245 lines
6.5 KiB
C
245 lines
6.5 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : CH59x_gpio.c
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* Author : WCH
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* Version : V1.2
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* Date : 2021/11/17
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* Description
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "CH59x_common.h"
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/*********************************************************************
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* @fn GPIOA_ModeCfg
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*
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* @brief GPIOA端口引脚模式配置
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*
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* @param pin - PA4-PA15,对应芯片12个GPIO引脚
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* @param mode - 输入输出类型
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*
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* @return none
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*/
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void GPIOA_ModeCfg(uint32_t 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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* @fn GPIOB_ModeCfg
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*
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* @brief GPIOB端口引脚模式配置
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*
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* @param pin - PB0,PB4,PB6-PB7,PB10-PB15,PB22-PB23,对应芯片12个GPIO引脚
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* @param mode - 输入输出类型
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*
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* @return none
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*/
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void GPIOB_ModeCfg(uint32_t 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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* @fn GPIOA_ITModeCfg
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*
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* @brief GPIOA引脚中断模式配置
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*
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* @param pin - PA4-PA15,对应芯片12个GPIO引脚
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* @param mode - 触发类型
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*
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* @return none
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*/
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void GPIOA_ITModeCfg(uint32_t 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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* @fn GPIOB_ITModeCfg
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*
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* @brief GPIOB引脚中断模式配置
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*
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* @param pin - PB0,PB4,PB6-PB7,PB10-PB15,PB22-PB23,对应芯片12个GPIO引脚
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* @param mode - 触发类型
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*
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* @return none
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*/
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void GPIOB_ITModeCfg(uint32_t pin, GPIOITModeTpDef mode)
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{
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uint32_t Pin = pin | ((pin & (GPIO_Pin_22 | GPIO_Pin_23)) >> 14);
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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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* @fn GPIOPinRemap
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*
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* @brief 外设功能引脚映射
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*
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* @param s - 是否使能映射
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* @param perph - RB_RF_ANT_SW_EN - RF antenna switch control output on PA4/PA5/PA12/PA13/PA14/PA15
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* RB_PIN_MODEM - MODEM: PA6/PA7 -> PB12/PB13
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* RB_PIN_PWMX - PWMX: PA12/PA13 -> PA6/PA7
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* RB_PIN_SPI0 - SPI0: PA12/PA13/PA14/PA15 -> PB12/PB13/PB14/PB15
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* RB_PIN_UART2 - UART2: PB22/PB23 -> PA6/PA7
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* RB_PIN_UART1 - UART1: PA8/PA9 -> PB12/PB13
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* RB_PIN_UART0 - UART0: PB4/PB7 -> PA15/PA14
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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: PA9 -> PB23
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*
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* @return none
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*/
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void GPIOPinRemap(FunctionalState s, uint16_t perph)
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{
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if(s)
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{
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R16_PIN_ALTERNATE |= perph;
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}
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else
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{
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R16_PIN_ALTERNATE &= ~perph;
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}
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}
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/*********************************************************************
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* @fn GPIOAGPPCfg
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*
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* @brief 模拟外设GPIO引脚功能控制
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*
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* @param s - 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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* @param perph - RB_PIN_USB_DP_PU - USB UD+引脚内部上拉电阻
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* RB_PIN_USB_IE - USB 引脚
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*
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* @return none
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*/
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void GPIOAGPPCfg(FunctionalState s, uint16_t perph)
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{
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if(s)
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{
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R16_PIN_ANALOG_IE |= perph;
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}
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else
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{
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R16_PIN_ANALOG_IE &= ~perph;
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}
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}
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