Fork of the official USBDevice library
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USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/rza_io_regrw.c@35:a8484e16c2f3, 2014-11-06 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Nov 06 11:01:12 2014 +0000
- Revision:
- 35:a8484e16c2f3
Synchronized with git revision 8724eb616b6e07a3bd111d3022652eb5bbefe9b7
Full URL: https://github.com/mbedmicro/mbed/commit/8724eb616b6e07a3bd111d3022652eb5bbefe9b7/
[RZ/A1H] mbed-RZ first release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 35:a8484e16c2f3 | 1 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 2 | * DISCLAIMER |
mbed_official | 35:a8484e16c2f3 | 3 | * This software is supplied by Renesas Electronics Corporation and is only |
mbed_official | 35:a8484e16c2f3 | 4 | * intended for use with Renesas products. No other uses are authorized. This |
mbed_official | 35:a8484e16c2f3 | 5 | * software is owned by Renesas Electronics Corporation and is protected under |
mbed_official | 35:a8484e16c2f3 | 6 | * all applicable laws, including copyright laws. |
mbed_official | 35:a8484e16c2f3 | 7 | * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING |
mbed_official | 35:a8484e16c2f3 | 8 | * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT |
mbed_official | 35:a8484e16c2f3 | 9 | * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
mbed_official | 35:a8484e16c2f3 | 10 | * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. |
mbed_official | 35:a8484e16c2f3 | 11 | * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS |
mbed_official | 35:a8484e16c2f3 | 12 | * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE |
mbed_official | 35:a8484e16c2f3 | 13 | * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR |
mbed_official | 35:a8484e16c2f3 | 14 | * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE |
mbed_official | 35:a8484e16c2f3 | 15 | * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
mbed_official | 35:a8484e16c2f3 | 16 | * Renesas reserves the right, without notice, to make changes to this software |
mbed_official | 35:a8484e16c2f3 | 17 | * and to discontinue the availability of this software. By using this software, |
mbed_official | 35:a8484e16c2f3 | 18 | * you agree to the additional terms and conditions found by accessing the |
mbed_official | 35:a8484e16c2f3 | 19 | * following link: |
mbed_official | 35:a8484e16c2f3 | 20 | * http://www.renesas.com/disclaimer |
mbed_official | 35:a8484e16c2f3 | 21 | * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved. |
mbed_official | 35:a8484e16c2f3 | 22 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 23 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 24 | * File Name : rza_io_regrw.c |
mbed_official | 35:a8484e16c2f3 | 25 | * $Rev: 1121 $ |
mbed_official | 35:a8484e16c2f3 | 26 | * $Date:: 2014-08-06 17:09:53 +0900#$ |
mbed_official | 35:a8484e16c2f3 | 27 | * Description : Low level register read/write |
mbed_official | 35:a8484e16c2f3 | 28 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 29 | |
mbed_official | 35:a8484e16c2f3 | 30 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 31 | Includes <System Includes> , "Project Includes" |
mbed_official | 35:a8484e16c2f3 | 32 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 33 | #include "r_typedefs.h" |
mbed_official | 35:a8484e16c2f3 | 34 | |
mbed_official | 35:a8484e16c2f3 | 35 | #ifdef __CC_ARM |
mbed_official | 35:a8484e16c2f3 | 36 | #pragma arm section code = "CODE_IO_REGRW" |
mbed_official | 35:a8484e16c2f3 | 37 | #pragma arm section rodata = "CONST_IO_REGRW" |
mbed_official | 35:a8484e16c2f3 | 38 | #pragma arm section rwdata = "DATA_IO_REGRW" |
mbed_official | 35:a8484e16c2f3 | 39 | #pragma arm section zidata = "BSS_IO_REGRW" |
mbed_official | 35:a8484e16c2f3 | 40 | #endif |
mbed_official | 35:a8484e16c2f3 | 41 | |
mbed_official | 35:a8484e16c2f3 | 42 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 43 | Typedef definitions |
mbed_official | 35:a8484e16c2f3 | 44 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 45 | |
mbed_official | 35:a8484e16c2f3 | 46 | |
mbed_official | 35:a8484e16c2f3 | 47 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 48 | Macro definitions |
mbed_official | 35:a8484e16c2f3 | 49 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 50 | |
mbed_official | 35:a8484e16c2f3 | 51 | |
mbed_official | 35:a8484e16c2f3 | 52 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 53 | Imported global variables and functions (from other files) |
mbed_official | 35:a8484e16c2f3 | 54 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 55 | |
mbed_official | 35:a8484e16c2f3 | 56 | |
mbed_official | 35:a8484e16c2f3 | 57 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 58 | Exported global variables and functions (to be accessed by other files) |
mbed_official | 35:a8484e16c2f3 | 59 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 60 | |
mbed_official | 35:a8484e16c2f3 | 61 | |
