stm32f3: Crc support added.

include/libopencm3/stm32/crc.h

@@ -21,6 +21,8 @@
 #       include <libopencm3/stm32/f1/crc.h>
 #elif defined(STM32F2)
 #       include <libopencm3/stm32/f2/crc.h>
+#elif defined(STM32F3)
+#       include <libopencm3/stm32/f3/crc.h>
 #elif defined(STM32F4)
 #       include <libopencm3/stm32/f4/crc.h>
 #elif defined(STM32L1)

include/libopencm3/stm32/f3/crc.h

@@ -0,0 +1,72 @@
+/** @defgroup crc_defines CRC Defines
+
+@brief <b>libopencm3 Defined Constants and Types for the STM32F3xx CRC
+Generator </b>
+
+@ingroup STM32F3xx_defines
+
+@version 1.0.0
+
+@date 18 August 2012
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_CRC_H
+#define LIBOPENCM3_CRC_H
+
+#include <libopencm3/stm32/memorymap.h>
+#include <libopencm3/stm32/common/crc_common_all.h>
+
+/* --- CRC registers ------------------------------------------------------- */ 
+
+/* Initial CRC value (CRC_INIT) */
+#define CRC_INIT			MMIO32(CRC_BASE + 0x10)
+
+/* CRC polynomial (CRC_POL) */
+#define CRC_POL				MMIO32(CRC_BASE + 0x14)
+
+/* --- CRC_CR values ------------------------------------------------------- */
+
+/* REV_OUT: Reverse output data */
+#define CRC_CR_REV_OUT			(1 << 7)
+
+/* REV_IN[1:0]: Reverse input data */
+#define CRC_CR_REV_IN_NOT_AFFECTED	(0x0 << 5)
+#define CRC_CR_REV_IN_BYTE		(0x1 << 5)
+#define CRC_CR_REV_IN_HALF_WORD		(0x2 << 5)
+#define CRC_CR_REV_IN_WORD		(0x3 << 5)
+
+/* POLYSIZE[1:0]: Polynomial size */
+#define CRC_CR_POLYSIZE_32		(0x0 << 3)
+#define CRC_CR_POLYSIZE_16		(0x1 << 3)
+#define CRC_CR_POLYSIZE_8		(0x2 << 3)
+#define CRC_CR_POLYSIZE_7		(0x3 << 3)
+
+/* --- CRC_INIT values ------------------------------------------------------- */
+
+/* Bits 31:0 CRC_INIT: Programmable initial CRC value */
+
+/* --- CRC_POL values ------------------------------------------------------- */
+
+/* Bits 31:0 POL[31:0]: Programmable polynomial */
+
+#endif

lib/stm32/f3/Makefile

@@ -37,7 +37,8 @@ ARFLAGS		= rcs
 OBJS		= rcc.o gpio.o flash.o adc.o exti2.o
 
 OBJS            += gpio_common_all.o gpio_common_f234.o i2c_common_all.o\
-		   dac_common_all.o usart_common_all.o
+		   dac_common_all.o usart_common_all.o crc_common_all.o
+
 
 VPATH += ../../usb:../:../../cm3:../common
 

lib/stm32/f3/crc.c

@@ -0,0 +1,34 @@
+/** @defgroup crc_file CRC
+
+@ingroup STM32F3xx
+
+@brief <b>libopencm3 STM32F3xx CRC</b>
+
+@version 1.0.0
+
+@date 15 October 2012
+
+LGPL License Terms @ref lgpl_license
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/crc.h>
+#include <libopencm3/stm32/common/crc_common_all.h>
+
+