/********************************** (C) COPYRIGHT ******************************* * File Name : CH59x_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 "CH59x_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 PA4/PA5/PA12/PA13/PA14/PA15 * 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: PA6/PA7 -> PB12/PB13 * RB_PIN_I2C - I2C: PB14/PB15 -> PB14/PB15 * RB_PIN_PWMX - PWMX: PA12/PA13 -> PA6/PA7 * RB_PIN_SPI0 - SPI0: PA12/PA13/PA14/PA15 -> PB12/PB13/PB14/PB15 * RB_PIN_UART3 - UART3: PA4/PA5 -> PA4/PA5 * RB_PIN_UART2 - UART2: PB22/PB23 -> PA6/PA7 * RB_PIN_UART1 - UART1: PA8/PA9 -> PB12/PB13 * RB_PIN_UART0 - UART0: PB4/PB7 -> PA15/PA14 * RB_PIN_TMR3 - TMR2: PB22 -> PB22 * 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; } }