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/********************************** (C) COPYRIGHT *******************************
* File Name : CH58x_gpio.c
* Author : WCH
* Version : V1.2
* Date : 2021/11/17
* Description
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "CH58x_common.h"
/*********************************************************************
* @fn GPIOA_ModeCfg
*
* @brief GPIOA端口引脚模式配置
*
* @param pin - PA0-PA15
* @param mode - 输入输出类型
*
* @return none
*/
void GPIOA_ModeCfg(uint32_t pin, GPIOModeTypeDef mode)
{
switch(mode)
{
case GPIO_ModeIN_Floating:
R32_PA_PD_DRV &= ~pin;
R32_PA_PU &= ~pin;
R32_PA_DIR &= ~pin;
break;
case GPIO_ModeIN_PU:
R32_PA_PD_DRV &= ~pin;
R32_PA_PU |= pin;
R32_PA_DIR &= ~pin;
break;
case GPIO_ModeIN_PD:
R32_PA_PD_DRV |= pin;
R32_PA_PU &= ~pin;
R32_PA_DIR &= ~pin;
break;
case GPIO_ModeOut_PP_5mA:
R32_PA_PD_DRV &= ~pin;
R32_PA_DIR |= pin;
break;
case GPIO_ModeOut_PP_20mA:
R32_PA_PD_DRV |= pin;
R32_PA_DIR |= pin;
break;
default:
break;
}
}
/*********************************************************************
* @fn GPIOB_ModeCfg
*
* @brief GPIOB端口引脚模式配置
*
* @param pin - PB0-PB23
* @param mode - 输入输出类型
*
* @return none
*/
void GPIOB_ModeCfg(uint32_t pin, GPIOModeTypeDef mode)
{
switch(mode)
{
case GPIO_ModeIN_Floating:
R32_PB_PD_DRV &= ~pin;
R32_PB_PU &= ~pin;
R32_PB_DIR &= ~pin;
break;
case GPIO_ModeIN_PU:
R32_PB_PD_DRV &= ~pin;
R32_PB_PU |= pin;
R32_PB_DIR &= ~pin;
break;
case GPIO_ModeIN_PD:
R32_PB_PD_DRV |= pin;
R32_PB_PU &= ~pin;
R32_PB_DIR &= ~pin;
break;
case GPIO_ModeOut_PP_5mA:
R32_PB_PD_DRV &= ~pin;
R32_PB_DIR |= pin;
break;
case GPIO_ModeOut_PP_20mA:
R32_PB_PD_DRV |= pin;
R32_PB_DIR |= pin;
break;
default:
break;
}
}
/*********************************************************************
* @fn GPIOA_ITModeCfg
*
* @brief GPIOA引脚中断模式配置
*
* @param pin - PA0-PA15
* @param mode - 触发类型
*
* @return none
*/
void GPIOA_ITModeCfg(uint32_t pin, GPIOITModeTpDef mode)
{
switch(mode)
{
case GPIO_ITMode_LowLevel: // 低电平触发
R16_PA_INT_MODE &= ~pin;
R32_PA_CLR |= pin;
break;
case GPIO_ITMode_HighLevel: // 高电平触发
R16_PA_INT_MODE &= ~pin;
R32_PA_OUT |= pin;
break;
case GPIO_ITMode_FallEdge: // 下降沿触发
R16_PA_INT_MODE |= pin;
R32_PA_CLR |= pin;
break;
case GPIO_ITMode_RiseEdge: // 上升沿触发
R16_PA_INT_MODE |= pin;
R32_PA_OUT |= pin;
break;
default:
break;
}
R16_PA_INT_IF = pin;
R16_PA_INT_EN |= pin;
}
/*********************************************************************
* @fn GPIOB_ITModeCfg
*
* @brief GPIOB引脚中断模式配置
*
* @param pin - PB0-PB23
* @param mode - 触发类型
*