mbed_official | 35:a8484e16c2f3 | 62 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 63 | Private global variables and functions |
mbed_official | 35:a8484e16c2f3 | 64 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 65 | |
mbed_official | 35:a8484e16c2f3 | 66 | |
mbed_official | 35:a8484e16c2f3 | 67 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 68 | * Function Name: RZA_IO_RegWrite_8 |
mbed_official | 35:a8484e16c2f3 | 69 | * Description : IO register 8-bit write |
mbed_official | 35:a8484e16c2f3 | 70 | * Arguments : volatile uint8_t * ioreg : IO register for writing |
mbed_official | 35:a8484e16c2f3 | 71 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 72 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 73 | * : uint8_t write_value : Write value for the IO register |
mbed_official | 35:a8484e16c2f3 | 74 | * : uint8_t shift : The number of left shifts to the |
mbed_official | 35:a8484e16c2f3 | 75 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 76 | * : uint8_t mask : Mask value for the IO register |
mbed_official | 35:a8484e16c2f3 | 77 | * : : (Target bit : "1") |
mbed_official | 35:a8484e16c2f3 | 78 | * Return Value : None |
mbed_official | 35:a8484e16c2f3 | 79 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 80 | void RZA_IO_RegWrite_8(volatile uint8_t * ioreg, uint8_t write_value, uint8_t shift, uint8_t mask) |
mbed_official | 35:a8484e16c2f3 | 81 | { |
mbed_official | 35:a8484e16c2f3 | 82 | uint8_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 83 | |
mbed_official | 35:a8484e16c2f3 | 84 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 85 | reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */ |
mbed_official | 35:a8484e16c2f3 | 86 | *ioreg = reg_value; /* Write to register */ |
mbed_official | 35:a8484e16c2f3 | 87 | } |
mbed_official | 35:a8484e16c2f3 | 88 | |
mbed_official | 35:a8484e16c2f3 | 89 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 90 | * Function Name: RZA_IO_RegWrite_16 |
mbed_official | 35:a8484e16c2f3 | 91 | * Description : IO register 16-bit write |
mbed_official | 35:a8484e16c2f3 | 92 | * Arguments : volatile uint16_t * ioreg : IO register for writing |
mbed_official | 35:a8484e16c2f3 | 93 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 94 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 95 | * : uint16_t write_value : Write value for the IO register |
mbed_official | 35:a8484e16c2f3 | 96 | * : uint16_t shift : The number of left shifts to the |
mbed_official | 35:a8484e16c2f3 | 97 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 98 | * : uint16_t mask : Mask value for the IO register |
mbed_official | 35:a8484e16c2f3 | 99 | * : : (Target bit : "1") |
mbed_official | 35:a8484e16c2f3 | 100 | * Return Value : None |
mbed_official | 35:a8484e16c2f3 | 101 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 102 | void RZA_IO_RegWrite_16(volatile uint16_t * ioreg, uint16_t write_value, uint16_t shift, uint16_t mask) |
mbed_official | 35:a8484e16c2f3 | 103 | { |
mbed_official | 35:a8484e16c2f3 | 104 | uint16_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 105 | |
mbed_official | 35:a8484e16c2f3 | 106 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 107 | reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */ |
mbed_official | 35:a8484e16c2f3 | 108 | *ioreg = reg_value; /* Write to register */ |
mbed_official | 35:a8484e16c2f3 | 109 | } |
mbed_official | 35:a8484e16c2f3 | 110 | |
mbed_official | 35:a8484e16c2f3 | 111 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 112 | * Function Name: RZA_IO_RegWrite_32 |
mbed_official | 35:a8484e16c2f3 | 113 | * Description : IO register 32-bit write |
mbed_official | 35:a8484e16c2f3 | 114 | * Arguments : volatile uint32_t * ioreg : IO register for writing |
mbed_official | 35:a8484e16c2f3 | 115 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 116 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 117 | * : uint32_t write_value : Write value for the IO register |
mbed_official | 35:a8484e16c2f3 | 118 | * : uint32_t shift : The number of left shifts to the |
mbed_official | 35:a8484e16c2f3 | 119 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 120 | * : uint32_t mask : Mask value for the IO register |
mbed_official | 35:a8484e16c2f3 | 121 | * : : (Target bit : "1") |
mbed_official | 35:a8484e16c2f3 | 122 | * Return Value : None |
mbed_official | 35:a8484e16c2f3 | 123 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 124 | void RZA_IO_RegWrite_32(volatile uint32_t * ioreg, uint32_t write_value, uint32_t shift, uint32_t mask) |
mbed_official | 35:a8484e16c2f3 | 125 | { |
mbed_official | 35:a8484e16c2f3 | 126 | uint32_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 127 | |
mbed_official | 35:a8484e16c2f3 | 128 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 129 | reg_value = (reg_value & (~mask)) | (write_value << shift); /* Modify value */ |
mbed_official | 35:a8484e16c2f3 | 130 | *ioreg = reg_value; /* Write to register */ |
