/**
  **************************************************************************
  * @file     at32f421_scfg.h
  * @brief    at32f421 system config header file
  **************************************************************************
  *                       Copyright notice & Disclaimer
  *
  * The software Board Support Package (BSP) that is made available to
  * download from Artery official website is the copyrighted work of Artery.
  * Artery authorizes customers to use, copy, and distribute the BSP
  * software and its related documentation for the purpose of design and
  * development in conjunction with Artery microcontrollers. Use of the
  * software is governed by this copyright notice and the following disclaimer.
  *
  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
  *
  **************************************************************************
  */

/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F421_SCFG_H
#define __AT32F421_SCFG_H

#ifdef __cplusplus
extern "C" {
#endif


/* Includes ------------------------------------------------------------------*/
#include "at32f421.h"

/** @addtogroup AT32F421_periph_driver
  * @{
  */

/** @addtogroup SCFG
  * @{
  */

#define SCFG_REG(value)                  PERIPH_REG(SCFG_CMP_BASE, value)
#define SCFG_REG_BIT(value)              PERIPH_REG_BIT(value)

/** @defgroup SCFG_exported_types
  * @{
  */


/**
  * @brief scfg infrared modulation signal source selecting type
  */
typedef enum
{
  SCFG_IR_SOURCE_TMR16                   = 0x00, /* infrared signal source select tmr16 */
  SCFG_IR_SOURCE_USART1                  = 0x01, /* infrared signal source select usart1 */
  SCFG_IR_SOURCE_USART2                  = 0x02  /* infrared signal source select usart2 */
} scfg_ir_source_type;

/**
  * @brief scfg pa11 pa12 pin remap type
  */
typedef enum
{
  SCFG_PA11PA12_NO_REMAP                 = 0x00, /* pa11 pa12 pin no remap */
  SCFG_PA11PA12_TO_PA9PA10               = 0x01, /* pa11 pa12 pin remap pa9 pa10*/
} scfg_pa11pa12_remap_type;

/**
  * @brief scfg adc dma channel remap type
  */
typedef enum
{
  SCFG_ADC_TO_DMA_CHANNEL_1              = 0x00, /* adc config to dma channel 1 */
  SCFG_ADC_TO_DMA_CHANNEL_2              = 0x01, /* adc config to dma channel 2*/
} scfg_adc_dma_remap_type;

/**
  * @brief scfg usart1 tx dma channel remap type
  */
typedef enum
{
  SCFG_USART1_TX_TO_DMA_CHANNEL_2        = 0x00, /* usart1 tx config to dma channel 2 */
  SCFG_USART1_TX_TO_DMA_CHANNEL_4        = 0x01, /* usart1 tx config to dma channel 4 */
} scfg_usart1_tx_dma_remap_type;

/**
  * @brief scfg usart1 rx dma channel remap type
  */
typedef enum
{
  SCFG_USART1_RX_TO_DMA_CHANNEL_3        = 0x00, /* usart1 rx config to dma channel 3 */
  SCFG_USART1_RX_TO_DMA_CHANNEL_5        = 0x01, /* usart1 rx config to dma channel 5 */
} scfg_usart1_rx_dma_remap_type;

/**
  * @brief scfg tmr16 dma channel remap type
  */
typedef enum
{
  SCFG_TMR16_TO_DMA_CHANNEL_3            = 0x00, /* tmr16 config to dma channel 3 */
  SCFG_TMR16_TO_DMA_CHANNEL_4            = 0x01, /* tmr16 config to dma channel 4 */
} scfg_tmr16_dma_remap_type;

/**
  * @brief scfg tmr17 dma channel remap type
  */
typedef enum
{
  SCFG_TMR17_TO_DMA_CHANNEL_1            = 0x00, /* tmr17 config to dma channel 1 */
  SCFG_TMR17_TO_DMA_CHANNEL_2            = 0x01, /* tmr17 config to dma channel 2 */
} scfg_tmr17_dma_remap_type;

/**
  * @brief scfg infrared output polarity selecting type
  */
typedef enum
{
  SCFG_IR_POLARITY_NO_AFFECTE            = 0x00, /* infrared output polarity no affecte */
  SCFG_IR_POLARITY_REVERSE               = 0x01  /* infrared output polarity reverse */
} scfg_ir_polarity_type;

/**
  * @brief scfg memory address mapping selecting type
  */
typedef enum
{
  SCFG_MEM_MAP_MAIN_MEMORY               = 0x00, /* 0x00000000 address mapping from main memory */
  SCFG_MEM_MAP_BOOT_MEMORY               = 0x01, /* 0x00000000 address mapping from boot memory */
  SCFG_MEM_MAP_INTERNAL_SRAM             = 0x03, /* 0x00000000 address mapping from internal sram */
} scfg_mem_map_type;

