some usb stack related clean up; BULK still untested
authorBernhard Urban <lewurm@gmx.net>
Mon, 28 Sep 2009 18:42:53 +0000 (20:42 +0200)
committerBernhard Urban <lewurm@gmx.net>
Sun, 3 Jan 2010 22:48:23 +0000 (23:48 +0100)
usb/core/core.c
usb/core/usb.c

index 97acc56a57be1e7a66d1b0fbded801c2396e6540..a6c84fb2a7dd13aa3409feb94592fa69071052a1 100644 (file)
@@ -120,7 +120,7 @@ struct usb_device *usb_add_device(u8 lowspeed, u32 reg)
        if(ret < 0) {
                return (void*) -1;
        }
-//
+
 //#define WTF
 #ifdef WTF
        volatile u8 wzf = 11;
@@ -440,62 +440,13 @@ u16 usb_submit_irp(struct usb_irp *irp)
                break;
 
        case USB_BULK:
-               //u8 runloop=1;
-               //u16 restlength = irp->len;
-               //char * td_buf_ptr=irp->buffer;
-
-               /* schleife die die tds generiert */
-               while (runloop) {
-                       td = usb_create_transfer_descriptor(irp);
-                       td->endpoint = td->endpoint & 0x7F;                             /* clear direction bit */
-
-                       /* max packet size for given endpoint */
-                       td->actlen = irp->epsize;
-
-                       /* Generate In Packet  */
-                       if (irp->endpoint & 0x80)
-                               td->pid = USB_PID_IN;
-                       else
-                               /* Generate Out Packet */
-                               td->pid = USB_PID_OUT;
-
-                       /* stop loop if all bytes are send */
-                       if (restlength <= irp->epsize) {
-                               runloop = 0;
-                               td->actlen = restlength;
-                       }
-
-                       td->buffer = td_buf_ptr;
-                       /* move pointer for next packet */
-                       td_buf_ptr = td_buf_ptr + irp->epsize;
-
-                       td->togl = togl;
-                       togl = togl ? 0 : 1;
-                               /**** send token ****/
-                       hcdi_enqueue(td, irp->dev->ohci);
-                       free(td);
-               }
-               /* next togl */
-               //if(td->pid == USB_PID_OUT) {
-               //if(togl==0) togl=1; else togl=0;
-               //}
-               irp->dev->epTogl[(irp->endpoint & 0x7F)] = togl;
-
-               break;
-       
        case USB_INTR:
-               //u8 runloop=1;
-               //u16 restlength = irp->len;
-               //char * td_buf_ptr=irp->buffer;
-
-               /* schleife die die tds generiert */
                while (runloop && (restlength > 0)) {
                        td = usb_create_transfer_descriptor(irp);
                        /* max packet size for given endpoint */
                        td->actlen = irp->epsize;
 
-                       td->pid = USB_PID_IN;
-                       /* TODO: USB_PID_OUT */
+                       td->pid = irp->endpoint & 0x80 ? USB_PID_IN : USB_PID_OUT;
 
                        /* stop loop if all bytes are send */
                        if (restlength < irp->epsize) {
@@ -534,7 +485,7 @@ struct usb_transfer_descriptor *usb_create_transfer_descriptor(struct usb_irp *
                        (struct usb_transfer_descriptor *) malloc(sizeof(struct usb_transfer_descriptor));
 
        td->devaddress = irp->dev->address;
-       td->endpoint = irp->endpoint;
+       td->endpoint = irp->endpoint & 0x7F;
        td->iso = 0;
        td->state = USB_TRANSFER_DESCR_NONE;
        td->maxp = irp->epsize;
index 76c3e8516ff632ce1bca281a99ddbed6a81afe23..45ceba2ea51a4175010c4c774c858227717dec12 100644 (file)
@@ -118,12 +118,14 @@ s8 usb_reset(struct usb_device *dev)
 s8 usb_control_msg(struct usb_device *dev, u8 requesttype, u8 request,
                u16 value, u16 index, u16 length, u8 *buf, u16 timeout)
 {
-       struct usb_irp *irp = (struct usb_irp*)malloc(sizeof(struct usb_irp));
-       irp->dev = dev;
-       irp->endpoint = 0;
+       static struct usb_irp irp;
+       memset(&irp, 0, sizeof(struct usb_irp));
 
