253 lines
8.7 KiB
C
253 lines
8.7 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : CH57x_gpio.c
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* Author : WCH
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* Version : V1.0
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* Date : 2018/12/15
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* Description
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*******************************************************************************/
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#include "CH57x_common.h"
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/*******************************************************************************
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* Function Name : GPIOA_ModeCfg
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* Description : GPIOA端口引脚模式配置
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* Input : pin: PA0-PA15
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GPIO_Pin_0 - GPIO_Pin_15
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mode:
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GPIO_ModeIN_Floating - 浮空输入
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GPIO_ModeIN_PU - 上拉输入
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GPIO_ModeIN_PD - 下拉输入
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GPIO_ModeOut_PP_5mA - 推挽输出最大5mA
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GPIO_ModeOut_PP_20mA - 推挽输出最大20mA
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* Return : None
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*******************************************************************************/
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void GPIOA_ModeCfg( UINT32 pin, GPIOModeTypeDef mode )
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{
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switch(mode)
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{
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case GPIO_ModeIN_Floating:
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R32_PA_PD_DRV &= ~pin;
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R32_PA_PU &= ~pin;
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R32_PA_DIR &= ~pin;
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break;
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case GPIO_ModeIN_PU:
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R32_PA_PD_DRV &= ~pin;
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R32_PA_PU |= pin;
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R32_PA_DIR &= ~pin;
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break;
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case GPIO_ModeIN_PD:
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R32_PA_PD_DRV |= pin;
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R32_PA_PU &= ~pin;
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R32_PA_DIR &= ~pin;
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break;
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case GPIO_ModeOut_PP_5mA:
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R32_PA_PD_DRV &= ~pin;
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R32_PA_DIR |= pin;
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break;
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case GPIO_ModeOut_PP_20mA:
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R32_PA_PD_DRV |= pin;
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R32_PA_DIR |= pin;
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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* Function Name : GPIOB_ModeCfg
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* Description : GPIOB端口引脚模式配置
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* Input : pin: PB0-PB23
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GPIO_Pin_0 - GPIO_Pin_23
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mode:
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GPIO_ModeIN_Floating - 浮空输入
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GPIO_ModeIN_PU - 上拉输入
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GPIO_ModeIN_PD - 下拉输入
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GPIO_ModeOut_PP_5mA - 推挽输出最大5mA
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GPIO_ModeOut_PP_20mA - 推挽输出最大20mA
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* Return : None
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*******************************************************************************/
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void GPIOB_ModeCfg( UINT32 pin, GPIOModeTypeDef mode )
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{
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switch(mode)
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{
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case GPIO_ModeIN_Floating:
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R32_PB_PD_DRV &= ~pin;
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R32_PB_PU &= ~pin;
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R32_PB_DIR &= ~pin;
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break;
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case GPIO_ModeIN_PU:
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R32_PB_PD_DRV &= ~pin;
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R32_PB_PU |= pin;
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R32_PB_DIR &= ~pin;
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break;
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case GPIO_ModeIN_PD:
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R32_PB_PD_DRV |= pin;
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R32_PB_PU &= ~pin;
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R32_PB_DIR &= ~pin;
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break;
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case GPIO_ModeOut_PP_5mA:
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R32_PB_PD_DRV &= ~pin;
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R32_PB_DIR |= pin;
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break;
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case GPIO_ModeOut_PP_20mA:
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R32_PB_PD_DRV |= pin;
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R32_PB_DIR |= pin;
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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* Function Name : GPIOA_ITModeCfg
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* Description : GPIOA引脚中断模式配置
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* Input : pin: PA0-PA15
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GPIO_Pin_0 - GPIO_Pin_15
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mode:
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GPIO_ITMode_LowLevel - 低电平触发
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GPIO_ITMode_HighLevel - 高电平触发
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GPIO_ITMode_FallEdge - 下降沿触发
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GPIO_ITMode_RiseEdge - 上升沿触发
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* Return : None
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*******************************************************************************/
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void GPIOA_ITModeCfg( UINT32 pin, GPIOITModeTpDef mode )
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{
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switch( mode )
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{
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case GPIO_ITMode_LowLevel: // 低电平触发
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R16_PA_INT_MODE &= ~pin;
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R32_PA_CLR |= pin;
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break;
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case GPIO_ITMode_HighLevel: // 高电平触发
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R16_PA_INT_MODE &= ~pin;
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R32_PA_OUT |= pin;
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break;
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case GPIO_ITMode_FallEdge: // 下降沿触发