/**
  * @brief scfg pin source type
  */
typedef enum
{
  SCFG_PINS_SOURCE0                      = 0x00,
  SCFG_PINS_SOURCE1                      = 0x01,
  SCFG_PINS_SOURCE2                      = 0x02,
  SCFG_PINS_SOURCE3                      = 0x03,
  SCFG_PINS_SOURCE4                      = 0x04,
  SCFG_PINS_SOURCE5                      = 0x05,
  SCFG_PINS_SOURCE6                      = 0x06,
  SCFG_PINS_SOURCE7                      = 0x07,
  SCFG_PINS_SOURCE8                      = 0x08,
  SCFG_PINS_SOURCE9                      = 0x09,
  SCFG_PINS_SOURCE10                     = 0x0A,
  SCFG_PINS_SOURCE11                     = 0x0B,
  SCFG_PINS_SOURCE12                     = 0x0C,
  SCFG_PINS_SOURCE13                     = 0x0D,
  SCFG_PINS_SOURCE14                     = 0x0E,
  SCFG_PINS_SOURCE15                     = 0x0F
} scfg_pins_source_type;

/**
  * @brief gpio port source type
  */
typedef enum
{
  SCFG_PORT_SOURCE_GPIOA                 = 0x00,
  SCFG_PORT_SOURCE_GPIOB                 = 0x01,
  SCFG_PORT_SOURCE_GPIOC                 = 0x02,
  SCFG_PORT_SOURCE_GPIOF                 = 0x05,

} scfg_port_source_type;

/**
  * @brief type define system config register all
  */
typedef struct
{
  /**
    * @brief scfg cfg1 register, offset:0x00
    */
  union
  {
    __IO uint32_t cfg1;
    struct
    {
      __IO uint32_t mem_map_sel          : 2; /* [1:0] */
      __IO uint32_t reserved1            : 2; /* [3:2] */
      __IO uint32_t pa11_12_rmp          : 1; /* [4] */
      __IO uint32_t ir_pol               : 1; /* [5] */
      __IO uint32_t ir_src_sel           : 2; /* [7:6] */
      __IO uint32_t adc_dma_rmp          : 1; /* [8] */
      __IO uint32_t usart1_tx_dma_rmp    : 1; /* [9] */
      __IO uint32_t usart1_rx_dma_rmp    : 1; /* [10] */
      __IO uint32_t tmr16_dma_rmp        : 1; /* [11] */
      __IO uint32_t tmr17_dma_rmp        : 1; /* [12] */
      __IO uint32_t reserved2            : 19;/* [31:13] */
    } cfg1_bit;
  };

  /**
    * @brief scfg reserved1 register, offset:0x04
    */
  __IO uint32_t reserved1;

  /**
    * @brief scfg exintc1 register, offset:0x08
    */
  union
  {
    __IO uint32_t exintc1;
    struct
    {
      __IO uint32_t exint0               : 4; /* [3:0] */
      __IO uint32_t exint1               : 4; /* [7:4] */
      __IO uint32_t exint2               : 4; /* [11:8] */
      __IO uint32_t exint3               : 4; /* [15:12] */
      __IO uint32_t reserved1            : 16;/* [31:16] */
    } exintc1_bit;
  };

  /**
    * @brief scfg exintc2 register, offset:0x0C
    */
  union
  {
    __IO uint32_t exintc2;
    struct
    {
      __IO uint32_t exint4               : 4; /* [3:0] */
      __IO uint32_t exint5               : 4; /* [7:4] */
      __IO uint32_t exint6               : 4; /* [11:8] */
      __IO uint32_t exint7               : 4; /* [15:12] */
      __IO uint32_t reserved1            : 16;/* [31:16] */
    } exintc2_bit;
  };

  /**
    * @brief scfg exintc3 register, offset:0x10
    */
  union
  {
    __IO uint32_t exintc3;
    struct
    {
      __IO uint32_t exint8               : 4; /* [3:0] */
      __IO uint32_t exint9               : 4; /* [7:4] */
      __IO uint32_t exint10              : 4; /* [11:8] */
      __IO uint32_t exint11              : 4; /* [15:12] */
      __IO uint32_t reserved1            : 16;/* [31:16] */
    } exintc3_bit;
  };

  /**
    * @brief scfg exintc4 register, offset:0x14
    */
  union
  {
    __IO uint32_t exintc4;
    struct
    {
      __IO uint32_t exint12              : 4; /* [3:0] */
      __IO uint32_t exint13              : 4; /* [7:4] */
      __IO uint32_t exint14              : 4; /* [11:8] */
      __IO uint32_t exint15              : 4; /* [15:12] */
      __IO uint32_t reserved1            : 16;/* [31:16] */
    } exintc4_bit;
  };

} scfg_type;

/**
  * @}
  */

#define SCFG                             ((scfg_type *) SCFG_CMP_BASE)

/** @defgroup SCFG_exported_functions
  * @{
  */

void scfg_reset(void);
void scfg_infrared_config(scfg_ir_source_type source, scfg_ir_polarity_type polarity);
uint8_t scfg_mem_map_get(void);
void scfg_pa11pa12_pin_remap(scfg_pa11pa12_remap_type pin_remap);
void scfg_adc_dma_channel_remap(scfg_adc_dma_remap_type dma_channel);
void scfg_usart1_tx_dma_channel_remap(scfg_usart1_tx_dma_remap_type dma_channel);
void scfg_usart1_rx_dma_channel_remap(scfg_usart1_rx_dma_remap_type dma_channel);
void scfg_tmr16_dma_channel_remap(scfg_tmr16_dma_remap_type dma_channel);
void scfg_tmr17_dma_channel_remap(scfg_tmr17_dma_remap_type dma_channel);
void scfg_exint_line_config(scfg_port_source_type port_source, scfg_pins_source_type pin_source);


/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif