usbstack/core/epsetup.c
View file

@ -25,27 +25,27 @@
*
* Naming Convention for Endpoint Names
*
* - ep1, ep2, ... address is fixed, not direction or type
* - ep1in, ep2out, ... address and direction are fixed, not type
* - ep1-bulk, ep2-bulk, ... address and type are fixed, not direction
* - ep1in-bulk, ep2out-iso, ... all three are fixed
* - ep-* ... no functionality restrictions
* - ep1, ep2, ... address is fixed, not direction or type
* - ep1in, ep2out, ... address and direction are fixed, not type
* - ep1-bulk, ep2-bulk, ... address and type are fixed, not direction
* - ep1in-bulk, ep2out-iso, ... all three are fixed
* - ep-* ... no functionality restrictions
*
* Type suffixes are "-bulk", "-iso", or "-int". Numbers are decimal.
*
*/
static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc);
void usb_ep_autoconfig_reset(void) {
void usb_ep_autoconfig_reset(void)
{
struct usb_ep* ep = NULL;
if (usbcore.active_controller == NULL) {
return;
}
logf("resetting endpoints");
list_for_each_entry(ep, &usbcore.active_controller->endpoints.list, list) {
logf("reset %s", ep->name);
logf("reset %s", ep->name);
ep->claimed = false;
}
}
@ -55,48 +55,48 @@ void usb_ep_autoconfig_reset(void) {
* @param desc usb descritpro to use for seraching.
* @return NULL or a valid endpoint.
*/
struct usb_ep* usb_ep_autoconfig(struct usb_endpoint_descriptor* desc) {
struct usb_ep* ep = NULL;
struct usb_ep* usb_ep_autoconfig(struct usb_endpoint_descriptor* desc)
{
struct usb_ep* ep = NULL;
if (usbcore.active_controller == NULL) {
logf("active controller NULL");
logf("active controller NULL");
return NULL;
}
list_for_each_entry(ep, &usbcore.active_controller->endpoints.list, list) {
if (ep_matches (ep, desc)) {
return ep;
}
}
return NULL;
}
static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc) {
static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc)
{
uint8_t type;
const char* tmp;
uint16_t max;
const char* tmp;
uint16_t max;
/* endpoint already claimed? */
if (ep->claimed) {
logf("!! claimed !!");
/* endpoint already claimed? */
if (ep->claimed) {
logf("!! claimed !!");
return 0;
}
/* only support ep0 for portable CONTROL traffic */
type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
if (type == USB_ENDPOINT_XFER_CONTROL) {
logf("type == control");
logf("type == control");
return 0;
}
/* some other naming convention */
if (ep->name[0] != 'e') {
logf("wrong name");
logf("wrong name");
return 0;
}
/* type-restriction: "-iso", "-bulk", or "-int".
* direction-restriction: "in", "out".
*/
@ -111,20 +111,20 @@ static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc) {
if (tmp[2] == 's') { // == "-iso"
return 0;
}
break;
case USB_ENDPOINT_XFER_BULK:
if (tmp[1] != 'b') { // != "-bulk"
return 0;
}
break;
case USB_ENDPOINT_XFER_ISOC:
if (tmp[2] != 's') { // != "-iso"
return 0;
}
}
break;
case USB_ENDPOINT_XFER_BULK:
if (tmp[1] != 'b') { // != "-bulk"
return 0;
}
break;
case USB_ENDPOINT_XFER_ISOC:
if (tmp[2] != 's') { // != "-iso"
return 0;
}
}
} else {
tmp = ep->name + strlen (ep->name);
}
}
/* direction-restriction: "..in-..", "out-.." */
tmp--;
@ -132,7 +132,7 @@ static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc) {
if (desc->bEndpointAddress & USB_DIR_IN) {
if ('n' != *tmp) {
return 0;
}
}
} else {
if ('t' != *tmp) {
return 0;
@ -147,40 +147,40 @@ static int ep_matches(struct usb_ep* ep, struct usb_endpoint_descriptor* desc) {
* the usb spec fixes high speed bulk maxpacket at 512 bytes.
*/
max = 0x7ff & desc->wMaxPacketSize;
switch (type) {
case USB_ENDPOINT_XFER_INT:
/* INT: limit 64 bytes full speed, 1024 high speed */
if ((usbcore.active_controller->speed != USB_SPEED_HIGH) && (max > 64)) {
if ((usbcore.active_controller->speed != USB_SPEED_HIGH) && (max > 64)) {
return 0;
}
/* FALLTHROUGH */
/* FALLTHROUGH */
case USB_ENDPOINT_XFER_ISOC:
case USB_ENDPOINT_XFER_ISOC:
if ((usbcore.active_controller->speed != USB_SPEED_HIGH) && (max > 1023)) {
return 0;
}
break;
}
break;
}
/* MATCH!! */
/* MATCH!! */
/* report address */
/* report address */
desc->bEndpointAddress |= ep->ep_num;
/* report (variable) full speed bulk maxpacket */
if (type == USB_ENDPOINT_XFER_BULK) {
int size = max;
int size = max;
/* min() doesn't work on bitfields with gcc-3.5 */
if (size > 64) {
size = 64;
}
}
desc->wMaxPacketSize = size;
}
/* save desc in endpoint */
ep->desc = desc;
return 1;
}

