Changeset 2e15ac40 in mainline

Timestamp:

2010-11-26T15:25:52Z (14 years ago)

Author:

Lubos Slovak <lubos.slovak@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bbc28be

Parents:

03171de

Message:

Outlined some basic keyboard handling functions.

USB kbd driver now starts one fibril for each added device.
Initialization of kbd device outlined.
Added type usb_hid_dev_kbd_t.

Location:

uspace

Files:

• app/virtusbkbd/Makefile (modified) (1 diff)
• drv/usbkbd/main.c (modified) (5 diffs)
• lib/usb/include/usb/classes/hid.h (modified) (2 diffs)

uspace/app/virtusbkbd/Makefile

@@ -33 +33 @@
 
 LIBS = $(LIBUSB_PREFIX)/libusb.a $(LIBUSBVIRT_PREFIX)/libusbvirt.a
-EXTRA_CFLAGS = -I$(LIBUSB_PREFIX)/include -I$(LIB_PREFIX)
+EXTRA_CFLAGS = -I$(LIBUSB_PREFIX)/include -I$(LIB_PREFIX) -I$(LIBDRV_PREFIX)/include
 
 SOURCES = \

uspace/drv/usbkbd/main.c

@@ -28 +28 @@
 #include <usb/usbdrv.h>
 #include <driver.h>
+#include <ipc/driver.h>
 #include <errno.h>
+#include <fibril.h>
+#include <usb/classes/hid.h>
 
 #define BUFFER_SIZE 32
+#define NAME "usbkbd"
+
+static const usb_endpoint_t CONTROL_EP = 0;
+
+static usb_hid_dev_kbd_t *usbkbd_init_device(device_t *dev)
+{
+        usb_hid_dev_kbd_t *kbd_dev = (usb_hid_dev_kbd_t *)malloc(
+                        sizeof(usb_hid_dev_kbd_t));
+
+        if (kbd_dev == NULL) {
+                fprintf(stderr, NAME ": No memory!\n");
+                return NULL;
+        }
+
+        kbd_dev->device = dev;
+
+        kbd_dev->address = usb_drv_get_my_address(dev->parent_phone,
+            dev);
+
+        if (kbd_dev->address < 0) {
+                fprintf(stderr, NAME ": No device address!\n");
+                free(kbd_dev);
+                return NULL;
+        }
+
+        // default endpoint
+        kbd_dev->default_ep = CONTROL_EP;
+
+        // TODO: get descriptors
+
+        // TODO: parse descriptors and save endpoints
+
+        return kbd_dev;
+}
 
 /* Call this periodically to check keyboard status changes. */
-static void poll_keyboard(device_t *dev)
+static void usbkbd_poll_keyboard(usb_hid_dev_kbd_t *kbd_dev)
 {
         int rc;
@@ -39 +76 @@
         char buffer[BUFFER_SIZE];
         size_t actual_size;
-        usb_endpoint_t poll_endpoint = 1;
+        //usb_endpoint_t poll_endpoint = 1;
 
-        usb_address_t my_address = usb_drv_get_my_address(dev->parent_phone,
-            dev);
-        if (my_address < 0) {
-                return;
-        }
+//      usb_address_t my_address = usb_drv_get_my_address(dev->parent_phone,
+//          dev);
+//      if (my_address < 0) {
+//              return;
+//      }
 
         usb_target_t poll_target = {
-                .address = my_address,
-                .endpoint = poll_endpoint
+                .address = kbd_dev->address,
+                .endpoint = kbd_dev->default_ep
         };
 
-        rc = usb_drv_async_interrupt_in(dev->parent_phone, poll_target,
-            buffer, BUFFER_SIZE, &actual_size, &handle);
+        rc = usb_drv_async_interrupt_in(kbd_dev->device->parent_phone,
+            poll_target, buffer, BUFFER_SIZE, &actual_size, &handle);
+
         if (rc != EOK) {
                 return;
@@ -72 +110 @@
 
         /*
-         * Process pressed keys.
+         * TODO: Process pressed keys.
          */
 }
 
-static int add_kbd_device(device_t *dev)
+static int usbkbd_fibril_device(void *arg)
+{
+        printf("!!! USB device fibril\n");
+
+        if (arg == NULL) {
+                printf("No device!\n");
+                return -1;
+        }
+
+        device_t *dev = (device_t *)arg;
+
+        // initialize device (get and process descriptors, get address, etc.)
+        usb_hid_dev_kbd_t *kbd_dev = usbkbd_init_device(dev);
+
+        usbkbd_poll_keyboard(kbd_dev);
+
+        return EOK;
+}
+
+static int usbkbd_add_device(device_t *dev)
 {
         /* For now, fail immediately. */
@@ -83 +140 @@
         /*
          * When everything is okay, connect to "our" HC.
+         *
+         * Not supported yet, skip..
          */
-        int phone = usb_drv_hc_connect(dev, 0);
-        if (phone < 0) {
-                /*
-                 * Connecting to HC failed, roll-back and announce
-                 * failure.
-                 */
-                return phone;
-        }
+//      int phone = usb_drv_hc_connect(dev, 0);
+//      if (phone < 0) {
+//              /*
+//               * Connecting to HC failed, roll-back and announce
+//               * failure.
+//               */
+//              return phone;
+//      }
 
-        dev->parent_phone = phone;
+//      dev->parent_phone = phone;
 
         /*
-         * Just for fun ;-).
+         * Create new fibril for handling this keyboard
          */
-        poll_keyboard(dev);
+        fid_t fid = fibril_create(usbkbd_fibril_device, dev);
+        if (fid == 0) {
+                printf("%s: failed to start fibril for HID device\n", NAME);
+                return ENOMEM;
+        }
+        fibril_add_ready(fid);
 
         /*
@@ -107 +171 @@
 
 static driver_ops_t kbd_driver_ops = {
-        .add_device = add_kbd_device,
+        .add_device = usbkbd_add_device,
 };
 
 static driver_t kbd_driver = {
-        .name = "usbkbd",
+        .name = NAME,
         .driver_ops = &kbd_driver_ops
 };

uspace/lib/usb/include/usb/classes/hid.h

@@ -36 +36 @@
 #define LIBUSB_HID_H_
 
+#include <usb/usb.h>
+#include <driver.h>
+
 /** USB/HID device requests. */
 typedef enum {
@@ -54 +57 @@
 } usb_hid_protocol_t;
 
+/**
+ * @brief USB/HID keyboard device type.
+ *
+ * Quite dummy right now.
+ */
+typedef struct {
+        device_t *device;
+        usb_address_t address;
+        usb_endpoint_t default_ep;
+} usb_hid_dev_kbd_t;
+
 #endif
 /**