51 lines
2.4 KiB
C
51 lines
2.4 KiB
C
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/******************************************************************************************************************************************
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* 文件名称: SWM341_port.c
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* 功能说明: SWM341单片机的端口引脚功能选择库函数
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* 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
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* 注意事项:
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* 版本日期: V1.0.0 2016年1月30日
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* 升级记录:
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*
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*
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*******************************************************************************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
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* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
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* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
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* -ECTION WITH THEIR PRODUCTS.
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*
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* COPYRIGHT 2012 Synwit Technology
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*******************************************************************************************************************************************/
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#include "SWM341.h"
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#include "SWM341_port.h"
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/******************************************************************************************************************************************
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* 函数名称: PORT_Init()
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* 功能说明: 端口引脚功能选择
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* 输 入: PORT_TypeDef * PORTx 指定PORT端口，有效值包括PORTA、PORTB、PORTC、PORTD、PORTE、PORTM、PORTN
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* uint32_t n 指定PORT引脚，有效值包括PIN0、PIN1、PIN2、... ... PIN14、PIN15
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* uint32_t func 指定端口引脚要设定的功能，其可取值见"SWM201_port.h"文件
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* uint32_t digit_in_en 数字输入使能
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void PORT_Init(PORT_TypeDef * PORTx, uint32_t n, uint32_t func, uint32_t digit_in_en)
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{
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if(n < PIN8)
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{
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PORTx->FUNC0 &= ~(0x0F << (n*4));
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PORTx->FUNC0 |= (func << (n*4));
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}
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else
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{
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PORTx->FUNC1 &= ~(0x0F << ((n-8)*4));
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PORTx->FUNC1 |= (func << ((n-8)*4));
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}
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if(digit_in_en) PORTx->INEN |= (1 << n);
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else PORTx->INEN &= ~(1 << n);
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}
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