102
firmware/usbstack/core/utils.c
View file

@ -20,98 +20,98 @@
#include <string.h>
#include "usbstack/core.h"
void into_usb_ctrlrequest(struct usb_ctrlrequest* request) {
void into_usb_ctrlrequest(struct usb_ctrlrequest* request)
{
char* type = "";
char* req = "";
char* extra = 0;
char* type = "";
char* req = "";
char* extra = 0;
logf("-usb request-");
logf("-usb request-");
/* check if packet is okay */
if (request->bRequestType == 0 &&
if (request->bRequestType == 0 &&
request->bRequest == 0 &&
request->wValue == 0 &&
request->wIndex == 0 &&
request->wLength == 0) {
logf(" -> INVALID <-");
return;
}
}
switch (request->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
type = "standard";
case USB_TYPE_STANDARD:
type = "standard";
switch (request->bRequest) {
case USB_REQ_GET_STATUS:
req = "get status";
req = "get status";
break;
case USB_REQ_CLEAR_FEATURE:
req = "clear feature";
req = "clear feature";
break;
case USB_REQ_SET_FEATURE:
req = "set feature";
req = "set feature";
break;
case USB_REQ_SET_ADDRESS:
req = "set address";
req = "set address";
break;
case USB_REQ_GET_DESCRIPTOR:
req = "get descriptor";
switch (request->wValue >> 8) {
case USB_DT_DEVICE:
extra = "get device descriptor";
break;
case USB_DT_DEVICE_QUALIFIER:
extra = "get device qualifier";
break;
case USB_DT_OTHER_SPEED_CONFIG:
extra = "get other-speed config descriptor";
case USB_DT_CONFIG:
extra = "get configuration descriptor";
break;
case USB_DT_STRING:
extra = "get string descriptor";
break;
case USB_DT_DEBUG:
extra = "debug";
break;
}
break;
req = "get descriptor";
switch (request->wValue >> 8) {
case USB_DT_DEVICE:
extra = "get device descriptor";
break;
case USB_DT_DEVICE_QUALIFIER:
extra = "get device qualifier";
break;
case USB_DT_OTHER_SPEED_CONFIG:
extra = "get other-speed config descriptor";
case USB_DT_CONFIG:
extra = "get configuration descriptor";
break;
case USB_DT_STRING:
extra = "get string descriptor";
break;
case USB_DT_DEBUG:
extra = "debug";
break;
}
break;
break;
case USB_REQ_SET_DESCRIPTOR:
req = "set descriptor";
req = "set descriptor";
break;
case USB_REQ_GET_CONFIGURATION:
req = "get configuration";
req = "get configuration";
break;
case USB_REQ_SET_CONFIGURATION:
req = "set configuration";
req = "set configuration";
break;
case USB_REQ_GET_INTERFACE:
req = "get interface";
req = "get interface";
break;
case USB_REQ_SET_INTERFACE:
req = "set interface";
req = "set interface";
break;
case USB_REQ_SYNCH_FRAME:
req = "sync frame";
req = "sync frame";
break;
default:
req = "unkown";
break;
req = "unkown";
break;
}
break;
case USB_TYPE_CLASS:
type = "class";
type = "class";
break;
case USB_TYPE_VENDOR:
type = "vendor";
type = "vendor";
break;
}
logf(" -b 0x%x", request->bRequestType);
logf(" -b 0x%x", request->bRequest);
logf(" -b 0x%x", request->wValue);
@ -120,6 +120,6 @@ void into_usb_ctrlrequest(struct usb_ctrlrequest* request) {
logf(" -> t: %s", type);
logf(" -> r: %s", req);
if (extra != 0) {
logf(" -> e: %s", extra);
logf(" -> e: %s", extra);
}
}

