/********************************** (C) COPYRIGHT *******************************
 * File Name          : CH59x_gpio.h
 * 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.
 *******************************************************************************/

#ifndef __CH59x_GPIO_H__
#define __CH59x_GPIO_H__

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief	GPIO_pins_define
 */
#define GPIO_Pin_0      (0x00000001) /*!< Pin 0 selected */
#define GPIO_Pin_1      (0x00000002) /*!< Pin 1 selected */
#define GPIO_Pin_2      (0x00000004) /*!< Pin 2 selected */
#define GPIO_Pin_3      (0x00000008) /*!< Pin 3 selected */
#define GPIO_Pin_4      (0x00000010) /*!< Pin 4 selected */
#define GPIO_Pin_5      (0x00000020) /*!< Pin 5 selected */
#define GPIO_Pin_6      (0x00000040) /*!< Pin 6 selected */
#define GPIO_Pin_7      (0x00000080) /*!< Pin 7 selected */
#define GPIO_Pin_8      (0x00000100) /*!< Pin 8 selected */
#define GPIO_Pin_9      (0x00000200) /*!< Pin 9 selected */
#define GPIO_Pin_10     (0x00000400) /*!< Pin 10 selected */
#define GPIO_Pin_11     (0x00000800) /*!< Pin 11 selected */
#define GPIO_Pin_12     (0x00001000) /*!< Pin 12 selected */
#define GPIO_Pin_13     (0x00002000) /*!< Pin 13 selected */
#define GPIO_Pin_14     (0x00004000) /*!< Pin 14 selected */
#define GPIO_Pin_15     (0x00008000) /*!< Pin 15 selected */
#define GPIO_Pin_16     (0x00010000) /*!< Pin 16 selected */
#define GPIO_Pin_17     (0x00020000) /*!< Pin 17 selected */
#define GPIO_Pin_18     (0x00040000) /*!< Pin 18 selected */
#define GPIO_Pin_19     (0x00080000) /*!< Pin 19 selected */
#define GPIO_Pin_20     (0x00100000) /*!< Pin 20 selected */
#define GPIO_Pin_21     (0x00200000) /*!< Pin 21 selected */
#define GPIO_Pin_22     (0x00400000) /*!< Pin 22 selected */
#define GPIO_Pin_23     (0x00800000) /*!< Pin 23 selected */
#define GPIO_Pin_All    (0xFFFFFFFF) /*!< All pins selected */

/**
 * @brief  Configuration GPIO Mode
 */
typedef enum
{
    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

} GPIOModeTypeDef;

/**
 * @brief  Configuration GPIO IT Mode
 */
typedef enum
{
    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

} GPIOITModeTpDef;

/**
 * @brief   GPIOA端口引脚模式配置
 *
 * @param   pin     - PA0-PA15
 * @param   mode    - 输入输出类型
 */
void GPIOA_ModeCfg(uint32_t pin, GPIOModeTypeDef mode);

/**
 * @brief   GPIOB端口引脚模式配置
 *
 * @param   pin     - PB0-PB23
 * @param   mode    - 输入输出类型
 */
void GPIOB_ModeCfg(uint32_t pin, GPIOModeTypeDef mode);

/**
 * @brief   GPIOA端口引脚输出置低
 *
 * @param   pin     - PA0-PA15
 */
#define GPIOA_ResetBits(pin)      (R32_PA_CLR |= pin)

/**
 * @brief   GPIOA端口引脚输出置高
 *
 * @param   pin     - PA0-PA15
 */
#define GPIOA_SetBits(pin)        (R32_PA_OUT |= pin)

/**
 * @brief   GPIOB端口引脚输出置低
 *
 * @param   pin     - PB0-PB23
 */
#define GPIOB_ResetBits(pin)      (R32_PB_CLR |= pin)

/**
 * @brief   GPIOB端口引脚输出置高
 *
 * @param   pin     - PB0-PB23
 */
#define GPIOB_SetBits(pin)        (R32_PB_OUT |= pin)

/**
 * @brief   GPIOA端口引脚输出电平翻转
 *
 * @param   pin     - PA0-PA15
 */
#define GPIOA_InverseBits(pin)    (R32_PA_OUT ^= pin)