mbed_official | 35:a8484e16c2f3 | 131 | } |
mbed_official | 35:a8484e16c2f3 | 132 | |
mbed_official | 35:a8484e16c2f3 | 133 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 134 | * Function Name: RZA_IO_RegRead_8 |
mbed_official | 35:a8484e16c2f3 | 135 | * Description : IO register 8-bit read |
mbed_official | 35:a8484e16c2f3 | 136 | * Arguments : volatile uint8_t * ioreg : IO register for reading |
mbed_official | 35:a8484e16c2f3 | 137 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 138 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 139 | * : uint8_t shift : The number of right shifts to the |
mbed_official | 35:a8484e16c2f3 | 140 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 141 | * : uint8_t mask : Mask bit for the IO register |
mbed_official | 35:a8484e16c2f3 | 142 | * : : (Target bit: "1") |
mbed_official | 35:a8484e16c2f3 | 143 | * Return Value : uint8_t : Value of the obtained target bit |
mbed_official | 35:a8484e16c2f3 | 144 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 145 | uint8_t RZA_IO_RegRead_8(volatile uint8_t * ioreg, uint8_t shift, uint8_t mask) |
mbed_official | 35:a8484e16c2f3 | 146 | { |
mbed_official | 35:a8484e16c2f3 | 147 | uint8_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 148 | |
mbed_official | 35:a8484e16c2f3 | 149 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 150 | reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */ |
mbed_official | 35:a8484e16c2f3 | 151 | |
mbed_official | 35:a8484e16c2f3 | 152 | return reg_value; |
mbed_official | 35:a8484e16c2f3 | 153 | } |
mbed_official | 35:a8484e16c2f3 | 154 | |
mbed_official | 35:a8484e16c2f3 | 155 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 156 | * Function Name: RZA_IO_RegRead_16 |
mbed_official | 35:a8484e16c2f3 | 157 | * Description : IO register 16-bit read |
mbed_official | 35:a8484e16c2f3 | 158 | * Arguments : volatile uint16_t * ioreg : IO register for reading |
mbed_official | 35:a8484e16c2f3 | 159 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 160 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 161 | * : uint16_t shift : The number of right shifts to the |
mbed_official | 35:a8484e16c2f3 | 162 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 163 | * : uint16_t mask : Mask bit for the IO register |
mbed_official | 35:a8484e16c2f3 | 164 | * : : (Target bit: "1") |
mbed_official | 35:a8484e16c2f3 | 165 | * Return Value : uint16_t : Value of the obtained target bit |
mbed_official | 35:a8484e16c2f3 | 166 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 167 | uint16_t RZA_IO_RegRead_16(volatile uint16_t * ioreg, uint16_t shift, uint16_t mask) |
mbed_official | 35:a8484e16c2f3 | 168 | { |
mbed_official | 35:a8484e16c2f3 | 169 | uint16_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 170 | |
mbed_official | 35:a8484e16c2f3 | 171 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 172 | reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */ |
mbed_official | 35:a8484e16c2f3 | 173 | |
mbed_official | 35:a8484e16c2f3 | 174 | return reg_value; |
mbed_official | 35:a8484e16c2f3 | 175 | } |
mbed_official | 35:a8484e16c2f3 | 176 | |
mbed_official | 35:a8484e16c2f3 | 177 | /****************************************************************************** |
mbed_official | 35:a8484e16c2f3 | 178 | * Function Name: RZA_IO_RegRead_32 |
mbed_official | 35:a8484e16c2f3 | 179 | * Description : IO register 32-bit read |
mbed_official | 35:a8484e16c2f3 | 180 | * Arguments : volatile uint32_t * ioreg : IO register for reading |
mbed_official | 35:a8484e16c2f3 | 181 | * : : Use register definition name of the |
mbed_official | 35:a8484e16c2f3 | 182 | * : : iodefine.h |
mbed_official | 35:a8484e16c2f3 | 183 | * : uint32_t shift : The number of right shifts to the |
mbed_official | 35:a8484e16c2f3 | 184 | * : : target bit |
mbed_official | 35:a8484e16c2f3 | 185 | * : uint32_t mask : Mask bit for the IO register |
mbed_official | 35:a8484e16c2f3 | 186 | * : : (Target bit: "1") |
mbed_official | 35:a8484e16c2f3 | 187 | * Return Value : uint32_t : Value of the obtained target bit |
mbed_official | 35:a8484e16c2f3 | 188 | ******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 189 | uint32_t RZA_IO_RegRead_32(volatile uint32_t * ioreg, uint32_t shift, uint32_t mask) |
mbed_official | 35:a8484e16c2f3 | 190 | { |
mbed_official | 35:a8484e16c2f3 | 191 | uint32_t reg_value; |
mbed_official | 35:a8484e16c2f3 | 192 | |
mbed_official | 35:a8484e16c2f3 | 193 | reg_value = *ioreg; /* Read from register */ |
mbed_official | 35:a8484e16c2f3 | 194 | reg_value = (reg_value & mask) >> shift; /* Clear other bit and Bit shift */ |
mbed_official | 35:a8484e16c2f3 | 195 | |
mbed_official | 35:a8484e16c2f3 | 196 | return reg_value; |
mbed_official | 35:a8484e16c2f3 | 197 | } |
mbed_official | 35:a8484e16c2f3 | 198 | |
mbed_official | 35:a8484e16c2f3 | 199 | |
mbed_official | 35:a8484e16c2f3 | 200 | /* End of File */ |