4
firmware/usbstack/device.h
View file

@ -41,7 +41,7 @@ struct usb_config_descriptor;
struct usb_descriptor_header;
int usb_stack_configdesc(const struct usb_config_descriptor* config,
void* buf, unsigned length,
struct usb_descriptor_header** desc);
void* buf, unsigned length,
struct usb_descriptor_header** desc);
#endif /*_USBSTACK_DEVICE_H_*/

160
firmware/usbstack/drivers/device/usb_serial.c
View file

@ -128,69 +128,69 @@ static int set_config(int config);
struct device {
struct usb_ep* in;
struct usb_ep* out;
uint32_t used_config;
struct usb_ep* in;
struct usb_ep* out;
uint32_t used_config;
};
static struct device dev;
/*-------------------------------------------------------------------------*/
void usb_serial_driver_init(void) {
void usb_serial_driver_init(void)
{
logf("usb serial: register");
usb_device_driver_register(&usb_serial_driver);
}
/*-------------------------------------------------------------------------*/
void usb_serial_driver_bind(void* controler_ops) {
void usb_serial_driver_bind(void* controler_ops)
{
logf("usb serial: bind");
ops = controler_ops;
/* serach and asign endpoints */
usb_ep_autoconfig_reset();
dev.in = usb_ep_autoconfig(&serial_fullspeed_in_desc);
if (!dev.in) {
goto autoconf_fail;
}
dev.in->claimed = true;
logf("usb serial: in: %s", dev.in->name);
dev.out = usb_ep_autoconfig(&serial_fullspeed_out_desc);
if (!dev.out) {
goto autoconf_fail;
}
dev.out->claimed = true;
logf("usb serial: out: %s", dev.out->name);
if (!dev.in) {
goto autoconf_fail;
}
dev.in->claimed = true;
logf("usb serial: in: %s", dev.in->name);
dev.out = usb_ep_autoconfig(&serial_fullspeed_out_desc);
if (!dev.out) {
goto autoconf_fail;
}
dev.out->claimed = true;
logf("usb serial: out: %s", dev.out->name);
/* update device decsriptor */
serial_device_desc.bMaxPacketSize0 = ops->ep0->maxpacket;
/* update qualifie descriptor */
serial_qualifier_desc.bMaxPacketSize0 = ops->ep0->maxpacket;
/* update debug descriptor */
serial_debug_desc.bDebugInEndpoint = dev.in->ep_num;
serial_debug_desc.bDebugOutEndpoint = dev.out->ep_num;
return;
/* update device decsriptor */
serial_device_desc.bMaxPacketSize0 = ops->ep0->maxpacket;
/* update qualifie descriptor */
serial_qualifier_desc.bMaxPacketSize0 = ops->ep0->maxpacket;
/* update debug descriptor */
serial_debug_desc.bDebugInEndpoint = dev.in->ep_num;
serial_debug_desc.bDebugOutEndpoint = dev.out->ep_num;
return;
autoconf_fail:
logf("failed to find endpoiunts");
logf("failed to find endpoiunts");
}
int usb_serial_driver_request(struct usb_ctrlrequest* request) {
int usb_serial_driver_request(struct usb_ctrlrequest* request)
{
int ret = -EOPNOTSUPP;
logf("usb serial: request");
res.length = 0;
res.buf = NULL;
switch (request->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
@ -205,26 +205,26 @@ int usb_serial_driver_request(struct usb_ctrlrequest* request) {
break;
case USB_DT_DEVICE_QUALIFIER:
logf("usb serial: sending qualifier dec");
logf("usb serial: sending qualifier dec");