-       irp->epsize = dev->bMaxPacketSize0;
-       irp->type = USB_CTRL;
+       irp.dev = dev;
+       irp.endpoint = 0;
+
+       irp.epsize = dev->bMaxPacketSize0;
+       irp.type = USB_CTRL;
 
        buf[0]=(u8)requesttype;
        buf[1]=(u8)request;
@@ -134,12 +136,11 @@ s8 usb_control_msg(struct usb_device *dev, u8 requesttype, u8 request,
        buf[6]=(u8)(length);
        buf[7]=(u8)(length >> 8);
 
-       irp->buffer = buf;
-       irp->len = length;
-       irp->timeout = timeout;
+       irp.buffer = buf;
+       irp.len = length;
+       irp.timeout = timeout;
 
-       usb_submit_irp(irp);
-       free(irp);
+       usb_submit_irp(&irp);
 
        return 0;
 }
@@ -333,7 +334,22 @@ s8 usb_set_altinterface(struct usb_device *dev, u8 alternate)
        return 0;
 }
 
+static s8 usb_gen_rw(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout, u8 type) {
+       static struct usb_irp irp;
+       memset(&irp, 0, sizeof(struct usb_irp));
+
+       irp.dev = dev;
+       irp.endpoint = ep;
+       irp.epsize = dev->epSize[ep & 0x7F];
+       irp.type = type;
+
+       irp.buffer = buf;
+       irp.len = size;
+       irp.timeout = timeout;
 
+       usb_submit_irp(&irp);
+       return 0;
+}
 
 /******************* Bulk Transfer **********************/
 /**
@@ -341,22 +357,7 @@ s8 usb_set_altinterface(struct usb_device *dev, u8 alternate)
  */
 s8 usb_bulk_write(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
 {
-       struct usb_irp * irp = (struct usb_irp*)malloc(sizeof(struct usb_irp));
-       irp->dev = dev;
-       //irp->devaddress = dev->address;
-       
-       irp->endpoint = ep;
-       irp->epsize = dev->epSize[ep]; // ermitteln
-       irp->type = USB_BULK;
-
-       irp->buffer = buf;
-       irp->len = size;
-       irp->timeout = timeout;
-
-       usb_submit_irp(irp);
-       free(irp);
-
-       return 0;
+       return usb_gen_rw(dev, ep, buf, size, timeout, USB_BULK);
 }
 
 /**
@@ -364,22 +365,7 @@ s8 usb_bulk_write(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
  */
 s8 usb_bulk_read(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
 {
-       struct usb_irp * irp = (struct usb_irp*)malloc(sizeof(struct usb_irp));
-       //irp->devaddress = dev->address;
-       irp->dev = dev;
-       
-       irp->endpoint = ep | 0x80;      // from device to host
-       irp->epsize = dev->epSize[ep]; // ermitteln
-       irp->type = USB_BULK;
-
-       irp->buffer = buf;
-       irp->len = size;
-       irp->timeout = timeout;
-
-       usb_submit_irp(irp);
-       free(irp);
-
-       return 0;
+       return usb_gen_rw(dev, ep|0x80, buf, size, timeout, USB_BULK);
 }
 
 
@@ -389,7 +375,7 @@ s8 usb_bulk_read(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
  */
 s8 usb_interrupt_write(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
 {
-       return 0;
+       return usb_gen_rw(dev, ep, buf, size, timeout, USB_INTR);
 }
 
 /**
@@ -397,20 +383,7 @@ s8 usb_interrupt_write(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeo
  */
 s8 usb_interrupt_read(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout)
 {
-       struct usb_irp *irp = (struct usb_irp*)malloc(sizeof(struct usb_irp));
-       irp->dev = dev;
-       irp->endpoint = ep; //wtf? |80; //from device to host
-       irp->epsize = dev->epSize[ep]; // ermitteln
-       irp->type = USB_INTR;
-
-       irp->buffer = buf;
-       irp->len = size;
-       irp->timeout = timeout;
-
-       usb_submit_irp(irp);
-       free(irp);
-
-       return 0;
+       return usb_gen_rw(dev, ep|0x80, buf, size, timeout, USB_INTR);
 }
 
 
@@ -435,5 +408,3 @@ s8 usb_isochron_read(struct usb_device *dev, u8 ep, u8 *buf, u8 size, u8 timeout
        return 0;
 }
 
-
-//#endif       //_USB_H_