Working on new serial API

git-svn-id: svn://svn.cc65.org/cc65/trunk@2069 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/serial/.cvsignore

@@ -0,0 +1 @@
+ser_load.s

libsrc/serial/Makefile

@@ -20,7 +20,13 @@
 C_OBJS =        ser_load.o
 
 S_OBJS =       	ser-kernel.o	\
-		ser_unload.o
+                ser_get.o       \
+                ser_params.o    \
+                ser_pause.o     \
+                ser_put.o       \
+                ser_status.o    \
+		ser_unload.o    \
+                ser_unpause.o
 
 
 #--------------------------------------------------------------------------

libsrc/serial/ser-kernel.s

@@ -24,6 +24,12 @@ _ser_drv:       .res    2      		; Pointer to driver
 ser_vectors:
 ser_install:   	jmp     return0
 ser_uninstall: 	jmp     return0
+ser_params:     jmp     return0
+ser_get:        jmp     return0
+ser_put:        jmp     return0
+ser_pause:      jmp     return0
+ser_unpause:    jmp     return0
+ser_status:     jmp     return0
 
 ; Driver header signature
 .rodata

libsrc/serial/ser_get.s

@@ -0,0 +1,25 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_get (char* b);
+; /* Get a character from the serial port. If no characters are available, the
+;  * function will return SER_ERR_NO_DATA, so this is not a fatal error.
+;  */
+
+
+        .importzp       ptr1
+
+        .include        "ser-kernel.inc"
+
+
+.proc   _ser_get
+
+        sta     ptr1
+        stx     ptr1+1                  ; Save pointer to char
+        jmp     ser_get                 ; Call the driver
+
+.endproc
+
+
+
+

libsrc/serial/ser_load.c

@@ -36,8 +36,24 @@
 #include <string.h>
 #include <fcntl.h>
 #include <modload.h>
-#include <ser.h>
-#include <ser/ser-kernel.h>
+#include <serial.h>
+
+
+
+/*****************************************************************************/
+/*     	      	    	  	     Data	     			     */
+/*****************************************************************************/
+
+
+
+/* Pointer to serial driver, exported from ser-kernel.s */
+extern void* ser_drv;
+
+
+
+/*****************************************************************************/
+/*     	      	    	  	     Code	     			     */
+/*****************************************************************************/
 
 
 
@@ -79,4 +95,3 @@ unsigned char __fastcall__ ser_load_driver (const char* name)
 
 
 
-              

libsrc/serial/ser_params.s

@@ -0,0 +1,24 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_params (const struct ser_params* params);
+; /* Set the port parameters. This will also enable the port. */
+
+
+        .importzp       ptr1
+
+        .include        "ser-kernel.inc"
+
+
+
+.proc   _ser_params
+
+        sta     ptr1
+        stx     ptr1+1                  ; Save pointer to params
+        jmp     ser_params              ; Call the driver
+
+.endproc
+
+
+
+

libsrc/serial/ser_pause.s

@@ -0,0 +1,12 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_pause (void);
+; /* Assert flow control and disable interrupts. */
+
+
+
+        .include        "ser-kernel.inc"
+
+        _ser_pause      = ser_pause
+

libsrc/serial/ser_put.s

@@ -0,0 +1,14 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_put (char b);
+; /* Send a character via the serial port. There is a transmit buffer, but
+;  * transmitting is not done via interrupt. The function returns
+;  * SER_ERR_OVERFLOW if there is no space left in the transmit buffer.
+;  */
+
+
+        .include        "ser-kernel.inc"
+
+        _ser_put        = ser_put
+

libsrc/serial/ser_status.s

@@ -0,0 +1,21 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_status (unsigned char* status);
+; /* Return the serial port status. */
+
+
+        .importzp       ptr1
+
+        .include        "ser-kernel.inc"
+
+
+.proc   _ser_status
+
+        sta     ptr1
+        stx     ptr1+1                  ; Save pointer to status
+        jmp     ser_status              ; Call the driver
+
+.endproc
+
+

libsrc/serial/ser_unload.s

@@ -11,6 +11,7 @@
         .include        "ser-error.inc"
         .include        "modload.inc"
 
+
 _ser_unload:
     	lda	_ser_drv
 	ora	_ser_drv+1

libsrc/serial/ser_unpause.s

@@ -0,0 +1,11 @@
+;
+; Ullrich von Bassewitz, 2003-04-18
+;
+; unsigned char __fastcall__ ser_unpause (void);
+; /* Re-enable interrupts and release flow control */
+
+
+        .include        "ser-kernel.inc"
+
+        _ser_unpause    = ser_unpause
+