/**
 * @brief   GPIOB端口引脚输出电平翻转
 *
 * @param   pin     - PB0-PB23
 */
#define GPIOB_InverseBits(pin)    (R32_PB_OUT ^= pin)

/**
 * @brief   GPIOA端口32位数据返回，低16位有效
 *
 * @return  GPIOA端口32位数据
 */
#define GPIOA_ReadPort()          (R32_PA_PIN)

/**
 * @brief   GPIOB端口32位数据返回，低24位有效
 *
 * @return  GPIOB端口32位数据
 */
#define GPIOB_ReadPort()          (R32_PB_PIN)

/**
 * @brief   GPIOA端口引脚状态，0-引脚低电平，(!0)-引脚高电平
 *
 * @param   pin     - PA0-PA15
 *
 * @return  GPIOA端口引脚状态
 */
#define GPIOA_ReadPortPin(pin)    (R32_PA_PIN & (pin))

/**
 * @brief   GPIOB端口引脚状态，0-引脚低电平，(!0)-引脚高电平
 *
 * @param   pin     - PB0-PB23
 *
 * @return  GPIOB端口引脚状态
 */
#define GPIOB_ReadPortPin(pin)    (R32_PB_PIN & (pin))

/**
 * @brief   GPIOA引脚中断模式配置
 *
 * @param   pin     - PA0-PA15
 * @param   mode    - 触发类型
 */
void GPIOA_ITModeCfg(uint32_t pin, GPIOITModeTpDef mode);

/**
 * @brief   GPIOB引脚中断模式配置
 *
 * @param   pin     - PB0-PB23
 * @param   mode    - 触发类型
 */
void GPIOB_ITModeCfg(uint32_t pin, GPIOITModeTpDef mode);

/**
 * @brief   读取GPIOA端口中断标志状态
 *
 * @return  GPIOA端口中断标志状态
 */
#define GPIOA_ReadITFlagPort()       (R16_PA_INT_IF)

/**
 * @brief   读取GPIOB端口中断标志状态
 *
 * @return  GPIOB端口中断标志状态
 */
#define GPIOB_ReadITFlagPort()       ((R16_PB_INT_IF & (~((GPIO_Pin_22 | GPIO_Pin_23) >> 14))) | ((R16_PB_INT_IF << 14) & (GPIO_Pin_22 | GPIO_Pin_23)))

/**
 * @brief   读取GPIOA端口引脚中断标志状态
 *
 * @param   pin     - PA0-PA15
 *
 * @return  GPIOA端口引脚中断标志状态
 */
#define GPIOA_ReadITFlagBit(pin)     (R16_PA_INT_IF & (pin))

/**
 * @brief   读取GPIOB端口引脚中断标志状态
 *
 * @param   pin     - PB0-PB23
 *
 * @return  GPIOB端口引脚中断标志状态
 */
#define GPIOB_ReadITFlagBit(pin)     (R16_PB_INT_IF & ((pin) | (((pin) & (GPIO_Pin_22 | GPIO_Pin_23)) >> 14)))

/**
 * @brief   清除GPIOA端口引脚中断标志状态
 *
 * @param   pin     - PA0-PA15
 */
#define GPIOA_ClearITFlagBit(pin)    (R16_PA_INT_IF = pin)

/**
 * @brief   清除GPIOB端口引脚中断标志状态
 *
 * @param   pin     - PB0-PB23
 */
#define GPIOB_ClearITFlagBit(pin)    (R16_PB_INT_IF = ((pin) | (((pin) & (GPIO_Pin_22 | GPIO_Pin_23)) >> 14)))

/**
 * @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
 */
void GPIOPinRemap(FunctionalState s, uint16_t perph);

/**
 * @brief   模拟外设GPIO引脚功能控制
 *
 * @param   s       - 是否启用模拟外设功能
 * @param   perph   - RB_PIN_USB_DP_PU  - USB UD+引脚内部上拉电阻
 *                    RB_PIN_USB_IE     - USB 引脚
 */
void GPIOAGPPCfg(FunctionalState s, uint16_t perph);

#ifdef __cplusplus
}
#endif

#endif // __CH59x_GPIO_H__