ret = MIN(sizeof(struct usb_qualifier_descriptor), request->wLength);
res.buf = &serial_qualifier_desc;
res.buf = &serial_qualifier_desc;
case USB_DT_CONFIG:
logf("usb serial: sending config desc");
ret = config_buf(buf, request->wValue >> 8, request->wValue & 0xff);
if (ret >= 0) {
logf("%d, vs %d", request->wLength, ret);
ret = MIN(request->wLength, (uint16_t)ret);
}
ret = config_buf(buf, request->wValue >> 8, request->wValue & 0xff);
if (ret >= 0) {
logf("%d, vs %d", request->wLength, ret);
ret = MIN(request->wLength, (uint16_t)ret);
}
res.buf = buf;
break;
case USB_DT_DEBUG:
logf("usb serial: sending debug desc");
ret = MIN(sizeof(struct usb_debug_descriptor), request->wLength);
res.buf = &serial_debug_desc;
break;
logf("usb serial: sending debug desc");
ret = MIN(sizeof(struct usb_debug_descriptor), request->wLength);
res.buf = &serial_debug_desc;
break;
}
break;
@ -232,9 +232,9 @@ int usb_serial_driver_request(struct usb_ctrlrequest* request) {
logf("usb serial: set configuration %d", request->wValue);
ret = set_config(request->wValue);
break;
case USB_REQ_GET_CONFIGURATION:
logf("usb serial: get configuration");
logf("usb serial: get configuration");
ret = 1;
res.buf = &dev.used_config;
break;
@ -245,56 +245,56 @@ int usb_serial_driver_request(struct usb_ctrlrequest* request) {
res.length = ret;
ret = ops->send(NULL, &res);
}
return ret;
}
void usb_serial_driver_speed(enum usb_device_speed speed) {
void usb_serial_driver_speed(enum usb_device_speed speed)
{
switch (speed) {
case USB_SPEED_LOW:
case USB_SPEED_FULL:
logf("usb serial: using fullspeed");
break;
logf("usb serial: using fullspeed");
break;
case USB_SPEED_HIGH:
logf("usb serial: using highspeed");
break;
logf("usb serial: using highspeed");
break;
default:
logf("speed: hmm");
break;
logf("speed: hmm");
break;
}
}
/*-------------------------------------------------------------------------*/
/* helper functions */
static int config_buf(uint8_t *buf, uint8_t type, unsigned index) {
int len;
static int config_buf(uint8_t *buf, uint8_t type, unsigned index)
{
int len;
/* TODO check index*/
len = usb_stack_configdesc(&serial_bulk_config_desc, buf, BUFFER_SIZE, serial_bulk_fullspeed_function);
if (len < 0) {
return len;
}
((struct usb_config_descriptor *)buf)->bDescriptorType = type;
return len;
/* TODO check index*/
len = usb_stack_configdesc(&serial_bulk_config_desc, buf, BUFFER_SIZE, serial_bulk_fullspeed_function);
if (len < 0) {
return len;
}
((struct usb_config_descriptor *)buf)->bDescriptorType = type;
return len;
}
static int set_config(int config) {
static int set_config(int config)
{
/* TODO check config*/
/* TODO check config*/
/* enable endpoints */
logf("setup %s", dev.in->name);
ops->enable(dev.in);
logf("setup %s", dev.out->name);
ops->enable(dev.out);
/* store config */
logf("using config %d", config);
dev.used_config = config;
/* store config */
logf("using config %d", config);
dev.used_config = config;
return 0;
}

