Changeset c0573d7 in rtems

Timestamp:

07/15/98 21:40:42 (25 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

38e717f

Parents:

0f61336

Message:

Added comment to remove use of TxBuffer? ring buffer in all libchip drivers.
The scheme used in the mc68681 is the one to follow.

Location:

c/src

Files:

• lib/libchip/serial/serial.h (modified) (3 diffs)
• libchip/serial/serial.h (modified) (3 diffs)

c/src/lib/libchip/serial/serial.h

@@ -53 +53 @@
 } console_flow;
 
+typedef enum {
+  SERIAL_MC68681,              /* Motorola MC68681 or Exar 88681 */
+  SERIAL_NS16550,              /* National Semiconductor NS16550 */
+  SERIAL_Z85C30,               /* Zilog Z85C30 */
+  SERIAL_CUSTOM                /* BSP specific driver */
+
+} console_devs;
+
 /*
  * Each field is interpreted thus:
  * 
  * sDeviceName  This is the name of the device. 
+ *
+ * deviceType   This indicates the chip type.  It is especially important when
+ *              multiple devices share the same interrupt vector and must be
+ *              distinguished.
  *
  * pDeviceFns   This is a pointer to the set of driver routines to use.
@@ -113 +125 @@
 typedef struct _console_tbl {
   char          *sDeviceName;
+  console_devs   deviceType;
   console_fns   *pDeviceFns;
   boolean      (*deviceProbe)(int minor);
@@ -133 +146 @@
   void                   *termios_data;
   volatile boolean        bActive;
-  volatile Ring_buffer_t  TxBuffer;
+  volatile Ring_buffer_t  TxBuffer;  /* XXX remove from other drivers */
   /*
    * This field may be used for any purpose required by the driver

c/src/libchip/serial/serial.h

@@ -53 +53 @@
 } console_flow;
 
+typedef enum {
+  SERIAL_MC68681,              /* Motorola MC68681 or Exar 88681 */
+  SERIAL_NS16550,              /* National Semiconductor NS16550 */
+  SERIAL_Z85C30,               /* Zilog Z85C30 */
+  SERIAL_CUSTOM                /* BSP specific driver */
+
+} console_devs;
+
 /*
  * Each field is interpreted thus:
  * 
  * sDeviceName  This is the name of the device. 
+ *
+ * deviceType   This indicates the chip type.  It is especially important when
+ *              multiple devices share the same interrupt vector and must be
+ *              distinguished.
  *
  * pDeviceFns   This is a pointer to the set of driver routines to use.
@@ -113 +125 @@
 typedef struct _console_tbl {
   char          *sDeviceName;
+  console_devs   deviceType;
   console_fns   *pDeviceFns;
   boolean      (*deviceProbe)(int minor);
@@ -133 +146 @@
   void                   *termios_data;
   volatile boolean        bActive;
-  volatile Ring_buffer_t  TxBuffer;
+  volatile Ring_buffer_t  TxBuffer;  /* XXX remove from other drivers */
   /*
    * This field may be used for any purpose required by the driver