openblt/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_K.../Boot/Libraries/XMCLib/src/xmc_gpio.c

82 lines
4.3 KiB
C

/**
* @file xmc_gpio.c
* @date 2015-06-20
*
* @cond
*********************************************************************************************************************
* XMClib v2.1.12 - XMC Peripheral Driver Library
*
* Copyright (c) 2015-2017, Infineon Technologies AG
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with
* Infineon Technologies AG dave@infineon.com).
*********************************************************************************************************************
*
* Change History
* --------------
*
* 2015-02-20:
* - Initial draft <br>
*
* 2015-06-20:
* - Removed version macros and declaration of GetDriverVersion API
*
* @endcond
*
*/
/*******************************************************************************
* HEADER FILES
*******************************************************************************/
#include <xmc_gpio.h>
/*******************************************************************************
* MACROS
*******************************************************************************/
#define PORT_HWSEL_Msk PORT0_HWSEL_HW0_Msk
/*******************************************************************************
* API IMPLEMENTATION
*******************************************************************************/
void XMC_GPIO_SetMode(XMC_GPIO_PORT_t *const port, const uint8_t pin, const XMC_GPIO_MODE_t mode)
{
XMC_ASSERT("XMC_GPIO_SetMode: Invalid port", XMC_GPIO_CHECK_PORT(port));
XMC_ASSERT("XMC_GPIO_SetMode: Invalid mode", XMC_GPIO_IsModeValid(mode));
port->IOCR[(uint32_t)pin >> 2U] &= ~(uint32_t)((uint32_t)PORT_IOCR_PC_Msk << ((uint32_t)PORT_IOCR_PC_Size * ((uint32_t)pin & 0x3U)));
port->IOCR[(uint32_t)pin >> 2U] |= (uint32_t)mode << ((uint32_t)PORT_IOCR_PC_Size * ((uint32_t)pin & 0x3U));
}
void XMC_GPIO_SetHardwareControl(XMC_GPIO_PORT_t *const port, const uint8_t pin, const XMC_GPIO_HWCTRL_t hwctrl)
{
XMC_ASSERT("XMC_GPIO_SetHardwareControl: Invalid port", XMC_GPIO_CHECK_PORT(port));
XMC_ASSERT("XMC_GPIO_SetHardwareControl: Invalid hwctrl", XMC_GPIO_CHECK_HWCTRL(hwctrl));
port->HWSEL &= ~(uint32_t)((uint32_t)PORT_HWSEL_Msk << ((uint32_t)pin << 1U));
port->HWSEL |= (uint32_t)hwctrl << ((uint32_t)pin << 1U);
}