132
firmware/usbstack/drivers/device/usb_storage.c
View file

@ -128,8 +128,8 @@ static int set_config(int config);
/*-------------------------------------------------------------------------*/
void usb_storage_driver_init(void) {
void usb_storage_driver_init(void)
{
logf("usb storage: register");
usb_device_driver_register(&usb_storage_driver);
}
@ -137,41 +137,41 @@ void usb_storage_driver_init(void) {
/*-------------------------------------------------------------------------*/
/* device driver ops */
void usb_storage_driver_bind(void* controler_ops) {
void usb_storage_driver_bind(void* controler_ops)
{
ops = controler_ops;
/* serach and asign endpoints */
usb_ep_autoconfig_reset();
dev.in = usb_ep_autoconfig(&storage_bulk_in_desc);
if (!dev.in) {
goto autoconf_fail;
}
dev.in->claimed = true;
logf("usb storage: in: %s", dev.in->name);
dev.out = usb_ep_autoconfig(&storage_bulk_out_desc);
if (!dev.out) {
goto autoconf_fail;
}
dev.out->claimed = true;
logf("usb storage: out: %s", dev.out->name);
return;
if (!dev.in) {
goto autoconf_fail;
}
dev.in->claimed = true;
logf("usb storage: in: %s", dev.in->name);
dev.out = usb_ep_autoconfig(&storage_bulk_out_desc);
if (!dev.out) {
goto autoconf_fail;
}
dev.out->claimed = true;
logf("usb storage: out: %s", dev.out->name);
return;
autoconf_fail:
logf("failed to find endpoints");
logf("failed to find endpoints");
}
int usb_storage_driver_request(struct usb_ctrlrequest* request) {
int usb_storage_driver_request(struct usb_ctrlrequest* request)
{
int ret = -EOPNOTSUPP;
logf("usb storage: request");
res.length = 0;
res.buf = NULL;
switch (request->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
@ -187,12 +187,12 @@ int usb_storage_driver_request(struct usb_ctrlrequest* request) {
case USB_DT_CONFIG:
logf("usb storage: sending config desc");
ret = config_buf(buf, request->wValue >> 8, request->wValue & 0xff);
if (ret >= 0) {
logf("%d, vs %d", request->wLength, ret);
ret = MIN(request->wLength, (uint16_t)ret);
}
ret = config_buf(buf, request->wValue >> 8, request->wValue & 0xff);
if (ret >= 0) {
logf("%d, vs %d", request->wLength, ret);
ret = MIN(request->wLength, (uint16_t)ret);
}
res.buf = buf;
break;
}
@ -202,68 +202,68 @@ int usb_storage_driver_request(struct usb_ctrlrequest* request) {
logf("usb storage: set configuration %d", request->wValue);
ret = set_config(request->wValue);
break;
case USB_REQ_SET_INTERFACE:
logf("usb storage: set interface");
ret = 0;
break;
}
case USB_TYPE_CLASS:
switch (request->bRequest) {
case USB_BULK_RESET_REQUEST:
logf("usb storage: bulk reset");
break;
case USB_BULK_GET_MAX_LUN_REQUEST:
logf("usb storage: get max lun");
/* we support no LUNs (Logical Unit Number) */
buf[0] = 0;
ret = 1;
break;
}
break;
switch (request->bRequest) {
case USB_BULK_RESET_REQUEST:
logf("usb storage: bulk reset");
break;
case USB_BULK_GET_MAX_LUN_REQUEST:
logf("usb storage: get max lun");
/* we support no LUNs (Logical Unit Number) */
buf[0] = 0;
ret = 1;
break;
}
break;
}
if (ret >= 0) {
res.length = ret;
ret = ops->send(NULL, &res);
}
return ret;
}
/*-------------------------------------------------------------------------*/
/* S/GET CONFIGURATION helpers */
static int config_buf(uint8_t *buf, uint8_t type, unsigned index) {
int len;
static int config_buf(uint8_t *buf, uint8_t type, unsigned index)
{
int len;
/* only one configuration */
if (index != 0) {
return -EINVAL;
}
len = usb_stack_configdesc(&storage_config_desc, buf, BUFFER_SIZE, storage_fullspeed_function);
if (len < 0) {
return len;
}
((struct usb_config_descriptor *)buf)->bDescriptorType = type;
return len;
/* only one configuration */
if (index != 0) {
return -EINVAL;
}
len = usb_stack_configdesc(&storage_config_desc, buf, BUFFER_SIZE, storage_fullspeed_function);
if (len < 0) {
return len;
}
((struct usb_config_descriptor *)buf)->bDescriptorType = type;
return len;
}
static int set_config(int config) {
static int set_config(int config)
{
/* enable endpoints */
logf("setup %s", dev.in->name);
ops->enable(dev.in);
logf("setup %s", dev.out->name);
ops->enable(dev.out);
/* setup buffers */
return 0;
}

2
firmware/usbstack/host.h
View file

@ -25,7 +25,7 @@
*/
struct usb_host_driver {
const char* name;
void* data; /* used to store controller specific ops struct */
void* data; /* used to store controller specific ops struct */
};
#endif /*_USBSTACK_HOST_H_*/