USB device stack
Dependents: mbed-mX-USB-TEST1 USBMSD_SD_HID_HelloWorld HidTest MIDI_usb_bridge ... more
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Diff: USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/rza_io_regrw.c
- Revision:
- 35:a8484e16c2f3
diff -r a4e9ddc2e2af -r a8484e16c2f3 USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/rza_io_regrw.c --- /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 */