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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/rza_io_regrw.c@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Parent:
448:f58c94c7c4b6 
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 448:f58c94c7c4b6 1 /*******************************************************************************
mbed_official 448:f58c94c7c4b6 2 * DISCLAIMER
mbed_official 448:f58c94c7c4b6 3 * This software is supplied by Renesas Electronics Corporation and is only
mbed_official 448:f58c94c7c4b6 4 * intended for use with Renesas products. No other uses are authorized. This
mbed_official 448:f58c94c7c4b6 5 * software is owned by Renesas Electronics Corporation and is protected under
mbed_official 448:f58c94c7c4b6 6 * all applicable laws, including copyright laws.
mbed_official 448:f58c94c7c4b6 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
mbed_official 448:f58c94c7c4b6 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
mbed_official 448:f58c94c7c4b6 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
mbed_official 448:f58c94c7c4b6 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
mbed_official 448:f58c94c7c4b6 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
mbed_official 448:f58c94c7c4b6 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
mbed_official 448:f58c94c7c4b6 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
mbed_official 448:f58c94c7c4b6 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
mbed_official 448:f58c94c7c4b6 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
mbed_official 448:f58c94c7c4b6 16 * Renesas reserves the right, without notice, to make changes to this software
mbed_official 448:f58c94c7c4b6 17 * and to discontinue the availability of this software. By using this software,
mbed_official 448:f58c94c7c4b6 18 * you agree to the additional terms and conditions found by accessing the
mbed_official 448:f58c94c7c4b6 19 * following link:
mbed_official 448:f58c94c7c4b6 20 * http://www.renesas.com/disclaimer
mbed_official 448:f58c94c7c4b6 21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
mbed_official 448:f58c94c7c4b6 22 *******************************************************************************/
mbed_official 448:f58c94c7c4b6 23 /*******************************************************************************
mbed_official 448:f58c94c7c4b6 24 * File Name : rza_io_regrw.c
mbed_official 448:f58c94c7c4b6 25 * $Rev: 1121 $
mbed_official 448:f58c94c7c4b6 26 * $Date:: 2014-08-06 17:09:53 +0900#$
mbed_official 448:f58c94c7c4b6 27 * Description : Low level register read/write
mbed_official 448:f58c94c7c4b6 28 *******************************************************************************/
mbed_official 448:f58c94c7c4b6 29
mbed_official 448:f58c94c7c4b6 30 /******************************************************************************
mbed_official 448:f58c94c7c4b6 31 Includes <System Includes> , "Project Includes"
mbed_official 448:f58c94c7c4b6 32 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 33 #include "r_typedefs.h"
mbed_official 448:f58c94c7c4b6 34
mbed_official 448:f58c94c7c4b6 35 #ifdef __CC_ARM
mbed_official 448:f58c94c7c4b6 36 #pragma arm section code = "CODE_IO_REGRW"
mbed_official 448:f58c94c7c4b6 37 #pragma arm section rodata = "CONST_IO_REGRW"
mbed_official 448:f58c94c7c4b6 38 #pragma arm section rwdata = "DATA_IO_REGRW"
mbed_official 448:f58c94c7c4b6 39 #pragma arm section zidata = "BSS_IO_REGRW"
mbed_official 448:f58c94c7c4b6 40 #endif
mbed_official 448:f58c94c7c4b6 41
mbed_official 448:f58c94c7c4b6 42 /******************************************************************************
mbed_official 448:f58c94c7c4b6 43 Typedef definitions
mbed_official 448:f58c94c7c4b6 44 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 45
mbed_official 448:f58c94c7c4b6 46
mbed_official 448:f58c94c7c4b6 47 /******************************************************************************
mbed_official 448:f58c94c7c4b6 48 Macro definitions
mbed_official 448:f58c94c7c4b6 49 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 50
mbed_official 448:f58c94c7c4b6 51
mbed_official 448:f58c94c7c4b6 52 /******************************************************************************
mbed_official 448:f58c94c7c4b6 53 Imported global variables and functions (from other files)
mbed_official 448:f58c94c7c4b6 54 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 55
mbed_official 448:f58c94c7c4b6 56
mbed_official 448:f58c94c7c4b6 57 /******************************************************************************
mbed_official 448:f58c94c7c4b6 58 Exported global variables and functions (to be accessed by other files)
mbed_official 448:f58c94c7c4b6 59 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 60
