Diff: USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/rza_io_regrw.c

Revision:

35:a8484e16c2f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/rza_io_regrw.c	Thu Nov 06 11:01:12 2014 +0000
@@ -0,0 +1,200 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
+*******************************************************************************/
+/*******************************************************************************
+* File Name   : rza_io_regrw.c
+* $Rev: 1121 $
+* $Date:: 2014-08-06 17:09:53 +0900#$
+* Description : Low level register read/write
+*******************************************************************************/
+
+/******************************************************************************
+Includes   <System Includes> , "Project Includes"
+******************************************************************************/
+#include "r_typedefs.h"
+
+#ifdef __CC_ARM
+#pragma arm section code   = "CODE_IO_REGRW"
+#pragma arm section rodata = "CONST_IO_REGRW"
+#pragma arm section rwdata = "DATA_IO_REGRW"
+#pragma arm section zidata = "BSS_IO_REGRW"
+#endif
+
+/******************************************************************************
+Typedef definitions
+******************************************************************************/
+
+
+/******************************************************************************
+Macro definitions
+******************************************************************************/
+
+
+/******************************************************************************
+Imported global variables and functions (from other files)
+******************************************************************************/
+
+
+/******************************************************************************
+Exported global variables and functions (to be accessed by other files)
+******************************************************************************/
+
+
+/******************************************************************************
+Private global variables and functions
+******************************************************************************/
+
+
+/******************************************************************************
+* Function Name: RZA_IO_RegWrite_8
+* Description  : IO register 8-bit write
+* Arguments    : volatile uint8_t * ioreg : IO register for writing
+*              :                          : Use register definition name of the
+*              :                          : iodefine.h
+*              : uint8_t write_value      : Write value for the IO register
+*              : uint8_t shift            : The number of left shifts to the 
+*              :                          : target bit
+*              : uint8_t mask             : Mask value for the IO register
+*              :                          : (Target bit : "1")
+* Return Value : None
+******************************************************************************/
+void RZA_IO_RegWrite_8(volatile uint8_t * ioreg, uint8_t write_value, uint8_t shift, uint8_t mask)
+{
+    uint8_t reg_value;
+
+    reg_value = *ioreg;                                         /* Read from register */
+    reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value       */
+    *ioreg    = reg_value;                                      /* Write to register  */
+}
+
+/******************************************************************************
+* Function Name: RZA_IO_RegWrite_16
+* Description  : IO register 16-bit write
+* Arguments    : volatile uint16_t * ioreg : IO register for writing
+*              :                           : Use register definition name of the
+*              :                           : iodefine.h
+*              : uint16_t write_value      : Write value for the IO register
+*              : uint16_t shift            : The number of left shifts to the 
+*              :                           : target bit
+*              : uint16_t mask             : Mask value for the IO register
+*              :                           : (Target bit : "1")
+* Return Value : None
+******************************************************************************/
+void RZA_IO_RegWrite_16(volatile uint16_t * ioreg, uint16_t write_value, uint16_t shift, uint16_t mask)
+{
+    uint16_t reg_value;
+
+    reg_value = *ioreg;                                         /* Read from register */
+    reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value       */
+    *ioreg    = reg_value;                                      /* Write to register  */
+}
+
+/******************************************************************************
+* Function Name: RZA_IO_RegWrite_32
+* Description  : IO register 32-bit write
+* Arguments    : volatile uint32_t * ioreg : IO register for writing
+*              :                           : Use register definition name of the
+*              :                           : iodefine.h
+*              : uint32_t write_value      : Write value for the IO register
+*              : uint32_t shift            : The number of left shifts to the 
+*              :                           : target bit
+*              : uint32_t mask             : Mask value for the IO register
+*              :                           : (Target bit : "1")
+* Return Value : None
+******************************************************************************/
+void RZA_IO_RegWrite_32(volatile uint32_t * ioreg, uint32_t write_value, uint32_t shift, uint32_t mask)
+{
+    uint32_t reg_value;
+
+    reg_value = *ioreg;                                         /* Read from register */
+    reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value       */
+    *ioreg    = reg_value;                                      /* Write to register  */
+}
+
+/******************************************************************************
+* Function Name: RZA_IO_RegRead_8
+* Description  : IO register 8-bit read
+* Arguments    : volatile uint8_t * ioreg : IO register for reading
+*              :                          : Use register definition name of the 
+*              :                          : iodefine.h
+*              : uint8_t shift            : The number of right shifts to the 
+*              :                          : target bit
+*              : uint8_t mask             : Mask bit for the IO register
+*              :                          : (Target bit: "1")
+* Return Value : uint8_t : Value of the obtained target bit
+******************************************************************************/
+uint8_t RZA_IO_RegRead_8(volatile uint8_t * ioreg, uint8_t shift, uint8_t mask)
+{
+    uint8_t reg_value;
+
+    reg_value = *ioreg;                         /* Read from register            */
+    reg_value = (reg_value & mask) >> shift;    /* Clear other bit and Bit shift */
+
+    return reg_value;
+}
+
+/******************************************************************************
+* Function Name: RZA_IO_RegRead_16
+* Description  : IO register 16-bit read
+* Arguments    : volatile uint16_t * ioreg : IO register for reading
+*              :                           : Use register definition name of the 
+*              :                           : iodefine.h
+*              : uint16_t shift            : The number of right shifts to the 
+*              :                           : target bit
+*              : uint16_t mask             : Mask bit for the IO register
+*              :                           : (Target bit: "1")
+* Return Value : uint16_t : Value of the obtained target bit
+******************************************************************************/
+uint16_t RZA_IO_RegRead_16(volatile uint16_t * ioreg, uint16_t shift, uint16_t mask)
+{
+    uint16_t reg_value;
+
+    reg_value = *ioreg;                         /* Read from register            */
+    reg_value = (reg_value & mask) >> shift;    /* Clear other bit and Bit shift */
+
+    return reg_value;
+}
+
+/******************************************************************************
+* Function Name: RZA_IO_RegRead_32
+* Description  : IO register 32-bit read
+* Arguments    : volatile uint32_t * ioreg : IO register for reading
+*              :                           : Use register definition name of the 
+*              :                           : iodefine.h
+*              : uint32_t shift            : The number of right shifts to the 
+*              :                           : target bit
+*              : uint32_t mask             : Mask bit for the IO register
+*              :                           : (Target bit: "1")
+* Return Value : uint32_t : Value of the obtained target bit
+******************************************************************************/
+uint32_t RZA_IO_RegRead_32(volatile uint32_t * ioreg, uint32_t shift, uint32_t mask)
+{
+    uint32_t reg_value;
+
+    reg_value = *ioreg;                         /* Read from register            */
+    reg_value = (reg_value & mask) >> shift;    /* Clear other bit and Bit shift */
+
+    return reg_value;
+}
+
+
+/* End of File */