Changeset 040ab02 in mainline for uspace/drv/usbhub/port_status.h

Timestamp:

2011-04-05T19:45:52Z (13 years ago)

Author:

Matus Dekanek <smekideki@…>

Branches:

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

Children:

90d0522

Parents:

3bb6b35

Message:

usb hub global over-current and power changes

File:

• uspace/drv/usbhub/port_status.h (modified) (4 diffs)

uspace/drv/usbhub/port_status.h

@@ -49 +49 @@
 
 /**
+ * structure holding hub status and changes flags.
+ * should not be accessed directly, use supplied getter/setter methods.
+ *
+ * For more information refer to table 11.16.2.5 in
+ * "Universal Serial Bus Specification Revision 1.1"
+ *
+ */
+typedef uint32_t usb_hub_status_t;
+
+/**
  * set values in request to be it a port status request
  * @param request
@@ -58 +68 @@
         request->index = port;
         request->request_type = USB_HUB_REQ_TYPE_GET_PORT_STATUS;
+        request->request = USB_HUB_REQUEST_GET_STATUS;
+        request->value = 0;
+        request->length = 4;
+}
+
+/**
+ * set values in request to be it a port status request
+ * @param request
+ * @param port
+ */
+static inline void usb_hub_set_hub_status_request(
+usb_device_request_setup_packet_t * request
+){
+        request->index = 0;
+        request->request_type = USB_HUB_REQ_TYPE_GET_HUB_STATUS;
         request->request = USB_HUB_REQUEST_GET_STATUS;
         request->value = 0;
@@ -242 +267 @@
 }
 
+/** get i`th bit of hub status */
+static inline bool usb_hub_get_bit(usb_hub_status_t * status, int idx)
+{
+        return (((*status)>>(idx))%2);
+}
+
+/** set i`th bit of hub status */
+static inline void usb_hub_set_bit(
+        usb_hub_status_t * status, int idx, bool value)
+{
+        (*status) = value?
+                               ((*status)|(1<<(idx))):
+                               ((*status)&(~(1<<(idx))));
+}
+
+
 //device connnected on port
 static inline bool usb_port_dev_connected(usb_port_status_t * status){
@@ -368 +409 @@
 }
 
+//local power status
+static inline bool usb_hub_local_power_lost(usb_hub_status_t * status){
+        return usb_hub_get_bit(status,0);
+}
+
+static inline void usb_hub_set_local_power_lost(usb_port_status_t * status,
+        bool power_lost){
+        usb_hub_set_bit(status,0,power_lost);
+}
+
+//over current ocndition
+static inline bool usb_hub_over_current(usb_hub_status_t * status){
+        return usb_hub_get_bit(status,1);
+}
+
+static inline void usb_hub_set_over_current(usb_port_status_t * status,
+        bool over_current){
+        usb_hub_set_bit(status,1,over_current);
+}
+
+//local power change
+static inline bool usb_hub_local_power_change(usb_hub_status_t * status){
+        return usb_hub_get_bit(status,16);
+}
+
+static inline void usb_hub_set_local_power_change(usb_port_status_t * status,
+        bool change){
+        usb_hub_set_bit(status,16,change);
+}
+
+//local power status
+static inline bool usb_hub_over_current_change(usb_hub_status_t * status){
+        return usb_hub_get_bit(status,17);
+}
+
+static inline void usb_hub_set_over_current_change(usb_port_status_t * status,
+        bool change){
+        usb_hub_set_bit(status,17,change);
+}