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