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R16_PA_INT_MODE |= pin;
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R32_PA_CLR |= pin;
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break;
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case GPIO_ITMode_RiseEdge: // 上升沿触发
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R16_PA_INT_MODE |= pin;
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R32_PA_OUT |= pin;
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break;
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default :
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break;
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}
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R16_PA_INT_IF = pin;
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R16_PA_INT_EN |= pin;
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}
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/*******************************************************************************
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* Function Name : GPIOB_ITModeCfg
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* Description : GPIOB引脚中断模式配置
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* Input : pin: PB0-PB15
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GPIO_Pin_0 - GPIO_Pin_15
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mode:
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GPIO_ITMode_LowLevel - 低电平触发
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GPIO_ITMode_HighLevel - 高电平触发
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GPIO_ITMode_FallEdge - 下降沿触发
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GPIO_ITMode_RiseEdge - 上升沿触发
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* Return : None
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*******************************************************************************/
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void GPIOB_ITModeCfg( UINT32 pin, GPIOITModeTpDef mode )
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{
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switch( mode )
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{
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case GPIO_ITMode_LowLevel: // 低电平触发
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R16_PB_INT_MODE &= ~pin;
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R32_PB_CLR |= pin;
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break;
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case GPIO_ITMode_HighLevel: // 高电平触发
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R16_PB_INT_MODE &= ~pin;
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R32_PB_OUT |= pin;
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break;
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case GPIO_ITMode_FallEdge: // 下降沿触发
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R16_PB_INT_MODE |= pin;
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R32_PB_CLR |= pin;
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break;
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case GPIO_ITMode_RiseEdge: // 上升沿触发
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R16_PB_INT_MODE |= pin;
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R32_PB_OUT |= pin;
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break;
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default :
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break;
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}
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R16_PB_INT_IF = pin;
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R16_PB_INT_EN |= pin;
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}
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/*******************************************************************************
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* Function Name : GPIOPinRemap
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* Description : 外设功能引脚映射
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* Input : s:
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ENABLE - 引脚映射
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DISABLE - 默认引脚
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perph:
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RB_PIN_SPI0 - SPI0: PA12/PA13/PA14/PA15 -> PB12/PB13/PB14/PB15
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RB_PIN_UART3 - UART3: PA4/PA5 -> PB20/PB21
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RB_PIN_UART2 - UART2: PA6/PA7 -> PB22/PB23
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RB_PIN_UART1 - UART1: PA8/PA9 -> PB8/PB9
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RB_PIN_UART0 - UART0: PB4/PB7 -> PA15/PA14
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RB_PIN_TMR3 - TMR3: PA2 -> PB18
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RB_PIN_TMR2 - TMR2: PA11 -> PB11
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RB_PIN_TMR1 - TMR1: PA10 -> PB10
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RB_PIN_TMR0 - TMR0: PA3 -> PB19
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* Return : None
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*******************************************************************************/
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void GPIOPinRemap( UINT8 s, UINT16 perph )
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{
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if( s ) R16_PIN_ALTERNATE |= perph;
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else R16_PIN_ALTERNATE &= ~perph;
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}
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/*******************************************************************************
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* Function Name : GPIOAGPPCfg
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* Description : 模拟外设GPIO引脚功能控制
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* Input : s:
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ENABLE - 打开模拟外设功能，关闭数字功能
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DISABLE - 启用数字功能，关闭模拟外设功能
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perph:
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RB_PIN_ADC0_1_IE - ADC0-1通道
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RB_PIN_ADC2_3_IE - ADC2-3通道
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RB_PIN_ADC4_5_IE - ADC4-5通道
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RB_PIN_ADC6_7_IE - ADC6-7通道
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RB_PIN_ADC8_9_IE - ADC8-9通道
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RB_PIN_ADC10_11_IE - ADC10-11通道
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RB_PIN_ADC12_13_IE - ADC12-13通道
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RB_PIN_XT32K_IE - 外部32K引脚
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RB_PIN_USB_IE - USB功能信号引脚
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RB_PIN_ETH_IE - 以太网功能信号引脚
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RB_PIN_SEG0_3_IE - LCD控制器SEG0-3驱动引脚
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RB_PIN_SEG4_7_IE - LCD控制器SEG4-7驱动引脚
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RB_PIN_SEG8_11_IE - LCD控制器SEG8-11驱动引脚
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RB_PIN_SEG12_15_IE - LCD控制器SEG12-15驱动引脚
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RB_PIN_SEG16_19_IE - LCD控制器SEG16-19驱动引脚
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RB_PIN_SEG20_23_IE - LCD控制器SEG20-23驱动引脚
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* Return : None
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*******************************************************************************/
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void GPIOAGPPCfg( UINT8 s, UINT16 perph )
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{
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if( s ) R16_PIN_ANALOG_IE |= perph;
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else R16_PIN_ANALOG_IE &= ~perph;
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}
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