mbed_official 448:f58c94c7c4b6 61
mbed_official 448:f58c94c7c4b6 62 /******************************************************************************
mbed_official 448:f58c94c7c4b6 63 Private global variables and functions
mbed_official 448:f58c94c7c4b6 64 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 65
mbed_official 448:f58c94c7c4b6 66
mbed_official 448:f58c94c7c4b6 67 /******************************************************************************
mbed_official 448:f58c94c7c4b6 68 * Function Name: RZA_IO_RegWrite_8
mbed_official 448:f58c94c7c4b6 69 * Description : IO register 8-bit write
mbed_official 448:f58c94c7c4b6 70 * Arguments : volatile uint8_t * ioreg : IO register for writing
mbed_official 448:f58c94c7c4b6 71 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 72 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 73 * : uint8_t write_value : Write value for the IO register
mbed_official 448:f58c94c7c4b6 74 * : uint8_t shift : The number of left shifts to the
mbed_official 448:f58c94c7c4b6 75 * : : target bit
mbed_official 448:f58c94c7c4b6 76 * : uint8_t mask : Mask value for the IO register
mbed_official 448:f58c94c7c4b6 77 * : : (Target bit : "1")
mbed_official 448:f58c94c7c4b6 78 * Return Value : None
mbed_official 448:f58c94c7c4b6 79 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 80 void RZA_IO_RegWrite_8(volatile uint8_t * ioreg, uint8_t write_value, uint8_t shift, uint8_t mask)
mbed_official 448:f58c94c7c4b6 81 {
mbed_official 448:f58c94c7c4b6 82 uint8_t reg_value;
mbed_official 448:f58c94c7c4b6 83
mbed_official 448:f58c94c7c4b6 84 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 85 reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */
mbed_official 448:f58c94c7c4b6 86 *ioreg = reg_value; /* Write to register */
mbed_official 448:f58c94c7c4b6 87 }
mbed_official 448:f58c94c7c4b6 88
mbed_official 448:f58c94c7c4b6 89 /******************************************************************************
mbed_official 448:f58c94c7c4b6 90 * Function Name: RZA_IO_RegWrite_16
mbed_official 448:f58c94c7c4b6 91 * Description : IO register 16-bit write
mbed_official 448:f58c94c7c4b6 92 * Arguments : volatile uint16_t * ioreg : IO register for writing
mbed_official 448:f58c94c7c4b6 93 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 94 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 95 * : uint16_t write_value : Write value for the IO register
mbed_official 448:f58c94c7c4b6 96 * : uint16_t shift : The number of left shifts to the
mbed_official 448:f58c94c7c4b6 97 * : : target bit
mbed_official 448:f58c94c7c4b6 98 * : uint16_t mask : Mask value for the IO register
mbed_official 448:f58c94c7c4b6 99 * : : (Target bit : "1")
mbed_official 448:f58c94c7c4b6 100 * Return Value : None
mbed_official 448:f58c94c7c4b6 101 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 102 void RZA_IO_RegWrite_16(volatile uint16_t * ioreg, uint16_t write_value, uint16_t shift, uint16_t mask)
mbed_official 448:f58c94c7c4b6 103 {
mbed_official 448:f58c94c7c4b6 104 uint16_t reg_value;
mbed_official 448:f58c94c7c4b6 105
mbed_official 448:f58c94c7c4b6 106 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 107 reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */
mbed_official 448:f58c94c7c4b6 108 *ioreg = reg_value; /* Write to register */
mbed_official 448:f58c94c7c4b6 109 }
mbed_official 448:f58c94c7c4b6 110
mbed_official 448:f58c94c7c4b6 111 /******************************************************************************
mbed_official 448:f58c94c7c4b6 112 * Function Name: RZA_IO_RegWrite_32
mbed_official 448:f58c94c7c4b6 113 * Description : IO register 32-bit write
mbed_official 448:f58c94c7c4b6 114 * Arguments : volatile uint32_t * ioreg : IO register for writing
mbed_official 448:f58c94c7c4b6 115 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 116 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 117 * : uint32_t write_value : Write value for the IO register
mbed_official 448:f58c94c7c4b6 118 * : uint32_t shift : The number of left shifts to the
mbed_official 448:f58c94c7c4b6 119 * : : target bit
mbed_official 448:f58c94c7c4b6 120 * : uint32_t mask : Mask value for the IO register
mbed_official 448:f58c94c7c4b6 121 * : : (Target bit : "1")
mbed_official 448:f58c94c7c4b6 122 * Return Value : None
mbed_official 448:f58c94c7c4b6 123 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 124 void RZA_IO_RegWrite_32(volatile uint32_t * ioreg, uint32_t write_value, uint32_t shift, uint32_t mask)
mbed_official 448:f58c94c7c4b6 125 {
mbed_official 448:f58c94c7c4b6 126 uint32_t reg_value;
mbed_official 448:f58c94c7c4b6 127
mbed_official 448:f58c94c7c4b6 128 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 129 reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */
