/********************************** (C) COPYRIGHT ******************************* * File Name : CH57x_gpio.c * Author : WCH * Version : V1.0 * Date : 2018/12/15 * Description *******************************************************************************/ #include "CH57x_common.h" /******************************************************************************* * Function Name : GPIOA_ModeCfg * Description : GPIOA端口引脚模式配置 * Input : pin: PA0-PA15 GPIO_Pin_0 - GPIO_Pin_15 mode: GPIO_ModeIN_Floating - 浮空输入 GPIO_ModeIN_PU - 上拉输入 GPIO_ModeIN_PD - 下拉输入 GPIO_ModeOut_PP_5mA - 推挽输出最大5mA GPIO_ModeOut_PP_20mA - 推挽输出最大20mA * Return : None *******************************************************************************/ void GPIOA_ModeCfg( UINT32 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; } } /******************************************************************************* * Function Name : GPIOB_ModeCfg * Description : GPIOB端口引脚模式配置 * Input : pin: PB0-PB23 GPIO_Pin_0 - GPIO_Pin_23 mode: GPIO_ModeIN_Floating - 浮空输入 GPIO_ModeIN_PU - 上拉输入 GPIO_ModeIN_PD - 下拉输入 GPIO_ModeOut_PP_5mA - 推挽输出最大5mA GPIO_ModeOut_PP_20mA - 推挽输出最大20mA * Return : None *******************************************************************************/ void GPIOB_ModeCfg( UINT32 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; } } /******************************************************************************* * Function Name : GPIOA_ITModeCfg * Description : GPIOA引脚中断模式配置 * Input : pin: PA0-PA15 GPIO_Pin_0 - GPIO_Pin_15 mode: GPIO_ITMode_LowLevel - 低电平触发 GPIO_ITMode_HighLevel - 高电平触发 GPIO_ITMode_FallEdge - 下降沿触发 GPIO_ITMode_RiseEdge - 上升沿触发 * Return : None *******************************************************************************/ void GPIOA_ITModeCfg( UINT32 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; } /******************************************************************************* * Function Name : GPIOB_ITModeCfg * Description : GPIOB引脚中断模式配置 * Input : pin: PB0-PB15 GPIO_Pin_0 - GPIO_Pin_15 mode: GPIO_ITMode_LowLevel - 低电平触发 GPIO_ITMode_HighLevel - 高电平触发 GPIO_ITMode_FallEdge - 下降沿触发 GPIO_ITMode_RiseEdge - 上升沿触发 * Return : None *******************************************************************************/ void GPIOB_ITModeCfg( UINT32 pin, GPIOITModeTpDef mode ) { 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; } /******************************************************************************* * Function Name : GPIOPinRemap * Description : 外设功能引脚映射 * Input : s: ENABLE - 引脚映射 DISABLE - 默认引脚 perph: 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 -> PB8/PB9 RB_PIN_UART0 - UART0: PB4/PB7 -> PA15/PA14 RB_PIN_TMR3 - TMR3: PA2 -> PB18 RB_PIN_TMR2 - TMR2: PA11 -> PB11 RB_PIN_TMR1 - TMR1: PA10 -> PB10 RB_PIN_TMR0 - TMR0: PA3 -> PB19 * Return : None *******************************************************************************/ void GPIOPinRemap( UINT8 s, UINT16 perph ) { if( s ) R16_PIN_ALTERNATE |= perph; else R16_PIN_ALTERNATE &= ~perph; } /******************************************************************************* * Function Name : GPIOAGPPCfg * Description : 模拟外设GPIO引脚功能控制 * Input : 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 perph: RB_PIN_ADC0_1_IE - ADC0-1通道 RB_PIN_ADC2_3_IE - ADC2-3通道 RB_PIN_ADC4_5_IE - ADC4-5通道 RB_PIN_ADC6_7_IE - ADC6-7通道 RB_PIN_ADC8_9_IE - ADC8-9通道 RB_PIN_ADC10_11_IE - ADC10-11通道 RB_PIN_ADC12_13_IE - ADC12-13通道 RB_PIN_XT32K_IE - 外部32K引脚 RB_PIN_USB_IE - USB功能信号引脚 RB_PIN_ETH_IE - 以太网功能信号引脚 RB_PIN_SEG0_3_IE - LCD控制器SEG0-3驱动引脚 RB_PIN_SEG4_7_IE - LCD控制器SEG4-7驱动引脚 RB_PIN_SEG8_11_IE - LCD控制器SEG8-11驱动引脚 RB_PIN_SEG12_15_IE - LCD控制器SEG12-15驱动引脚 RB_PIN_SEG16_19_IE - LCD控制器SEG16-19驱动引脚 RB_PIN_SEG20_23_IE - LCD控制器SEG20-23驱动引脚 * Return : None *******************************************************************************/ void GPIOAGPPCfg( UINT8 s, UINT16 perph ) { if( s ) R16_PIN_ANALOG_IE |= perph; else R16_PIN_ANALOG_IE &= ~perph; }