* @return none
*/
void GPIOB_ITModeCfg(uint32_t pin, GPIOITModeTpDef mode)
{
uint32_t Pin = pin | ((pin & (GPIO_Pin_22 | GPIO_Pin_23)) >> 14);
switch(mode)
{
case GPIO_ITMode_LowLevel: // 低电平触发
R16_PB_INT_MODE &= ~Pin;
R32_PB_CLR |= pin;
break;
case GPIO_ITMode_HighLevel: // 高电平触发
R16_PB_INT_MODE &= ~Pin;
R32_PB_OUT |= pin;
break;
case GPIO_ITMode_FallEdge: // 下降沿触发
R16_PB_INT_MODE |= Pin;
R32_PB_CLR |= pin;
break;
case GPIO_ITMode_RiseEdge: // 上升沿触发
R16_PB_INT_MODE |= Pin;
R32_PB_OUT |= pin;
break;
default:
break;
}
R16_PB_INT_IF = Pin;
R16_PB_INT_EN |= Pin;
}
/*********************************************************************
* @fn GPIOPinRemap
*
* @brief 外设功能引脚映射
*
* @param s - 是否使能映射
* @param perph - RB_RF_ANT_SW_EN - RF antenna switch control output on PB16/PB17/PB18/PB19/PB20/PB21
* RB_PIN_U0_INV - RXD0/RXD0_/TXD0/TXD0_ invert input/output
* RB_PIN_INTX - INTX: INT24/INT25 PB8/PB9 -> INT24_/INT25_ PB22/PB23
* RB_PIN_MODEM - MODEM: PB1/PB5 -> PB14/PB15
* RB_PIN_I2C - I2C: PB13/PB12 -> PB21/PB20
* RB_PIN_PWMX - PWMX: PA12/PA13/PB4/PB6/PB7 -> PA6/PA7/PB1/PB2/PB3
* RB_PIN_SPI0 - SPI0: PA12/PA13/PA14/PA15 -> PB12/PB13/PB14/PB15
* RB_PIN_UART3 - UART3: PA4/PA5 -> PB20/PB21
* RB_PIN_UART2 - UART2: PA6/PA7 -> PB22/PB23
* RB_PIN_UART1 - UART1: PA8/PA9 -> PB12/PB13
* RB_PIN_UART0 - UART0: PB4/PB7 -> PA15/PA14
* RB_PIN_TMR3 - TMR2: PA9 -> PB23
* RB_PIN_TMR2 - TMR2: PA11 -> PB11
* RB_PIN_TMR1 - TMR1: PA10 -> PB10
* RB_PIN_TMR0 - TMR0: PA9 -> PB23
*
* @return none
*/
void GPIOPinRemap(FunctionalState s, uint16_t perph)
{
if(s)
{
R16_PIN_ALTERNATE |= perph;
}
else
{
R16_PIN_ALTERNATE &= ~perph;
}
}
/*********************************************************************
* @fn GPIOAGPPCfg
*
* @brief 模拟外设GPIO引脚功能控制
*
* @param s - ENABLE - 打开模拟外设功能，关闭数字功能
* DISABLE - 启用数字功能，关闭模拟外设功能
* @param perph - RB_PIN_ADC8_9_IE - ADC/TKEY 9/8通道
* RB_PIN_ADC6_7_IE - ADC/TKEY 7/6通道
* RB_PIN_ADC10_IE - ADC/TKEY 10通道
* RB_PIN_ADC11_IE - ADC/TKEY 11 通道
* RB_PIN_USB2_DP_PU - USB2 U2D+引脚内部上拉电阻
* RB_PIN_USB2_IE - USB2引脚
* RB_PIN_USB_DP_PU - USB UD+引脚内部上拉电阻
* RB_PIN_USB_IE - USB 引脚
* RB_PIN_ADC0_IE - ADC/TKEY 0 通道
* RB_PIN_ADC1_IE - ADC/TKEY 1 通道
* RB_PIN_ADC12_IE - ADC/TKEY 12 通道
* RB_PIN_ADC13_IE - ADC/TKEY 13 通道
* RB_PIN_XT32K_IE - 32KHz晶振LSE引脚
* RB_PIN_ADC2_3_IE - ADC/TKEY 2/3 通道
* RB_PIN_ADC4_5_IE - ADC/TKEY 4/5 通道
*
* @return none
*/
void GPIOAGPPCfg(FunctionalState s, uint16_t perph)
{
if(s)
{
R16_PIN_ANALOG_IE |= perph;
}
else
{
R16_PIN_ANALOG_IE &= ~perph;
}
}
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