X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fser.h;h=1054f4fdd3ec16abce8f59888840d0e26d2e0374;hb=4be63e9bf292129a3d9771025528d254646180fe;hp=f9ff2ddd639afe3e032eed2431be38f4fd845fae;hpb=bcf38f772b397e7a8ba781a69aacb9380e54b32a;p=bertos.git

diff --git a/drv/ser.h b/drv/ser.h
old mode 100755
new mode 100644
index f9ff2ddd..1054f4fd
--- a/drv/ser.h
+++ b/drv/ser.h
@@ -1,9 +1,34 @@
 /**
  * \file
  * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
  * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
  * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- * This file is part of DevLib - See README.devlib for information.
+ *
  * -->
  *
  * \brief High level serial I/O API
@@ -14,6 +39,33 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.36  2007/01/29 11:30:30  batt
+ *#* Reimplement ser_clearstatus as a macro.
+ *#*
+ *#* Revision 1.35  2007/01/27 20:47:12  batt
+ *#* Add clear status.
+ *#*
+ *#* Revision 1.34  2006/11/20 15:07:40  batt
+ *#* Revert unneeded locked functions.
+ *#*
+ *#* Revision 1.33  2006/11/17 17:03:58  batt
+ *#* Implement ser_setstatus and ser_getstatus as functions to avoid race conditions.
+ *#*
+ *#* Revision 1.32  2006/11/17 16:01:12  batt
+ *#* Serial status MUST be volatile.
+ *#*
+ *#* Revision 1.31  2006/09/13 18:22:48  bernie
+ *#* Typo.
+ *#*
+ *#* Revision 1.30  2006/09/13 18:21:23  bernie
+ *#* Add configurable SPI pin mapping.
+ *#*
+ *#* Revision 1.29  2006/09/13 13:59:11  bernie
+ *#* Documentation fixes.
+ *#*
+ *#* Revision 1.28  2006/07/21 10:58:00  batt
+ *#* Use timer_clock() instead of obsolete timer_ticks().
+ *#*
  *#* Revision 1.27  2006/07/19 12:56:26  bernie
  *#* Convert to new Doxygen style.
  *#*
@@ -104,6 +156,23 @@
 
 /** \name Serial Error/status flags. */
 /*\{*/
+#if CPU_ARM
+	typedef uint32_t serstatus_t;
+
+	/* Software errors */
+	#define SERRF_RXFIFOOVERRUN  BV(0)  /**< Rx FIFO buffer overrun */
+	#define SERRF_RXTIMEOUT      BV(1)  /**< Receive timeout */
+	#define SERRF_TXTIMEOUT      BV(2)  /**< Transmit timeout */
+
+	/*
+	 * Hardware errors.
+	 * These flags map directly to the ARM USART Channel Status Register (US_CSR).
+	 */
+	#define SERRF_RXSROVERRUN    BV(5)  /**< Rx shift register overrun */
+	#define SERRF_FRAMEERROR     BV(6)  /**< Stop bit missing */
+	#define SERRF_PARITYERROR    BV(7)  /**< Parity error */
+	#define SERRF_NOISEERROR     0      /**< Unsupported */
+
 #if CPU_AVR
 	typedef uint8_t serstatus_t;
 
@@ -155,7 +224,10 @@
 #endif
 /*\}*/
 
-/** Mask to group all RX errors. */
+/**
+ * \name Masks to group TX/RX errors.
+ * \{
+ */
 #define SERRF_RX \
 	( SERRF_RXFIFOOVERRUN \
 	| SERRF_RXTIMEOUT \
@@ -163,10 +235,16 @@
 	| SERRF_PARITYERROR \
 	| SERRF_FRAMEERROR \
 	| SERRF_NOISEERROR)
-
-/** Mask to group all TX errors. */
 #define SERRF_TX  (SERRF_TXTIMEOUT)
+/*\}*/
 
+/**
+ * \name LSB or MSB first data order, used with SPI AVR serial
+ * \{
+ */
+#define SER_MSB_FIRST 0
+#define SER_LSB_FIRST 1
+/*\}*/
 
 /**
  * \name Parity settings for ser_setparity().
@@ -174,8 +252,8 @@
  * \note Values are AVR-specific for performance reasons.
  *       Other processors should either decode them or
  *       redefine these macros.
+ * \{
  */
-/*\{*/
 #define SER_PARITY_NONE  0
 #define SER_PARITY_EVEN  2
 #define SER_PARITY_ODD   3
@@ -188,7 +266,11 @@
  */
 enum
 {
-#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128
+#if CPU_ARM_AT91
+	SER_UART0,
+	SER_UART1,
+	SER_SPI,
+#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
 	SER_UART0,
 	SER_UART1,
 	SER_SPI,
@@ -238,14 +320,14 @@ typedef struct Serial
 	/* \} */
 
 #if CONFIG_SER_RXTIMEOUT != -1
-	mtime_t rxtimeout;
+	ticks_t rxtimeout;
 #endif
 #if CONFIG_SER_TXTIMEOUT != -1
-	mtime_t txtimeout;
+	ticks_t txtimeout;
 #endif
 
 	/** Holds the flags defined above.  Will be 0 when no errors have occurred. */
-	serstatus_t status;
+	volatile serstatus_t status;
 
 	/** Low-level interface to hardware. */
 	struct SerialHardware* hw;
@@ -283,6 +365,7 @@ extern void ser_close(struct Serial *port);
  */
 #define ser_getstatus(h)    ((h)->status)
 #define ser_setstatus(h, x) ((h)->status = (x))
+#define ser_clearstatus(h)  ser_setstatus(h, 0)
 /* \} */
 
 #endif /* DRV_SER_H */