some routines for removing a device on demand. thist do not work properly

[ppcskel.git] / usb / drivers / class / hid.c

diff --git a/usb/drivers/class/hid.c b/usb/drivers/class/hid.c
index 60d3a4db118b0283b134ced18ccd086b98aa8c84..933b592073e938dedb1d09c47207563bf762b38d 100644 (file)
--- a/usb/drivers/class/hid.c
+++ b/usb/drivers/class/hid.c
@@ -21,9 +21,32 @@ struct usb_driver hidkb = {
        .name     = "hidkb",
        .probe  = usb_hidkb_probe,
        .check  = usb_hidkb_check,
+       .remove = usb_hidkb_remove,
        .data     = NULL
 };
 
+/*
+ * just using two very simple US layout code translation tables that
+ * are sufficient for providing a getc() C standard library call;
+ * the only non-printable character here in this table is ESCAPE which
+ * has index 0x29 and is zero
+ */
+unsigned char code_translation_table[2][57] = {
+       { /* unshifted */
+        0,   0,   0,   0,  'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
+       'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2',
+       '3', '4', '5', '6', '7', '8', '9', '0', '\n', 0,  '\r','\t',' ', '-', '=', '[',
+       ']', '\\','\\',';', '\'','`', ',', '.', '/'
+       },
+       { /* shifted */
+        0,   0,   0,   0,  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
+       'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@',
+       '#', '$', '%', '^', '&', '*', '(', ')', '\n', 0,  '\r','\t',' ', '_', '+', '{',
+       '}', '|', '|', ':', '\"','~', '<', '>', '?'
+       }
+};
+
+
 void usb_hidkb_init()
 {
        usb_register_driver(&hidkb);
@@ -36,21 +59,42 @@ void usb_hidkb_probe()
        
        while(iterator != NULL) {
                dev = (struct usb_device*)iterator->data;
+               if(dev == NULL) {
+                       continue;
+               }
 
                if(dev->conf->intf->bInterfaceClass == HID_CLASSCODE &&
                                dev->conf->intf->bInterfaceSubClass == 1 && /* keyboard support boot protocol? */
                                dev->conf->intf->bInterfaceProtocol == 1) { /* keyboard? */
                        hidkb.data = (void*) dev;
+                       usb_hidkb_set_idle(dev, 1);
                }
 
                iterator=iterator->next;
        }
 }
 
+void usb_hidkb_set_idle(struct usb_device *dev, u8 duration) {
+#define SET_IDLE 0x0A
+       u8 buf[8];
+       memset(buf, 0, 8);
+       usb_control_msg(dev, 0x21, SET_IDLE, (duration << 8), 0, 0, buf, 0);
+       hexdump((void*) buf, 8);
+}
+
 void usb_hidkb_check()
 {
 }
 
+u8 usb_hidkb_inuse()
+{
+       return hidkb.data ? 1 : 0;
+}
+
+void usb_hidkb_remove() {
+       hidkb.data = NULL;
+}
+
 struct kbrep *usb_hidkb_getChars() {
        struct usb_device *dev = (struct usb_device*) hidkb.data;
        struct kbrep *ret = (struct kbrep*) malloc(sizeof(struct kbrep));
@@ -58,9 +102,18 @@ struct kbrep *usb_hidkb_getChars() {
        memset(ret, 0, 8);
        s8 epnum = dev->conf->intf->endp->bEndpointAddress & 0xf;
        (void) usb_interrupt_read(dev, epnum, (u8*) ret, 8, 0);
+#if 0
        printf("============\nusb_interrupt_read:\n");
        hexdump((void*)ret, 8);
-
+#endif
        return ret;
 }
 
+unsigned char usb_hidkb_get_char_from_keycode(u8 keycode, int shifted)
+{
+       unsigned char result = 0;
+       if (keycode >= 0x3 && keycode < 57) {
+               result = code_translation_table[!!shifted][keycode];
+       }
+       return result;
+}