mbed_official 448:f58c94c7c4b6 130 *ioreg = reg_value; /* Write to register */
mbed_official 448:f58c94c7c4b6 131 }
mbed_official 448:f58c94c7c4b6 132
mbed_official 448:f58c94c7c4b6 133 /******************************************************************************
mbed_official 448:f58c94c7c4b6 134 * Function Name: RZA_IO_RegRead_8
mbed_official 448:f58c94c7c4b6 135 * Description : IO register 8-bit read
mbed_official 448:f58c94c7c4b6 136 * Arguments : volatile uint8_t * ioreg : IO register for reading
mbed_official 448:f58c94c7c4b6 137 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 138 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 139 * : uint8_t shift : The number of right shifts to the
mbed_official 448:f58c94c7c4b6 140 * : : target bit
mbed_official 448:f58c94c7c4b6 141 * : uint8_t mask : Mask bit for the IO register
mbed_official 448:f58c94c7c4b6 142 * : : (Target bit: "1")
mbed_official 448:f58c94c7c4b6 143 * Return Value : uint8_t : Value of the obtained target bit
mbed_official 448:f58c94c7c4b6 144 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 145 uint8_t RZA_IO_RegRead_8(volatile uint8_t * ioreg, uint8_t shift, uint8_t mask)
mbed_official 448:f58c94c7c4b6 146 {
mbed_official 448:f58c94c7c4b6 147 uint8_t reg_value;
mbed_official 448:f58c94c7c4b6 148
mbed_official 448:f58c94c7c4b6 149 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 150 reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */
mbed_official 448:f58c94c7c4b6 151
mbed_official 448:f58c94c7c4b6 152 return reg_value;
mbed_official 448:f58c94c7c4b6 153 }
mbed_official 448:f58c94c7c4b6 154
mbed_official 448:f58c94c7c4b6 155 /******************************************************************************
mbed_official 448:f58c94c7c4b6 156 * Function Name: RZA_IO_RegRead_16
mbed_official 448:f58c94c7c4b6 157 * Description : IO register 16-bit read
mbed_official 448:f58c94c7c4b6 158 * Arguments : volatile uint16_t * ioreg : IO register for reading
mbed_official 448:f58c94c7c4b6 159 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 160 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 161 * : uint16_t shift : The number of right shifts to the
mbed_official 448:f58c94c7c4b6 162 * : : target bit
mbed_official 448:f58c94c7c4b6 163 * : uint16_t mask : Mask bit for the IO register
mbed_official 448:f58c94c7c4b6 164 * : : (Target bit: "1")
mbed_official 448:f58c94c7c4b6 165 * Return Value : uint16_t : Value of the obtained target bit
mbed_official 448:f58c94c7c4b6 166 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 167 uint16_t RZA_IO_RegRead_16(volatile uint16_t * ioreg, uint16_t shift, uint16_t mask)
mbed_official 448:f58c94c7c4b6 168 {
mbed_official 448:f58c94c7c4b6 169 uint16_t reg_value;
mbed_official 448:f58c94c7c4b6 170
mbed_official 448:f58c94c7c4b6 171 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 172 reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */
mbed_official 448:f58c94c7c4b6 173
mbed_official 448:f58c94c7c4b6 174 return reg_value;
mbed_official 448:f58c94c7c4b6 175 }
mbed_official 448:f58c94c7c4b6 176
mbed_official 448:f58c94c7c4b6 177 /******************************************************************************
mbed_official 448:f58c94c7c4b6 178 * Function Name: RZA_IO_RegRead_32
mbed_official 448:f58c94c7c4b6 179 * Description : IO register 32-bit read
mbed_official 448:f58c94c7c4b6 180 * Arguments : volatile uint32_t * ioreg : IO register for reading
mbed_official 448:f58c94c7c4b6 181 * : : Use register definition name of the
mbed_official 448:f58c94c7c4b6 182 * : : iodefine.h
mbed_official 448:f58c94c7c4b6 183 * : uint32_t shift : The number of right shifts to the
mbed_official 448:f58c94c7c4b6 184 * : : target bit
mbed_official 448:f58c94c7c4b6 185 * : uint32_t mask : Mask bit for the IO register
mbed_official 448:f58c94c7c4b6 186 * : : (Target bit: "1")
mbed_official 448:f58c94c7c4b6 187 * Return Value : uint32_t : Value of the obtained target bit
mbed_official 448:f58c94c7c4b6 188 ******************************************************************************/
mbed_official 448:f58c94c7c4b6 189 uint32_t RZA_IO_RegRead_32(volatile uint32_t * ioreg, uint32_t shift, uint32_t mask)
mbed_official 448:f58c94c7c4b6 190 {
mbed_official 448:f58c94c7c4b6 191 uint32_t reg_value;
mbed_official 448:f58c94c7c4b6 192
mbed_official 448:f58c94c7c4b6 193 reg_value = *ioreg; /* Read from register */
mbed_official 448:f58c94c7c4b6 194 reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */
mbed_official 448:f58c94c7c4b6 195
mbed_official 448:f58c94c7c4b6 196 return reg_value;
mbed_official 448:f58c94c7c4b6 197 }
mbed_official 448:f58c94c7c4b6 198
mbed_official 448:f58c94c7c4b6 199
mbed_official 448:f58c94c7c4b6 200 /* End of File */